Hot deformation behavior and workability of a Ni–Co based superalloy

P Liu, R Zhang, Y Yuan, C Cui, Y Zhou… - Journal of Alloys and …, 2020‏ - Elsevier
The hot deformation behavior of a new Ni–Co based alloy was investigated by the
isothermal compression tests in a temperature range of 1060–1180° C and a strain rate …

Dissolution of the Primary γ′ Precipitates and Grain Growth during Solution Treatment of Three Nickel Base Superalloys

K Alvarado, I Janeiro, S Florez, B Flipon, JM Franchet… - Metals, 2021‏ - mdpi.com
Second phase particles (SPP) play an essential role in controlling grain size and properties
of polycrystalline nickel base superalloys. The understanding of the behavior of these …

Overgrown grains appearing during sub-solvus heat treatment in a polycrystalline γ-γ'Nickel-based superalloy

MA Charpagne, JM Franchet, N Bozzolo - Materials & Design, 2018‏ - Elsevier
The present article focuses on establishing the nature of excessive grain growth in a new γ-
γ'superalloy, by investigating the underlying driving forces. Excessive grain growth upon …

[HTML][HTML] Study on interfacial healing mechanism of a Ni-Co base dual-phase superalloy during hot-compression bonding

S Ren, X Bai, S Liu, M Sun, B Xu, C Cui, G Ma - Materials & Design, 2024‏ - Elsevier
Hot-compression bonding (HCB) as an advanced technique for preparation of large-size
homogenized components is widely applied. Despite the fact that interfacial healing …

[HTML][HTML] Effects of standard heat treatment on micro-to nanostructure heterogeneities in a Rene 65 Ni-based superalloy billet

VV Rielli, TD Pham, F Godor, C Gruber… - Materials Science and …, 2024‏ - Elsevier
Advancements in the manufacturing of aeroengine components with superior mechanical
properties rely on the microstructure homogeneity of industrially forged Ni-based …

γ′ precipitates with a twin orientation relationship to their hosting grain in a γ-γ′ nickel-based superalloy

S Vernier, JM Franchet, C Dumont, P Vennegues… - Scripta Materialia, 2018‏ - Elsevier
In a polycrystalline γ-γ′ nickel-based superalloy, γ′ precipitates with a close-to-twin
orientation relationship to their surrounding matrix (named T-type precipitates) are found in …

A mechanism leading to γ′ precipitates with {111} facets and unusual orientation relationships to the matrix in γ–γ′ nickel-based superalloys

S Vernier, JM Franchet, C Dumont… - Metallurgical and Materials …, 2018‏ - Springer
Cast-and-wrought heavily alloyed γ–γ′ nickel-based superalloys may exhibit large
recovered grains inherited from the ingot conversion and characterized by a high density of …

Role of the Secondary Phase η During High-Temperature Compression of ATI 718Plus®

C Kienl, P Mandal, H Lalvani, CMF Rae - Metallurgical and Materials …, 2020‏ - Springer
High-temperature compression tests were performed on a Ni-base superalloy with a multi-
phase microstructure. Particular attention was given on the influence of the η phase on …

Advanced modeling tools for processing and lifing of aeroengine components

A Longuet, C Dumont, E Georges - … of the 14th International Symposium on …, 2020‏ - Springer
Lifing is one of the main challenges for aeroengine manufacturers. For fatigue prediction,
attention has been focused on the crack initiation mode depending on stress level and initial …

iCHORD-SI combination as an alternative to EDS-EBSD coupling for the characterization of γ-γ′ nickel-based superalloy microstructures

S Vernier, JM Franchet, M Lesne, T Douillard… - Materials …, 2018‏ - Elsevier
Because they exhibit very similar diffraction patterns, the γ and γ′ phases of nickel-based
superalloys cannot be distinguished by the conventional EBSD technique alone. This paper …