Chemically driven tetragonal-to-monoclinic polymorphic transformation in retrieved ZTA femoral heads from dual mobility hip implants

Two short-term (two and nine months) retrieved zirconia-toughened alumina (ZTA) femoral heads and nine pristine femoral heads from the same manufacturer have been investigated with respect to their surface stability by means of confocal Raman spectroscopy. Quantitative estimations of monoclinic volu...

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Veröffentlicht in:	Journal of the mechanical behavior of biomedical materials 2016-03, Vol.56, p.195-204
Hauptverfasser:	Boffelli, M., Doimo, A., Marin, E., Puppulin, L., Zhu, W., Sugano, N., Clarke, I.C., Pezzotti, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Oxide - chemistry Bearing Biomedical materials Confocal Dual mobility hip implant Femur Head Hip Prosthesis Metal contamination Phase transformation Raman spectroscopy Spectrum Analysis, Raman Stress, Mechanical Surface Properties Surgical implants Transformations Volume fraction Wear Zirconia toughened alumina Zirconium - chemistry
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