Title: Electrophoretic deposition as a novel near net shaping technique for functionally graded biomaterials
Authors: AnnĂ©, Guy ×
Vanmeensel, Kim
Vleugels, Jef
Van der Biest, Omer #
Issue Date: 2006
Publisher: Trans Tech Publications
Series Title: Key Engineering Materials vol:314 pages:213-218
Abstract: Due to their excellent properties of high strength, biocompatibility and stability in physiological environments, ceramics are investigated as bone substitute materials. In this way ceramic components have been used for total hip replacement components since the early 1970s. Alumina and zirconia monoliths are mainly used for these components. However, zirconia can undergo low temperature degradation in aqueous environment and alumina is brittle. To increase the strength, functionally graded Al2O3/ZrO2 ball-heads and acetabular cup inserts were made in this work by electrophoretic deposition (EPD). A composition gradient in alumina and zirconia was engineered to obtain a pure alumina surface region and a homogeneous alumina/zirconia core with intermediate continuously graded regions to generate thermal residual stresses at the surface after sintering.
ISSN: 1013-9826
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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