注凝石英陶瓷材料生产过程中碱土金属引起的析晶问题分析  

The Analysis of Crystallization Problems in the Production of Gel-casting Fused Silica Ceramic Materials Caused by Alkaline Earth Metals

作　　者：曹俊倡[1] 张庆利 栾婷 杨显锋[1] 李凯 CAO Jun-chang;ZHANG Qing-li;LUAN Ting;YANG Xian-feng;LI Kai(Shandong Industrial Ceramic Research&Design Institute Co.,Ltd.,Zibo 255000,China;Military Representative Office of PLA Air Force Equipment Department in Jinan Region,Jinan 250023,China;China Building Material Test&Certification Group Zibo Co.,Ltd.,Zibo 255000,China)

机构地区：[1]山东工业陶瓷研究设计院有限公司,淄博255000 [2]空军装备部驻济南地区军事代表室,济南250023 [3]中国建材检验认证集团淄博有限公司,淄博255000

出　　处：《佛山陶瓷》2022年第11期15-18,25,共5页Foshan Ceramics

摘　　要：本文介绍了注凝石英陶瓷生产过程中碱土金属引起的几种析晶现象,重点分析了碱土类金属对材料析晶和强度的影响。采用原子吸收和XRD对材料的元素组成和晶相进行了测试,分析了析晶的形成原因和析晶对材料产生的影响,提出了解决和避免材料析晶的有效措施。In this paper,several common crystallization phenomena caused by alkaline earth metals in the production of fused silica ceramics were introduced,analyzed and summarized.The effects of alkaline earth metals on the crystallization and strength of the materials were analyzed.The element composition and crystal phase of the crystallized materials were tested by atomic absorption and XRD.The reasons for the crystallization on the materials were analyzed and its influences were test.In the end,the effective measures to avoid the crystallization were put forward.

关 键 词：注凝成型 石英陶瓷 析晶 XRD 碱土类金属 

分 类 号：TQ174.6[化学工程—陶瓷工业]