MECHANICAL PROPERTIES AND EROSION RESISTANCE OF THE VACUUM-ARC COATINGS (Ti, Al)N MODIFIED WITH YTTRIUM

被引：0
|
作者：
Vasyliev, V. V. [1 ]
Kovalenko, V. I. [1 ]
Luchaninov, A. A. [1 ]
Marinin, V. G. [1 ]
Reshetnyak, E. N. [1 ]
Strel'nitskij, V. E. [1 ]
Tolmachyova, G. N. [1 ]
机构：
[1] Kharkov Phys & Tech Inst, Natl Sci Ctr, Kharkov, Ukraine
来源：
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2011年 / 04期
关键词：
HARD COATINGS; CUTTING TOOLS; MICROSTRUCTURE; FILMS;
D O I：
暂无
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The results of investigations of the structure, hardness and mechanical resistance of TiN, Ti0.5Al0.5N, and Ti0.5-xAl0.5YxN (x <= 0,01) coatings deposited from the vacuum-arc source with the macroparticle filter at high voltage pulsed substrate bias are presented. All of the tested coatings are characterized with high hardness of 30 ... 36 GPa and erosion wear of low level. Doping of the Ti0.5Al0.5N coating with yttrium results in additional increase in its durability. The average rates of cavitation and erosion wear of the (Ti, Al)N+1at.%Y coating is 3-5 times lower than that of (Ti, Al)N one, and 10 times lower than that of TiN one. The influence of the low additions of yttrium on the structure and properties of the coatings are discussed.
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页码：160 / 164
页数：5
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