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Effect of Substrate Micro-arc Oxidation Pretreatment on Microstructure and High-Temperature Oxidation Resistance of Si-Cr-Ti-Zr Coating on Ta12W Alloy 认领 引用 被引量：1
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作者 Yang Fan Chang Jianxiu +2 位作者 Wang Xin Li Hongzhan Yan Peng 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2026年第1期92-104,共13页
To mitigate the impact of interdiffusion reactions between the silicide slurry and Ta12W alloy substrate during vacuum sintering process on the oxidation resistance of the silicide coating,a micro-arc oxidation pretre... To mitigate the impact of interdiffusion reactions between the silicide slurry and Ta12W alloy substrate during vacuum sintering process on the oxidation resistance of the silicide coating,a micro-arc oxidation pretreatment was employed to construct a Ta2O5ceramic layer on the Ta12W alloy surface.Subsequently,a slurry spraying-vacuum sintering method was used to prepare a Si-Cr-Ti-Zr coating on the pretreated substrate.Comparative studies were conducted on the microstructure,phase composition,and isothermal oxidation resistance(at 1600℃)of the as-prepared coatings with and without the micro-arc oxidation ceramic layer.The results show that the Ta2O5layer prepared at 400 V is more continuous and has smaller pores than that prepared at 350 V.After microarc oxidation pretreatment,the Si-Cr-Ti-Zr coating on Ta12W alloy consists of three distinct layers:an upper layer dominated by Ti5Si3,Ta5Si3,and ZrSi;a middle layer dominated by TaSi2;a coating/substrate interfacial reaction layer dominated by Ta5Si3.Both the Si-Cr-Ti-Zr coatings with and without the Ta2O5ceramic layer do not fail after isothermal oxidation at 1600℃for 5 h.Notably,the addition of the Ta2O5 ceramic layer reduces the high-temperature oxidation rate of the coating. 展开更多
关键词 tantalum-tungsten alloy silicide coating micro-arc oxidation reaction formation mechanism high-temperature oxidation
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High-temperature oxidation resistance of TiB2coatings on molybdenum produced by molten salt electrophoretic deposition 认领 引用
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作者 Qian Kou Chuntao Ge +6 位作者 Yanlu Zhou Wenjuan Qi Junjie Xu Weiliang Jin Jun Zhang Hongmin Zhu Saijun Xiao 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2026年第1期282-291,共10页
TiB2coatings can significantly enhance the high-temperature oxidation resistance of molybdenum,which would broaden the application range of molybdenum and alloys thereof.However,traditional methods for preparing Ti... TiB2coatings can significantly enhance the high-temperature oxidation resistance of molybdenum,which would broaden the application range of molybdenum and alloys thereof.However,traditional methods for preparing TiB2coatings have disadvantages such as high equipment costs,complicated processes,and highly toxic gas emissions.This paper proposes an environmentally friendly method,which requires inexpensive equipment and simple processing,for preparing TiB2coating on molybdenum via electrophoretic deposition within Na3AlF6-based molten salts.The produced TiB2layer had an approximate thickness of 60μm and exhibited high density,outstanding hardness(38.2 GPa)and robust adhesion strength(51 N).Additionally,high-temperature oxidation experiments revealed that,at900℃,the TiB2coating provided effective protection to the molybdenum substrate against oxidation for 3 h.This result indicates that the TiB2coating prepared on molybdenum using molten salt electrophoretic deposition possesses good high-temperature oxidation resistance. 展开更多
关键词 molten salt electrophoretic deposition molybdenum TiB2coating high-temperature oxidation resistance
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Recent advances in high-temperature oxidation behavior and underlying mechanisms of Mg-RE alloys:A comprehensive review 认领 引用
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作者 Yu Ma Yu Cao +4 位作者 Yulian Kuang Yajun Wang Yuhao Gong Bin Jiang Jonghyun Kim 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2026年第2期446-466,共21页
