TY - JOUR AU - Mao, Fengxin AU - Weidt, Moritz AU - Staron, Peter AU - Busch, Sebastian AU - Stark, Andreas AU - Barrales Mora, Luis TI - Investigation on the age-hardening behavior of Al-Si-Cu-Mg cast alloys by mechanical testing, microstructural characterization, and a CNGT based precipitation model JO - International journal of materials research VL - 114 IS - 1 SN - 0044-3093 CY - Berlin PB - de Gruyter M1 - PUBDB-2023-00606 SP - 53 - 64 PY - 2023 AB - In the present contribution, the age-hardening behavior of two commercial Al-Si-Cu-Mg alloys was studied during heat treatments at 200 °C and 240 °C. Size and volume fraction of precipitates were characterized by transmission electron microscopy, small-angle X-ray scattering, and small angle neutron scattering. Additionally, tensile tests were performed to evaluate the mechanical behavior. Finally, a multi-component multi-phase classical nucleation and growth theory precipitation model was developed to predict the evolution of Mg- and Cu-containing precipitates and their hardening effect. The simulations were in good agreement with experimental findings. LB - PUB:(DE-HGF)16 UR - <Go to ISI:>//WOS:000895353600001 DO - DOI:10.1515/ijmr-2021-8585 UR - https://bib-pubdb1.desy.de/record/517645 ER -