Electrophoretic Deposition as a Novel Near Net Shaping Technique for Functionally Graded Biomaterials

Guy Anné; Kim Vanmeensel; Jef Vleugels; Omer Van der Biest

doi:10.4028/www.scientific.net/KEM.314.213

Paper Titles

Throwing Power during Electrophoretic Deposition
p.187

Progresses in the Electrophoretic Deposition Technique to Infiltrate Oxide Fibre Mats for Fabrication of Ceramic Matrix Composites
p.195

Electrophoretic Deposition of Mullite Based Oxygen Diffusion Systems on C/C-Si-SiC Composites
p.201

Development of Ceramic Dental Crowns and Bridges Using Electrophoretic Deposition
p.207

Electrophoretic Deposition as a Novel Near Net Shaping Technique for Functionally Graded Biomaterials
p.213

Bioglass® Coatings on Superelastic NiTi Wires by Electrophoretic Deposition (EPD)
p.219

EPD of a Sub Micron HA Powder for Biomedical Applications
p.225

Electrophoretic Deposition of Wollastonite on 316L Stainless Steel from Different Dispersing Media
p.231

Water Versus Acetone Electrophoretic Deposition of Hydroxyapatite on 316L Stainless Steel
p.237

HomeKey Engineering MaterialsKey Engineering Materials Vol. 314Electrophoretic Deposition as a Novel Near Net...

Electrophoretic Deposition as a Novel Near Net Shaping Technique for Functionally Graded Biomaterials

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. Experimental work revealed that a sequence of counter-electrodes was necessary to EPD complex shaped functionally graded material (FGM) components. To obtain deposits with a shape different from the deposition electrode, the deposit was grown up to the counter-electrode and the design of the counter-electrodes was supported by electrical field calculations to generate a constant electric field at the surface of the deposition electrode

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Periodical:

Key Engineering Materials (Volume 314)

Pages:

213-218

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.314.213

Citation:

Cite this paper

Online since:

July 2006

Authors:

Guy Anné, Kim Vanmeensel, Jef Vleugels, Omer Van der Biest

Keywords:

Biomaterial, Electrophoretic Deposition (EPD), Functionally Graded Material (FGM), Prostheses

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