TY - JOUR
T1 - Bio-lubrication phenomena affect residual stresses and phases of zirconia implants
AU - Clarke, I. C.
AU - Pezzotti, G.
AU - Sakakura, S.
AU - Ben-Nissan, B.
N1 - Publication Type: Conference Proceeding Citation: Key Engineering Materials, 2003, 240-242 pp. 781 - 784 In hip simulation studies, zirconia fails in water and saline but survive in calf serum environments at specific protein concentrations. Until now there has not been a theoretical basis for explaining this behaviour.
PY - 2003
Y1 - 2003
N2 - In hip simulation studies, zirconia fails in water and saline but survive in calf serum environments at specific protein concentrations. Until now there has not been a theoretical basis for explaining this behaviour. Here we present for the first time a body of microstructural evidences based on Raman microprobe spectroscopy, which clarify the origin of this different behaviour. Microscopic maps of residual stresses and localised phase transformation from tetragonal to monoclinic are presented. These findings provide the theoretical basis for better understanding wear phenomena in zirconia and to establish the structural and micromechanical reasons for their superior behavior in physiologic environments.
AB - In hip simulation studies, zirconia fails in water and saline but survive in calf serum environments at specific protein concentrations. Until now there has not been a theoretical basis for explaining this behaviour. Here we present for the first time a body of microstructural evidences based on Raman microprobe spectroscopy, which clarify the origin of this different behaviour. Microscopic maps of residual stresses and localised phase transformation from tetragonal to monoclinic are presented. These findings provide the theoretical basis for better understanding wear phenomena in zirconia and to establish the structural and micromechanical reasons for their superior behavior in physiologic environments.
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M3 - Conference article
SN - 1013-9826
VL - 240-242
SP - 781
EP - 784
JO - Key Engineering Materials
JF - Key Engineering Materials
T2 - Proceedings of the 15th International Symposium on Ceramics in Medicine; The Annual Meeting of the International Society for Ceramics in Medicine
Y2 - 4 December 2002 through 8 December 2002
ER -