Wide-plate crack-arrest tests utilizing prototypical and degraded (simulated) pressure vessel steels

Sixteen wide-plate crack-arrest tests have been completed, ten utilizing specimens fabricated from A533B class 1 material and six fabricated from a low-upper-shelf base material. Each test utilized a single-edge notched specimen that was subjected to a linear thermal gradient along the plane of crac...

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Bibliographic Details
Published in:Nuclear engineering and design 1992-06, Vol.135 (2), p.197-205
Main Authors: Naus, D.J., Keeney-Walker, J., Bass, R.B., Fields, R.J., deWit, R., Low, S.R.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Installations for energy generation and conversion: thermal and electrical energy
Metals. Metallurgy
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Summary:Sixteen wide-plate crack-arrest tests have been completed, ten utilizing specimens fabricated from A533B class 1 material and six fabricated from a low-upper-shelf base material. Each test utilized a single-edge notched specimen that was subjected to a linear thermal gradient along the plane of crack propagation. Test results exhibit an increase in crack-arrest toughness ( K 1a) with temperature, with the rate of increase becoming greater as the temperature increases. When the wide-plate test results are compared with other large-specimen results, the data show a consistent trend in which the K 1a data extend above the limit provided in ASME Section XI.
ISSN:0029-5493
1872-759X
DOI:10.1016/0029-5493(92)90222-H