A co-continuous piezocomposite architecture is presented to achieve mechanical flexibility and piezoelectricity simultaneously in piezoelectric materials. This architecture is comprised of an active ferroelectric ceramic phase and a passive flexible polymer phase, which are separated by a tailorable phase interface. Triply periodic minimal surfaces are used to define the phase interface, due to their excellent elastic properties and load transfer efficiency. A Suspension-Enclosing Projection-Stereolithography process is used to additively manufacture this material. Post processes including polymer infiltration, electroding and poling are introduced. Piezoelectric properties of the piezocomposites are numerically and experimentally studied. The results highlight the role of tailorable triply periodic phase interfaces in promoting mechanical flexibility and piezoelectricity of co-continuous piezocomposites.
- Manufacturing Engineering Division
Co-Continuous Piezocomposites With Triply Periodic Phase Interfaces for Enhanced Mechanical Flexibility and Piezoelectricity
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Song, X, He, L, Yang, W, Wang, Z, & Chen, L. "Co-Continuous Piezocomposites With Triply Periodic Phase Interfaces for Enhanced Mechanical Flexibility and Piezoelectricity." Proceedings of the ASME 2018 13th International Manufacturing Science and Engineering Conference. Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing. College Station, Texas, USA. June 18–22, 2018. V001T01A020. ASME. https://doi.org/10.1115/MSEC2018-6704
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