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Accession Number:
AD0700233
Title:
TRENDS IN CHARPY-V SHELF ENERGY DEGRADATION AND YIELD STRENGTH INCREASE OF NEUTRON-EMBRITTLED PRESSURE VESSEL STEELS.
Descriptive Note:
Interim rept.,
Corporate Author:
NAVAL RESEARCH LAB WASHINGTON D C
Report Date:
1969-12-22
Pagination or Media Count:
29.0
Abstract:
The effects of neutron irradiation on Charpy-V shelf energy and yield strength was examined for three pressure vessel steel compositions A302-B, A533, and A543. The effects of radiation exposure at low temperature 300F 149C and at elevated temperature 550F 288 C to 740F 393C on the overall notch ductility are documented and compared. Summary plots showing the simultaneous degradation in shelf energy and the increase of yield strength levels broadly illustrate the progressive change from ductile fracture performance to relatively brittle characteristics. Author
Distribution Statement:
APPROVED FOR PUBLIC RELEASE