期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 38, 期 12, 页码 2493-2499出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2007.08.004
关键词
UHMWPE; multiwalled carbon nanotube; stiffness; mechanical testing
In the present work, multiwalled carbon nanotube (MWNT) reinforced UHMWPE composite films were prepared by electrostatic spraying followed by consolidation. X-ray diffraction and differential scanning calorimetry studies showed a decrease in the crystallinity of UHMWPE due to the nature of the fabrication process as well as addition of MWNT. Tensile test showed an 82% increase in the Young's modulus, decrease in stress to failure from 14.3 to 12.4 MPa and strain to failure from 3.9% to 1.4% due to 5% addition of MWNT. Raman spectra showed the presence of compressive stresses in the nanotubes. Fracture surface showed presence of pullout like phenomena in the MWNT reinforced film. (c) 2007 Elsevier Ltd. All rights reserved.
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