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Advancements in design,surface modification,and spinal applications of biomedical metallic materials for bone repair 认领 引用
1
作者 Shiqiang Song Lizhu Tang +3 位作者 Longjian Huang Yuanli Luo Huiqing Yang Chengliang Yang 《Metals Advances》 SCIE EI CAS CSCD 2026年第4期49-65,共17页
Bone defect repair imposes stringent requirements on biomaterials,including mechanical compatibility,biocompatibility,osteoinduction/osteoconduction,and biodegradability.Biomedicalmetallic materials serve as core solu... Bone defect repair imposes stringent requirements on biomaterials,including mechanical compatibility,biocompatibility,osteoinduction/osteoconduction,and biodegradability.Biomedicalmetallic materials serve as core solutions for bone reconstruction due to their exceptional mechanical strength,particularly in high-loadbearing regions such as the spine.To address metallic surface bioinertness,various surface modification technologies are widely employed to significantly enhance osseointegration,antibacterial efficacy,and corrosion resistance through microano-structuring and bioactive coatings.3D printing enables customized fabrication of porous metallic implants,optimizing mechanical compatibility and imaging compatibility.In spinal applications,metallic materials are extensively utilized in internal fixation systems,interbody cages,artificial discs/vertebrae,correction systems,and tumor prostheses.Their design and modification directly impact fusion success rates,anti-subsidence capability,and long-term stability.Despite significant progress,challenges remain in degradation rate matching,long-term biosafety,multifunctional synergy,and stability in complex physiological environments.Future efforts should focus on smart materials,precision surface engineering,AI-assisted personalized design,and long-term clinical evaluation to advance metallic bone-repair materials toward superior performance. 展开更多
关键词 Biomedical metallic materials Bone repair Surface modification Spinal implants 3D printing Osseointegration
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A high-energy powder with excellent combustion reaction performance:Surface modification strategy of boron powder based on non-thermal plasma 认领 引用 被引量：1
2
作者 Kangkang Li Jianyong Xu +9 位作者 Xiaoting Lei Mengzhe Yang Jing Liu Luqi Guo Pengfei Cui Dihua Ouyang Chunpei Yu He Cheng Jiahai Ye Wenchao Zhang 《Defence Technology（防务技术）》 SCIE EI CAS CSCD 2026年第1期289-300,共12页
The presence of a surface oxide film(B2O3)on boron(B)particles significantly compromises their combustion efficiency and kinetic performance in fuel-rich solid propellants.This study proposes an innovative conti... The presence of a surface oxide film(B2O3)on boron(B)particles significantly compromises their combustion efficiency and kinetic performance in fuel-rich solid propellants.This study proposes an innovative continuous modification strategy combining non-thermal plasma(NTP)etching with fluorocarbon passivation.Characterization and kinetic analysis revealed that reactive plasma species—including atomic hydrogen(H),electronically excited molecular hydrogen(H2*),vibrationally excited molecular hydrogen(H2v),and hydrogen ions(H+)—dominate the reduction of B2O3through lowering the transition energy barrier and shifting the reaction spontaneity.Subsequent argon plasma fragmentation of C8F18generates fluorocarbon radicals that form conformal passivation coatings(thickness:7 nm)on purified boron surfaces.The modified boron particles exhibit 37.5℃lower exothermic peak temperature and 27.2%higher heat release(14.8 kJ/g vs.11.6 kJ/g)compared to untreated counterparts.Combustion diagnostics reveal 194%increase in maximum flame height(135.10 mm vs.46.03 mm)and 134%enhancement in flame propagation rate(4.44 cm/s vs.1.90 cm/s).This NTP-based surface engineering approach establishes a scalable pathway for developing highperformance boron-based energetic composites. 展开更多
关键词 Oxide film materials Surface modification Boron powder Non-thermal plasma Combustion performance
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Erratum to"Amine-reactive Polymer Platform for Engineering Surface Modification of Next-generation Sequencing Chips" 认领 引用
3
作者 Wei Tian Xin-Yuan Wang +4 位作者 Die-Wen Feng Xiang-Qian Li Yue-Kang Jin Hui Li Hao Liu 《Chinese Journal of Polymer Science》 SCIE EI CAS CSCD 2026年第1期314-314,I0019,共1页
We are sorry for the mistakes of Affiliation,"a State Key Laboratory of Advanced Fiber Materials,Center for Advanced Low-Dimension Materials,Donghua University,Shanghai 201620,China"should be replaced by&quo... We are sorry for the mistakes of Affiliation,"a State Key Laboratory of Advanced Fiber Materials,Center for Advanced Low-Dimension Materials,Donghua University,Shanghai 201620,China"should be replaced by"a State Key Laboratory of Advanced Fiber Materials,Center for Advanced Low-Dimension Materials,College of Materials Science and Engineering,Donghua University,Shanghai 201620,China".We apologized for the inconvenience caused by this error. 展开更多
