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Apparatus for determining residual stress, method for determining residual stress data using it, residual stress determining method using it and recording medium thereof
Apparatus for determining residual stress, method for determining residual stress data using it, residual stress determining method using it and recording medium thereof
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机译:确定残余应力的设备,使用其确定残余应力数据的方法,使用其确定残余应力的方法及其记录介质
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摘要
Disclosed herein is an apparatus for measuring residual stress, methods of measuring residual stress data and residual stress using the apparatus, and a recording medium for storing software of the residual stress measuring method. The present invention is advantageous for evaluation of a mechanical material property and is non-destructive. Further, the present invention is widely applied to fields ranging from a microscopic area, such as a thin film or micro device, to a large-sized structure, and is not influenced by a microstructure by controlling the range of an applied load. Further, the measuring apparatus of the present invention is minimized in its volume to be easily attached to an actual structure. Further, in the present invention, various attaching devices are employed, thus enabling the apparatus to be attached to various materials regardless of the size and type of object materials to measure residual stress. Further, the measuring apparatus of the present invention is horizontally movable, so there is no need to move an apparatus body itself so as to take measurements at several positions of several materials. Further, the present invention does not require separate measurements for correcting experimental constants at the time of analyzing measured data.
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