Fatigue Growth Analysis of a Surface Crack in a Solid Cylinder under Combined Cyclic Axial-Torsion Loading

被引：0
作者：
D. Chandra
I. S. Putra
A. K. Ariffin
N. A. Mardi
Y. Nukman
J. Purbolaksono
机构：
[1] University of Malaya,Centre of Advanced Manufacturing and Materials Processing, Department of Mechanical Engineering, Faculty of Engineering
[2] University of Andalas,Department of Mechanical Engineering, Faculty of Engineering
[3] Institute of Technology Bandung,Department of Aeronautics and Astronautics
[4] Universiti Kebangsaan Malaysia,Department of Mechanical and Materials Engineering, Faculty of Engineering and Built Environment
[5] University of Malaya,Manufacturing System Integration, Department of Mechanical Engineering, Faculty of Engineering
[6] Universiti Teknologi Brunei,Department of Mechanical Engineering, Faculty of Engineering
来源：
Experimental Techniques | 2016年 / 40卷
关键词：
Surface crack; Fatigue crack growth; Combined axial-torsion load; Experiment; Boundary element method;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, fatigue growth analyses of a surface crack in a solid cylinder under combined cyclic axial-torsion loadings through experimentation and numerical simulation are presented. The experimentation includes the preparation of inducing an initial surface crack in the specimens and the fatigue crack growth testing using a table top axial-torsion servo-hydraulic dynamic testing machine. The numerical modeling for the fatigue crack growths was simulated by using a dual boundary element method software package. The crack growth paths and the fatigue lives for different loading cases and crack aspect ratios obtained from the experiments were shown to be in good agreements with those by the numerical simulations. The changes of the angles of the crack growth direction predicted by the numerical simulations and the fracture surface condition of the specimens are also presented and discussed.
引用
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页码：1397 / 1407
页数：10
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