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Title: Additive manufacture of electrically conductive materials

Patent ·
OSTI ID:1568224
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A method of additive manufacturing includes depositing a layer of absorptive material onto a workpiece, depositing a layer of additive manufacturing stock powder onto the workpiece, and fusing the stock powder to the workpiece using a focused energy source at a wavelength wherein the absorptive material has a higher absorptivity at the wavelength of the focused energy source than the absorptivity of the stock powder at that wavelength. The focused energy source can be a laser, e.g., with a 1064 nm wavelength, for example.

Research Organization:
Delavan Inc., Wes Des Moines, IA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000308
Assignee:
Delavan Inc. (Wes Des Moines, IA)
Patent Number(s):
10,265,771
Application Number:
14/936,428
OSTI ID:
1568224
Resource Relation:
Patent File Date: 11/09/2015
Country of Publication:
United States
Language:
English

References (3)

Laser Additive Manufacture of Three-Dimensional Components Containing Multiple Materials Formed as Integrated Systems patent-application February 2015
Copper powder for electroconductive paints and electroconductive paint compositions patent November 1991
Process and apparatus for the free-forming manufacture of three dimensional components of predetermined shape patent July 1997

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36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY