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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001100
EISBN: 978-1-62708-214-3
... A 36 and that the bolts he hot-dip galvanized per ASTM A 123 or A 153. Both galvanizing specifications make reference to ASTM A 143 for precautions to avoid strain-age embrittlement. Specimen Selection Three fractured bolts were examined. One bolt was in the as-fractured condition. The second...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001173
EISBN: 978-1-62708-218-1
... of two to three times the case depth, (iii) secondary cracks were observed at the surface. The hydrogen was introduced during copper plate removal by acid dipping. If the tempering operation was performed after the acid dip operation, the hydrogen would have been driven out. Ball joints Forgings...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001215
EISBN: 978-1-62708-235-8
...% was established analytically. Silicon accelerates the reaction between iron and zinc, which should have been taken into account in the present case by reducing the dip time or a small addition of aluminum (0.1 to 0.2%) to the galvanizing bath to retard the extremely rapid growth of the zinc layer and the strong...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001492
EISBN: 978-1-62708-235-8
... plating steps. It was recommended that tin plating should follow the copper underplating within 24 h and a cleaning step of bright dipping after copper plating be performed. Copper plating Electroless nickel plating Electronic devices Tin plating C17500 UNS C17500 Electroless nickel Surface...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001814
EISBN: 978-1-62708-241-9
... shell of the gasifier had bulged and ruptured. This rupture allowed hot syngas to escape, causing the fire. After the incident, a section of the vessel wall spanning the area where the shell failure occurred was cut out to allow internal inspection. A large irregular hole was found in the dip tube...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001599
EISBN: 978-1-62708-236-5
.... The melter temperature was controlled by power input, and melt pool temperatures were periodically measured using a Type B, 304L stainless steel sheathed dip thermocouple. A melt pool temperature in excess of 1500 °C was measured prior to the thermocouple failure. Upon disassembly of the melter, severe...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048607
EISBN: 978-1-62708-225-9
... a hardness of 41 to 42 HRC and a bolt having a hardness of 18 to 20 HRC were left uncoated for the test. All four bolts were assembled in a static test fixture and tightened to a torque value equal to 90% of their yield strength and then intermittently dipped in an acidified solution of 3.5% NaCl...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... to 42 HRC and a bolt having a hardness of 18 to 20 HRC were left uncoated for the test. All four bolts were assembled in a static test fixture and tightened to a torque value equal to 90% of their yield strength and then intermittently dipped in an acidified solution of 3.5% NaCl. Intermittent dipping...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001397
EISBN: 978-1-62708-235-8
... discovering any features which may have led to the stress-corrosion cracking. Further, the tin coating had been applied by dipping and not by an electrolytic process which may cause embrittlement in some materials. The fact that there was no general cracking tended to confirm the view that re-tinning...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0046911
EISBN: 978-1-62708-227-3
... corrosion along elongated ferrite bands, possibly because silicon was dissolved in the ferrite and thus made it more susceptible to attack by the molten zinc. Recommendations included rewelding the vat using the manual shielded metal arc process with at least four passes on each side. Hot dip...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... changed during the height of the problem in an attempt to eliminate the tube embrittlement, including the alkaline dip, pickling operation, furnace atmosphere, drawing lubricant, and temperature control during hot drawing and annealing. Furthermore, tube embrittlement was not always observed, but when...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048791
EISBN: 978-1-62708-234-1
... that had originally been extruded as a 65-cm (26-in.) diam, 75-mm (3-in.) thick pipe section. The material had been bright dipped, sand blasted, dye penetrant inspected, and passivated by the manufacturer. A spare cross from a sister power station was examined and found to have similar indications. Both...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... angles and cores) Metal penetration D 224 Fragment of mold material embedded in casting surface Dip coat spall, scab D 230: Plate-like metallic projections with rough surfaces, usually parallel to casting surface D 231 (a) Plate-like metallic projections with rough surfaces...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001338
EISBN: 978-1-62708-215-0
... not leak had a rusty interior similar to the first tube. At higher magnification, all interior deposits exhibited small, bright crystalline facets. Sections from all the tubes were dipped in 10% H 2 SO 4 solution to remove the interior deposits, after which they were examined at 20×. The short tube...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001656
EISBN: 978-1-62708-219-8
... when the bar was removed from the concrete shortly after the conclusion of testing. This phenomenon is in contrast to the behaviour of zinc-dipped bars, which exhibited only a mild development of zinc salts on the whole bar surface, while no corrosion of the steel on the fracture surface was observed. ...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001677
EISBN: 978-1-62708-222-8
... was that of ASTM G1 cleaning technique for stainless steels which suggested alternate dipping for 30 min periods in a nitric acid solution followed by an ammonium citrate solution. After three cycles of this technique, modified in terms of using ultrasonic cleaning in the last portion of the cycle...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
... bars that had spent 9 months in service were dipped and rinsed in distilled water containing 1% HNO 3 in order to extract water-soluble salts from the corrosion products. Chemical analysis of the solution, using atomic absorption spectroscopy and ion-exchange chromatography, yielded Na K + , Ca 2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001145
EISBN: 978-1-62708-217-4
... of residues virtually impossible. The external surfaces of the chamber are plated with electrolyses nickel. Since the process involves dipping the chamber into the plating bath, the surfaces between the heat shields and the dome in the area around the exhaust port are also plated. Fig. 1 Cartridge...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001840
EISBN: 978-1-62708-241-9
... for ductility dip cracking . Mater. Sci. Eng. A 380 , 245 – 258 ( 2004 ) 5. Zhang D. , Harris S.J. , McCartney D.G. : Microstructure formation and corrosion behaviour in HVOF-sprayed Inconel 625 coatings . Mater. Sci. Eng. A 344 , 45 – 56 ( 2003 ) 10.1016/S0921-5093(02)00420-3...