The limited high-temperature oxidation resistance of Mg alloys is a key factor restricting their development and application.The addition of some rare earth elements(REs),owing to their unique physical and chemical pr... The limited high-temperature oxidation resistance of Mg alloys is a key factor restricting their development and application.The addition of some rare earth elements(REs),owing to their unique physical and chemical properties,can significantly enhance the oxidation resistance of Mg alloys.Based on our previous study,we conclude that REs such as Gd,Y,and Ce enhance the oxidation resistance of Mg-RE alloys.This article comprehensively reviews recent research progress on high-temperature oxidation behavior and the potential mechanism in Mg-RE alloys.Based on the thermodynamic and kinetic analyses,the evolution of the complex oxide system formed during the high-temperature oxidation of Mg-RE alloys is first summarized.The diffusion behavior and concentration control mechanisms of REs during the oxidation process and how these mechanisms affect the sustained growth of the oxide film and antioxidant properties were elucidated.Moreover,the different structures of the oxide films were classified,and their properties were discussed.Finally,this paper introduces the applications of commonly used REs in Mg alloys and frontier research on their oxidation mechanisms.Based on the above review,we propose that future research perspectives can be explored in terms of expanding the experimental temperature range for oxidation tests,optimizing the chemical composition by adding trace REs to study their synergistic mechanism,revealing the underlying oxidation mechanism through advanced in situ microscopic characterization methods,and investigating the mechanical properties of oxide films using diverse approaches. 展开更多
关键词 magnesium-rare earth element alloy high-temperature oxidation thermodynamics oxidation resistance oxide films
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Thermal deformation behavior of high-temperature oxidation products of medium manganese steel 认领 引用
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作者 Guang-Ming Cao Heng-Xiang Yu +3 位作者 Xian-Jin Sun Qing-Long Li Chen-Yang Wang Cheng-Gang Li 《Journal of Iron and Steel Research International》 SCIE EI CSCD 2026年第3期323-336,共14页
The high-temperature compressive deformation behavior of medium manganese steel using a four-roll reversible rolling mill is investigated,revealing the effects of different Mn contents on the thermal deformation behav... The high-temperature compressive deformation behavior of medium manganese steel using a four-roll reversible rolling mill is investigated,revealing the effects of different Mn contents on the thermal deformation behavior of oxidation products in the alloy.It is found that within the experimental temperature range,the higher the deformation temperature,the better the plasticity of the oxidation products.It was observed that increasing the Mn content refines the grains,enhances the deformation ability of the oxidation products,and improves the flatness of the interfaces.Since(Fe,Mn)O has a similar crystal structure to FeO,the addition of Mn refines the grains of(Fe,Mn)O,causing the deformation to be distributed across more grains under the same deformation amount,and thereby improving its plasticity.At the interface between Fe-Mn alloy oxidation products and the matrix,there exists a spinel-phase solid solution,which can deform together with the oxidation products and the matrix at high temperatures.It was found that with increasing the Mn content,the size and number of pores between the spinel phases increased.First-principles simulation calculations were used to verify this,showing that Mn promotes the generation of vacancies.The greater number of pores in the spinel phase can effectively relieve the compressive stress caused by rolling deformation,thereby improving the deformation capability of the oxidation products at the interface. 展开更多
关键词 Medium-manganese steel Oxidation product Thermal deformation First-principle Interface flatness
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Research Status and Prospects of Platinum Group Metal Coatings with High-Temperature Oxidation Resistance 认领 引用
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作者 Ding Chenxi Liu Zhongyu +3 位作者 Fang Zhen Wang Haoxu Lv Biao Hu Zhenfeng 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2026年第2期333-344,共12页
