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THE ABRASIVE WEAR BEHAVIOR OF AUSTEMPERED SPHEROIDAL CAST IRONS

被引：21
|
作者：
SHEPPERSON, S
ALLEN, C
机构：
[1] Univ of Cape Town, Rondebosch, Afr, Univ of Cape Town, Rondebosch, Afr
来源：
WEAR | 1988年 / 121卷 / 03期
关键词：
IRON AND ALLOYS - Wear Resisting - METALS TESTING - Wear;
D O I：
10.1016/0043-1648(88)90206-2
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Laboratory abrasive wear testing has been carried out on two austempered commercial spheroidal cast irons and compared with the results of similar tests on a range of abrasion-resistant carbon steels. All the austempered irons were found to have better abrasion resistance than proprietary abrasion-resistant steels. These austempered irons derive their outstanding properties from the morphology of the dual-phase ferritic-austenitic matrix coupled to the high work-hardening characteristics brought about by the stress-induced austenite-to-martensite transformation during abrasion. The influence of structure and mechanically induced transformation has been studied as a function of austempering temperature and time.
引用
收藏
页码：271 / 287
页数：17
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