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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.

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

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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