What is the cause of mildew in aluminum alloy die castings?
Date：
2022-06-25
Die casting is a metal forming process, and its biggest feature is fast forming speed and low processing cost, so it has a very wide range of applications in metal processing. The metal parts produced by the die-casting process are called "die-casting parts", and die-casting parts are widely used in machinery, automobiles, electrical appliances, etc. Aluminum alloy is a common die-casting material, but it must be noted that for different metal materials, the pre- and post-processing of die-casting is different. Some netizens reported that mold spots often appear in aluminum die castings. What is the reason? Today, Ruiguan Precision will answer this question for you:
Die casting is a metal forming process, and its biggest feature is fast forming speed and low processing cost, so it has a very wide range of applications in metal processing. The metal parts produced by the die-casting process are called "die-casting parts", and die-casting parts are widely used in machinery, automobiles, electrical appliances, etc. Aluminum alloy is a common die-casting material, but it must be noted that for different metal materials, the pre- and post-processing of die-casting is different. Some netizens reported that mold spots often appear in aluminum die castings. What is the reason? Today, Ruiguan Precision will answer this question for you:
The appearance of mildew is essentially caused by the chemical reaction between water vapor and the surface of the die casting. The following conditions will accelerate the occurrence of mildew:
1. The storage location has high humidity;
2. The surface of the die casting is relatively loose;
3. Excessive corrosion of die-casting cleaning agent;
4. The die-casting parts are not dried after the corresponding processes (such as cleaning, electroplating, etc.).
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