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

Matthias Merzkirch; Kay André Weidenmann; Eberhard Kerscher; Detlef Löhe

doi:10.4028/www.scientific.net/AMR.43.17

Paper Titles

Preface

Manufacture of 3D Curved Profiles for Structure Components
p.1

Embedding of Alumina Reinforcing Elements in the Composite Extrusion Process
p.9

Documentation of the Corrosion of Composite-Extruded Aluminium Matrix Extrusions Using the Push-Out Test
p.17

Accuracy of a Flying Cutting Device
p.23

Machining of Lightweight Frame Components
p.37

Influence of Process Parameters on Structure and Mechanical Properties of Joints Produced by Electromagnetic Forming and Friction Stir Welding
p.47

Joining by Compression and Expansion of (None-) Reinforced Profiles
p.57

Bifocal Hybrid Laser Beam Welding and Friction Stir Welding of Aluminium Extrusion Components
p.69

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 43Documentation of the Corrosion of...

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

Abstract:

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.

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