Inclusions in wrought superalloys: a review

S Yang, S Yang, J Qu, J Du, Y Gu, P Zhao… - Journal of Iron and Steel …, 2021 - Springer
Inclusions in wrought superalloys significantly affect the stability of the alloy properties and
limit their use and development in aeroengines and other applications. The types and …

Role of δ-phase on mechanical behaviors of additive manufactured inconel 718: detailed microstructure analysis and crystal plasticity modelling

N Xi, Z Ni, X Fang, Y Zhou, K Tang, H Zhang… - International Journal of …, 2023 - Elsevier
In this work, a multi-scale approach was applied to reveal the evolution mechanisms of the δ
(Ni 3 Nb) phase and the resultant mechanical responses in wire-arc additive manufactured …

[HTML][HTML] The high temperature oxidation behavior of a superalloy prepared by vacuum induction melting and electron beam smelting: A comparative study

Y Yiliti, G Dong, X Liu, X You, W Han, L Dong… - Journal of Materials …, 2023 - Elsevier
In this paper, the high temperature oxidation behavior of superalloys prepared by the
electron beam smelting (EBS) and vacuum induction melting (VIM) at 900° C and 1000° C is …

Crystal plasticity model for single crystal Ni-based superalloys: Capturing orientation and temperature dependence of flow stress

S Gupta, CA Bronkhorst - International Journal of Plasticity, 2021 - Elsevier
We develop a dislocation density based crystal plasticity model to capture the
micromechanical behavior of γ′ strengthening nickel-based superalloys. The elasto …

A new data-driven probabilistic fatigue life prediction framework informed by experiments and multiscale simulation

Z Liang, X Wang, Y Cui, W Xu, Y Zhang, Y He - International Journal of …, 2023 - Elsevier
Traditional probabilistic fatigue life test requires long time, a large number of samples and
high cost due to dispersion, randomness and complexity. A new data-driven probabilistic …

Examining metrics for fatigue life predictions of additively manufactured IN718 via crystal plasticity modeling including the role of simulation volume and …

V Prithivirajan, MD Sangid - Materials Science and Engineering: A, 2020 - Elsevier
There is a growing demand for the development of precise, accurate, and industrially
applicable predictive models for evaluating the fatigue performance of additively …

Simulated effects of sample size and grain neighborhood on the modeling of extreme value fatigue response

KS Stopka, M Yaghoobi, JE Allison, DL McDowell - Acta Materialia, 2022 - Elsevier
Assessing the size of representative volume elements (RVEs) for fatigue-related
applications is challenging. A RVE relevant to random microstructure requires a volume of …

Dislocation density based crystal plasticity model incorporating the effect of precipitates in IN718 under monotonic and cyclic deformation

S Agaram, AK Kanjarla, B Bhuvaraghan… - International Journal of …, 2021 - Elsevier
A dislocation density based crystal plasticity model is developed to account for the
precipitate induced cyclic softening in IN718. The new model treats the interaction between …

Grain interactions under thermo-mechanical loads investigated with coupled crystal plasticity simulations and high-energy X-ray diffraction microscopy

BT Mackey, R Bandyopadhyay, SE Gustafson… - Acta Materialia, 2023 - Elsevier
Nickel (Ni)-based superalloys are used for safety-critical components in the aerospace
industry because of their high strength at elevated temperatures. These materials are …

Crystal plasticity modelling of stability of residual stresses induced by shot peening

S Agaram, SM Srinivasan, AK Kanjarla - International Journal of …, 2022 - Elsevier
Gas turbine components are often shot-peened to improve surface integrity and fatigue
capability. Compressive Residual Stress (CRS) and increased surface hardness are the key …