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    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/52963


    Title: Al2O3-and ZrO2-modified dental glass ceramics
    Authors: J. M. Tzeng;J. G. Duh;K. H. Chung;C. C. Chan
    教師: 杜正恭
    Date: 1993
    Publisher: Springer Verlag
    Relation: Journal of Materials Science
    Volume 28, Number 22, 6127-6135
    Keywords: Al2O3
    ZrO2
    Abstract: Castable machinable glass-ceramics have been widely considered as aesthetic materials for dental restoration. In order to extend their applications to bridge-work fabrication, it is necessary to increase their fracture strength and fracture toughness. The effects of ziconia and alumina additions on the properties of glass-ceramics, especially on the mechanical properties were studied. It was found that appropriate addition of alumina increases the bending strength due to aluminium strengthening the glass-ceramic by means of incorporation into the glass network. However, additions of ziconia fail to show promising results on the mechanical property. The evolution of recrystallization and the associated microstructure were also studied and are discussed.
    URI: http://www.springerlink.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/52963
    Appears in Collections:[材料科學工程學系] 期刊論文

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