Microstructure and microcracking behaviour of barium zirconium phosphate (BaZr4P6O24) ceramics

D. A. Rega; Dinesh Kumar Agrawal; C. Y. Huang; H. A. McKinstry

doi:10.1007/BF01105050

Microstructure and microcracking behaviour of barium zirconium phosphate (BaZr₄P₆O₂₄) ceramics

D. A. Rega, Dinesh Kumar Agrawal, C. Y. Huang, H. A. McKinstry

Materials Research Institute (MRI)

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

15 Scopus citations

Abstract

Barium zirconium phosphate (BaZr₄P₆O₂₄), a member of a new family of low-thermal-expansion materials known as NZP, was synthesized by the solution sol-gel method, and sintered ceramics were prepared at 1100-1600 °C. The effect of sintering parameters such as time and temperature on the microstructure and phase composition was studied. BaZr₄P₆O₂₄ is known to possess anisotropy in its axial thermal expansions, which usually causes microcracking in the sintered bodies when cooled. The microcracking activity of the sintered samples was examined by acoustic emission measurements.

Original language	English (US)
Pages (from-to)	2406-2412
Number of pages	7
Journal	Journal of Materials Science
Volume	27
Issue number	9
DOIs	https://doi.org/10.1007/BF01105050
State	Published - May 1 1992

All Science Journal Classification (ASJC) codes

General Materials Science
Mechanics of Materials
Mechanical Engineering

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abstract = "Barium zirconium phosphate (BaZr4P6O24), a member of a new family of low-thermal-expansion materials known as NZP, was synthesized by the solution sol-gel method, and sintered ceramics were prepared at 1100-1600 °C. The effect of sintering parameters such as time and temperature on the microstructure and phase composition was studied. BaZr4P6O24 is known to possess anisotropy in its axial thermal expansions, which usually causes microcracking in the sintered bodies when cooled. The microcracking activity of the sintered samples was examined by acoustic emission measurements.",

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AU - Rega, D. A.

AU - Agrawal, Dinesh Kumar

AU - Huang, C. Y.

AU - McKinstry, H. A.

PY - 1992/5/1

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N2 - Barium zirconium phosphate (BaZr4P6O24), a member of a new family of low-thermal-expansion materials known as NZP, was synthesized by the solution sol-gel method, and sintered ceramics were prepared at 1100-1600 °C. The effect of sintering parameters such as time and temperature on the microstructure and phase composition was studied. BaZr4P6O24 is known to possess anisotropy in its axial thermal expansions, which usually causes microcracking in the sintered bodies when cooled. The microcracking activity of the sintered samples was examined by acoustic emission measurements.

AB - Barium zirconium phosphate (BaZr4P6O24), a member of a new family of low-thermal-expansion materials known as NZP, was synthesized by the solution sol-gel method, and sintered ceramics were prepared at 1100-1600 °C. The effect of sintering parameters such as time and temperature on the microstructure and phase composition was studied. BaZr4P6O24 is known to possess anisotropy in its axial thermal expansions, which usually causes microcracking in the sintered bodies when cooled. The microcracking activity of the sintered samples was examined by acoustic emission measurements.

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Microstructure and microcracking behaviour of barium zirconium phosphate (BaZr₄P₆O₂₄) ceramics

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