Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Miscellanea Vol. 11, No. 41 (2017)

On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories

Author and affiliation details
  • Marco Antonio Meggiolaro Corresponding author meggi@puc-rio.br
  • Jaime Tupiassú Pinho de Castro
  • Samuel Elias Ferreira
  • Hao Wu
DOI
10.3221/IGF-ESIS.41.14
Pages
Pages 98-105
Published
Published inVol. 11, No. 41 (2017)Go to the issue

Abstract

Fatigue design routines and computer codes must use some damage accumulation rule to deal with variable amplitude loadings (VAL), usually Palmgren-Miner (or Miner’s) linear rule for lack of a clearly better option. Nevertheless, fatigue lives are intrinsically sensitive to the order of VAL events, which may e.g. induce residual stresses and thus change the critical point stress state, much affecting its subsequent residual life. On the other hand, in general, non-linear damage accumulation rules are not robust, resulting in better predictions than Miner’s rule only for some specific load orders, requiring a case-by-case analysis. Therefore, Miner’s linear damage rule still is the usual choice in practical fatigue calculations and assessments, giving reasonable predictions at least when properly combined with approaches that sequentially consider plasticity-induced effects, following the critical point stress/strain history in a cycle-by-cycle basis. In this work, Miner’s rule is evaluated for non-proportional tension-torsion loadings on annealed tubular 316L stainless steel specimens. Normal-shear strain histories following either cross, diamond, circular or square paths are applied, and their fatigue lives are measured. Then, more complex VAL paths consisting of combinations of these individual path shapes are applied in other specimens, whose associated fatigue lives are predicted based on Miner’s rule.

Keywords

How to cite

APA

Meggiolaro, M. A., Pinho de Castro, J. T., Ferreira, S. E., & Wu, H. (2017). On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories. Fracture and Structural Integrity, 11(41), Pages 98–105. https://doi.org/10.3221/IGF-ESIS.41.14

IEEE

M. A. Meggiolaro, J. T. Pinho de Castro, S. E. Ferreira, and H. Wu, “On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories,” Fracture and Structural Integrity, vol. 11, no. 41, pp. Pages 98–105, 2017, doi: 10.3221/IGF-ESIS.41.14.

MLA

Meggiolaro, Marco Antonio, et al. “On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories.” Fracture and Structural Integrity, vol. 11, no. 41, 2017, pp. Pages 98–105. https://doi.org/10.3221/IGF-ESIS.41.14.

Chicago

Meggiolaro, Marco Antonio, Jaime Tupiassú Pinho de Castro, Samuel Elias Ferreira, and Hao Wu. 2017. “On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories.” Fracture and Structural Integrity 11 (41): Pages 98–105. https://doi.org/10.3221/IGF-ESIS.41.14.

Harvard

Meggiolaro, M.A., Pinho de Castro, J.T., Ferreira, S.E. and Wu, H. (2017) ‘On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories’, Fracture and Structural Integrity, 11(41), pp. Pages 98–105. doi: 10.3221/IGF-ESIS.41.14.

Vancouver

Meggiolaro MA, Pinho de Castro JT, Ferreira SE, Wu H. On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories. Fracture and Structural Integrity. 2017;11(41):Pages 98-105. doi:10.3221/IGF-ESIS.41.14

BibTeX

@article{meggiolaro2017, author = {Meggiolaro, Marco Antonio and Pinho de Castro, Jaime Tupiassú and Ferreira, Samuel Elias and Wu, Hao}, title = {On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories}, journal = {Fracture and Structural Integrity}, year = {2017}, volume = {11}, number = {41}, pages = {Pages 98--105}, doi = {10.3221/IGF-ESIS.41.14}, url = {https://doi.org/10.3221/IGF-ESIS.41.14}, issn = {1971-8993} }

RIS

TY - JOUR AU - Meggiolaro, Marco Antonio AU - Pinho de Castro, Jaime Tupiassú AU - Ferreira, Samuel Elias AU - Wu, Hao TI - On the applicability of Miner’s rule for multiaxial fatigue life calculations under non-proportional load histories JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2017 DA - 2017/06/28 VL - 11 IS - 41 SP - Pages 98 EP - 105 DO - 10.3221/IGF-ESIS.41.14 UR - https://doi.org/10.3221/IGF-ESIS.41.14 SN - 1971-8993 ER -

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