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On the Effect of Neutron Flux and Composition on Hardening of Reactor Pressure Vessel Steels and Model Alloys

  • G. R. Odette (a1), G. E. Lucas (a1) and D. Klingensmith (a1)

Abstract

Single variable experiments on a set of reactor pressure vessel and model alloys with a range of controlled compositions show a systematic effect of neutron flux (ϕ) on hardening in the intermediate fluence (ϕt) regime. The data suggest that high ϕ and enhanced recombination by vacancy trapping by solutes delays the onset of radiation-enhanced precipitation hardening.

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1. Odette, G. R. and Lucas, G. E., EPRI NP 6114, Electric Power Research Institute (1989)
2. Odette, G. R., MRS. Symp. Proc., 373, 137 (1995).
3. Odette, G. R. and Lucas, G. E., Rad Eff & Defects in Solids, 144, 189 (1998).
4. Odette, G. R., Mader, E., Lucas, G. E., Phythian, W. J., English, C. A., ASTM-STP-1175, American Society for Testing and Materials, 373 (1993).
5. Odette, G. R., in: Neutron Irradiation Effects in Reactor Pressure Vessel Steels and Weldments, IAEA-IWG-LMNPP-98/3, Davies, M., ed., IAEA, Vienna (1998).
6. Odette, G. R., Lucas, G. E. Klingensmith, D., Wirth, B. D. and Gragg, D., NUREG –CR-, U. S. Nuclear Regulatory Commission, Washington D.C. (in press).
7. Eason, E. D., Wright, J. E. and Odette, G. R., NUREG/CR-6551, U. S. Nuclear Regulatory Commission, Washington D.C., 1998
8. Stallmann, F., Wang, J. A., Kam, F. B. K., Taylor, B. J, NUREG/CR-4816, U. S. Nuclear Regulatory Commission, 1994.
9. Williams, T., Ellis, D., ASTM STP 1405, American Society for Testing and Materials, in press.

On the Effect of Neutron Flux and Composition on Hardening of Reactor Pressure Vessel Steels and Model Alloys

  • G. R. Odette (a1), G. E. Lucas (a1) and D. Klingensmith (a1)

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