R_2O-RO-Al_2O_3-B_2O_3-SiO_2系统快烧自生乳浊釉的化学组成与分相行为  

THE COMPOSITION AND PHASE-SEPARATION OF FAST FIRING SPONTANEOUS GLAZE OF SYSTEM R_2O-RO-Al_2O_3-B_2O_3-SiO_2

作　　者：李伟东[1] 黄建国[2] 孙承绪[1] 张樵英[3] 

机构地区：[1]华东理工大学材料学院,上海200237 [2]中科院上海硅酸盐研究所,上海200050 [3]华侨大学材料物化所,泉州362011

出　　处：《中国陶瓷》2001年第1期7-11,共5页China Ceramics

基　　金：国家自然科学基金!资助项目 ;项目编号 :5970 2 0 1 2 ;福建省自然科学基金!资助项目 ;项目编号 :E970 1 4 ;F990 2 2

摘　　要：本研究选择具有大范围实用分相区、适合快速烧成的R2 O(K2 O ,Na2 O) -RO(CaO ,MgO ,ZnO) -Al2 O3-B2 O3-SiO2 系统 ,研究了该多元系统全熔块乳浊釉组成与结构间的相互关系。通过优化组成设计及物理化学过程的控制 ,使釉熔体在快速烧成过程中自发产生分相 ,形成微米 -亚微米级液 -液不混溶结构 ,从而产生良好的乳浊效果。本文对各氧化物对分相过程的影响进行了讨论。The multi component system R 2O(K 2O,Na 2O) RO(CaO,MgO,ZnO)-Al 2O 3-B 2O 3 - SiO 2 which contains wide practical liquid liquid immiscibility region and fits for single fast firing cycle was adopted. The interdependence between composition and microstructure for fritted glazes in the above system was investigated. Through optimizational composition design and control of the physical chemistry process,phase separation spontaneously takes place in glaze melt during fast firing, accordingly micron or sub-micron scaled liquid liquid immiscibility structure forms. This enables the resultant glaze to attain a good opacification appearance. Effect of various oxides on phase-separation was discussed in this paper.

关 键 词：分相釉 乳浊釉 快速烧成 陶瓷釉 R2O-RO-Al2O3-B2O3-SiO2系统 组成 

分 类 号：TQ174.614[化学工程—陶瓷工业] TQ174.43[化学工程—硅酸盐工业]