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High-performance piezo-damping materials based on CNTs/BaTiO3/ F-PAEK-b-PDMS under high temperature steam conditions
journal contributionposted on 2018-09-15, 00:00 authored by X Yu, Y Zhang, L Jin, Jingyu Chen, Z Jiang
Polymeric piezo-damping composites with robust piezo-damping performance under high temperature steam conditions are highly desirable. In this study, we demonstrate a novel piezo-damping material, consisting of fluorinated (polyaryletherketone)-(polydimethylsiloxane) block copolymers (F-PAEK-b-PDMS) as matrix, multi-walled carbon nanotubes (CNTs) as conductive filler, and barium titanate (BT) as piezoelectric phase. Taking the advantages of hydrophobic property of PDMS and good thermal stability of F-PAEK, piezo-damping materials exhibit good stability under high temperature steam conditions. Furthermore, for the incompatibility between F-PAEK and PDMS, microphase separation appears, which can greatly increase the friction between molecules for better damping capability. Good damping performances that loss factor > 0.3 over a broad temperature range of 55–115 °C (≈60 °C) can be achieved. Those outstanding performances can effectively broaden the practical application of piezo-damping composites under harsh conditions.
JournalApplied surface science
Pagination429 - 436
LocationAmsterdam, The Netherlands
Publication classificationC1 Refereed article in a scholarly journal
Copyright notice2018, Elsevier B.V.
CategoriesNo categories selected
Poly aryl ether ketoneBlock copolymerMicrophase separationCompositesPiezo-dampingScience & TechnologyPhysical SciencesTechnologyChemistry, PhysicalMaterials Science, Coatings & FilmsPhysics, AppliedPhysics, Condensed MatterChemistryMaterials SciencePhysicsMECHANICAL-PROPERTIESCARBON NANOTUBESNETWORK HYDROGELPOLYMER NETWORKEPOXYMICROSTRUCTUREELECTROLYTEELASTOMERSMORPHOLOGY