NEW WATER-ATOMIZED TEMPERING STEEL POWDER FOR HIGH-STRENGTH AND WEAR-RESISTANT SINTERED STEELS IN THE AUTOMOTIVE INDUSTRY

被引：0
|
作者：
LINDNER, KH
LINK, R
机构：
来源：
STAHL UND EISEN | 1994年 / 114卷 / 08期
关键词：
20;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The strength properties of new sintered steels are compared with those of cast materials and compact steels, and the future development goals outlined. The prealloyed Mannesmann heat-treatable steel powder MSP 4 (Fe-4.0 Ni-0.5 Mo) for, e.g., synchronizer bodies, clutch hubs and starter pinions, as well as MSP-1.5 Mo (Fe-1.5 Mo) for, e.g., sintered cams and sintered connecting rods, have performed satisfactorily in initial test runs for wear-resistant and highly dynamically loaded automotive components. The diffusion alloyed grades Ultrapac (L)-10/20 Cu were successfully tested as newly developed materials for obtaining a defined copper content in PM components, by means of which undesired copper segregation is substantially reduced. The consequence is a distinct narrowing of dimensional scatter in sintered parts and a considerable improvement in concentricity.
引用
收藏
页码：123 / 129
页数：7
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