Viscous sintering of non-spherical borosilicate-glass powder

dc.bibliographicCitation.firstPage73
dc.bibliographicCitation.lastPage78
dc.bibliographicCitation.volume65
dc.contributor.authorBoccaccini, Aldo R.
dc.contributor.authorOndracek, Gerhard
dc.date.accessioned2024-08-27T15:36:19Z
dc.date.available2024-08-27T15:36:19Z
dc.date.issued1992
dc.description.abstractDensification by viscous flow - instead of diffusion - may be investigated by comparing densification rates and flow rates without the effect of external load, if possible. This is why the sintering of a borosilicate-glass powder was investigated using a hot-stage microscope. The samples sintered at 888 Κ showed shrinkage anisotropy, being the ratio of the axial to the radial shrinkage < 1. The flow rate varies linearly with the densification rate due to anisotropic densification; and the ratio between flow rate and densification rate may be altered by modifying the grade of anisotropy in densification. Scherer's theory has been used to compare experimental and theoretical values and the interdependence between densification rate and density. Deviations are discussed.
dc.description.versionpublishedVersion
dc.identifier.urihttps://oa.tib.eu/renate/handle/123456789/15005
dc.identifier.urihttps://doi.org/10.34657/14027
dc.language.isoeng
dc.publisherOffenbach : Verlag der Deutschen Glastechnischen Gesellschaft
dc.relation.ispartofseriesGlastechnische Berichte
dc.relation.issn0946-7475
dc.rights.licenseCC BY 3.0 DE
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/de/
dc.subject.ddc660
dc.titleViscous sintering of non-spherical borosilicate-glass powder
dc.typearticle
dc.typeText
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