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发明授权
CN107761059B 电工合金零部件表面银合金镀层及其制备方法、电工合金零部件 有权 转让

电工合金零部件表面银合金镀层及其制备方法、电工合金零部件
摘要：
本发明公开了一种电工合金零部件表面银合金镀层及其制备方法、表面具有该银合金镀层的电工合金零部件，电工合金零部件表面的银合金镀层制备方法包括：(1)微弧离子镀设备抽真空、通过工作气体；(2)等离子体清洗；(3)沉积金属打底层；(4)沉积过渡层；(5)沉积Ag镀层。与现有电镀镀银技术相比，微弧离子镀镀银在硬件投入费用不增加的前提下，镀银工艺绿色、环保无排放；镀银工艺实施过程中可对银合金镀层中的成分、组织进行精确调控；获得的银合金镀层具有更好的结合强度、更高的表面光洁度、更优的镀层致密度等优点，可满足高、低压电器行业用电工合金零部件表面镀银之要求。
摘要（英）：

The invention discloses a silver alloy coating for the surface of an electrical alloy part, a preparation method of the silver alloy coating and the electrical alloy part of which the surface is provided with the silver alloy coating. The preparation method of the silver alloy coating for the surface of the electrical alloy part comprises the following steps: firstly, vacuumizing a micro-arc ion plating device and introducing working gas; secondly, washing plasma; thirdly, depositing a metal priming coating; fourthly, depositing a transition layer; and fifthly, depositing an Ag coating. Compared with an existing silver electroplating technology, a micro-arc silver ion plating process has the advantages of greenness, environment friendliness and no emission on the premise of no increase ofhardware input expenses; and in addition, components and structure of the silver alloy coating can be accurately controlled in the plating process. The obtained silver alloy coating has the advantagesof higher bonding strength, higher surface finish, higher coating density and the like; and the requirements of silver plating for the surface of the electrical alloy part for high and low voltage electrical equipment industry can be met.

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