铝及其合金以重量轻、易加工、在空气中稳定性好而著称,广泛用于航空与航天工业,铝还因耐蚀性非常好,被广泛甩于其它工业部门。其中碾压包覆铝、融盐镀铝、真空蒸发镀铝等方法就是从防腐角度具体利用铝的方法。不过这些方法也有一定的缺陷,譬如碾压包覆铝法只适用于几何形状简单的物体;融盐镀铝和真空蒸发镀铝对基体都有热负荷作用,且后者设备投资大。尤其是在能源短缺的情况下,融盐镀铝和真空蒸发镀铝因耗能大而不得不被限制使用。近年开发的一种新的覆铝法——电沉积铝法,因它的优点多、用途广,被认为是当 Aluminum and its alloys are known for their light weight, ease of processing and good stability in the air. They are widely used in the aerospace and aerospace industries. Aluminum is also widely used in other industrial sectors due to its excellent corrosion resistance. One rolling aluminum coating, molten salt aluminum, vacuum evaporation of aluminum and other methods is from the perspective of the specific use of aluminum corrosion. However, these methods also have some shortcomings. For example, the rolling aluminum coating method is only suitable for objects with simple geometrical shapes. Melting salt aluminum plating and vacuum evaporating aluminum plating have thermal load on the substrate, and the latter has a large investment in equipment. Especially in the case of energy shortages, molten salt salt plating and vacuum evaporation of aluminum due to large energy consumption had to be limited use. In recent years, the development of a new aluminum coating method - electrodeposition of aluminum law, because of its many advantages, wide use, is considered to be when