Crack-arrest tests on two irradiated high-copper welds

phase II : results of duplex-type experiments
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Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission , Washington, DC
Irradiation -- Testing., Nuclear pressure vessels -- Welding -- Effect of radiation on -- Testing., Welded joints -- Cracking -- Tes
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 LibraryOL18066213M

Get this from a library. Crack-arrest tests on two irradiated high-copper welds: phase II: results of duplex-type experiments. [S K Iskander; W R Corwin; R K Nanstad; U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of. Get this from a library. Results of crack-arrest tests on two irradiated high-copper welds.

[S K Iskander; W R Corwin; R K Nanstad; U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering.; Oak Ridge National Laboratory.].

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. Nanstad and R.

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.

Download Crack-arrest tests on two irradiated high-copper welds FB2

Unlike the fracture toughness specimen described in Sectionthe crack-arrest specimen does not incorporate a fatigue pre-crack. 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. 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.

Description Crack-arrest tests on two irradiated high-copper welds EPUB

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. Comparisons of irradiation-induced shifts in fracture toughness, crack arrest toughness, and Charpy impact energy in high-copper welds Article Radiation-induced temperature shift of thhe ASME K. Crack-arrest specimens fabricated from these welds were irradiated at a nominal temperature of °C to an average fluence of à [Show full abstract] 10¹⠹ neutrons/cm² (>1 MeV).

Oak Ridge, Tenn., Crack-Arrest Tests on Two Irradiated High-Copper Welds, Phase Results of Duplex- Type Experiments, USNRC Report NUREG/CR (ORNL/TM-I), March : S. Iskander, R. Stoller. PDF | Weld metal, designated WF, taken from the nozzle course and beltline welds of the Midland Reactor, Unit 1, has been given a preliminary | Find, read and cite all the research you need.

The HSSI Program is arranged into 14 tasks: (1) program management, (2) fracture toughness (K{sub lc}) curve shift in high-copper welds, (3) crack-arrest toughness (K{sub la}) curve shift in high-copper welds, (4) irradiation effects on cladding, (5) K{sub lc} and K{sub la} curve shifts in low upper-shelf (LUS) welds, (6) annealing effects in Author: W.R.

Corwin. The crack-arrest fracture toughness (K a) of unirradiated and irradiated specimens machined from a low upper-shelf, high-copper weld was determined.

The specimens were machined from the beltline weld of the Midland Unit 1 nuclear reactor pressure vessel (RPV).

This weld was fabricated from one heat of weld wire and one lot of welding flux and bears the designation WFCited by: 2. From Charpy to Present Impact Testing contains 52 peer-reviewed papers selected from those presented at the Charpy Centenary Conference held in Poitiers, France, October The name of Charpy remains associated with impact testing on notched specimens.

At a time when many steam engines exploded, engineers were preoccupied with studying the resistance of steels to impact. Crack-Arrest Tests on Two Irradiated High-Copper Welds, Phase II: Results of Duplex-Type Experiments,” Oak Ridge National Laboratory, Oak Ridge, TN, NUREG/CR (ORNL/TM).

Cited by: 4. respectively. Because the experiment involved detailed evaluations of both unirradiated and irradiated (1 x n/cm2) conditions, the two weld metals were evaluated separately. Fracture mechanics data were obtained for both the unirradiated and irradiated conditions; two.

2 A buttering layer of weld material (Figure 2), deposited by a low energy process such as shielded metal arc weld-ing, may effectively reduce the amount of pick-up of contaminant into the weld admixture. In the case of sulfur, it is possible to overcome the harm-ful effects of iron sulfides by preferentially forming man-ganese sulfide.

The CDDP was set at ws energy to weld the" copper tab to itself, and at ws energy to weld" copper tab to" copper tab. These settings deliver strong welds. Copperweld may have written the book on copper-welded steel, but that doesn't mean that we've closed the book on improvement.

The same culture of excellence and innovation that originally inspired our first products over years ago still drives us today. Tenn., Detailed Results of Testing &irradiated and Irradiated Crack-Arrest Toughness Specimens from the Low Upper-Shelf Energy, High Copper Weld, WF, USNRC Report NUREG/CR (ORNUTM), to be published.

NUREGKRAuthor: M.K. Miller. Irradiation effects on fracture toughness of two high-copper submerged-arc welds, HSSI series 5. [R K Nanstad; U.S.

Details Crack-arrest tests on two irradiated high-copper welds PDF

Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. During this period, the duplex-type crack-arrest specimen tests from Phase II of the Kia program were evaluated and a report on their test results prepared for publication.

A new, remote crack-arrest fixture for testing the large, irradiated specimens from the Italian Committee for. Liquid penetrant inspection is often referred to as an extension of the visual inspection method.

Many standards, such as the AWS D Code, say that "welds subject to liquid penetrant testing shall be evaluated on the basis of the requirements for visual inspection." Two types of penetrating liquids are used - fluorescent and visible dye. Weld-On® Solvent Welding Guide: English (Mb) Weld-On® Solvent Welding Guide: Spanish (1Mb) Weld-On® Solvent Welding Guide (cartoon version) (Mb) Best Practices for Solvent Welding Thermoplastic Piping (k) Cold Weather Solvent Welding Tips (k) Hot Weather Solvent Welding Tips (k) Weld-On® Solvent Cement Set and Cure Time Table.Probabilistic analysis of weld cracks in center-cracked tension specimens Mark Francisa, Sharif Rahmanb,* aHibbitt, Karlsson and Sorensen, Inc., Plymouth, MIUSA bDepartment of Mechanical Engineering, The University of Iowa, Iowa City, IAUSA Received 1 September ; accepted 3 June Abstract.The cladding is prepared for welding, cutting into the steel weld and allowing for at least two runs; the first being of the 65% nickel -copper alloy referred to earlier followed by the Cu-Ni.

When access is only possible from the steel side, the joint is prepared to leave the copper- nickel cladding protruding, so that it can be welded.