Shingijutsu Kaihatsu Jigyodan

Nippon Hybrid Technologies Co., Ltd.

Sumitomo Special Metals Co., Ltd.

Kiyoyuki Esashi

Tsuyoshi Masumoto

Masateru Nose

Hisae Minatono

Disclosed is a composition for metallizing a ceramic surface which consists essentially of 10.0 to 32.5% by weight of Mn, 45.0 to 67.5% by weight of W, up to 5.0% by weight of at least one member selected from Ti and Zr, and Ag and Ni in a total amount of 15.0 to 35.0% by weight, the amount of Ni being 5.0 to 20.0% by weight of the total amount of Ni and Ag. This composition is applied to the surface of a ceramic body in the form of a metal paste or metal powder and heat-fusion-bonded to the ceramic surface, or the composition is applied to the surface of a ceramic body by the gas-phase deposition method.

Composition for and method of metallizing ceramic surface, and

A metallizing composition essentially consists of given amounts of Ni, Nb, Cr, C, Si, Zr, SiC and W and is used for metallizing the surface of ceramics such as Si.sub.3 N.sub.4, SIALON, A1N, high purity alumina and so on. This composition forms a metallized layer having an excellent bonding strength to the ceramic surface.

Composition for metallizing a surface of ceramics, a method for

Amorphous alloys containing iron group elements and zirconium and

Amorphous alloys containing zirconium as an amorphous forming metal and having teh formula X.sub..alpha. Z.sub..gamma. wherein X is at least one of Fe, Co and Ni, .alpha. is 80 to 92 atomic %, Z is zirconium, .gamma. is 8 to 20 atomic % and the sum of .alpha. and .gamma. is 100 atomic %, cause little variation of properties during aging and embrittlement because they contain no metalloid as the amorphous forming element, and they further have excellent strength, hardness, corrosion resistance and heat resistance and maintain superior magnetic properties which are characteristic of iron group elements.

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Higashiosaka, Japan

Kiyoyuki Esashi