Sliding members and a method of preparation thereof

Details Sliding members and a method of preparation thereof Sliding members and a method of preparation thereof

1994-08-17

1998-12-22

Turner, Archene

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428469, 428472, 428698, 4283122, 4283128, F16J 926

Patent

active

058516590

ABSTRACT:
A sliding member, in which the surface of a substrate is coated with a compound containing at least chromium nitride, wherein a columnar crystal structure is present in a tension fracture surface of the coating, the columns being aligned toward the coating surface from the substrate surface. The coating is formed on the substrate by contacting the substrate with a gas phase mixture containing chromium and nitrogen in a PVD process. In a preferred embodiment the PVD process is an ion plating process. The coating has superior resistance to peeling, abrasion and baking. The sliding member can be used as an engine part or a compressor part.

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patent: 4919773 (1990-04-01), Naik
patent: 4943486 (1990-07-01), Uchiyama
patent: 5160537 (1992-11-01), Terrat et al.
patent: 5226975 (1993-07-01), Denton et al.
patent: 5316321 (1994-05-01), Ishida et al.
Dongdong Wang et al., Thin Solid Films, vol. 185, No. 2, Mar. 1990, "The morphology and orientation of Cr-N films deposited by reactive ion plating".
Chemical Abstracts, vol. 110, No. 16, 17 Apr. 1989, "Characterization of sputtered chromium nitride coatings".
Translation of JP 4-64, published Jan. 6, 1992.

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