Wear resistance of microextrusion dies coated by diamond-like carbon films

被引：0
|
作者：
Ohtake, N
Yang, XD
Kuroda, T
Nakamura, Y
Kondo, Y
机构：
[1] Tokyo Inst Technol, Dept Mech Sci & Engn, Meguro Ku, Tokyo 1528552, Japan
[2] NGK Insulators Ltd, Mizuho Ku, Nagoya, Aichi 4678530, Japan
来源：
JSME INTERNATIONAL JOURNAL SERIES A-SOLID MECHANICS AND MATERIAL ENGINEERING | 2003年 / 46卷 / 03期
关键词：
DLC; pulse plasma; CVD; extrusion dies; wear resistance; TiCN buffer layer;
D O I：
10.1299/jsmea.46.213
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In order to improve the wear resistance of stainless steel extrusion dies, the mechanical properties of diamond-like carbon (DLC) films deposited on SUS630 (174PH) substrates have been investigated. It was clearly shown that wear resistance of the dies was significantly improved when high-voltage pulse pretreatment was applied before DLC deposition by DC plasma CVD. The DLC film showed good wear resistance against cordierite clay in an extrusion experiment. Furthermore, in order to strengthen the adhesion between the DLC film and the substrate which were deposited, TiCN films was fabricated as a buffer layer between DLC and SUS630 substrates. It was found that DLC film with high adhesion strength was prepared at relatively low CH, gas pressure of 6 Pa.
引用
收藏
页码：213 / 217
页数：5
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