Micro-mechanisms and precipitation kinetics of delta (δ) phase in Inconel 718 superalloy during aging

M Rafiei, H Mirzadeh, M Malekan - Journal of Alloys and Compounds, 2019 - Elsevier
The formation of δ phase in Inconel 718 superalloy during aging was quantitatively studied
based on improved analyzing techniques to unambiguously determine the mechanism of δ …

Homogenization kinetics of a typical nickel-based superalloy

M Rafiei, H Mirzadeh, M Malekan… - Journal of Alloys and …, 2019 - Elsevier
The kinetics analysis of homogenization in Inconel 718 superalloy needs much more
attention. For instance, the activation energy of Laves phase dissolution has not been …

Microsegregation behavior of Inconel 718 superalloy prepared by electron beam smelting layered solidification technology

L Zhao, Y Tan, S Shi, X You, P Li, C Cui - Journal of Alloys and Compounds, 2020 - Elsevier
Based on the principle of additive manufacturing in a layer-by-layer manner, a new electron
beam smelting layered solidification technology (EBS-LST) was curried out to fabricated …

[HTML][HTML] Effect of solution treatment on microstructure and stress rupture properties of precipitation hardened IN718 superalloy fabricated by laser powder-bed fusion …

AM Chizari, A Kermanpur, E Foroozmehr… - Journal of Materials …, 2022 - Elsevier
Abstract Effect of solution temperature in precipitation hardening on microstructure and
stress rupture properties of IN718 superalloy fabricated by laser powder-bed fusion (LPBF) …

Interdiffusion coefficients of alloying elements in a typical Ni-based superalloy

MJ Sohrabi, H Mirzadeh - Vacuum, 2019 - Elsevier
To study the precipitation reactions, homogenization of the as-cast structure,
thermomechanical processing, and high-temperature creep of superalloys, understanding …

Revisiting the diffusion of niobium in an as-cast nickel-based superalloy during annealing at elevated temperatures

MJ Sohrabi, H Mirzadeh - Metals and Materials International, 2020 - Springer
While understanding the interdiffusion of Nb in the austenite matrix of Ni-based superalloys
is important for studying the precipitation reactions (Laves phase, γ ″-precipitates and δ …

Evolution of Laves phase related to tensile properties in cast ATI 718Plus under pulsed electric current

M Zhou, R Bai, L Wang, J Chen, M Wang… - Journal of Alloys and …, 2024 - Elsevier
The Laves phase will seriously deteriorate the subsequent hot working and welding
performance of cast ATI 718Plus. In traditional homogenization annealing, two-stage …

[HTML][HTML] Introduction of a new method for regulating laves phases in inconel 718 superalloy during a laser-repairing process

S Sui, H Li, Z Li, X Zhao, L Ma, J Chen - Engineering, 2022 - Elsevier
The morphology, size, and distribution of Laves phases have important influences on the
mechanical properties of laser-repaired Inconel 718 (IN718) superalloy. Due to the …

A review on the Cyclic Oxidation Behavior and Mechanical Properties of the Pt–Al-Coated Cast Ni-based Superalloys

MM Barjesteh - International Journal of Metalcasting, 2023 - Springer
The turbine section of turbojet engines operates above 900° C. The cast Ni-based
superalloy blades and vanes are used in this section. These components which are working …

Estimation of homogenisation time for superalloys based on a new diffusional model

MJ Sohrabi, H Mirzadeh - Materials Science and Technology, 2020 - journals.sagepub.com
The inter-diffusion of segregating elements (Nb, Mo, and Ti) in the cast ingot of Inconel 718
superalloy during homogenisation at elevated temperature was studied by a new model …