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Article | REF: N3210 V1

Zirconia

Authors: Gérard MOULIN, Jérôme FAVERGEON, Gérard BÉRANGER

Publication date: October 10, 2008

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2. Allotropic transformations

2.1 Crystallography of pure zirconia

Pure zirconia obtained from ore has a monoclinic crystal structure at room temperature. The zirconium is coordinated by seven oxygens (figure 1 ). This relatively irregular arrangement partly explains the monoclinic phase's tendency to form macles to minimize lattice distortion.

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Allotropic transformations
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