典型文献
Microstructural evolution and stress relaxation cracking mechanism for Super304H austenitic stainless steel weld metal
文献摘要：
The pre-compressed CT technique was used to quantitatively investigate the formation of stress relaxation cracks under different tensile residual stresses and aging time in Super304H austenitic stainless steel weld metal.The statistical results revealed that intergranular cracks could occur within 2000 h under 650℃when the residual stress was applied with greater than 18 KN pre-compression force.Detailed grain interior and boundary analyses showed that the growth of intragranular Cu-rich particles could induce a strong grain interior,and the intergranular Nb(C,N)carbides were one of the causes to crack under short-term aging time.For long-term aging time conditions,the intergranular M23C6 carbides were more susceptible to crack than intergranular Nb(C,N)carbides.Finally,the mechanism responsible for stress relaxation cracking formation was carefully illustrated for the weld metals after short-term aging and long-term aging,respectively.
文献关键词：
中图分类号：
作者姓名：
Xiaopeng Xiao;Dianzhong Li;Yiyi Li;Shanping Lu
作者机构：
Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China;School of Materials Science and Engineering,University of Science and Technology of China,Shenyang 110016,China;Key Laboratory of Nuclear Materials and Safety Assessment,Insititute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China
文献出处：
引用格式：
[1]Xiaopeng Xiao;Dianzhong Li;Yiyi Li;Shanping Lu-.Microstructural evolution and stress relaxation cracking mechanism for Super304H austenitic stainless steel weld metal)[J].材料科学技术（英文版）,2022(05):82-90
A类：
B类：
Microstructural,evolution,relaxation,cracking,mechanism,Super304H,austenitic,stainless,steel,weld,compressed,technique,was,used,quantitatively,investigate,formation,cracks,under,different,tensile,residual,stresses,aging,statistical,results,revealed,that,intergranular,could,occur,within,when,applied,greater,than,KN,compression,force,Detailed,grain,interior,boundary,analyses,showed,growth,intragranular,rich,particles,induce,strong,Nb,carbides,were,one,causes,short,term,For,long,conditions,M23C6,more,susceptible,Finally,responsible,carefully,illustrated,metals,after,respectively
AB值：
0.529187
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