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

Total Cost €


EC-Contrib. €






 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.

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

Project "CeraText" data sheet

The following table provides information about the project.


Organization address
city: LEOBEN
postcode: 8700

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


Take a look of project's partnership.

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


 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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