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low-temperature testing

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001752
EISBN: 978-1-62708-241-9
... Discussion Forging Studies Ultra-low sulfur (<0.002% S) AMS 6414 steel samples from three different steel manufacturers were tested to determine the incipient melting temperature in a hot tensile extremely low stress device (Gleeble) using a variety of step-up preheat conditions. Regardless...
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
... base material. c. Photomicrograph of the weld metal having a typical dendritic structure. d. The HAZ for the weld composed of fine pearlite, typical of low temperature transformation. Chemical Analysis/Tensile Testing/ Hardness Testing A chemical analysis was performed on the base metal from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c0089716
EISBN: 978-1-62708-231-0
... as a result of service stresses acting on the plate having low toughness at the low service temperatures encountered. Recommendations included that the specifications for the steel plates be modified to include a toughness requirement and that improved welding and inspection practices be performed to reduce...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001114
EISBN: 978-1-62708-214-3
... The average Charpy impact energy was quite low at room temperature (11J or 7.8 ft. lbf). There is no specified Charpy impact strength requirement for API type 2 material. Discussion The fracture surface features revealed by SEM were typical of brittle fracture. Brittle fracture is a type of failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
..., approximately 20 for a low-alloy steel. Other parametric methods are discussed in the article “Elevated-Temperature Life Assessment for Turbine Components, Piping, and Tubing” in this Volume and in the article “Assessment and Use of Creep-Rupture Properties” in Mechanical Testing and Evaluation, Volume 8...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001149
EISBN: 978-1-62708-232-7
.... Low cycle fatigue tests were performed on this material in air at 1000°F using hourglass-shaped specimens. The axial strain was controlled in the tests to give strain ranges of 1.5%, 2.0%, 4.0% and 5.0%, respectively, based on diametrical strain measurements. In addition, six hold-period tests were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001003
EISBN: 978-1-62708-227-3
... of the energetics of the methanation, so that at a sufficiently low temperature this reaction will not take place to any important extent. Fig. 3 Section of attacked cast steel flange showing voids surrounded by ferrite. 500× The postulated mechanisms for the corrosion and embrittlement of the present...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... for Co-Cr-Ni-base alloy S-590 tested at two temperatures at different stresses. Source: Ref 18 Typical elevated-temperature ductility of a 1.25Cr-0.5Mo low-alloy steel and type 316 stainless steel Table 4 Typical elevated-temperature ductility of a 1.25Cr-0.5Mo low-alloy steel and type 316...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001558
EISBN: 978-1-62708-217-4
.... At this point, it is necessary to examine the processing, proof testing and operating history of the valve to correlate the stresses and environments with the fractographic observations. Material and Processing The valve body was produced from Ti-5Al-2.5Sn ELI (extra low interstitial) and had 0.095...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001534
EISBN: 978-1-62708-220-4
... was in the range of 210 to 230 HV. 3.6 Impact Testing To evaluate the low-temperature impact properties of the weld with respect to the base metal, subsize Charpy V-notch impact specimens (55 by 10 by 5 mm) were taken from the failed component. Dimensional details and the orientation (for specimens taken...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001512
EISBN: 978-1-62708-228-0
... Storage tanks Weld defects Carbon steel plate Brittle fracture In the mid 70's a new British standard (BS 4741) was approved. BS 4741 was a specification for the design of single wall LPG storage tanks. It was based on the results of a series of low temperature tensile tests of welded plates...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001581
EISBN: 978-1-62708-235-8
... annealing in service. The 650 °C (1200 °F) annealing temperature inhibited grain growth and produced a very fine grain size. This significantly reduced the creep strength. The low carbon content also contributed. More than a 1000-fold improvement can be achieved by using solution annealed, large grain alloy...
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
... mitigation storage tanks METAL TEMPERATURE highly influences the fracture toughness of carbon and low-alloy steel materials. At low temperatures, the material tends to behave in a brittle manner, making it much more susceptible to sudden fracture without warning. At high temperatures, the material...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
..., and nonuniform elongation; strain-induced softening; and other metallurgical changes. It should be noted that the time spent at each of these three regimes will vary depending on the material and the operating/testing conditions. For example, primary creep may dominate at low temperatures and stresses...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001301
EISBN: 978-1-62708-215-0
... decreased with temperature, this failure probably occurred on the first day that ambient temperature was low enough to cause fracture when the load was applied. The temperatures on the day of failure were approximately 1 to 5 °C (35 to 40 °F). Based on test results, the impact energy required to cause...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003546
EISBN: 978-1-62708-180-1
.... Solomon H.D. , Halford G.R. , Kaisand L.R. , and Leis B.N. , Ed., Low Cycle Fatigue , STP 942, American Society for Testing and Materials , 1988 2. Antolovich S.D. , Liu S. , and Baur R. , Low Cycle Fatigue Behavior of René 80 at Elevated Temperatures...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
... impact test results for 50 mm (2 in.) thick A527 grade H heat 97L 151-04W1. This heat is from a second steel producer with a different melting practice. All of the samples (eight plates, five heats) had low toughness compared with A527 grade F ( Fig. 4 and 12 ). Fracture Toughness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001196
EISBN: 978-1-62708-224-2
... the surface of the arm a large number of surface cracks became visible. These cracks penetrated the material to a maximum depth of about 3 mm, and appeared to have originated during the forging of the fork. Paint which had penetrated into the cracks confirmed this conclusion. Forging at too low a temperature...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090448
EISBN: 978-1-62708-222-8
.... The initial heating run results also showed a low-temperature exothermic transition associated with the crystallization of the PET resin. These results indicated that the material had not been fully crystallized during the molding process. The results generated during the second heating run, after slow...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... are often conducted on time-dependent failure mechanisms. The principal types of elevated-temperature failures are stress rupture, creep, low- or high-cycle fatigue, thermal fatigue, and coating degradation in gas turbines. For high-temperature tubing and piping components, embrittlement phenomena can occur...