Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics

© 2018 Trans Tech Publications, Switzerland. This research investigated the effects of sintering temperatures on the structural, dielectric, ferroelectric, piezoelectric and mechanical properties of lead-free Bismuth Sodium Potassium Titanate (BNKT) piezoelectric ceramics. The BNKT ceramics were pre...

Full description

Saved in:
Bibliographic Details
Main Authors: Supalak Manotham, Pichitchai Butnoi, Narumon Lertcumfu, Pharatree Jaita
Format: Book Series
Published: 2018
Subjects:
Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85054802062&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/62712
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Chiang Mai University
id th-cmuir.6653943832-62712
record_format dspace
spelling th-cmuir.6653943832-627122018-11-29T07:47:03Z Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics Supalak Manotham Pichitchai Butnoi Narumon Lertcumfu Pharatree Jaita Engineering Materials Science © 2018 Trans Tech Publications, Switzerland. This research investigated the effects of sintering temperatures on the structural, dielectric, ferroelectric, piezoelectric and mechanical properties of lead-free Bismuth Sodium Potassium Titanate (BNKT) piezoelectric ceramics. The BNKT ceramics were prepared by solidstate mixed oxide method and sintering at temperature ranging from 1100 to 1150°C for 2 h. All ceramics sample showed highly density and reach a maximum at sintering temperature 1125°C of 5.81 g/cm3. X-ray diffraction patterns exhibited pure perovskite structure with coexisting of rhombohedral-tetragonal phases for all compositions. The microstructure was characterized by Scanning Electron Microscope (SEM), from SEM image the ceramics showed cubic-like grain shape. The average grain size increased with increasing sintering temperature. The dielectric permittivity showed the optimum sintering at 1125°C with reach a maximum dielectric constant of 4, 194. Furthermore, at sintering temperature 1125°C present highest strain (Smax = 0.14%) with a large normalized strain coefficient (d∗33 = Smax/Emax) of 233 pm/V. 2018-11-29T07:42:57Z 2018-11-29T07:42:57Z 2018-01-01 Book Series 10139826 2-s2.0-85054802062 10.4028/www.scientific.net/KEM.777.60 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85054802062&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/62712
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Engineering
Materials Science
spellingShingle Engineering
Materials Science
Supalak Manotham
Pichitchai Butnoi
Narumon Lertcumfu
Pharatree Jaita
Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics
description © 2018 Trans Tech Publications, Switzerland. This research investigated the effects of sintering temperatures on the structural, dielectric, ferroelectric, piezoelectric and mechanical properties of lead-free Bismuth Sodium Potassium Titanate (BNKT) piezoelectric ceramics. The BNKT ceramics were prepared by solidstate mixed oxide method and sintering at temperature ranging from 1100 to 1150°C for 2 h. All ceramics sample showed highly density and reach a maximum at sintering temperature 1125°C of 5.81 g/cm3. X-ray diffraction patterns exhibited pure perovskite structure with coexisting of rhombohedral-tetragonal phases for all compositions. The microstructure was characterized by Scanning Electron Microscope (SEM), from SEM image the ceramics showed cubic-like grain shape. The average grain size increased with increasing sintering temperature. The dielectric permittivity showed the optimum sintering at 1125°C with reach a maximum dielectric constant of 4, 194. Furthermore, at sintering temperature 1125°C present highest strain (Smax = 0.14%) with a large normalized strain coefficient (d∗33 = Smax/Emax) of 233 pm/V.
format Book Series
author Supalak Manotham
Pichitchai Butnoi
Narumon Lertcumfu
Pharatree Jaita
author_facet Supalak Manotham
Pichitchai Butnoi
Narumon Lertcumfu
Pharatree Jaita
author_sort Supalak Manotham
title Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics
title_short Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics
title_full Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics
title_fullStr Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics
title_full_unstemmed Effects of sintering temperatures on structural, electrical and mechanical properties of BNKT piezoelectric ceramics
title_sort effects of sintering temperatures on structural, electrical and mechanical properties of bnkt piezoelectric ceramics
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85054802062&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/62712
_version_ 1681425858192998400