The Relationship Between Experimental Geometry Heat Rate and Ultrasound Wave Speed Measurement While Observing Phase Changes in Highly Attenuative Materials

Moore, David G.; Stair, Sarah Louise; Jack, David A.

doi:10.1063/1.5031606

Title: The Relationship Between Experimental Geometry Heat Rate and Ultrasound Wave Speed Measurement While Observing Phase Changes in Highly Attenuative Materials

Journal Article · Sun Apr 01 00:00:00 EDT 2018 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.5031606· OSTI ID:1429657

Moore, David G. ^[1]; Stair, Sarah Louise ^[1]; Jack, David A. ^[2]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Nondestructive Evaluation and Experimental Mechanics Department
Baylor Univ., Waco, TX (United States). Mechanical Engineering Department

Ultrasound techniques are capable of monitoring changes in the time-of-flight as a material is exposed to different thermal environments. The focus of the present study is to identify the phase of a material via ultrasound compression wave measurements in a through transmission experimental setup as the material is heated from a solid to a liquid and then allowed to re-solidify. The present work seeks to expand upon the authors’ previous research, which proved this through transmission phase monitoring technique was possible, by considering different experimental geometries. The relationship between geometry, the measured speed of sound, and the temperature profile is presented. The use of different volumes helps in establishing a baseline understanding of which aspects of the experiment are geometry dependent and which are independent. The present study also investigates the relationship between the heating rate observed in the experiment and the measured speed of sound. Lastly, the trends identified between the experimental geometry, heat rate and ultrasound wave speed measurement assist in providing a baseline understanding of the applicability of this technique to various industries, including the polymer industry and the oil industry.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000; NA0003525

OSTI ID:: 1429657

Report Number(s):: SAND-2017-11259J; 657889; TRN: US1802416

Journal Information:: AIP Conference Proceedings, Vol. 1949, Issue 1; ISSN 0094-243X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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