Methods for randomization of parameters in the fatigue crack propagation law da/dN=C(.DELTA.K)m.

昌弘, 市川; 武夫, 中村

doi:10.2472/jsms.34.321

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2016

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Cited by 4 publications

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“…Such approaches to fatigue crack growth modeling in structural elements are based on the analysis of the stress state and take into account the scatter of crack growth resistance characteristic of certain conditions [28,29] described by the known distribution laws. To describe the parameters of the Paris equation, the normal and the log-normal distribution are mostly used [30].…”

Section: Introductionmentioning

confidence: 99%

Effect of the defect initial shape on the fatigue lifetime of a continuous casting machine roll

Yasniy

Lapusta

2016

Comptes Rendus. Mécanique

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The article deals with the influence of the defect initial shape on the residual lifetime of a continuous casting machine roll made of 25Cr1MoV steel. Based on this approach, previously proposed by some authors, the growth of the surface fatigue crack was modeled in a roll under loading and temperature conditions that are close to operational ones, taking into account the statistical distribution of the C parameter of Paris' equation. Dependencies of the continuous casting machines roll fatigue lifetime on the initial defect shape and critical defect sizes are obtained.

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Section: Introductionmentioning

confidence: 99%