Hypereutectic aluminum-silicon alloy connecting rod for a two-cy

Details Hypereutectic aluminum-silicon alloy connecting rod for a two-cy Hypereutectic aluminum-silicon alloy connecting rod for a two-cy

1994-02-23

1995-01-24

Dolinar, Andrew M.

Internal-combustion engines

Transmission mechanism from piston

Crankshaft and connecting rod

74579E, 420534, F02F 700, G05G 100

Patent

active

053834291

ABSTRACT:
A connecting rod for a two-cycle internal combustion engine that is composed of a hypereutectic aluminum-silicon alloy containing more than 12% silicon. The alloy contains precipitated particles of silicon having an average particle size less than 50 microns. In contrast to a hypoeutectic aluminum silicon alloy containing less than 12% silicon, the hypereutectic aluminum-silicon alloy has an endurance limit, so that at stresses below about 15,000 psi there will be no failure of the alloy at multiple cycles, making the alloy suitable for use as a connecting rod in a two-cycle engine, which is only subjected to compressive stress in service.

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