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Title

Characterization of a soldering system consisting of a glass from the system CaO-Al2O3-B2O3-SiO2 and wollastonite

AuthorsSchusser, A.; Pascual, M. Jesús ; Prange, A.; Durán, Alicia
KeywordsJoining
Composites
Issue Date2012
PublisherElsevier
AbstractIn thiswork,thecharacterizationofasolderingsystemwithwollastoniteasfilleraddedaspowdertothepowderedbaseglassis shown. Asolderingsystemconsistingofthebaseglassandacoexistingcrystallinephaseiscreatedwhichisthenpressedtopelletsand sintered tomaximumdensity. Wollastonite increasesthethermalexpansioncoefficientofthebaseglassaftersinteringthesamples.Inthepresentpaper,the sintering behaviorofthesolderingsystemandpossibleinteractionsbetweenglassandfillerareanalyzed.Also,densityandporosityafter sintering andtheresultingcrystallinephasesarecharacterized. The mixtureswithwollastonitecontentsupto30%showedsuitablesinteringbehaviorandgooddensity(lowporosity).From40% wollastonite on,thesinteringofthesampleswasnotsatisfyingandporositywasstillhighaftersintering.Themaincrystallinephases were anorthite,wollastoniteandpseudowollastonite,whichoccurredinallsamples.Thisshowsthatallthreephasesarecoexisting phases oftheglasscomposition.
Publisher version (URL)http://dx.doi.org/10.1016/j.ceramint.2012.10.213
URIhttp://hdl.handle.net/10261/60702
DOI10.1016/j.ceramint.2012.10.213
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