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Indirect additive manufacturing process

Patent ·
OSTI ID:1998350
;
A method for indirect additive manufacturing of an object, the method comprising: (i) separately feeding a powder from which said object is to be manufactured and either a difunctional curable monomer according to Formula (I) or an adhesive polymer binder into an additive manufacturing device; (ii) dispensing selectively positioned droplets of said difunctional curable monomer or adhesive polymer binder, from a printhead of said additive manufacturing device, into a bed of said powder to bind particles of said powder with said difunctional curable monomer or adhesive polymer binder to produce a curable preform having a shape of the object to be manufactured; and, in the case of the difunctional curable monomer, (iii) curing said curable preform to form a crosslinked object.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
11,642,841
Application Number:
15/783,574
OSTI ID:
1998350
Country of Publication:
United States
Language:
English

References (3)

Effects of layer thickness and binder saturation level parameters on 3D printing process journal July 2010
An in-situ crosslinking binder for binder jet additive manufacturing journal October 2020
5 - Thermal Radiation Heat Transfer book January 2012

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