关键词 erratum surface modification affiliation next generation sequencing chips reactive polymer platform advanced fiber materialscenter
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Recent Advancements in the Surface Modification of Additively Manufactured Metallic Bone Implants 认领 引用 被引量：5
4
作者 Jianhui Li Haitao Fan +4 位作者 Hui Li Licheng Hua Jianke Du Yong He Yuan Jin 《Additive Manufacturing Frontiers》 CSCD 2025年第1期97-124,共28页
Additive manufacturing(AM)has revolutionized the production of metal bone implants,enabling unprecedented levels of customization and functionality.Recent advancements in surface-modification technologies have been cr... Additive manufacturing(AM)has revolutionized the production of metal bone implants,enabling unprecedented levels of customization and functionality.Recent advancements in surface-modification technologies have been crucial in enhancing the performance and biocompatibility of implants.Through leveraging the versatility of AM techniques,particularly powder bed fusion,a range of metallic biomaterials,including stainless steel,titanium,and biodegradable alloys,can be utilized to fabricate implants tailored for craniofacial,trunk,and limb bone reconstructions.However,the potential of AM is contingent on addressing intrinsic defects that may hinder implant performance.Techniques such as sandblasting,chemical treatment,electropolishing,heat treatment,and laser technology effectively remove residual powder and improve the surface roughness of these implants.The development of functional coatings,applied via both dry and wet methods,represents a significant advancement in surface modification research.These coatings not only improve mechanical and biological interactions at the implant-bone interface but also facilitate controlled drug release and enhance antimicrobial properties.Addition-ally,micro-and nanoscale surface modifications using chemical and laser techniques can precisely sculpt implant surfaces to promote the desired cellular responses.This detailed exploration of surface engineering offers a wealth of opportunities for creating next-generation implants that are not only biocompatible but also bioactive,laying the foundation for more effective solutions in bone reconstruction. 展开更多
关键词 Surface modification Additive manufacturing Bone implants Defect mitigation Coatings Microstructures
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Effect of Silica Fiber and Its Composite Properties by SiB6/SiO2Mixed Surface Modification 认领 引用
5
作者 DING Jie DUAN Jinzhe +5 位作者 YAN Xizhuo SHI Minxian HUANG Zhixiong YAN Haibo WANG Qingke LI Kai 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS CSCD 2025年第2期325-329,共5页
Silica fibers were modified by a specific ratio of SiB6 mixed with silica sol through vacuum impregnation method.The modified fibers were then incorporated into a phenolic resin matrix to prepare fiber-reinforced resi... Silica fibers were modified by a specific ratio of SiB6 mixed with silica sol through vacuum impregnation method.The modified fibers were then incorporated into a phenolic resin matrix to prepare fiber-reinforced resin composites.The influences of the SiB6/SiO2mixed modification on silica fiber properties were analyzed through thermogravimetric analysis(TGA),differential scanning calorimetry(DSC),scanning electron microscopy(SEM),and X-ray diffraction(XRD),respectively.Additionally,the influence of the SiB6/SiO2mixed modification on the mechanical properties of phenolic resin matrix composites was evaluated through mechanical testing.The experimeatal results indicate that the SiB6/SiO2mixed surface modification shows significant improvement in strength at room temperature and high temperatures,and crystallization temperature of silica fiber increases.The SiB6/Silica sol co-modified silica fiber shows potential for future application in thermal protection and other high-temperature conditions. 展开更多
关键词 SiB_6 fiber surface modification silica sol crystallization silica fiber
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Molten salts assisted synthesis of single crystalline NCM811 with surface modification for high energy density lithium-ion batteries 认领 引用 被引量：3
6
作者 Bi-Fu Sheng Jun-Jie Lu +9 位作者 Zhe-Fei Sun Min-Feng Chen Min Xu Han-Rui Zhao Qing-Qing Zhou Chu-Yang Li Bin Wang Qiao-Bao Zhang Ji-Zhang Chen Xiang Han 《Rare Metals》 SCIE EI CAS CSCD 2025年第6期3749-3760,共12页
