Alloying effects and effective alloy design of high-Cr CoNi-based superalloys via a high-throughput experiments and machine learning framework

X Zhuang, S Antonov, W Li, S Lu, L Li, Q Feng - Acta Materialia, 2023 - Elsevier
The discovery of a stable γ/γ'microstructure in Co-Al-W-based alloys brought forth
possibilities for Co-based superalloys as potential alternatives to Ni-based superalloys in …

Low-density, high-temperature Co base superalloys

SK Makineni, MP Singh… - Annual Review of …, 2021 - annualreviews.org
Co base superalloys strengthened by coherent L12 ordered γ′ precipitate in a disordered
face-centered cubic γ matrix represent a new opportunity for high-temperature alloy …

Erosion behavior and mechanism of the HVOF-sprayed (AlCoCrFeNi) x/(WC-10Co) 1-x composite coatings at different slurry sand concentrations

J Lv, Y Wu, S Hong, J Cheng, S Zhu, Y Chen - International Journal of …, 2023 - Elsevier
In the present work, the high-velocity oxygen fuel spraying technology was used to fabricate
the (AlCoCrFeNi) x/(WC-10Co) 1-x [x= 100 (C1), 75 (C2), and 50 (C3) wt%] composite …

A new type-γ′/γ′′ coprecipitation behavior and its evolution mechanism in wrought Ni-based ATI 718Plus superalloy

Q Guo, Z Ma, Z Qiao, C Li, T Zhang, J Li, C Liu… - Journal of Materials …, 2022 - Elsevier
In the precipitation-hardened Ni-based superalloy, typified by ATI 718Plus, the nano-scale
γ′ and γ′′ phase in duplet or triple coprecipitate morphology can provide superior high …

Focus review on γ′ coarsening in theorical development and application in Ni-base superalloys and high/medium-entropy alloys

Y Chen, D Li, Z Yan, S Bai, R Xie, J Sheng - Materials Today Nano, 2024 - Elsevier
Long-term thermal exposure-induced γ′ coarsening strongly influences the mechanical
properties of Ni-base superalloys and high/medium entropy alloys (H/MEAs), which has long …

A novel Co-Ni-Ti-V-based superalloy exhibiting low density and high strength

C Wang, J Le, K Chen, C Yang, J Yu, Y Guo… - Materials Science and …, 2023 - Elsevier
This paper presents an innovative investigation on γ/γ'-strengthened multi-component Co-Ni-
Ti-V-based superalloys, which has led to the successful development of high-strength Co-Ni …

Direct additive manufacturing of Al2O3–TiCp functionally graded ceramics by laser‐directed energy deposition

X Yu, D Wu, W Bi, X Feng, Z Zhao… - Journal of the …, 2024 - Wiley Online Library
Functionally graded ceramics (FGCs), which combine the properties of various composite
ceramics, have been widely used in the aerospace, armament, and other industries. One of …

A novel coherent particles-reinforced FCC-based high-entropy superalloy with superior high-temperature compressive properties

X Zhou, J Chen, R Ding, H Wu, S Lu, J He… - Materials Science and …, 2023 - Elsevier
A novel κʹ-strengthened FCC-based Al 0.5 CoFeNiC 0.1 high entropy superalloy (HESA)
with minor B2 phase was prepared by arc melting. The FCC/κʹ dual-phase microstructure …

High-throughput exploration of alloying effects on the microstructural stability and properties of multi-component CoNi-base superalloys

W Li, L Li, S Antonov, C Wei, JC Zhao… - Journal of Alloys and …, 2021 - Elsevier
The effects of substituting W with γ′ formers (Al, Ti, Ta, Mo and Nb) on the microstructural
stability of a base model superalloy Co-20Ni-7Al-8W-1Ta-4Ti were studied using a high …

Effect of Ru addition on γ/γ′ microstructural stability in a low-density CoNi based superalloy

P Pandey, A Sawant, N Baler, SK Makineni… - Scripta Materialia, 2022 - Elsevier
The present work explores the effect of ruthenium (Ru) addition to the γ/γ′ strengthened Co-
30Ni-10Al-5Mo-2Nb superalloy. A 2 at.% Ru increases the γ/γ′ microstructural stability at …