Coarsening kinetics of γ′ precipitates in the commercial nickel base Superalloy René 88 DT

J Tiley, GB Viswanathan, R Srinivasan, R Banerjee… - Acta Materialia, 2009 - Elsevier
René 88 DT samples were subjected to different cooling rates after a supersolvus treatment,
and aged for varying periods of time from 25 to 200h at 760° C. Primary and secondary γ …

Invited review: Modelling of thermodynamics and diffusion in multicomponent systems

UR Kattner, CE Campbell - Materials Science and Technology, 2009 - Taylor & Francis
The availability of reliable materials data is key to the successful design of materials and
manufacturing processes. Commercial alloys seldom consist of only two or three elements …

Effect of Nb addition on the internal oxidation of novel Ni-base superalloy

X Ye, B Yang, R Lai, J Liu, S Yu, Y Li - Corrosion Science, 2022 - Elsevier
Influence of Nb addition on the internal oxidation of a novel powder metallurgy superalloy
was studied. The results indicated that higher Nb concentration leads to deeper internal …

Atomic mobilities and diffusivities in the fcc, L12 and B2 phases of the Ni-Al system

L Zhang, Y Du, Q Chen, I Steinbach… - International journal of …, 2010 - degruyter.com
A phenomenological model was utilized to describe diffusivities in the γ (fcc)/γü (L12) and
A2/B2 phases of the NiüAl system. An effective strategy, which takes the homogeneity range …

Microstructural evolution of NiCoCrAlY coated directionally solidified superalloy

X Zhan, D Wang, Z Ge, Y Zhang, J Dong, L Lou… - Surface and Coatings …, 2022 - Elsevier
The microstructure evolution of the interdiffusion zone (IDZ), secondary reaction zone (SRZ),
and substrate diffusion zone (SDZ) formed beneath the coating/substrate interface in a …

New insights into effects of Ru on the oxidation behaviour of Ni-based single-crystal superalloys at 1150° C

Y Gui, M Zhao, P Jiang, W Ye, J Zhao, Y Zhao, Y Qiao… - Corrosion …, 2023 - Elsevier
This study provides new insights into Ru-effects on the oxidation resistance of some fourth-
generation single-crystal Ni-based superalloys at 1150° C. No apparent evaporation of Ru …

[HTML][HTML] Temperature-dependent evolution mechanism of interface microstructure between gradient MCrAlY coatings and nickel-based superalloy

J Kang, Y Liu, J Zhou, WW Zhuo, J Zhang, J Zeng… - Materials & Design, 2024 - Elsevier
Gradient MCrAlY coatings exhibited good oxidation resistance during cyclic oxidation at
1200° C. The interdiffusion behavior between the coating and substrate at 1200° C exhibited …

Diffusivities of an Al–Fe–Ni melt and their effects on the microstructure during solidification

L Zhang, Y Du, I Steinbach, Q Chen, B Huang - Acta Materialia, 2010 - Elsevier
A systematical investigation of the diffusivities in an Al–Fe–Ni melt was presented. Based on
the experimental and theoretical data about diffusivities, the temperature-and composition …

Effect of alloying elements in Ni-base substrate material on interdiffusion processes in MCrAlY-coated systems

T Galiullin, A Chyrkin, R Pillai, R Vassen… - Surface and coatings …, 2018 - Elsevier
The effect of alloying elements in the substrate on the interdiffusion processes between a
NiCoCrAlY-coating and model Ni-base superalloys was studied. Four single-crystal …

Microstructure and performance properties of 1200 C-servicing gradiently aluminized NiCrAlYSi coating for single-crystal nickel-based superalloy

J Kang, Y Liu, L Geng, H Zhang, Y Ru, W Zhao… - Journal of Alloys and …, 2022 - Elsevier
Enhancing service temperature of commercial MCrAlY series coatings to above 1100° C
becomes a new challenge. The aluminization seems be a possible solution. In this work …