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Investigation of creep behavior of AZ31 magnesium alloy at three different temperatures (230, 270, and 350 °C) and stresses of 1–13 MPa reveals that grain boundary sliding (GBS) is the dominant creep mechanism at elevated temperatures and low stresses. GBS and Mg 17 Al 12 precipitates in Mg–Al alloys result in stress concentration sites for cavity formation during high-temperature...
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