New strategy to improve the overall performance of single-crystal superalloys by designing a bimodal γ′ precipitation microstructure

W Xia, X Zhao, J Wang, Q Yue, Y Cheng, L Kong… - Acta Materialia, 2023 - Elsevier
Advanced single-crystal superalloys, developed to improve the high temperature capability
of gas turbines, often underperform in low-temperature conditions. This limitation …

Tunning the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC by adjusting ageing treatment

Z Gao, P Zhang, J Li, X Gong, Y Yuan… - Materials Research …, 2023 - Taylor & Francis
We investigate the tensile deformation behavior and mechanism of nickel-based superalloy
CM247LC, which has been subjected to various ageing treatment schemes, but possesses …

Analysis of the As-Cast Microstructure and Properties of the Ni-Based Superalloy MAR-M247® Produced Via Directional Solidification

Ł Rakoczy, M Grudzień-Rakoczy, R Cygan… - … Materials Transactions A, 2023 - Springer
The presented research investigates MAR-M247® Ni-based superalloy castings produced
via directional solidification at various mold preheating temperatures (1510, 1566° C) and …

Microstructure and selected properties of the solution heat-treated MAR-M247 Ni-based superalloy fabricated via directional solidification

Ł Rakoczy, M Grudzień-Rakoczy, R Cygan… - … International Journal of …, 2024 - Springer
This work focuses on MAR-M247 Ni-based superalloy manufactured via directional
solidification at various withdrawal rates (3.4 or 5.0 mm/min) and shell mold temperatures …

Lattice Rotation and Deformation Mechanisms under Tensile Loading in a Single-Crystal Superalloy with [001] Misorientation

X Gao, Z Zhang, L Liu, C Tao - Materials, 2024 - mdpi.com
This study investigates how deviation angles close to the [001] orientation affect the tensile
properties and deformation behavior of a nickel-based single-crystal superalloy at room …

Creep-recovery deformation of 304 stainless-steel springs under low forces

MY Tsai, SY Chang, Y Zhang, F Yang, S Lee - Mechanics of Materials, 2024 - Elsevier
The deformation behavior of materials at high temperatures determines the structural
stability of mechanical structures under high-temperature service conditions. In this work, we …

Resistance to Viscoplastic Deformation of Ni-Based SX Superalloys with Bimodal Distributions of Gamma-Prime Precipitates

LM Bortoluci Ormastroni, J Rame, D Eyidi… - International Symposium …, 2024 - Springer
Ni-based single crystal (SX) superalloys have a well-established history of application in
high pressure turbine (HPT) blades and vanes. Nowadays, these components are …

Creep Properties Dependence to Solution Heat Treatment of Second and Third Generation Ni-Based Single Crystal Superalloys

LM Bortoluci Ormastroni, J Rame, J Cormier - International Symposium on …, 2024 - Springer
Computational design is increasingly being used by industry and research institutes for the
development of new compositions of Ni-based single crystal (SX) superalloys. Alloy …

Micromécanismes de déformation et propriétés en traction de superalliages base nickel monocristallins avancés

B Mansoz - 2024 - theses.hal.science
La hausse de la température de fonctionnement des turbomachines a nécessité le
développement de nouvelles générations de superalliages monocristallins plus résistants à …

[PDF][PDF] Microstructure Evolution and Deformation Micromechanisms of Nickel and Refractory Superalloys

M Awais - 2023 - scholarship.miami.edu
Gas turbine engines are widely used in aersopace and power generation industries. The
turbines (Figure 1.1) are subjected to extreme operating conditions, including high …