Effect of temperature on mechanical behavior of AZ31 magnesium alloy

Effect of temperature on mechanical behavior of AZ31 magnesium alloy

Strain rate sensitivity and tension/compression asymmetry of AZ31 magnesium alloy at different temperatures and strain rates were investigated. Both of mechanical behaviors are temperature dependent. Strain rate sensitivity increases with increasing temperature. Thermally activated slip is the sourc...

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Veröffentlicht in:Transactions of Nonferrous Metals Society of China 2007, Vol.17 (1), p.41-45
1. Verfasser: 谭成文 胥珊娜 王鲁 陈志永 王富耻 才鸿年
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Sprache:eng
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AZ31 magnesium alloy
strain rate sensitivity
temperature effect
tension/compression asymmetry
机械性能
流动应力
温度
镁合金
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creator 谭成文 胥珊娜 王鲁 陈志永 王富耻 才鸿年
description Strain rate sensitivity and tension/compression asymmetry of AZ31 magnesium alloy at different temperatures and strain rates were investigated. Both of mechanical behaviors are temperature dependent. Strain rate sensitivity increases with increasing temperature. Thermally activated slip is the source of strain rate sensitivity. At the temperature below or near 373 K, strain rate sensitivity is very little. Tension/compression asymmetry in yielding decreases with increasing temperature. Twinning is the reason of tension/compression asymmetry. At the temperature above or near 573 K, the material shows little tension/compression asymmetry of the flow stress.
doi_str_mv 10.1016/S1003-6326(07)60045-4
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subjects AZ31 magnesium alloy
strain rate sensitivity
temperature effect
tension/compression asymmetry
机械性能
流动应力
温度
镁合金
title Effect of temperature on mechanical behavior of AZ31 magnesium alloy
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