王宝全
,
余建波
,
任忠鸣
,
曾宇平
无机材料学报
doi:10.3724/SP.J.1077.2012.00239
为了解决铝基陶瓷型芯难于烧结和不易脱芯的难题, 在样品中加入了一定量的SiO2. 利用干压法制备了多孔氧化铝基陶瓷型芯样品, 研究了不同SiO2的添加量、烧结温度和保温时间对样品性能的影响. 研究结果表明: 经1500℃烧结保温2 h和1600℃烧结降温2...
关键词:
多孔
,
alumina-based ceramic core
,
shrinkage
,
bending strength
,
porosity
,
bulk-density
H.F.Hu
,
Z.H.Chen and C.J.Zhou Department of Material Engineering & Applied Chemistry
,
National University of Defense Technology
,
Changsha 410073
,
China
金属学报(英文版)
The pyrolytic process of polycarbosilane (PCS) with active fillers (Ti, TiH 2, TiB 2, Cr, CrSi 2) is investigated. The ceramic yields with active fillers reach over 100% in N 2 atmosphere, and no shrinkage occurs when 12vol% Ti, or 4vol% Cr, or 3vol% CrSi 2 is added into PCS. XRD patterns indic...
关键词:
polycarbosilane
,
null
,
null
,
null
,
null