A STOCHASTIC MODEL FOR CRACK INITIATION LIFE PREDICTION OF AN AUSTENITIC STAINLESS STEEL UNDER CONSTANT AMPLITUDE LOADING

Journal article

R Yahiaoui, R Noureddine, B Ait Saadi
Journal of the Serbian Society for Computational Mechanics/Vol, vol. 14, 2020, pp. 29--36

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APA Click to copy
Yahiaoui, R., Noureddine, R., & Saadi, B. A. (2020). A STOCHASTIC MODEL FOR CRACK INITIATION LIFE PREDICTION OF AN AUSTENITIC STAINLESS STEEL UNDER CONSTANT AMPLITUDE LOADING. Journal of the Serbian Society for Computational Mechanics/Vol, 14, 29–36.

Chicago/Turabian Click to copy
Yahiaoui, R, R Noureddine, and B Ait Saadi. “A STOCHASTIC MODEL FOR CRACK INITIATION LIFE PREDICTION OF AN AUSTENITIC STAINLESS STEEL UNDER CONSTANT AMPLITUDE LOADING.” Journal of the Serbian Society for Computational Mechanics/Vol 14 (2020): 29–36.

MLA Click to copy
Yahiaoui, R., et al. “A STOCHASTIC MODEL FOR CRACK INITIATION LIFE PREDICTION OF AN AUSTENITIC STAINLESS STEEL UNDER CONSTANT AMPLITUDE LOADING.” Journal of the Serbian Society for Computational Mechanics/Vol, vol. 14, 2020, pp. 29–36.

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@article{yahiaoui2020a,
  title = {A STOCHASTIC MODEL FOR CRACK INITIATION LIFE PREDICTION OF AN AUSTENITIC STAINLESS STEEL UNDER CONSTANT AMPLITUDE LOADING},
  year = {2020},
  journal = {Journal of the Serbian Society for Computational Mechanics/Vol},
  pages = {29--36},
  volume = {14},
  author = {Yahiaoui, R and Noureddine, R and Saadi, B Ait}
}

Abstract

Predicting crack initiation life (CIL) of a mechanical component or a structure in service remains difficult since the crack formation process is of stochastic nature. To ensure a high level of safety and reliability, it is essential to have an appropriate probability distribution law of the CIL to ensure that cracks can be detected before reaching a critical length. In the present study, a stochastic model is used to predict the number of cycles corresponding to the formation of a crack 500 µm long resulted from the nucleation, growth, and coalescence of multiple microcracks. The model is applied in the case of a 316L austenitic stainless steel for different plastic strain ranges.

Keywords:

Microcrack density, Coalescence, Crack initiation, 316L

A STOCHASTIC MODEL FOR CRACK INITIATION LIFE PREDICTION OF AN AUSTENITIC STAINLESS STEEL UNDER CONSTANT AMPLITUDE LOADING

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Abstract

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