Prediction and evaluation of fatigue life considering material parameters distribution characteristic

Liu, Xintian; Liu, Jiazhi; Wang, Haijie; Yang, Xiaobing

doi:10.1108/ijsi-11-2021-0118

Cited by 23 publications

(16 citation statements)

References 38 publications

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“…Each specimen was polished in the longitudinal direction with increasingly finer grit up to 1,000 grit paper, due to the effect of surface roughness, with the first hardness measurement being performed before any loading cycles were applied (Liu et al, 2022a). Thereafter, the specimen was subjected to fatigue loading at room temperature for a number of cycles before the next hardness measurement was performed.…”

Section: Materials and Experimental Proceduresmentioning

confidence: 99%

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Hardness measurements as a technique for measuring accumulated fatigue damage

Bjørheim

Pavlou

Siriwardane

2022

IJSI

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PurposeBrinell, Vickers and low-force Vickers hardness measurements are herein adopted to investigate and quantify the fatigue damage evolution in specimens made of S355J2+AR ferritic pearlitic steel. Though nano and microhardness measurements have been well adopted, they require a strict preparation routine, whereas macroscopic hardness measurements are not as stringent.Design/methodology/approachThe feasibility of adopting macroscopic hardness measurements as a means of measuring fatigue damage is investigated through a combination of experimental tests and finite element analyses with both Brinell and Vickers hardness indenter.FindingsIt is found that the Brinell hardness measurements method seems more feasible, regarding finding a continuous and significant change during the fatigue life, in comparison to both Vickers and low-force Vickers. Thereafter, the question regarding the feasibility of the hardness measurements as a method of assessing accumulated fatigue damage in situ is discussed.Originality/valueMuch work has previously been performed towards correlation of the micro and nano hardness indentations, which generally has stringent preparation requirements before testing. Herein, the adoption of macroscopic hardness measurements as a means of assessing accumulated fatigue damage is considered both experimentally and theoretically.

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Section: Materials and Experimental Proceduresmentioning

confidence: 99%

Section: Materials and Experimental Proceduresmentioning

confidence: 99%

Hardness measurements as a technique for measuring accumulated fatigue damage

Bjørheim

Pavlou

Siriwardane

2022

IJSI

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“…And it is often manifested as more complex multiaxis fatigue failure. On the one hand, structural members are often subjected to complex multiaxial loading (Liu et al, 2022a;Zhu et al, 2018b); On the other hand, even under uniaxial loading, geometric discontinuities such as notch can lead to multiaxial fatigue damage in localized areas of the structural member (Sonsino, 2011;Zhu et al, 2019). A large number of test results show that under different strain paths with the same von Mises equivalent strain, the non-proportional loading fatigue life of components is much shorter than the proportional loading fatigue life (Liu and Mahadevan, 2005;Zhu et al, 2018a;Li et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…And it is often manifested as more complex multiaxis fatigue failure. On the one hand, structural members are often subjected to complex multiaxial loading (Liu et al. , 2022a; Zhu et al.…”

Section: Introductionmentioning

confidence: 99%

Multiaxial fatigue life prediction for metallic materials considering loading path and additional hardening effect

Liu

2022

IJSI

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PurposeA large number of data have proved that under the same von Mises equivalent strain condition, the fatigue life under multiaxial non-proportional loading is often much lower than the life under multiaxial proportional loading. This is mainly due to the influence of the non-proportional loading path and the additional hardening effect, which lead to a sharp decrease in life.Design/methodology/approachThe modulus attenuation effect is used to modify the static hardening coefficient, and the predicted value obtained is closer to the additional hardening coefficient obtained from the experiment. A fatigue life model can consider non-proportional paths, and additional hardening effects are proposed. And the model uses multiaxial fatigue test data to verify the validity and adaptability of the new model. The life prediction accuracy and material application range are satisfactory.FindingsBecause loading path and additional hardening of the material affect fatigue life, a new multiaxis fatigue life model based on the critical plane approach is proposed. And introducing a non-proportional additional damage coefficient, the joint influence of the load path and the additional hardening can be considered. The model's life prediction accuracy and material applicability were verified with multiaxial fatigue test data of eight materials and nine loads compared with the prediction accuracy of the Kandil–Brown–Miller (KBM) model and Fatemi–Socie (FS) model.Originality/valueThe physical meaning of the new model is clear, convenient for practical engineering applications.

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“…In the stress analysis of thin-walled cylindrical pressure vessels, many people think that the stresses received by cracks in different directions are hoop stress and axial stress, [20][21][22][23][24] the calculation method is adopting the analysis method of thin-walled cylinders. Some people would also think that the crack stress analysis of large liquid storage tanks is still obtained by the analysis method of thin-walled cylinders.…”

Section: Introductionmentioning

confidence: 99%

Fatigue life prediction of gasoline storage tank considering varying current density and weld stress

Yang

Liu

Lai

et al. 2022

Advances in Mechanical Engineering

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In the field of corrosion fatigue crack research, how to couple corrosion and fatigue under various conditions is a problem worthy of discussion. According to the electrochemical corrosion principles and the superposition principles, studies have been made on the interaction between corrosion and fatigue, and the relationship model between the corrosion fatigue crack size and the corrosion fatigue remaining life in the Corrosion of Hydrogen evolution (COHE) fatigue long crack growth stage is established. The feasibility of the model is verified by using the experimental data. According to the specific structure of the dislocation butt weld of large storage tank, the stress at the crack is calculated. Based on the above model and the experimental data, the corrosion fatigue residual life of large storage tank is predicted. The feasibility of the model is verified, which provides a new method for corrosion fatigue life prediction of large storage tanks.

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Prediction and evaluation of fatigue life considering material parameters distribution characteristic

Cited by 23 publications

References 38 publications

Hardness measurements as a technique for measuring accumulated fatigue damage

Hardness measurements as a technique for measuring accumulated fatigue damage

Multiaxial fatigue life prediction for metallic materials considering loading path and additional hardening effect

Fatigue life prediction of gasoline storage tank considering varying current density and weld stress

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