Production and Characterization of Alumina and Steatite Based Ceramic Insulators

Mehmet Seref Sonmez; Sevki Samet Kaplan; Caglar Altun; Mahmut Ercan Acma

doi:10.1080/0371750X.2019.1657954

Production and Characterization of Alumina and Steatite Based Ceramic Insulators

Mehmet Seref Sonmez^*, Sevki Samet Kaplan, Caglar Altun, Mahmut Ercan Acma

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

In this study, production of alumina and steatite containing ceramic insulators as thermostat material was realized by investigating the composition, pressing pressure and sintering temperature. 90 bar of pressing pressure was employed to give a ring shape to thermostat insulators by mixing with 3% kerosene. Alumina based samples were sintered at 1400°C, while 1300°C sintering temperature was determined to be efficient for steatite based samples. Optimum pressing pressure and sintering temperature for batches were 90 bar and 1350°C, respectively. Sintered bodies subjected to Megger test at 1200 V and 50 Hz exhibited good electrical insulation. It was concluded that higher alumina containing batch composition was the ultimate candidate as thermostat insulator, especially in terms of density and compressive strength.

Original language	English
Pages (from-to)	161-164
Number of pages	4
Journal	Transactions of the Indian Ceramic Society
Volume	78
Issue number	3
DOIs	https://doi.org/10.1080/0371750X.2019.1657954
Publication status	Published - 3 Jul 2019

Bibliographical note

Publisher Copyright:
© 2019, © 2019 Indian Ceramic Society.

Keywords

Alumina
Megger test
Steatite
Thermostat ceramics

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10.1080/0371750X.2019.1657954

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abstract = "In this study, production of alumina and steatite containing ceramic insulators as thermostat material was realized by investigating the composition, pressing pressure and sintering temperature. 90 bar of pressing pressure was employed to give a ring shape to thermostat insulators by mixing with 3% kerosene. Alumina based samples were sintered at 1400°C, while 1300°C sintering temperature was determined to be efficient for steatite based samples. Optimum pressing pressure and sintering temperature for batches were 90 bar and 1350°C, respectively. Sintered bodies subjected to Megger test at 1200 V and 50 Hz exhibited good electrical insulation. It was concluded that higher alumina containing batch composition was the ultimate candidate as thermostat insulator, especially in terms of density and compressive strength.",

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Production and Characterization of Alumina and Steatite Based Ceramic Insulators

Abstract

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Keywords

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