摘要
某公司使用TU1无氧铜棒生产电真空器件,封装过程中铜棒表面起泡。采用低倍检验、金相检验、化学成分分析、扫描电镜以及能谱分析等方法对起泡原因进行了分析。结果表明:TU1无氧铜棒在挤制过程中尾部切除不完全,存在皮下缩尾缺陷,皮下缩尾缺陷中的氧化物夹杂是导致铜棒表面起泡的主要原因。
A company used TU1 oxygen free copper bars to manufacture electric vacuum devices and the copper bars bubbled on the surface in the process of packaging. The surface bubbling reasons were analyzed by means of macroscopic examination, metallographic examination, chemical composition analysis, TEM analysis and energy spectrum analysis. The results show that the TU1 oxygen free copper bars had subcutaneous shrinkage defect because of the incomplete tail resection in the process of extrusion, and the oxide inclusions in the subcutaneous shrinkage defect was the main reason for the surface bubbling of the oxygen free copper bars.
出处
《理化检验（物理分册）》
CAS
2017年第2期144-146,149,共4页
Physical Testing and Chemical Analysis(Part A:Physical Testing)
关键词
TU1无氧铜棒
电真空器件
表面起泡
皮下缩尾
氧化物夹杂
shrinkage
oxide ： TU1 oxygen free copper bar
electric vacuum component
surface bubbling
subcutaneous inclusion
