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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.

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

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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