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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

0

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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.

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

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

Leaflet | Map data © OpenStreetMap contributors, CC-BY-SA, Imagery © Mapbox

 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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