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Viscoelastic analysis of RFDA measurements applied to oxide glasses
- Source :
- Journal of Non-Crystalline Solids, Journal of Non-Crystalline Solids, 2020, 548, pp.120327. ⟨10.1016/j.jnoncrysol.2020.120327⟩, Journal of Non-Crystalline Solids, Elsevier, 2020, 548, pp.120327. ⟨10.1016/j.jnoncrysol.2020.120327⟩
- Publication Year :
- 2020
- Publisher :
- HAL CCSD, 2020.
-
Abstract
- International audience; The Resonance Frequency and Damping Analysis (RFDA) is now a common experimental technique to measure the elastic moduli of materials vs. temperature. Nevertheless, the elastic moduli are calculated assuming that the frequency measured is the natural one, not impacted by any damping. In oxide glasses, a significant damping occurs below the glass transition temperature, and it may impact the frequency measured, the elastic moduli calculated, as well as the estimated glass transition temperature. We show here, using the equations of linear viscoelasticity, how we can know if the frequency measured is significantly lowered by damping, and how we can estimate the natural frequency to calculate the correct elastic moduli, only from the data provided by the RFDA the frequency measured and the damping. © 2020 Elsevier B.V.
- Subjects :
- Materials science
RFDA
Oxide
02 engineering and technology
01 natural sciences
Measure (mathematics)
Damping
Viscoelasticity
chemistry.chemical_compound
0103 physical sciences
Materials Chemistry
[CHIM]Chemical Sciences
Composite material
Elastic modulus
010302 applied physics
[PHYS]Physics [physics]
Phosphate glasses
Natural frequency
IET
021001 nanoscience & nanotechnology
Condensed Matter Physics
Electronic, Optical and Magnetic Materials
chemistry
Ceramics and Composites
0210 nano-technology
Glass transition
Subjects
Details
- Language :
- English
- ISSN :
- 00223093
- Database :
- OpenAIRE
- Journal :
- Journal of Non-Crystalline Solids, Journal of Non-Crystalline Solids, 2020, 548, pp.120327. ⟨10.1016/j.jnoncrysol.2020.120327⟩, Journal of Non-Crystalline Solids, Elsevier, 2020, 548, pp.120327. ⟨10.1016/j.jnoncrysol.2020.120327⟩
- Accession number :
- edsair.doi.dedup.....9cc937fdd700d369d3b45b34eb70b240