首页|The Study of Nanostructured Interfacial Coatings on SiC Fibers by Atomic Force Microscopy
The Study of Nanostructured Interfacial Coatings on SiC Fibers by Atomic Force Microscopy
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Trans Tech Publications Ltd
Adhesion force measurements by atomic force microscopy (AFM) have been carried out to investigate the adhesion between the Si_3N_4 cantilever tip and the surface of the initial SiC-based Hi-Nicalon?, Hi-Nicalon S?, and Tyranno-SA? fibers, as well as the ZrO_2-coated and oxidized coated fibers. It was shown that the application of coating resulted in a change of the roughness parameters and a decrease of the adhesive forces between the Si_3N_4 cantilever tip and the fiber surface. Surface heterogeneity at the nanoscale could be responsible for the dispersion of adhesive forces. The results open the possibility of transferring nano mechanical information to meso or macro mechanical properties of ceramic matrix composites.
adhesioninterphaseatomic force microscopySiC fiber
N.I. Baklanova、B.N. Zaitsev
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Institute of Solid State Chemistry and Mechanochemistry SB RAS, Kutateladze st. 18 Novosibirsk 630128 Russian Federation
NETL
NSTL
Trans Tech Publications Ltd
