516 超音波共振法による球状試料の残留応力の評価(OS9-2 衝撃と種々の測定法,OS9 実験力学における新たな試み)

概要

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In this study, RUS(resonant ultrasound spectroscopy) is suggested as a measurement method of residual stress in spherical specimens. At first, the model of spherical specimen is made for FEM and natural frequency of spherical specimen is calculated due to use this FEM model. Second, resonant frequency of spherical specimen is measured for RUS measurement system that consists of two transducers, spectrum-analyzer, and load cell. RUS is the measurement system due to compare calculated natural frequency for FEM with measured resonant frequency for experiment. As these results, calculated natural frequency is similar change to measured resonant frequency when residual stress is changed. So, RUS can be measured residual stress.
一般社団法人日本機械学会の論文
2007-10-24