Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/13822
Title: Cold sintering assisted two-step sintering of potassium sodium niobate (KNN) ceramics
Authors: Karacasulu, Levent
Ahmetoğlu, Çekdar Vakıf
Keywords: Cold sintering
Electrical properties
Piezoelectric
Potassium sodium niobate
Niobium compounds
Issue Date: 2023
Publisher: Elsevier
Abstract: Potassium sodium niobate (KNN) ceramics were densified using a multiple-stage sintering process in which initially applied cold sintering process (CSP) was followed by the solid-state sintering between 1100 and 1120 °C. Comparative assessments demonstrated that multi-step sintered samples yielded better properties than conventionally sintering ones. The highest relative density (94.7%) and the best electrical properties were obtained from the sample subjected to cold sintering at 120 °C/1 h using 5 wt% deionized water subsequently heat-treated at 1120 °C/2 h, resulting in a monolithic KNN ceramic having a piezoelectric coefficient of 120 pC/N. © 2023 Elsevier B.V.
URI: https://doi.org/10.1016/j.mseb.2023.116709
https://hdl.handle.net/11147/13822
ISSN: 0921-5107
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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