An energy-CP-combined model for predicting the fatigue life of polycrystalline materials under high cycle and very high cycle fatigue

B Li, C Chen, Z Qin, H Xue - Engineering Fracture Mechanics, 2023 - Elsevier
A fatigue life prediction model in the high to very high cycle fatigue (VHCF) regime of as-
received 7075-T6 Al alloy material is proposed. The relative parameters in the life prediction …

Competitive role of primary γ′ precipitates and annealing twins on the heterogeneous deformation of a polycrystalline ni-based superalloy: Crystal plasticity modeling …

S Chaudhary, N Pai, GA Rao, Z Alam… - Journal of Alloys and …, 2023 - Elsevier
A crystal plasticity modeling framework is developed and used in combination with
experiments for studying the deformation behavior of a polycrystalline Ni-based superalloy …

[HTML][HTML] In-situ microstructure control by laser post-exposure treatment during laser powder-bed fusion

M Hasanabadi, A Keshavarzkermai, H Asgari… - Additive Manufacturing …, 2023 - Elsevier
In-situ microstructure control is an important feature of laser powder-bed fusion (LPBF) that
enables the tailoring of the mechanical behaviour of additively manufactured metallic parts …

A comparison of statistically equivalent and realistic microstructural representative volume elements for crystal plasticity models

F Azhari, W Davids, H Chen, SP Ringer… - Integrating Materials and …, 2022 - Springer
Two methods used to construct a microstructural representative volume element (RVE) were
evaluated for their accuracy when used in a crystal plasticity-based finite element (CP-FE) …

Oxidation induced crack closure in a nickel base superalloy: a novel phenomenon and mechanism assessed via combination of 2D and 3D characterization

Y Tan, N Gao, P Reed - Materials Science and Engineering: A, 2022 - Elsevier
Understanding the mechanism of oxidation induced crack closure (OICC) is of great
importance in understanding the fatigue resistance of materials operating at intermediate or …

Microstructure-informed, predictive crystal plasticity finite element model of fatigue-dwells

D Agius, A Al Mamun, CA Simpson, C Truman… - Computational Materials …, 2020 - Elsevier
Crystal plasticity finite element (CPFE) modelling is an effective tool from which detailed
information on the meso-scale behaviour of crystalline metallic systems can be extracted …

Sequential hybridisation of wire and powder-based additive manufacturing of Inconel 718: Mechanical and microstructural characterization

D Mudakavi, RB Sreesha, RS Thanumoorthy… - Materials Science and …, 2024 - Elsevier
The present study combines the Wire-based DED (W-DED) and Powder-based DED (P-
DED) to achieve a high deposition rate and higher feature resolution, respectively, within the …

A multiscale model for nickel-based directionally solidified materials

F Coudon, G Cailletaud, J Cormier, L Marcin - International Journal of …, 2019 - Elsevier
In this paper, the so-called “β rule” is used to simulate the anisotropic behaviour of
directionally solidified superalloys. First, the “mean-field” model is extended to the general …

Creep‐fatigue deformation micromechanisms of a directionally solidified nickel‐base superalloy at 850° C

RK Rai, JK Sahu, SK Das, N Paulose… - Fatigue & Fracture of …, 2020 - Wiley Online Library
In the present exploration, it was attempted to understand the creep‐fatigue (CF)
deformation micromechanisms of alloy CM 247 DS LC by conducting low‐cycle fatigue …

Low cycle fatigue behavior of a directionally solidified nickel-based superalloy: mechanistic and microstructural aspect

RK Rai, JK Sahu, N Paulose, C Fernando - Metallurgical and Materials …, 2020 - Springer
In the present research, efforts were made to understand the mechanistic and
microstructural aspects of the low cycle fatigue failure of a directionally solidified (DS) nickel …