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Micro fibres containing laminates prepared by EPD: microstructure and fracture behaviour
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SYSNO ASEP 0434894 Druh ASEP A - Abstrakt Zařazení RIV Není vybrán druh dokumentu Název Micro fibres containing laminates prepared by EPD: microstructure and fracture behaviour Tvůrce(i) Chlup, Zdeněk (UFM-A) RID, ORCID
Hadraba, Hynek (UFM-A) RID, ORCID
Drdlík, D. (CZ)Celkový počet autorů 3 Zdroj.dok. Electrophoretic Deposition: Fundamentals and Applications. - New York : ECI, 2014 Poč.str. 1 s. Forma vydání Tištěná - P Akce International Conference on Electrophoretic Deposition: Fundamentals and Applications /5./ Datum konání 05.10.2014-10.10.2014 Místo konání Hernstein Země AT - Rakousko Typ akce WRD Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova EPD ; mechanical properties ; composite ; micro-fibres Vědní obor RIV JL - Únava materiálu a lomová mechanika CEP GAP108/11/1644 GA ČR - Grantová agentura ČR ED1.1.00/02.0068 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Institucionální podpora UFM-A - RVO:68081723 Anotace Electrophoretic deposition is an excellent tool for preparation of sophisticated structures like laminates. Recently it was possible to prepare tailored laminates with perfect and strong interface of layers with precise thickness management. Tailoring of ceramic laminates to obtain optimal mechanical properties with enhanced fracture resistance is possible when predictions based on numerical calculations is employed. Extraordinary mechanical properties was achieved via high internal stresses development during material processing. The aim of this investigation can be seen in two directions. The enhanced crack free green bodies through incorporating small volume of micro-fibres to the powders. Additionally, control of the crack propagation by directionally oriented incorporated micro-fibres both in the volume and in individual layers. In this contribution both alumina and zirconia micro-fibres are used to help eliminate drying defects in the green body stage before sintering. The co-deposition of ceramic micro-fibres and powder led to the preparation of microstructures having unique orthogonal fracture properties. Developed laminate with thin layers created by zirconia micro-fibres in the alumina matrix seems to be the most promising. This type of material exhibited potential of crack trapping and deflection even when very small amount of micro-fibres was used. Pracoviště Ústav fyziky materiálu Kontakt Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Rok sběru 2015
Počet záznamů: 1