Artikel: Characterization of electrolytic ZrO2 coating on Co-Cr-Mo implant alloys of hip prosthesis.
2001 Band 22, Heft 2, Seite(n) 125–133
Abstract: An electrolytic Zr(OH)4 gel has been coated on ASTM F-75 Co-Cr-Mo alloy specimens in 0.0625 M ZrO(NO3)2 solution with pH = 2.2 at a current density of 2 mA/cm2. After annealing at 623-973 K for 120 min in air, the ZrO2-coated specimen was evaluated by ... ...
| Abstract | An electrolytic Zr(OH)4 gel has been coated on ASTM F-75 Co-Cr-Mo alloy specimens in 0.0625 M ZrO(NO3)2 solution with pH = 2.2 at a current density of 2 mA/cm2. After annealing at 623-973 K for 120 min in air, the ZrO2-coated specimen was evaluated by electrochemical polarization in Hank's solution, wear tests with UHMWPE (Ultra-high molecular-weight polyethylene) under a load stress of 50 MPa, scratch tests, surface morphology observations, and XRD analysis. The ZrO2-coated specimen annealed at 773 K for 120 min revealed a good adhesion of 610 MPa on Co-Cr-Mo substrate, a lower wear loss of UHMWPE and a higher protection potential than the uncoated specimen in Hank's solution. A monoclinic structure with (1 1 1) preferred orientation parallel to the sheet plane was detected at 623 K < or = T < or = 673 K and a tetragonal structure of ZrO2 was detected at T > or = 773 K. Then a monoclinic structure with random orientation and a tetragonal structure were mixed at T > or = 973 K. |
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| Mesh-Begriff(e) | Alloys ; Chromium ; Coated Materials, Biocompatible ; Cobalt ; Electrolysis/methods ; Gels ; Hip Prosthesis ; Hydrogen-Ion Concentration ; Microscopy, Electron, Scanning ; Molybdenum ; Zirconium | |||||
| Chemische Substanzen | Alloys ; Coated Materials, Biocompatible ; Gels ; Chromium (0R0008Q3JB) ; Cobalt (3G0H8C9362) ; Molybdenum (81AH48963U) ; Zirconium (C6V6S92N3C) ; zirconium oxide (S38N85C5G0) | |||||
| Sprache | Englisch | |||||
| Erscheinungsdatum | 2001-01 | |||||
| Erscheinungsland | Netherlands | |||||
| Dokumenttyp | Journal Article ; Research Support, Non-U.S. Gov't | |||||
| ZDB-ID | 603079-8 | |||||
| ISSN | 0142-9612 | |||||
| ISSN | 0142-9612 | |||||
| DOI | 10.1016/s0142-9612(00)00133-2 | |||||
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| Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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