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1)  mullite whisker
莫来石晶须
1.
And then, high-purity and single crystal mullite whisker were producted after calcine stage.
通过溶胶─凝胶工艺制备了莫来石前驱体,加入适当矿化剂经高温煅烧合成了高纯、单相莫来石晶须
2.
In this paper,the mullite whisker growth mechanism and the factors related to mullite whisker growth were investigated through the experiment which in-situ synthesized mullite whisker at high temperature by using kaolin and industrial aluminium hydroxide as raw materials and AlF3 and V2O5 as additives.
本文通过以高岭土、工业氢氧化铝为原料,添加适量AlF3和V2O5,在高温下原位合成了莫来石晶须,采用扫描电镜(SEM)研究了合成的莫来石晶须的微观形貌,探讨了莫来石晶须的生长机理,并讨论了影响莫来石晶须生长的相关因素。
3.
The study is on synthesis of mullite whiskers by sol-gel method,using industrial alumina sol and silica sol as raw materials.
以工业纯铝溶胶和硅溶胶为原料,采用溶胶-凝胶工艺制备了莫来石晶须
2)  mullite whiskers
莫来石晶须
1.
The mullite whiskers were prepared by wet chemicl method.
本文采用湿化学法制备莫来石晶须,主要讨论了氟化物对晶须形成的影响。
2.
The experimental results show that the AlF3 and SiF vapor produced at high temperature react on the surface of mullite nuclei to form the mullite whiskers in high aspact ratio by Vapor - Solid(VS) mechanism.
本研究采用湿化学法制备莫来石晶须,主要讨论了晶须生长机理。
3)  mullite whisker(fiber)
多晶莫来石晶须(纤维)
4)  synthesization mullite whisker in-site
原位生成莫来石晶须
5)  mullite whiskers reinforced composites
莫来石晶须增强复合材料
6)  mullite whisker reinforced ZTA ceramic composite
莫来石晶须补强ZTA陶瓷基复合材料
补充资料:莫来石晶须
分子式:3Al2O3·2SiO2
CAS号:

性质:一种非金属晶须。将无水AlF3和SiO2粉按12:13质量摩尔比混合后,在无水SiF4气氛中加热,反应过程分两步完成。700~950℃生成棒状晶体黄玉。2AlF3+2SiO2→Al2(SiO4)F2+SiF41150~1400℃生成针状莫来石晶须:6[Al2(SiO4)F2]+2SiO2→2Al2O3·2SiO2+3 SiF4即:12AlF3+13SiO2→2(3Al2O3·2SiO2)+9 SiF4莫来石晶须可与陶瓷基本复合材料,诸如锆英石(ZrO2·SiO2)、莫来石(3Al2O3·2SiO2)、刚石(Al2O3)和石英(SiO2)有良好的化学相容性,也可用作金属复合材料的增强体。

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