Please use this identifier to cite or link to this item: doi:10.22028/D291-24197
Title: Uniaxial stress relaxation measurement in fluoroindate glasses
Author(s): Barros Filho, Djalma De A.
Machado Ferraz, A.
Messaddeq, Younes
Aegerter, Michel A.
Language: English
Year of Publication: 1997
OPUS Source: Journal of non-crystalline solids. - 213/214. 1997, S. 336-340
SWD key words: Relaxation
DDC notations: 500 Science
Publikation type: Journal Article
Abstract: Glasses of composition 40InF3—20SrF2—16BaF2—20ZnF2—2GdF3—2NaF (mol%) have been prepared under controlled atmosphere. The time response of the stresses under the application of a constant strain was determined by microellipsometer technique, performed in ambient atmosphere at T < Tg = 294°C. The glasses show a Newtonian behavior at small stress level. During the relaxation process, very small grooves perpendicular to the applied strain appeared on the glass surface and affected its behavior after a time. The formation of these grooves is associated with the ambient atmosphere. Measurements in dry atmosphere showed that humidity was an important parameter in the relaxation process.
Link to this record: urn:nbn:de:bsz:291-scidok-24476
Date of registration: 9-Nov-2009
Faculty: SE - Sonstige Einrichtungen
Department: SE - INM Leibniz-Institut für Neue Materialien
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