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Current and Challenge of Residual Stress Measurement Techniques

Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 9)

Publication Date:

Authors : ; ; ;

Page : 210-216

Keywords : Residual Stress; Hole drilling; X-ray diffraction; Laser Shearography; residual stress relaxation;

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Compressive residual stresses which prolong fatigue life and decrease the speed of initiation of crack, are desirable. Choosing a method for measuring the residual stress depends on many factors. To this regards some of the residual stresses measuring techniques, that divided into destructive and non-destructives methods, were reviewed in this study. For destructive techniques, hole drilling is the most method used due to well-established, cheap and simplicity of this method. For non-destructives techniques X-ray diffraction is the most used technique, due to versatile, widely available, wide range of materials and macro and micro residual stress measuring. All residual stress measurement techniques did not measure the stress directly; the stress was calculated after measuring the strain

Last modified: 2021-06-30 21:07:44