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|Title:||The mechanical and electrical properties of modified-BNKT lead-free ceramics|
D. R. Sweatman
Physics and Astronomy
|Abstract:||© 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.|
|Appears in Collections:||CMUL: Journal Articles|
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