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Swelling in several commercial alloys irradiated to very high neutron fluence

Description: Swelling values have been obtained from a set of commercial alloys irradiated in EBR-II to a peak fluence of 2.5 x 10/sup 23/ n/cm/sup 2/ (E > 0.1 MeV) or approx. 125 dpa covering the range 400 to 650/sup 0/C. The alloys can be ranked for swelling resistance from highest to lowest as follows: the martensitic and ferritic alloys, the niobium based alloys, the precipitation strengthened iron and nickel based alloys, the molybdenum alloys and the austenitic alloys.
Date: January 1, 1983
Creator: Gelles, D. S. & Pintler, J. S.
Partner: UNT Libraries Government Documents Department
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Temperature aspects of pulsed ion bombardment in an austenitic alloy

Description: The influence of pulsed ion irradiation to a damage level of 10 dpa at temperatures from 843 to 1023/sup 0/K has been studied in a quaternary Fe-17Cr-17Ni-2.5Mo austenitic alloy. Pulsing periods of either 60 s on/60 s off or 1 s on/1 s off were used, together with continuous bombardment as a control. Helium (200 appM) was supplied either by simultaneous or room temperature preimplantation, or omitted. While most specimens experienced only 2 to 3/sup 0/K temperature fluctuations with the beam pu… more
Date: January 1, 1983
Creator: Packan, N. H.
Partner: UNT Libraries Government Documents Department
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Evaluation of ferritic alloy Fe-2-1/4Cr-1Mo after neutron irradiation - irradiation creep and swelling

Description: Irradiation creep and swelling measurements are reported for Fe-2-1/4Cr-1Mo after irradiation by fast neutrons over the temperature range 390 to 560/sup 0/C. Diameter change measurements on thin walled pressurized tubes in a bainitic condition and density change measurements on rods in a nonstandard condition were made following irradiation in the Experimental Breeder Reactor II. The irradiation creep specimens were irradiated to a fluence of 5.7 x 10/sup 22/ n/cm/sup 2/ (E > 0.1 MeV) or 30 dpa… more
Date: October 1, 1983
Creator: Gelles, D. S. & Puigh, R. J.
Partner: UNT Libraries Government Documents Department
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