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Journal of Materials Engineering and Performance
Published in: Journal of Materials Engineering and Performance 7/2011

01-10-2011

Charge Weld Effects on High Cycle Fatigue Behavior of a Hollow Extruded AA6082 Profile

Authors: N. Nanninga, C. White, R. Dickson

Published in: Journal of Materials Engineering and Performance | Issue 7/2011

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Abstract

Fatigue properties of specimens taken from different locations along the length of a hollow AA6082 extrusion, where charge weld (interface between successive billets in multi-billet extrusions) properties and the degree of coring (accumulation of highly sheared billet surface material at back end of billet) are expected to vary, have been evaluated. The fatigue strength of transverse specimens containing charge welds is lower near the front of the extrusion where the charge weld separation is relatively large. The relationship between fatigue failure and charge weld separation appears to be directly related to charge weld properties. The lower fatigue properties of the specimens are likely associated with early overload fatigue failure along the charge weld interface. Coring does not appear to have significantly affected fatigue behavior.
previous article On the Distortion and Warpage of 7249 Aluminum Alloy After Quenching and Machining
next article Effect of Strain Rate on Cathodic Reaction During Stress Corrosion Cracking of X70 Pipeline Steel in a Near-Neutral pH Solution

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Metadata
Title
Charge Weld Effects on High Cycle Fatigue Behavior of a Hollow Extruded AA6082 Profile
Authors
N. Nanninga
C. White
R. Dickson
Publication date
01-10-2011
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 7/2011
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-010-9755-5

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