Platinum group metals have high melting points,strong corrosion resistance,stable chemical properties,and low oxygen permeability in high-temperature oxygen-containing environments.As thermal protective coating materi... Platinum group metals have high melting points,strong corrosion resistance,stable chemical properties,and low oxygen permeability in high-temperature oxygen-containing environments.As thermal protective coating materials,they have gained essential applications in the aerospace field and have excellent prospects for application in frontier military fields,such as protecting hot-end components of hypersonic aircraft.This research reviewed the latest research progress of platinum group metal coatings with hightemperature oxidation resistance,including coating preparation techniques,oxidation failure,and alloying modification.The leading preparation techniques of current platinum group metal coatings were discussed,as well as the advantages and disadvantages of various existing preparation techniques.Besides,the intrinsic properties,failure forms,and failure mechanisms of coatings of single platinum group metal in high-temperature oxygen-containing environments were analyzed.On this basis,the necessity,main methods,and main achievements of alloying modification of platinum group metals were summarized.Finally,the future development of platinum group coatings with high-temperature oxidation resistance was discussed and prospected. 展开更多
关键词 platinum group metal coatings preparation technique high temperature oxidation resistance alloying modification
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Preparation and High-Temperature Oxidation Performance of TiC-NiCr Cermet 认领 引用
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作者 Zhang Lei Huang Bensheng +4 位作者 Xie Chuandi Chen Gen Du Jiao Sun Haishen Zuo Hanyang 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2025年第5期1194-1206,共13页
Powder metallurgy was used to fabricate TiC-NiCr cermets and the oxidation behavior at 900℃ was investigated.Results reveal that TiC-NiCr cermets have uniform structures with excellent mechanical properties,whose har... Powder metallurgy was used to fabricate TiC-NiCr cermets and the oxidation behavior at 900℃ was investigated.Results reveal that TiC-NiCr cermets have uniform structures with excellent mechanical properties,whose hardness is 65 HRC and flexural strength is 1450 MPa.The high-temperature oxidation mechanism of TiC-based cermets was investigated through an X-ray diffractometer and scanning electron microscope.The added elements Ni and Cr along with their solid solutions not only bond with the hard phase TiC to ensure the physical performance of the cermet,but also impede the internal diffusion during oxidation by forming a dense composite oxide layer,thereby enhancing the oxidation resistance.The TiC-NiCr cermet exhibits a dense protective oxide layer at 900℃ and can endure continuous oxidation for approximately 1000 h.A methodology for fabricating TiC-NiCr metal matrix composites is proposed,and their oxidation resistance is evaluated,providing a theoretical and practical basis for simultaneously enhancing the mechanical properties and oxidation resistance and reducing production costs. 展开更多
关键词 TiC-NiCr microstructure high-temperature oxidation thermodynamics and kinetics
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Microstructure and High-Temperature Oxidation Resistance of Cr-Al-Y Co-deposition Coating on TiAlNb9 Alloy Surface 认领 引用
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作者 Hao Qingrui Li Yongquan +1 位作者 Li Ning Gao Yang 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2025年第11期2739-2748,共10页
To improve the high-temperature oxidation resistance of TiAlNb9 alloy,a Cr-Al-Y co-deposition coating was prepared on the alloy surface by the pack cementation method.The microstructure of the coating was analyzed by ... To improve the high-temperature oxidation resistance of TiAlNb9 alloy,a Cr-Al-Y co-deposition coating was prepared on the alloy surface by the pack cementation method.The microstructure of the coating was analyzed by scanning electron microscope,energy dispersive spectrometer,and X-ray diffractometer,and the high-temperature oxidation properties of the substrate and coating at 1273 K were compared and studied.The results show that the Cr-Al-Y coating is about 30μm in thickness,and it has a dense structure and good film-substrate bonding.The coating includes an outer layer composed of TiCr2,TiCr,Ti4Cr,and(Ti,Nb)Cr4 phases as well as an inner layer composed of Ti2Al,and Nb-richγ-TiAl interdiffusion zone.The TiAlNb9 substrate forms an oxide layer composed of TiO2 and Al2O3 at 1273 K.Due to its loose and porous structure,TiO2 oxide film cannot effectively isolate the internal diffusion of element O,resulting in continuous oxidation damage to the substrate.The Cr-Al-Y co-deposition coating forms a dense Cr2O3 and Al2O3 oxide layer during oxidation,effectively preventing the internal diffusion of element O and significantly improving the high-temperature oxidation resistance of the substrate alloy. 展开更多
关键词 pack cementation TiAlNb9 alloy Cr-Al-Y co-deposition coating high-temperature oxidation resistance
