随着铅对人类和环境的有害影响被日益关注,寻找含铅焊料的替代合金成为亟待解决的问题.近年来人们已对无钎焊料进行了广泛的研究.概述了目前无铅焊锡的研究进展、研究内容,介绍了几种典型的、有潜力的无铅焊锡的成分、性能,总结了当前存在的几个主要问题.
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