Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Patent
1989-09-28
1991-04-30
Dean, R.
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
75233, 75303, 75313, 148423, 419 14, 419 19, 420 71, 420116, 420129, 420428, 420588, 420590, 423417, C22C 102, C22C 103
Patent
active
050117980
ABSTRACT:
A chromium additive of the formula: Cr.sub.x C.sub.y O.sub.z where 0.04.ltoreq.y.ltoreq.0.35, and 0.03.ltoreq.z.ltoreq.0.30 for x=1, said additive having an X ray diffraction peak at d=3.32 .ANG. (2.theta.=26.8.degree.).
REFERENCES:
patent: 3847601 (1974-11-01), Itoh et al.
patent: 4565574 (1986-01-01), Katayama et al.
CA 112(10): 90402r 1989.
Andoh Shinya
Imamura Masao
Miyake Hiroshi
Sasabe Minoru
Yoshida Yasunobu
Dean R.
Phipps Margery S.
Tosoh Corporation
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