Trends in Reactor Pressure Vessel and Circuit DevelopmentR. W. Nichols |
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Page 207
... ring header and riser pipe has been designed and fabricated as shown in Fig . 7. This design has the following difficulties : ( i ) because of the saddle - shaped weld design between ring header and contour nozzle , machining for weld ...
... ring header and riser pipe has been designed and fabricated as shown in Fig . 7. This design has the following difficulties : ( i ) because of the saddle - shaped weld design between ring header and contour nozzle , machining for weld ...
Page 236
... Ring forging -40 -60 Δ -80 -100 FIG . 3 . Plate ΙΔΟ T : 300mm plate ( Extracted from ORNL - DWG 68 -3470 ) T : 560mm ring forging ( 20MnMONI55 ) NDT ( P - 1 ) : Transverse ONDT ( P - 2 ) : Longitudinal ANDT ( P - 3 ) : Longitudinal o ...
... Ring forging -40 -60 Δ -80 -100 FIG . 3 . Plate ΙΔΟ T : 300mm plate ( Extracted from ORNL - DWG 68 -3470 ) T : 560mm ring forging ( 20MnMONI55 ) NDT ( P - 1 ) : Transverse ONDT ( P - 2 ) : Longitudinal ANDT ( P - 3 ) : Longitudinal o ...
Page 352
... ring impede displacement ( its effect is proportional to the displacement of the ring and the servo - mechanism is self - actuated ) , so that this effect is practically cancelled out which significantly influences welding speed and ...
... ring impede displacement ( its effect is proportional to the displacement of the ring and the servo - mechanism is self - actuated ) , so that this effect is practically cancelled out which significantly influences welding speed and ...
Contents
Current Technical Technical Aspects Concerning PWR Vessel | 7 |
Some Remarks Related to the Requirements for Development | 15 |
Utilisation of Indian Point Unit 1 for Research to Support | 27 |
Copyright | |
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alloy analysis ASME Code austenite bainite brittle capsules carbide casting CEGB cladding components cooling corrosion crack arrest temperature crack growth rates defect ductile effects examination fabrication factor failure fatigue crack growth ferritic flange flaws forging fracture mechanics fracture toughness grain boundary grain boundary segregation heat treatment heat-affected zone hydrogen ingot inservice inspection integral irradiation Japan light water reactor load manufacturing material mechanical properties metallurgical method microstructure mock-up neutron nondestructive nondestructive testing notch nozzle nuclear power operation parameters pipe plant plate pressure boundary pressure vessel steels Pressurised problems procedures programme quenching reactor pressure vessel reactor vessel recrystallised reduce reliability requirements safety Section shell shown in Fig Škoda specimens steam steelmaking stress corrosion cracking stress intensity stress relief cracks structure surface surveillance temper embrittlement tensile thickness transients transition temperature tube ultrasonic variation weld seams yield strength