Preparation and in-situ high-temperature mechanical properties of Cf-SiCf reinforced geopolymer composites

被引：13
作者：
Yan, Shu [1 ,2 ]
He, Peigang [1 ,2 ]
Zhang, Yao [1 ,2 ]
Jia, Dechang [1 ,2 ]
Wang, Jinyan [1 ,2 ]
Duan, Xiaoming [1 ,2 ]
Yang, Zhihua [1 ,2 ]
Zhou, Yu [1 ,2 ]
机构：
[1] Harbin Inst Technol, Inst Adv Ceram, Harbin 150080, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150080, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2017年 / 43卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Hybrid fiber; Geopolymer; High-temperature mechanical properties; Composites; THERMAL-SHOCK RESISTANCE; CERAMIC COMPOSITES; FRACTURE-BEHAVIOR; HEAT-TREATMENT; STRENGTH;
D O I：
10.1016/j.ceramint.2016.09.192
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The hybrid C-f and SiCf reinforced geopolymer (C-f-SiCf/KGP) composites were successfully prepared by a simple method that mixing a kind of hybrid fiber preform pre-developed in geopolymer resin. The microstructure evolution and high temperature mechanical properties of the composites were studied. Results showed that all the composites showed typical amorphous structure and changed to leucite after being tested above 1000 degrees C. The high-temperature mechanical properties of the C-f-SiCf/KGP samples decreased with the temperature increasing. The composites tested at 800 and 1000 degrees C showed none catastrophic failure mode, which was attributed to the interface debonding, fiber fracturing and pulling-out.
引用
收藏
页码：549 / 555
页数：7
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