A review on fundamental of high entropy alloys with promising high–temperature properties

J Chen, X Zhou, W Wang, B Liu, Y Lv, W Yang… - Journal of Alloys and …, 2018 - Elsevier
High entropy alloys (HEAs) have five or more principal elements with four core effects: high
entropy, sluggish diffusion, severe lattice distortion, and cocktail effects. These effects lead to …

The precipitation and effect of topologically close-packed phases in Ni-based single crystal superalloys

J Li, J Sun, J Liu, X Sun - Journal of Materials Science & Technology, 2024 - Elsevier
The precipitation of topologically close-packed (TCP) phases is the result of microstructure
instabilities of Ni-based superalloys. This review seeks to comprehensively collate all the …

[HTML][HTML] Modelling of additive manufacturability of nickel-based superalloys for laser powder bed fusion

J Xu, P Kontis, RL Peng, J Moverare - Acta Materialia, 2022 - Elsevier
The additive manufacturability of nickel-based superalloys for laser powder bed fusion
(LPBF) technologies is studied by considering the in-process cracking mechanisms. The …

Effect of ruthenium on the precipitation of topologically close packed phases in Ni-based superalloys of 3rd and 4th generation

K Matuszewski, R Rettig, H Matysiak, Z Peng… - Acta materialia, 2015 - Elsevier
The precipitation of topologically close packed (TCP) phases is detrimental for the high
temperature strength of high refractory Ni-based superalloys. The beneficial influence of Ru …

New insights into the microstructural stability based on the element segregation behavior at γ/γ′ interface in Ni-based single crystal superalloys with Ru addition

C Liu, W Yang, K Cao, P Qu, J Qin, J Zhang… - Journal of Materials …, 2023 - Elsevier
A new insight into the microstructural stability was proposed in Ni-based single crystal
superalloys with Ru addition, and the element segregation behavior at γ/γ′ interface was …

Formation and effect of topologically close-packed phases in nickel-base superalloys

AS Wilson - Materials Science and Technology, 2017 - Taylor & Francis
The formation of topologically close-packed (TCP) phases in nickel-base superalloys is an
issue of increasing importance as alloys are designed with higher refractory element …

A technique for characterizing microsegregation in multicomponent alloys and its application to single-crystal superalloy castings

M Ganesan, D Dye, PD Lee - Metallurgical and Materials Transactions A, 2005 - Springer
Instrumental errors in microsegregation measurements in multicomponent alloys complicate
the treatment of randomly sampled data. In this article, two new alloy-independent data …

The effect of TCP morphology on the development of aluminide coated superalloys

CMF Rae, MS Hook, RC Reed - Materials Science and Engineering: A, 2005 - Elsevier
Aluminisation gives a cost-effective coating for turbine components subjected to hostile
environments. However, inter-diffusion between coating and substrate causes changes in …

[HTML][HTML] Solidification microstructure and tensile deformation mechanisms of selective electron beam melted Ni3Al-based alloy at room and elevated temperatures

Y Yao, C Xing, H Peng, H Guo, B Chen - Materials Science and …, 2021 - Elsevier
Selective electron beam melting (SEBM) was used to process crack-free Ni 3 Al-based IC21
alloy (low density superalloy) containing~ 85% γ′-volume fraction. There are distinct …

Compositional design considerations for microsegregation in single crystal superalloy systems

RM Kearsey, JC Beddoes, P Jones, P Au - Intermetallics, 2004 - Elsevier
This paper investigates the role of varying refractory addition levels on the microsegregation
behaviour of single crystal (SX) superalloys systems during solidification. Specifically, a …