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surface fatigue wear

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Published: 30 September 2023
Figure 4.7: Illustration of the mechanism of fatigue wear. (a) Original surface subject to periodic loading; (b) accumulation of damage near the surface due to the loading; (c) coalescence of damage and propagation to the surface; (d) development of a wear particle (pitting or spalling). More
Image
Published: 30 April 2021
Fig. 8.6 Railroad track spalling from rolling wear and surface fatigue More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... Abstract This chapter discusses the causes and effects of wear along with prevention methods. It covers abrasive, erosive, erosion-corrosion, grinding, gouging, adhesive, and fretting wear. It also discusses various forms of contact-stress fatigue, including subsurface-origin fatigue, surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... metal surfaces. This kind of wear is also known as fretting corrosion, false brinelling, friction oxidation, chafing fatigue, and wear oxidation. An example of fretting wear is shown in Fig. 16.7 . Fig. 16.7 Fretting wear on a steel shaft where the interface with the hub was intended...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... on another surface (two-body abrasion) or due to interaction with hard, loose particles trapped between two surfaces (three-body abrasion) ( Fig. 22.3 ). A major concern is the abrasive wear of the die by hard oxides such as scale or intermetallics on the surface of the workpiece. Fatigue wear occurs when...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
... surface after high temperature. This layer reduces the fretting wear considerably. The formation of this glassy oxide layer has been linked to an increase of 130% in fretting fatigue strength of Inconel 718 ( Ref 16 ). Fig. 12 Scanning electron microscope micrographs of titanium surfaces fretted...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
... Surface-origin fatigue Subcase-origin fatigue Cavitation fatigue Two of the categories, fretting wear and cavitation fatigue, usually are included in the subject of corrosion. There is some justification for this grouping, because both involve some chemical changes. However, since both...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
...) siliconizing Improved oxidation resistance Boronizing (boriding) Improved wear resistance, oxidative wear, and surface fatigue Ion implantation Improved friction and wear resistance for a variety of substrates Laser alloying Improved wear resistance Adding a surface layer or coating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270092
EISBN: 978-1-62708-301-0
... of the beach marks was a nick on the barrel surface. These facts suggest that there was a preexisting crack that propagated by fatigue. Background In an aircraft that met with an accident, the fuel pump had failed. It was reported that the failure of the fuel pump resulted in engine flame-out just after...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
... that failed because of spalling, abrasive wear, and plastic deformation. Fig. 27 Surface of a spalling-fatigue fracture in a single tooth of a heavily loaded final-drive pinion of AISI 8620 steel, carburized and hardened to 60 HRC in the case, showing vertical scratches, which indicate that appreciable...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420085
EISBN: 978-1-62708-452-9
... Abstract This chapter presents a detailed discussion on the three most frequent gear failure modes. These include tooth bending fatigue, tooth bending impact, and abrasive tooth wear. Tooth bending fatigue includes surface contact fatigue (pitting), rolling contact fatigue, contact fatigue...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390039
EISBN: 978-1-62708-459-8
.... No such scheme can be perfect, but some provide at least a frame of reference. In metal working, adhesive, abrasive, tribochemical and fatigue wear are often encountered and are examined here. 4.2 Adhesive Wear In metal working, the die and workpiece surfaces are always contaminated and often lubricated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
.... Fracture mode identification chart Table 1 Fracture mode identification chart Method Instantaneous failure mode (a) Progressive failure mode (b) Ductile overload Brittle overload Fatigue Corrosion Wear Creep Visual, 1 to 50× (fracture surface) Necking or distortion...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... Abstract The wear caused by contact stress fatigue is the result of a wide variety of mechanical forces and environments. This chapter discusses the characteristics of four types of contact stress fatigue on mating metal surfaces: surface, subsurface, subcase, and cavitation. Features...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900201
EISBN: 978-1-62708-350-8
... 40 years since the development of the low-temperature cyanide-based salt bath nitriding process. Salt bath nitriding will form not only the compound layer at the steel surface, but will allow nitrogen as well as carbon to diffuse into the surface to improve fatigue strength, torsional strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... practically to avoid gear failure. friction gear lubricants gears Hertzian fatigue scuffing wear GEAR PERFORMANCE is profoundly influenced by tribology, which can be defined as the science and technology of interacting surfaces in relative motion, or, alternatively, the science and technology...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.9781627084598
EISBN: 978-1-62708-459-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
... and nitrides, the “white layer” or compound layer, with an underlying diffusion zone containing dissolved nitrogen and iron (or alloy) nitrides. The white layer enhances surface resistance to galling and wear. The diffusion zone significantly increases the fatigue endurance limit, especially in carbon and low...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770011
EISBN: 978-1-62708-337-9
... measures. bending fatigue gas carburizing hardenability internal oxidation microstructure oxygen content surface hardness transformation products wear resistance The presence of internal oxidation at the surfaces of parts that are case hardened by pack or gas carburizing has been known...
Image
Published: 01 December 2003
Fig. 16 (Part 1) Wear failure of polyether-imide (PEI) and composites. (a) Failed surface of PEI while sliding against very smooth ( R a , 0.06 μm) aluminum surface, resulting in high friction coefficient (normal load, L , 28 N; velocity, V , 2.1 m/s), Left part shows severe melt flow More