Single crystalline nickel rich Li[NixCoyMn1-x–y]O2(SCNCM)layered oxide cathodes show higher ionic conductivity and better structure integrity than polycrystalline NCM(PCNCM)cathodes by eliminating grain b... Single crystalline nickel rich Li[NixCoyMn1-x–y]O2(SCNCM)layered oxide cathodes show higher ionic conductivity and better structure integrity than polycrystalline NCM(PCNCM)cathodes by eliminating grain boundaries.However,it remains challenges in the controlled synthesis process and restricted cycling stability of SCNCM.Herein,take single crystalline nickel rich Li[Ni0.8Co0.1Mn0.1]O2(SC811)as an example,a dual molten salts(LiOH and Li2SO4)assisted secondary calcination method is proposed,for which LiOH salt improves primary crystal size and Li2SO4prevents the aggravation of NCM nanocrystals.To further reduce the interfacial side reactions,Mg-doping and B-coating surface modification was carried out,which effectively suppress anisotropic lattice changes and Li/Ni disorder.In addition,a thin and uniform H3BO3coating effectively prevents direct contact between the electrode and electrolyte,thus reducing harmful parasitic reactions.The single crystal structure engineering and surface modification strategy of oxide layered cathodes significantly improve the cycling stability of the modified SC811 cathode.For example,during a long-term cycling of 470 cycles,a high-capacity retention of 74.2%obtained at 1C rate.Our work provides a new strategy for engineering high energy nickel rich layered oxide NCM cathodes. 展开更多
关键词 Lithium-ion battery Nickel rich cathode Molten salts Surface modification
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Current status and perspectives on design,fabrication,surface modification,and clinical applications of biodegradable magnesium alloys 认领 引用 被引量：1
7
作者 Jianzeng Ren Zhou Jiang +3 位作者 Jianbing He Xiaoying Wang Weihong Jin Zhentao Yu 《Journal of Magnesium and Alloys》 SCIE EI CAS CSCD 2025年第8期3564-3595,共32页
Biodegradable metals have garnered considerable interest owing to their capacity for self-degradation following the repair of damaged tissues.This review commences with their historical development and clarifies the e... Biodegradable metals have garnered considerable interest owing to their capacity for self-degradation following the repair of damaged tissues.This review commences with their historical development and clarifies the essential prerequisites for their successful clinical translation.Subsequently,a detailed review of magnesium-based materials is presented from five critical areas of alloying,fabrication techniques,purification,surface modification,and structural design,systematically addressing their progress in biodegradation rate retardation,mechanical reinforcement,and biocompatibility enhancement.Furthermore,recent breakthroughs in vivo animal experiments and clinical translation of magnesium alloys are summarized.Finally,this review concludes with a critical assessment of the achievements and challenges encountered in the clinical application of these materials,and proposes practical strategies to address current limitations and guide future research perspectives. 展开更多
关键词 Magnesium-based biodegradable metals Alloying Fabrication techniques Purification Surface modification Structural design
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Effects of picosecond laser ablation and surface modification on the surface/interface characteristics and removal performance of 4H-SiC 认领 引用
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作者 Qixian Zhang Kangsen Li +3 位作者 Xiong Zhang Rui Gao Chi Fai Cheung Chunjin Wang 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2025年第31期199-216,共18页
Silicon carbide(SiC)is a highly valued material for power semiconductor devices due to its wide bandgap,high thermal conductivity,and high breakdown electric field.However,its high hardness,brittleness,and chemical st... Silicon carbide(SiC)is a highly valued material for power semiconductor devices due to its wide bandgap,high thermal conductivity,and high breakdown electric field.However,its high hardness,brittleness,and chemical stability present substantial challenges for efficient and high-quality processing.This study investigated the effects of picosecond laser surface scanning on 4H-SiC to enhance the material removal performance.The research focused on surface morphology,phase transitions,subsurface/interface characteristics,and material removal mechanisms under varying laser parameters.The results demonstrate that the laser thermal effect decomposes 4H-SiC into amorphous silicon(a-Si),disordered carbon,and graphite,forming a resolidified layer containing Si-O and Si-C-O oxides.Crystalline silicon(c-Si)is produced under high fluences or extensive irradiations.The variation in the resolidified layer thickness with changing laser parameters is revealed.A detailed laser-induced subsurface damage model is developed,encompassing a resolidified layer that includes the above decomposition and oxidation products,and a deformed layer formed primarily under laser-induced stress.The presence of the resolidified layer and the deformed layer leads to a decreased elastic recovery rate and an increased scratching depth,exceeding 2.5 times that of the unmodified condition.Enhanced material removal performance is mainly driven by the resolidified layer at low fluence and by the deformed layer at high fluence.When aligning the total of the ablation depth and the resolidified layer thickness with the subsurface damage depth in the original material,excellent polishing performance is achieved.These findings provide critical insights for understanding the phase evolution,subsurface damage mechanisms,and material removal behavior of 4H-SiC,offering valuable guidance for optimizing the laser surface modification parameters to achieve high-efficiency processing. 展开更多