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High-Temperature Oxidation Property and Corrosion and Wear Resistance of Laser Cladding Co-based Coatings on Pure Zr Surface 认领 引用 被引量：2
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作者 Xia Chaoqun Yang Bo +3 位作者 Liu Shuguang Zhang Bo Zhong Hua Li Qiang 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2025年第6期1397-1409,共13页
Co-based alloy coating was prepared on Zr alloy using laser melting and cladding technique to study the difference in the high-temperature oxidation behavior between pure metal Co coatings and Co-T800 alloy coatings,a... Co-based alloy coating was prepared on Zr alloy using laser melting and cladding technique to study the difference in the high-temperature oxidation behavior between pure metal Co coatings and Co-T800 alloy coatings,as well as the wear resistance of the coatings.Besides,the effect of changing the laser melting process on the coatings was also investigated.The oxidation mass gain at 800–1200℃and the high-temperature oxidation behavior during high-temperature treatment for 1 h of two coated Zr alloy samples were studied.Results show that the Co coating and the Co-T800 coating have better resistance against high-temperature oxidation.After oxidizing at 1000℃for 1 h,the thickness of the oxide layer of the uncoated sample was 241.0μm,whereas that of the sample with Co-based coating is only 11.8–35.5μm.The friction wear test shows that the depth of the abrasion mark of the coated sample is only 1/2 of that of the substrate,indicating that the hardness and wear resistance of the Zr substrate are greatly improved.The disadvantage of Co-based coatings is the inferior corrosion resistance in 3.5wt%NaCl solution. 展开更多
关键词 Zr metal laser cladding Co-based coating high-temperature oxidation resistance wear resistance
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Effect of Aluminizing and Laser Shock Peening Treatments on the High-Temperature Oxidation Resistance of AISI 321 Stainless Steel for Solar Thermal Power Heat Exchanger 认领 引用
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作者 Wei Li Wenyang Qin +12 位作者 Dapeng Jiang Guowei Bo Song Ni Hui Chen Yilin Zhao Weiying Huang Xulong Peng Jianjun He Yanjie Ren Cong Li Libo Zhou Shengde Zhang Jian Chen 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2025年第2期193-214,共22页
The high-temperature oxidation resistance of AISI 321 stainless steel used in solar thermal power heat exchangers determines its service life.In this study,aluminizing and subsequent laser shock peening(LSP)treatments... The high-temperature oxidation resistance of AISI 321 stainless steel used in solar thermal power heat exchangers determines its service life.In this study,aluminizing and subsequent laser shock peening(LSP)treatments were employed to improve the high-temperature oxidation resistance of AISI 321 stainless steel at 620°C.These two treatments decreased the oxidation rate of AISI 321 steel.Specifically,the optimal oxidation resistance was observed in aluminized steel before oxidation for 144 h owing to the increased entropy of the LSP-treated specimen.After 144 h,LSP-treated steel achieved the best oxidation resistance because of the formation of a protectiveα-Al2O3film.Moreover,the large amount of subgrain boundaries formed on the aluminized layer of the LSP-treated samples could act as short-circuit paths for the outward diffusion of Al,facilitating the rapid nucleation ofα-Al2O3.Meanwhile,the aluminized layer could isolate the contact between the oxidation environment and matrix,thereby decreasing the oxidation rate.Furthermore,the minimum oxidation parabolic constant was calculated for LSP-treated steel(6.45787×10-14),which was 69.18%and 36.36%that of aluminized and 321 steel,respectively,during the entire oxidation process.Therefore,the combination of aluminizing and LSP treatments can improve the high-temperature oxidation resistance of 321 stainless steel,providing a new idea for its surface treatment to achieve a long service life at high temperatures. 展开更多
关键词 AISI 321 stainless steel Aluminizing Laser shock peening Oxidation film High-temperature oxidation resistance
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Effect of Nb on high-temperature oxidation of austenitic stainless steel at 850℃ 认领 引用 被引量：2
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作者 Fan Wang Gui-zhi Xiao +6 位作者 De-ning Zou Kai-xin Zhang Xiao-ming Zhang Yang Li Li-bo Tong Yi-cheng Jiang Bo Song 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2025年第4期1003-1012,共10页
