Relation of hardness with FWHM and residual stress of GCr15 steel after shot peening

被引：63

作者：

Fu, Peng ^{[1
,2
]}

Chu, Ruiqing ^{[3
]}

Xu, Zhijun ^{[3
]}

Ding, Guanjun ^{[1
]}

Jiang, Chuanhai ^{[2
]}

机构：

[1] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China

[3] Yantai Univ, Sch Environm & Mat Engn, 32 Qingquan Rd, Yantai 264005, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2018年 / 431卷

关键词：

Shot peening; FWHM; Residual stress; Hardness; 18CRNIMO7-6; STEEL; SURFACE-LAYER; MICROSTRUCTURE;

D O I：

10.1016/j.apsusc.2017.09.136

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The variations of XRD full width at half maximum (FWHM), residual stress and hardness for the surface of GCr15 steel after triple shot peening (TSP) as a function of annealing time and temperature are studied. The results show that with the increase of annealing temperature and time, hardness and FWHM increase gradually while compressive residual stress (CRS) decreases gradually. CRS and micro-structure work together on the hardness values, and the micro-structure is the most important factor for hardness. According to establishing the quantitive relationship of hardness with FWHM and CRS, the value of hardness can be calculated; a new type of noncontact and nondestructive hardness testing can be realized by XRD method. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：165 / 169

页数：5

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