应力比及载荷频率对腐蚀疲劳断口形貌的影响

中国腐蚀与防护学报

1988, Vol. 8

Issue (4): 306-312

研究报告

本期目录 | 过刊浏览

应力比及载荷频率对腐蚀疲劳断口形貌的影响

黄淑菊;张平生;权高峰;宋余九

西安交通大学;西安交通大学;西安交通大学;西安交通大学

THE EFFECTS OF STRESS RATIOS AND FREQUENCY OF LOAD ON CORROSION FATIGEU FRACTOGRAPHY

Huang Shuju; Zhang Pingsheng; Quan Gaofeng and Song Yujiu (Xi'an Jiaotong University)

全文: PDF(2693 KB)

摘要: 本工作研究了应力比和载荷频率对高强度低碳硅锰钢在蒸馏水及3.5％NaCl溶液中腐蚀疲劳断口形貌的影响。试验结果表明,在介质影响疲劳裂纹扩展行为的范围内的断口上,随着应力比的增加或者载荷频率的减小,应力腐蚀开裂的断口形貌所占比例逐渐增加。根据多视域的观测结果,建立起了腐蚀疲劳断裂机制示意图。

Abstract：The change of corrosion fatigue(CF) fractography with stress ratio (R) and frequency (f) were studied in distilled water and 3.5％ NaCl aqueous solution. It is shown that the variations of CF fractography with increase in R or decrease in f are similar, i. e., the tendency of stress corrosion cracking (SCC)fractography increased with increase in R or decrease in f on CF fractography. A mechanism schetch map of crack propagation which indicated the influence of R and f on CF cracking mechanism was presented.

收稿日期: 1988-08-25

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引用本文:

黄淑菊;张平生;权高峰;宋余九. 应力比及载荷频率对腐蚀疲劳断口形貌的影响[J]. 中国腐蚀与防护学报, 1988, 8(4): 306-312.
. THE EFFECTS OF STRESS RATIOS AND FREQUENCY OF LOAD ON CORROSION FATIGEU FRACTOGRAPHY. J Chin Soc Corr Pro, 1988, 8(4): 306-312.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1988/V8/I4/306

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