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ambient temperature

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0001667
EISBN: 978-1-62708-225-9
... shutdown periods at ambient temperatures. The corrosive environment contained trace hydrogen chloride and acetic acid vapors as well as calcium chloride if leaks occurred. The exact service life was unknown. The bolt surfaces showed extensive corrosion deposits. Cracks had initiated at both the thread...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001004
EISBN: 978-1-62708-229-7
... of grain boundary phosphorus segregation exhibited a good relationship with ambient temperature Charpy data. The electrochemical polarization kinetic reactivation, EPR, approach, however, proved disappointing in that the overlapping scatter in the minimum current density, Ir, for an embrittled and a non...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0091394
EISBN: 978-1-62708-227-3
... seawater at ambient temperatures. Pipe was in service for four weeks when three leaks appeared. Figure 1 shows a pit near the end of a ballpoint pen lying in the trough of a sectioned open AISI 316L pipe. A close-up of the same pit is shown Fig. 2 . The stagnant (quiet, zero flow rate) seawater...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048757
EISBN: 978-1-62708-234-1
... and increased grain size. Hydrogen and oxygen absorption was revealed by the presence of hydrides and the shallow surface embrittlement and thus susceptibility to cracking at ambient temperatures was observed. It was concluded that the titanium tubes were embrittled due to overheating the tubes and the severe...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001036
EISBN: 978-1-62708-214-3
... of the collision. Techniques for such an examination are well developed and documented ( Ref 1 ). Tungsten exhibits a ductile-brittle transition, and a filament generally behaves in a ductile manner when it is incandescent and in a brittle manner when it is at ambient temperature. In a collision...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001449
EISBN: 978-1-62708-221-1
... was not shown, the material would tend to fall in a brittle manner at ambient temperatures. Fig. 2 Transition curve of plate material. Partial chemical analysis showed a carbon content of 0.22% and a manganese content of 0.65%, the alloy constituents being insignificant. Microscopical examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0091475
EISBN: 978-1-62708-225-9
... Abstract A type 431 stainless steel mushroom-head closure fractured in service at a hydrogen pressure of 3000 atm. Fracture occurred at room temperature after miscellaneous chemical service that included exposures to hydrogen at temperatures from ambient to 350 deg C (662 deg F). Investigation...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006809
EISBN: 978-1-62708-329-4
... allowable temperature. Low metal temperatures may be the result of the ambient environment or may be driven by process conditions (including typical operating conditions, abnormal/upset operating conditions, and startup/shutdown procedures). Potential for autorefrigeration from depressurization of liquefied...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091201
EISBN: 978-1-62708-219-8
... to impress a voltage. Voltage and current were recorded with the external power supply applied and removed. There was no evidence of stray currents or electrical discharge. It was noted that the ambient temperature and slow or stagnant flow conditions present in the piping were ideal for bacteria growth...
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
...) was machined from the long legs of the as-fractured and unfractured bolts. The two specimens were tested at ambient temperature using a crosshead speed of 1.3 mm/min (0.05 in./min). For the unfractured bolt, the 0.2% offset yield strength was found to be 467 MPa (67.8 ksi). The ultimate tensile strength...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001525
EISBN: 978-1-62708-220-4
... then evaluated for polarization resistance and corrosion rate when immersed in the mildly alkaline product that is stored in the tanks. The tanks were all studied at ambient temperature. Electrochemical Impedance Electrochemical corrosion test cells were assembled to expose the surface of each panel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0009190
EISBN: 978-1-62708-225-9
... contact. This gearbox was reassembled and run under one-half load until its oil sump temperature reached equilibrium at 95 °C (200 °F). For this application, the ambient temperature was in the range of 10 to 50 °C (50 to 125 °F). The center distance of the gears was 405 mm (16 in.) and the pitch line...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001901
EISBN: 978-1-62708-218-1
.... By means of a TA Instruments Model Q500 TGA, each sample was ramped 10C°/min from ambient temperature to 600°C. An atmosphere of ultrapure nitrogen was passed over the sample at 50 ml/min, and bubbled through 1 ml aliquots of Schiff's reagent, which served as a colorimetric sensor to detect the presence...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... Most common in Comments Hydrogen embrittlement High-strength steels and heavily cold-worked low-carbon steels, ambient temperatures Needs sustained stress. Not relevant for impact-induced cracking Hydrogen-induced blistering Low-strength steels at ambient temperatures Hydrogen forms gas...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... temperatures Needs sustained stress. Not relevant for impact-induced cracking Hydrogen-induced blistering Low-strength steels at ambient temperatures Hydrogen forms gas-filled blisters Cracking from precipitation of internal gaseous hydrogen Heavy steel sections Induced by high-temperature exposure...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001319
EISBN: 978-1-62708-215-0
... fabrication and subsequent handling. Pickling and passivation of the stainless steel components prior to final dispatch or storage were also required. Otherwise, unexpected SCC failures of stainless steel components in the unsensitized condition may be encountered even in ambient-temperature atmospheres...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0048795
EISBN: 978-1-62708-220-4
... (6.95 ksi) at an ambient temperature of not less than 7 °C (45 °F). At 34 MPa (5.0 ksi), the customary halt was made, and about 30 s later, the flange end of the vessel exploded without warning. The flange forging was found to be cracked completely through in two locations, and the first two...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048733
EISBN: 978-1-62708-235-8
... be conducted at ambient temperature and 1035 kPa (150 psi) (design pressure) at approximately 6-month intervals. Acknowledgment R.J. Franco wishes to acknowledge G.M. Buchheim, Exxon Research & Engineering Company, for his assistance in preparing several of the examples in the source article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
... pouring was completed. The cullet was allowed to melt, and then the melter was cooled to ambient temperature, freezing a glass puck in the bottom of the melter. The oxalate slurry was then charged on top of the glass puck and melt processing was re-initiated. During the subsequent melter cycle, glass...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001440
EISBN: 978-1-62708-235-8
... in the cold-worked condition; secondly, stresses of a thermal origin may well have been present due to the fire; and thirdly, there would be the stresses caused by the pressure within the vessel. As regards the latter, it is known that the ambient temperature just before the fire was 10°C (50°F). Assuming...