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impact load

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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
... Abstract This article reviews the impact response of plastic components and the various methods used to evaluate it.. It describes the effects of loading rate on polymer deformation and the influence of temperature and strain rate on failure mode. It discusses the advantages and limitations...
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Published: 30 August 2021
Fig. 22 (a, b) Increasing the radial load, F rad , and its impact on load distribution, Q j rad . (c) Purely axial load, F ax , and the shoulder effect. Extracts of BearinX. More
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Published: 15 May 2022
Fig. 10 Comparison of test values with predictions of the maximum load of an impacted polycarbonate box More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046028
EISBN: 978-1-62708-235-8
... Abstract The 8620 steel latch tip, carburized and then induction hardened to a minimum surface hardness of 62 HRC, on the main-clutch stop arm on a business machine fractured during normal operation when the latch tip was subjected to intermittent impact loading. Fractographic examination 9x...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047109
EISBN: 978-1-62708-233-4
.... The function of the valve is to open and close a port; thus, the valve is subjected to both impact and tensile loading. Analysis (visual inspection, hardness testing, and stress analysis) supported the conclusions that the valve stems were impact loaded to stresses in excess of their yield strength...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001471
EISBN: 978-1-62708-221-1
... at the intrados of the hook would deform in a ductile manner both under slow and impact-loading conditions if in the form of an unnotched test piece, but if notched, it failed in a brittle manner under impact, though not under slow loading. Cranes Impact Fe-0.25C Mixed-mode fracture The hook...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001055
EISBN: 978-1-62708-214-3
..., a possible stress raiser at the intersection of the spiral weld and girth weld, and sudden impact loading, probably due to water hammer. Use of a semi- or fully killed steel with a minimum Charpy V-notch impact value of 20 J (15 ft·lbf) at 0 deg C (32 deg F) was recommended for future water lines. Certified...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001485
EISBN: 978-1-62708-225-9
... Abstract Factors which may lead to premature roller bearing failure in service include incorrect fitting, excessive pre-load during installation, insufficient or unsuitable lubrication, over-load, impact load vibration, excessive temperature, contamination by abrasive matter, ingress of harmful...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047823
EISBN: 978-1-62708-236-5
.... The shaft surface both near and in the keyways indicated fretting which greatly reduced the fatigue limit of the shaft metal and initiated fatigue cracks. Fatigue marks were observed on the fractured key. Repetitive impact loading was responsible for propagation of the cracks. The high cyclic bending...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0046079
EISBN: 978-1-62708-233-4
... intergranular phase, resulting in failure by brittle fracture at low impact loads during handling and storage. Recommendation included manufacture of the pipe with aluminized instead of galvanized steel sheet for the combustion chamber. Galvanized steels Heating equipment Intermetallic Zinc compounds...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... Abstract Rolling-contact fatigue (RCF) is a surface damage process due to the repeated application of stresses when the surfaces of two bodies roll on each other. This article briefly describes the various surface cracks caused by manufacturing processing faults or blunt impact loads on ceramic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001150
EISBN: 978-1-62708-235-8
... effects of the low fracture toughness of the plate on planes parallel in the rolling direction, the presence of the preexisting cracks, and the relatively large section thickness of the bars, the bars whose lengths were transverse to the rolling direction fractured brittlely when subjected to impact loads...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001489
EISBN: 978-1-62708-217-4
... facility was not windowless. A similar work was also conducted on the fracture surfaces of specimens ruptured in the tensile and impact loading modes. The bulk chemical composition of rings A and B was determined using standard atomic absorption spectroscopy and a carbon sulfur analyzer. It was quite...
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Published: 01 June 2019
Fig. 2 Inclusions on the surfaces of the wire A generated using (a) tensile and (b) impact loading. More
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Published: 01 June 2019
Fig. 3 Inclusions on the fracture surfaces of the wire B generated applying (a) tensile and (b) impact loads. More
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Published: 15 January 2021
Fig. 2 Schematic representation of subsurface zones found beneath surfaces subjected to repetitive impact loading. Source: Ref 7 More
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Published: 01 January 2002
Fig. 2 Schematic representation of subsurface zones found beneath surfaces subjected to repetitive impact loading. Source: Ref 4 More
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Published: 15 January 2021
Fig. 21 Schematic diagram of a typical indentation formed in a ceramic coating under repetitive impact loading showing different failure zones. Source: Ref 47 More
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Published: 01 January 2002
Fig. 19 Schematic diagram of a typical indentation formed in a ceramic coating under repetitive impact loading showing different failure zones. Source: Ref 35 More
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Published: 01 January 2002
Fig. 25 Bulk damage to a stationary tapered-roller bearing cone resulting from gross impact loading that yielded the cone material and cracked the case-carburized surface. Source: Ref 7 More