Abstract
The fatigue crack propagation (FCP) behavior of extruded AZ31-F was examined in conjunction with crack closure phenomena. FCP experiments were carried out in an ultra-high vacuum system using a fatigue test machine under a constant load amplitude. To determine the effect of crack closure on the FCP rates, the crack closure levels were measured using the compliance method. The δKth values of the AZ31-F decreased with increasing load ratio. It was found that ΔKeff,th showed an almost constant value regardless of the load ratio.
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Song, K., Jung, H.C. & Shin, K.S. Fatigue crack propagation behavior of AZ31 Mg alloy in ultra-high vacuum. Met. Mater. Int. 17, 397–402 (2011). https://doi.org/10.1007/s12540-011-0615-0
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DOI: https://doi.org/10.1007/s12540-011-0615-0