Sliding abrasive wear characteristics of steels with different hardness

被引：0
|
作者：
Luo, Hong [1 ]
Liu, Jiajun [1 ]
Zhu, Baoliang [1 ]
Cheng, Wentao [1 ]
Zhang, Zhijun [1 ]
机构：
[1] Tsinghua Univ, Beijing, China
来源：
Mocaxue Xuebao/Tribology | 1994年 / 14卷 / 03期
关键词：
Friction - Hardness - Wear of materials - Wear resistance;
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The tests were carried out on a reciprocating wear testing machine with SiC abrasive particles matched with the steels. It was found that the steels surface hardness is the dominant factor for their wear-resistance. When the hardness is higher than 734HV, the wear resistance is very sensitive to the hardness, and vice-versa. For example, when the hardness is increased from 734HV to 830HV, the wear-resistance can be improved about 100% with micro-cutting as the wear mechanism and with a little increase in the roughness of wearing surface; when the hardness is increased from 317HV to 734HV, the wear-resistance is improved only about 50% with micro-cutting as the main wear mechanism accompanied with delamination induced by strain fatigue. Hence a higher surface hardness of steels is the key point for getting an ideal lifetime in many industrial applications.
引用
收藏
页码：213 / 219
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