Multiaxial effects on LCF behaviour and fatigue failure of AZ31B magnesium extrusion

J. Albinmousa; H. Jahed

doi:10.1016/j.ijfatigue.2014.01.025

Multiaxial effects on LCF behaviour and fatigue failure of AZ31B magnesium extrusion

J. Albinmousa^*, H. Jahed

^*Corresponding author for this work

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

66 Scopus citations

Abstract

Multiaxial cyclic tests were performed on wrought AZ31B magnesium extrusion. Axial, torsional and multiaxial cyclic behaviours of the material are presented. Effects of phase angle on stress-strain response, cyclic hardening and fatigue life are discussed. It was found that the material exhibits additional cyclic hardening due to non-proportional loading. However, the phase angle has no pronounced effect on fatigue life. Fatigue cracking behaviour was examined and two characteristics of crack geometry, i.e., size and orientation, are presented. Multiaxial fatigue lives using the Fatemi-Socie and the Smith-Watson-Topper models were predicted. In addition, the Jahed-Varvani energy model was used for fatigue life prediction and was shown to have a potential to be evaluated at plane of maximum axial strain energy density. Reverse analysis for predicting fatigue life by pre-defined critical plane as the observed plane is discussed in details.

Original language	English
Pages (from-to)	103-116
Number of pages	14
Journal	International Journal of Fatigue
Volume	67
DOIs	https://doi.org/10.1016/j.ijfatigue.2014.01.025
State	Published - Oct 2014

Bibliographical note

Funding Information:
The first author would like to acknowledge the supported of King Fahd University of Petroleum & Minerals (KFUPM) for supporting part of this work under SABIC Fast Track, an internally funded project from DSR (Project No. SB121003). The authors acknowledge the financial support of AUTO21 Network Center of Excellence, the Natural Science and Engineering Research Council of Canada (NSERC), CANMET-Material Testing Laboratory, and the Canada foundation for Innovation (CFI). General Motors Research & Development Center, Warren, MI is acknowledged for making the extrusion material available. The Fatigue and Stress Analysis Laboratory of the University of Waterloo is acknowledged for providing the testing facilities.

Keywords

Critical plane
Magnesium alloys
Multiaxial fatigue
Phase angle
Strain energy

ASJC Scopus subject areas

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

Access to Document

10.1016/j.ijfatigue.2014.01.025

Cite this

@article{ee78607eb3244345a5b7aa2aaf8e529e,

title = "Multiaxial effects on LCF behaviour and fatigue failure of AZ31B magnesium extrusion",

abstract = "Multiaxial cyclic tests were performed on wrought AZ31B magnesium extrusion. Axial, torsional and multiaxial cyclic behaviours of the material are presented. Effects of phase angle on stress-strain response, cyclic hardening and fatigue life are discussed. It was found that the material exhibits additional cyclic hardening due to non-proportional loading. However, the phase angle has no pronounced effect on fatigue life. Fatigue cracking behaviour was examined and two characteristics of crack geometry, i.e., size and orientation, are presented. Multiaxial fatigue lives using the Fatemi-Socie and the Smith-Watson-Topper models were predicted. In addition, the Jahed-Varvani energy model was used for fatigue life prediction and was shown to have a potential to be evaluated at plane of maximum axial strain energy density. Reverse analysis for predicting fatigue life by pre-defined critical plane as the observed plane is discussed in details.",

keywords = "Critical plane, Magnesium alloys, Multiaxial fatigue, Phase angle, Strain energy",

author = "J. Albinmousa and H. Jahed",

note = "Funding Information: The first author would like to acknowledge the supported of King Fahd University of Petroleum \& Minerals (KFUPM) for supporting part of this work under SABIC Fast Track, an internally funded project from DSR (Project No. SB121003). The authors acknowledge the financial support of AUTO21 Network Center of Excellence, the Natural Science and Engineering Research Council of Canada (NSERC), CANMET-Material Testing Laboratory, and the Canada foundation for Innovation (CFI). General Motors Research \& Development Center, Warren, MI is acknowledged for making the extrusion material available. The Fatigue and Stress Analysis Laboratory of the University of Waterloo is acknowledged for providing the testing facilities. ",

year = "2014",

month = oct,

doi = "10.1016/j.ijfatigue.2014.01.025",

language = "English",

volume = "67",

pages = "103--116",

journal = "International Journal of Fatigue",

issn = "0142-1123",

publisher = "Elsevier Ltd.",

}

TY - JOUR

T1 - Multiaxial effects on LCF behaviour and fatigue failure of AZ31B magnesium extrusion

AU - Albinmousa, J.

AU - Jahed, H.

N1 - Funding Information: The first author would like to acknowledge the supported of King Fahd University of Petroleum & Minerals (KFUPM) for supporting part of this work under SABIC Fast Track, an internally funded project from DSR (Project No. SB121003). The authors acknowledge the financial support of AUTO21 Network Center of Excellence, the Natural Science and Engineering Research Council of Canada (NSERC), CANMET-Material Testing Laboratory, and the Canada foundation for Innovation (CFI). General Motors Research & Development Center, Warren, MI is acknowledged for making the extrusion material available. The Fatigue and Stress Analysis Laboratory of the University of Waterloo is acknowledged for providing the testing facilities.

PY - 2014/10

Y1 - 2014/10

N2 - Multiaxial cyclic tests were performed on wrought AZ31B magnesium extrusion. Axial, torsional and multiaxial cyclic behaviours of the material are presented. Effects of phase angle on stress-strain response, cyclic hardening and fatigue life are discussed. It was found that the material exhibits additional cyclic hardening due to non-proportional loading. However, the phase angle has no pronounced effect on fatigue life. Fatigue cracking behaviour was examined and two characteristics of crack geometry, i.e., size and orientation, are presented. Multiaxial fatigue lives using the Fatemi-Socie and the Smith-Watson-Topper models were predicted. In addition, the Jahed-Varvani energy model was used for fatigue life prediction and was shown to have a potential to be evaluated at plane of maximum axial strain energy density. Reverse analysis for predicting fatigue life by pre-defined critical plane as the observed plane is discussed in details.

AB - Multiaxial cyclic tests were performed on wrought AZ31B magnesium extrusion. Axial, torsional and multiaxial cyclic behaviours of the material are presented. Effects of phase angle on stress-strain response, cyclic hardening and fatigue life are discussed. It was found that the material exhibits additional cyclic hardening due to non-proportional loading. However, the phase angle has no pronounced effect on fatigue life. Fatigue cracking behaviour was examined and two characteristics of crack geometry, i.e., size and orientation, are presented. Multiaxial fatigue lives using the Fatemi-Socie and the Smith-Watson-Topper models were predicted. In addition, the Jahed-Varvani energy model was used for fatigue life prediction and was shown to have a potential to be evaluated at plane of maximum axial strain energy density. Reverse analysis for predicting fatigue life by pre-defined critical plane as the observed plane is discussed in details.

KW - Critical plane

KW - Magnesium alloys

KW - Multiaxial fatigue

KW - Phase angle

KW - Strain energy

UR - https://www.scopus.com/pages/publications/84904260124

U2 - 10.1016/j.ijfatigue.2014.01.025

DO - 10.1016/j.ijfatigue.2014.01.025

M3 - Article

AN - SCOPUS:84904260124

SN - 0142-1123

VL - 67

SP - 103

EP - 116

JO - International Journal of Fatigue

JF - International Journal of Fatigue

ER -

Multiaxial effects on LCF behaviour and fatigue failure of AZ31B magnesium extrusion

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Fingerprint

Cite this