Sintering of Soda-Lime Glass Microspheres Using Spark Plasma Sintering

Sintering experiments on soda‐lime glass microspheres have been performed using spark plasma sintering in the temperature range 485°C–560°C. Samples with relative densities between 64% and 99.6% have been obtained in about 10 min. For almost fully dense samples, the microstructure exhibits an unusua...

Full description

Saved in:
Bibliographic Details
Published in:Journal of the American Ceramic Society 2011-09, Vol.94 (9), p.2926-2932
Main Authors: Ramond, Laure, Bernard-Granger, Guillaume, Addad, Ahmed, Guizard, Christian
Format: Article
Language:English
Subjects:
Ceramics
Chemical Sciences
Deformation
Densification
Density
Glass
Material chemistry
Microspheres
Microstructure
Necks
Plasma sintering
Sintering
Soda-lime glass
Spark plasma sintering
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Sintering experiments on soda‐lime glass microspheres have been performed using spark plasma sintering in the temperature range 485°C–560°C. Samples with relative densities between 64% and 99.6% have been obtained in about 10 min. For almost fully dense samples, the microstructure exhibits an unusual “interface‐like” aspect for a glass. The densification mechanism has been investigated. For temperatures below 522°C, densification proceeds by formation of necks between spheres. For temperatures of and above 522°C, it is proposed that densification proceeds by viscous flow, accommodated by plastic deformation of microspheres, and is controlled by diffusion of oxygen anions in the glass.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2011.04746.x