金属表面处理(防腐蚀)

2025-04-07 14:15:49
推荐回答(2个)
回答(1):

镀彩锌 用化学或者电化学的方法,在金属表面产生一层有色膜或干扰膜,该膜很薄,有时干扰膜自身几乎没有颜色,而当金属与膜的表面发生光反射的时候,光波在相互抵消,形成各种不同的色彩,当膜的厚度逐步增长时,色调随之变化,一般自黄,红,蓝到绿色,直至显示出膜自身的颜色.如果膜的厚度不均匀时,将产生彩虹色或花斑的杂色. 还有一种是利用染色工艺使金属表面发色的.主要是通过金属表面的大量微孔或金属表面强烈吸附和化学反映把染色液中的无机或有机染料均匀地染到金属表面.有时还可以用电解法使金属离子和燃料共同沉积而产生色彩.
涂四氟 采用静电喷涂的方法,给金属表面涂上一层0.3~2mm的氟塑料涂层, 涂四氟主要是为了耐高温,防粘,防腐蚀,耐磨等。
发黑 把钢铁零件放入含苛性钠、硝酸钠或亚硝酸钠溶液中处理,使零件表面生成一层极薄的黑色氧化膜的过程,称为氧化处理,简称发蓝或发黑。作用是防锈。
喷塑 用塑料喷枪将以火焰(喷枪上的)熔化的塑料粉末喷射到预热(120~150℃)的工件表面形成涂层。作用是防锈、装饰。

回答(2):

可以用下防锈蜡、防锈蜡的防锈非常不错,能够解决很多防锈漆和防锈解决不了的防锈问题

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