推荐回答(1个)
镀铬的工艺特点是镀液稳定,易于操作。
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相关点:
1、从本质上说,铬是一个很活泼的金属,铬的原子结构也有一些与其他金属不同的特点,所以在铬酸溶液中进行镀铬时,要在很负的电位下才可以获得连续的镀层。
2、镀铬所用的阳极不是金属铬,而是使用铅一锑或铅一锡合金作不溶性阳极。这是因为铬金属脆而易断裂,很难制成铬板材。
3、镀铬过程中,欲获得光亮铬层的范围是很狭小的。这需要在生产操作中严格掌握工艺规范,正确地控制镀液与电流密度两者间的变化关系才可获得较宽而满意的光亮铬层。
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关于镀铬:
1、镀铬是泛指电镀铬,镀铬有两种的,一种是装饰铬,一种是硬铬。
2、镀硬铬是比较好的一种增加表面硬度的方法,但是它的优缺点很多,所以好多情况下都没采用。
3、镀装饰铬顾名思义,主要目的就是为了表面光亮、外形美观、防锈等等。
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