Phase composition of the surface layers of high-speed cutting steel after electrospark alloying and laser treatment

被引：0
|
作者：
Paustovskii, AV [1 ]
Botvinko, VP [1 ]
机构：
[1] Ukrainian Acad Sci, Frantsevitch Inst Problems Mat Technol, Kiel, Germany
来源：
MATERIALS SCIENCE | 2000年 / 36卷 / 01期
关键词：
Austenite; Laser Treatment; Tungsten Carbide; Hard Alloy; Titanium Carbide;
D O I：
10.1007/BF02805123
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Due to the metallurgical processes occurring under the action of laser irradiation, which are accompanied by convectional mass transfer, phase formation, and the interaction of alloying elements with the base material and elements of the environment, tungsten carbide fully dissolves in the steel melt in the case where alloying was carried out with alloys based on this carbide. Moreover, the refractory component of tungsten-free electrode materials stayed completely unaltered, by partially losing a non-metal. These transformations occur under nonequilibrium conditions. To improve the tribotechnical properties and durability of a high-speed cutting steel upon cutting, it is reasonable to alloy its surface layer with elements and compounds which form stable oxides strongly bound to the base.
引用
收藏
页码：100 / 103
页数：4
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