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shearing equipment

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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.c9001807
EISBN: 978-1-62708-241-9
...Abstract Abstract Rolling contact fatigue is responsible for a large number of industrial equipment failures. It is also one of the main failure modes of components subjected to rolling contact loading such as bearings, cams, and gears. To better understand such failures, an investigation...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001100
EISBN: 978-1-62708-214-3
... equipment to concrete foundations. Such applications commonly do not require axial loading of the bolts beyond their initial tightening torque load. The bolts often serve only to ensure the position of the equipment. During a construction project at a chemical plant, three unsleeved shear-type anchor...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001285
EISBN: 978-1-62708-215-0
... of the fracture surfaces and the condition of the individual wires revealed that 59% of the wires failed by shear, 39% failed in tension, and 2% had been cut. In addition, 87% of the wires showed some degree of crushing damage, ranging from mild to severe. The failure was attributed to improper installation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001820
EISBN: 978-1-62708-180-1
... of fracture propagation. A third fracture appearance, called a tearing shear fracture, is found in conjunction with the arrest of ductile or brittle propagating fractures. Tearing shear fractures are pure shear fractures ( Fig. 3 ), as opposed to the tensile fractures shown in Fig. 1 and 2 . Tearing...
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
... the sudden release of the load. Fracture was wholly of the brittle cleavage type except for a small crescent shaped lip at the top right-hand side. In this zone, fracture occurred at an angle of 45 deg to the general plane of fracture, indicative of failure in shear. Failure of the hook had taken place where...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
...-papers/content/680093/ 2. Chen M. and Zhou D. , “ AHSS Forming Simulation for Shear Fracture and Edge Cracking ,” Great Designs in Steel Seminar, American Iron and Steel Institute , 2008 , www.AutoSteel.org 3. “ Advanced High-Strength Steels Application Guidelines Version 6.0...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... in a laboratory, the requirements for on-site testing may involve the use of portable laboratories with metallographic equipment for grinding, mechanical polishing, and etching. Small specimens can be cut from a part on the site for preparation, examination, and photography immediately or upon return to a fully...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001733
EISBN: 978-1-62708-225-9
..., analyze the environment and equipment associated with it, and most importantly preserve and clean the fracture surface for fractographic study—all will help simplify failure analysis. The more care that is exercised to avoid damaging a fracture surface, the more meaningful, reliable, and accurate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001619
EISBN: 978-1-62708-225-9
...Abstract Abstract A splined shaft on a wood chip-to-fiber refiner failed during equipment start-up. The shaft broke into two pieces at a location close to the end of the splined part of the shaft. The failed component showed the classical fatigue-cracking fracture face. The shaft had a diam...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001495
EISBN: 978-1-62708-221-1
...Abstract Abstract An axle shaft in an open-pit mining truck hauling overburden failed after operating for 27,000 h. Previous failures had resulted from longitudinal shear, but this had not, bringing material quality into question. Chemical analysis verified that the part was SAE4340 Ni-Cr-Mo...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001388
EISBN: 978-1-62708-215-0
... and hoisting operations because of their mobility. The requirements for such mobility demand that the structural components and associated equipment in the crane often be reduced in weight. In contrast, operating rates of truck cranes have tended to increase over those of ten years ago. Accordingly, the margin...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0051866
EISBN: 978-1-62708-228-0
...Abstract Abstract Coiled tubing used in drilling operations failed at the halfway point of its estimated fatigue life. The failure was found to be transverse to the tubing axis. Visual examination revealed a flat fracture surface extending 13 mm with the rest of the fracture showing shear lips...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... different approximations of the fatigue diagram. The shape of the diagram depends mainly on the material, the geometry of the component, and the type of loading (axial, bending, torsion, and shear). The lines are determined by the ultimate tensile strength, S u , and the alternating fatigue strength...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
..., this surface exhibits beach marks. Courtesy of G.J. Fowler, Fowler Inc. Fig. 6 Schematic illustration of stress distribution associated with rolling contact of a cylindrical member (at top) against a flat surface. The maximum shear stress occurs beneath the surface and can result in subsurface...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001817
EISBN: 978-1-62708-241-9
... , 11th edn. American Petroleum Institute , Washington ( 2002 ) Selected reference Selected reference • Jamieson F.L. , Failures of Lifting Equipment , Failure Analysis and Prevention , Vol 11 , ASM Handbook , Becker W.T. and Shipley R.J. , Ed., ASM International...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001295
EISBN: 978-1-62708-215-0
..., with no sign of surface scratching. A different feature was observed on this wire—a pronounced blue color on the wire surface, extending several millimeters from the point of fracture. This is typical of a localized heating effect (e.g., wire being struck by lightning). Failure type 3 showed a shear-type...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001115
EISBN: 978-1-62708-214-3
..., was analyzed. Reported to be a hydril CS connection, the pin end parted near the last threads. The external surface exhibited mechanical damage marks from the fishing operation. No signs of external corrosion or damage were detected. Visual surface examination revealed shear lips at the outside pipe...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001672
EISBN: 978-1-62708-236-5
..., the crane was unloading a 7,260 kg (16,000 lbs.) piece of equipment from a boat onto the offshore platform when the swing circle (or roller path) on the pedestal broke. Figure 1 shows a schematic diagram of a crane and its components. Fig. 1 Schematic of crane. After several days...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001477
EISBN: 978-1-62708-229-7
... References • French D.N. , Failures of Boilers and Related Equipment , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 1986 , p 602 – 627 10.31399/asm.hb.v11.a0001816 • Becker W.T. and McGarry D. , Mechanisms and Appearances of Ductile...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001500
EISBN: 978-1-62708-221-1
... situated diagonally across the profile of the loaded side, which was consistent on every tooth. Agricultural equipment Bevel gears Design Loads (forces) Tractors 4820H UNS H48200 Rolling-contact wear Fatigue fracture A spiral bevel gear and pinion set was submitted for examination...