Universal scaling laws of keyhole stability and porosity in 3D printing of metals

Zhengtao Gan; Orion L. Kafka; Niranjan Parab; Cang Zhao; Lichao Fang; Olle Heinonen; Tao Sun; Wing Kam Liu

doi:10.1038/s41467-021-22704-0

Nature Communications (Apr 2021)

Universal scaling laws of keyhole stability and porosity in 3D printing of metals

Zhengtao Gan,
Orion L. Kafka,
Niranjan Parab,
Cang Zhao,
Lichao Fang,
Olle Heinonen,
Tao Sun,
Wing Kam Liu

Affiliations

Zhengtao Gan: Department of Mechanical Engineering, Northwestern University
Orion L. Kafka: Department of Mechanical Engineering, Northwestern University
Niranjan Parab: X-ray Science Division, Argonne National Laboratory
Cang Zhao: X-ray Science Division, Argonne National Laboratory
Lichao Fang: Department of Mechanical Engineering, Northwestern University
Olle Heinonen: Materials Science Division, Argonne National Laboratory
Tao Sun: X-ray Science Division, Argonne National Laboratory
Wing Kam Liu: Department of Mechanical Engineering, Northwestern University

DOI: https://doi.org/10.1038/s41467-021-22704-0
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

Read online

Identifying scaling laws in metal 3D printing is key to process optimization and materials development. Here the authors report scaling laws to quantify correlation between process parameters, keyhole stability and pore formation by high-speed synchrotron X-ray imaging and multiphysics modeling.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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