关键词 Silicon carbide Laser surface modification Laser parameter Phase transition Subsurface damage Ultra-precision machining
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Physical Antibacterial Surface Modifications on Titanium-Based Implant Materials 认领 引用
9
作者 Zhang Zhe Liu Hui +2 位作者 Lin Manfeng Cai Zongyuan Zhao Dapeng 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2025年第1期84-93,共10页
Infections associated with titanium(Ti)-based implants present significant challenges in clinical treatments,especially when biofilms already form on the implant surface.Many antimicrobial agents,including antibiotics... Infections associated with titanium(Ti)-based implants present significant challenges in clinical treatments,especially when biofilms already form on the implant surface.Many antimicrobial agents,including antibiotics,metallic nanoparticles and antimicrobial peptides,have been extensively used to deal with Ti implant infections.However,these chemical approaches suffer from potential toxicity,antibiotic resistance and poor long-term antibacterial performance.Hence,physical antibacterial surfaces on Ti-based implants have attracted increasing attention.The antibacterial behavior of different surfaces on Ti-based biomaterials against various bacteria only by physical properties of the implants themselves(e.g.,nanotopography)or exogenous physical stimulus(e.g.,photocatalysis)was reviewed,as well as parameters influencing the physical antibacterial processes,such as size,shape and density of the surface nanotextures,and bacterial growth phases.Besides,mechanisms of different fabrication techniques for the physical antibacterial surfaces on Ti-based biomaterials were also summarized. 展开更多
关键词 physical antibacterial behavior surface modification titanium alloy implant material
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Amine-reactive Polymer Platform for Engineering Surface Modification of Next-generation Sequencing Chips 认领 引用
10
作者 Wei Tian Xin-Yuan Wang +4 位作者 Die-Wen Feng Xiang-Qian Li Yue-Kang Jin Hui Li Hao Liu 《Chinese Journal of Polymer Science》 SCIE EI CAS CSCD 2025年第11期2030-2041,I0010,共12页
In this study,an amine-reactive poly(pentafluorophenyl acrylate)(PPFPA)platform was developed for advanced surface engineering of next-generation sequencing(NGS)chips.Through post-polymerization modification,PPFPA was... In this study,an amine-reactive poly(pentafluorophenyl acrylate)(PPFPA)platform was developed for advanced surface engineering of next-generation sequencing(NGS)chips.Through post-polymerization modification,PPFPA was functionalized with dual moieties:azide groups for covalent immobilization of DBCO-modified DNA primers via click chemistry and tunable hydrophilic side chains to optimize biocompatibility and surface properties.Systematic screening revealed that hydrophobic azide carriers combined with neutral hydroxyl groups maximized the DNA immobilization efficacy,approaching the performance of commercial polyacrylamide-based polymers.The negatively charged carboxyl groups severely impede DNA primer attachment.Higher molecular weight derivatives further enhance the efficacy of DNA immobilization.In NGS validation,optimized surface modification polymers achieved robust surface density of clustered DNA and high sequencing accuracy,surpassing quality benchmarks and comparable to those of conventional analogs.This platform demonstrates significant potential for tailoring high-sensitivity surfaces for genomic applications,advancing clinical diagnostics,and personalized medicine. 展开更多
关键词 Next-generation sequencing Surface modification polymers Poly(pentafluorophenyl acrylate) DNA immobilization
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Surface modification of fabrics using dielectric barrier discharge plasma for improved antifouling performance 认领 引用
11
作者 Jian SHEN Fajun WANG +3 位作者 Wei WEI Jie MA Junjie WANG Liangliang LIN 《Plasma Science and Technology》 SCIE EI CSCD 2025年第1期7-16,共10页
