Sillimanite,Kyanite and Andalusite in China and Their Applications Part I .Their Reserve,Distribution and Characteristics

(整期优先)网络出版时间:2003-03-13
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Sillimanite,kyaniteandandalusiteareadvantageousnaturalrefractoryrawmaterialsforaluminosilicaterefactoriestoattainimprovedkeyproperties.Thispaperarepidedintopartstointroducetheirresourceandtechnicalcharacteristicinthefirstpart,andtheirapplicationsinrefractoriesinthesecondaprttobesucceeded.Inthispart,basedonauthors'knowledgeandsources,informationontheirreserve,distribution,compositionandcharacteristicisprovided,tobringittolightthatChinaisrichinthereserveofthem,inparticularandalusite.Thesillimanitegroupmineralsarecharacterizedbytheirphasetransformationtoformprimarymulliteandsecondarymullitewhenaddedinhighaluminasystem,accompaniedbyvolumeexpansion,whichcanbetakenusetoimprovecreepresistancesandthermalshockresistanceoftherelatedrefractories.