Deformation Mechanism of Age Hardened Alloy 709 Materials
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
This report provides an in-depth study of the microstructures of creep-deformed Alloy 790 materials. Five specimens, all creep-tested at 600°C under 330 MPa to failure, were investigated. The creep specimens were machined from plates fabricated by different melt practices, Argon Oxygen Decarburization (AOD), or AOD followed by Electroslag remelting (ESR), and different heat treatments: 1100 or 1150°C Solution Anneal (SA), and some with additional Precipitation Treatment (PT) of 775°C for 10 hours. TEM samples were made from the gauge and the grip sections of each creep-deformed specimen. Bright-field (BF) imaging, high-angle annular dark field (HAADF) imaging, and energy dispersive x-ray spectroscopy (EDS) using a scanning transmission electron microscope (STEM) were carried out on all the samples.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Nuclear Energy, Office of Nuclear Reactor Technologies. Advanced Reactor Technologies (ART)
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1820619
- Report Number(s):
- ANL-ART-233; 170851
- Country of Publication:
- United States
- Language:
- English
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