On Axially Symmetrical Residual Stresses in Bars with Longitudinally Nonuniform Stress Distribution

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概要

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• New equations for calculations of residual stress distribution are theoretically derived for solid cylinders. The initial distribution of the stresses including the shearing stress is computed from longitudinal distribution of residual stresses measured at a surface after removal of concentric successive layers of material. For an example, the residual stresses of a specimen quenched in iced water form the temperature below the phase transformation point were measured by the X-ray methods. Then initial residual stress distribution was numerically computed. A comparison of the values by the new calculations and by the conventional method, which assumes the longitudinal distribution of the stresses as uniform, is made and the results are discussed. The end effect is taken into account in this paper, so that the residual stress distribution in short cylinders can be determined.

• 一般社団法人日本機械学会の論文

著者

• Kawada Yuichi

  Tokyo Metropolitan University

• Kawada Yuichi

  Tokyo Metropolitan College Of Engineering

• NISHIMURA Tadashi

  Mechanical Engineering Department, Tokyo Metropolitan University

• KODAMA Shotaro

  Mechanical Engineering Department, Tokyo Metropolitan University

• Kodama Shotaro

  Mechanical Engineering Department Tokyo Metropolitan University

• Nishimura Tadashi

  Mechanical Engineering Department Tokyo Metropolitan University

関連論文

• Some Experiments on the Fatigue Life under Double and Triple Stresses
• On the Crack Propagation by Cyclic Stresses below the Fatigue Limit in Specimens with a Pinhole
• Fatigue Strength of Plain and Notched Bars under Pulsating Load Varying in Two Stages
• On Axially Symmetrical Residual Stresses in Bars with Longitudinally Nonuniform Stress Distribution
• Effects of the Stress Amplitudes Below the Fatigue Limit on Fatigue Lives in the Cylindrical Specimens Having a V-shape Groove
• The Crack Propagation by the Stress Amplitude below the Fatigue Limit
• A Study on the Residual Stress Distributions by Turning

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