王锋, 杨滨, 崔华, 段先进, 熊柏青, 张济山. 喷射沉积Al-Si-Fe-Mn-Cu-Mg合金的析出强化行为[J]. 工程科学学报, 2001, 23(3): 216-219. DOI: 10.13374/j.issn1001-053x.2001.03.033
引用本文: 王锋, 杨滨, 崔华, 段先进, 熊柏青, 张济山. 喷射沉积Al-Si-Fe-Mn-Cu-Mg合金的析出强化行为[J]. 工程科学学报, 2001, 23(3): 216-219. DOI: 10.13374/j.issn1001-053x.2001.03.033
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WANG Feng, YANG Bin, CUI Hua, DUAN Xianjin, XIONG Boqing, ZHANG Jishan. Precipitation Behavior of the Spray-deposited Al-Si-Fe-Mn-Cu-Mg Alloy[J]. Chinese Journal of Engineering, 2001, 23(3): 216-219. DOI: 10.13374/j.issn1001-053x.2001.03.033
Citation: WANG Feng, YANG Bin, CUI Hua, DUAN Xianjin, XIONG Boqing, ZHANG Jishan. Precipitation Behavior of the Spray-deposited Al-Si-Fe-Mn-Cu-Mg Alloy[J]. Chinese Journal of Engineering, 2001, 23(3): 216-219. DOI: 10.13374/j.issn1001-053x.2001.03.033
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喷射沉积Al-Si-Fe-Mn-Cu-Mg合金的析出强化行为

Precipitation Behavior of the Spray-deposited Al-Si-Fe-Mn-Cu-Mg Alloy

    摘要
  • 摘要: 利用热分析(DSC)、显微硬度测定和透射电子显微分析等手段研究了喷射沉积Al-20Si-5Fe-3Mn-3Cu-1Mg合金的时效过程.结果表明,两种沉淀强化相S-Al2CuMg和σ-Al5Cu6Mg2从合金基体中析出,它们有效地提高了合金的室温强度和高温(300℃)强度.

     

    Abstract: The aging process of the spray-deposited Al-20Si-5Fe-3Mn-3Cu-1Mg alloy was investigated by DSC analysis, microhardness measurement, TEM and HREM observations. The results show that two kinds of precipitates, S-Al2CuMg and σ-Al5Cu6Mg2 precipitate from matrix and improve the tensile strength of the alloy efficiently at both the ambient and elevated temperatures (300℃).

     

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