STATISTICAL NATURE OF FATIGUE CRACK-PROPAGATION

被引：314

作者：

VIRKLER, DA ^{[1
]}

HILLBERRY, BM ^{[1
]}

GOEL, PK ^{[1
]}

机构：

[1] PURDUE UNIV,DEPT STAT,W LAFAYETTE,IN 47907

来源：

JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME | 1979年 / 101卷 / 02期

关键词：

D O I：

10.1115/1.3443666

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A statistical investigation of the fatigue crack propagation process was conducted. Sixty-eight replicate constant amplitude crack propagation tests were conducted nn 2024-T3 aluminum alloy. From the experimental data, the distribution of N was found to be represented best by the 3-parameter log-normal distribution. Six grouth rate calculation methods were investigated and a modified secant method was found to introduce the least amount of error into the growth rate data. No one single distribution was found to describe the distribution of da/dN. A prediction scheme using the distribution parameters of da/dN was partially successful. © 1979 by ASME.

引用

页码：148 / 153

页数：6