The effects of niobium on the high-temperature oxidation resistance of austenitic stainless steel were systematically investigated.Two austenitic stainless steels with different Nb contents were prepared and exposed t... The effects of niobium on the high-temperature oxidation resistance of austenitic stainless steel were systematically investigated.Two austenitic stainless steels with different Nb contents were prepared and exposed to air at 850℃for 200 h.Results show that Nb positively affects the high-temperature oxidation resistance of austenitic stainless steels.The matrix organization of austenitic stainless steels with added niobium does not change,while the austenitic grain size is significantly refined,and it also promoted the release of internal stresses in the oxide film,which in turn improved the integrity of the oxide film and adhesion to the substrate.In addition,with the addition of Nb element,a large number of Nb(C,N)particles are diffusely distributed in the matrix.Nb(C,N)phase distributed in the matrix and the niobium-rich layer formed by the diffusion of niobium into the interface between the metal matrix and the oxide film during the high-temperature oxidation process effectively prevents the diffusion of iron into the outer layer and enhances the oxidation resistance at high temperatures. 展开更多
关键词 Oxidation resistance Nb element Austenitic stainless steel Precipitation Grain size
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Influence of laser shock peening on microstructure and high-temperature oxidation resistance of Ti45Al8Nb alloy fabricated via laser melting deposition 认领 引用 被引量：2
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作者 Lu-lu JIANG Liang LAN +6 位作者 Cheng-yan BAI Ru-yi XIN Shuang GAO Hao-yu WANG Bo HE Chao-yue CHEN Guo-xin LU 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2025年第1期157-168,共12页
Laser shock peening(LSP)was used to enhance the high-temperature oxidation resistance of laser melting deposited Ti45Al8Nb alloy.The microstructure and high-temperature oxidation behavior of the as-deposited Ti45Al8Nb... Laser shock peening(LSP)was used to enhance the high-temperature oxidation resistance of laser melting deposited Ti45Al8Nb alloy.The microstructure and high-temperature oxidation behavior of the as-deposited Ti45Al8Nb alloy before and after LSP were investigated by scanning electron microscopy,X-ray diffraction,and electron backscatter diffraction.The results indicated that the rate of mass gain in the as-deposited sample after LSP exhibited a decrease when exposed to an oxidation temperature of 900℃,implying that LSP-treated samples exhibited superior oxidation resistance at high temperatures.A gradient structure with a fine-grain layer,a deformed-grain layer,and a coarse-grain layer was formed in the LSP-treated sample,which facilitated the diffusion of the Al atom during oxidation,leading to the formation of a dense Al2O3layer on the surface.The mechanism of improvement in the oxidation resistance of the as-deposited Ti45Al8Nb alloy via LSP was discussed. 展开更多
关键词 TiAl alloy laser melting deposition laser shock peening additive manufacturing oxidation resistance
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High-temperature oxidation behavior and mechanism of 18Cr-Mo-type ferritic stainless steel containing W and Ce in simulated automotive exhaust gas 认领 引用 被引量：1
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作者 Jia-hao Zheng Yang Feng +1 位作者 Yang Zhao Li-qing Chen 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2025年第7期2116-2132,共17页
The high melting point element W and the rare earth element Ce were added to 18Cr-Mo(444-type)ferritic stainless steel to improve its high-temperature oxidation resistance in exhaust gas.A simulated exhaust gas was fi... The high melting point element W and the rare earth element Ce were added to 18Cr-Mo(444-type)ferritic stainless steel to improve its high-temperature oxidation resistance in exhaust gas.A simulated exhaust gas was filled in the simultaneous thermal analyzer to simulate the service environment,and the oxidation behavior in high-temperature exhaust gas environment of 444-type ferritic stainless steel alloyed with W and Ce was investigated.The oxide structure and composition formed in this process were analyzed and characterized by scanning electron microscopy/energy-dispersive spectroscopy and electron probe analysis,and the mechanism of W and Ce in the oxidation process was revealed.The results show that 18Cr-Mo ferritic stainless steel containing W and Ce has better oxidation resistance in high-temperature exhaust gas.The element W can promote the precipitation of Laves phase at the matrix/interface,inhibit the interface diffusion of oxidizing elements and prevent the inward growth of the oxide film.The element Ce can suppress the volume of SiO2at the oxide film/interface,reducing the breakaway oxidation caused by cracking of the oxide film.The CeO2provides nucleation sites for oxide particles,promoting the healing of cracks and voids within the oxide film. 展开更多
