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Title: Flash sintering effect on pmn-pt ceramics
Other Titles: Flash sinterlemenin pmn-pt seramikleri üzerine etkisi
Authors: Şavklıyıldız, İlyas
Demir, A.
Keywords: Electric field
Flash sintering
Piezoelectric ceramics
Publisher: TUBITAK
Abstract: Received/Geliş: 27.02.2021 Accepted/Kabul: 06.04.2021 Abstract: Densification of PMN-PT piezoelectric ceramic powder is carried out by electric field assisted/flash sintering method. The composition selected in PMN-PT materials system is 0.67[Pb(Mg1/3Nb2/3)O3]?0.33(PbTiO3). During flash sintering experiment, 200 V/mm electric field is applied on sample with 0.1 amp current cutoff value. Flash sintering is accomplished in less than 90 sec at ~700 °C. Relative density for sintered sample is measured approximately 94 % which is reasonable value comparing with literature. SEM microstructure illustration exhibits proper consolidation morphology which is agreement with the relative density measurement. According to XRD analysis, the said materials system shows consistency in rhombohedral perovskite crystal structure and preserve its chemical and physical composition during whole experimental cycle. By electric field assisted/flash sintering technique, the sintering temperature is decreased from 1200 °C to 700 °C along with a decrement in sintering time from 2 hours to 90 seconds. PMN-PT is properly produced by flash sintering method for the first time with respect to open literature. Hence, this densification method will gain importance to reduce toxic Pb emission aroused at high temperature processes. © 2021, TUBITAK. All rights reserved.
ISSN: 2148-3736
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
TR Dizin İndeksli Yayınlar Koleksiyonu / TR Dizin Indexed Publications Collections

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