挤压铸造超高强Al-Zn-Mg-Cu-Zr-Sc合金的热处理工艺研究

openalex(2011)

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Abstract
通过EDS、OM、SEM、TEM和常温拉伸等分析测试手段对挤压铸造Al-Zn-Mg-Cu-Zr-Sc合金的组织特征及在不同热处理制度下的组织状态与力学性能进行了研究。结果表明,挤压铸造Al-Zn-Mg-Cu-Zr-Sc合金经460℃×24 h+470℃×8h+480℃×2h三级强化固溶、120℃×24h单级时效处理,抗拉强度达到597MPa,伸长率达到13.2%,实
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Key words
al-zn-mg-cu
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