Formation of nanocrystalline structure by shot peening

被引：14

作者：

Todaka, Y ^{[1
]}

Umemoto, M ^{[1
]}

Watanabe, Y ^{[1
]}

Tsuchiya, K ^{[1
]}

机构：

[1] Toyohashi Univ Technol, Dept Prod Syst Engn, Toyohashi, Aichi 4418580, Japan

来源：

NANOMATERIALS BY SEVERE PLASTIC DEFORMATION | 2006年 / 503-504卷

关键词：

nanostructure; deformation; shot peening; surface; steel;

D O I：

10.4028/www.scientific.net/MSF.503-504.669

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effects of the shot peening (SP) condition and the initial hardness of specimens on the formation and thickness of nanocrystalline (NC) layer were investigated. The NC structure is found to be independent of the SP techniques, air blast, impeller and ultrasonic SP. In the SP condition, the increase in the kinetic energy per one shot is effective to increase the thickness of NC layer. It is also found that there is a certain critical initial hardness of specimens to produce the NC structure by SP. The NC structure forms when the specimen hardness is lower than the shot hardness.

引用

页码：669 / 674

页数：6

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