Effect of Gd addition on phase composition, structure, and properties of beta-solidifying TiAl-based alloy with Zr and Cr content variability

The aim of the present work was to study the influence of Gd microaddition on the sequence and temperatures of phase transformations as well as on the microstructural evolution and properties of a new six-component TiAl-based alloy Ti-44.5Al-2V-1Nb-xZr/yCr-(0 … 0.1)Gd (at.%) with variable Zr (x = 0....

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Veröffentlicht in:	Intermetallics 2020-06, Vol.121, p.106781, Article 106781
Hauptverfasser:	Panin, P.V., Kochetkov, A.S., Zavodov, A.V., Lukina, E.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	A. aluminides B. microalloying Beta phase C. casting Chromium D. microstructure Differential scanning calorimetry E. phase stability Elongation Eutectoid composition Eutectoid reactions G. aero-engine components Gadolinium Gadolinium oxides High temperature Interlayers Intermetallic compounds Nanoparticles Phase composition Phase transitions Room temperature Temperature Titanium aluminides Titanium base alloys Ultimate tensile strength Zirconium oxides
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