Precipitation Kinetics of AA6082: An Experimental and Numerical Investigation

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Authors

The development of simulation tools for bridging different scales are essential for understanding complex joining processes. For precipitation hardening, the Kampmann-Wagner numerical model (KWN) is an important method to account for non-isothermal second phase precipitation. This model allows to describe nucleation, growth and coarsening of precipitation hardened aluminum alloys based on a size distribution for every phase which produces precipitations. In particular, this work investigates the performance of a KWN model by [1-3] for Al-Mg-Si-alloys. The model is compared against experimental data from isothermal heat treatments taken partially from [2]. Additionally, the model is used for investigation of the precipitation kinetics for a laser beam welding process, illustrating the time-dependent development of the different parameters related to the precipitation kinetics and the resulting yield strength.
Original languageEnglish
JournalMaterials Science Forum
Volume941
Pages (from-to)1411-1417
Number of pages7
ISSN0255-5476
DOIs
Publication statusPublished - 12.2018
EventInternational Conference on PROCESSING & MANUFACTURING OF ADVANCED MATERIALS - THERMEC 2018: Processing, Fabrication, Properties, Applications - Paris, France
Duration: 08.07.201813.07.2018
https://thermec2018.sciencesconf.org/

Bibliographical note

Print: 978-3-0357-1208-7. ebook: 978-3-0357-3208-5. Titel: THERMEC 2018

    Research areas

  • Engineering - Precipitation kinetics, Kampmann-Wagner numerical model, Heat treatment, Laser beam welding, AA6082, simulation

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