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Leaching of heavy metal elements in solder alloys

机译:焊料合金中重金属元素的浸出

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摘要

Leaching behavior of heavy metal elements from Sn-3.5Ag-0.5Cu, Sn-9Zn, and Sn-37Pb solder alloys and their joints was investigated in typical H2SO4, NaCl and NaOH solutions. The leaching amount of Sn from solder joints was more than that from solder alloys and the leaching amount of Sn from Sn-3.5Ag-0.5Cu solder joint in the NaCl solution was the most. The surface corrosion products on the solder and their joints were composed of oxide, oxide hydroxide or oxychloride of the component element. Much more surface oxides for the samples treated in the NaCl solution produced than that in the NaOH and H2SO4 solutions.
机译:在典型的H2SO4,NaCl和NaOH溶液中研究了Sn-3.5Ag-0.5Cu,Sn-9Zn和Sn-37Pb焊料合金及其接头中重金属元素的浸出行为。焊点中锡的浸出量多于焊料合金中的浸出量,在NaCl溶液中锡-3.5Ag-0.5Cu焊点中的浸出量最大。焊料及其接头上的表面腐蚀产物由组成元素的氧化物,氢氧化物或氯氧化物组成。在NaCl溶液中处理的样品产生的表面氧化物比在NaOH和H2SO4溶液中产生的表面氧化物多得多。

著录项

  • 来源
    《Corrosion science》 |2011年第5期|p.1738-1747|共10页
  • 作者单位

    School of Materials Science and Engineering, Dalian University of Technology, 176085 Dalian, China;

    School of Materials Science and Engineering, Dalian University of Technology, 176085 Dalian, China;

    School of Materials Science and Engineering, Dalian University of Technology, 176085 Dalian, China;

    School of Materials Science and Engineering, Dalian University of Technology, 176085 Dalian, China;

    School of Materials Science and Engineering, Beijing University of Science and Technology, Beijing 100083, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A. Electronic materials; A. Tin; C. Acid corrosion; C. Alkaline corrosion;

    机译:电子材料;A.锡;C。酸腐蚀;C。碱性腐蚀;

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