The Impact of Grinding on Surface Integrity of Powder-metallurgy High-speed Steel (S390)

被引：3

作者：

Mu, Shanhe ^{[1
]}

Cao, Chuanliang ^{[1
]}

Zhang, Xianglin ^{[1
]}

Xiang, Zha ^{[1
]}

Mao, Xiu ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China

来源：

MATERIALS ENGINEERING AND MECHANICAL AUTOMATION | 2014年 / 442卷

关键词：

Grinding; Surface integrity; S390; Parameter optimization; RESIDUAL-STRESS; PARAMETERS;

D O I：

10.4028/www.scientific.net/AMM.442.52

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The paper presents an experimental study on the relationship betweenprocess parametersand surface integrity of powder-metallurgy high-speed steel S390 in ultraprecision grinding. The optimal machining parametershave been obtained based on the Taguchi quality design method.The affected layerinduced by ultraprecision grinding has a uniform white layerand an inconspicuous dark layer; there are some carbides in the white layer of some samples; a compressive residual stress field exists on the ground surface. In addition, experiments confirm that lapping can remove the white layer effectively and increase the compressive residual stresses with a growth rate of 65%.The derived results satisfy the real requirements in practice.

引用

页码：52 / 57

页数：6

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