607 セラミックスの静的負荷による圧痕まわりの表面損傷とき裂進展(II)(GS-12 材料力学)

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概要

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• This paper presents the surface damage and the formation of cracks in indented ceramic materials under quasi-static loading. There different materials, Al2O3, Si3N4 and SiC were prepared for specimens, and their polished surfaces of the sample were indented with a round diamond indenter. After indentation, length, depth and number of cracks were measured and the results were analyzed and discussed. It was concluded from the present experiments that the regular pattern of the occurrence and development of crack length and depth obeys the weibull's distribution. In this paper we use the depth and diameter of an indentation to represent the influence of loading on the indentation shapes. The mean crack length around an indentation can be estimated with the experimental formula.

• 一般社団法人日本機械学会の論文
• 2005-09-09

著者

• 根津 辰行

  一関高専

• 中野 貴仁

  一関高専

関連論文

• 607 セラミックスの静的負荷による圧痕まわりの表面損傷とき裂進展(II)(GS-12 材料力学)
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• 704 繊維強化プラスチックスの疲労に関する研究(材料・設計(4))

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