High-speed Impact Deformation and Evaluation of Experimental Parameters

Masao Komatsu Academic Frontier Research Center for Ultra-high-speed Plastic Deformation, Hiroshima Institute of Technology, Miyake 2-1-1, Saeki-ku, Hiroshima, 731-5193, Japan

Michio Kiritani Academic Frontier Research Center for Ultra-high-speed Plastic Deformation, Hiroshima Institute of Technology, Miyake 2-1-1, Saeki-ku, Hiroshima, 731-5193, Japan

Design and specifications of an impact compression and elongation apparatus are presented. A method for attaining higher strain rate is explained. An effort is made to minimize occurrence of low-speed deformation in a high-speed deformation experiment. Internal stress during high-speed impact compression is evaluated as a function of strain rate. Also, temperature rise during high-speed deformation is estimated.

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High-speed Impact Deformation and Evaluation of Experimental Parameters

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