Surface roughness of Nicalon fibre

The NL-200 Nicalon fibre surface exhibits periodic roughness all around its circumference, the mean depth of which decreases as the period decreases, possibly following a fractal law. The deepest roughness detectable is in the 70-100 nm range, while the smoothest is 1-4 nm, but several intermediate...

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Bibliographic Details
Published in:Journal of materials science letters 1994-11, Vol.13 (22), p.1645-1646
Main Authors: LE COUSTUMER, P, MONTHIOUX, M, DESPRES, J.-F
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic and carbon fibers
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Technical ceramics
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Summary:The NL-200 Nicalon fibre surface exhibits periodic roughness all around its circumference, the mean depth of which decreases as the period decreases, possibly following a fractal law. The deepest roughness detectable is in the 70-100 nm range, while the smoothest is 1-4 nm, but several intermediate roughnesses may be found, depending on the observation scale. Longitudinally, the roughness of upper orders, which are associated with longitudinal striations, are missing, and only roughness depths below about 15-20 nm are found. Calculations concerned with the mechanical or tribological behaviour of composites should take into account the surface topology of the fibre used as reinforcement. 6 refs.
ISSN:0261-8028
1573-4811
DOI:10.1007/BF00704528