Volume 18 - Friction, Lubrication, and Wear Technology Part 10 ppsx

... However, the forces are weak and very short-ranged when considered on a laboratory scale. Typical forces range from 10 -7 to 10 -4 N, acting at surface separations from 1 to 100 nm. Therefore, measuring ... Heinrich, Electron Beam X-Ray Microanalysis, Van Nostrand Reinhold, 1981 48. L.K. Ives, Abrasive Wear by Coal-Fueled Engine Particles, Proceedings Corrosion Erosion-...

Ngày tải lên: 10/08/2014, 13:20

... 6061-T6 Teflon FOF 0.19 0 .18 18 Cr plate Teflon FOF 0.21 0.19 18 Glass, tempered Teflon FOF 0 .10 0 .10 18 Ni (0.001 P) Teflon FOF 0.22 0.19 18 Steel, 103 2 Teflon FOF 0 .18 0.16 18 Ti-6Al-4V ... 0.24 0.19 18 Cr plate FOF 0.09 0.08 18 Cu FOF 0.13 0.11 18 Ni (0.001 P) FOF 0.15 0.12 18 Steel, 103 2 FOF 0.27 0.27 18 Ti-6Al-4V FOF 0.17 0.14 18 Teflon Ti...

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... tribosystem, three different wear stages can be distinguished: • Self-accommodation or running-in wear • Steady-state wear • Self-acceleration (catastrophic damage) of wear These wear mode changes in ... S.C. Lim, M.F. Ashby, and J.H. Bruton, Wear- Rate Transitions and their Relationship to Wear Mechanisms, Acta Metall., Vol 35, 1987, p 134 3-1 348 Concepts of Reli...

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... . . . 5 0-6 0 Cast tubes 7 0-1 40 1 0-2 0 12 5-2 20 1 8- 32 4 5-6 5 Wrought plate 8 0-1 40 1 2-2 0 14 0-1 70 2 0-2 5 4 0-5 5 Low-tin alloys Steel backed . . . . . . . . . . . . 3 5-4 5 Tin-free alloys ... Abrasion, volume loss Material Low-stress (a) High-stress (b) Carbide, wt% Mesh size mm 3 in. 3 × 10 -3 mm 3 in. 3...

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... . . . . Mg-Al (electrolytic): 6-8 % Al; 1-2 % Zn 181 0 1.00 66 3.605 . . . 52 62 74 83 . . . . . . . . . . . . . . . Molybdenum 10, 220 0.251 123 4.790 138 125 118 114 111 109 106 102 99 92 Nickel ... Lampman, Kathleen M. Mills, Nikki D. Wheaton, and Mara S. Woods. Conversion to Electronic Files ASM Handbook, Volume 18, Friction, Lubrication, and Wear Technology...

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... materials and formaldehyde-release agents. Phenolic materials, such as 2,4,5-trichlorophenol, destroy bacteria directly. Materials such as 1,3-di(hydroxy-methyl )-5 , 5- dimethyl-2,4-dioxoimidazole, ... Crossed-cylinders frictional force showing 1 .18 mm 2 /s (1.8 × 10 -3 in. 2 /s) linear paraffin (curve A), 2.49 mm 2 /s (3.9 × 10 -3 in. 2 /s) linear paraffin (curve B)...

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... 6 0-4 0 brass pin rubbed by an 18W-4Cr-1V-1C composition high- speed tool steel wheel particularly by McDowell, Tierney, and McClellan (Ref 4) showed that the con-joint action of fretting and ... tested with a 10 and 30 N (1 and 3 kgf) load Fig. 14 Typical wear behavior of a polymer, showing the break-in period and the steady- state period of the curve generated when w...

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... p 20 7-2 25 18. R.G. Bayer, Impact Wear of Elastomers, Wear, Vol 112, 1986, p 10 5-1 20 19. P.A. Engel and D.L. Millis, Surface Topography Study in Impact Wear, Wear, Vol 75, 1982, p 42 3-4 42 ... Engineers, 1985, p 57 2-5 77 16. Mark's Standard Handbook for Mechanical Engineers, E.A. Avallone and T. Baumeister III, Ed., 9th ed., McGraw-Hill, 1987, p 8-1...

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... for this particular motor operation). Fig. 4 Various types of wear particles. (a) Normal rubbing wear pa rticles. (b) Sliding wear particles. (c) Cutting wear particles. (d) Fatigue particles. ... edges, and their major dimension-to-thickness ratio is approximately 10: 1. As the wear becomes more severe, the striations and straight edges on particles become more prominent a...

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... appears to be about equal to the wear volume lost for the top ball scar. Fig. 17 Relation of the wear volumes of the top-ball wear scars to the bottom- ball wear scars. Because there are three ... of Tribologists and Lubrication Engineers, p 2 8-3 2 48. A. Bengtsson and A. Ronnberg, The Absolute Measurement of Running-In, Wear, Vol 109 , 1986, p 32 9- 342 49. R....

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