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High cycle fatigue behavior of Fe24Mn13Cr0.44N austenitic stainless steel
Dai Qixun * #,Yuan Zhizhong,Cheng Xiaonong,Chen Kangmin
Jiangsu University
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金（No.20050299008）
Opened online:12 August 2008
Accepted by: none
Citation: Dai Qixun,Yuan Zhizhong,Cheng Xiaonong.High cycle fatigue behavior of Fe24Mn13Cr0.44N austenitic stainless steel[OL]. [12 August 2008] http://en.paper.edu.cn/en_releasepaper/content/23340
 
 
High cycle fatigue property of a high-nitrogen austenitic stainless steel Fe24Mn13Cr0.44N at room temperature and its fracture microstructures were investigated in detail. The results show that the fatigue curve could be fitted by exponential function lgN=1133-118S and the fatigue strength is 341 MPa which is mainly enhanced by Mn and N. It is no less than Fe-Cr-Ni series steels such as 316L. The fracture microstructures indicated that quasi-cleavage facet dominated when stress was low. But as the stress increased, quasi-cleavage facets were not obvious and no feature plane and fatigue striations were the main features instead.
Keywords:high-nitrogen austenitic stainless steel; fatigue property; quasi-cleavage fracture, fatigue striation
 
 
 

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