Floating Free Resonance Method for Precise Evaluation of Bearing Balls(NDE3)
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概要
- 論文の詳細を見る
Although the resonant ultrasound spectroscopy (RUS) is useful for efficient testing of surface and inside of objects, the resonance property (resonance frequency and mode amplitudes) is influenced by the boundary conditions of supports. To eliminate this influence, we propose a floating resonance method where the resonance property is evaluated after floating the objects, using the non-contact measurement by laser ultrasonics. In a preliminary application to bearing balls, we succeeded to float a 8 mm diameter steel bearing ball by controlled air flow and to improve the reproducibility of resonance frequency to better than 0.005 %.
- 一般社団法人日本機械学会の論文
- 2001-10-20
著者
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Ishikawa Satoru
Department Of Materials Processing Graduate School Of Engineering Tohoku University
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Ishikawa Satoru
Department Of Environmental Chemistry Heavy Metal Group Soil Biochemistry Unit National Institute Fo
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Cho Hideo
Department Of Materials Processing Graduate School Of Engineering Tohoku University
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Saito Arata
Department Of Materials Processing Graduate School Of Engineering Tohoku University
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Yamanaka Kazushi
Department Of Applied Physics Faculty Of Engineering University Of Tokyo:(present Address)mechanical
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Ishikawa Satoru
Department Of Applied Physics Graduate School Of Engineering Tohoku University
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