Although aluminum alloy die castings themselves have good corrosion resistance, they are not corrosion-resistant, especially in some special environments. In order to further improve the corrosion resistance of aluminum alloy die castings and meet the needs of customers, die casting manufacturers will also carry out rust prevention treatment for aluminum alloy die castings.
Engineering materials may undergo chemical or electrochemical reactions with the environmental media they encounter, leading to damage or degradation. For metals, the damage that occurs is called corrosion, commonly known as rusting or rusting. For non-metals, this type of damage is called degradation or deterioration. This is the definition of corrosion in aluminum alloy die castings, and rust prevention is the use of appropriate means and methods to reduce or prevent this effect.
There are two temporary rust prevention methods for aluminum alloy die castings, including electroplating, chemical plating, thermal spraying, coating, and vapor deposition; Temporary rust prevention refers to the anti rust sealing and packaging of aluminum alloy die castings.