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CeraText SIGNED

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

Total Cost €

0

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.

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

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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