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Thermal stability and precipitation strengthening of fully lamellar Ti-45Al-5Nb-0.2B-0.75C alloy

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F17%3A10238121" target="_blank" >RIV/61989100:27360/17:10238121 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.kovmat.sav.sk/issue.php?rr=55&cc=6" target="_blank" >http://www.kovmat.sav.sk/issue.php?rr=55&cc=6</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4149/km_2017_6_421" target="_blank" >10.4149/km_2017_6_421</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Thermal stability and precipitation strengthening of fully lamellar Ti-45Al-5Nb-0.2B-0.75C alloy

  • Original language description

    The alloy with a composition Ti-45Al-5Nb-0.2B-0.75C (at. %) was prepared by induction melting and centrifugal casting. The fully lamellar microstructure of the alloy without carbides was produced by heat treatment consisting of hot isostatic pressing (HIP) and solution annealing followed by cooling to room temperature. The stability of the fully lamellar γ(TiAl) + α2(Ti3Al) microstructure was studied at temperatures of 750, 850 and 950◦C up to an ageing time of 3400 h. The microstructure analysis shows that the most dominant change in the microstructure was the α2 lamellae thinning, which was more pronounced at a higher ageing temperature and longer time. The formation of recrystallized γ grains and Ti2AlC carbides was observed during ageing at the temperatures of 850 and 950 ◦C. The microstructural changes affected the microhardness at room temperature (RT) and compression yield strength at temperatures ranging from RT to 950◦C.

  • 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

    <a href="/en/project/LO1203" target="_blank" >LO1203: Regional Materials Science and Technology Centre - Feasibility Program</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Kovové materiály

  • ISSN

    0023-432X

  • e-ISSN

  • Volume of the periodical

    55

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    SK - SLOVAKIA

  • Number of pages

    10

  • Pages from-to

    421-430

  • UT code for WoS article

    000418728300007

  • EID of the result in the Scopus database

    2-s2.0-85038855243