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CeraText SIGNED

Tailoring Microstructure and Architecture to Build Ceramic Components with Unprecedented Damage Tolerance

Total Cost €

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EC-Contrib. €

0

Partnership

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 CeraText project word cloud

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

degree    yielding    components    catastrophic    outlines    mpa    mollusc    unprecedented    principles    examples    wood    car    designs    replacements    retaining    crack    exhibit    lifetime    interfaces    shown    texture    orienting    architecture    parts    layers    brittle    fabrication    advanced    generation    phases    situation    fracture    tuning    joint    incipient    m1       capacitors    layer    relative    multilayer    bio    injection    rates    70    3d    structure    times    internal    strength    boundaries    microstructural    exceptional    engineered    combining    stresses    propagation    critical    nacre    bone    rejection    metals    tolerance    grain    materials    microelectronics    ceramic    scientific    combined    innovative    reliability    actuators    damage    pi    initiation    found    cracks    textured    uncontrolled    remarkable    17    resistors    synonymous    hip    500    architectural    believe    resistance    implants    protective    outstanding    constituent    tolerant    ceramics    structural    hold    issue    polymers    natural    piezo    bulk    microstructures    location    successful    microstructure    functional   

Project "CeraText" 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˙985˙000 €
 EC max contribution 1˙985˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-COG
 Funding Scheme ERC-COG
 Starting year 2019
 Duration (year-month-day) from 2019-05-01   to  2024-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    MONTANUNIVERSITAET LEOBEN AT (LEOBEN) coordinator 1˙985˙000.00

Map

 Project objective

Advanced ceramics are often combined with metals, polymers or other ceramics to produce structural and functional systems with exceptional properties. Examples are resistors and capacitors in microelectronics, piezo-ceramic actuators in car injection devices, and bio-implants for hip joint replacements. However, a critical issue affecting the functionality, lifetime and reliability of such systems is the initiation and uncontrolled propagation of cracks in the brittle ceramic parts, yielding in some cases rejection rates up to 70% of components production. The remarkable “damage tolerance” found in natural materials such as wood, bone or mollusc, has yet to be achieved in technical ceramics, where incipient damage is synonymous with catastrophic failure. Novel “multilayer designs” combining microstructure and architecture could change this situation. Recent work of the PI has shown that tuning the location of “protective” layers within a 3D multilayer ceramic can increase its fracture resistance by five times (from ~3.5 to ~17 MPa∙m1/2) relative to constituent bulk ceramic layers, while retaining high strength (~500 MPa). By orienting the grain structure, similar to the textured and organized microstructure found in natural systems such as nacre, the PI has shown that crack propagation can be controlled within the textured ceramic layer. Thus, I believe tailored microstructures with controlled grain boundaries engineered in a layer-by-layer 3D architectural design hold the key to a new generation of “damage tolerant” ceramics. This proposal outlines a research program to establish new scientific principles for the fabrication of innovative ceramic components that exhibit unprecedented damage tolerance. The successful implementation of microstructural features (e.g. texture degree, tailored internal stresses, second phases, interfaces) in a layer-by-layer architecture will provide outstanding lifetime and reliability in both structural and functional ceramic devices.

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

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