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Aluminum alloy die casting properties 2018-04-16
Aluminum alloy die casting has the advantage that some other castings can not be compared, such as beautiful, light weight, corrosion resistance and other advantages, making it widely favored by users. Aluminum alloy die casting, especially in the light weight of the car, cast aluminum alloy castings in the car Industry has been widely used.
  Cast aluminum alloys have a lower density than cast iron and cast steel, while the specific strength is higher. Therefore, the use of aluminum alloy castings under the same load conditions can reduce the weight of the structure, so in the aviation industry and power machinery and transport machinery manufacturing, aluminum alloy castings have been widely used. Aluminum alloy has a good surface gloss, good corrosion resistance in the atmosphere and fresh water, so it has a wide range of uses in the manufacture of civilian utensils. Pure aluminum has good corrosion resistance in oxidizing acid media such as nitric acid and acetic acid, and thus aluminum castings have a certain use in the chemical industry. Pure aluminum and aluminum alloys have good thermal conductivity, heat exchange devices used in chemical production, and parts that require good thermal conductivity on power machinery, such as cylinder heads and pistons for internal combustion engines, are also suitable for use with aluminum alloys. manufacture.
 
  Aluminum alloys have good casting properties. Because of the lower melting point of the aluminum alloy die casting (melting point of pure aluminum is 660.230C, casting temperature of aluminum alloy is generally around 730~750oC), it is possible to widely use casting methods such as metal type and pressure casting to improve the intrinsic quality of the casting. The dimensional accuracy and surface finish and production efficiency. Because of the latent heat of solidification of aluminum alloy, under the same weight conditions, the solidification process of aluminum liquid lasts much longer than cast steel and cast iron, and has good fluidity, which is conducive to the casting of thin-walled and complex-structure castings.
 
  Casting aluminum alloy castings have many advantages, making it one of the most popular casting products for the development of the foundry industry and procurement customers. In the future, with the progress of aluminum alloy casting technology, it will show itself on a larger stage. Style.
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