The mechanical and electrical properties of modified-BNKT lead-free ceramics

The mechanical and electrical properties of modified-BNKT lead-free ceramics

© 2018, Copyright © Taylor & Francis Group, LLC. This research was conducted to study influence of ferric oxide nanoparticles on the properties of modified BNKT ceramics. The optimum sintering temperature was 1125°C at which all compositions had low porosity (0.12–0.19%). Raman and XRD showed...

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Bibliographic Details
Main Authors: P. Jaita, S. Manotham, P. Butnoi, R. Sanjoom, P. Arkornsakul, D. R. Sweatman, C. Kruea-In, T. Tunkasiri
Format: Journal
Published: 2018
Subjects:
Engineering
Materials Science
Physics and Astronomy
Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85045003975&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/58689
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Institution: Chiang Mai University
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Summary:© 2018, Copyright © Taylor & Francis Group, LLC. This research was conducted to study influence of ferric oxide nanoparticles on the properties of modified BNKT ceramics. The optimum sintering temperature was 1125°C at which all compositions had low porosity (0.12–0.19%). Raman and XRD showed coexisting rhombohedral and tetragonal phases throughout the entire compositional range. The Pr, d33and g33were slightly degraded when the additive was added. The maximum room temperature dielectric (ϵ′ = 1689, tan δ = 0.0606) and mechanical properties (HV = 5.6 GPa, HK = 4.9 GPa, E = 93 GPa and KIC= 1.58 MPa.m1/2) was obtained for the 2 vol% sample.

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