NSUF 18-CINR-14783: Nanodispersion Strengthened Metallic Composites with Enhanced Neutron Irradiation Tolerance
We propose to significantly improve the fundamental understanding of the mechanism of defects evolution at interfaces in the nanodispersion strengthened materials under neutron irradiation. Experiments and modeling will be coupled to understand the microstructure evolution and mechanical property changes under neutron irradiation. Post-irradiation Examination (PIE) including microstructure characterization and mechanical testing will be conducted in IMCL. Characterization of neutron irradiated microstructure will assist one to understand the interface degradation and therefore optimize a large-scale manufacturing technique. PIE will provide insights on the role of interface in 1D/2D filler to improve radiation resistance, enabling a better understanding of the irradiation mechanism at the nanoscale, which will further impact the development of new radiation-resistant materials. We will also validate a more general theory of damage mechanics, and verify multi-scale modeling of damage evolution. Revealing the basic irradiation physics of our-1D/2D nanocomposites materials, at this stage, guide us to assemble higher burn-up of fuel for nuclear fuel cladding and structural core, which would directly reduce the fueling costs and the number of nuclear wastes, and improve the reliability and economy of the new nuclear reactor. The results will highly enhance the feasibility of future deployment.
Additional Info
| Field | Value |
|---|---|
| Abstract | We propose to significantly improve the fundamental understanding of the mechanism of defects evolution at interfaces in the nanodispersion strengthened materials under neutron irradiation. Experiments and modeling will be coupled to understand the microstructure evolution and mechanical property changes under neutron irradiation. Post-irradiation Examination (PIE) including microstructure characterization and mechanical testing will be conducted in IMCL. Characterization of neutron irradiated microstructure will assist one to understand the interface degradation and therefore optimize a large-scale manufacturing technique. PIE will provide insights on the role of interface in 1D/2D filler to improve radiation resistance, enabling a better understanding of the irradiation mechanism at the nanoscale, which will further impact the development of new radiation-resistant materials. We will also validate a more general theory of damage mechanics, and verify multi-scale modeling of damage evolution. Revealing the basic irradiation physics of our-1D/2D nanocomposites materials, at this stage, guide us to assemble higher burn-up of fuel for nuclear fuel cladding and structural core, which would directly reduce the fueling costs and the number of nuclear wastes, and improve the reliability and economy of the new nuclear reactor. The results will highly enhance the feasibility of future deployment. |
| Award Announced Date | 2020-01-08T00:00:00 |
| Awarded Institution | None |
| Facility | None |
| Facility Tech Lead | |
| Irradiation Facility | None |
| PI | Ju Li |
| PI Email | [email protected] |
| Project Type | CINR |
| RTE Number | None |