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ExtendGlass

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Extending the range of the glassy state Exploring structure and property limits...

Extending the range of the glassy state Exploring structure and property limits in metallic glasses Metallic glasses (MGs), among the most actively studied metallic materials, have attractive mechanical properties (high elastic limit) but show work-softening and lack ductility. Recent work suggests the as-cast state of MGs can b... ver más

31/10/2023

THE CHANCELLOR MAS...

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UN... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 2 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2023-10-31

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

ERC-ADG-2015: ERC Advanced Grant

I+D

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2 Participantes

THE CHANCELLOR MASTERS AND S...

2.43M€ | Lider

ENTER SYSTEMS II

371.25K€ | Participante

Últimas noticias

29-11-2024: IDAE En las últimas 48 horas el Organismo IDAE ha otorgado 4 concesiones

29-11-2024: ECE En las últimas 48 horas el Organismo ECE ha otorgado 2 concesiones

29-11-2024: CMVAMADRID En las últimas 48 horas el Organismo CMVAMADRID ha otorgado 37 concesiones

Duración del proyecto: 89 meses Fecha Inicio: 2016-05-26
Fecha Fin: 2023-10-31

Presupuesto del proyecto 2M€

Descripción del proyecto Metallic glasses (MGs), among the most actively studied metallic materials, have attractive mechanical properties (high elastic limit) but show work-softening and lack ductility. Recent work suggests the as-cast state of MGs can be much altered by thermomechanical treatments: rejuvenation (to higher energy) offers improved plasticity (perhaps even desirable work-hardening); relaxation (to lower energy) offers access to ultrastable states. Work of the PI has just shown that even simple thermal cycling can induce rejuvenation comparable with that from heavy plastic deformation, while elastic stress cycling can accelerate annealing. The research aims to extend the range of glassy states and to explore the consequences of unusual states, particularly for mechanical properties and for phase stability/crystallization. One possible limit to rejuvenation is the onset of fast crystallization. This regime will be studied for its relevance to crystallization of melts of low glass-forming ability, of interest to fill a gap in existing crystal-growth theory and for application in phase-change memory. Nine work-packages address these and further issues: exploitation of inhomogeneity in MGs to improve properties and enable processing, e.g. to permit stress relief without accompanying undesirable embrittlement; probing the maximum extent of anisotropy in MGs and the links between anisotropic structure and flow. Complementing the many mechanical and structural studies, molecular-dynamics simulations will be used to identify local events relating to rejuvenation/relaxation, to characterize (at atomic level) the anisotropy induced by anelastic strain and viscoplastic flow, to characterize the processes at the solid/liquid interface in pure-metal systems to understand crystal-growth mechanisms, especially why growth of ccp metals is so fast (and glass-forming ability very low). From preliminary results, it is expected that properties can be widened much beyond those of as-cast MGs.

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