Hard coating; a workpiece coated by such hard coating and a meth

Details Hard coating; a workpiece coated by such hard coating and a meth Hard coating; a workpiece coated by such hard coating and a meth

1991-08-13

1994-05-10

Turner, A. A.

Stock material or miscellaneous articles

Composite

Of inorganic material

1062862, 1062865, 428701, 428702, C23C 1640, B23B 2714

Patent

active

053106075

ABSTRACT:
The hard coating includes mainly (Al,Cr).sub.2 O.sub.3 crystals and a chrome content higher than 5 at % wherein the (Al, Cr).sub.2 O.sub.3 is a single crystal. The coating is deposited at a temperature lower than 90.degree. C., preferably lower than 500.degree. C. The hard coating is deposited by a CVD or PVD process.

REFERENCES:
patent: Re31526 (1984-02-01), Smith et al.
patent: 3511703 (1970-05-01), Peterson
patent: 3837894 (1974-09-01), Tucker, Jr.
patent: 3990860 (1976-11-01), Fletcher et al.
patent: 4112148 (1978-09-01), Fonzi
patent: 4357382 (1982-11-01), Lambert et al.
patent: 4495907 (1985-01-01), Kamo
patent: 4540596 (1985-09-01), Nimmagadda
patent: 4615913 (1986-10-01), Jones et al.
patent: 4668585 (1987-05-01), Tsuji et al.
patent: 4822689 (1989-04-01), Fukubayashi et al.
Yoshizaki et al "Electrical Properties of Evaporated Thin Films of Cr-Al-B alloy" J. Japan Inst Metals vol. 53, No. 11, 1989 pp. 1177-1183.
Swiss Patent Office Search Report for Priority Application 1470/91 filed May 16, 1992.
Lux, et al., "Preparation of Alumina Coatings by Chemical Vapour Deposition", Thin Solid Films, 138 (1986) Apr., No. 1, Lausanne, Switzerland.

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