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September 10, 2025The Journal of the Acoustical Society of America

Ultrasonic evaluation of internal features in additively manufactured SS316L: Impact of process-induced microstructure heterogeneity

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Authors

HAHarshith Kumar AdepuJBJacey BirkenmeyerPPPartha Pratim Pandit

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Overview

Assessment of ultrasonic nondestructive evaluation for resolving microstructure in SS316L, highlighting impacts of heterogeneity.

Key Points

  • Ultrasonic evaluation effectively resolves internal structures in additively manufactured SS316L components, demonstrating its utility.
  • Evaluation involved laser powder bed fusion and varied process parameters such as scanning speed and laser power, revealing distinct microstructures.
  • Comparative analysis of ultrasonic measurements, intended geometries, and X-ray CT scans showcased the influence of microstructural heterogeneity.
  • The findings highlight both the potential and limitations of ultrasound for characterizing internal features in AM components.

Cite This Study

Adepu et al. (2025) studied this question.

synapsesocial.com/papers/68c1abf954b1d3bfb60e41fbhttps://doi.org/10.1121/10.0038160
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Ultrasonic evaluation of additively manufactured components with embedded structures2024
  2. 2Influence of Additive Manufacturing Route on the Mechanical Properties of SS316L: A Comparison Between LPBF and L-DED2026
  3. 3Ultrasonic measurements to differentiate hybrid processes in additively manufactured 316L stainless steel2025
  4. 4Micro-macro relationship between microstructure and mechanical behavior of 316L stainless steel fabricated using L-PBF additive manufacturing2024
  5. 5On the site-specific microstructure evolution in 316L stainless steel via tuning concentric laser-powder bed fusion printing strategies2026 · 1 citations