Titanium alloy engine valve shaft structure

Details Titanium alloy engine valve shaft structure Titanium alloy engine valve shaft structure

1994-04-29

1994-12-06

Chambers, A. Michael

Valves and valve actuation

Valve

Materials

1231883, F01L 310

Patent

active

053703642

ABSTRACT:
There is provided a new structure of an engine valve made from titanium alloy, having three component coat surface layer formed on the surface of the reciprocating shaft thereof, wherein the composition of the three component coat surface layer comprises nickel, phospher and particles of material selected from the group consisting of silicone carbide, silicone nitride, boron nitride, and the combination thereof; said particles are uniformly dispersed in said coat surface layer; and said coat surface layer is formed via a binding layer or directly on the surface of the shaft.

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patent: 5222521 (1993-06-01), Kihlberg
patent: 5249554 (1993-10-01), Tamor et al.

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