Thermo-chemical wear mechanism of diamond tool in machining of ferrous metals

被引：153

作者：

Shimada, S ^{[1
]}

Tanaka, H

Higuchi, M

Yamaguchi, T

Honda, S

Obata, K

机构：

[1] Osaka Electrocommun Univ, Neyagawa, Osaka 572, Japan

[2] Kansai Univ, Suita, Osaka, Japan

[3] Technol Res Inst Osaka Prefecture, Osaka, Japan

[4] ALMT Diamond Corp, Takino, Hyogo, Japan

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2004年 / 53卷 / 01期

关键词：

cutting; diamond turning; tool wear;

D O I：

10.1016/S0007-8506(07)60644-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

To understand the wear mechanism of diamond tool in machining of ferrous metals, an erosion test simulating wear process and ab-initio molecular orbital calculation are carried out. The results of the tests and analyses show that the essential wear mechanism at the temperature higher than 1000K is the dissociation of carbon atoms on diamond surface due to the interaction with iron surface. The wear rate is controlled by the removal rate of dissociated carbon atoms from the tool-work interface such as diffusion into workpiece. At the temperature lower than 900K, the mechanism involves the removal of carbon atoms due to oxidization of diamond accompanied with deoxidization of iron oxide.

引用

页码：57 / 60

页数：4

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