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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001188
EISBN: 978-1-62708-235-8
... cutting of the middle section of the slide. The initial crack acted as a sharp notch favoring the formation of the fatigue fracture which lead to the failure of the slide. Flame cutting Friction press Thermal stresses Ck 35 Metalworking-related failures Fatigue fracture A short fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0009190
EISBN: 978-1-62708-225-9
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... Abstract Tribology is the study of contacting materials in relative motion and more specifically the study of friction, wear, and lubrication. This article discusses the classification and the mechanisms of friction, wear, and lubrication of polymers. It describes the tribological applications...
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Published: 01 January 2002
Fig. 8 Friction factors for flow through instrumented sidestreams under biocide treatment in an oilfield-produced water system can indicate biofouling. In this case, biocide “A” loses control of microbial fouling after 80 days, relative to biocide “B,” in a comparison carried out in a field More
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Published: 01 January 2002
Fig. 25 Effect of atmospheric pressure on the friction and wear of a carbon steel cylinder More
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Published: 01 January 2002
Fig. 28 Effect of ion implantation on the coefficient of friction in fretting of IMI 550 titanium alloy at 500 °C (930 °F) More
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Published: 01 January 2002
Fig. 32 Plot of the coefficient of friction versus the number of fretting cycles for three selected materials tested on steel. PTFE, polytetrafluoroethylene More
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Published: 01 January 2002
Fig. 6 Classification of the processes of friction leading to wear for elastomers (adapted after Moore, Ref 23 ). The diagram clarifies the role of friction in determining the wear mechanism for elastomeric polymers. More
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Published: 01 January 2002
Fig. 11 Influence of fillers on friction and wear behavior of PEEK composites; L , Normal load, 196 N; speed 0.445 m/s; counterface plain carbon steel ring. (a) nanometer-sized SiC in PEEK; (b), and (c) PTFE in PEEK and PEEK + SiC (3.3 vol% constant) composites. Source: Ref 40 More
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Published: 01 January 2002
Fig. 12 (a) Influence of PTFE on friction and wear performance of PEEK composites and the optimum range of PTFE amount for best combination of μ and K 0 . (b) Linear correlation and synergistic effect as a result of two opposite trends. K 0,M and K 0,L represent specific wear rates More
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Published: 01 January 2002
Fig. 17 Specific wear rate and friction coefficient of unidirectional composites (see Table 4 ) in three orientations ( P , 1.5 N/mm 2 ; V , 0.83 m/s; distance slid, 16 km). More
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Published: 01 January 2002
Fig. 2 Approximate relationship of coefficient of friction to Sommerfeld number, η N / p. More
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Published: 01 January 2002
Fig. 3 The friction of sliding bearing pairs for three different lubricants. More
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Published: 01 June 2019
Fig. 19 Surface away from severe friction damage More
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Published: 01 June 2019
Fig. 5 Photograph of copper friction bearing fragments inside traction motor with axle removed. More
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Published: 01 June 2019
Fig. 3 View of babbit surface of friction. (a) A large reoriented area (arrow). (b) Cracks (arrow) More
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Published: 15 January 2021
Fig. 9 Friction factors for flow through test lines under biocide treatment in an oilfield produced-water system indicate the extent of biofouling. In this case, biocide A loses control of microbial fouling after 60 days relative to biocide B. More
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Published: 15 January 2021
Fig. 17 Typical friction map obtained with a load-scanning test. Source: Ref 89 More
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Published: 15 January 2021
Fig. 19 Draw-bead friction test. (a) Configuration of deformation geometry. (b) outline of the test assembly. Adapted from Ref 74 More
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Published: 15 January 2021
Fig. 13 Comparison between (a) Archard approach and (b) friction energy wear approach to quantify the wear evolution of a sintered steel displaying a significant fluctuation of the friction coefficient, depending on the loading condition. Adapted from Ref 42 More