Preparation and characterization of sol-gel derived zirconia coated carbon fiber

被引：38
|
作者：
Li, S. [1 ]
Zhang, Y. M. [1 ]
Zhou, Y. F. [1 ]
机构：
[1] Harbin Inst Technol, Ctr Composite Mat, Harbin 150001, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2012年 / 206卷 / 23期
基金：
中央高校基本科研业务费专项资金资助;
关键词：
YSZ coated carbon fiber; Oxidation resistance; Coating surface; Mass variation; YTTRIA-STABILIZED-ZIRCONIA; NICALON(TM) FIBER; COATING TECHNIQUE; FABRICATION; DEPOSITION; FILMS;
D O I：
10.1016/j.surfcoat.2012.01.037
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Zirconia coated carbon fiber for thermal and oxidation protection was prepared through a sol-gel technique. A zirconia sol was synthesized with the zirconium oxychloride, ammonia and polyethylene glycol, each of them acting as the zirconium resource, precipitant and surfactant. The morphology, phase composition and thermal properties of the zirconia coated carbon fiber were evaluated by SEM, EDS. XRD and TG-DTA. The increase of dipping cycles can raise the thickness of the coating, while attaching more ZrO2 crystals on the coating surface. Mass variations of the 3 mol% YSZ and 2 mol% YSZ coated carbon fibers at 800 degrees C are 20% and 40%, less than the 70% of the uncoated carbon fiber. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：4720 / 4724
页数：5
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