Surface modification of fabrics is an effective way to endow them with antifouling properties while still maintaining their key advantages such as comfort,softness and stretchability.Herein,an atmospheric pressure die... Surface modification of fabrics is an effective way to endow them with antifouling properties while still maintaining their key advantages such as comfort,softness and stretchability.Herein,an atmospheric pressure dielectric barrier discharge(DBD)plasma method is demonstrated for the processing of silk fabrics using 1H,1H,2H,2H-perfluorodecyltriethoxysilane(PFDS)as the precursor.The results showed the successful grafting of PFDS groups onto the surface of silk fabrics without causing damage.Meanwhile,the gas temperature is rather low during the whole processing procedure,suggesting the non-equilibrium characteristics of DBD plasma.The influence on fabrics of the processing parameters(PFDS concentration,plasma treatment time and plasma discharge power)was systematically investigated.An optimum processing condition was determined to be a PFDS concentration of 8wt%,a plasma processing time of 40 s and a plasma power of 11.87 W.However,with prolonged plasma processing time or enhanced plasma power,the plasma-grafted PFDS films could be degraded.Further study revealed that plasma processing of silk fabrics with PFDS would lead to a change in their chemical composition and surface roughness.As a result,the surface energy of the fabrics was reduced,accompanied by improved water and oil repellency as well as enhanced antifouling performance.Besides,the plasma-grafted PFDS films also had good durability and stability.By extending the method to polyester and wool against different oil-/water-based stains,the DBD plasma surface modification technique demonstrated good versatility in improving the antifouling properties of fabrics.This work provides guidance for the surface modification of fabrics using DBD plasma to confer them with desirable functionalities. 展开更多
关键词 DBD plasma plasma surface modification silk fabrics water and oil repellency antifouling property
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Suppression of Ag dewetting and sinterability improvement of submicron Ag-coated Cu particles as fillers in sintering paste by surface modification with stearic acid 认领 引用
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作者 Yeongjung KIM Yong-Sung EOM +1 位作者 Kwang-Seong CHOI Jong-Hyun LEE 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2025年第6期2008-2020,共13页
Four types of submicron Ag-coated Cu particles with different Ag contents were prepared as sintering paste fillers,and the Ag contents of the particles were measured to be 10,20,30,and 40 wt.%.Four types of particles(... Four types of submicron Ag-coated Cu particles with different Ag contents were prepared as sintering paste fillers,and the Ag contents of the particles were measured to be 10,20,30,and 40 wt.%.Four types of particles(in order of increasing Ag content:A10,A20,A30,and A40)were surface-modified with stearic acid,to suppress the Ag shell dewetting and improve sinterability.The surface-modified particles were mixed with a polyol-based solvent to fabricate a resin-free paste.Subsequently,the pastes were screen-printed onto a slide glass and sintered at 250°C in a nitrogen atmosphere for 1-10 min to form an electrode.The electrical resistivity of the sintered film as a function of sintering time was measured using a four-point probe.All the four surface-modified Cu@Ag particles with different Ag contents exhibited decreased electrical resistivity.Particularly,the largest difference in values after and before the surface modification was observed for A40 with the highest Ag content;the electrical resistivities of the initial and surface-modified particles were 1.51×10-4 and 6.67×10-5Ω·cm,respectively,after sintering for 10 min.The findings of this study confirmed that the surface modification using stearic acid effectively suppressed the dewetting of the Ag shell and improved the sinterability of the submicron Cu@Ag particles. 展开更多
关键词 submicron Ag-coated Cu particle sintering dewetting surface modification stearic acid electrical resistivity
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Photocatalysis fundamentals and surface modification of TiO_2 nanomaterials 认领 引用 被引量：35
13
作者 温九清 李鑫 +3 位作者 刘威 方岳平 谢君 徐悦华 《Chinese Journal of Catalysis》 SCIE EI CAS CSCD 北大核心 2015年第12期2049-2070,共22页
