Temperature Stable and Fatigue Resistant lead-free ceramics for actuators

KHESRO, Amir, WANG, Dawei, HUSSAIN, Fayaz, SINCLAIR, Derek, FETEIRA, Antonio and REANEY, Ian (2016). Temperature Stable and Fatigue Resistant lead-free ceramics for actuators. Applied Physics Letters, 109 (14), p. 142907.

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Abstract

Lead-free ceramics with the composition 0.91K1/2Bi1/2TiO3–0.09(0.82BiFeO3-0.15NdFeO3-0.03Nd2/3TiO3) were prepared using a conventional solid state, mixed oxide route. The ceramics exhibited a high strain of 0.16% at 6 kV mm1, stable from room temperature to 175 C, with a variation of <10%. The materials were fabricated into multilayer structures by co-firing with Pt internal electrodes. The prototype multilayer actuator exhibited constant strains up to 300 C with a variation of 15%. The composition showed fatigue resistant behaviour in both monolithic and multilayer form after bipolar loading of 106 cycles.

Item Type:	Article
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Corrosion Technology
Identification Number:	https://doi.org/10.1063/1.4964411
Page Range:	p. 142907
Depositing User:	Antonio Feteira
Date Deposited:	17 Oct 2016 09:11
Last Modified:	18 Mar 2021 00:26
URI:	https://shura.shu.ac.uk/id/eprint/13727

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