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The origin and the effect of the fcc phase in sintered HfNbTaTiZr

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F21%3A00538131" target="_blank" >RIV/61389021:_____/21:00538131 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/21:00538131 RIV/00216208:11320/21:10439052

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/abs/pii/S0167577X20319327?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/abs/pii/S0167577X20319327?via%3Dihub</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.matlet.2020.129224" target="_blank" >10.1016/j.matlet.2020.129224</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The origin and the effect of the fcc phase in sintered HfNbTaTiZr

  • Original language description

    The growing interest in preparing refractory high entropy alloys via powder metallurgy reveals significant sensitivity to impurities, influencing the phase composition and microstructure and, consequently, the mechanical properties. Mechanical alloying of commercial purity powders is a cost-effective way of material preparation leading to a very fine microstructure when spark plasma sintering is used. However, the atmosphere of the milling process plays a significant role. This study shows that the phase composition of the HfNbTaTiZr alloy may be tailored by milling in ambient atmosphere, in argon or in nitrogen. Formation of a new fcc-ZrHfTi phase as a complex nitrogen and oxygen compound was elucidated and its significant hardening effect was shown. Finally, exceptional hardness was achieved by the synergic effect of nano-grained structure and high volume fraction of fcc-ZrHfTi phase.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

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

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Materials Letters

  • ISSN

    0167-577X

  • e-ISSN

  • Volume of the periodical

    286

  • Issue of the periodical within the volume

    March

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    5

  • Pages from-to

    129224

  • UT code for WoS article

    000615986100026

  • EID of the result in the Scopus database

    2-s2.0-85098124278