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Haolin Liu

Carnegie Mellon University

Pittsburgh, PA 15213-3890

United States

  • Carnegie Mellon University

SCHOLARLY PAPERS

2

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51

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0

Scholarly Papers (2)

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1.

Surrogate model for rapid laser powder bed fusion distortion prediction with adjustable material property input

Number of pages: 25 Posted: 23 Feb 2026
Kevin Ferguson, Haolin Liu, Xuzhe Zeng, Yu-hsuan Chen, Andrew Gillman, James Hardin, Sneha Narra and Levent Burak Kara
Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Wright Patterson Air Force Base - Air Force Research Laboratory, Wright Patterson Air Force Base - Air Force Research Laboratory, Carnegie Mellon University - College of Engineering and Carnegie Mellon University
Downloads 28 (1,345,526)

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Laser powder bed fusion, Residual Distortion, Surrogate modeling, Low-Rank Adaptation

2.

Airborne acoustic emission enables sub-scanline keyhole porosity quantification and effective process characterization for metallic laser powder bed fusion

Number of pages: 42 Posted: 29 Aug 2025
Haolin Liu, David Guirguis, Xuzhe Zeng, Logan Maurer, Vigknesh Vaithilingam Rajan, Niloofar Sanaei, Chi-Ta Yang, Jack Beuth, Anthony D. Rollett and Levent Burak Kara
Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, Carnegie Mellon University, affiliation not provided to SSRN, affiliation not provided to SSRN, Carnegie Mellon University - College of Engineering, Carnegie Mellon University - Department of Materials Science and Engineering and Carnegie Mellon University
Downloads 23 (1,411,822)

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Laser Powder Bed Fusion (LPBF), keyhole-induced (KH) defect quantification, airborne acoustics emission (AE) monitoring, linear number density of KH porosity (KHLineNum), KH regime boundary (KH-bound) inference