Catalytic effect of dopants on microstructure and performance of MCMB-derived carbon laminations

被引：35

作者：

Hu, XB ^{[1
]}

Cheng, G ^{[1
]}

Zhao, BY ^{[1
]}

Wang, HM ^{[1
]}

Hu, KA ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200030, Peoples R China

来源：

CARBON | 2004年 / 42卷 / 02期

关键词：

carbon microbeads; doped carbons; graphitization; sintering;

D O I：

10.1016/j.carbon.2003.11.010

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Catalytic graphitization of carbon laminations was carried out using mesocarbon microbeads as the matrix precursor. Aqueous tape casting was used to prepare the carbon laminations, which were doped separately with Ti, ZrO2 and B4C powders. After sintering at 1400 degreesC in a vacuum, these dopants were found to enhance the degree of graphitization and improve the properties of the laminations. Ti was the most effective catalyst of the three dopants. The effects of binary dopants on the graphitization process and properties of the resulting laminations were also tested, but the catalytic effect of binary dopants was found to be less than that shown by single additives. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：381 / 386

页数：6

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