Substantial improvement of high temperature strength of new-generation nano-oxide-strengthened alloys by addition of metallic yttrium

J Svoboda, P Bořil, J Holzer, N Luptáková, M Jarý… - Materials, 2022 - mdpi.com
Oxide-dispersion-strengthened (ODS) Fe-Al-Y2O3-based alloys (denoted as FeAlOY)
containing 5 vol.% of nano-oxides have a potential to become top oxidation and creep …

Effects of Ta and Ti content on microstructure and properties of multicomponent Co–Ni-based superalloys

Y Zhang, S Yuan, H Fu, F Zhou, J Xie - Materials Science and Engineering …, 2022 - Elsevier
The content and the existing form of refractory elements significantly affect the performance
in service of superalloys, which has gained extensive attention in this field. In this study …

On the role of processing parameters in sintered new Co-based (W, Al) alloys

M Cartón-Cordero, B Srinivasarao, M Campos… - Journal of Alloys and …, 2016 - Elsevier
The demand for enhanced material performance and efficiency in high-temperature
applications has motivated the development of novel Co-based superalloys. Co-Al-W-based …

Effects of Ni and Cr additions on γ+ γ'microstructure and mechanical properties of W-free Co–Al–V–Nb–Ta-based superalloys

B Ohl, DC Dunand - Materials Science and Engineering: A, 2022 - Elsevier
The effect of Ni and Cr additions on microstructure, lattice misfit, oxidation, and creep
properties are investigated for six W-and Mo-free cobalt-based superalloys with …

Influence of Co content on the microstructures and mechanical properties of a Ni–Co base superalloy made by specific additive manufacturing process

L Tang, J Liang, C Cui, J Li, Y Zhou, X Sun… - Materials Science and …, 2020 - Elsevier
Microstructures and tensile properties of a Ni–Co base superalloy containing different Co
contents made by additive manufacturing (AM) after standard heat treatment have been …

Effects of Cr and Al/W ratio on the microstructural stability, oxidation property and γ′ phase nano-hardness of multi-component Co–Ni-base superalloys

W Li, L Li, S Antonov, F Lu, Q Feng - Journal of Alloys and Compounds, 2020 - Elsevier
Abstract Three Co–30Ni-xAl-(15-x) W–1Ta–4Ti-yCr septenary alloys were systematically
studied with the aim of developing multiple-component Co–Ni-base alloys with balanced …

Microstructure evolution in ODS alloys with a high-volume fraction of nano oxides

J Svoboda, V Horník, L Stratil, H Hadraba, B Mašek… - Metals, 2018 - mdpi.com
Existing oxide dispersion strengthened (ODS) alloys are, besides Ni-based superalloy
single crystals, the most creep-resistant materials. The creep resistance of the ODS alloys …

Microstructural studies on nanocrystalline oxide dispersion strengthened austenitic (Fe–18Cr–8Ni–2W–0.25Y2O3) alloy synthesized by high energy ball milling and …

P Susila, D Sturm, M Heilmaier, BS Murty… - Journal of Materials …, 2010 - Springer
In the present work, nanostructured (Fe–18Cr–8Ni–2W) austenitic base and oxide
dispersion strengthened (ODS) alloy powders were produced through mechanical alloying …

[HTML][HTML] Effects of temperature and rare earth content on oxidation resistance of Ni-based superalloy

S Xiu, W Lei, LIU Yang - Progress in Natural Science: Materials …, 2011 - Elsevier
The oxidation behaviors of the Ni-22Cr-14W-2Mo superalloys with various La contents were
investigated at 1 000° C and 1 100° C up to 500 h. The experimental results show that the …

Abnormal improvement of high-temperature stress rupture life in a new low cost Ni-based single crystal superalloy by adding minor nitrogen

X Tao, X Wang, J Meng, Y Zhou, J Li, X Sun - Materials Science and …, 2023 - Elsevier
Generally, elevated nitrogen (N) content promotes the precipitation of nitrides, which
increase the size and quantity of porosity and thus degrade the mechanical performance of …