Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube- Al2 O3 nanocomposites

Yan Guo; Hoonsung Cho; Donglu Shi; Jie Lian; Yi Song; Jandro Abot; Bed Poudel; Zhifeng Ren; Lumin Wang; Rodney C. Ewing

doi:10.1063/1.2824865

Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube- Al2 O3 nanocomposites

Yan Guo, Hoonsung Cho, Donglu Shi, Jie Lian, Yi Song, Jandro Abot, Bed Poudel, Zhifeng Ren, Lumin Wang, Rodney C. Ewing

Materials Science and Engineering

Research output: Contribution to journal › Article

22 Scopus citations

Abstract

The effects of plasma surface modification on interfacial behaviors in carbon nanotube (CNT) reinforced alumina (Al2 O3) nanocomposites were studied. A unique plasma polymerization method was used to modify the surfaces of CNTs and Al2 O3 nanoparticles. The CNT- Al2 O3 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 Al2 O3 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- Al2 O3 nanocomposites were found to be significantly enhanced by the plasma-polymerized coating.

Original language	English (US)
Article number	261903
Journal	Applied Physics Letters
Volume	91
Issue number	26
DOIs	https://doi.org/10.1063/1.2824865
Publication status	Published - Dec 1 2007

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All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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Guo, Y., Cho, H., Shi, D., Lian, J., Song, Y., Abot, J., ... Ewing, R. C. (2007). Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube- Al2 O3 nanocomposites. Applied Physics Letters, 91(26), [261903]. https://doi.org/10.1063/1.2824865

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abstract = "The effects of plasma surface modification on interfacial behaviors in carbon nanotube (CNT) reinforced alumina (Al2 O3) nanocomposites were studied. A unique plasma polymerization method was used to modify the surfaces of CNTs and Al2 O3 nanoparticles. The CNT- Al2 O3 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 Al2 O3 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- Al2 O3 nanocomposites were found to be significantly enhanced by the plasma-polymerized coating.",

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Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube- Al2 O3 nanocomposites. / Guo, Yan; Cho, Hoonsung; Shi, Donglu; Lian, Jie; Song, Yi; Abot, Jandro; Poudel, Bed; Ren, Zhifeng; Wang, Lumin; Ewing, Rodney C.

In: Applied Physics Letters, Vol. 91, No. 26, 261903, 01.12.2007.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube- Al2 O3 nanocomposites

AU - Guo, Yan

AU - Cho, Hoonsung

AU - Shi, Donglu

AU - Lian, Jie

AU - Song, Yi

AU - Abot, Jandro

AU - Poudel, Bed

AU - Ren, Zhifeng

AU - Wang, Lumin

AU - Ewing, Rodney C.

PY - 2007/12/1

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AB - The effects of plasma surface modification on interfacial behaviors in carbon nanotube (CNT) reinforced alumina (Al2 O3) nanocomposites were studied. A unique plasma polymerization method was used to modify the surfaces of CNTs and Al2 O3 nanoparticles. The CNT- Al2 O3 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 Al2 O3 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- Al2 O3 nanocomposites were found to be significantly enhanced by the plasma-polymerized coating.

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10.1063/1.2824865