西南石油大学学报(自然科学版) ›› 1990, Vol. 12 ›› Issue (2): 84-91.DOI: 10.3863/j.issn.1000-2634.1990.02.10

• 论文 • 上一篇    下一篇

海洋结构用钢的临界腐蚀疲劳试验研究

徐志跃

  

  1. 石油机械系
  • 收稿日期:1989-09-09 修回日期:1900-01-01 出版日期:1990-04-20 发布日期:1990-04-20

NEAR-THRESHOLD CORROSION FATIGUE OF MARINE STRUCTURAL STEELS

Xu Zhi-yue
  

  1. (Department of Mechanical Engineering)
  • Received:1989-09-09 Revised:1900-01-01 Online:1990-04-20 Published:1990-04-20

摘要: 本文对两种新的高强度低合金钢在不同介质,阴极保护点位和载荷频率下的亚临界腐蚀疲劳特性进行了实验研究。实验得出了上述各因素对腐蚀疲劳裂纹扩展速率的影响结果,并对各因素影响裂纹扩展速率的原因进行了分析。

关键词: 腐蚀疲劳, 阴极保护, 裂纹闭合, 新型材料, 实验研究

Abstract:

The test study of the corrosion fatigue of two new high strength low alloy steels potentials is conducted under different corrosion environments, cathodic stress frequencies. The effect of the above factors on the corrosion fatigue crack propagation rate is described and analyzed in this paper.

Key words: Corrosion fatigue, Cathodic protection, Crack closure