Mechanical Behavior Laboratory University of Nevada, Reno

Paper Abstract

[J69] Xiong, Y., Yu, Q., and Jiang, Y., 2012, "Multiaxial fatigue of extruded AZ31B magnesium alloy" Materials Science and Engineering: A, Vol.546, pp.119-128. doi: 10.1016/j.msea.2012.03.039

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Abstract69

[J69] Xiong, Y., Yu, Q., and Jiang, Y., 2012, "Multiaxial fatigue of extruded AZ31B magnesium alloy" Materials Science and Engineering: A, Vol.546, pp.119-128

Paper Figures

Fig. 4

Fig. 4. Stress-strain curves of extruded AZ31B from monotonic tension and monotonic compression (compression in absolute values) (Download data).

Fig. 5

Fig. 5. Stabilized stress-strain hysteresis loops under tension-compression loading (path I) (Download data).

Fig. 6

Fig. 6. Stabilized stress-strain hysteresis loops under cyclic torsion (Download data).

Fig. 7

Fig. 7. Stabilized stress-strain hysteresis loops under proportional axial-torsion loading (path III): (a) axial stress-axial strain (Download data); and (b) shear stress-shear strain (Download data).

Fig. 8

Fig. 8. Stabilized stress-strain hysteresis loops under 90- out-of-phase nonproportional loading (path IV): (a) axial stress-axial strain (Download data); and (b) shear stress-shear strain (Download data).

Fig. 9

Fig. 9. Variation of the mean stress with equivalent strain amplitude (Δεeq/2): (a) axial mean stress (θm) versus Δεeq/2 (Download data); and (b) shear mean stress (τm) versus Δεeq/2 (Download data).

Fig. 10

Fig. 10. Strain-life curves under different axial-torsion loading paths (Download data).

Fig. 12

Fig. 12. Examination of the SWT model (b = 1 in Eq. (2)) for tension-compression and torsion (Download data).

Fig. 13

Fig. 13. Best fitting using the modified SWT model (b = 0) based on tension-compression and torsion results (Download data).

Fig. 14

Fig. 14. Comparison of observed fatigue lives and predictions made using the modified SWT criterion.

Fig. 15

Fig. 15. Comparison of observed fatigue lives and predictions made using the Jiang criterion.

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