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    李良锋, 丘泰, 李晓云, 杨建. 机械合金化法制备57.6Ag-22.4Cu-10.5In-9.5Sn合金粉末及其性能[J]. 机械工程材料, 2008, 32(8): 30-32.
    引用本文: 李良锋, 丘泰, 李晓云, 杨建. 机械合金化法制备57.6Ag-22.4Cu-10.5In-9.5Sn合金粉末及其性能[J]. 机械工程材料, 2008, 32(8): 30-32.
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    LI Liang-feng, QIU Tai, LI Xiao-yun, YANG Jian. Mechanical Alloying Preparation and Properties of 57.6Ag-22.4Cu-10.5In-9.5Sn Alloy Powders[J]. Materials and Mechanical Engineering, 2008, 32(8): 30-32.
    Citation: LI Liang-feng, QIU Tai, LI Xiao-yun, YANG Jian. Mechanical Alloying Preparation and Properties of 57.6Ag-22.4Cu-10.5In-9.5Sn Alloy Powders[J]. Materials and Mechanical Engineering, 2008, 32(8): 30-32.
    shu

    机械合金化法制备57.6Ag-22.4Cu-10.5In-9.5Sn合金粉末及其性能

    Mechanical Alloying Preparation and Properties of 57.6Ag-22.4Cu-10.5In-9.5Sn Alloy Powders

      摘要
    • 摘要: 为了得到熔化温度介于400~600 ℃的中温焊粉,用机械合金化法制备57.6Ag-224Cu-10.5In-9.5Sn合金粉末,借助X射线衍射仪、差示扫描量热仪、扫描电镜和能谱仪等研究了球磨时间对合金化过程中粉末的物相、熔化特性及显微形貌的影响.结果表明：利用机械合金化法球磨30 h可以成功制备出57.6Ag-22.4Cu-10.5In-9.5Sn合金粉末;随着球磨时间的增加,合金粉末的粒径不断减小,颗粒形貌从片层状逐渐转变为近球形,球磨60 h,合金粉末具有良好的球度,粒径5~35 μm,最低液相点温度为494.3 ℃.

       

      Abstract: 57.6Ag-22.4Cu-10.5In-9.5Sn alloy powders were prepared for the middle temperature alloy solder with of melting point 400-600 ℃ by mechanical alloying method.The effects of different milling times on alloying process,phase compositions,melting properties and micro-appearance of the powders were studied by XRD,DSC,SEM and EDS.The results indicate that 57.6Ag-22.4Cu-10.5In-9.5Sn alloy powders can be obtained by mechanical alloying method when milling time above 30h.As milling time was prolonged,the particte size of alloy powders became smaller constantly,and their shape changed from sheet to spherical,gradually.The alloy powders showed the best sphericity and had a size distribution from 5 to 35 μm when milling time is 60 h.The lowest melting point was determined to be 494.3 ℃.

       

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