Kinetics of electric discharge sintering of high-speed steel powders

被引：2
|
作者：
Popov, VP [1 ]
Gogaev, KA [1 ]
Raichenko, AI [1 ]
Goncharov, SV [1 ]
Sorokin, YV [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2000年 / 39卷 / 11-12期
关键词：
electric discharge sintering; high-speed steel; powder; hot extrusion; compaction kinetics; properties;
D O I：
10.1023/A:1011311710771
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Electric discharge sintering of high-speed steel R6M5F3 is studied. It is shown that powder hearing rate is mainly governed by the hear generated according to the Joule - Lenz rule and compaction mag. be described by equations that are valid for hot pressing. A new method is described for preparing billets for tools made from high-speed steel without some of the labor-intensive and expensive operations. This method combines electric discharge powder sintering with subsequent hot extrusion.
引用
收藏
页码：545 / 548
页数：4
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