Carbon-bonded carbon fiber composites containing uniformly distributed silicon carbide

被引：18
作者：
Zhang, Xinghong [1 ]
Xu, Baosheng [1 ]
Hong, Changqing [1 ]
Han, Jiecai [1 ]
Qin, Faxiang [2 ]
Han, Wenbo [1 ]
Cheng, Haiming [1 ]
Liu, Chen [1 ]
He, Rujie [3 ]
机构：
[1] Harbin Inst Technol, Sci & Technol Adv Composites Special Environm Lab, Harbin 150001, Peoples R China
[2] Natl Inst Mat Sci, Nanomatrials Grp 1D, Tsukuba, Ibaraki 3050047, Japan
[3] Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst LTCS, Beijing 100871, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 13期
基金：
中国国家自然科学基金;
关键词：
SELECTIVE CATALYTIC-REDUCTION; MECHANICAL-PROPERTIES; ACTIVATED CARBON; POLYETHYLENEIMINE; NANOTUBES; POLYMER; INFILTRATION; FLOCCULATION; COMPRESSION; ADSORPTION;
D O I：
10.1039/c3ra44913k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Carbon-bonded carbon fiber composites (CBCFs) containing SiC particles with uniform microstructure were produced using an innovative dispersion and flocculent approach. The mixed phenolic (P-f), SiC particles and chopped carbon fibers (C-f) were blended uniformly using polyethyleneimine (PEI) as a dispersant and polyacrylamide (PAM) as a flocculating agent. A homogeneous distribution of SiC particles coated CBCFs was obtained with the addition of 0.6 wt% PEI and 0.8 wt% PAM. The effect of PEI and PAM content on the microstructure, slurry dispersibility and stability of SiC-modified CBCFs was investigated. The compressive strength and compression modulus of the SiC-modified CBCFs were improved compared with unmodified CBCFs. This simple and versatile approach can be used to prepare large-scale and modified CBCFs.
引用
收藏
页码：6591 / 6596
页数：6
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