Overcoming the strength and ductility trade-off in Ni-based alloy through tailoring of bimodal grain structures, hierarchical twins and coherent nanoprecipitates
Y Ban, L Huang, Z Li, Y Li, Y Zhang, J Pan - International Journal of …, 2024 - Elsevier
The longstanding strength-ductility trade-off has posed a significant challenge in materials
science, limiting the potential applications of numerous structural materials. It is crucial to …
science, limiting the potential applications of numerous structural materials. It is crucial to …
Grain size effect on strain localization, slip-grain boundary interaction and damage in the Alloy 718 Ni-based superalloy at 650° C
Grain size effects on the early plastic strain localization and slip transfer at grain boundaries
were investigated for the Alloy 718 Ni-based superalloy at 650° C. Three microstructures …
were investigated for the Alloy 718 Ni-based superalloy at 650° C. Three microstructures …
Dislocation distribution, crystallographic texture evolution, and plastic inhomogeneity of Inconel 718 fabricated by laser powder bed fusion
Plastic inhomogeneity, particularly localized strain, is one of the main mechanisms
responsible for failures in engineering alloys. This work studies the spatial arrangement and …
responsible for failures in engineering alloys. This work studies the spatial arrangement and …
Grain size dependence of microscopic strain distribution in a high entropy alloy at the onset of plastic deformation
The development and distribution of microscopic shear strain have been investigated using
high-resolution digital image correlation at the onset of plastic deformation in face-centred …
high-resolution digital image correlation at the onset of plastic deformation in face-centred …
Monotonic tension and creep response of electron-beam powder bed fusion processed IN718 superalloy: Role of orthorhombic Ni3Nb δ-phase at grain boundaries
This investigation focuses on examining the deformation behavior of the Inconel 718 (IN718)
superalloy, manufactured via electron-beam powder bed fusion (E-PBF), under both …
superalloy, manufactured via electron-beam powder bed fusion (E-PBF), under both …
Strain Rate Effect on Strain Localization in Alloy 718 Ni-Based Superalloy at Intermediate Temperature
Abstract Tensile tests on Alloy 718 Ni-based superalloy at 650∘ C at different strain rates
revealed a strain-rate dependency on the fracture mode. A change from intergranular to …
revealed a strain-rate dependency on the fracture mode. A change from intergranular to …
Orientation-related fatigue crack initiation behavior at twin boundary of Inconel 718 in vacuum environment of 650℃
L Liu, Y Gao, X Chen, Z Liu, X Ren, M Zhu - International Journal of Fatigue, 2025 - Elsevier
Complicated interaction of twin boundary with dislocation plays a pivotal role in mechanical
properties. In this study, the effect of TB on the fatigue crack initiation of Inconel 718 …
properties. In this study, the effect of TB on the fatigue crack initiation of Inconel 718 …
Superalloys fracture process inference based on overlap analysis of 3D models
X Zhang, G Guo, Z Li, W Meng, Y Zhang, Q Ye… - Communications …, 2024 - nature.com
Superalloy materials exhibit susceptibility to fracture failures stemming from the influence of
thermomechanical factors. To comprehensively understand the fracture mechanisms …
thermomechanical factors. To comprehensively understand the fracture mechanisms …
Microplasticity in polycrystalline materials from thermal cycling
In this work, we present a finite deformation, fully coupled thermomechanical crystal
plasticity framework. The model includes temperature dependence in the kinematic …
plasticity framework. The model includes temperature dependence in the kinematic …
Optimized Heat Treatment for Electron Beam Powder Bed Fusion Processed IN718: Correlating Microstructure, Texture, and Mechanical Properties
RJ Vikram, A Kirchner, B Klöden… - Advanced Engineering … - Wiley Online Library
This study investigates the microstructure and mechanical properties of Inconel 718 (IN718)
manufactured via electron beam melting (EBM). The EBM‐processed IN718 exhibits a …
manufactured via electron beam melting (EBM). The EBM‐processed IN718 exhibits a …