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电化学  2006 

铅锡合金准二维电沉积的微结构研究

, PP. 284-287

Keywords: 铅锡合金,电沉积,微结构

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Abstract:

铅锡合金的准二维电沉积物具有伪共晶-固溶体双层结构.研究表明,这种奇特的结构是由生长界面上电流密度自发变化引起的.当生长界面处于整个沉积物前端时,电流密度大,铅和锡共同沉积形成伪共晶组织;当生长界面处于整个沉积物后端时,电流密度小,铅沉积成为主要反应,此时沉积物是含铅较多的固溶体组织.

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