Changes in elasticity and viscosity of a SiYA1ON glass during structural relaxation in the transformation range

Tanguy Rouxel; Jean Louis Besson; Dominique Fargeot; Stuart Hampshire

doi:10.1016/0022-3093(94)90313-1

Changes in elasticity and viscosity of a SiYA1ON glass during structural relaxation in the transformation range

Tanguy Rouxel
, Jean Louis Besson
, Dominique Fargeot
, Stuart Hampshire

Retired Staff

École nationale supérieure de céramique industrielle

Research output: Contribution to journal › Article › peer-review

Abstract

Ultrasonic echography and a three-point bending creep test have been used to study the change in Young's modulus, E, and viscosity, η, during the structural relaxation of a SiYA1ON glass at 870°C, i.e., 40°C below the glass transition temperature. The increase in viscosity has been discussed and modelled in the frame of the fictive temperature theory and a relatively good fitting has been obtained between calculation and experimental results. In addition to the evolution of E and η, Raman scattering measurement are presented, which brings to light a microstructural change during the relaxation process.

Original language	English
Pages (from-to)	44-50
Number of pages	7
Journal	Journal of Non-Crystalline Solids
Volume	175
Issue number	1
DOIs	https://doi.org/10.1016/0022-3093(94)90313-1
Publication status	Published - 2 Sep 1994

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title = "Changes in elasticity and viscosity of a SiYA1ON glass during structural relaxation in the transformation range",

abstract = "Ultrasonic echography and a three-point bending creep test have been used to study the change in Young's modulus, E, and viscosity, η, during the structural relaxation of a SiYA1ON glass at 870°C, i.e., 40°C below the glass transition temperature. The increase in viscosity has been discussed and modelled in the frame of the fictive temperature theory and a relatively good fitting has been obtained between calculation and experimental results. In addition to the evolution of E and η, Raman scattering measurement are presented, which brings to light a microstructural change during the relaxation process.",

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AU - Rouxel, Tanguy

AU - Besson, Jean Louis

AU - Fargeot, Dominique

AU - Hampshire, Stuart

PY - 1994/9/2

Y1 - 1994/9/2

N2 - Ultrasonic echography and a three-point bending creep test have been used to study the change in Young's modulus, E, and viscosity, η, during the structural relaxation of a SiYA1ON glass at 870°C, i.e., 40°C below the glass transition temperature. The increase in viscosity has been discussed and modelled in the frame of the fictive temperature theory and a relatively good fitting has been obtained between calculation and experimental results. In addition to the evolution of E and η, Raman scattering measurement are presented, which brings to light a microstructural change during the relaxation process.

AB - Ultrasonic echography and a three-point bending creep test have been used to study the change in Young's modulus, E, and viscosity, η, during the structural relaxation of a SiYA1ON glass at 870°C, i.e., 40°C below the glass transition temperature. The increase in viscosity has been discussed and modelled in the frame of the fictive temperature theory and a relatively good fitting has been obtained between calculation and experimental results. In addition to the evolution of E and η, Raman scattering measurement are presented, which brings to light a microstructural change during the relaxation process.

UR - https://www.scopus.com/pages/publications/0028761443

U2 - 10.1016/0022-3093(94)90313-1

DO - 10.1016/0022-3093(94)90313-1

M3 - Article

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JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - 1

ER -

Changes in elasticity and viscosity of a SiYA1ON glass during structural relaxation in the transformation range

Abstract

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