Analysis of the effect of out-of-phase biaxial fatigue loads on crack paths in cruciform specimens using XFEM

Infante-García, Diego; Qian, Guian; Miguélez, H.; Giner, Eugenio

doi:10.1016/j.ijfatigue.2019.01.019

Cited by 24 publications

(9 citation statements)

References 31 publications

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“…The differences found are mainly caused by the error introduced by the numerical stress field approximation. In addition, the results show that the crack orienta- II ) criterion for loading cases 1 and 2 for the Westergaard's problem of reference (solved using the analytical expressions in [13]). tion predicted by min(∆τ ) criterion is similar to the angles predicted by the maximum ∆σ n criterion.…”

Section: The Minimum Shear Stress Range Criterionmentioning

confidence: 88%

“…K II is needed to estimate k * II as detailed e.g. in [13] and [25]. Different approaches can be followed in order to search for the prospective angle or angles where the condition of min(∆τ ) occurs.…”

Section: The Minimum Shear Stress Range Criterionmentioning

confidence: 99%

“…However, the criterion of max(∆k * I ) predicted better results in a 35NCD16 steel. Other authors have pointed out that, under non-proportional conditions, a crack follows a trajectory minimizing ∆K II [12][13][14][15][16]. For example, Kitagawa et al [12] and Qian et al [15] found that ∆K II was almost zero along the crack paths in cruciform specimens under biaxial out-of-phase loading.…”

Section: Introductionmentioning

confidence: 99%

“…Figure 3: Loading cycle in terms of exact SIFs and application of the min(∆k *II ) criterion for loading cases 1 and 2 for the Westergaard's problem of reference (solved using the analytical expressions in[13]). …”

mentioning

confidence: 99%

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The minimum shear stress range criterion and its application to crack orientation prediction in incomplete contact fretting problems

Infante-García

Llavori

Zabala

et al. 2019

International Journal of Fatigue

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A proper prediction of crack paths is required when assessing accurately the fatigue crack propagation life. Recently, some authors have pointed out that the criterion of minimum shear stress range leads to inconsistent results when predicting fretting crack paths under incomplete contacts. In this paper, different fretting experiments with cylinder-to-flat contact found in the literature are reviewed, and the corresponding crack path prediction using the extended finite element method and the minimum shear stress range crack orientation criterion is performed. Results show the applicability of the criterion to predict the crack orientation during stage II in incomplete contact fretting problems.

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Section: The Minimum Shear Stress Range Criterionmentioning

confidence: 88%

Section: The Minimum Shear Stress Range Criterionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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The minimum shear stress range criterion and its application to crack orientation prediction in incomplete contact fretting problems

Infante-García

Llavori

Zabala

et al. 2019

International Journal of Fatigue

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“…Mall and Perel () observed the bifurcation behavior of 45° slant crack during in‐plane biaxial tension fatigue with phase differences of 90° and 180°. Infante‐García, Qian, Miguélez, and Giner () simulated the FCG behavior of 45° slant cracks under biaxial loading using a finite element method based on linear elastic fracture mechanics. Symmetrical branching was predicted, and it was in good agreement with the experimental observations found in the literature.…”

Section: Discussionmentioning

confidence: 99%

Biaxial fatigue crack propagation behavior of ultrahigh molecular weight polyethylene reinforced by carbon nanofibers and hydroxyapatite

et al. 2019

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Ultrahigh molecular weight polyethylene (UHMWPE) artificial joint has remained the preferred polymer component in total joint replacement surgery. However, more and more concerns have been raised about the failure of UHMWPE components due to the initiation and propagation of cracks at the notches with fixed functions. For this reason, biaxial fatigue crack growth (FCG) experiments of UHMWPE reinforced by carbon nanofibers (CNF) and hydroxyapatite (HA) were carried out using elastic–plastic fracture mechanics theory. The FCG resistance of UHMWPE, UHMWPE/CNF, and UHMWPE/HA was compared, and the effects of stress ratio (R) value and phase difference on FCG rate were investigated. At the same time, the influence of loading path was considered, and the corresponding crack path was analyzed. Results suggest that UHMWPE/CNF has better FCG resistance and the FCG rate increases with the increase of R value and the existence of 180° phase difference. In addition, crack bifurcation behavior is not observed under nonproportional loading conditions. The findings in this study will provide experimental validation and data support for better clinical application of UHMWPE‐modified materials.

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Behaviour of Metastable and Stable Austenitic Stainless Steels Under Planar-Biaxial Load

Wolf

Henkel

Biermann

2020

Austenitic TRIP/TWIP Steels and Steel-Zirconia Composites

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Analysis of the effect of out-of-phase biaxial fatigue loads on crack paths in cruciform specimens using XFEM

Cited by 24 publications

References 31 publications

The minimum shear stress range criterion and its application to crack orientation prediction in incomplete contact fretting problems

The minimum shear stress range criterion and its application to crack orientation prediction in incomplete contact fretting problems

Biaxial fatigue crack propagation behavior of ultrahigh molecular weight polyethylene reinforced by carbon nanofibers and hydroxyapatite

Behaviour of Metastable and Stable Austenitic Stainless Steels Under Planar-Biaxial Load

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