FATIGUE CRACK CLOSURE FOLLOWING A STEP-INCREASE LOAD

被引：5

作者：

LO, KK

机构：

[1] Division of Engineering, Brown University, Providence, RI, 02912, United States

来源：

JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME | 1980年 / 47卷 / 04期

关键词：

Complex functions - Contact load - Dugdale-Barenblatt model - Fatigue crack closure - Plastic zone size;

D O I：

10.1115/1.3153795

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A Dugdale-Barenblatt model is used to examine the effects of crack closure following a step increase in the applied cyclic loading. Complex function formulation is employed to calculate opening and contact loads. It is shown that the effect of previous history of loading on crack growth is significant only when the extent of crack growth is within about one plastic zone size. © 1980 by ASME.

引用

页码：811 / 815

页数：5