不均質層を有する金属材料の曲げ応力‐ひずみ関係に及ぼす初期残留応力の影響

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タイトル別名
  • Effect of Initial Residual Stress on Bending Stress-Strain Relation of Laminated Inhomogeneous Metals
  • フキンシツソウ オ ユウスル キンゾク ザイリョウ ノ マゲ オウリョク ヒズ

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説明

This paper describes the bending stress-strain relation of laminated inhomogeneous plates. The relation was calculated so as to satisfy the equilibrium equations for bending deformation, in which the plate was divided into thin layers where the initial residual stress and the uniaxial stress-strain relation were given. On the other hand, the tempered and the quenched clad plates composed of low and medium carbon steels were used in the experiments in order to separate residual stress from laminated inhomogeneity. The experimental bending stress-surface strain curves differed little from the calculated values for the laminated inhomogeneous plates both with and without residual stress. It was found that the initial residual stress made the neutral line change in bending deformation, and that the calculated bending transverse strain change showed a close agreement with the experimental values. Consequently, this analysis is found effective to calculate the unmeasurable bending stress-strain relation of the inner layers in the plate.

収録刊行物

  • 材料

    材料 32 (352), 6-11, 1983

    公益社団法人 日本材料学会

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