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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.

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

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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