Grain refinement of metal surface using hot shot peening

被引：1
|
作者：
Harada, Yasunori [1 ]
Fukaura, Kenzo [1 ]
Tsuchida, N. [1 ]
机构：
[1] Univ Hyogo, Grad Sch Engn, 2167 Shosya, Himeji, Hyogo 6712280, Japan
来源：
THERMEC 2006, PTS 1-5 | 2007年 / 539-543卷
关键词：
shot peening; grain refinement; recrystallization; surface treatment; hot working; plastic deformation;
D O I：
10.4028/www.scientific.net/MSF.539-543.1080
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, the grain refinement near the surface of metal workpiece using hot shot peening was investigated to improve the surface properties of the workpiece. In this process, the grains were refined due to plastic deformation generated by the collision of a lot of shots under hot working conditions. A model experiment using two shots was carried out to examine the effects of the amount of deformation, the processing temperature and the time interval of the collision on grain size. In the experiment, the workpieces were stainless steel SUS304 and commercially pure copper. It was found that the global surface layer successfully attained to the fine grains by means of hot shot peening.
引用
收藏
页码：1080 / +
页数：2
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