Ceramic based composite material for flame spraying

Details Ceramic based composite material for flame spraying Ceramic based composite material for flame spraying

1981-08-28

1984-05-08

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite powder

75 05BC, 419 35, 428937, 427215, 427217, B22F 102

Patent

active

044475012

ABSTRACT:
In a composite material of metal and ceramic, the excellent properties of metal and ceramic are combined, so that, when the composite material is flame sprayed, a flame sprayed coating having good mechanical strength and heat- corrosion- and wear-resistance can be obtained. Conventional composite material, in which metal and ceramic are merely mixed or mechanically bonded with one another, cannot provide a plasma sprayed coating having a high bonding strength to the substrate. The present invention improves the plasma spraying composite material by means of a chemical bond between the metal and ceramic parts. The chemical bond may be a compound-or solid solution formation between these parts. The core of the composite material is ZrO.sub.2 and the coating is a metal, metallic compound or combination thereof.

REFERENCES:
patent: 3552995 (1971-01-01), Powell
patent: 3914507 (1975-10-01), Fustukian
patent: 3920410 (1975-11-01), Kunda
patent: 3960545 (1976-06-01), Port
patent: 4068038 (1978-01-01), Montiglio
patent: 4330575 (1982-05-01), Litchfield

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