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dc.contributor.authorJusnes, Karin Fjeldstad
dc.contributor.authorTangstad, Merete
dc.contributor.authorRingdalen, Eli
dc.date.accessioned2019-05-29T07:22:49Z
dc.date.available2019-05-29T07:22:49Z
dc.date.created2018-11-30T15:32:31Z
dc.date.issued2018
dc.identifier.isbn978-3-319-95021-1
dc.identifier.urihttp://hdl.handle.net/11250/2599349
dc.description.abstractTwo quartz types used in the silicon and ferrosilicon industry were heated to temperatures of 1600 and 1700 °C. The parameters varied were the temperature and the holding time at maximum temperature. The amount of quartz, cristobalite and intermediate amorphous phase were measured using XRD and the internal standard method. Type P showed a much larger ability to transform to cristobalite at lower temperatures than type A. Type P had a larger amount of alkali and alkaline earth impurities. This could have enhanced the transformation to cristobalite. For quartz type A the amount of cristobalite was larger at 1600 °C than 1700 °C. This can also be seen for some of the samples of type P at shorter holding times.nb_NO
dc.language.isoengnb_NO
dc.publisherSpringer, Chamnb_NO
dc.relation.ispartofExtraction 2018- Proceedings of the First Global Conference on Extractive Metallurgy
dc.relation.ispartofseriesThe Minerals, Metals & Materials Series;
dc.subjectQuartz, Cristobalite, Phase transformations, Silicon production, XRDnb_NO
dc.titlePhase Transformations from Quartz to Cristobalitenb_NO
dc.typeChapternb_NO
dc.typeConference objectnb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber717-727nb_NO
dc.identifier.doi10.1007/978-3-319-95022-8_56
dc.identifier.cristin1637733
dc.relation.projectNorges forskningsråd: 256788nb_NO
dc.description.localcodePublisher embargo applies until August 19, 2019nb_NO
cristin.unitcode194,66,35,0
cristin.unitnameInstitutt for materialteknologi
cristin.ispublishedtrue
cristin.fulltextpreprint
cristin.qualitycode1


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