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Title: A digital twin for rapid qualification of 3D printed metallic components

Journal Article · · Applied Materials Today
 [1];  [2]
  1. Pennsylvania State University, University Park, PA (United States); DOE/OSTI
  2. Pennsylvania State University, University Park, PA (United States)

The customized production of complex components by 3D printing has been hailed as a potentially transformative tool in manufacturing with important applications in health care, automotive and aerospace industries. However, after about a quarter of a century of research and development, only a handful of commercial alloys can be printed and the market value of all 3D printed products now amounts to a negligible portion of the manufacturing economy. This difficulty is attributable to a remarkable diversity in structure and properties of the printed components and susceptibility to defects. In addition, the current practice of qualifying components by prolonged trial and error with expensive printing equipment and feed stock material confine the printed products to a niche market where the high product cost and the delay in the qualification are not critical factors. In this report we explain how a digital twin or a digital replica of the printing machine will reduce the number of trial and error tests to obtain desired product attributes and reduce the time required for part qualification to make the printed components cost effective. It is shown that a comprehensive digital twin of 3D printing machine consisting of mechanistic, control and statistical models of 3D printing, machine learning and big data can reduce the volume of trial and error testing, reduce defects and shorten time between the design and production.

Research Organization:
Pennsylvania State University, University Park, PA (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE), Nuclear Energy University Program (NEUP)
Grant/Contract Number:
NE0008280
OSTI ID:
1613869
Journal Information:
Applied Materials Today, Journal Name: Applied Materials Today Journal Issue: C Vol. 14; ISSN 2352-9407
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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