Load transfer in carbon nanotube epoxy composites
作者:
L. S. Schadler,
S. C. Giannaris,
P. M. Ajayan,
期刊:
Applied Physics Letters
(AIP Available online 1998)
卷期:
Volume 73,
issue 26
页码: 3842-3844
ISSN:0003-6951
年代: 1998
DOI:10.1063/1.122911
出版商: AIP
数据来源: AIP
摘要:
The mechanical behavior of multiwalled carbon nanotube/epoxy composites was studied in both tension and compression. It was found that the compression modulus is higher than the tensile modulus, indicating that load transfer to the nanotubes in the composite is much higher in compression. In addition, it was found that the Raman peak position, indicating the strain in the carbon bonds under loading, shifts significantly under compression but not in tension. It is proposed that during load transfer to multiwalled nanotubes, only the outer layers are stressed in tension whereas all the layers respond in compression. ©1998 American Institute of Physics.
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