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ventilation

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Published: 01 December 2019
Fig. 1 Side view of high-level waste tank with ventilation system on tank top More
Image
Published: 01 December 2019
Fig. 2 Purge ventilation system of Tank 39, a Type IIIA tank More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001725
EISBN: 978-1-62708-229-7
... Abstract Another failure in a turbogenerator, similar to the accidents in Toronto described in Metal Progress in July 1956, was due to the presence of fatigue cracks at ventilating holes. These acted as stress-raisers during temporary and minor overspeeding, inducing an almost instantaneous...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001724
EISBN: 978-1-62708-234-1
... Abstract Forged austenitic steel rings used on rotor shafts in two 100,000 kW generators burst from overstressing in a region of ventilation holes. A variety of causes contributed to the brittle fractures in the ductile austenitic alloy, including stress concentration by holes, work hardened...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001160
EISBN: 978-1-62708-220-4
... to stress-corrosion cracking and additional corrosion due to ventilation elements. Because austenitic chromium nickel steels are prone to stress-corrosion cracking, particularly in the presence of chlorine compounds at high temperatures, and because austenitic rust- and acid-resistant steels are prone...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001237
EISBN: 978-1-62708-220-4
... stresses. The narrow gap between vessel and mild steel casing may have aggravated the situation in that it hindered ventilation and evaporation of condensation and favored the absorption and concentration of acids and salts. Contact and crevice corrosion due to deposition of rust from the mild steel casing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001170
EISBN: 978-1-62708-225-9
... to a weakening caused by the external reduction of the cross section. The uppermost turn was corroded at the base by pitting favored by differences in ventilation and formation of Evans elements in the narrow gap between thread and counterthread. Metallographic examination showed that the pitting favored...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001211
EISBN: 978-1-62708-235-8
... surface indicates the action of water with a high oxygen content. The oxygen in the return water must have originated from the ventilation of the open expansion vessel. Because of the corrosion-favoring effect of a crevice, water with a high oxygen-content that was perhaps still warm or even hot found...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001374
EISBN: 978-1-62708-215-0
... Fig. 1 Stems and seats removed from two valves Fig. 2 Micrograph showing the surface profile in one of the grooved areas. 62├Ś Abstract Two hot water reheat coil valves from a heating/ventilating/air-conditioning system failed in service. The values, a 353 copper alloy 19 mm...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001832
EISBN: 978-1-62708-241-9
...Summary of Relevant Failures in Tank 39 Purge Ventilation System Table 1 Summary of Relevant Failures in Tank 39 Purge Ventilation System Incident Impact Chromate cooling water system (CCW) failure The condenser uses the chromate cooling water. Salts may escape when the condenser...
Image
Published: 01 June 2019
Fig. 4 Broken End Bell of Toronto No. 1 Generator As It Was Recovered After the Accident. Below is fracture appearance; section is 3 in. thick by 21.25 in. long; ventilating holes are 1 in. diameter More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001639
EISBN: 978-1-62708-229-7
... 1956 Entered service: 1960 Capacity: 1,030,000 gal Material: ASTM A285, grade B carbon steel (not stress relieved) Construction code: ASME-52 Five foot steel secondary containment pan material: A285, grade B carbon steel Annulus ventilation: Normally positive pressure (changed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001729
EISBN: 978-1-62708-217-4
... this investigation, we found aluminum particles embedded in the forward wooden framing of the lefthand lavatory compartment. Other fragments were also found in bodies of passengers, all forward of the lavatory. Tiny fragments of stainless steel (from the toilet bowl) were also embedded in aluminum ventilation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091362
EISBN: 978-1-62708-220-4
... cloth should be performed immediately before welding. The filler wire should be wiped with a clean cloth just prior to welding. Also, a word of caution: solvents are generally flammable and can be toxic. Ventilation should be adequate. Cleaning should continue until cloths are free of any residues...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001576
EISBN: 978-1-62708-219-8
.... Air compressors Burrs Fan blades Stress concentration Cold-rolled steel Fatigue fracture Overview of Blade Failure Some one thousand fans were used on large axial compressors for shop ventilation for about one year. Out of them two fans developed cracks on the blades. The rotor of the fan...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
... conductivity of melt Drying temperature Injection rate Processing temperatures Hold pressure time Hot runner temperatures Maximum screw tangential speed Is this a medical device, consumable/packaging, automotive, used for water management, heat and ventilating, electronics, etc...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
... also be used to better estimate the temperature of lighter-colored samples (e.g., for polyvinyl chloride window profiles; EN 513, Ref 26 ). Xenon arc devices have sample chamber ventilation and, in some cases, heating systems. By controlling the heater output, fresh air intake, and fan speed...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... than contiguous plastic surfaces and should be avoided, if possible, for high-impact products. This is why football helmets do not have ventilation holes, and auto bumpers are usually designed as contiguous uninterrupted surfaces. The gate was placed at the bezel center in Fig. 12 to position knit...
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
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