Heating – Accessory means for holding – shielding or supporting work... – Crucible
Patent
1997-03-24
1999-08-10
Turner, Archene
Heating
Accessory means for holding, shielding or supporting work...
Crucible
51307, 51309, 432156, 432262, 428469, 428472, 428697, 428658, 428699, 428701, B32B 1504
Patent
active
059349000
ABSTRACT:
Refractory ceramics and composite materials consisting of nitrides, carbides, mixed carbides and oxides, oxycarbides, mixed nitrides and oxides, and oxynitrides of Group IVB metals Hf, Zr, and Ti, Group IIA metals Be, Mg, Ca, Sr, and Ba, and Group IIIB metals Sc, Y, and lanthanides La through Lu are used to form refractory articles, or as coatings for refractory articles. These materials and articles have high resistance to molten metals, molten salts, erosion, and high temperature corrosive environments, and can be engineered to have desirable thermal and electrical properties. The refractory materials encompass nitrides, carbides, reacted ternary and quaternary oxides, mixed carbides and oxides, oxycarbides, mixed nitrides and oxides, and oxynitrides and have the general chemical formula M.sub.x1 M'.sub.x2 M".sub.x3 N.sub.y C.sub.w O.sub.z where M is Hf, Zr, or Ti, M' is Be, Mg, Ca, Sr, or Ba, M" is Sc, Y, and lanthanides La through Lu, N is nitrogen, C is carbon, O is oxygen. In particular, nitrides having at least 54 atomic percent metal, ternary oxides having no more than 66.6 atomic percent oxygen, and oxynitrides having at least 33.4 atomic percent metal are preferred. Substoichiometric GroupIVB-GroupIIA and Group IVB-GroupIIIB ternary oxides are also preferred.
REFERENCES:
patent: 4252862 (1981-02-01), Nishida
patent: 4447263 (1984-05-01), Sugizawa et al.
patent: 4761346 (1988-08-01), Naik
patent: 4970092 (1990-11-01), Gavrilov et al.
patent: 5035957 (1991-07-01), Bartlett et al.
patent: 5336280 (1994-08-01), Dubots et al.
Integrated Thermal Sciences Inc.
Sartorio Henry P.
Turner Archene
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