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TheSBIE SIGNED

Thermodynamic Stabilization by Interface Engineering

Total Cost €

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EC-Contrib. €

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Partnership

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 TheSBIE project word cloud

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

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Project "TheSBIE" data sheet

The following table provides information about the project.

Coordinator
TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY 

Organization address
address: SENATE BUILDING TECHNION CITY
city: HAIFA
postcode: 32000
website: www.technion.ac.il

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 Israel [IL]
 Project website http://schuh.mit.edu/research.php
 Total cost 263˙385 €
 EC max contribution 263˙385 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-GF
 Starting year 2017
 Duration (year-month-day) from 2017-03-01   to  2020-02-29

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY IL (HAIFA) coordinator 263˙385.00
2    MASSACHUSETTS INSTITUTE OF TECHNOLOGY US (CAMBRIDGE) partner 0.00

Map

 Project objective

'This GF proposal concerns nano-crystalline (NC) metallic alloys, unique materials having extremely small crystals (grains) which exhibit significantly improved mechanical properties over their conventional coarse-grained counterparts. Yet their inherently-large fraction of internal interfaces (grain boundaries, GBs), associated with excess energy, leads to coarsening of their structure at elevated temperatures during either fabrication, processing or service life. This results in a rapid deterioration of their properties, rendering them unsuitable for many applications. Compared with conventional, kinetic stabilization of NC alloys, which is limited and temporary in nature, the approach proposed here is of ‘Thermodynamic Stabilization by Interface Engineering’ employing solute segregation: alloying with elements which preferentially migrate to GBs to substantially reduce their excess energy, leading to a stable, tunable nano-scale grain size even at high temperatures. Employing a thermodynamic approach for engineering the structure and chemistry of interfaces in these materials stands a good chance of overcoming their fundamental stability hurdle with nature’s blessing. The main materials to be studied are iron-based alloys. In particular, NC iron-magnesium alloys have the potential for exceptional absolute and specific strength, exceeding that of the hardest steels. Experiments will be combined with mesoscale and atomistic simulations of thermodynamic, kinetic and mechanical properties. This international interdisciplinary research involves MIT (USA), Technion (Israel) and WWU (Germany), bridges physical metallurgy, nanotechnology and interface science. It will result in a deeper fundamental understanding of energetics and kinetics in NC alloys; tools for designing stable NC alloys with tailored mechanical properties; and commercialization of successful alloys. It shall thus strengthen the EU 'metallurgical infrastructure' according to the EC’s Metallurgy Road Map.'

 Publications

year authors and title journal last update
List of publications.
2020 Dor Amram, Christopher A. Schuh
Mechanical alloying produces grain boundary segregation in Fe–Mg powders
published pages: 57-61, ISSN: 1359-6462, DOI: 10.1016/j.scriptamat.2020.01.021
Scripta Materialia 180 2020-03-11
2018 Dor Amram, Christopher A. Schuh
Higher Temperatures Yield Smaller Grains in a Thermally Stable Phase-Transforming Nanocrystalline Alloy
published pages: 145503, ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.145503
Physical Review Letters 121/14 2019-05-15

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