G110023 脆性材料のき裂進展を応用した割断加工に関する基礎研究([G11002]機素潤滑設計部門一般セッション(2))

概要

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The present study describes breaking process of glass bar having radial cracks induced by Vickers indentation technique. Vickers impressions were introduced on the center of the glass bar at various indent loads and specific interval perpendicular to the longitudinal direction. The breaking process was carried out at 3-point bending technique using an electro mechanical testing apparatus at a constant cross head speed in air. The fracture surface morphology was evaluated with an optical micro scope and stylus profile meter. Results showed that the surface morphology including roughness and straightness generated after the breaking process was different depending on the indenting condition a flat surface with straightness was obtained at the indenting condition of 5 N of applied load and at a 70 of the interval.
一般社団法人日本機械学会の論文
2011-09-11