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Influence of metallic dopants on fracture behaviour of TiB2 based cermets

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F13%3A00421219" target="_blank" >RIV/68081723:_____/13:00421219 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.12776/amsc.v3i0.112" target="_blank" >http://dx.doi.org/10.12776/amsc.v3i0.112</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.12776/amsc.v3i0.112" target="_blank" >10.12776/amsc.v3i0.112</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Influence of metallic dopants on fracture behaviour of TiB2 based cermets

  • Original language description

    Titanium diboride (TiB2) - metal composites were prepared by hot-pressing of the TiB2 - Ni and Ta doped TiB2-Ni powders. The obvious limitation of pure TiB2 is the bad sinterability, exaggerated grain growth at temperatures exceeded 2000°C needed for thedensification and brittleness. There is only limited number of approaches how to improve fracture resistance. The method used in this work is based on doping the basic microstructure by above mentioned metals. The positive influence of dopants on the microstructure and fracture behaviour was demonstrated by means of mechanical properties and fractographic analysis. The right selection of dopants led to the refinement of microstructure resulted in the increase of flexural strength up to the level of 700MPa and fracture toughness of 5.0 MPa.m1/2.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JL - Fatigue and fracture mechanics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2013

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Acta Metallurgica Slovaca Conference

  • ISSN

    1338-1660

  • e-ISSN

  • Volume of the periodical

    3

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    SK - SLOVAKIA

  • Number of pages

    8

  • Pages from-to

    98-105

  • UT code for WoS article

  • EID of the result in the Scopus database