Hardsurfacing material for engine components and method for depo

Details Hardsurfacing material for engine components and method for depo Hardsurfacing material for engine components and method for depo

1991-01-28

1994-03-08

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912147, 219 7616, 219 7615, 219121, 219 49, 4273983, 4273982, 228222, B23K 900

Patent

active

052930262

ABSTRACT:
A method for applying a hardsurfacing material to a workpiece such as a reciprocating aircraft engine tappet in which a carbon-containing wear resistant material in powder form is applied to a surface of the workpiece in the molten state while a sharp temperature gradient is established from the surface into the body of the workpiece to ensure that solidification occurs from the body upward. The resulting surface material consists of wear resistant carbides in a tough martensitic matrix with minimal formation of graphite.

REFERENCES:
patent: 2318263 (1943-05-01), Smith, Jr.
patent: 3182361 (1965-05-01), Trimble
patent: 4230928 (1980-10-01), Janssen
patent: 4621183 (1986-11-01), Takeuchi et al.
patent: 4660756 (1987-04-01), Geisseler
patent: 4745256 (1988-05-01), Shubert
patent: 4894505 (1990-01-01), Malone et al.

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