|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
高熔点复合氧化物陶瓷的相可控低温烧成
Abstract:
提出以玻璃陶瓷的母体玻璃作为烧结助剂,低温液相烧结复合氧化物陶瓷的技术思路。研究了BaO–Al2O3–SiO2(BAS)玻璃的高温黏流特性和降温析晶特性,以确定其液相烧结工艺。以BAS玻璃作为烧结助剂,由液相烧结制备了Y2Si2O7,Y2SiO5,3Al2O3·2SiO2或La2Zr2O7复合氧化物陶瓷。结果表明采用钡长石玻璃陶瓷的母体玻璃作为烧结助剂,可实现高熔点复合氧化物陶瓷的低温烧成,能制备以设计的复合氧化物为主晶相,母体玻璃析晶得到钡长石为次晶相的复合氧化物陶瓷。
| [1] | WEBSTER J D,WESTWOOD M E,HAYES F H,et al.Oxidation protection coatings for C/SiC based on yttrium silicate[J].J Eur Ceram Soc,1998,18:2345–2350. [2]BANSAL N P,SETLOCK J A.Fabrication of fiber-reinforced celsian matrix composites[J].Compos Part A,2001,32(8):1021–1029. [3]果世驹.粉末烧结理论[M].北京:冶金工业出版社,1998:301–302.GUO Shiju,Powder Sintering Theory(in Chinese).Beijing:Metal-lurgy Industry Press,1998:301–302. [4]杨觉明,周万城,包小平,等.成分对烧结BAS(BaAl2Si2O8)凝胶玻璃形成的影响[J].无机材料学报,2003,18(6):1187–1191.YANG Jueming,ZHOU Wancheng,BAO Xiaoping,et al.J Inorg Ma-ter(in Chinese),2003,18(6):1187–1191. [5]FUKUDA K,MATSUBARA H.Thermal expansion ofδ-yttrium dis-ilicate[J].J Am Ceram Soc,2004,87(1):89–92. [6]BANSAL N P.Celsian formation in fiber-reinforced barium alumi-nosilicate glass-ceramic matrix composites[J].Mater Sci Eng A,2003,342(1/2):23–27.
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
