Cladding method by a laser beam

Details Cladding method by a laser beam Cladding method by a laser beam

1997-07-18

1999-06-15

Beck, Shrive

Coating processes

Direct application of electrical, magnetic, wave, or...

Electromagnetic or particulate radiation utilized

427554, 427556, C23C 2400

Patent

active

059120576

ABSTRACT:
In a cladding method for covering a surface of a base metal with a metal for coating by using a processing apparatus for supplying a levigated coating metal together with irradiating a laser beam, in a first step, a first layer of cladding is formed on a surface of the base metal, and in a second step, a second layer is formed on a cladding starting portion in the first layer in an overlapping manner. In the second step, the processing apparatus is moved to an upper position which is more apart from the base metal than in the first step. In the above manner, since the processing apparatus forms the second layer of cladding with moving the processing apparatus upward, a processing point is moved upward together with motion of the processing apparatus. As a result of this, a generation of a defect in an overlapping portion of the cladding and a neighborhood thereof can be prevented.

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patent: 5580472 (1996-12-01), Maybon
patent: 5620552 (1997-04-01), Denney

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