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

Authors:Schusser, A.
Pascual, M. J.
Prange, A.
Durán, A.
Keywords:Joining, Composites
Issue Date:2012
Publisher:Elsevier
Abstract:In 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
URI:http://hdl.handle.net/10261/60702
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Appears in Collections:(ICV) Artículos

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