Grain Size Dependence of Thermal Shock Resistance in KZr2(PO4)3 Ceramic

Thermal shock fracture behavior of KZr2(PO4)3 ceramic, which has a near-zero thermal expansion coefficient, was evaluated by the water-quenching test. The specimens having almost the same density, strength, Young's modulus, and thermal expansion coefficient, but different grain sizes, were prep...

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Veröffentlicht in:Journal of the Ceramic Society of Japan 1994/08/01, Vol.102(1188), pp.718-721
Hauptverfasser: KATAGIRI, Naruhito, HATTORI, Yasuhisa, OTA, Toshitaka, YAMAI, Iwao
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Sprache:eng
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Zusammenfassung:Thermal shock fracture behavior of KZr2(PO4)3 ceramic, which has a near-zero thermal expansion coefficient, was evaluated by the water-quenching test. The specimens having almost the same density, strength, Young's modulus, and thermal expansion coefficient, but different grain sizes, were prepared by adjusting the sintering conditions. The maximum temperature difference (ΔTmax), to which the specimens were subjected without failure in the thermal quench test, increased with decreasing grain size. KZr2(PO4)3 ceramic composed of fine grains
ISSN:0914-5400
1882-1022
DOI:10.2109/jcersj.102.718