Effect of Crack Length on Crack Growth Characteristics in Glass Ceramics and Soda-Lime Glass

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概要

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• New crack length measurement methods using thin metal film were proposed in order to evaluate the crack growth characteristics during static fatigue process of ceramics. Also, the effect of crack length on the crack growth characteristics was investigated using both soda-lime glass and glass ceramics specimens. As the results, it was found that in the soda-lime glass, there is no difference between small- and long-crack growth characteristics. On the other hand, in the glass ceramics, it was found that sub-critical crack growth (SCG) resistance in small-crack propagation test is higher than that in long-crack propagation test. In addition, it is confirmed that the glass ceramics has higher SCG resistance than that in the soda-lime glass. Furthermore, it was confirmed that the proposed crack length measurement method is suitable for crack growth characteristics evaluation on ceramics.

著者

• Ikeda Kiyohiko

  University of Miyazaki

• Kaizu Koichi

  University of Miyazaki

• Kinoshita Hiroyuki

  University of Miyazaki

• TOKUNAGA Hitoo

  Dept. of Mechanical Engineering, Ube National College of Technology

• KAIZU Koichi

  University of Hyogo

関連論文

• E-9 EFFECT OF RESIDUAL STRESS ON SLOW CRACK GROWTH AND STATIC FATIGUE BEHAVIORS IN THERMALLY TEMPERED GLASS(Session: Fatique/SCG)
• E-8 SUBCRITICAL CRACK GROWTH IN THERMALLY TEMPERED GLASS : EVALUATION BY INDENTATION-INDUCED MICROCRACKS(Session: Fatique/SCG)
• E-20 DISTORTION AND JOINT STRENGTH OF RIVETED PLATES(Session: Mechanical Behavior)
• Effect of Crack Length on Crack Growth Characteristics in Glass Ceramics and Soda-Lime Glass
• Development of High Strength Fly Ash Glass-ceramics by Concrete Sludge Addition

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