Title: Design and fabrication strategy in the world of functional gradation

Authors: Monika Willert-Porada

Addresses: Materials Processing, University of Bayreuth, Universitatsstr, 30, D-95447, Bayreuth, Germany

Abstract: The concept of ||Functionally Graded Materials||, FGM, was introduced in 1980s for the development of reliable thermal shock resistant components for high temperature applications. Later on biomimetic approaches were included, to arrive at multifunctional, multiscale FGM|s for numerous applications, including abrasion resistant materials and materials for implants. The paper briefly reviews the past achievements and highlights future trends in multi-scale graded materials science and technology, with the aim at utilisation of bio-inspired methods in design and fabrication strategy. Examples are given for systems with hierarchically graded porosity for application in hard tissue implants and in diesel engine filters, respectively.

Keywords: bio-inspired design; diesel engines; engine filters; hard tissue implants; TBC; thermal barrier coatings; fuel cells; functionally graded materials; FGM.

DOI: 10.1504/IJMPT.2010.034260

International Journal of Materials and Product Technology, 2010 Vol.39 No.1/2, pp.59 - 71

Published online: 31 Jul 2010 *

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