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It will be helpful to the rational design of the coating damping by studying the effect of changes in coating thickness on structural damping properties.

In Fig. 2, No obvious damping amplitude effect was observed for the substrate, while the damping of the PS and ED coating systems displayed distinct difference, which could result from the different microstructures of the two coating materials and had nothing to do with the substrate.

Therefore, what accounted for the complex damping amplitude effect should be the coating but not the substrate.

[ Last edited by wxqtjw on 2013-6-12 at 22:44 ]

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wxqtjw: ½ð±Ò+10, ·­ÒëEPI+1 2013-06-13 19:22:08
it will be helpful and indicative to design the damping propertis of coating layers reasonably by investigating the effects of coating thickness varitions on the damping properties.

In Fig. 2, No obvious damping amplitude effect was observed for matrix. Neverthelss, distinct damping properties were observed between PS and ED coating systems,  which may be related with the mcrostructure of corating layer rather than the matrix.

therefore, the coeating layer, instead of matrix, is considered to be responsible for the damping amplitude effect.

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