USMS

Ultra Strong Materials

Coordinatore	OESTERREICHISCHE AKADEMIE DER WISSENSCHAFTEN    more Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.
Nazionalità Coordinatore	Austria [AT]
Totale costo	2˙445˙000 €
EC contributo	2˙445˙000 €
Programma	FP7-IDEAS-ERC Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	ERC-2013-ADG
Funding Scheme	ERC-AG
Anno di inizio	2014
Periodo (anno-mese-giorno)	2014-03-01   -   2019-02-28

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	OESTERREICHISCHE AKADEMIE DER WISSENSCHAFTEN  Organization address address: DR. IGNAZ SEIPEL-PLATZ 2 city: WIEN postcode: 1010 contact info Titolo: Mrs. Nome: Reinhard Cognome: Pippan Email: send email Telefono: +43 3842 804 115 Fax: +43 3842 804 116	AT (WIEN)	hostInstitution	2˙445˙000.00

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 Obiettivo del progetto (Objective)

'The theoretical strength of metals and ceramics is about 10% of their Young’s modulus. Although whiskers reach strength values close to this limit they cannot be used in the design of load bearing structures. Currently the typical strength of the structural materials in use is only in the range of few % of this theoretical limit. Premature plastic deformation and failure due to flaws are the main reasons for this distinctive lower limit. For engineering applications, adequate fracture toughness is required which permits a ductile behaviour and certain strength even in the presence of flaws or cracks. The strength of the strongest metallic materials is only 10 % of the theoretical limit. Increasing the strength of metallic high strength materials by a few percent is usually associated with an unacceptable decrease in fracture toughness and results in a very flaw sensitive strength similar to that known for ceramics. In pearlitic steel wires it was possible to overcome this 10% limitation significantly. In the last years for the first time a strength of 6.3 GPa was obtained for this material which is about 30% of the theoretical limit or 3 times stronger than other high strength steels. The group of the PI has shown that these wires have an exceptional toughness equivalent to a high damage tolerance. The proposed ERC-grant should permit the analysis of the phenomena for this superior combination of strength and ductility. The knowledge of the essential required architectural features of this nano-composite and the necessary properties of the individual phases as well as their interfaces will be used to design nano-architectures also in other materials to obtain such exceptional properties. The developed skill in the generation of nano-composites from coarse constituents will be used for the production of similar nano-composites, the proof of developed concepts, and the generation of new ultra strong materials.'