A Description of Propagation of Short Fatigue Crack

LV Wen-ge; Luo Shao-ming

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A Description of Propagation of Short Fatigue Crack

更新时间：2026-05-27

- A Description of Propagation of Short Fatigue Crack
- Vol. 22, Issue 3, Pages: 25-28(2005)
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- Online First：02 July 2005，
  
  Published：2005
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吕文阁, 骆少明. 疲劳短裂纹扩展描述方法[J]. 广东工业大学学报, 2005, 22(3): 25-28.

LV Wen-ge, Luo Shao-ming. A Description of Propagation of Short Fatigue Crack[J]. 2005, 22(3): 25-28.
吕文阁, 骆少明. 疲劳短裂纹扩展描述方法[J]. 广东工业大学学报, 2005, 22(3): 25-28. DOI：

LV Wen-ge, Luo Shao-ming. A Description of Propagation of Short Fatigue Crack[J]. 2005, 22(3): 25-28. DOI：

摘要

提出了以裂纹顶端延伸位移幅度为驱动力参量的疲劳短裂纹扩展速率描述方法

在小变形情况下与Nisitani方程是一致的.以正火15MnVNq钢试验数据进行了验证

对疲劳短裂纹扩展速率描述结果表明

该方法是合理有效的.

Abstract

The crack-tip extension displacement range is utilized to describe the rate of short fatigue crack propagation.The test result of normalized 15MnVNq shows that the proposed method is effective and accurate.

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Keywords

references

Nisitani H.Behavior of small cracks in fatigue and relating phenomena. Tnaaka A, Tono M, Komai K. Research on Fatigue Cracks[C]Japan: The Society of Material Science . 1985

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