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Anisotropic Fatigue Modeling Of Wrought Magnesium Alloys

Anisotropic Fatigue Modeling Of Wrought Magnesium Alloys

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Title: Anisotropic Fatigue Modeling Of Wrought Magnesium Alloys
Author: Pahlevanpour, Amirhossein
Behravesh, Seyed Behzad
Jahed, Hamid
Identifier: CSME135
Abstract: The merit of Jahed-Varvani (JV) as an energy-based model and Smith-Watson-Toper (SWT) as a critical plane fatigue model are assessed for three wrought magnesium alloys. The raw data, including the stabilized strain-stress hysteresis loops and strain-life curves, was collected from the literature. The SWT model provided more scattered predictions than the JV model, which suggests that the JV model is more appropriate for fatigue modeling of wrought magnesium alloys, that exhibit anisotropic and asymmetric behavior. A discussion justifies the differences between the predictions of the two models. Eventually, the life of the materials in different directions is predicted by one set of JV parameters, which was previously extracted for AM30 in the transverse direction. The promising results provide supplementary support for the auspicious capability of strain energy density as a damage parameter for wrought magnesium alloys.
Subject: Engineering Analysis & Design
Materials Technology
Magnesium
Wrought; anisotropy
Fatigue
Modeling
Type: Article
Rights: The copyright for the paper content remains with the author.
URI: http://hdl.handle.net/10315/35401
http://dx.doi.org/10.25071/10315/35401
Published: CSME-SCGM
ISBN: 978-1-77355-023-7
Date: 2018-05

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