High-pressure elasticity and equation of state of the fluoroelastomer Viton® A-500

Zoller, Charlie M.; Simon, Jonathan; Hrubiak, Rostislav; Kenney-Benson, Curtis; Gramsch, Stephen A.; Dattelbaum, Dana M.; Ahart, Muhtar; Hemley, Russell J.

doi:10.1063/5.0293539

Title: High-pressure elasticity and equation of state of the fluoroelastomer Viton® A-500

Journal Article · Wed Sep 24 00:00:00 UTC 2025 · AIP Advances

DOI: https://doi.org/10.1063/5.0293539 · OSTI ID:3001869

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Univ. of Illinois, Chicago, IL (United States)
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Viton® A is a semi-crystalline copolymer of polyvinylidene fluoride and hexafluoropropylene used in various engineering applications due to its mechanical properties and chemical inertness. In situ ultrasonic spectroscopy and x-ray radiography measurements were performed in a Paris–Edinburgh press to measure the pressure dependence of the transverse and longitudinal acoustic velocity of the fluoroelastomer A-500 from 2.7 to 5.7 GPa at 296 K. In addition, we performed high-pressure Brillouin scattering measurements to obtain acoustic velocities from ambient pressure to 5.7 GPa to supplement the ultrasonic measurements, especially at low pressures. The acoustic velocities were then used to calculate a pressure–volume (P–V) equation of state, the bulk and shear moduli, and the Poisson's ratio. These quantities are compared with the reported pressure-dependent properties of related polymers over this range of pressures.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States); University of Rochester, NY (United States)

Sponsoring Organization:: US Army Research Office (ARO); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Grant/Contract Number:: AC02-06CH11357; NA0003975; SC0020340

OSTI ID:: 3001869

Journal Information:: AIP Advances, Journal Name: AIP Advances Journal Issue: 9 Vol. 15; ISSN 2158-3226

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

Country of Publication:: United States

Language:: English

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