Documentation of the Corrosion of Composite-Extruded Aluminium Matrix Extrusions Using the Push-Out Test

Abstract:

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A possibility to increase both stiffness and strength of aluminium-based structures for the application in lightweight profiles for vehicle space frames is the use of composite extrusions in which high-strength metallic reinforcements are incorporated. Within the scope of the present investigations, composite-extruded profiles with wire-reinforcements made of austenitic spring steel 1.4310 (X10CrNi18-8), in an aluminium matrix AA6060 (AlMgSi0.5), which were exposed to different corrosive media for different times, were characterised in terms of the debonding shear strength using the push-out-technique. The formation of a galvanic couple could be conceived mathematically in regard of terms describing the formation of a shear-impeding layer and the corrosive attack. Thereby the parameters for the different media could be determined.

Info:

Periodical:

Edited by:

Klaus Weinert, Jürgen Fleischer, A. Erman Tekkaya, Michael Zäh, and Marco Schikorra

Pages:

17-22

DOI:

10.4028/www.scientific.net/AMR.43.17

Citation:

M. Merzkirch et al., "Documentation of the Corrosion of Composite-Extruded Aluminium Matrix Extrusions Using the Push-Out Test", Advanced Materials Research, Vol. 43, pp. 17-22, 2008

Online since:

April 2008

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