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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.c9001035
EISBN: 978-1-62708-214-3
... of the accident causation scenarios. However, it did give rise to an additional experiment. It was hypothesized that the material in the core of the axle was strain-rate sensitive. If this was so, and the failure of the core occurred at high strain rates, such as in the accident rollover, the fracture mode...
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Published: 01 June 2019
Fig. 7 Results of the accelerated creep testing. The secondary strain rate is plotted as a function of temperature. More
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Published: 01 June 2019
Fig. 5 Graph of %RA/%RA(oil) vs. Nominal Strain Rate for the Tests Conducted in the Residue Paste. More
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Published: 01 December 2019
Fig. 5 Influence of strain rate on yield stress ( a ) and super-index m ( b ) in superplastic behavior at 800 °C More
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Published: 01 December 2019
Fig. 13 Normal strain rate ultimate tensile strength (UTS) and stress-rupture strengths at various temperatures (as percentage of normal strain rate UTS at room temperature). (Data from Ref 1 and 14) More
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Published: 01 December 2019
Fig. 5 Flow curves of Al-6063 at different temperatures and strain rates used in the simulation More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006919
EISBN: 978-1-62708-395-9
...; A , cross-sectional area Fig. 38 Nonlinear plate behavior for two in-plane edge conditions and simple supports. t , thickness Fig. 3 Stress-strain behavior of polyether-imide as a function of strain rate, ε ̇ , at 22.2 °C (72 °F). (Note: For small strains, extension, e...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... conditions/die configurations Morrow’s stress-life approach Morrow’s strain-life approach Temperature ( T ), °C  300 1490 0.00424 1730 751300 Strain rate: 1 s –1  420 862 0.00273 2318011 307807041 Fillet radius: 2 mm  540 620 0.00179 46042609 5.8e11 Bearing length: 8 mm...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006944
EISBN: 978-1-62708-395-9
.... Fig. 3 Typical tensile stress-strain curves of a plastic material, showing the effect of strain-rate and temperature Fig. 4 Schematic stress-strain curves for a typical thermoplastic polymer tested at four temperatures and constant strain-rate; (1) low temperature and brittle behavior, (2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090457
EISBN: 978-1-62708-222-8
... resulting from a relatively high strain rate event and/or significant stress concentration. A relatively sharp corner formed by a retaining tab on the older design was shown to be a primary cause of the failures. Design Injection moldings Latches Stress concentration Polyacetal Brittle fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001687
EISBN: 978-1-62708-220-4
... properties. Grain boundary sliding and dislocation motion were enhanced, causing a local increase in the steady state strain rate and the premature failure of the tube. Grain boundary sliding Plastic deformation Spalling Voids HK UNS J94224 Creep fracture/stress rupture The petrochemical...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
...Tests conducted at 800 °C using different strain rates Table 1 Tests conducted at 800 °C using different strain rates L 0 (mm) V t (mm/min) σ y (MPa) A (%) ε ̇ s − 1 Log ε ̇ Log (σ y ) Non-superplastic tests 57 5 70.0 >109.2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001560
EISBN: 978-1-62708-217-4
... failure mechanism ( 1 , 2 ). Fig. 1 Overall View of a Failed Breech Chamber. This paper describes the results of constant extension rate tests (CERT) carried out at slow strain rates to determine the susceptibility of 4340 steel to stress corrosion cracking in an environment consisting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001685
EISBN: 978-1-62708-235-8
... Studies were initiated to determine the effects of different levels of absorbed hydrogen and differences in the crosshead velocity (strain rate). Reference test material was prepared by solution heat treating in vacuum for 1h, whereas the low-hydrogen test group was solutionized for 8 h. Half...
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Published: 01 December 2019
Fig. 12 Ultimate tensile strengths (UTS) of various steels at high temperatures (high-strain-rate UTS at temperature as percentage of high-strain-rate UTS at room temperature). (Adapted from Ref 14) More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... that can cause specimen-scale shear banding is the combination of minimum strain hardening and negative strain rate hardening. A second case in which the central fibrous zone is (apparently) absent has been reported in an HY-100 steel. Both cases are discussed in this article. When edge- or center...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... that can cause specimen-scale shear banding is the combination of minimum strain hardening and negative strain-rate hardening. A second case in which the central fibrous zone is (apparently) absent has been reported in an HY-100 steel. Both cases are discussed in this article. When edge- or center...
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Published: 01 December 2019
Fig. 5 Compressive stress–strain response of the subject and exemplar aluminum hosels at room temperature and strain rate of 0.001/s. (We deduced that the aluminum alloy could be A360.0) More
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Published: 01 December 2019
Fig. 6 Variation of maximum von Mises stress ( a ) and maximum principal strain ( b ) until steady state is reached. The corresponding maximum value distributions at critical die location are also shown. The simulation conditions and die configuration are temperature = 420 °C, strain rate = 1 More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006934
EISBN: 978-1-62708-395-9
... behavior is a viscoelastic phenomenon; yielding is temperature and strain-rate dependent, and thus, the yield stress, σ y , can be linked directly to the temperature, T , or the strain rate, ε ̇ ( Eq 19 ). It has been shown that the yield stress, σ y , of amorphous polymers below their T g...