Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube-Al2O3 nanocomposites

被引：13

作者：

Guo, Yan ^{[1
]}

Cho, Hoonsung ^{[1
]}

Shi, Donglu ^{[1
,2
]}

Lian, Jie ^{[3
,4
]}

Song, Yi ^{[5
]}

Abot, Jandro ^{[5
]}

Poudel, Bed ^{[6
]}

Ren, Zhifeng ^{[6
]}

Wang, Lumin ^{[3
,7
,8
]}

Ewing, Rodney C. ^{[3
,7
,8
]}

机构：

[1] Univ Cincinnati, Dept Chem & Mat Engn, Cincinnati, OH 45221 USA

[2] Shanghai Jiao Tong Univ, Res Inst Micro Nano Sci & Technol, Shanghai 200030, Peoples R China

[3] Univ Michigan, Dept Geol Sci, Ann Arbor, MI 48109 USA

[4] Rensselaer Polytech Inst, Dept Mech Aerosp & Nucl Engn, Troy, NY 12180 USA

[5] Univ Cincinnati, Dept Aerosp Engn & Engn Mech, Cincinnati, OH 45221 USA

[6] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA

[7] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA

[8] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 26期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2824865

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effects of plasma surface modification on interfacial behaviors in carbon nanotube (CNT) reinforced alumina (Al2O3) nanocomposites were studied. A unique plasma polymerization method was used to modify the surfaces of CNTs and Al2O3 nanoparticles. The CNT-Al2O3 nanocomposites were processed by both ambient pressure and hot-press sintering. The electron microscopy results showed ultrathin polymer coating on the surfaces of CNTs and Al2O3 nanoparticles. A distinctive stress-strain curve difference related to the structural interfaces and plasma coating was observed from the nanocomposites. The mechanical performance and thermal stability of CNT-Al2O3 nanocomposites were found to be significantly enhanced by the plasma-polymerized coating. (c) 2007 American Institute of Physics.

引用

页数：3

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