As a green and sustainable technology,heterogeneous photocatalysis using semiconductors has received much attention during the past decades because of its potential to address energy and environmental problems. Among ... As a green and sustainable technology,heterogeneous photocatalysis using semiconductors has received much attention during the past decades because of its potential to address energy and environmental problems. Among various semiconductors,TiO2 has been regarded as the best and most widely investigated photocatalyst in the past 10 years. Based on the fundamentals of photocatalysis and surface chemistry of TiO2 nanomaterials,we herein summarize and discuss the achievements in the different surface modification strategies employed to date such as surface doping and sensitization,construction of surface heterojunctions,loading of nano-sized co-catalysts,increase in the accessible surface areas,and usage of surface F effects and exposure of highly reactive facets. Especially,the interesting synergistic effects of these different surface modification strategies deserve more attention in the near future. Studying these important advances in photocatalysis fundamentals,and surface chemistry and modification may offer new opportunities for designing highly efficient TiO2-based and non-TiO2-based photocatalysts for solar fuel production,environmental remediation,organic photosynthesis,and other related fields such as solar cell device fabrication,thermal catalysis,and separation and purification. 展开更多
关键词 Titanium oxide Surface chemistry Surface modification Surface fluorine-effects Co-catalyst
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Surface modification of calcium carbonate:A review of theories,methods and applications 认领 引用 被引量：28
14
作者 LI Chun-quan LIANG Chao +4 位作者 CHEN Zhen-ming DI Yong-hao ZHENG Shui-lin WEI Shi SUN Zhi-ming 《Journal of Central South University》 SCIE EI CAS CSCD 2021年第9期2589-2611,共23页
Calcium carbonate,which is widely employed as a filler added into the polymer matrix,has large numbers of applications owing to the excellent properties such as low cost,non-toxicity,high natural reserves and biocompa... Calcium carbonate,which is widely employed as a filler added into the polymer matrix,has large numbers of applications owing to the excellent properties such as low cost,non-toxicity,high natural reserves and biocompatibility.Nevertheless,in order to obtain the good filling effect,calcium carbonate needs to be surface modified by organic molecules so as to enhance the dispersion and compatibility within the composites.This review paper systematically introduces the theory,methods,and applications progress of calcium carbonate with surface modification.Additionally,the key factors that affect the properties of the composites as well as the current difficulties and challenges are highlighted.The current research progress and potential application prospects of calcium carbonate in the fields of plastics,rubber,paper,medicine and environmental protection are discussed as well.Generally,this review can provide valuable reference for the modification and comprehensive utilization of calcium carbonate. 展开更多
关键词 calcium carbonate surface modification polymer-based composite monolayer coating modification mechanism
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Surface modification of magnesium alloys using thermal and solid-state cold spray processes:Challenges and latest progresses 认领 引用 被引量：17
15
作者 Mohammadreza Daroonparvar Hamid Reza Bakhsheshi-Rad +8 位作者 Abbas Saberi Mahmood Razzaghi Ashish K Kasar Seeram Ramakrishna Pradeep L.Menezes Manoranjan Misra Ahmad Fauzi Ismail Safian Sharif Filippo Berto 《Journal of Magnesium and Alloys》 SCIE EI CAS CSCD 2022年第8期2025-2061,共37页
Potential engineering applications of magnesium(Mg)and Mg-based alloys,as the lightest structural metal,have made them a popular subject of study.However,the inferior corrosion and wear characteristics significantly l... Potential engineering applications of magnesium(Mg)and Mg-based alloys,as the lightest structural metal,have made them a popular subject of study.However,the inferior corrosion and wear characteristics significantly limit their application range.It is widely recognized that surface treatment is the most commonly utilized technique for remarkably improving a substrate’s surface characteristics.Numerous methods have been introduced for the surface treatment of Mg and Mg-based alloys to improve their corrosion behavior and tribological performance.Among these,thermal spray(TS)technology provides several methods for deposition of various functional metallic,ceramic,cermet,or other coatings tailored to particular conditions.Recent researches have shown the tremendous potential for thermal spray coated Mg alloys for biomedical and industrial applications.In this context,the cold spray(CS)method,as a comparatively new TS coating technique,can generate the coating layer using kinetic energy rather than combined thermal and kinetic energies,like the high-velocity oxy-fuel(HVOF)spray method.Moreover,the CS process,as a revolutionary method,is able to repair and refurbish with a faster turnaround time;it also provides solutions that do not require dealing with the thermal stresses that are part of the other repair processes,such as welding or other TS processes using a high-temperature flame.In this review paper,the recently designed coatings that are specifically applied to Mg alloys(primarily for industrial applications)employing various coating processes are reviewed.Because of the increased utilization of CS technology for both 3D printed(additively manufactured)coatings and repair of structurally critical components,the most recent CS methods for the surface treatment,repair,and refurbishment of Mg alloys as well as their benefits and restrictions are then discussed and reviewed in detail.Lastly,the prospects of this field of study are briefly discussed,along with a summary of the presented work. 展开更多
