Nickel-aluminide based wear resistant material for piston rings

Details Nickel-aluminide based wear resistant material for piston rings Nickel-aluminide based wear resistant material for piston rings

2005-01-04

2005-01-04

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S701000, C428S702000, C277S434000, C277S440000, C277S442000, C277S456000

Reexamination Certificate

active

06838196

ABSTRACT:
A piston ring comprises a coating of a wear-resistant composite composition, particularly intended for high temperature applications. The wear-resistant composite composition comprises a ceramic compound and at least 50 volume %, based on the total volume of the wear-resistant composition, of an intermetallic nickel-aluminide chosen from the group consisting of NiAl and Ni3Al. A piston ring comprises a wear-resistant composite composition, particularly intended for high temperature applications. The wear-resistant composite composition comprises a ceramic compound and at least an intermetallic nickel-aluminide chosen from the group consisting of NiAl and Ni3Al.

REFERENCES:
patent: 5236787 (1993-08-01), Grassi
patent: 5281484 (1994-01-01), Tank et al.
patent: 5743012 (1998-04-01), Adams et al.
patent: 6025065 (2000-02-01), Claussen et al.
patent: 0 645 463 (1995-03-01), None
patent: 0 668 375 (1995-08-01), None
patent: WO 9532314 (1995-11-01), None

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