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Fracture behavior of unirradiated HT-9 and modified 9Cr-1Mo welds

Author
Huang, F. H.
Published
United States : [publisher not identified], 1983
Springfield, Va.: National Technical Information Service, [approximately 1983]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Gelles, D. S.

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Summary
Fracture toughness tests on HT-9 weld and HAZ samples and modified 9Cr-1Mo weld samples were performed at 93, 205, 427 and 538/sup 0/C. Specimens were of circular compact tension type fabricated from welded material with the notch orientation parallel to the fusion line. The test results were analyzed using the J-integral approach. The results demonstrated that the toughness of HT-9 and 9Cr-1Mo was not significantly reduced due to welding. However, the tearing modulus of the welded material was lower than that of base metal, indicating that the alloys become less resistant to crack propagation as a result of welding.
Report Numbers
DE83016021; HEDL-SA-2776-FP; CONF-830659-6
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AC06-76FF02170
OSTI Identifier 5858793
Research organization: Hanford Engineering Development Lab., Richland, WA (USA).
View MARC record | catkey: 47333233