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Published: 15 May 2022
Fig. 34 Determination of the loading-rate dependence of time to fracture ( t f ) and assignment of the critical dynamic loading rate ( v critdyn ) of Charpy specimens for a polyoxymethylene (POM) homopolymer More
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Published: 15 May 2022
Fig. 36 Loading-rate dependence of fracture toughness. FBA, force-based analysis; DKC, dynamic key curve; POM, polyoxymethylene More
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Published: 01 January 2002
Fig. 19 Graph showing the influence of load on the LME crack-growth rate for the experimental conditions described in text. Copper-free tensile strength at 1100 °C (2010 °F), % 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
... 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...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... Abstract Rolling-element bearings use rolling elements interposed between two raceways, and relative motion is permitted by the rotation of these elements. This article presents an overview of bearing materials, bearing-load ratings, and an examination of failed bearings. Rolling-element...
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Published: 30 August 2021
high-load-rating solutions; right two images: combined high-load-rating solutions. (c) Line contact solutions for combined loading direction: axial high-load-rating solutions. Source: Ref 1 , 2 More
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Published: 15 May 2022
Fig. 32 Applicability and limitations of force-based fracture mechanics analysis for high loading rates (impact) More
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Published: 01 January 2002
Fig. 3 Dimensionless wear rate, W , at two loads as a function of volume fraction of bronze particles in epoxy-Cu-Al system (Cu-Al particle diameter ≃ 100 μm). Abrading surface, silicon carbide. (a) Fine grade; (b) coarse grade. α-space between two particles, β. LROM; linear rule of mixtures More
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
... conditions from 10 −4 /s to 10/s. It shows that the yield stress and ultimate tensile stress increase significantly with increasing strain rate. In other words, the solder alloy becomes stronger under a higher loading rate ( Ref 4 , 5 ). This means that the solder can absorb internal stress and generate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001135
EISBN: 978-1-62708-219-8
... fracture toughness value calculated represents the stress intensity needed to produce fracture under dynamic loading or high strain rate conditions. The dynamic toughness values are considered to be close to the minimum values of fracture toughness that can be obtained and thus are useful design values...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006910
EISBN: 978-1-62708-395-9
..., Mechanical behavior). A summary of the types of tests, standards, and required specimens for assessing the deformation and fracture of plastic materials at different loading rates is presented in Table 1 . Types of tests, standards, and required specimens for assessing the fracture mechanics...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001288
EISBN: 978-1-62708-215-0
... to the mean stress of 20 MPa (2.9 ksi), σ a is the alternating stress, C su is the correction factor for the surface roughness, C sz for the part thickness, C im for the loading rate, and K f for the notch effect. The numerical values adopted in Eq 3 are: σ e = 183 MPa (26.5 ksi) (from Goodman's...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... fracture toughness, K ID , were measured using standard Charpy U-notch and precracked Charpy V-notch samples with dimensions of 10 × 10 × 55 mm, on a JBC-3000 instrumented impact tester with a total energy of 300 J and a load rate of 5 m/s, respectively. The dynamic fracture toughness K ID...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0047312
EISBN: 978-1-62708-224-2
... 5900 kg (13,000 lb), the observations made in this investigation suggested that either the load was underestimated or that the indicated load was applied at a more rapid rate (perhaps with a jerk), which would tend to increase the effective force of the load. Castings T hooks 60-40-18 UNS...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0092131
EISBN: 978-1-62708-234-1
... assumptions that were made when the part was originally designed. Such changes include an increase in operating temperature to one at which the material no longer has the required strength, an increase in the load rating of an associated component, which the user may interpret as an increase in the allowable...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... machines or in machines made from welded webs) To increase the load ratings of a given solution, one makes use of the line contact (rollers, needles) instead of the point contact (balls). That increase generally leads to a decrease of the maximum reachable speed limits due to the overall internal...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... the effects of load frequency and temperature, material condition, and manufacturing practices on fatigue strength. It provides information on subsurface discontinuities, including gas porosity, inclusions, and internal bursts as well as on corrosion fatigue testing to measure rates of fatigue-crack...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001396
EISBN: 978-1-62708-229-7
..., chemical treatment may possibly only alter the characteristics of the ’scale and not directly the rate of oxidation. 10 In view of the effect of chlorides it would be prudent to limit their content as far as is practicable. When boilers are taken off load for a significant length of time it has...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001438
EISBN: 978-1-62708-224-2
... Abstract A crane hook of 200T rated capacity failed suddenly at an indicated load of 143T, while the crane was undergoing a load test. Fracture took place through the intrados of the hook at the region of maximum stress. The jib and other portions suffered subsequent damage following the sudden...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001232
EISBN: 978-1-62708-233-4
... Abstract A bolt breaks along a change in cross section well below its rated capacity. An anchoring screw spins freely in place, having snapped at its first supporting thread. A motor unexpectedly disengages its load, its driveshaft having fractured near a keyway. Such failures – involving axles...