Machinability of green powder metallurgy components: Part I. Characterization of the influence of tool wear

被引：20
|
作者：
Robert-Perron, Etienne [1 ]
Blais, Carl
Pelletier, Sylvain
Thomas, Yannig
机构：
[1] Univ Laval, Dept Min Met & Mat Engn, Quebec City, PQ, Canada
[2] Natl Res Council Canada, IMI, Powder Forming Res Grp, Boucherville, PQ J4B 6Y4, Canada
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2007年 / 38A卷 / 06期
关键词：
D O I：
10.1007/s11661-007-9191-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The green machining process is an interesting approach for solving the mediocre machining behavior of high-performance powder metallurgy (PM) steels. This process appears as a promising method for extending tool life and reducing machining costs. Recent improvements in binder/lubricant technologies have led to high green strength systems that enable green machining. So far, tool wear has been considered negligible when characterizing the machinability of green PM specimens. This inaccurate assumption may lead to the selection of suboptimum cutting conditions. The first part of this study involves the optimization of the machining parameters to minimize the effects of tool wear on the machinability in turning of green PM components. The second part of our work compares the sintered mechanical properties of components machined in green state with other machined after sintering.
引用
收藏
页码：1330 / 1336
页数：7
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