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sliding bearings

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... Abstract This article discusses the classification of sliding bearings and describes the major groups of soft metal bearing materials: babbitts, copper-lead bearing alloys, bronze, and aluminum alloys. It provides a discussion on the methods for fluid-film lubrication in bearings. The article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047912
EISBN: 978-1-62708-225-9
... Abstract Examination of a connecting-rod shell bearing from a six-cylinder gasoline engine was done after it was returned to the factory. Copper-lead alloy SAE 485 bonded to a low-carbon steel backing was used to make the bearing and the oil used in the engine was the recommended one...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001533
EISBN: 978-1-62708-225-9
.... : Antifriction Materials and Sliding Bearings Reference Book , Mashgiz , Moscow , 1954 , pp. 383 (in Russian). 3. Khrushchev M.M. : Fatigue of Babbits , USSR Academy of Sciences , Moscow , 1943 , pp. 143 (in Russian). 4. Khrushchev M.M. and Kuritsyna A. D. : Friction...
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
... bearings are designed on the principle of rolling contact rather than sliding contact; frictional effects, although low, are not negligible, and lubrication is essential. The article lists the typical characteristics and causes of several types of failures. It describes failure by wear, failure by fretting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001692
EISBN: 978-1-62708-229-7
.... Crack growth resumed when loading increased with cracking or fracture of adjacent bolts. The problem was identified as one of insufficient preload on the bolts. In the second failure on a different unit, a retaining nut on a blade assembly split, allowing a roller bearing to slide off a shaft...
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
... stress. Although friction influences other stress components, the effect is relatively insignificant by comparison. It is thus more appropriate to select orthogonal shear stress as the critical stress when assessing subsurface rolling contact fatigue in rolling-sliding systems. bearings cam...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... FATIGUE (RCF) is a common failure mode in components subjected to rolling or rolling-sliding contact (e.g., rolling-element bearings, railway tracks, gears). It is characterized by crack propagation caused by the near-surface alternating shear stress field, caused by rolling or rolling-sliding contact...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047059
EISBN: 978-1-62708-217-4
... as a stop-off during carburizing of the offset, circular thrust-bearing surface surrounding the 16-mm (0.637-in.) diam hole. The bearing surface was case hardened to a depth of 0.05 to 0.1 mm (0.002 to 0.005 in.), then austempered to obtain a minimum hardness of 600 Knoop (1-kg, or 2.2-lb, load...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... spraying A MAJOR CAUSE of failure in components subjected to rolling or rolling/sliding contacts (e.g., rolling-contact bearings, gears, and cam/tappet arrangements) is contact fatigue. Rolling-contact fatigue (RCF) can be defined as the mechanism of crack propagation caused by the near-surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0046366
EISBN: 978-1-62708-236-5
... Abstract Several large chromium-plated 4340 steel cylinders were removed from service because of deep longitudinal score marks in the plating. One of the damaged cylinders and a mating cast aluminum alloy B850-T5 bearing adapter that also exhibited deep longitudinal score marks were submitted...
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
... partially filled by a Mn-Fe bearing chromium oxide film. The areas adjacent to the oxide film were chemically depleted in C, Cr and Mn and rich in Fe and Ni. Associated with this depletion were a large concentration of microvoids. It was suggested that the dissolution of carbides in areas surrounding...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... with some typical examples of engineering systems that can experience such wear failures ( Ref 5 ). Sliding wear may occur when the surfaces are under sliding motion, which may be continuous, such as in bearings, or reciprocating, such as pistons in cylinders and tappets. During reciprocating sliding...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001530
EISBN: 978-1-62708-225-9
... , pp. 2115 – 25 . 14. Rabinowicz E. : “The Least Wear,” Wear , 1994 , 100 , pp. 533 – 41 . Selected Reference • Ludema K.C. , Failures of Sliding Bearings , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 1986 , p 483 – 489...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001076
EISBN: 978-1-62708-214-3
... system at appropriate locations were recommended. Electrostatic fields Gas pipelines Static electricity Thrust bearings Turbogenerators Silver (Other, miscellaneous, or unspecified) failure Selected Reference • Ludema K.C. , Failures of Sliding Bearings , Failure...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001847
EISBN: 978-1-62708-241-9
...-006-9006-0 Selected References • Ludema K.C. , Failures of Sliding Bearings , Failure Analysis and Prevention , Vol 11 , ASM Handbook , Becker W.T. and Shipley R.J. , Ed., ASM International , 1986 , p 483 – 489 . 10.31399/asm.hb.v11.a0001809 • Lund R.A...
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 a solid surface caused by fracture arising from material fatigue in a corrosive environment. This wear mode is also termed tribocorrosion fatigue ( Ref 8 , 9 ). Components in machinery, such as cylinder piston rods and slide bearings, and facilities used in an offshore corrosive environment can suffer...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... of fretting wear, with an emphasis on steel, are reviewed in this article. This review is followed by several examples of failures related to fretting wear. Common sites for fretting are in joints that are bolted, keyed, pinned, press fitted, or riveted; in oscillating bearings, splines, and press fits...
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
... ball, thus simulating the rolling and sliding produced in angular-contact ball bearings. This five-ball machine has been used to investigate the fatigue life of high-speed ball bearings with hot pressed silicon nitride balls ( Ref 42 , 43 ). Fig. 3 Loading configuration of five-ball machine...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
..., are also used extensively; however, they are expensive. Historically, nylons have been very popular materials for many tribological applications such as sliding fittings, bearings, and gears. Possibly the greatest advantage of using nylon as tribological material over metals is that no external...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001797
EISBN: 978-1-62708-241-9
... of the cam–follower system Eight translational degrees of freedom ( y i ( i = 1,…,5) x j ( j = 1,2)) and one rotational degree of freedom ( θ c ) are considered. Several dynamic parameters are considered in this model: Friction in the follower roller and sliding bearings, cantilever effect...