Fatigue crack growth mechanisms in powder metallurgy Ni-based superalloys—A review

R Jiang, YD Song, PA Reed - International Journal of Fatigue, 2020 - Elsevier
Powder metallurgy (PM) Ni-based superalloys are widely used for aeroengine turbine disc
applications due to their excellent mechanical properties and good corrosion resistance at …

Fatigue crack initiation, slip localization and twin boundaries in a nickel-based superalloy

CA Stein, A Cerrone, T Ozturk, S Lee, P Kenesei… - Current Opinion in Solid …, 2014 - Elsevier
The study of fatigue in metals, and fatigue initiation specifically, lends itself to analysis via an
emerging set of characterization and modeling tools that describe polycrystals on the meso …

Effect of anisotropy and texture on the low cycle fatigue behavior of Inconel 718 processed via electron beam melting

MM Kirka, DA Greeley, C Hawkins… - International Journal of …, 2017 - Elsevier
In this study, the impact of texture (columnar/equiax grain structure) and influence of material
orientation on the low cycle fatigue (LCF) behavior of hot isostatic pressed (HIP) and heat …

[HTML][HTML] Formation and aggregation behavior of inclusions in Ni-based alloys with different Mg contents

R Gao, L Li, C Chen, J Li, L Wang, X Li… - Journal of Materials …, 2023 - Elsevier
Large non-metallic inclusions affect the mechanical properties and service life of nickel-
based superalloys. This study investigates the effects of magnesium elements on non …

Microstructurally-sensitive fatigue crack nucleation in Ni-based single and oligo crystals

B Chen, J Jiang, FPE Dunne - Journal of the Mechanics and Physics of …, 2017 - Elsevier
An integrated experimental, characterisation and computational crystal plasticity study of
cyclic plastic beam loading has been carried out for nickel single crystal (CMSX4) and …

Mesoscale modeling of microstructurally small fatigue cracks in metallic polycrystals

GM Castelluccio, DL McDowell - Materials Science and Engineering: A, 2014 - Elsevier
The formation and early growth of fatigue cracks in the high cycle fatigue regime is
influenced by microstructure features such as grain size and morphological and …

Formation mechanism of abnormally large grains in a polycrystalline nickel-based superalloy during heat treatment processing

X Wang, Z Huang, B Cai, N Zhou, O Magdysyuk, Y Gao… - Acta Materialia, 2019 - Elsevier
Controlling the final grain size in a uniform manner in powder metallurgy nickel-based
superalloys is important since a number of mechanical properties are closely related to it …

Characterisation of strain localisation processes during fatigue crack initiation and early crack propagation by SEM-DIC in an advanced disc alloy

R Jiang, F Pierron, S Octaviani, PAS Reed - Materials Science and …, 2017 - Elsevier
Fatigue failure processes in metallic materials are closely related to the evolution of strain
localisation under cyclic loading. Characterisation of this strain localisation is important in …

Grain size effects in a Ni-based turbine disc alloy in the time and cycle dependent crack growth regimes

R Jiang, S Everitt, M Lewandowski, N Gao… - International Journal of …, 2014 - Elsevier
The fatigue crack growth (FCG) behaviour in a Ni-based turbine disc alloy with two grain
sized variants, in a low solvus high refractory (LSHR) superalloy has been investigated …

Effect of γ'phase and microtwins on the microstructural evolution and mechanical properties of a novel Ni–Co base superalloy

J Duan, T An, Y Gu, H Yu, B Gan, X Lv, J Qu… - Materials Science and …, 2023 - Elsevier
A new Ni–Co base precipitation-hardened superalloy designed using the low stacking fault
energy (SFE) was used primarily in the hot components of aeroengines designed with low …