关键词 Ferritic stainless steel Cerium Tungsten Oxidation behavior Simulated automotive exhaust gas
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High-Temperature Oxidation Resistance of Mg-Ca Alloys in Air and Under Flame Exposure 认领 引用
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作者 Ming Yue You Guoqiang +2 位作者 Wang Xiaoxi Yang Feng Zhang Jun 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2025年第12期3060-3064,共5页
The oxidation behavior and mechanism of Mg-Ca alloys in air and under flame exposure were studied.Results show that for the oxidation in air,the Mg-Ca-O oxide film with Ca accumulation and low Mg vapor pressure on the... The oxidation behavior and mechanism of Mg-Ca alloys in air and under flame exposure were studied.Results show that for the oxidation in air,the Mg-Ca-O oxide film with Ca accumulation and low Mg vapor pressure on the surface of Mg-Ca alloys with high Ca content shows good protective effect.However,the falling off phenomenon of the oxide film on Mg2Ca results in the further oxidation.Hence,the Mg-Ca alloys with high Ca content only show good protective effect.For the oxidation in flame,the molten alloys release the Ca atoms to diffuse outward.The Mg-Ca-O oxide film with high Ca accumulation layer forms in Mg-Ca alloys with high Ca content.Despite the high Mg vapor pressure in the molten alloy,the Mg-Ca-O oxide film with high Ca accumulation layer shows excellent protective effect. 展开更多
关键词 oxidation air flame Mg-Ca alloys
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Revealing high-temperature oxidation behavior and structure evolution of SnS:an electron microscopic investigation 认领 引用
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作者 Si-Kang Zheng Zhen-Hua Zhang +8 位作者 Yan-Yan Tao Xiao-Meng Yang Jie Liu Hong-Hui Wang Guang Han Xu Lu Guo-Yu Wang Bin Zhang Xiao-Yuan Zhou 《Rare Metals》 SCIE EI CAS CSCD 2025年第6期4086-4094,共9页
SnS,a well-known van der Waals chalcogenide,is susceptible to oxidation in high-temperature or highhumidity environments,significantly impacting its functional performance and device stability.Conversely,oxidation can... SnS,a well-known van der Waals chalcogenide,is susceptible to oxidation in high-temperature or highhumidity environments,significantly impacting its functional performance and device stability.Conversely,oxidation can be used as an effective strategy for surface engineering,allowing for structure modulation or design,property tuning and application exploration.However,there is currently a gap in understanding the relationship between the oxidation behavior of SnS,the structure of its oxidized surface,and the dependence on oxidation temperature.In this study,we systematically investigated the evolution of SnS surfaces under thermal oxidation using electron microscopy.The microstructure evolution(e.g.,surface structures,phases,defects,and interface)of SnS during high-temperature oxidation has been fully characterized and studied based on cross-sectional samples.Various surface heterostructures were constructed,including SnO2/SnS,SnO2/SnS2/SnS,and SnO2/Sn2S3/SnS,offering significant potential for the surface functionalization of SnS-based systems.Accordingly,oxidation mechanisms at different stages were elucidated based on the detailed and clear picture of microstructures.This research not only deepens our understanding of the fundamental science of SnS oxidation but also provides valuable insights for preventing and developing surface oxidation engineering in SnS and other van der Waals chalcogenides/materials. 展开更多
关键词 SnS Oxidation Heterogeneous surfaces Electron microscopic investigation Formation mechanism
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Achieving High-Temperature Oxidation and Corrosion Resistance in Fe-Mn-Cr-Al-Cu-C TWIP Steel via Annealing Control 认领 引用 被引量：1
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作者 Yang Feng Shuai Wang +1 位作者 Yang Zhao Li-Qing Chen 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 2025年第4期642-656,共15页
