Diamond coated body and method of its production

Details Diamond coated body and method of its production Diamond coated body and method of its production

1998-08-10

1999-10-05

Turner, Archene

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

427307, 427309, C23C 1600

Patent

active

059620714

ABSTRACT:
There is now provided a body coated with at least one diamond layer on a substrate of cemented carbide or cermets. The substrate is before the diamond coating process provided with spotwise occurring particles containing an element either being any of W, Ta, Ti, Mo Cr, V, Nb, Mg, Ca, Na, K or, preferably, any of B, Si, S, Al or P. These particles are dispersed at a density giving an average distance between two particles of 20 .mu.m or less, preferably 5 .mu.m or less.

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patent: 5435815 (1995-07-01), Ikegaya et al.
I. Reineck, M.E. Sjostrand, J. Karner, M. Pedrazzini, "HCDCA Diamond-Coated Cutting Tools", Diamond and Related Materials 5, 1996, pp. 819-824.
H. Liu and D.S. Dandy, "Studies on Nucleation Process in Diamond CVD: An Overview of Receipt Developments", Diamond and Related Materials 4, 1995, pp. 1173-1188.
B. Lux and R. Haubner, "Nucleation and Growth of Low-Pressing Diamond", Diamond and Diamond-like Films and Coatings, ed. R.E. Clausing et al., 1991, Plenum Press, New York, pp. 579-609.
Patent Abstracts of Japan, vol. 14, No. 261, C-725, abstract of JP A,2-73975 (Toshiba Tungaloy Co Ltd), Mar.13, 1990 (13.03.90).
Patent Abstracts of Japan, vol. 14, No. 522, C-778, abstract of JP A,2-217472 (Idemitsu Petrochem Co Ltd), Aug. 30, 1990 (30.08.90).
English Translation of JP 62-202897.

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