Dynamic Mechanical Property of Quasi Constrained Layer Structural Piezoelectric Ceramic/Carbon Black/Epoxy Resin Composites

Abstract:

Two-step casting method was developed for preparing quasi constrained layer damping structural polymeric composite. Quasi constrained layer structural piezoelectric ceramic P82/carbon black(CB)/epoxy resin(EP) composites were successfully prepared when the ceramic content was less than 30% in volume. Dynamic mechanical analysis(DMA) showed that the composites with quasi constrained layer structure exhibited perfect damping properties. When the piezoelectric ceramic P82 volume fraction was 10%, the composite showed the highest loss factor peak value of 1.182, the widest damping temperature range of 44.2°C, and the largest loss area of 32.17. The storage moduli of composites with quasi constrained layer structures were higher than that with non quasi constrained layer structure.

• Periodical: Advanced Materials Research (Volumes 284-286)
• Pages: 429-433
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.284-286.429
• Online since: July 2011
• Authors: Wen Chao Huang, Tao Wei, Min Xian Shi
• Keywords: Dynamic Mechanical Property, Piezoelectric Composite, Quasi Constrained Layer Structure

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