High-Temperature Fatigue Behavior of Inertia Friction Welded Joints of GH4065A Ni-Based Superalloy

X Li, J Liu, Q Liu, C Zhang, H Liang, L Cui… - Acta Metallurgica Sinica …, 2024‏ - Springer
In this work, the novel Ni-based superalloy GH4065A inertia friction welding (IFW) joints
were subjected to the post-welding heat treatments (PWHT) at 730℃ for 5 h or 760℃ for 5 h …

Adaptation of a heat-treatment condition to a precipitation-hardened nickel-based superalloy produced by laser powder bed fusion

Y Li, J Xu, B Liu, Y Gao, S Xue, Y Hu, Y Ding… - Materials Science and …, 2024‏ - Elsevier
This study evaluated the microstructural evolution and mechanical properties of a novel
printable nickel-based superalloy subjected to a solution aging treatment. The …

[HTML][HTML] Fine-Tuning Melt Pools and Microstructures: Taming Cracks in Powder Bed Fusion—Laser Beam of a non-weldable Ni-base Superalloy

A Fardan, A Fazi, RL Peng, T Mishurova, M Thuvander… - Materialia, 2024‏ - Elsevier
Abstract Powder Bed Fusion–Laser Beam (PBF-LB) of high γ'strengthened Ni-base
superalloys, such as CM247LC, is of great interest for high temperature applications in gas …

Insights into the application of flat-top laser in selective laser melting processed Inconel 738: simulation of solid-state phase transformation

H Kong, Y Hou, H Qin, Z Sun, J **e, J Yan, Z Bi… - … International Journal of …, 2024‏ - Springer
This work proposes a novel thermal-metallurgical model (TMM) that integrates the flat-top
laser (FTL) heat source model with the non-isothermal Johnson–Mehl–Avrami (JMA) phase …

The effect of hot isostatic pressing pressure level and solution annealing cooling rate on CM247 LC nickel-based superalloy processed by laser-based powder bed …

PA Martelli, E Bassini, D Ugues - Progress in Additive Manufacturing, 2024‏ - Springer
In the present work, CM247 LC samples produced by laser-based powder bed fusion (PBF-
LB) were heat treated inside a hot isostatic pressing (HIP) furnace (HIP quench treatment) at …

Integrated Thermal and Metallurgical Simulation Framework for Selective Laser Melting Multi-Component and Multi-Phase Alloys

H Kong, Y Hou, H Qin, J **e, Z Bi, H Su - Processes, 2023‏ - mdpi.com
To fully understand the impact of cyclic heating on the solid-state phase transformation
behavior (SPTB) of multi-component multi-phase alloys (MCPA) during selective laser …

A Correlative In Situ and Ex Situ Analysis of Static Recrystallisation in a New Superalloy for 3D-Printing

YT Tang, A Hoang Pham, S Utada, JS Zhang… - International Symposium …, 2024‏ - Springer
By making particular use of high-temperature confocal laser scanning microscopy, static
recrystallisation is studied correlatively both in situ and ex situ in an as-fabricated superalloy …

The PLC Effect in the Absence of Long-Range Cottrell Atmospheres in RR1000

BS Rowlands, LR Owen, JR Miller, X Shen… - International Symposium …, 2024‏ - Springer
Abstract The Portevin–Le Chatelier (PLC) effect is widely attributed to the partitioning of
interstitial C atoms around dislocation cores in mild steels, to form Cottrell atmospheres …

The Relationship Between Strain-Age Cracking and the Evolution of γ′ in Laser Powder-Bed-Fusion Processed Ni-Based Superalloys

JFS Markanday, N D'Souza, NL Church… - International Symposium …, 2024‏ - Springer
Factors affecting strain-age cracking (SAC) have been quantitatively assessed in a range of
Ni-base superalloys with differing γ′ contents. Differences in the amount of γ′ present in …

[PDF][PDF] Powder Bed Fusion-Laser Beam of a Non Weldable Ni-based Superalloy: Role of Process Parameters and Scan Strategies

AFJ Hussain - 2024‏ - research.chalmers.se
Additive Manufacturing (AM), in particular, Powder Bed Fusion–Laser Beam (PBF-LB) has
garnered attention due to its design freedom, near net shape capability, and reduced lead …