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sliding wear

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780259
EISBN: 978-1-62708-281-5
..., especially as it relates to friction and wear, is provided in Ref 7 and in Friction, Lubrication, and Wear Technology , Volume 18 of the ASM Handbook . Friction, Wear, and Lubrication Friction and wear are inevitable when two surfaces undergo sliding or rolling under load ( Ref 7 ). The control...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... recordings for 52100 steel at 60 HRC versus gray cast iron in reciprocating sliding in two different oils. The area of the force recordings are measures of the energy expended on friction during each test. Fig. 7.7 System wear results in reciprocating wear tests (ASTM G 133) of hard steel versus...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... PLASTICS (or polymers [2] ) are used in a variety of engineering and nonengineering applications where they are subjected to surface damage and wear. Examples of the tribological (involving sliding between two surfaces) use of plastics include gears and cams of various machines, tires, break pads...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... under which the machinery can be operated. Some of the energy is dissipated in various deformation processes, which result in wear of the sliding surfaces and their eventual degradation to the point where replacement of whole components becomes necessary. Wear of sliding surfaces adds another, very...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
...× magnification). Note the different surface textures produced by rubber wear. Fig. 11.26 Breakaway coefficient of friction (COF) of five rubbers sliding on three different counterfaces using the ASTM International D1894 test procedure. PTFE, polytetrafluoroethylene; CBR, cis polybutadiene rubber; CR...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... of contact Fig. 5.5 Typical profilometer map of a fretting wear test scar Fig. 5.6 Typical pin-on-disk wear; A is area Fig. 5.7 Cross section of a pin-on-flat wear scar measured by profilometry transverse (Pt) to the sliding direction. The wear area in red is calculated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
... W S > 10–17m 3 /Nm Thin-layer composites with metallic supports Pivot bearings, high-pressure applications PV < 300 MPa · m/s V < 1 m/s T < 320 °C, μ > 0.06 W S > 10 −18 m 3 /Nm UD, unidirectional; P , pressure; V, sliding speed; W S , specific wear rate; T...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
... expansion and contraction, and sliding velocity, and how they influence friction, lubrication, and wear. The chapter also provides information on forming presses and tooling, tube hydropiercing, and the use of finite elements to determine optimal processing conditions and loading paths. finite element...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... in the water). There is an abundance of seawater on the planet, so magnesium will be a contender for extended applications. Magnesium can be anodized to improve sliding wear properties, but its thickness range in recent years was far less than that of aluminum. Thus, magnesium can be a very useful metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250077
EISBN: 978-1-62708-345-4
..., and are resistant to abrasion and chemicals. Properties of various acetal resins are listed in Table 3 . The effect of temperature on the stress-strain curve for an unmodified acetal grade is shown in Fig. 4 . The effect of internal lubricants on the sliding wear resistance of acetal resins is shown in Fig. 5...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... in this sketch for the purposes of illustration). As the surfaces slide across each other, a bonded junction (a) is torn from one peak (or asperity) (b), then is sheared off by an impact with a larger adjacent peak to form a particle of wear debris (c). Metal may also be transferred from one surface to another...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
.... Tribological properties, especially abrasion resistance, correlate with microstructure. For rolling wear, the steels should have high hardness, fine or no carbides, and a homogeneous structure. This same type of structure is preferred for sliding wear. For abrasion, massive carbides with little matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
... these intimate contacts, but metals usually tend to transfer to the likes of zirconia. Figure 10.16 shows some adhesive wear test results for zirconia sliding on different counterfaces. Counterfaces that are harder than zirconia produce the lowest system wear. Silicon carbide is harder than the other...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... either harden the surface of a material, alter the surface to lubricate, or establish a tribolayer that reduces the wear. Figure 12.10 presents block-on-ring sliding wear data of some electroplates sliding on hardened 440C (58 to 60 HRC). Some platings produced no counterface wear (nickel), some...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... this is achieved, the surfaces touch and usually wear. Unlubricated sliding of material couples eventually leads to the production of wear debris. Rubbing surfaces usually have an oxide or some other reaction film on the surface; this film penetrates with sufficient rubbing, then the nascent rubbing surfaces...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... International A536, grade 60-45-10 up to grade 120-90-02) can similarly be used for lubricated sliding wear against hardened steel. The abrasion resistance of these cast irons is commensurate with their hardness, and the white cast irons have very good abrasion resistance. Welding iron-chromium hardfacings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... Source: Ref 16.2 Wear Wear is damage to a solid surface, involving loss or displacement of material. Wear is caused by sliding contact between the workpiece and tool and can be divided into two types: Abrasive wear is caused by hard particles forced against and moving along a solid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410315
EISBN: 978-1-62708-265-5
... interlamellar spacing, and Fig. 15.4 and 15.5 show, respectively, that wear decreases with decreasing interlamellar spacing and increasing hardness of pearlitic microstructures in a series of rail steels ( Ref 15.11 ). The latter results were generated by rolling/sliding wear tests in which the maximum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
...). Scale = 10 εm. Courtesy of G. Vander Voort, Buehler Ltd., Lake Bluff, IL Fig. 22 Sliding wear rate (at 200 rpm) as a function of retained austenite content. A, carburized SNCM21, 40 kg load, sliding distance of 864 m; B, carburized SCM4, 40 kg load, sliding distance of 864 m; C, carburized...