代硬铬镍基合金镀层的研究进展 关键词：代铬合金镀；硬铬；复合镀层；梯度镀层 [gap=751]： alloy electroplating for substitute chromium；hard chromium；composite deposits；gradient deposits
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论述了功能梯度镀层的概念、性能、应用及制备方法。
Concept, performances, applications and preparation methods of functionally gradient material are stated.
结果表明，在一定范围内，镀层成份梯度(化)钢帘线与橡胶粘结力有显著影响。
It is shown that in certain extent, the composition gradient of the brass coating has great effect on the adhesion between steel cord and rubber.
渗镀层成分检测表明，与基体之间呈梯度分布。
The results of infiltration layer components detection indicted that the layer was gradient distribution with the substrate.
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