摘要: Abstract Simultaneous crystallization of fluorophlogopite and beta-spodumene solid solutions is adjusted to achieve machinable porcelain with low expansion coefficient for dental application. The guided by the thermal behavior desired properties. phase tends harden body thereby impair machinability character when its proportion approaches more than 50%. An −7 °C −1 good achieved adjusting content beta-spodumene. rate heating slightly above transformation range ought not be so rapid sufficient grain growth. Heating rates 10 °C/min or higher successfully employed porcelain.
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