Composite bearing structure of alternating hard and soft metal,

Details Composite bearing structure of alternating hard and soft metal, Composite bearing structure of alternating hard and soft metal,

1983-03-09

1984-10-02

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

428627, 219121LE, 308DIG8, 384282, F16C 3324, B23K 2600

Patent

active

044748612

ABSTRACT:
A bearing structure having a substrate and a bearing surface of alternating, spaced, hard metal and soft metal areas is disclosed. The hard metal is metallurgically bonded to the base metal substrate by rapidly melting in a predetermined pattern a powdered hardfacing composition disposed on a bearing precursor surface of the base metal substrate. The melting is accomplished by scanning with a laser beam, or like high intensity, concentrated energy source. The melt is allowed to solidify rapidly. Gaps formed between isolated areas of the solidified hard metal are filled with a melt of a soft metal. After solidification of the molten soft metal, the resulting composite structure is machined to a desired depth to provide the composite bearing surface.

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