About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
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Symposium
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Advanced Characterization Techniques for Quantifying and Modeling Deformation
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Presentation Title |
An Investigation to the Effects of Texture and Microstructure on Grain-scale Stress Development in Notched Specimens
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Author(s) |
Hamidreza Abdolvand, Alireza Tondro, Brandon Kuo, Karim Louca, Katherine Shanks |
On-Site Speaker (Planned) |
Hamidreza Abdolvand |
Abstract Scope |
The degradation mechanisms of the zirconium alloys used in the core of nuclear reactors are affected by the development of localized stress fields. The magnitudes of these stresses are affected by both local microstructure and the average texture of the alloy. Quantifying the contribution of each parameter is useful for understanding the underlying mechanisms that control degradation of zirconium alloys. In this talk, the use of three-dimensional synchrotron X-ray diffraction (3D-XRD), electron backscatter diffraction (EBSD) and crystal plasticity finite element (CPFE) in determining localized stresses will be discussed. Attention will be paid to understanding the role of texture and local microstructure on the development of grain-scale stresses in notched specimens subjected to both cyclic and monotonic loads. The contribution of load sharing among neighboring grains on the evolution of grain-scale stress concentration factors will be discussed. |
Proceedings Inclusion? |
Planned: |