System and method for high power diode based additive manufacturing

El-Dasher, Bassem S.; Bayramian, Andrew; DeMuth, James A.; Farmer, Joseph C.; Torres, Sharon G.

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Title: System and method for high power diode based additive manufacturing

Abstract

The present disclosure relates to a system for performing an Additive Manufacturing (AM) fabrication process on a powdered material (PM) forming a substrate. The system uses a first optical subsystem to generate an optical signal comprised of electromagnetic (EM) radiation sufficient to melt or sinter a PM of the substrate. The first optical subsystem is controlled to generate a plurality of different power density levels, with a specific one being selected based on a specific PM forming a powder bed being used to form a 3D part. At least one processor controls the first optical subsystem and adjusts a power density level of the optical signal, taking into account a composition of the PM. A second optical subsystem receives the optical signal from the first optical subsystem and controls the optical signal to help facilitate melting of the PM in a layer-by-layer sequence of operations.

Inventors:: El-Dasher, Bassem S.; Bayramian, Andrew; DeMuth, James A.; Farmer, Joseph C.; Torres, Sharon G.

Issue Date:: 2022-12-27

Research Org.:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1986974

Patent Number(s):: 11534865

Application Number:: 16/728,929

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA)

DOE Contract Number:: AC52-07NA27344

Resource Type:: Patent

Resource Relation:: Patent File Date: 12/27/2019

Country of Publication:: United States

Language:: English

Citation Formats


                    El-Dasher, Bassem S., Bayramian, Andrew, DeMuth, James A., Farmer, Joseph C., and Torres, Sharon G. System and method for high power diode based additive manufacturing.  United States: N. p., 2022. 
        Web.

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                    El-Dasher, Bassem S., Bayramian, Andrew, DeMuth, James A., Farmer, Joseph C., & Torres, Sharon G. System and method for high power diode based additive manufacturing.  United States.

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                    El-Dasher, Bassem S., Bayramian, Andrew, DeMuth, James A., Farmer, Joseph C., and Torres, Sharon G. Tue .  
        "System and method for high power diode based additive manufacturing".  United States.  https://www.osti.gov/servlets/purl/1986974.

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@article{osti_1986974,

  title        = {System and method for high power diode based additive manufacturing},

  author       = {El-Dasher, Bassem S. and Bayramian, Andrew and DeMuth, James A. and Farmer, Joseph C. and Torres, Sharon G.},

  abstractNote = {The present disclosure relates to a system for performing an Additive Manufacturing (AM) fabrication process on a powdered material (PM) forming a substrate. The system uses a first optical subsystem to generate an optical signal comprised of electromagnetic (EM) radiation sufficient to melt or sinter a PM of the substrate. The first optical subsystem is controlled to generate a plurality of different power density levels, with a specific one being selected based on a specific PM forming a powder bed being used to form a 3D part. At least one processor controls the first optical subsystem and adjusts a power density level of the optical signal, taking into account a composition of the PM. A second optical subsystem receives the optical signal from the first optical subsystem and controls the optical signal to help facilitate melting of the PM in a layer-by-layer sequence of operations.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {12}

}

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