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interfacial wear

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Image
Published: 01 January 2002
Fig. 1 Interfacial wear processes. (a) Initial contact of the two surfaces. (b) Running-in process where the soft polymer molecules are gradually transferred to the hard counterface as third-body. (c) Steady-state wear process where the wear and friction phenomena are influenced mainly More
Image
Published: 15 May 2022
Fig. 1 Interfacial wear processes. (a) Initial contact of the two surfaces. (b) Running-in process in which the soft polymer molecules are transferred to the hard counterface. (c) Steady-state wear process in which the wear and friction phenomena are influenced mainly by the shear and adhesive More
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
... classification is based on the two-term model that divides wear mechanisms into interfacial and bulk or cohesive. The second is based on the perceived wear mechanism. The third classification is specific to polymers and draws the distinction based on mechanical properties of polymers. In this classification...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
... Abstract This article presents the mechanisms of polymer wear and quantifies wear in terms of wear rate (rate of removal of the material). Interfacial and bulk wear are discussed as well as a discussion on the wear study of "elastomers," "thermosets," "glassy thermoplastics...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009000
EISBN: 978-1-62708-186-3
..., microstructure, interfacial friction, surface temperatures, and wear rate. high-strength steels stampings interfacial friction microstructure mild steel surface morphology surface roughness surface temperature wear rate IN AN EFFORT to improve the fuel economy of automotive vehicles, various...
Image
Published: 01 January 2002
thinning of fibers; 3, interfacial separation of fiber and matrix; 4, fiber cracking; 5, back-transferred polymer or organic fibers (film and layered wear debris) showing delamination and cracking; 6, metallic and wear debris transferred from the counterface; 7, pulled-out or peeled-off fiber pieces More
Image
Published: 15 May 2022
; 3, interfacial separation of fiber and matrix; 4, fiber cracking; 5, back-transferred polymer or organic fibers (film and layered wear debris) showing delamination and cracking; 6, metallic and wear debris transferred from the counterface; and 7, pulled-out or peeled-off fiber pieces More
Image
Published: 31 December 2017
by indenting hard asperities of contacting bodies or hard particles (microcutting, microplowing, microcracking). (c) Adhesion. Formation and rupture of adhesive interfacial cold weld spots, materials transfer, and generation of wear debris. (d) Tribochemical reaction. Chemical materials/atmosphere/lubricant More
Image
Published: 01 January 2002
Fig. 2 Relative abrasive wear loss of polymethylmethacrylate (PMMA) and composites filled with quartz and glass against abrasives SiC (45 μm), WIB, SiO 2 (10 μm) and CaCO 3 (3 μm) as a function of filler volume fraction, V f . WIB, weak interfacial bond; SIB, strong interfacial bond: 1 More
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...
Image
Published: 31 December 2017
Fig. 13 Wear mode as a function of the friction factor, f HK , and the attack angle, θ. The friction factor is a dimensionless shear-strength parameter defined as the quotient of the interfacial shear stress and the shear strength of the soft metal. More
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
..., there is sufficient information to formulate a model and to assess the significance of various parameters, including materials, which can be changed to resolve the wear problem. Wear Mechanisms The interfacial deterioration processes are called wear mechanisms. In general terms, there are three basic...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006375
EISBN: 978-1-62708-192-4
... in the real area of contact increased. The interfacial bonds between metal and ceramic surfaces were generally stronger than the cohesive bonds in the metal. Thus, the metal fractured when shear occurred. The observed wear and transfer of metal to the ceramic were mainly caused by the strength...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006402
EISBN: 978-1-62708-192-4
... configuration, the bulk materials properties and metallurgical description, and the surface topographies and characteristics (cleaned surfaces before test). Note that the interfacial tribological processes act differently on each of the two triboelements, depending on the contact-area-to-wear-track ratio, ε...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006869
EISBN: 978-1-62708-395-9
..., microcracking, and microcutting; 2, sliding and wear thinning of fibers; 3, interfacial separation of fiber and matrix; 4, fiber cracking; 5, back-transferred polymer or organic fibers (film and layered wear debris) showing delamination and cracking; 6, metallic and wear debris transferred from the counterface...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005675
EISBN: 978-1-62708-198-6
... inertness within the body), high stiffness, and low friction and wear as articulating surfaces. Their main drawback is their brittle nature and resultant low impact resistance. Thus, a few examples are known where ceramic particles are combined to form composites while retaining properties...
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
... and electrochemical properties for maximized resistance to corrosive wear. Fig. 10 Interfacial regions are generally more anodic due to the presence of defect and misfit strains, which have higher strain energy and are preferential sites for corrosion. (a) Grain boundaries are more anodic than grains and thus...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003279
EISBN: 978-1-62708-176-4
... occur in various size scales. Obviously, the fine-scale interfacial contact processes involved in nanoscale coatings on hard disks require a different testing approach than the macroscale wear that occurs on the digger teeth of mining equipment and on the bows of icebreakers. Therefore, not only...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... fraction. Fig. 2 Relative abrasive wear loss of polymethylmethacrylate (PMMA) and composites filled with quartz and glass against abrasives SiC (45 μm), WIB, SiO 2 (10 μm) and CaCO 3 (3 μm) as a function of filler volume fraction, V f . WIB, weak interfacial bond; SIB, strong interfacial bond: 1...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003280
EISBN: 978-1-62708-176-4
... and thin films. The article provides an insight into the mechanisms of environmentally induced interfacial degradation by discussing the fundamental aspects of adhesion between two dissimilar materials. It examines the use of adhesion tests in the evaluation of stress-corrosion cracking within bimaterial...