Anders Appelgren

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About

Anders Appelgren is a researcher whose work bridges the critical intersection of additive manufacturing and non-destructive evaluation (NDE). His primary research areas include ultrasonic testing (UT) for metal deposition (MD) processes and the development of automated inspection techniques for complex, three-dimensional metal geometries. Appelgren’s major contribution lies in advancing the application of UT to detect internal flaws—such as lack of fusion, porosity, and cracks—within additively manufactured components, a field where quality assurance is paramount for safety-critical parts. His most-cited paper, "Automatic Ultrasonic testing for Metal Deposition" (2012, 9 citations), established foundational methods for integrating real-time, automated UT into the MD workflow, enabling in-process defect detection without interrupting production. This work is particularly impactful for industries like aerospace and energy, where high-stress components demand rigorous inspection. While his citation count reflects a specialized, emerging field, Appelgren’s research is notable for its practical, industrial focus, directly addressing the challenge of ensuring structural integrity in additively manufactured metals. His achievements underscore a commitment to making additive manufacturing safer and more reliable, paving the way for broader adoption of these technologies in mission-critical applications.