Boron-hardened tungsten facing alloy

Details Boron-hardened tungsten facing alloy Boron-hardened tungsten facing alloy

1972-08-24

1976-03-30

Satterfield, Walter R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

291912, 204164, 427223, C22C 1900

Patent

active

039472698

ABSTRACT:
This invention relates to an alloy useful as a hard facing material. The alloy comprises a matrix such as a nickel-chromium matrix containing a separate interstitially boron-hardened tungsten phase. The alloy is used as a facing or coating for a number of base materials, and in particular as a piston ring facing. The invention is also concerned with a method of making said alloy by utilizing a plasma jet spray technique.

REFERENCES:
patent: 3096149 (1963-07-01), Gruber
patent: 3166833 (1965-01-01), Globus
patent: 3171192 (1965-03-01), Ortner et al.
patent: 3265494 (1966-08-01), Baldwin et al.
patent: 3313633 (1967-04-01), Longo
patent: 3475165 (1969-10-01), Cape
patent: 3698055 (1972-10-01), Holtz et al.
patent: 3725017 (1973-04-01), Prasse et al.

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