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Boiling water reactors

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001536
EISBN: 978-1-62708-229-7
.... Analyses of four failed components from nuclear plants are then described to illustrate the kinds of failures seen in service. The failures discussed are (1) intergranular stress-corrosion cracking of core spray injection piping in a boiling water reactor, (2) failure of canopy seal welds in adapter tube...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091659
EISBN: 978-1-62708-229-7
... Abstract Jet pumps, which have no moving parts, provide a continuous circulation path for a major portion of the core coolant flow in a boiling water reactor. Part of the pump is held in place by a beam-and-bolt assembly, wherein the beam is preloaded by the bolt. The Alloy X-750 beams had been...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001559
EISBN: 978-1-62708-229-7
... Abstract One inch diam Type 304 stainless steel piping was designed to carry containment atmosphere samples to an analyzer to monitor hydrogen and oxygen levels during operational and the design basis accident conditions that are postulated to occur in a boiling water reactor. Only one of six...
Image
Published: 15 January 2021
Fig. 45 Schematic of boiling water nuclear reactor. Red arrows identify the jet pumps located between the reactor vessel and the reactor core. Source: Ref 28 More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... rivet holes and other areas of high stress when boiler water contained caustic soda (NaOH) or the boiler water chemistry was conducive to the formation of caustic soda ( Ref 4 ). In their 1926 paper, “The Cause and Prevention of Embrittlement of Boiler Plate,” researchers at the University of Illinois...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001349
EISBN: 978-1-62708-215-0
... Abstract The dished ends of a heavy water/helium storage tank manufactured from 8 mm (0.3 in.) thick type 304 stainless plate leaked during hydrotesting. Repeated attempts at repair welding did not alleviate the problem. Examination of samples from one dished end revealed that the cracking...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... is an additional example. Example 1: SCC of a Type 304 Stainless Steel Pipe Caused by Residual Welding Stresses A 150 mm (6 in.) schedule 80S type 304 stainless steel pipe (11 mm, or 0.432 in., wall thickness), which had served as an equalizer line in the primary loop of a pressurized-water reactor...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
.... Each type has characteristic features. Ruptures Caused by Overheating When water is boiled in a tube having uniform heat flux (rate of heat transfer) along its length under conditions that produce a state of dynamic equilibrium, various points along the tube will be in contact with subcooled...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001146
EISBN: 978-1-62708-229-7
... Company informed the United States Nuclear Regulatory Commission (U.S. NRC) Region II that a crack had been discovered in the vent header of the Edwin I. Hatch Nuclear Plant Unit 2. This notification prompted the U.S. NRC to issue IE Bulletin No. 84-01, “Cracks in Boiling Water Reactor Mark I Containment...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... by a black rectangle were tested in low-velocity or poorly aerated water and at shielded areas may become active and exhibit a potential near −0.5 V. SCE, saturated calomel electrode. Adapted from Ref 2 Although the measurement of potentials has limitations as previously noted, galvanic series based...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... in low-velocity or poorly aerated water and at shielded areas may become active and exhibit a potential near −0.5 V. Adapted from Ref 2 Although the measurement of potentials has limitations as previously noted, galvanic series based on seawater or other standard electrolytes are worthwhile...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
..., the net effect is an increase in tube metal temperature. In a superheater or a reheater, such temperature rise can lead to premature creep failure. In furnace walls, deposits may also lead to hydrogen damage. Role of Heat Flux in Overheating When water is boiled in a tube having uniform heat flux...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... part failure Causes Type of failure Numbers Low water cut-off Faulty design fabrication or installation Corrosion or erosion Operator error or poor maintenance Burner failure Pressure control failure Other Burned or overheated Collapsed inward Combination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... to comply with section XI of the ASME code regarding In Service Inspection. When vibrations on a steam turbine driven pressure core pump on a boiling water nuclear reactor were measured prior to the time of this case history, the code stated that base line readings were to be taken in mils displacement...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... in the design of any pressure vessel is to select the proper design code based on its intended use. For example, a pressure vessel may be a power or heating boiler, a nuclear reactor chamber, a chemical process chamber, a hydrostatic test chamber used to test underwater equipment, or an aircraft fuselage...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1