Manufacturing Industry

High-strength HPDC aluminum pistons raise fatigue strength.(PROCESS TECHNOLOGY)

Advanced Materials & Processes, August, 2006

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A high-strength aluminum casting alloy in which the amount of nickel is 5.5% shows an increase in fatigue strength of 150% over conventional material at temperatures of 523K or higher, according to researchers at Honda R & D Co. Ltd., Japan. Composition of the alloy is Al-13Si-4Cu-5Ni-0.8Mg-0.4Fe-[less than or equal to]0.2Mn.

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By casting the alloy via high-pressure die casting (HPDC) instead of the conventional gravity die casting, it was possible to increase the amount of nickel without formation of large nickel crystals. The greater micro-dispersion of the crystals also ...

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Manufacturing Industry

High-strength HPDC aluminum pistons raise fatigue strength.(PROCESS TECHNOLOGY)

Advanced Materials & Processes, August, 2006

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