Reconciling in vivo and in vitro kinetics of the polymorphic transformation in zirconia-toughened alumina for hip joints: II. Theory

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• 作者：Giuseppe Pezzotti^a ; ^{pezzotti@kit.ac.jp} ; Wenliang Zhu^b ; Matteo Zanocco^a ; Elia Marin^a ; Nobuhiko Sugano^b ; Bryan J. McEntire^c ; B. Sonny Bal^c ; ^d
• 关键词：Zirconia-toughened alumina ; Polymorphic transformation ; Initial monoclinic volume fraction ; Metal stain ; Activation energy ; Hydrothermal treatment
• 刊名：Materials Science and Engineering: C
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：71
• 期：Complete
• 页码：446-451
• 全文大小：824 K
• 卷排序：71

文摘

An expanded theoretical framework for surface metastability of ZTA implants is provided. Apparent activation energies depend on initial fraction of the monoclinic zirconia. Exacerbation of surface degradation in ZTA arises from the presence of transition metals.