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Methods of additively manufacturing a structure

Patent ·
OSTI ID:1860074
;

A method of forming one or more structures by additive manufacturing comprises introducing a first layer of a powder mixture comprising graphite and a fuel on a surface of a substrate. The first layer is at least partially compacted and then exposed to laser radiation to form a first layer of material comprising the fuel dispersed within a graphite matrix material. At least a second layer of the powder mixture is provided over the first layer of material and exposed to laser radiation to form inter-granular bonds between the second layer and the first layer. Related structures and methods of forming one or more structures are also disclosed.

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC07-05ID14517
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID)
Patent Number(s):
11,177,047
Application Number:
16/801,011
OSTI ID:
1860074
Country of Publication:
United States
Language:
English

References (4)

4.1 Sintering of Ceramics book January 2003
Studies on laser defocusing effects on laser ablation inductively coupled plasma-atomic emission spectrometry using emission signals from a laser-induced plasma journal November 2002
Direct selective laser sintering of iron–graphite powder mixture journal May 2003
Effects of Sealing Run Welding with Defocused Laser Beam on the Quality of T-joint Fillet Weld journal January 2014

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