Interrelated effects of temperature and load on fretting behavior of SAF 2507 super duplex stainless steel

被引：18
|
作者：
Wang, Mengjiao [1 ,2 ]
Wang, Yunxia [1 ,2 ]
Liu, Hao [1 ]
Wang, Jinqing [1 ,2 ]
Yan, Fengyuan [1 ,2 ]
机构：
[1] Chinese Acad Sci, State Key Lab Solid Lubricat, Lanzhou Inst Chem Phys, Lanzhou 730000, Gansu, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoeletron Engn, Beijing 100049, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2019年 / 136卷
基金：
中国国家自然科学基金;
关键词：
Fretting wear; Super duplex stainless steel; High temperature; Load; WEAR BEHAVIOR; FATIGUE; RESISTANCE; TOUGHNESS; CRYSTAL; ALLOY;
D O I：
10.1016/j.triboint.2019.03.042
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
SAF 2507 super duplex stainless steel (SAF 2507 SDSS) is widely used in industrial fields while its fretting wear mechanism at high temperatures has not been well studied. In this paper, fretting behavior of SDSS in a wide temperature range from 25 degrees C to 800 degrees C at 20 N and 50 N has been studied. It is found that fretting wear behavior of SDSS is influenced by both temperature and load. Elevated temperature induces both surface softening and formation of oxide layer (Fe3O4 and alpha-Fe2O3). Compared with 20 N, oxide layer at higher load of 50 N is easier to transfer onto the counterpart surface under interrelated effects of heating temperature and applied load, finally leading to higher wear loss.
引用
收藏
页码：140 / 147
页数：8
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