Effect of Co on creep and stress rupture properties of nickel-based superalloys–A review

R Su, D Hao, P He, D Wu, Q Wang, H Dong… - Journal of Alloys and …, 2023 - Elsevier
Nickel-based superalloys are widely used in aircraft engines and land-based gas turbines
due to their high yield strength and good creep resistance. Co in nickel-based superalloys …

Precipitate shearing, fault energies, and solute segregation to planar faults in Ni-, CoNi-, and Co-base superalloys

YM Eggeler, KV Vamsi… - Annual Review of Materials …, 2021 - annualreviews.org
The mechanical properties of superalloys are strongly governed by the resistance to
shearing of ordered precipitates by dislocations. In the operating environments of …

Stacking fault energy in concentrated alloys

M Shih, J Miao, M Mills, M Ghazisaeidi - Nature communications, 2021 - nature.com
We revisit the meaning of stacking fault energy (SFE) and the assumptions of equilibrium
dissociation of lattice dislocations in concentrated alloys. SFE is a unique value in pure …

Understanding the effect of refractory metal chemistry on the stacking fault energy and mechanical property of Cantor-based multi-principal element alloys

P Singh, W Trehern, B Vela, P Sharma, T Kirk… - International Journal of …, 2024 - Elsevier
Multi-principal-element alloys (MPEAs) based on 3d-transition metals show remarkable
mechanical properties. The stacking fault energy (SFE) in face-centered cubic (fcc) alloys is …

Effect of stacking fault segregation and local phase transformations on creep strength in Ni-base superalloys

TM Smith, BS Good, TP Gabb, BD Esser, AJ Egan… - Acta Materialia, 2019 - Elsevier
In this study, two similar, commercial polycrystalline Ni-based disk superalloys (LSHR and
ME3) were creep tested at 760° C and 552 MPa to approximately 0.3% plastic strain. LSHR …

Elemental partitions and deformation mechanisms of L12-type multicomponent intermetallics

J Zhang, S Ma, Y **ong, B Xu, S Zhao - Acta Materialia, 2021 - Elsevier
Multicomponent high-entropy alloys (HEAs) with compositionally disordered elemental
arrangement have attracted extensive attention because of their excellent mechanical …

Localized phase transformation at stacking faults and mechanism-based alloy design

L Feng, SB Kannan, A Egan, T Smith, MJ Mills… - Acta Materialia, 2022 - Elsevier
A new phenomenon has been observed in some Ni-based superalloys where phase
transformations occur at and are confined to stacking faults, which we refer to as localized …

[HTML][HTML] Yield stress anomaly and creep of single crystal Ni-base superalloys–Role of particle size

AB Parsa, M Sirrenberg, D Bürger, MJ Mills… - Materials Science and …, 2024 - Elsevier
In the present work we subject the single crystal Ni-base superalloy ERBO1 (CMSX 4 type)
to constant strain rate (CSR) and creep testing at temperatures between 1023 and 1223 K …