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Role of cavities on deformation-induced martensitic transformation pathways in a laser-welded, neutron irradiated austenitic stainless steel
| Content Provider | Semantic Scholar |
|---|---|
| Author | Mao, Keyou Sun, Chenglin Shiau, Ching-Heng Yano, Kayla Freyer, Paula D. El-Azab, Anter Garner, Frank A. French, Aaron M. Shao, Lin Wharry, Janelle P. |
| Copyright Year | 2020 |
| Abstract | Abstract The role of cavities on deformation-induced martensitic phase transformations is studied in a laser-welded and neutron irradiated austenitic stainless steel. Orientation dependent nanoindentation experiments are performed in the base metal and the weld heat affected zone (HAZ) at room temperature. Transmission electron microscopy study of deformed microstructures indicates indentation-induced α'-martensite forms in the base metal, whereas α'- and e-martensite arise in the HAZ. The different pathway of martensite phase transformation is attributed to the laser weld-induced annealing of cavities. Our results suggest that deformation-induced martensitic phase transformation of austenitic stainless steel is correlated to neutron irradiated cavity structures. |
| Starting Page | 1 |
| Ending Page | 6 |
| Page Count | 6 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.scriptamat.2019.10.037 |
| Volume Number | 178 |
| Alternate Webpage(s) | https://nsuf.inl.gov/Publication/DownloadDocument/4100 |
| Alternate Webpage(s) | https://doi.org/10.1016/j.scriptamat.2019.10.037 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
