Intralaboratory Repeatability of Residual Stress Determined by the Slitting Method
نویسندگان
چکیده
منابع مشابه
Stress Variations Effect on the Accuracy of Slitting Method for Measuring Residual Stresses
To maintain the structural integrity of the engineering components, having an exact knowledge of residual stresses is important. Among all mechanical strain relief techniques to measure residual stresses, slitting is one of the youngest. This technique relies on the introduction of a narrow slot of increasing depth in a part containing residual stresses. Similar to other measurement techniques,...
متن کاملInvestigation of Important Parameters in Residual Stress Determination in Isotropic Plates and Laminated Composites by Slitting Method
In the slitting method, a small width slit is created incrementally through the thickness of the stressed specimen and the released strains in each increment are recorded by a strain gauge. Compliance coefficients relate the measured strains to the residual stresses. This paper investigates the important parameters influencing the calculation of compliance coefficients for isotropic plates and ...
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Residual Stress measurement has gained interests among researchers for many years due to its great influence on the structural integrity. Slitting method is one of the destructive techniques that relies on the introduction of an increasing cut to a part containing residual stresses. Similar to all other mechanical strain relief techniques, slitting also suffers from its shortcomings during the ...
متن کاملResidual Stress Solution Extrapolation for the Slitting Method Using Equilibrium Constraints
Established methods for calculating residual stresses from the strains measured when using the slitting method give results for the stresses that exist within the depth range of the slit. Practical considerations typically limit this range to about 90-95% of the specimen thickness. Force and moment equilibrium can provide additional information that may be used to estimate the residual stresses...
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In this research, the effect of different welding parameters on residual stress and microstructure of the weld region, as well as the comparison of two methods of measuring residual stress using critical fracture longitudinal wave method and preformation method have been investigated. For this purpose, the taguchi DOE methodology is used as a statistical method to optimize four parameters of pu...
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ژورنال
عنوان ژورنال: Experimental Mechanics
سال: 2007
ISSN: 0014-4851,1741-2765
DOI: 10.1007/s11340-007-9085-1