NSUF 16-797: In situ studies of radiation damage in nanostructured austenitic stainless steels
Technical Abstract
The main objective of this RTE proposal is to use in situ radiation technique (at IVEM-Argonne National Lab) to interrogate radiation induced microstructure evolution in nanostructured austenitic stainless steels. The ultimate goal is to design nanostructured radiation tolerant materials for advanced nuclear reactors. The system to be investigated include nanocrystalline (NC) austenitic 304L stainless steel (304L SS), and 2) NC 316L SS. Nanocrystalline steels have been prepared via equal channel angular pressing (ECAP). Novelty. Nanostructured metallic materials hold great promise to significantly enhance radiation tolerance of a variety of reactor materials. Previous NEUP studies by the PIs have shown that He ion irradiated NC austenitic Fe-14Cr-16Ni had much lower defect density than coarse grained materials, implying NC materials may significantly reduce void swelling under neutron radiation. However the fundamental mechanisms of enhanced radiation tolerance remain unclear. In situ radiation technique at IVEM – Argonne National Laboratory will allow us to examine the interaction of defect loops with high angle grain boundaries during heavy ion irradiation in NC 304L SS. Major tasks in this project include the 1) investigation of defect-grain boundary interactions and size effect; 2) the influence of radiation dose rate and temperature on defect accumulation; and 3) the radiation stability of nanograins.
Expected period of performance: January-September 2017
Допълнителна информация
| Поле | Стойност |
|---|---|
| Awarded Institution | None |
| Embargo End Date | 2026-02-27 |
| Facility Tech Lead | Wei-Ying Chen |
| NSUF Call | FY 2017 RTE 1st Call |
| PI | Xinghang Zhang |
| Project Member | Professor Xinghang Zhang, Professor - Purdue University (https://orcid.org/0000-0002-8380-8667) |
| Project Notes | Awarded on 12/16/2016 |
| Project Type | RTE |
| Publication | In situ heavy ion irradiation studies of nanopore shrinkage and enhanced radiation tolerance of nanoporous Au Jin Li, Haiyan Wang, Xinghang Zhang Scientific Reports 7 2017-01-03 https://www.nature.com/articles/srep39484 |
| Publication | Defect evolution in heavy ion irradiated nanotwinned Cu with nanovoids Jin Li, Haiyan Wang, Xinghang Zhang Journal of Nuclear Materials 496 2017-09-22 https://doi.org/10.1016/j.jnucmat.2017.09.031 |
| Publication | In Situ Studies on Twin-Thickness-Dependent Distribution of Defect Clusters in Heavy Ion-Irradiated Nanotwinned Ag Jin Li, Youxing Chen, Haiyan Wang, Xinghang Zhang Metallurgical and Materials Transactions A 48 2017-01-04 https://doi.org/10.1007/s11661-016-3895-7 |
| Publication | Measurement of heavy ion irradiation induced in-plane strain in patterned face-centered-cubic metal films: an in situ study Kaiyuan Yu, Youxing Chen, Jin Li, Haiyan Wang, Meimei Li, Xinghang Zhang Nano Letters 16 2016-11-28 https://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b03195 |
| Publication | In situ studies on radiation tolerance of nanotwinned Cu Youxing Chen, Jin Li, Kaiyuan Yu, Haiyan Wang, Meimei Li, Xinghang Zhang Acta Materialia 111 2016-06-01 https://doi.org/10.1016/j.actamat.2016.03.039 |
| Publication | Radiation Enhanced Absorption of Frank Loops by Nanovoids in Cu Youxing Chen, Xinghang Zhang JOM 68 2015-11-11 https://link.springer.com/article/10.1007/s11837-015-1689-9 |
| Publication | In Situ Studies on the Irradiation-Induced Twin Boundary-Defect Interactions in Cu Jin Li Metall. Trans. A 48 2017-08-23 https://doi.org/10.1007/s11661-017-4293-5 |
| RTE Number | 797 |