Crack-arrest tests on two irradiated high-copper welds
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Crack-arrest tests on two irradiated high-copper welds phase II : results of duplex-type experiments by

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Published by Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission in Washington, DC .
Written in English

Subjects:

  • Irradiation -- Testing.,
  • Nuclear pressure vessels -- Welding -- Effect of radiation on -- Testing.,
  • Welded joints -- Cracking -- Testing.

Book details:

Edition Notes

Other titlesCrack arrest tests on two irradiated high-copper welds., Results of duplex-type experiments.
Statementprepared by S.K. Iskander, W.R. Corwin, R.K. Nanstad.
ContributionsCorwin, W. R., Nanstad, R. K., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., Oak Ridge National Laboratory.
The Physical Object
FormatMicroform
Pagination1 v. (various pagings)
ID Numbers
Open LibraryOL15389019M

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Results of crack-arrest tests on two irradiated high-copper welds Technical Report Iskander, S K ; Corwin, W R ; Nanstead, R K The objective of this study was to determine the effect of neutron irradiation on the shift and shape of the lower-bound curve to crack-arrest data. Iskander SK, Corwin WR, Nanstad RK. Results of crack-arrest tests on two irradiated high-copper welds, USNRC Report NUREG/CR (ORNL/TM). Oak Ridge, TN, USA: Oak Ridge National Laboratory; Cited by: 7. Crack-arrest specimens fabricated from these welds were irradiated at a nominal temperature of °C to an average fluence of × 10 19 neutrons/cm 2 (> 1 MeV). A preliminary evaluation of the results shows that the neutron-irradiation induced crack-arrest toughness temperature shift is about the same as the Charpy V-notch impact temperature shift at the J energy by: 9. Effects of irradiation on initiation and crack-arrest toughness of two high-copper welds and on stainless steel cladding.

Ridge Natl. Lab., Oak Ridge, Tenn., Results of Crack-Arrest Tests on Two Irradiated High-Copper Welds, USNRC Report NUREG/CR (ORNL/TM-1 ), December 4. R. K. Nanstad and R. G. Berggren, Martin Marietta Energy Systems, Inc., Oak Ridge Natl. Lab., Oak Ridge, Tenn., Irradiation Effects on Charpy Impact and Tensile Properties of Low Upper. Effects of irradiation on initiation and crack-arrest toughness of two high-copper welds and on stainless steel cladding Conference Nanstad, R K ; Iskander, S K ; Haggag, F M The objective of the study on the high-copper welds is to determine the effect of neutron irradiation on the shift and shape of the ASME K{sub Ic} and K{sub Ia} toughness curves. Crack-arrest specimens are tested by loading the specimen with a wedge-loading technique that uses a displacement gage to measure specimen displacement across the notch. Unlike the fracture toughness specimen described in Section , the crack-arrest specimen does not incorporate a fatigue pre-crack. B. H. Menke's 21 research works with 82 citations and 92 reads, including: Irradiation effects on fracture toughness of two high-copper submerged-arc welds, HSSI series 5. Volume 2, Appendices E and F.

Iskander SK, Baldwin CA. Heatherly DW, McCabe DE. Remec I. Swain RL. Detailed results of testing unirradiated and irradiated crack-arrest toughness specimens from the low upper-shelf energy, high copper weld, WF, NUREG/CR (ORNL/TM) under by: R.L. Swain's 8 research works with 97 citations and reads, including: Effects of irradiation on crack-arrest toughness of a low upper-shelf energy, high-copper weld. The present results suggest that the recovery of neutron-irradiated Linde 80 high copper weld occur by the coalescence of the fine copper-rich precipitates. 2. Recovery occurred by two stages during isochronal annealing (time duration: 4 h) in the temperature range of K. Stage I occurred at K and stage II occurred at by: 1. Whereas toughness tests with notched impact specimens provide a qualitative measure of toughness (see Section ), fatigue-pre-cracked specimens provide quantitative measures for use in predicting critical crack sizes and allowable stresses in the presence of defects of known most common parameter of fracture mechanics is the plane-strain fracture toughness, defined as ‘the crack Author: R.K. Nanstad, W.L. Server, M.A. Sokolov, M. Brumovský.