Abstract
Single phase sodium zirconium orthophosphates [NaZr2(PO4)3 and Na2Zr(PO4)2] and zirconium diphosphate (ZrP2O7) have been synthesized. The measured linear expansion coefficient of NaZr2(PO4)3 was rather small only reaching a value of 0.16% at 800 °C. The expansion coefficients of Na2Zr(PO4)2 and ZrP2O7 were also rather small and were 1.4 and 1.0% respectively at 800 °C. These phosphates showed different behaviour depending on the type of thermal pretreatment before the measurement of the expansion coefficient.
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Watanabe, M., Sakurai, M., Yamada, T. et al. Synthesis and thermal properties of zirconium ortho- and diphosphates. J Mater Sci 31, 2569–2572 (1996). https://doi.org/10.1007/BF00687283
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DOI: https://doi.org/10.1007/BF00687283