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TOUGHIT SIGNED

Tough Interface Tailored Nanostructured Metals

Total Cost €

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EC-Contrib. €

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Partnership

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 TOUGHIT project word cloud

Explore the words cloud of the TOUGHIT project. It provides you a very rough idea of what is the project "TOUGHIT" about.

ab    utilizing    unfortunately    informed    innovative    made    elastic    load    crack    combining    simultaneously    electron    combine    capability    exclusive    ideal    mechanism    resolution    economic    strength    plastic    carry    mechanics    atomistically    insights    safe    incompatibility    time    resistance    science    metals    improvement    nanomechanical    uniquely    strategies    paradigm    dramatically    computations    bearing    microstructure    bridging    unknown    excel    employed    fracture    bulk    paths    inverse    nanostructured    create    ductility    soft    permitting    microscopes    interface    describes    focussing    toughness    rooted    efficient    calculations    structural    deformation    indicating    first    grail    quantities    correlation    versatile    guide    stressed    nanoscale    limit    defines    initio    synthesis    material    performed    operation    damage    nanometer    experiments    drop    rendering    combination    situ    free    energy    unprecedented    safety    components    mutually    materials    quantitative    alloy    severe    conceivable    technique    defect    tailor    largely    refinement    composites    tolerance    holy    enhanced    nanocomposites    atomistic    tremendous   

Project "TOUGHIT" data sheet

The following table provides information about the project.

Coordinator
MONTANUNIVERSITAET LEOBEN 

Organization address
address: FRANZ JOSEF STRASSE 18
city: LEOBEN
postcode: 8700
website: www.unileoben.ac.at

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Austria [AT]
 Total cost 1˙960˙985 €
 EC max contribution 1˙960˙985 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-COG
 Funding Scheme ERC-COG
 Starting year 2018
 Duration (year-month-day) from 2018-05-01   to  2023-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    MONTANUNIVERSITAET LEOBEN AT (LEOBEN) coordinator 1˙960˙985.00

Map

 Project objective

The ideal structural material should excel in strength and toughness. Strength describes the capability of a defect free component to carry load during operation, while toughness defines the load-bearing capability and ductility in the presence of a crack. For an energy-efficient and safe design, both quantities should be simultaneously high. Unfortunately, they are mutually exclusive, rendering their combination a Holy Grail in materials science. The reason for this incompatibility is rooted in the inverse strength-ductility paradigm. Focussing on metals, the strength is enhanced via microstructure refinement to the nanometer scale, but ductility and damage tolerance simultaneously drop dramatically. Safety-related or highly stressed components are thus made from rather soft metals, indicating tremendous economic impact conceivable. The objective of this project is to design new bulk materials that uniquely combine high strength and toughness. Severe plastic deformation will be employed to create novel nanostructured bulk metals and nanocomposites, utilizing atomistically informed alloy and interface design to promote plastic deformation. The largely unknown nanoscale processes that limit fracture toughness of nanostructured materials will for the first time be directly identified by quantitative nanomechanical fracture experiments performed in-situ in high resolution electron microscopes. Correlation of these unique insights with ab-initio calculations and energy-based elastic-plastic fracture mechanics computations will guide paths for further improvement of the fracture resistance. By combining a versatile synthesis technique with highly advanced in-situ nanomechanical testing permitting unique atomistic-level insights into nanoscale fracture processes and a scale-bridging modelling approach, new mechanism-based strategies to tailor innovative nanostructured metals and composites with unprecedented strength and toughness will be established.

 Publications

year authors and title journal last update
List of publications.
2019 O. Renk, V. Maier-Kiener, I. Issa, J.H. Li, D. Kiener, R. Pippan
Anneal hardening and elevated temperature strain rate sensitivity of nanostructured metals: Their relation to intergranular dislocation accommodation
published pages: 409-419, ISSN: 1359-6454, DOI: 10.1016/j.actamat.2018.12.002
Acta Materialia 165 2019-12-17
2019 D. Kiener, R. Fritz, M. Alfreider, A. Leitner, R. Pippan, V. Maier-Kiener
Rate limiting deformation mechanisms of bcc metals in confined volumes
published pages: 687-701, ISSN: 1359-6454, DOI: 10.1016/j.actamat.2019.01.020
Acta Materialia 166 2019-12-17
2018 R. Pippan, S. Wurster, D. Kiener
Fracture mechanics of micro samples: Fundamental considerations
published pages: 252-267, ISSN: 0264-1275, DOI: 10.1016/j.matdes.2018.09.004
Materials & Design 159 2019-12-17
2018 Michael Wurmshuber, David Frazer, Andrea Bachmaier, Yongqiang Wang, Peter Hosemann, Daniel Kiener
Impact of interfaces on the radiation response and underlying defect recovery mechanisms in nanostructured Cu-Fe-Ag
published pages: 1148-1157, ISSN: 0264-1275, DOI: 10.1016/j.matdes.2018.11.007
Materials & Design 160 2019-12-17
2019 Y.Q. Wang, R. Fritz, D. Kiener, J.Y. Zhang, G. Liu, O. Kolednik, R. Pippan, J. Sun
Fracture behavior and deformation mechanisms in nanolaminated crystalline/amorphous micro-cantilevers
published pages: 73-83, ISSN: 1359-6454, DOI: 10.1016/j.actamat.2019.09.002
Acta Materialia 180 2019-12-17

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