Load transfer in carbon nanotube epoxy composites

Applied Physics Letters - Tập 73 Số 26 - Trang 3842-3844 - 1998
Linda S. Schadler1, S. C. Giannaris1, Pulickel M. Ajayan1
1Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180-3590

Tóm tắt

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.

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Thông tin xuất bản

Applied Physics Letters

Tập 73 Số 26

3842-3844

Thông tin tác giả