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熱處理工藝對(duì)微量Mn、Zr作用下的高純Al-Cu-Mg-Ag合金性能的影響
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Effect of Heat Treatments on Properties of High Purity Al-Cu-Mg-Ag Alloy with Trace Mn and Zr
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    摘要:

    研究了固溶處理和時(shí)效處理對(duì)微量Mn、Zr作用下的高純Al-Cu-Mg-Ag合金性能的影響，結(jié)果表明：合金在520~525 ℃時(shí)，可以得到較好的力學(xué)性能，固溶時(shí)間對(duì)性能的影響不大。合金在160 ℃下時(shí)效12 h可以達(dá)到峰時(shí)效，而在180 ℃下達(dá)到峰時(shí)效的時(shí)間僅需要4 h。向Al-Cu-Mg-Ag中添加微量Mn、Zr元素可以大幅度的提高合金的延伸率，但Mn元素的添加卻降低合金的抗拉強(qiáng)度，而Zr元素則大幅度的提高了合金的抗拉強(qiáng)度。在合金的耐熱性能方面，微量Mn、Zr元素的添加均顯著提高Al-Cu-Mg-Ag合金的熱穩(wěn)定性。

    Abstract:

    Effects of solid solution heat treatment and aging heat treatment on high purity Al-Cu-Mg-Ag alloys with trace Mn and Zr were investigated. Results show that when the alloys are solid solution treated at 520-525 ℃, the mechanical properties reach up to a relatively high level, and the solid solution time has little effect on the properties. The time to reach peak aging is about 12 h at 160 ℃ but only 4 h at 180 ℃. Adding trace Mn and Zr could increase the elongation of Al-Cu-Mg-Ag alloys greatly. However, Mn element could decrease the tensile strength while Zr could increase it significantly. Both Mn and Zr elements can improve the heat resistance of Al-Cu-Mg-Ag alloys markedly.

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朱寶宏,熊柏青,張永安,熊益民.熱處理工藝對(duì)微量Mn、Zr作用下的高純Al-Cu-Mg-Ag合金性能的影響[J].稀有金屬材料與工程,2010,39(1):144~148.[Zhu Baohong, Xiong Baiqing, Zhang Yongan, Xiong Yimin. Effect of Heat Treatments on Properties of High Purity Al-Cu-Mg-Ag Alloy with Trace Mn and Zr[J]. Rare Metal Materials and Engineering,2010,39(1):144~148.]
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  • 收稿日期:2009-01-10
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