Fatigue Crack Growth Behavior of Anisotropic Rolled Steel Plate with Special Reference to Laminated Structure and Inclusions

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概要

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• This paper deals with the fatigue crack growth behavior of an anisotropic rolled steel plate (SB56M). Two groups of materials were prepared by annealing and spheroidizing treatments, so that the effects of the laminated structure and the mechanical fibering of inclusion, both of which were produced by rolling, could be separated. The fatigue crack growth behavior in various anisotropy directions was examined microscopically as well as macroscopically. The crack growth behavior was much more anisotropic with the annealed material than with the spheroidized material. It is concluded with this class of the steel plate investigated that the anisotropy in the behavior of crack growth on the microscopic and macroscopic levels was primarily affected and controlled by the laminate structure, while the inclusions gave a secondary effect on the anisotropy of crack growth.

• 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

• OHJI Kiyotsugu

  Professor, Faculty of Engineering, Osaka University

• HARADA Shoji

  Research Assistant, Faculty of Engineering, Osaka University

• TAJI Tsutomu

  Engineer, Kobe Steel, Ltd.

• Taji Tsutomu

  Engineer Kobe Steel Ltd.

• Harada Shoji

  Research Assistant Faculty Of Engineering Osaka University

• Ohji Kiyotsugu

  Professor Faculty Of Engineering Osaka University

関連論文

• Fatigue Crack Growth Behavior of Anisotropic Rolled Steel Plate with Special Reference to Laminated Structure and Inclusions
• Fatigue Behavior of Anisotropic Rolled Steel Plates under Cyclic Torsion
• Observation of Low-Cycle Fatigue Crack Initiation and Propagation in Anisotropic Rolled Steel under Biaxial Stressing
• The Effect of Torsional Prestrain on the Tensile and Low-Cycle Fatigue Properties of Mild Steel
• Biaxial Low-Cycle Fatigue of Anisotropic Rolled Steel Plates

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