Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 83, Issue -, Pages 22-26Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2013.04.014
Keywords
Glass fiber; Polymer-matrix composites (PMCs); Interface; Interphase; Atomic force microscopy (AFM)
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Funding
- Czech Science Foundation [P106/11/0738, P205/12/J058]
- Technology Agency of the Czech Republic [TA01010796]
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Atomic force microscopy (surface topography, phase imaging, lateral forces), atomic force acoustic microscopy, and dynamic mechanical analysis (modulus mapping) were used to characterize the interphase region of unsized, industrially sized, and plasma coated glass fibers (GF) in GF/polyester composite. The nanoscale imaging techniques revealed the sharp changes in mechanical properties within 0.1 mu m of the interlayer/fiber and matrix/interlayer interfaces for plasma polymer coated fibers, or at the matrix/fiber interface in the case of unsized fibers. A region of modified matrix with a thickness of 0.5 mu m was determined near the fiber surface in the case of industrially sized fibers. (C) 2013 Elsevier Ltd. All rights reserved.
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