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MULTISCALE ANALYSIS OF FATIGUE IN Mg ALLOYS

Objective

According to the Europe police (EV5V-CT94-0375) Magnesium alloys are potential metals to be progressively introduced in structural components in many areas, especially in transport to reduce weight and achieve required CO2 reductions. As the deformation and failure mechanisms of Mg alloys are very complicated owing to basal slip, prism slip, primed slip and twinning, there lack reliable continuum level constitutive models for engineering application. This project will solve one of the most challenging open questions of Mg alloys, i.e. the influence of twin formation and persistent slip bands on the fatigue crack nucleation and growth by using rigorously scale-bridged models and in-situ experiments. Molecular dynamics, dislocation dynamics, phase field, nonlocal crystal plasticity finite element as well as cohesive zone method will be used to study twin nucleation, twin growth, persistent slip band as well as fatigue crack, respectively. The outcome of this interdisciplinary research proposal will be published in high impact peer-reviewed journals and at international conferences. The approach and the code developed in this proposal will improve the predictive power of Integrated Computational Materials Engineering concerning Mg alloy industry. The applicant will transfer his expertise and his international connection in the field of multiscale modelling to the host institute. He will work with researchers of the host institution to prompt new areas of research that can attract new funding. At the same time, he will receive regular training on transferable skills. All these activities will enlarge the portfolio of skills of the applicant and will ensure further development of his career.

Coordinator

FUNDACION IMDEA MATERIALES
Net EU contribution
€ 170 121,60
Address
Calle Eric Kandel 2 Parque Cientifico Y Tecnologico Tecnogetafe
28906 Getafe
Spain

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Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
Non-EU contribution
€ 0,00