1442 マルコフ過程で表現した確率モデルによる損傷許容性セラミックス材料の強度分布特性評価(S07-1 セラミックスおよびセラミックス系複合材料I,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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In the present study, 4-point bending test was carried out by using porous ceramics to investigate statistical properties of damage-tolerant ceramics. Distribution of the bending strengths plotted on a Weibull probability paper was nonlinear and was very similar to superposed distribution. Consequently, the bending strength distribution was analyzed by cluster fracture probabilistic model with the basis of Markov process assuming the LLS rule. It is found that the probabilistic model agreed well than the 2-parameter Weibull distribution. Therefore this indicates that the bending strength distribution controls cluster size.
社団法人日本機械学会の論文
2008-08-02