Micro-amplitude impact wear behavior of 690 alloy under deionized water and dry conditions

被引：0

作者：

Cai, Zhen-Bing ^{[1
]}

Deng, Xiao-Jian ^{[1
]}

Yang, Rong ^{[1
]}

Peng, Jin-Fang ^{[1
]}

Qian, Hao ^{[2
]}

Li, Chen ^{[2
]}

Xie, Yong-Cheng ^{[2
]}

Zhu, Min-Hao ^{[1
]}

机构：

[1] Tribology Research Institute, Key Laboratory of Advanced Materials Technology, Southwest Jiaotong University, Chengdu

[2] Shanghai Nuclear Engineering Research and Design Institute, Shanghai

来源：

Zhendong yu Chongji/Journal of Vibration and Shock | 2015年 / 34卷 / 04期

关键词：

690; alloys; Impact wear; Lubrication conditions; Wear mechanism;

D O I：

10.13465/j.cnki.jvs.2015.04.003

中图分类号：

学科分类号：

摘要：

Through the innovation of fixtures in a small load testing machine for impact wear, the contact between a tube and a plane was realized to simulate the micro-amplitude impact wear between a tube and an anti-vibration bar in a steam generator. Here, a 690 alloy tube and 405 stainless steel were selected as the test materials. Micro-amplitude impact wear tests were conducted with different impact loads and lubrication conditions (dry and deionized water).The wear and damage mechanisms of 690 alloy were investigated through analyzing polishing scratch area, micro-topography, fracture morphology, and micro hardness, etc. The results showed that the wear mechanism of 690 alloy under the small load and dry conditions is oxidation it is oxidation and fatigue wear under growing loads; under deionized water, a slight damage can be found with small loads, and the wear mechanism is fatigue wear under growing loads; water liquid delays the cracking time significantly. ©, 2015, Chinese Vibration Engineering Society. All right reserved.

引用

页码：14 / 18

页数：4

共 12 条

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