Effect of Overload on the Near-Threshold Fatigue Crack Growth Rate in a 2024-T3 Aluminum Alloy: I. Effect of the Character, the Magnitude, and the Sequence of Overload on the Fatigue Crack Growth Rate

被引：1
|
作者：
Savkin, A. N. [1 ]
Sunder, R. [1 ]
Andronik, A. V. [1 ]
Sedov, A. A. [1 ]
机构：
[1] Volgograd State Tech Univ, Volgograd, Russia
来源：
RUSSIAN METALLURGY | 2018年 / Pleiades journals卷 / 11期
基金：
俄罗斯基础研究基金会;
关键词：
fatigue test; underload; overload; near-threshold growth rate;
D O I：
10.1134/S0036029518110113
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The results of overload and underload tests on aluminum specimens in the near-threshold crack growth rate region are discussed. These tests are performed to choose a model for predicting the fatigue life. The influence of the character and the magnitude of overload and underload on the fatigue crack growth time is analyzed. The obtained crack growth curves and the fatigue lives cannot be explained in terms of classical models, which makes it necessary to develop a new model.
引用
收藏
页码：1094 / 1099
页数：6
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