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Superplastic Properties of a Newly Developed Al-Mg-High Mn Aluminum Alloy Sheet

机译:新开发的Al-Mg-高Mn铝合金板的超塑性

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摘要

A new superplastic Al-Mg-high Mn alloy called a high-Mn alloy in the present paper was developed. The superplastic properties of the high-Mn alloy were evaluated in comparison with a conventional superplastic 5083 alloy which was manufactured under the same industrial mass production process. The high-Mn alloy sheet of a middle thickness shows a lager elongation to failure at temperatures below 783K, and show better superplastic formability and less cavitation volume than the 5083 alloy. These superior characters of the high-Mn alloy may be ascribable to finer grain structure formed in the alloy.
机译:本文开发了一种新型的超塑性Al-Mg-高Mn合金,称为高锰合金。与以相同的工业批量生产方法制造的常规超塑性5083合金相比,评价了高Mn合金的超塑性。中等厚度的高锰合金薄板在低于783K的温度下表现出更大的断裂伸长率,并且与5083合金相比,具有更好的超塑性成形性和较小的空化体积。高锰合金的这些优良特性可归因于在合金中形成的更细的晶粒结构。

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