New Development of the Multiple Strata Plasticity Model

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概要

• 論文の詳細を見る

• The multiple strata plasticity model, which was presented in the previous paper by introducing the tensor Q expressing the activating state of slip systems in the polycrystalline metal, has been developed with a new internal state factor B_5. This factor B_5 denotes the ratio of the grains with activating slip systems greater than five to the total grains. The variation features of B_5 and Q can be computationally evaluated with a virtual polycrystalline specimen. The microstructure state, such as dislocation density can be reflected in the internal structure variable A in this model. The relationship between B_5 and A has been examined on the tensile flow curve of pure copper. As a result, a simple formula connecting A with B_5 was determined. Moreover, it has been clarified that this formula is applicable for describing the plastic deformations under other proportional loadings.

• 一般社団法人日本機械学会の論文
• 2001-01-15

著者

• Itoh Takamoto

  Department of Mechanical Engineering, University of Fukui

• Kato T

  Department Of Mechanical Engineering Faculty Of Engineering Fukui University

• Itoh T

  Department Of Mechanical Engineering Faculty Of Engineering Fukui University

• OBATAYA Yoichi

  Department of Mechanical Engineering, Faculty of Engineering, Fukui University

• KATO Takaya

  Department of Mechanical Engineering, Faculty of Engineering, Fukui University

• Itoh Takamoto

  Department Of Mechanical Engineering University Of Fukui

• Obataya Yoichi

  Department Of Mechanical Engineering Faculty Of Engineering Fukui University

関連論文

• Study on Fatigue Life Evaluation Using Small Specimens for Testing Neutron-Irradiated Materials
• Study on Fatigue Life Evaluation Using Small Specimens for Testing Neutron-Irradiated Materials
• New Development of the Multiple Strata Plasticity Model
• Tension-Compression Asymmetry of Creep and Unilateral Creep Damage in Aluminum for Isothermal and Nonisothermal Processes

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