Method to apply multiple materials with selective laser...

Details Method to apply multiple materials with selective laser... Method to apply multiple materials with selective laser...

B - Operations, Transporting

23

K

B23K 26/00 (2006.01) B23K 26/34 (2006.01)

Patent

CA 2717834

Disclosed is a method for manufacturing an article (1), particularly a prototype of a product or component, a tool prototype or spare part, by using selected laser melting. Specifically, for the application onto the article (1) of a layer (13) or portion of a second metallic material, which is different from the material of the first metallic powder (4), a tape (12), sheet (14), foil or three-dimensional pre-form (18) of a second material is applied to the article (1) and is heated by means of a focused laser or electron beam (6) to a specified temperature such that the tape (12), sheet (14), foil or pre-form, respectively, are molten by the or electron laser beam (6), wherein the focused beam (6) is applied to a given area corresponding to a selected cross-sectional area of the model of the article (1) under formation of a new layer or part made of second material integral with the article (1).

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