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Influence of different methods of ageing on microstructure of solder joints

机译:不同时效方法对焊点组织的影响

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摘要

An influence of damping heat and thermal cycling on microstructure and microhardness of solder joints was investigated. Solder joints were prepared by vapour phase and hot air reflow soldering. Results of the microstructure analysis show on significant influence of the ageing on propagation of voids and cracks in the bulk of solder joints.
机译:研究了阻尼热和热循环对焊点组织和显微硬度的影响。焊点是通过气相和热空气回流焊制备的。显微组织分析的结果表明,时效对大量焊点中的空隙和裂纹的传播具有显着影响。

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