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《Journal of University of Science and Technology Beijing》 2008-10
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Thermal aging mechanism of Z3CN20-09M cast austenite stainless steel

LI Shilei,WANG Yanli,CHENG Lu,WANG Xitao,LIN Zhi,CHEN Guoliang State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,Beijing 100083,China  
Z3CN20-09M cast austenite stainless steel was aged at 400 ℃ for 100-3 000 h and the change law of nano indenter hardness and ferrite content was investigated.Its microstructure after being aged was observed by both TEM and SEM.The results showed that the thermal aging embrittlement was induced by spinodal decomposition in ferrite.
【Fund】: 国家重点基础研究发展计划资助项目(No.2006CB605005)
【CateGory Index】: TG260
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