Piston Anodization

Date:May 13,2019

As the output power of the diesel engine continues to increase, the thermal stress and mechanical stress of the piston increase accordingly, resulting in cracking and ablation of the peripheral wall of the piston top combustion chamber. The hard oxide oxide film can effectively improve the heat resistance of the aluminum piston top surface. Performance, extremely good inhibition of thermal cracking, especially for the hot cracking tendency of the combustion chamber side of the direct injection diesel engine. For this reason, high power pistons generally need to be anodized.

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