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Title: Additive manufacturing power map to mitigate defects

Abstract

A laser powder bed fusion additive manufacturing system for producing a part by creating a power map that is an intelligent feed forward model to control the laser powder bed fusion additive manufacturing for producing the part and using the power map to control the laser powder bed fusion additive manufacturing for producing the part. This includes an apparatus for producing a part including a powder bed, a laser that produces a laser beam, a proportional integral derivative controller that creates a power map that describes laser power requirements as the laser moves along a path, wherein the laser power requirements prevent defects in the part.

Inventors:
; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1823829
Patent Number(s):
10974456
Application Number:
16/145,483
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 09/28/2018
Country of Publication:
United States
Language:
English

Citation Formats

Khairallah, Saad A., Guss, Gabe, King, Wayne E., and Matthews, Manyalibo Joseph. Additive manufacturing power map to mitigate defects. United States: N. p., 2021. Web.
Khairallah, Saad A., Guss, Gabe, King, Wayne E., & Matthews, Manyalibo Joseph. Additive manufacturing power map to mitigate defects. United States.
Khairallah, Saad A., Guss, Gabe, King, Wayne E., and Matthews, Manyalibo Joseph. Tue . "Additive manufacturing power map to mitigate defects". United States. https://www.osti.gov/servlets/purl/1823829.
@article{osti_1823829,
title = {Additive manufacturing power map to mitigate defects},
author = {Khairallah, Saad A. and Guss, Gabe and King, Wayne E. and Matthews, Manyalibo Joseph},
abstractNote = {A laser powder bed fusion additive manufacturing system for producing a part by creating a power map that is an intelligent feed forward model to control the laser powder bed fusion additive manufacturing for producing the part and using the power map to control the laser powder bed fusion additive manufacturing for producing the part. This includes an apparatus for producing a part including a powder bed, a laser that produces a laser beam, a proportional integral derivative controller that creates a power map that describes laser power requirements as the laser moves along a path, wherein the laser power requirements prevent defects in the part.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 13 00:00:00 EDT 2021},
month = {Tue Apr 13 00:00:00 EDT 2021}
}

Works referenced in this record:

Powder Bed Fusion Systems, Apparatus, and Processes for Multi-Material Part Production
patent-application, September 2014


Accurate three-dimensional printing
patent-application, May 2018


Process Mapping of Melt Pool Geometry
patent-application, September 2014


Additive Manufacturing System And Method
patent-application, May 2017


Fine-scale temporal control for laser material processing
patent-application, November 2017