Koko, A; Bond, W; Simpson, R; Lodeiro, M; Mendieta, A; Sutton, G (2024) Investigating the Microstructural Evolution of Inconel 718 Under a Controlled Thermal Gradient. In: 10th International Conference on Advances in Materials, Manufacturing and Repair for Power Plants (AM-EPRI 2024), 15-18 October 2024, Bonita Springs, FL, USA.
Full text not available from this repository.Abstract
This study demonstrates the Electro-Thermal Mechanical Testing (ETMT) system's capability to analyze the thermo-mechanical behavior of Inconel 718 (IN718) at a heating rate of 5 °C/s, achieving temperatures up to 950 °C. The temperature profile peaks at the sample's center and is approximately 25 °C at the extremes. Upon reaching 950 °C, the sample was aged for 30 hours before being rapidly quenched. This process froze the microstructure, preserving the phase transformations that occurred at various temperatures across the temperature parabolic gradient, which resulted in a complex gradient microstructure, providing a comprehensive map of phase transformations in IN718. The integration of thermal measurement, COMSOL modelling, scanning electron microscopy enabled a thorough characterization of the microstructural evolution in IN718, linking observed phases to the specific temperatures which provided a rapid screening of the effect of using different heating treatment routes.
Item Type: | Conference or Workshop Item (Paper) |
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Subjects: | Advanced Materials > Microstructural Characterisation |
Divisions: | Materials and Mechanical Metrology |
Identification number/DOI: | 10.31399/asm.cp.am-epri-2024p0449 |
Last Modified: | 27 Nov 2024 13:49 |
URI: | http://eprintspublications.npl.co.uk/id/eprint/10103 |
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