On the Dynamic Yield Condition under Combined Loading of Dynamic Torsion and Static Tension : In the Case of S45C and SS41

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概要

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• In this paper we devised a test device for applying dynamic torsion and static tension to a specimen. Using this device, some experiments were performed on mild steels (S45C and SS41) to examine dynamic yield condition. In addition the relations between stress and strain during plastic flow were studied on the basis of a plastic flow theory including a potential function. Consequently the following were obtained. Yield stresses of S45C and SS41 under the high strain rate of 50/s 〜90/s agreed with those by Mises' condition. Equivalent stress-strain relations under dynamic combined stresses also agreed with those under compressive stresses. The relations between Lode's parameter μ and ν seemed to be μ=ν. Consequently the above theory including a potential function seemed to be valid.

• 一般社団法人日本機械学会の論文

著者

• Hojo Akihiro

  Assistant Faculty Of Technology Kanazawa University

• CHATANI Akiyosi

  Assistant Professor, Faculty of Technology, Kanazawa University

• Chatani Akiyosi

  Assistant Professor Faculty Of Technology Kanazawa University

関連論文

• On the Dynamic Yield Condition under Combined Loading of Dynamic Torsion and Static Tension : In the Case of S45C and SS41

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