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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
..., 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 might be one of brittle (cleavage...
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
...-life models for flat extrusion die and account for bearing length, fillet radius, temperature, and strain rate. They were shown to provide useful information for the analysis and prevention of die failures. extrusion die fatigue failure die design tool steel cracking fractography strain...
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
... embrittlement 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...
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
... boundaries 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...
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
...Abstract Abstract This paper describes the superplastic characteristics of shipbuilding steel deformed at 800 °C and a strain rate less than 0.001/s. After the superplastic deformation, the steel presents mixed fractures: by decohesion of the hard (pearlite and carbides) and ductile (ferrite...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001588
EISBN: 978-1-62708-221-1
...Abstract Abstract On 23 Dec 1997, a portion of the main ore conveyor at a large mine collapsed onto a highway and shut down mine operations. The conveyor structure that collapsed was supported by a steel truss spanning 185 ft. Truss failure occurred just as the conveyor transport rate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001451
EISBN: 978-1-62708-224-2
... of the hook. The rated capacity of the crane was 15 tons. At the time of the mishap it was being used to lift one end of a hydraulic cylinder with a total weight of about 27 tons. Fracture was of the cleavage type throughout. There was no evidence of any prior deformation of the material in the vicinity, nor...
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
... Cracking, Fracture Mechanics, and Failure Analysis , Salt Lake City, UT , ( 1985 ). 3. Nutter W.T. , Agrawal A.K. , Staehle R.W. , “Design and Construction of an Inexpensive Multispecimen Slow Strain Rate Machine” , ASTM STP 665, Ugiansky G.M. , Payer J.H. , Editors, pp...
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
... ways. First, specimens with higher levels of hydrogen averaged lower ductile values than specimens with lower hydrogen content. The role of hydrogen becomes more complicated in the presence of inclusion clusters and slower strain rate conditions. The preponderance of erratic ductile behavior observed...
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
... set of circumstances 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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001561
EISBN: 978-1-62708-229-7
... cracking is decreased. Laboratory cracking of sensitized stainless steel has also been observed ( 16 ) in slow strain rate testing; with O 2 concentrations of 2 ppm at temperatures as low as 50°C. In addition to O 2 and Cl − , S also seems to play a role in SCC of Type 304 stainless steel. Recent...
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
... – 1369 ( 2006 ) 10.1016/S1003-6326(07)60021-1 13. Gong X. , Fan J.L. , Huang B.Y. , Tian J.M. : Microstructure characteristics and a deformation mechanism of fine grained tungsten heavy alloy under high strain rate compression . Mater. Sci. Eng. A 527 , 7565 – 7570...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001821
EISBN: 978-1-62708-241-9
... (250 psi) should be approximately 145 MPa (21 ksi). Unfortunately, very little mechanical property data are available for steels between 550 and 750 °C, because this is above the normal application range and below the normal metalworking range. Oren reported the high-strain-rate tensile strengths...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... X. , He X. , and Yao Y. , An Improved Unified Creep-Plasticity Model for SnAgCu Solder under a Wide Range of Strain Rates , J. Mater. Sci. , Vol 52 (No. 10 ), 2017 , p 6120 – 6137 10.1007/s10853-017-0851-x 10. Qinwu X. et al. , A New Nonlinear Viscoelastic Model...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001302
EISBN: 978-1-62708-215-0
... roughing die, where it was given a single large deformation at a high strain rate. The partially-formed kingpin was then moved to the finishing die and given a smaller deformation at a slower strain rate. The final piece was trimmed of flash and dropped in a steel bin to cool. It was then reaustenitized...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... for discussion). Source: Ref 7 Fig. 9 Observed microscopic fracture mechanisms for different loading conditions and environments. T , temperature; ε ̇ , strain rate; DBTT, ductile-brittle transition temperature; Δ K , stress-intensity factor range; K ISCC , stress-corrosion cracking...
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
...) is the region of the initial instantaneous elastic strain from the applied load, followed by a region of increasing plastic strain at a decreasing strain rate ( Fig. 3b ). Following the first stage of primary creep is the region of secondary creep, where the creep rate is nominally constant at a minimum rate...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... of ASTM Standards , ASTM International , 2019 31. Yin S. , Li D.Y. , and Bouchard R. , Effects of Strain Rate of Prior Deformation on Corrosion and Corrosive Wear of AISI 1045 Steel in a 3.5 Pct NaCl Solution , Metall. Mater. Trans. A , Vol 38 , 2007 , p 1032 – 1040 10.1007...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
.... Observation of Plastic Strain Smaller amounts of plastic deformation might be determined via careful measurement if the surfaces of the component are relatively smooth. The ability to see a neck in a tensile specimen depends on the amount of strain hardening and to some extent, the amount of strain-rate...