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Impact of microstructure on elastic properties in the alloy Ti-42Al-8.5 Nb
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SYSNO ASEP 0571995 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Impact of microstructure on elastic properties in the alloy Ti-42Al-8.5 Nb Author(s) Gabrisch, H. (DE)
Janovská, Michaela (UT-L) RID, ORCID
Rackel, M.W. (DE)
Pyczak, F. (DE)
Stark, A. (DE)Number of authors 5 Article number 167578 Source Title Journal of Alloys and Compounds. - : Elsevier - ISSN 0925-8388
Roč. 932, January (2023)Number of pages 12 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords γ-TiAl ; Nb ; elastic properties ; transmission electron microscopy ; resonant ultrasound spectroscopy Subject RIV JG - Metallurgy OECD category Materials engineering R&D Projects GA20-12624S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support UT-L - RVO:61388998 UT WOS 000883335100001 EID SCOPUS 85140304872 DOI 10.1016/j.jallcom.2022.167578 Annotation The microstructure of a γ-TiAl alloy containing niobium undergoes continuous transformations during annealing at 550 °C. These take place within the α2-phase of lamellar (α2 +γ) colonies. We have characterized these changes by transmission electron microscopy and made a correlation to the elastic constants determined by resonant ultrasonic spectroscopy during in-situ annealing at the same temperature. The results show a continuous increase of the E-modulus. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2024 Electronic address https://www.sciencedirect.com/science/article/pii/S092583882203969X
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