Determining ultrasound attenuation parameter from fringe spectrum of ultrasound Fabry-Pérot Resonator (UFPR) for sensitization detection

Songwei Wang; Haiying Huang

doi:10.1117/12.3016471

10 May 2024 Determining ultrasound attenuation parameter from fringe spectrum of ultrasound Fabry-Pérot Resonator (UFPR) for sensitization detection

Songwei Wang, Haiying Huang

Author Affiliations +

Proceedings Volume 12949, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2024; 1294918 (2024) https://doi.org/10.1117/12.3016471
Event: SPIE Smart Structures + Nondestructive Evaluation, 2024, Long Beach, California, United States

Abstract

Ultrasound attenuation plays a vital role in mechanical engineering for material characterization and non-destructive testing. Determining the attenuation parameter can be challenging in applications involving microstructural changes. This paper introduces a novel method for determining the ultrasound attenuation parameter using fringe spectrum analysis from a UFPR, enhancing the sensitivity in detecting attenuation parameter shifts with microstructural changes in aluminum alloy and providing a quantification of these shifts by employing a metric derived from standard method. The UFPR, drawing on principles from optical/microwave Fabry-Perot interferometry, offers fringe frequency domain analysis as an alternative to conventional time-or-frequency-domain analysis, providing deeper insight into material properties. Our research studied the sensitized aluminum alloys that the Al-Mg particles precipitate at the grain boundaries due to prolonged heat exposure, which is ambiguous with the ultrasound attenuation parameters determined from conventional methods.

Conference Presentation

Citation Download Citation

Songwei Wang and Haiying Huang "Determining ultrasound attenuation parameter from fringe spectrum of ultrasound Fabry-Pérot Resonator (UFPR) for sensitization detection", Proc. SPIE 12949, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2024, 1294918 (10 May 2024); https://doi.org/10.1117/12.3016471

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