Mechanical Behavior Laboratory University of Nevada, Reno

Paper Abstract

[J70] Yu, Q., Zhang, J., Li, Q., and Jiang, Y., 2012, "Effect of strain ratio on cyclic deformation and fatigue of extruded AZ61A magnesium alloy" International Journal of Fatigue, Vol.44, pp.225-233. doi: 10.1016/j.ijfatigue.2012.04.013

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Abstract70

[J70] Yu, Q., Zhang, J., Li, Q., and Jiang, Y., 2012, "Effect of strain ratio on cyclic deformation and fatigue of extruded AZ61A magnesium alloy" International Journal of Fatigue, Vol.44, pp.225-233

Paper Figures

Fig. 2

Fig. 2. Evolution of the stress-strain hysteresis loops with the increasing number of loading cycles at Rε = -∞, -1, 0: (a) Δε/2 = 0.7% (Download data); (b) 0.5% (Download data); (c) 0.3% (Download data).

Fig. 3

Fig. 3. Variations of the maximum stress (or tensile peak stress), minimum stress (or compressive peak stress), and mean stress with the increasing number of loading cycles at Rε = -∞, -1, 0: (a) Δε/2 = 0.7% (Download data); (b) 0.5% (Download data); (c) 0.3% (Download data).

Fig. 4

Fig. 4. Saturated stress-plastic strain hysteresis loops taken approximately at half fatigue life at three different strain amplitudes and three different strain ratios (Download data).

Fig. 5

Fig. 5. Cyclic stress-plastic strain curves at three different strain ratios (Download data).

Fig. 7

Fig. 7. Strain-life curves under uniaxial tension-compression with three different strain ratios (Download data).

Fig. 8

Fig. 8. Original SWT parameter versus fatigue lives for three strain ratios.

Fig. 9

Fig. 9. Modified SWT parameter versus fatigue lives for three strain ratios.

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