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rolling-sliding wear

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Image
Published: 15 January 2021
Fig. 9 Schematic of the influence of lubrication regime on rolling-sliding wear. Adapted from Ref 5 More
Image
Published: 01 January 1994
Fig. 9 Wear rates from Amsler sliding-rolling wear tests for high-energy-beam beam surface alloyed Ti-6Al-4V. Source: Ref 16 More
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
... damage of the worn products after the tribological process. Then, the article describes some examples of wear processes, considering possible transitions and/or interactions of the mechanism of fretting wear, rolling-sliding wear, abrasive wear, and solid-particle erosion wear. The role of tribological...
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
... on a 75 mm (3 in.) disk; ball speed and disk speed are controlled independently to vary slide/roll ratio Rolling + sliding Wear rate Friction coefficient Ref 22 Twin-disk testing apparatus Two crowned rings are loaded against each other’s peripheries; the rings are spun about their own axes...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... an explanation on mechanisms, forms (sliding, impact, and rolling) and the causes of wear. It describes the wear measuring methods, including the mass loss method, wear width method, and scar depth method. The units used to report wear vary with type of wear and with the purpose for which the data are to be used...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006377
EISBN: 978-1-62708-192-4
... Abstract Transition metal dichalcogenides (TMD) are solid lubricant materials, specifically, intrinsic solid lubricants, whose crystal structure facilitates interfacial sliding/shear to achieve low friction and wear in sliding contacts and low torque in rolling contacts. This article provides...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006403
EISBN: 978-1-62708-192-4
... of different wear mechanisms and the need or conditions for adequate lubrication. For example, adhesive wear is a primary factor in sliding components, such as sliding bearings. Rolling contact also is frequently accompanied by slip or sliding, and many types of rolling-contact situations produce at least...
Image
Published: 31 December 2017
Fig. 6 Various types of wear particles that were isolated from a lubricant on microscope slides by means of analytical ferrography. (a) Rubbing wear particles from a diesel engine. (b) Severe sliding wear particles from a double reduction low-speed gearbox, as observed by SEM at the entry side More
Image
Published: 30 August 2021
Fig. 35 Different wearing patterns observed in rolling-element bearings. (a) Smearing of the axial side of rollers and taper-shaped wear. (b) Adhesive wear of rollers under heavy sliding (unloaded roller). (c) Abrasive wear due to sliding in the entry and exit of the loaded zone. (d) Geometric More
Book Chapter

By Koji Kato
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006394
EISBN: 978-1-62708-192-4
... is achieved by tribochemical wear generating transparent filmlike wear particles of SiO 2 in air at room temperature. When a small amount of slip is introduced at the rolling contact, the filmlike wear particle grows to a much larger size ( Ref 33 ). Smooth Wear Surface in Wet Sliding Friction...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006397
EISBN: 978-1-62708-192-4
... of these cases, constant, reproducible, and predictable friction values are necessary for the design of components and machines that will function efficiently and reliably. The interaction may be by sliding or by rolling; the terms used are sliding friction and rolling fiction , respectively. Rolling...
Book Chapter

Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006358
EISBN: 978-1-62708-192-4
...” in this Volume for a discussion of lubricant selection. Gears As previously mentioned, the wear modes experienced by gears usually involve both rolling and slip or sliding. Dudley ( Ref 2 ) has described the wear of gear teeth, noting that the relative amount of sliding increases as the number of teeth...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... Abstract A mechanical part, which supports the moving part, is termed a mechanical bearing and can be classified into rolling (ball or roller) bearings and sliding bearings. This article discusses the failures of sliding bearings. It first describes the geometry of sliding bearings, next...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006393
EISBN: 978-1-62708-192-4
... primarily from abrasive wear, adhesive wear, and contact fatigue wear; Ref 1 , 2 , 3 detail each mechanism. Within a properly operating rolling-element bearing, the main wear mechanism is rolling-contact fatigue. In the absence of gross sliding, the subsurface stresses govern the initiation of severe...
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 Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003326
EISBN: 978-1-62708-176-4
... References. References References 1. Harris T.A. , Friction and Wear of Rolling-Element Bearings , Friction, Lubrication, and Wear Technology , Vol 18 , ASM Handbook , ASM International , 1992 , p 499 2. Pike R. and Conway-Jones J.M. , Friction and Wear of Sliding...
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
... rolling and sliding contact ( Ref 18 ). The bulk of that research was focused on the experimental aspects of wear. Only a few attempts have been made to develop analytical models for predicting the wear process. The importance of determining analytical models for wear mechanisms has been discussed ( Ref...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.9781627081924
EISBN: 978-1-62708-192-4
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006426
EISBN: 978-1-62708-192-4
... plain bearings reliability factor roller bearings rolling-element bearings sliding bearings wear ROLLING-ELEMENT BEARINGS, also called rolling bearings and antifriction bearings, have rolling elements (either balls or rollers) placed between two raceways that conform more or less closely...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006410
EISBN: 978-1-62708-192-4
... The contribution of the frictional force due to the ploughing action depends on the difference in hardness between the surfaces, as well as their geometrical shapes ( Ref 20 , 21 ). Tribological Testing In wear testing, sliding conditions encountered in practice should be reproduced as closely as possible...