Strain hardening and damage in 6xxx series aluminium alloy friction stir welds
(2010) Materials Science Forum — Vol. 638-642, p. 333-338 (2010)
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- Abstract
- A friction stir weld in 6005A-T6 aluminum alloy has been prepared and analyzed by micro-hardness measurements, tensile testing and scanning electron microscopy (SEM). The locations of the various weld zones were determined by micro-hardness indentation measurements. The flow behavior of the various zones of the weld was extracted using micro-tensile specimens cut out parallel to the welding direction. The measured material properties and weld topology were then introduced in a fully coupled micro-mechanical finite element model, accounting for nucleation and growth of voids as well as void shape evolution. The model shows satisfactory preliminary results in predicting the tensile behaviour of the weld and the true strain at fracture.
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Simar, A., Nielsen, K. L., Tvergaard, V., de Meester de Betzenbroeck, B., & Pardoen, T. (2010). Strain hardening and damage in 6xxx series aluminium alloy friction stir welds. Materials Science Forum, 638-642, 333-338. https://doi.org/10.4028/www.scientific.net/MSF.638-642.333 (Original work published 2010)