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Levent Burak Kara

Carnegie Mellon University

Pittsburgh, PA 15213-3890

United States

  • Carnegie Mellon University

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Scholarly Papers (1)

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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
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Abstract:

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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