Product Description
The other common material used for automotive pistons is aluminum due to its light weight, low cost, and acceptable strength. Although other elements may be present in smaller amounts, the alloying element of concern in aluminum for pistons is silicon. Is fully and exactly soluble In aluminum at operating temperatures is around 12%. Either more or less silicon than this will result in two separate phases in the solidified crystal structure of the metal. This is very common. When significant more silicon is added to the Aluminum than 12%, The properties of the aluminum change in a way that is useful for the purposes of pistons for combustion engines. However, at a blend of 25% silicon, there is a significant reduction of strength in the metal, so hypereutectic pistons Commonly used a level of Silicon between 16% and 19%. Special moulds, casting,And cooling techniques are required to obtain uniformly dispersed silicon particles throughout the piston material.
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