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IGSCC DISPOSITION C...
IGSCC DISPOSITION CURVES FOR ALLOY 82 IN BWR NORMAL WATER CHEMISTRY
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- Efsing, Pål, 1965- (författare)
- KTH,Hållfasthetslära (Inst.)
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- Forssgren, Björn (författare)
- Ringhals AB
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- Bengtsson, Bengt (författare)
- OKG AB
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visa fler...
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- Jonsson, Alf (författare)
- Forsmarks KraftGrupp AB
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- Jenssen, Anders (författare)
- Studsvik Nuclear AB
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- Sundberg, Johan (författare)
- Studsvik Nuclear AB
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- Jansson, Christer (författare)
- Vattenfall Utveckling
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visa färre...
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KTH Hållfasthetslära (Inst) (creator_code:org_t)
- 2007
- 2007
- Engelska.
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Ingår i: 13th International Conference on Environmental Degradation of Materials in Nuclear Power Systems. - 9781605600598 - 9781605600598 ; , s. 1353-1363
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- In many nuclear power plants, areas of susceptible material in the reactor systems are replaced or mitigated. Many of the areas where the nickel-based weld metal Alloy 182 have been used, are not replaceable but need to be mitigated. One possibility to mitigate is to make known susceptible material non-accessible for the reactor coolant water by covering it with less susceptible materials. One such possibility that has been utilized frequently in the Swedish Boiling Water Reactor (BWR) fleet is in-lay welding of butt welds in the main circulation and feed water loops with the less susceptible Alloy 82, which has fewer reported failure cases under these conditions. The study focuses on the development of a Factor of Improvement between Alloy 182 and the replacement, Alloy 82 material. As part of this, a disposition curve under conditions relevant for Normal Water Chemistry, NWC, in the Swedish BWRs is presented.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Crack growth
- BWR
- disposition curve
- water chemistry
- structural integrity
- Nickel based alloys
- Alloy 82
- Factor of improvement
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