The effect of fusion-relevant helium levels on the mechanical properties of isotopically tailored ferritic alloys
- Loughborough Univ. (United Kingdom)
- Pacific Northwest National Lab., Richland, WA (United States); and others
The yield and maximum strengths of an irradiated series of isotopically tailored ferritic alloys were evaluated using the shear punch test. The composition of three of the alloys was Fe-12Cr-1.5Ni. Different balances of nickel isotopes were used in each alloy in order to produce different helium levels. A fourth alloy, which contained no nickel, was also irradiated. The addition of nickel at any isotopic balance to the Fe-12Cr base alloy significantly increased the shear yield and maximum strengths of the alloys, and as expected, the strength of the alloys decreased with increasing irradiation temperature. Helium itself, up to 75 appm over 7 dpa appears to have little effect on the mechanical properties of the alloys.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- OSTI ID:
- 543289
- Report Number(s):
- DOE/ER-0313/21; ON: DE97008798; TRN: 97:020331
- Resource Relation:
- Other Information: PBD: Apr 1997; Related Information: Is Part Of Fusion materials semiannual progress report for the period ending December 31, 1996; PB: 296 p.
- Country of Publication:
- United States
- Language:
- English
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