Composite iron molybdenum boron flame spray powder

Details Composite iron molybdenum boron flame spray powder Composite iron molybdenum boron flame spray powder

1975-02-18

1976-11-09

Stallard, W.

Coating processes

Roller applicator utilized

29192CP, 75 5BA, 75 5R, 427191, B22F 102, B05B 720

Patent

active

039912400

ABSTRACT:
A composite flame spray powder comprising powder particles having as components, cast iron, molybdenum (as such and/or as ferromolybdenum), and boron (as such and/or as ferroboron), unalloyed together. The composite particles are preferably in a form having a cast iron core, of a size between -170 mesh standard screen size and +15 microns, with particles of molybdenum and boron of a size between about -20 and +0.1 microns, bound to the surface of the cast iron core with a binder, the molybdenum being present in amounts of about 20% by weight and the boron in amounts of about 1% by weight based on the total of the cast iron and molybdenum. When flame sprayed, the composite particles produce a coating having high wear and scuff resistance characteristics and low friction.

REFERENCES:
patent: 2219462 (1940-10-01), Wissler
patent: 2694647 (1954-11-01), Cole
patent: 3025182 (1962-03-01), Schrewelius
patent: 3275426 (1966-09-01), Rowady
patent: 3322546 (1967-05-01), Tanzman et al.
patent: 3428442 (1969-02-01), Yurasko, Jr.

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