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Sound Velocity and Equation of State of Ballistic Gelatin by Brillouin Scattering

Journal Article · · Materials
DOI:https://doi.org/10.3390/ma16031279· OSTI ID:1923047
 [1];  [2]
  1. Univ. of Illinois, Chicago, IL (United States); University of Illinois Chicago
  2. Univ. of Illinois, Chicago, IL (United States)

Brillouin scattering spectroscopy with diamond anvil cells was used by measuring the pressure dependence of the sound-relevant polymer material, glass-forming liquid, and H2O (water and ice VII) velocities of the material from ambient pressure to 12 GPa at room temperature. Measurements of 20%, 10%, and 4% gelatin solutions were performed. For comparison purposes, we also measured the pressure dependence of the sound velocity of animal tissue up to 10 GPa. We analyzed the Brillouin data using the Tait and Vinet equations of state. We discussed the possible influence of frequency dispersion on bulk modulus at low pressure. We compared the elastic moduli obtained for gelatin to those of several other polymers.

Research Organization:
Univ. of Illinois, Chicago, IL (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)
Grant/Contract Number:
NA0003975
OSTI ID:
1923047
Journal Information:
Materials, Journal Name: Materials Journal Issue: 3 Vol. 16; ISSN 1996-1944
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

References (30)

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High-pressure Brillouin scattering of amorphous BeH2 journal January 2006
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