USE OF ELECTRIC SPARK ALLOYING TECHNOLOGY AND PROMISING NANOSTRUCTURED ELECTRODE MATERIALS FOR IMPROVING THE LIFE OF PUNCHING EQUIPMENT

被引:3
|
作者
Kudryashov, A. E. [1 ]
Levashov, E. A. [1 ]
Aksenov, L. B. [2 ]
Petrov, V. M. [3 ]
机构
[1] Natl Res Technol Univ, Moscow Inst Steel & Alloys NITU MISiS, Moscow, Russia
[2] St Petersburg State Polytech Univ, St Petersburg, Russia
[3] St Petersburg Engn Inst LMZ VTUZ, St Petersburg, Russia
关键词
electric-spark alloying (ESA); self-propagating high-temperature synthesis (SHS); electrode; coating; nanopowder; structure; graphite;
D O I
10.1007/s11015-010-9332-z
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Features are considered for the formation, composition, structure and properties of electric-spark coatings on tool die steel Kh12MF using hard alloy electrode materials based on titanium carbide and boride, and nanodispersed tungsten carbide. Mass transfer kinetics are studied with variation of pulsed discharge parameters. The structure, composition and properties are studied for the electric-spark coatings obtained (continuity, thickness, microhardness, friction coefficient, wear and heat resistance). Successful application in industry of the technology developed is demonstrated.
引用
收藏
页码:514 / 522
页数:9
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