On the plastic deformation of soda-lime glass-a Cr3+ luminescence study of densification

Silicate glasses are known to experience anomalous plastic behavior at micron scales: (1) they exhibit densification when flowing plastically; and (2) hydrostatic pressure affects the yield point. We have previously shown that densification maps are useful to infer a reliable constitutive law for th...

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Bibliographic Details
Published inPhilosophical magazine (Abingdon, England) Vol. 91; no. 7-9; pp. 1245 - 1255
Main Authors Perriot, A., Barthel, E., Kermouche, G., Quérel, G., Vandembroucq, D.
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.03.2011
Taylor & Francis
Subjects
Condensed Matter
constitutive model
Densification
Glass
indentation
Law
Luminescence
Materials Science
Mathematical models
Physics
Plasticity
Silicates
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Summary:Silicate glasses are known to experience anomalous plastic behavior at micron scales: (1) they exhibit densification when flowing plastically; and (2) hydrostatic pressure affects the yield point. We have previously shown that densification maps are useful to infer a reliable constitutive law for the plastic response of silicate glasses. It is shown here that for soda-lime glass Cr 3+ luminescence microspectroscopy may be used for that purpose. We also show that the constitutive law we have previously developed for amorphous silica provides a qualitative description of normal glasses, although it is unable to account for the finer details. More work is needed to quantitatively model normal-glass plasticity at the continuum length-scale.
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ISSN:1478-6435
1478-6443
1478-6433
DOI:10.1080/14786435.2010.491808