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chemech SIGNED

From Chemical Bond Forces and Breakage to Macroscopic Fracture of Soft Materials

Total Cost €

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EC-Contrib. €

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Partnership

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 chemech project word cloud

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

region    predicting    structure    composition    size    image    positions    empirical    reversible    damage    scattering    breaks    self    limitation    angle    life    parts    flexible    correlation    ray    soft    living    proper    small    material    science    unprecedented    ground    sometimes    tough    crack    incorporated    brittle    engineering    mimic    gain    irreplaceable    energy    fails    macroscopically    breaking    internal    guide    materials    micro    molecules    mechanoluminescent    propagates    invaluable    occurring    relies    laser    mechanochemistry    chemists    ahead    probes    efficient    bond    transport    lack    breakage    direct    tissues    series    digital    techniques    finely    architecture    stress    sacrificial    tools    bonds    containing    mechanical    macroscopic    relation    brittleness    detect    healing    excessive    100    mechanisms    fracture    microscopy    polymer    deformations    molecular    strain    model    replace    population    sciences    advantage    tuned    break    combination    mechanophore    networks    closely    propagating    lightweight    map    confocal    bio    characterization    variety    strength    vision   

Project "chemech" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

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 France [FR]
 Total cost 2˙251˙026 €
 EC max contribution 2˙251˙026 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2021-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 2˙251˙026.00

Map

 Project objective

Soft materials are irreplaceable in engineering applications where large reversible deformations are needed, and in life sciences to mimic ever more closely or replace a variety of living tissues. While mechanical strength may not be essential for all applications, excessive brittleness is a strong limitation. Yet predicting if a soft material will be tough or brittle from its molecular composition or structure relies on empirical concepts due to the lack of proper tools to detect the damage occurring to the material before it breaks. Taking advantage of the recent advances in materials science and mechanochemistry, we propose a ground-breaking method to investigate the mechanisms of fracture of tough soft materials. To achieve this objective we will use a series of model materials containing a variable population of internal sacrificial bonds that break before the material fails macroscopically, and use a combination of advanced characterization techniques and molecular probes to map stress, strain, bond breakage and structure in a region ~100 µm in size ahead of the propagating crack. By using mechanoluminescent and mechanophore molecules incorporated in the model material in selected positions, confocal laser microscopy, digital image correlation and small-angle X-ray scattering we will gain an unprecedented molecular understanding of where and when bonds break as the material fails and the crack propagates, and will then be able to establish a direct relation between the architecture of soft polymer networks and their fracture energy, leading to a new molecular and multi-scale vision of macroscopic fracture of soft materials. Such advances will be invaluable to guide materials chemists to design and develop better and more finely tuned soft but tough and sometimes self-healing materials to replace living tissues (in bio engineering) and make lightweight tough and flexible parts for energy efficient transport.

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The information about "CHEMECH" are provided by the European Opendata Portal: CORDIS opendata.

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