Cracking due to Cu and Ni segregation in a 17-4 PH stainless steel piston rod

IMR OpenIR

	Cracking due to Cu and Ni segregation in a 17-4 PH stainless steel piston rod
	Tian, Jialong; Wang, Wei; Yan, Wei; Jiang, Zhouhua; Shan, Yiyin; Yang, Ke; Yan, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
	2016-07-01
发表期刊	ENGINEERING FAILURE ANALYSIS
ISSN	1350-6307
卷号	65 页码:57-64
摘要	The 17-4 PH stainless steel is employed to produce piston rods in industry due to the high strength and toughness, good workability and nice corrosion resistance. In the present failure analysis, obvious long cracks were observed along the longitudinal direction on the surface of the commercial 17-4 PH stainless steel piston rod after heat treatment. The cracks were carefully looked into by observing the crack tip and characterizing the microstructure along the cracks. The results showed that the cracks were mostly initiated from the surface of the rod and propagated along the phase boundary between martensite and delta ferrite. The EDXA showed that the segregation of Cu and Ni should be responsible for the cracking after heat treatment. In order to define when the crack was coming into being, oxidation film along the crack was considered as a clue. The scrutiny of the oxidation film on the crack edge illustrated that the crack should be formed right in the heat treatment of aging. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属	[tian, jialong ; jiang, zhouhua] northeastern univ, sch met & mat, shenyang 110004, peoples r china ; [tian, jialong ; wang, wei ; yan, wei ; shan, yiyin ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china
关键词	17-4 Ph Steel Piston Rod Crack
学科领域	Engineering ; Materials Science
资助者	Shenyang Yuanda Compressor Manufacturing Co. Ltd.
收录类别	sci
语种	英语
WOS记录号	WOS:000374330800006
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/75820
专题	中国科学院金属研究所
通讯作者	Yan, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式 GB/T 7714	Tian, Jialong,Wang, Wei,Yan, Wei,et al. Cracking due to Cu and Ni segregation in a 17-4 PH stainless steel piston rod[J]. ENGINEERING FAILURE ANALYSIS,2016,65:57-64.
APA	Tian, Jialong.,Wang, Wei.,Yan, Wei.,Jiang, Zhouhua.,Shan, Yiyin.,...&Yan, W .(2016).Cracking due to Cu and Ni segregation in a 17-4 PH stainless steel piston rod.ENGINEERING FAILURE ANALYSIS,65,57-64.
MLA	Tian, Jialong,et al."Cracking due to Cu and Ni segregation in a 17-4 PH stainless steel piston rod".ENGINEERING FAILURE ANALYSIS 65(2016):57-64.