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surface roughness

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Published: 01 December 1999
Fig. 8.17 Effect of surface roughness on the surface durability of surface-hardened gears (P max /HB - R max curves). Source: Ref 23 More
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Published: 01 October 2011
Fig. 6.4 Approximate values of surface roughness and tolerance on dimensions typically obtained with different manufacturing processes. Polymers are different from metals and ceramics in that they can be processed to a very high surface smoothness, but tight tolerances are seldom possible More
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Published: 01 June 2016
Fig. 5.33 Root mean square surface roughness ( R a ) measurements. (a, b) Optical micrographs showing variation in surface roughness from a helium-sprayed (4 MPa, or 580 psi, and 600 °C, or 1110 °F) versus nitrogen-sprayed (5 MPa, or 725 psi, and 800 °C, or 1470 °F) IN625 coating on AISI More
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Published: 01 November 2012
Fig. 16 Surface roughness correction factors for standard rotating beam fatigue life testing of steel parts. See Table 2 for correction factors from part diameter and type of loading. Source: Ref 7 More
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Published: 01 August 2012
Fig. 16.18 Effect of surface roughness ( R a ) on physical vapor deposition coating. Material is PM HSS, powder metallurgy high-speed steel. Source: Ref 16.6 More
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Published: 01 July 1997
Fig. 11 Surface roughness produced by common production methods. The ranges shown are typical of the processes listed. Higher or lower values can be obtained under special conditions. More
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Published: 01 April 2004
Fig. 1.18 Effect of the surface roughness of copper substrates on the fracture toughness of joints made with silver-tin eutectic solder. It is worth noting that the joints under which the test joints were made are relatively extreme in terms of joint thickness (i.e., quantity of solder present More
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Published: 01 October 2011
Fig. 15 Example of the effect of excessive surface roughness in the range of smaller depths of the indentation curve More
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Published: 01 September 2005
Fig. 36 Surface roughness values produced by common manufacturing/production methods. The ranges shown are typical of the processes listed. Higher or lower values can be obtained under special conditions. Source: Ref 3 More
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Published: 01 October 2012
Fig. 12.5 Approximate values of surface roughness and tolerance on dimensions typically obtained with different manufacturing processes. ECM, electrochemical machining; EDM, electrical discharge machining. Source: Ref 12.7 More
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Published: 01 March 2001
Fig. 17 Schematic showing the relation of surface roughness to film thickness. Shown are conditions of full-film, thin-film, and boundary lubrication. More
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Published: 01 December 2008
Fig. 2 The decrease in corrosion resistance with increasing surface roughness by abrasion. Source: Ref 2 More
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Published: 01 July 1997
Fig. 10 Characteristics of a metal surface showing roughness and contaminants present. Source: Ref 7 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... ... Graphite ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... X ... ... ... X ... ... ... Adapted from [ Feature 1976 ] Surface roughness (<italic>R</italic><sub>a</sub>) of cold-rolled copper after sanding with wet silicon carbide paper or polishing with a colloidal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... (mirrorlike finish, no visible scratches). However, when this specimen is etched, the results lack uniformity: the work hardened regions will be more reactive and more etched by the reagent than the rest of the surface. Thus, darker lines may appear in regions that were previously scratched. The roughness...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... … … … … … … … … … … … … … … … X … … … X … … … Adapted from [ Feature 1976 ] Surface roughness (<italic>R</italic><sub>a</sub>) of cold-rolled copper after sanding with wet silicon carbide paper or polishing with a colloidal suspension of alumina in water Table 1.3 Surface roughness ( R a ) of cold-rolled...
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Published: 01 October 2011
Fig. 16 Schematic representation of the contact geometry between a real blunt indenter and a real rough surface (a) for the macro range, and (b) for the nano range. The scales and the mean roughnesses, Ra , between the macro and the nano range are in the ratio 20:1, whereas the lateral curve More
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Published: 01 October 2011
Fig. 14 Variation coefficient of the indentation depth, h , as a function of the indentation depth standardized to the arithmetic mean roughness, Ra . Influence of the surface roughness of the sample on the standard deviation of the measured indentation depths. Source: Ref 33 More
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Published: 01 November 2019
Figure 38 3D representation of rough surface from Figure 33 . Lower image is a 100 x100 array of plotted thickness values. Upper image is the same data plotted as a surface. More
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Published: 01 September 2008
Fig. 26 Rough machining at the surface of the tooth showing smearing and tearing of the machined surface. This is suggestive of abusive machining, due to dull cutting tools, inadequate coolant, or excessive speeds and feeds. More