Role of different material processing methods on the fatigue behavior of an AZ31 magnesium alloy

M. Lugo; J. B. Jordon; Kiran Solanki; L. G. Hector; J. D. Bernard; A. A. Luo; M. F. Horstemeyer

doi:10.1016/j.ijfatigue.2013.02.017

Role of different material processing methods on the fatigue behavior of an AZ31 magnesium alloy

M. Lugo, J. B. Jordon, Kiran Solanki, L. G. Hector, J. D. Bernard, A. A. Luo, M. F. Horstemeyer

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

The influence of extrusion, plate rolling, and sheet rolling on the fatigue life of an AZ31 magnesium alloy is investigated with a microstructure-sensitive fatigue model that comprises both crack incubation and growth stages. The model describes the effect of primary processing on the microstructure by incorporating specific mechanical properties and microstructural attributes such as grain and inclusion sizes. As such, the fatigue model successfully captured the experimentally observed differences in fatigue lifetimes of the Mg alloy due to the induced in-plane constraint effects resulting from different material processing methods. Quantitative prediction of cumulative damage due to cyclic loading and its comparison with experimental data is described in detail.

Original language	English (US)
Pages (from-to)	131-143
Number of pages	13
Journal	International Journal of Fatigue
Volume	52
DOIs	https://doi.org/10.1016/j.ijfatigue.2013.02.017
State	Published - Jul 1 2013

Keywords

Fatigue
Magnesium alloys
Manufacturing process
Microstructure

ASJC Scopus subject areas

Modeling and Simulation
General Materials Science
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.ijfatigue.2013.02.017

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title = "Role of different material processing methods on the fatigue behavior of an AZ31 magnesium alloy",

abstract = "The influence of extrusion, plate rolling, and sheet rolling on the fatigue life of an AZ31 magnesium alloy is investigated with a microstructure-sensitive fatigue model that comprises both crack incubation and growth stages. The model describes the effect of primary processing on the microstructure by incorporating specific mechanical properties and microstructural attributes such as grain and inclusion sizes. As such, the fatigue model successfully captured the experimentally observed differences in fatigue lifetimes of the Mg alloy due to the induced in-plane constraint effects resulting from different material processing methods. Quantitative prediction of cumulative damage due to cyclic loading and its comparison with experimental data is described in detail.",

keywords = "Fatigue, Magnesium alloys, Manufacturing process, Microstructure",

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AU - Lugo, M.

AU - Jordon, J. B.

AU - Solanki, Kiran

AU - Hector, L. G.

AU - Bernard, J. D.

AU - Luo, A. A.

AU - Horstemeyer, M. F.

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N2 - The influence of extrusion, plate rolling, and sheet rolling on the fatigue life of an AZ31 magnesium alloy is investigated with a microstructure-sensitive fatigue model that comprises both crack incubation and growth stages. The model describes the effect of primary processing on the microstructure by incorporating specific mechanical properties and microstructural attributes such as grain and inclusion sizes. As such, the fatigue model successfully captured the experimentally observed differences in fatigue lifetimes of the Mg alloy due to the induced in-plane constraint effects resulting from different material processing methods. Quantitative prediction of cumulative damage due to cyclic loading and its comparison with experimental data is described in detail.

AB - The influence of extrusion, plate rolling, and sheet rolling on the fatigue life of an AZ31 magnesium alloy is investigated with a microstructure-sensitive fatigue model that comprises both crack incubation and growth stages. The model describes the effect of primary processing on the microstructure by incorporating specific mechanical properties and microstructural attributes such as grain and inclusion sizes. As such, the fatigue model successfully captured the experimentally observed differences in fatigue lifetimes of the Mg alloy due to the induced in-plane constraint effects resulting from different material processing methods. Quantitative prediction of cumulative damage due to cyclic loading and its comparison with experimental data is described in detail.

KW - Fatigue

KW - Magnesium alloys

KW - Manufacturing process

KW - Microstructure

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Role of different material processing methods on the fatigue behavior of an AZ31 magnesium alloy

Abstract

Keywords

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