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某些金属上采取镀锌的目的
AUTHOR:镀锌  FORM:  TIMES:2012-6-28 19:18:03  点击:2383

现在金属在我们生活中体现的越来越多,如镀锌丝、镀锌板等等,它们采取的工艺电镀锌或者热镀锌,但是这些金属为什么要采取镀锌呢?

带着这个问题我们思考了下,问题的答案跟锌的化学知识有关了,金属在潮湿的环境中很容易生锈,镀锌会使金属防腐,锌在空气中发生化学反应会形成氧化锌,这种物质结构非常稳定,在金属表面形成一层膜,保护金属不会被氧化。这也就是某些金属镀锌的原因所在。

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