Fatigue crack growth rate model for metallic alloys

被引：15
|
作者：
Dimitriu, R. C. [1 ]
Bhadeshia, H. K. D. H. [1 ]
机构：
[1] Univ Cambridge, Cambridge CB2 3QZ, England
来源：
MATERIALS & DESIGN | 2010年 / 31卷 / 04期
关键词：
NEURAL-NETWORKS; HEAT-TREATMENT; PREDICTION; PROPAGATION; STEELS; THICKNESS; TOUGHNESS; BEHAVIOR;
D O I：
10.1016/j.matdes.2009.11.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A model has been created to allow the quantitative estimation of the fatigue crack growth rate in steels as a function of mechanical properties, test-specimen characteristics, stress-intensity range and test-frequency. With this design, the remarkable result is that the method which is based on steels, can be used without modification, and without any prior fatigue test. to estimate the crack growth rates in nickel, titanium and aluminium alloys. It appears therefore that a large proportion of the differences in the fatigue crack growth rate of metallic alloys can be explained in terms of the macroscopic tensile properties of the material rather than the details of the microstructure and chemical composition. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2134 / 2139
页数：6
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