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Effects of normal load on fretting corrosion fatigue of Alloy 690 in 285 °C pure water
Corrosion Science ( IF 8.3 ) Pub Date : 2018-08-01 , DOI: 10.1016/j.corsci.2018.07.010
Jiapeng Liao , Jibo Tan , Xinqiang Wu , Lichen Tang , Hao Qian , Yongcheng Xie

Abstract Fretting corrosion fatigue behaviour of Alloy 690 was investigated in 285 °C pure water under different normal loads. With increasing the normal load applied, the fatigue life decreased, more severe surface damage and subsurface deformation were observed. The effects of normal loads on crack characteristics on the longitudinal sections across the fretting fatigue scars and corrosion fatigue fractures were examined. Possible influence of the normal loads on initiation and propagation mechanisms of the fretting corrosion fatigue cracks of Alloy 690 in high-temperature pure water are discussed.

中文翻译:

285℃纯水中法向载荷对690合金微动腐蚀疲劳的影响

摘要 研究了690合金在285℃纯水中不同法向载荷下的微动腐蚀疲劳行为。随着施加的法向载荷的增加,疲劳寿命降低,观察到更严重的表面损伤和次表面变形。研究了法向载荷对跨越微动疲劳疤痕和腐蚀疲劳断裂纵向截面的裂纹特征的影响。讨论了法向载荷对高温纯水中690合金微动腐蚀疲劳裂纹萌生和扩展机制的可能影响。
更新日期:2018-08-01
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