About this Abstract |
Meeting |
TMS Specialty Congress 2025
|
Symposium
|
The 7th International Congress on 3D Materials Science (3DMS 2025)
|
Presentation Title |
Multiscale Qualitative and Quantitative Assessment of Microstructural Elements in the IN718 Nickel-Base Superalloy After Various Annealing Durations at 760°C |
Author(s) |
Adam Kruk, Grzegorz Cempura |
On-Site Speaker (Planned) |
Grzegorz Cempura |
Abstract Scope |
Structural materials used in critical components in the energy and aerospace sectors operate under challenging environmental conditions, leading to gas corrosion and microstructural degradation due to high temperatures and complex stress states. Assessing the degree of microstructural degradation requires multiscale parameterization. 2D imaging using scanning and transmission electron microscopy enables phase composition identification based on TEM-SAED analysis, STEM-EDX, and high-resolution HRSTEM-HAADF imaging. To obtain information about the spatial distribution of specific microstructural elements, including their morphology, high-resolution 3D imaging techniques are required. One such technique is FIB-SEM tomography, which allows 3D reconstruction of microstructural elements with voxel resolution on the order of a few nanometers. These imaging methods and techniques enabled the analysis of microstructural changes caused by prolonged annealing at temperatures above the operating range of the IN718 alloy. Qualitative and quantitative changes in the microstructure were compared with data obtained through numerical simulations performed using Thermo-Calc 2024b software. |
Proceedings Inclusion? |
Undecided |