Opendata, web and dolomites


Correlating the State and Properties of Grain Boundaries

Total Cost €


EC-Contrib. €






 GB-CORRELATE project word cloud

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

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Project "GB-CORRELATE" data sheet

The following table provides information about the project.


Organization address
postcode: 40237

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 Germany [DE]
 Total cost 2˙500˙000 €
 EC max contribution 2˙500˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-ADG
 Funding Scheme ERC-ADG
 Starting year 2018
 Duration (year-month-day) from 2018-08-01   to  2023-07-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Phase diagrams revolutionized materials development by predicting the conditions for phase stability and transformations, providing a thermodynamic concept for materials design including synthesis, processing and application. Similarly, surface science has established thermodynamic concepts for surface states and transitions, but the analogon for grain boundaries (GB) is just emerging due to their complexity. GB are among the most prominent microstructure defects separating grains in polycrystalline materials spanning a multidimensional space. Unlocking control of GB phases and their transitions will enable a new level of materials design allowing to tailor functional & structural properties. This proposal targets on (i) predicting and resolving GB phase transitions, (ii) establishing guidelines for GB phase transitions and GB phase diagrams, (iii) correlating GB phase transitions with property changes, (iv) providing compositional-structural design criteria for GB engineering, (v) which will be tested by demonstrators with tailored GB strength and GB mobility. GB-CORRELATE focusses on Cu and Al alloys in form of thin films as this allows to implement a hierarchical strategy expanding from individual special GB to GB networks and a transfer of the GB concepts to thin film applications. The infinite number of GB requires also statistical approaches; combinatorial thin film deposition will be used to establish Cu and Al alloy films with substitutional (Ag, Al, Cu, Si, Ni) and interstitial (B) solute elements. High throughput grain growth experiments will be employed to detect GB phase transitions by changes in GB mobility. Advanced atomic resolved correlated microscopy and spectroscopy supported by powerful computational approaches will identify GB phases and correlate them with transport properties. Sophisticated in-situ micromechanical studies lay the ground for interlinking GB phases and GB mechanics, finally harvested to create mechanically exceptional materials.


year authors and title journal last update
List of publications.
2019 Nataliya V. Malyar, Hauke Springer, Jürgen Wichert, Gerhard Dehm, Christoph Kirchlechner
Synthesis and mechanical testing of grain boundaries at the micro and sub-micro scale
published pages: 5-18, ISSN: 0025-5300, DOI: 10.3139/120.111286
Materials Testing 61/1 2020-03-11
2018 Nicolas J. Peter, Timofey Frolov, Maria J. Duarte, Raheleh Hadian, Colin Ophus, Christoph Kirchlechner, Christian H. Liebscher, Gerhard Dehm
Segregation-Induced Nanofaceting Transition at an Asymmetric Tilt Grain Boundary in Copper
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.255502
Physical Review Letters 121/25 2020-03-11
2020 T. Oellers, V. G. Arigela, C. Kirchlechner, G. Dehm, A. Ludwig
Thin-Film Microtensile-Test Structures for High-Throughput Characterization of Mechanical Properties
published pages: , ISSN: 2156-8952, DOI: 10.1021/acscombsci.9b00182
ACS Combinatorial Science 2020-03-05

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