Influences of Hydrostatic Pressure and Stress Distribution on Rupture of Marble Cylinder in Torsion

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概要

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• This paper presents both the experiments and the explanations on the influences of hydrostatic pressure and the stress distribution upon the rupture of a marble cylinder in torsion. In the experiments coated and naked hollow and solid cylinders were twisted under hydrostatic pressure, and the following informations were obtained. (1) The yield point of a coated cylinder is remarkably influenced by hydrostatic pressure, and the stress at the yield point rises proportionally to hydrostatic pressure. A crack reaches near the center of the cylinder firstly at the yield point, and such a crack comes out successively as the shearing strain increases after the yield point. (2) The effects of hydrostatic pressure and the stress distribution upon the rupture of the coated cylinder are respectively accounted for by Nakanishi's theory on the rupture of brittle materials. (3) In a naked cylinder, pressure oil penetrates into the material, so the influence of hydrostatic pressure can not be recognized so much as in the coated cylinder.

• 一般社団法人日本機械学会の論文

著者

• NAGAI Fumio

  Tokyo Institute of Technology

• Nagai Fumio

  Tokyo Institute Of Technology.

• SATO Yasuo

  Tokyo Institute of Technology

関連論文

• The Effect of Pressure Field on Bursting of Brittle Materials : The Second Report ; Bursting of Graphite and Cast Iron Cylinders under Lateral Fluid Pressure
• Yielding of Mild Steel Rotor having Blades under Rotation
• Bursting Strength of High-Speed Rotor with Rim, Boss and Blades
• Influences of Hydrostatic Pressure and Stress Distribution on Rupture of Marble Cylinder in Torsion
• The Effect of Pressure Fluid on Bursting of Brittle Materials : The First Report : Bursting of Cast Iron Cylinder under Internal Pressure
• Bursting of Brittle Materials due to Penetration of Pressure Fluid : 1st Report, Experiment
• Influence of Boss on Burst of High Speed Rotor
• Relation between Ultimate Pressure and Thickness of Wall of Cylindrical Pressure Vessels
• Rotating Strength of High Speed Rotor

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