关键词 Mg-based alloys Surface modification Thermal and cold spray processes Corrosion behavior Wear resistance
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Different surface modification methods and coating materials of zinc metal anode 认领 引用 被引量：18
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作者 Feng Tao Yong Liu +6 位作者 Xinyuan Ren Jing Wang Yazhou Zhou Yingjie Miao Fengzhang Ren Shizhong Wei Jianmin Ma 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2022年第3期397-412,I0011,共16页
Rechargeable aqueous Zn-ion batteries(AZIBs)are one of the most promising energy storage devices for large-scale energy storage owing to their high specific capacity,eco-friendliness,low cost and high safety.Neverthel... Rechargeable aqueous Zn-ion batteries(AZIBs)are one of the most promising energy storage devices for large-scale energy storage owing to their high specific capacity,eco-friendliness,low cost and high safety.Nevertheless,zinc metal anodes suffer from severe dendrite growth and side reactions,resulting in the inferior electrochemical performance of AZIBs.To address these problems,surface modification of zinc metal anodes is a facile and effective method to regulate the interaction between the zinc anode and an electrolyte.In this review,the current challenges and strategies for zinc metal anodes are presented.Furthermore,recent advances in surface modification strategies to improve their electrochemical performance are concluded and discussed.Finally,challenges and prospects for future development of zinc metal anodes are proposed.We hope this review will be useful for designing and fabricating highperformance AZIBs and boosting their practical applications. 展开更多
关键词 Zn-ion batteries Zinc metal anode Surface modification Solvent casting method Wet chemistry method
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Surface Modification of Fly Ashes with Carbide Slag and Its Effect on Compressive Strength and Autogenous Shrinkage of Blended Cement Pastes 认领 引用 被引量：18
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作者 郝成伟 邓敏 +1 位作者 MO Liwu LIU Kaiwei 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2012年第6期1149-1153,共5页
Surfaces of grade III fly ashes were modified through mixing with carbide slag and calcining at 850 ℃ for 1 h. Mineralogical compositions and surface morphology of fly ashes before and after modification were charact... Surfaces of grade III fly ashes were modified through mixing with carbide slag and calcining at 850 ℃ for 1 h. Mineralogical compositions and surface morphology of fly ashes before and after modification were characterized by X-ray diffraction （XRD） and scanning electron microscopy （SEM）, respectively. Effect of surface-modified fly ashes on compressive strength and autogenous shrinkage of blended cement pastes was investigated. Microstructures of cement pastes were examined by backscattered electron （BSE） imaging and mercury intrusion porosimetry （MIP）. The experimental results showed that β-C2S was formed on the surfaces of fly ashes after modification. Hydration ofβ-C2S on the surface-modified fly ashes densified interface zone and enhanced bond strength between particles of fly ashes and hydrated clinkers. In addition, surface modification of fly ashes tended to decrease total porosity and 10-50 nm pores of cement pastes. Surface modification of fly ashes increased compressive strength and reduced autogenous shrinkage of cement pastes. 展开更多
关键词 surface modification fly ash carbide slag autogenous shrinkage compressive strength
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Investigations on femtosecond laser-induced surface modification and periodic micropatterning with anti-friction properties on Ti6Al4V titanium alloy 认领 引用 被引量：11
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作者 Xinlei PAN Weifeng HE +4 位作者 Zhenbing CAI Xuede WANG Ping LIU Sihai LUO Liucheng ZHOU 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2022年第4期521-537,共17页
