Calculation and Experimental Technique for Determining the Damping Properties of Composite Materials

Abstract:

Polymer coatings are widely used for effective vibration damping of sheet or hull structures of different engineering systems. The article presents a calculation and experimental technique that enables improved accuracy and validity of damping properties determination of polymer coatings. Mathematical models to determine the parameters of the experimental specimen having a homogenous strain state of the polymer coating are obtained. Experimentally confirmed that the use of coatings based on adhesive compositions such as "Sprut" increases by 18...28 times the damping capability in metal structures. An addition of fillers in adhesive compositions "Sprut" type in a proportion of 30...50% of its weight reduces by 2.4 times the damping properties of metal structures.

• Periodical: Materials Science Forum (Volume 938)
• Pages: 46-53
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.938.46
• Online since: October 2018
• Authors: Sergei Koryagin*, O.V. Sharkov, Nikolay Velikanov
• Keywords: Composite Material, Damping Properties, Mathematical Model, Polymer Coating, Vibrations Decrement

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