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SnAgCuY钎料表面Sn晶须的旋转生长现象
引用本文:郝虎,李广东,史耀武,夏志东,雷永平.SnAgCuY钎料表面Sn晶须的旋转生长现象[J].电子元件与材料,2008,27(11).
作者姓名:郝虎  李广东  史耀武  夏志东  雷永平
作者单位:北京工业大学,材料科学与工程学院,北京,100022
摘    要:研究了Sn3.8Ag0.7Cu1.0Y钎料表层上YSn3稀土相表面Sn晶须的生长行为。结果表明:室温时效条件下在YSn3的表面会出现Sn晶须的快速生长现象,生长速度最快可达10–10m/s,长度最长可达200μm。YSn3稀土相氧化的不均匀性是导致Sn晶须在生长时产生各种旋转现象的主要原因。

关 键 词:金属材料  Sn晶须  无铅钎料  SnAgCuY钎料

Rotational growing phenomena of Sn whiskers on SnAgCuY solder surface
HAO Hu,LI Guang-dong,SHI Yao-wu,XIA Zhi-dong,LEI Yong-ping.Rotational growing phenomena of Sn whiskers on SnAgCuY solder surface[J].Electronic Components & Materials,2008,27(11).
Authors:HAO Hu  LI Guang-dong  SHI Yao-wu  XIA Zhi-dong  LEI Yong-ping
Affiliation:HAO Hu,LI Guang-dong,SHI Yao-wu,XIA Zhi-dong,LEI Yong-ping (School of Materials Science & Engineering,Beijing University of Technology,Beijing 100022,China)
Abstract:Researched the Sn whiskers growth behavior was on the surface of YSn3RE-phase on Sn3.8Ag0.7Cu1.0Y solder. Results show that there appears rapid growth of tin whiskers with growth rate up to 10–10 m /s and length up to 200 μm on the surface of YSn3RE-phase under room-temperature aging. YSn3RE-phase unequal oxidation is main reason to result in rotational phenomena of Sn whisker growing.
Keywords:metallic material  Sn whiskers  lead-free solder  SnAgCuY solder  
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