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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046422
EISBN: 978-1-62708-234-1
.... This type of dynamometer acts somewhat like a stalled hydraulic coupling: Vanes in the rotor impart tangential momentum to the water recirculating in a spiral path in the toroidal working compartment, and this momentum is killed by the fixed stator vanes. This results in dissipation of mechanical energy...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001287
EISBN: 978-1-62708-215-0
... stress, the momentum of each air cylinder will apply a bending force to its respective shaft. The appearance of the fracture surface examined in this investigation is indicative of a fatigue failure. Beach marks are visible on area 3, depicting the advance of the fatigue crack. The final abrupt...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001604
EISBN: 978-1-62708-234-1
... the void left behind. The momentum of the rushing liquid produces an explosive shock wave on impact with the tube surface. This wave, in turn, produces localized deformation and, when large enough, may provide the mechanical energy necessary to produce pitting. Eventually, the cavitation pits, or craters...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... to localized wear, but careful monitoring is necessary to prevent failure of the worn parts because of corrosion ( Ref 2 ). Turbulence and eddies are promoted either where fittings or valves project into the mainstream flow or where the diameter of a pipe changes. The momentum of the particles is sufficient...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003534
EISBN: 978-1-62708-180-1
... of operation. In a TOF-SIMS experiment, the desorption/ejection of “secondary” ions from the surface of a material is initiated by a short pulse (∼1 ns) of primary ions that impinges on the surface at high angles of incidence. The momentum transfer from the primary beam to the solid initiates a “collision...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... mode of operation, where molecular specificity is the main goal. In a TOF-SIMS experiment, the desorption/ejection of secondary ions from the surface of a material is initiated by a short pulse (a few nanoseconds) of primary ions that impinges on the solid surface. The momentum transfer from...
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
...). (Based on data from Ref 1) A second proposal is that the momentum of the growing swell could cause a transient stress in the tank when the swell impacted the tank interior. [ 3 ] This may be possible if formation of the stress-rupture tears was a very sudden event, resulting in dramatic...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006943
EISBN: 978-1-62708-395-9
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... of the specimen ensured consistency in positioning the specimen, because any forward movement would change the overlap on contact with the anvil. The slot was oversized and had two line contacts with the specimen to minimize friction and make certain that only the momentum of the specimen and none of the arm...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
... ). The momentum of the gear was strong enough to shear the contacting pinion teeth from the reverse direction, leaving the remaining teeth in excellent condition. The gear teeth were partially sheared and were all scrubbed over the top face from the reverse direction. Fig. 32 Spiral bevel gear and pinion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... of the light microscope has restricted its use for such work. Aside from the published light optical fractographs made by Zapffe (see Ref 5 for a review of many of these), very few optical fractographs of metallic materials have been published by others. Microfractography gained momentum with the development...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001459
EISBN: 978-1-62708-234-1
... of motion, such as occurs if a train of gears becomes jammed, the angular momentum of the rotating parts sufficing to cause rupture. In the case of a fatigue failure due to fluctuating or reversing torsion, however, a creeping crack invariably develops on a helical plane which is orientated at an angle...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9