Twinning-induced plasticity (TWIP) steel shows great potential in engineering due to its excellent strength and ductility synergy, and strengthening research on its corrosion resistance and high-temperature oxidation ... Twinning-induced plasticity (TWIP) steel shows great potential in engineering due to its excellent strength and ductility synergy, and strengthening research on its corrosion resistance and high-temperature oxidation resistance is critical for broader applications. Herein, the effect of annealing temperature on the high-temperature oxidation and corrosion behavior of Fe-Mn-Cr-Al-Cu-C TWIP steel is investigated. The results show that increasing the annealing temperature from 700℃ to 1100℃ reduced the mass gain of the TWIP steel oxidized at 800℃ for 8 h from 1.93 to 0.58 mg·cm−2. Additionally, the self-corrosion current density decreases from 6.52 × 10−6 to 1.32 × 10−6 A·cm−2, while charge transfer resistance increases from 1461 to 3339 Ω·cm−2. The reduction in grain boundaries and dislocation density in the TWIP steel attributed to the increase in annealing temperature inhibits short-circuit diffusion, local galvanic corrosion and pitting, ultimately improving both oxidation and corrosion resistance. Moreover, high-temperature annealing prevents the formation of carbon-rich compounds and ensures uniform element distribution. The accumulation of Cu and Cu-rich products formed at the interface further protects against Cl− erosion, inhibiting pitting and local corrosion, thus enhancing the corrosion resistance of the TWIP steel. 展开更多
关键词 Twinning-induced plasticity(TWIP)steel Oxidation Corrosion Annealing Microstructure
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High-temperature oxidation behavior of modified 4Al alumina-forming austenitic steel: Effect of cold rolling 认领 引用 被引量：17
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作者 Qiuzhi Gao Ziyun Liu +5 位作者 Huijun Li Hailian Zhang Chenchen Jiang Aimin Hao Fu Qu Xiaoping Lin 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2021年第9期91-102,共12页
The oxidation behavior and mechanism of as-received and 30 % cold-rolled alumina-forming austenitic(AFA) steel were investigated in dry air at 700℃.The results show that the mass gain per unit area curves of as-recei... The oxidation behavior and mechanism of as-received and 30 % cold-rolled alumina-forming austenitic(AFA) steel were investigated in dry air at 700℃.The results show that the mass gain per unit area curves of as-received and 30 % cold-rolled steels subject to near-parabolic law before 100 h oxidation time.Two samples both show higher high-temperature oxidation resistance due to the formation of dense Al2O3 oxide scale.Gradual spallation of outer scale results in the formation of continuous and dense alumina scale.Dislocations can act as short-circuit diffusion channel for the diffusion of Al from alloy matrix to surface,and also provide nucleation sites for B2-NiAl phase,which ensure the continuous formation of Al2O3 scale. 展开更多
关键词 Alumina-forming austenitic steel High-temperature oxidation Cold rolling Oxidation mechanism
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Influencing factors and mechanism of high-temperature oxidation of high-entropy alloys: A review 认领 引用 被引量：16
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作者 Ya Wei Yu Fu +5 位作者 Zhi-min Pan Yi-chong Ma Hong-xu Cheng Qian-cheng Zhao Hong Luo Xiao-gang Li 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2021年第6期915-930,共16页
High-temperature oxidation is a common failure in high-temperature environments,which widely occur in aircraft engines and aerospace thrusters;as a result,the development of anti-high-temperature oxidation materials h... High-temperature oxidation is a common failure in high-temperature environments,which widely occur in aircraft engines and aerospace thrusters;as a result,the development of anti-high-temperature oxidation materials has been pursued.Ni-based alloys are a common high-temperature material;however,they are too expensive.High-entropy alloys are alternatives for the anti-oxidation property at high temperatures because of their special structure and properties.The recent achievements of high-temperature oxidation are reviewed in this paper.The high-temperature oxidation environment,temperature,phase structure,alloy elements,and preparation methods of high-entropy alloys are summarized.The reason why high-entropy alloys have anti-oxidation ability at high temperatures is illuminated.Current research,material selection,and application prospects of high-temperature oxidation are introduced. 展开更多
关键词 high-entropy alloy high-temperature oxidation influencing factors oxidation mechanism
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High-Temperature Oxidation Resistance of Austenitic Stainless Steel Cr18Ni11Cu3Al3MnNb 认领 引用 被引量：6
