Journal
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY
Volume 53, Issue 12, Pages 1951-1959Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00223131.2016.1175390
Keywords
Mechanical alloying; hot isostatic pressing; thermomechanical processing; grain boundaries; dislocations; voids; EBSD
Categories
Funding
- JSPS [19106017]
- Grants-in-Aid for Scientific Research [26390066, 19106017] Funding Source: KAKEN
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Development of fine grain 316L with small amount of TiC for high radiation-tolerant performance was tried considering the fabrication process of thermo-mechanical treatments. The materials obtained are UFG316L+2.0 mass% TiC with the grain size of 90-270nm, depending on the final annealing temperature from 700 ? to 900 ?. The materials were examined by transmission electron microscopy observation, X-ray absorption near-edge structure spectroscopy, high voltage electron microscope electron irradiation and stress corrosion cracking by crevice bent beam method in high-temperature water with 8ppm dissolved oxygen. The test results showed that the material is generally of excellent quality. Especially void swelling induced by the electron irradiation at 400 ? is less than 1/10 compared to the commercial SUS316L.
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