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PREPARATION AND PROPERTIES OF POROUS MICRO-CRYSTALLINE GLASS
Author(s): 
Pages: 31-34
Year: Issue:  4
Journal: China Ceramic Industry

Abstract: 以废玻璃为主要原料,用V2O5作为成核荆,再加入其它辅助原料制备了多孔微晶玻璃,研究了发泡温度、保温时间等因素对多孔微晶玻璃泡径及性能的影响.结果表明,发泡温度越高,泡径越大,制品密度越小,最佳发泡温度为725℃;保温时间越长,泡径越大,当在725℃保温25min时,析出的晶体有SiO2、Al2SiO5及Na2Ca2(SiO3)3,平均泡径为2.039mm,密度为0.65g·cm-3,热膨胀系数为...
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