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作者 LI Dong-sheng DAI Qi-xun +2 位作者 CHENG Xiao-nong WANG Rong-rong HUANG Yan 《Journal of Iron and Steel Research International》 SCIE CAS CSCD 2012年第5期74-78,共5页
The kinetic curve of the high-temperature oxidation of austenitie stainless steel Crl8Ni11 Cu3Al3MnNb at different temperatures was measured by weighting method. It is showed that the oxidation curves at 700 and 800 ... The kinetic curve of the high-temperature oxidation of austenitie stainless steel Crl8Ni11 Cu3Al3MnNb at different temperatures was measured by weighting method. It is showed that the oxidation curves at 700 and 800 ℃ followed the parabolic law, and the steel presented an excellent anti-oxidation. The surface morphology and structure of the oxide film were studied by scanning electron microscopy and X-ray diffraction methods. A dense oxide film was attained at 700 and 800 ℃, mainly composed of the hexagonal Al2 O3, Fe2 O3, and a small amount oxide of Cr at 700 ℃. At 900 ℃ the oxide film started to delaminate, and was composed of （Cr,Fe）2O3 and the spinel CuCrMnO4 and Fe（Cr, Al） 2O3. 展开更多
关键词 austenitic stainless steel high-temperature oxidation oxidation scale cyclic oxidation spinel
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Effect of doping aluminum and yttrium on high-temperature oxidation behavior of Ni-11Fe-10Cu alloy 认领 引用 被引量：5
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作者 程新华 范磊 +2 位作者 刘莉 杜开发 汪的华 《Journal of Rare Earths》 SCIE EI CAS CSCD 2016年第11期1139-1147,共9页
Aiming to develop materials for construction of the set-up and electrode of high-temperature molten salt reactors, the effect of Al and Y on the high-temperature oxidation behavior of Ni-11Fe-10Cu at 750 and 950 °... Aiming to develop materials for construction of the set-up and electrode of high-temperature molten salt reactors, the effect of Al and Y on the high-temperature oxidation behavior of Ni-11Fe-10Cu at 750 and 950 °C in air were investigated. The oxidation kinetics of Ni-11Fe-10Cu alloy followed parabolic law at 750 °C without spallation and linear law at 950 °C with severe spallation, while that of Ni-11Fe-10Cu-6Al-3Y alloy followed parabolic law at 750 and 950 °C without spallation. The parabolic rate constant （kp） of Ni-11Fe-10Cu was smaller than that of Ni-11Fe-10Cu-6Al-3Y at 750 °C. The oxide scale formed on Ni-11Fe-10Cu at 750 °C was composed of a CuO outer layer, a NiFe2O4 middle layer and a NiO inner layer. The oxide scale formed on Ni-11Fe-10Cu-6Al-3Y at 750 °C was also composed of the similar triplex layers in addition to an internal oxidation zone containing Al, Ni and Cu oxide and the microstructure of the scale changed with increasing temperature. Although the doping Al and Y could improve the adherence of oxide scale, it could aggravate the extent of internal oxidation. Based on the combination of X-ray diffraction （XRD）, scanning electron mi-croscopy/energy dispersive spectroscopy （SEM/EDX） analysis, the microstructure and growth mechanism of the multi-layer oxide scale was studied and the effect of doping Al and Y on the oxidation behavior of Ni-11Fe-10Cu alloy was also discussed. 展开更多
关键词 Ni-Fe-Cu alloy doping rare earths high-temperature oxidation behavior multi-layer oxide scale
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High-Temperature Oxidation Behavior of a Ni-Cr-W-Al Alloy 认领 引用 被引量：8
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作者 Y.C.Ma X.J.Zhao +1 位作者 M.Gao K.Liu 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2011年第9期841-845,共5页
A study was conducted to examine the isothermal oxidation behavior of a new Ni-Cr-W-AI alloy in air at 1250℃with different time.Oxidation kinetics was determined from weight-change measurements.The microstructure and... A study was conducted to examine the isothermal oxidation behavior of a new Ni-Cr-W-AI alloy in air at 1250℃with different time.Oxidation kinetics was determined from weight-change measurements.The microstructure and composition of the oxide scale were investigated by means of scanning electron microcopy and X-ray diffraction.The results showed that the oxide scales of the alloy were a compact and continuous outer Cr2O3 and NiCr2O4 layer and an inner Al2O3 layer that was in dendrite shape.Oxides scales with good adherence were formed on the surface of the alloy,which made the alloy perform excellent high-temperature oxidation resistance. 展开更多
关键词 Oxidation kinetics Oxide scale High-temperature oxidation resistance
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