[HTML][HTML] Effects of Ni and Cr on the high-temperature oxidation behavior and mechanisms of Co-and CoNi-base superalloys

L Li, L Wang, Z Liang, J He, J Qiu, F Pyczak, M Song - Materials & Design, 2022 - Elsevier
The high-temperature oxidation behaviors of Co-and CoNi-base alloys with different Ni and
Cr additions were investigated by isothermal oxidation in air at 900 and 1000° C. The …

High temperature oxidation behavior of a novel Ni-Cr-W-Al-Ti superalloy

J Teng, X Gong, B Yang, S Yu, R Lai, J Liu, Y Li - Corrosion Science, 2022 - Elsevier
Oxidation of a novel Ni-19Cr-17W-2Al-0.5 Ti superalloy was investigated in air at 800–1100°
C. In spite of the local spallation of external oxide scale after prolonged oxidation at high …

Microstructural evolution and high-temperature oxidation of TiC/IN625 coatings fabricated by multi-layer extreme high-speed laser cladding

X Zhang, Y Sun, G Yu, C Chen, X Ren… - Optics & Laser Technology, 2023 - Elsevier
The multi-layer TiC/IN625 coatings were deposited on AISI 1045 steel substrate by
conventional laser cladding (CLA) and extreme high-speed laser cladding (EHLA). The …

Understanding the oxidation behaviors of a Ni-Co-based superalloy at elevated temperatures through multiscale characterization

J Ju, H Yu, Y Zhao, T Yang, B Xiao, P Peng, R Wang… - Corrosion …, 2024 - Elsevier
The study explored the oxidation behaviors of a Ni-Co-based superalloy at temperatures
between 900–1100° C in air, employing a weighing method and multiscale characterization …

[HTML][HTML] Impeding the γ′ depletion during the interdiffusion between bond coatings and superalloys via introduction of tantalum in bond coatings

X Sun, P Zhang, J Moverare, XH Li, L Cui, RL Peng - Materials & Design, 2023 - Elsevier
The use of aluminiferous coatings profoundly improves the service life of superalloys but
leads to microstructural degradation of superalloys and thus loss of mechanical properties …

Design of novel Ni-based superalloys with better oxidation resistance with the aid of machine learning

X Duan, H Xu, E Wang, C Guo, Z Fang, T Yang… - Journal of Materials …, 2023 - Springer
Oxidation resistance is a critical criterion to evaluate the service life of Ni-based superalloys.
In this work, the quantitative relationship between various factors including temperature, time …

Competitive oxidation behavior of Ni-based superalloy GH4738 at extreme temperature

H Xu, S Yang, E Wang, Y Liu, C Guo, X Hou… - International Journal of …, 2024 - Springer
A high thrust-to-weight ratio poses challenges to the high-temperature performance of Ni-
based superalloys. The oxidation behavior of GH4738 at extreme temperatures has been …

900° C oxidation resistance of Ni-base superalloys alloyed with different refractory elements

S Yu, X Zhan, F Liu, Y Guo, Q Wang, Y Li… - Journal of Alloys and …, 2022 - Elsevier
Refractory elements are added to strengthen the Ni-based superalloys for turbine disks,
while the effects of these elements on the oxidation resistance remain to be investigated …

Study on the oxidation resistance mechanism of self-healable NiAl coating deposited by atmospheric plasma spraying

L Zhang, D Wang, XJ Liao, R Chen, XT Luo… - npj Materials …, 2023 - nature.com
A dense NiAl coating with low oxide content was deposited on the GH4202 superalloy
substrate by atmospheric plasma spraying (APS) using carbon-containing Ni/Al composite …

Internal nitridation during creep of IN617 superalloy

Y Wang, Q Liu, K Li, Z Cai, L Shi, H Wang - Corrosion Science, 2022 - Elsevier
Internal nitridation of IN617 was investigated during creep rupture at 1000° C. The results
indicated that internal nitridation seriously deteriorated creep properties. Various nitrides …