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printability of alloys for additive manufacturing

t. Mukherjee, J. s. Zuback

2016enadditive manufacturingalloys3d printingthermal distortioncompositional changes

Abstract

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Although additive manufacturing (AM), or three-dimensional (3D) printing, provides significant advantages over existing manufacturing techniques, metallic parts produced by AM are susceptible to distortion, lack of fusion defects, and compositional changes. This study aims to examine printability—the ability of an alloy to avoid these defects—by developing and testing appropriate theories. We employed a theoretical scaling analysis to assess the vulnerability of various alloys to thermal distortion, while a theoretical kinetic model was used to investigate the predisposition of different alloys to AM-induced compositional changes. Additionally, a validated numerical heat transfer and fluid flow model compared the susceptibilities of various alloys to lack of fusion defects. The results were corroborated with independent experimental data, reinforcing the findings. These insights are crucial for achieving distortion-free, compositionally sound, and well-bonded metallic parts. Ultimately, our research highlights the importance of selecting appropriate alloys, establishing quantitative measures for printability, and understanding the factors affecting the quality of AM-produced metallic components.

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Cite This Work

@article{7b245ac8-5152-42ed-93bd-39c6d7c3372e,
  title={printability of alloys for additive manufacturing},
  author={t. Mukherjee and J. s. Zuback},
  year={2016},
  language={en}
}
TY  - JOUR
TI  - printability of alloys for additive manufacturing
AU  - t. Mukherjee
AU  - J. s. Zuback
PY  - 2016
LA  - en
ER  -

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