A Description of the Yield-Point Phenomenon of Carbon Steel Based on the Random Barriers Theory

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概要

• 論文の詳細を見る

• An approach to the description of the yield-point phenomenon of carbon steel was presented by the considering the behavior of the moving dislocations in the resisting force field of the random barriers theory. By reflecting the catastrophic increase of movable dislocations freed from any locking atmospheres in the internal structure variable in the theory, the equations expressing the stress decrement at the upper yield point and the yield-point elongation were derived. Through the examination of the test results for several annealed steels, it was clarified that the upper and lower yield points as well as the yield-point elongation of these metals could be described systematically with the area fraction of pearlite in a ferrite matrix.

• 一般社団法人日本機械学会の論文
• 1990-07-15

著者

• Obataya Y

  Fukui Univ. Fukui Jpn

• Obataya Yoichi

  Faculty Of Engineering Fukui University

• Kohno Shinobu

  Faculty Of Engineering Fukui University

関連論文

• A Description of Tensile Stress-strain Curve Based on the Random Barriers Theory
• Rate-dependent Behavior in Cyclic Plasticity : Description Based on the Random Barriers Theory
• Effects of Variations of the Maximum Stress and Stress Ratio on the Behaviors of Biaxial Mechanical Ratcheting
• A Constitutive Equation in Cyclic Plasticity Based on the Random Barriers Theory
• Effect of Thermal Fluctuations in Cyclic Plasticity
• A Description of the Yield-Point Phenomenon of Carbon Steel Based on the Random Barriers Theory

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