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Effects of Gd on Microstructure and Mechanical Properties of Duplex Stainless Steels for Neutron Absorbing 认领 引用
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作者 Jia Dongxiao Zhao Pengfei +3 位作者 Liang Tian Hou Kunlei Jiang Yuefeng Ma Yingche 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2026年第7期1632-1640,共9页
The effects of different Gd contents on microstructure and mechanical properties of 00Cr23Ni8Mo1.4Mn1.4Si0.5alloy were researched.Results indicate that element Gd exists mainly in three forms in the alloy:Gd2O3,... The effects of different Gd contents on microstructure and mechanical properties of 00Cr23Ni8Mo1.4Mn1.4Si0.5alloy were researched.Results indicate that element Gd exists mainly in three forms in the alloy:Gd2O3,M12Gd,and M3Gd phases(M=Fe,Cr,Ni).With the increase in Gd content,the contents of Gd-containing precipitate and ferrite phase are increased,whereas the austenite phase content is decreased.The Gd oxide and precipitation of two Gd-containing phases are the main causes of cracking in the alloy during the hot deformation process.The partially aggregated Gd oxide particles and the difficult-to-deform Gd-containing precipitates on the grain boundary jointly decrease the hot ductility of the alloy.With the increase in amount of Gd addition,the tensile strength and section shrinkage ratio of the alloy are decreased.Furthermore,M3Gd is harder and more brittle,compared with M12Gd,resulting in a more detrimental impact on the mechanical properties of alloy. 展开更多
关键词 integration of structure and function Gd duplex stainless steel neutron absorbing material mechanical properties
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