Laser padding material and a laser padding method using the same

Details Laser padding material and a laser padding method using the same Laser padding material and a laser padding method using the same

1990-01-19

1992-07-21

Dean, R.

Alloys or metallic compositions

Copper base

Tin containing

420473, 420485, 420487, 420490, 75247, 427 531, 21912166, C22C 906, B05D 112

Patent

active

051320835

ABSTRACT:
A laser padding material in accordance with the present invention comprises copper as its main component and at least one, as other contained elements, selected from the group consisting of 1-5 weight % of nickel (Ni), 0.2-5 weight % of silicon (Si), less than 1 weight % of boron (B), less than 2 weight % of phosphorus (P) and less than 3 weight % of manganese (Mn), whereby there can be easily formed at a high speed a padded layer which is high both in sliding friction resistance and in quality.
In accordance with a laser padding method of the present invention, since material powder having such a composition as mentioned above is blown onto a metal base material and at the same time a laser beam is irradiated thereon in an inert gas atmosphere to thereby melt the material powder and form a padded layer, there can be easily formed at a high speed a padded layer which is high both in sliding friction resistance and in quality.

REFERENCES:
patent: 2964397 (1960-12-01), Cooper
patent: 4269868 (1981-05-01), Livsey
patent: 4474861 (1984-02-01), Ecer
patent: 4725708 (1988-02-01), Kawasaki et al.
patent: 4746540 (1988-05-01), Kawasaki et al.
patent: 4832982 (1989-05-01), Mori et al.
patent: 4931323 (1990-06-01), Manitt et al.
patent: 4941919 (1990-07-01), Asada et al.
patent: 4947463 (1990-08-01), Matsuda et al.

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