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

页码：6591 / 6596

页数：6

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