The effect of AlOOH boehmite nanorods on mechanical property of hybrid composite coatings

AlOOH boehmite nanorods were used as a filler to develop sol gel based and polymer based hybrid composite coatings. The fracture toughness of the composite coatings was significantly improved by the nanorods as supported by nanoindentation test on sol gel based coatings and buckling test on polymer...

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Bibliographic Details
Main Authors: Chen, Q., Udomsangpetch, C., Shen, S. C., Liu, Y. C., Chen, Z., Zeng, X. T.
Other Authors: School of Materials Science & Engineering
Format: Article
Language:English
Published: 2012
Subjects:
Online Access:https://hdl.handle.net/10356/85282
http://hdl.handle.net/10220/8217
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Institution: Nanyang Technological University
Language: English
Description
Summary:AlOOH boehmite nanorods were used as a filler to develop sol gel based and polymer based hybrid composite coatings. The fracture toughness of the composite coatings was significantly improved by the nanorods as supported by nanoindentation test on sol gel based coatings and buckling test on polymer based coatings. The better fracture toughness of the nanorod filled composite than the conventional composite can be explained by the high aspect ratio of rigid nanorods, the orientation of nanorods along surface direction observed in the composite coatings, as well as chemical affinity between nanofillers and the matrix after they reacted with organosilane.