Biaxial Low-Cycle Fatigue of Anisotropic Rolled Steel Plates

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概要

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• The biaxial low-cycle fatigue properties of anisotropic rolled steel plates were investigated. Biaxial low-cycle fatigue tests were conducted by utilizing the principle of anticlastic bending of flat rhombic plates. Crack initiation and propagation were examined with special reference to angles between the applied principal stress axes and the anisotropy axes of the material studied. The biaxial fatigue life of anisotropic specimens cut out in a given direction satisfied a linear relation on a log-log scale between an equivalent strain range and the number of cycles to failure. The direction of crack initiation under the uniaxial and biaxial stress conditions was coincident with that of the maximum shear stress. The fatigue life under the uniaxial stress condition was shorter than that determined under the biaxial stress condition for a given value of the equivalent strain range. The discrepancies were interpreted in terms of both normal stress component acting on the crack surface and the modes of crack propagation.

• 一般社団法人日本機械学会の論文

著者

• Ogura Keiji

  Assistant Professor Faculty Of Engineering Osaka University

• HARADA Shoji

  Research Assistant, Faculty of Engineering, Osaka University

• OHJI Kiyotsugu

  Faculty of Engineering, Osaka University

• OGURA Keiji

  Faculty of Engineering, Osaka University

• HARADA Shoji

  Faculty of Engineering, Osaka University

• SENGA Heizo

  Kobe Steel, Ltd.

• Ogura Keiji

  Faculty Of Engineering Science Osaka University

• Senga Heizo

  Kobe Steel Ltd.

• Harada Shoji

  Research Assistant Faculty Of Engineering Osaka University

• Ohji Kiyotsugu

  Professor Faculty Of Engineering Osaka University

• Ohji Kiyotsugu

  Faculty Of Engineering Osaka University

• Harada Shoji

  Faculty Of Engineering Osaka University

関連論文

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• Fatigue Behavior of Anisotropic Rolled Steel Plates under Cyclic Torsion
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