Titanium alloys have a wide application in aerospace industries as it has greater strength and low density, but it has poor tribological properties. To improve its friction and wear performance, in present work, a fem... Titanium alloys have a wide application in aerospace industries as it has greater strength and low density, but it has poor tribological properties. To improve its friction and wear performance, in present work, a femtosecond laser is used to directly irradiate the Ti6Al4V titanium alloy surface in air conditioning, which results in localized ablation and the formation of periodic microstructures but also a strong pressure wave, propagating the material inside. Through the optimization of processing parameters, surface modification and periodic micropatterning with effective anti-friction properties were successfully induced on the surface. After a treatment of femtosecond laser-induced surface modification(FsLSM), the surface microhardness was improved by 16.6% and compressive residual stress reached-746 MPa. Besides, laser-induced periodic surface structures(LIPSS) with a titanium oxide outer coating were fabricated uniformly on the titanium alloy surface. Rotary ball-on-disk wear experiments revealed that the average coefficient of friction(COF) and wear mass loss of the specimen with Fs LSM treatment were largely reduced by 68.9% and 90% as compared to that of untreated specimens, respectively. It was analyzed that the reason for the remarkable wear resistance was attributed to the comprehensive action of the generation of LIPSS, the titanium oxide outer coating, high amplitude compressive residual stress and gradient grain size distribution on the subsurface during the laser surface treatment. Since the findings here are broadly applicable to a wide spectrum of engineering metals and alloys, the present results offer unique pathways to enhancing the tribological performance of materials. 展开更多
关键词 Femtosecond laser-induced surface modification Laser-induced periodic surface structures Microstructure Titanium alloys Tribological performance
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Enhanced sulfidization flotation of cuprite by surface modification with hydrogen peroxide 认领 引用 被引量：13
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作者 Guang HAN Shu-ming WEN +1 位作者 Han WANG Qi-cheng FENG 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2021年第11期3564-3578,共15页
Hydrogen peroxide was used as an oxidant to modify the cuprite surface and enhance its sulfidization.Surface-adsorption and infrared spectroscopy measurements indicated that the modification of the cuprite surface wit... Hydrogen peroxide was used as an oxidant to modify the cuprite surface and enhance its sulfidization.Surface-adsorption and infrared spectroscopy measurements indicated that the modification of the cuprite surface with hydrogen peroxide before sulfidization increased the adsorption capacity of xanthate.Zeta potential,scanning electron microscopy-energy dispersive X-ray spectroscopy,X-ray photoelectron spectroscopy,and time-of-flight secondary ion mass spectrometry results showed that the modification with hydrogen peroxide increased the contents of S2−and Sn2−species on the cuprite surface.Microflotation tests showed that the recovery of cuprite increased from 61.74%to 83.30%after the modification of the surface with hydrogen peroxide.These results confirm that the modification of the cuprite surface with hydrogen peroxide enhances the sulfidization of cuprite,which in turn improves its flotation. 展开更多
关键词 cuprite flotation hydrogen peroxide surface modification sulfidization
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Recent Advances in Structural Optimization and Surface Modification on Current Collectors for High‑Performance Zinc Anode:Principles,Strategies,and Challenges 认领 引用 被引量：12
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作者 Yuxin Gong Bo Wang +4 位作者 Huaizheng Ren Deyu Li Dianlong Wang Huakun Liu Shixue Dou 《Nano-Micro Letters》 SCIE EI CAS CSCD 2023年第11期317-348,共32页
The last several years have witnessed the prosperous development of zinc-ion batteries(ZIBs),which are considered as a promising competitor of energy storage systems thanks to their low cost and high safety.However,th... The last several years have witnessed the prosperous development of zinc-ion batteries(ZIBs),which are considered as a promising competitor of energy storage systems thanks to their low cost and high safety.However,the reversibility and availability of this system are blighted by problems such as uncontrollable dendritic growth,hydrogen evolution,and corrosion passivation on anode side.A functionally and structurally well-designed anode current collectors(CCs)is believed as a viable solution for those problems,with a lack of summarization according to its working mechanisms.Herein,this review focuses on the challenges of zinc anode and the mechanisms of modified anode CCs,which can be divided into zincophilic modification,structural design,and steering the preferred crystal facet orientation.The possible prospects and directions on zinc anode research and design are proposed at the end to hopefully promote the practical application of ZIBs. 展开更多
关键词 Zinc anodes Current collectors Surface modification Structural design Crystal facet orientation
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