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surface roughness

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... of surface roughness, the factors that contribute to it, and its effect on image quality. It discusses the use of fixturing and holding devices, includes photographic examples of polishing defects and drying marks, and provides an overview of micrographic etchants and the features they reveal. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... that can be analyzed based on energy dissipation. It describes the stick-slip behavior observed in wiper blades, the concept of asperities, and the significance of the shape, lay, roughness, and waviness of surfaces in sliding contact. It explains how friction forces are measured and how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030115
EISBN: 978-1-62708-349-2
...-section specimens of fiber-reinforced polymeric composites for examination by transmitted-light microscopy techniques. The preparation steps covered are a selection of the rough section, preparation of the rough section for preliminary mounting, grinding and polishing the primary-mount first surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040001
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter provides a brief introduction to manufacturing processes used to produce metal parts and how they differ in terms of achievable geometries, tolerances, surface finishes, and production rate. manufacturing process dimensional accuracy surface roughness...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310193
EISBN: 978-1-62708-286-0
..., trisodium phosphate, or hydrocarbon solvent Follow manufacturer’s directions Polished finish designations based on grit sizes to achieve target surface roughnesses Table 3 Polished finish designations based on grit sizes to achieve target surface roughnesses Finish number Grit number R...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250311
EISBN: 978-1-62708-345-4
.... Other specific items to check include diameter over wires, root diameter, and size and uniformity of edge break at tooth ends and along the tip. It has been standard practice to specify surface finish and texture in terms of arithmetic average surface roughness ( R a ). Because it is possible...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... of gear ... ν 40 Kinematic viscosity at 40 °C (105 °F) cSt ρ 1 Transverse radius of curvature of pinion in. ρ 2 Transverse radius of curvature of gear in. ρ M Density lb/in .3 ρ n Normal relative radius of curvature in. σ Root-mean-square composite surface roughness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... Fig. 8.17 Effect of surface roughness on the surface durability of surface-hardened gears (P max /HB - R max curves). Source: Ref 23 Fig. 8.21 Distribution of residual axial stresses in the surface layer of carburized cylindrical specimens subjected to roller burnishing at various...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... Correlation factors for surface roughness (<italic>K</italic><sub>s</sub>), type of loading (<italic>K</italic><sub>I</sub>), and part diameter (<italic>K<sub>d</sub></italic>) for fatigue life of steel parts Table 2 Correlation factors for surface roughness ( K s ), type of loading ( K I ), and part...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460121
EISBN: 978-1-62708-285-3
... 14 Oxygen analysis Feedstock powder characterization 15 Surface roughness As-sprayed coating, distinguishing between process parameters, gas type 16 Microhardness Screening tool for coating 17 Nanoindentation Coating characterization, deformation 18 Bond adhesion test Evaluating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030043
EISBN: 978-1-62708-349-2
... Preparation and Mounting,” in this book. The grinding process is also used to adjust the level where the information is desired. If the sample is ground too much, the area where the analysis was desired may be lost. Rough grinding is essential to make the surface planar, but overgrinding can lead...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
.... 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. Figure 36 Interferometer thickness measurement taken at the center of the die. The flat and smooth surface gives...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290243
EISBN: 978-1-62708-306-5
... about what leads to a good adhesive bond. Surface roughness plays a key role: the rougher the surface, the more surface area available for the liquid adhesive to penetrate and lock onto. However, for this to be effective, the adhesive must wet the surface, a function of adherend cleanliness, adhesive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310167
EISBN: 978-1-62708-346-1
... be taken into account. These particularities of the instrumented indentation test are defined in Part 4 of the standard ( Ref 31 ). In addition to detailed definitions with regard to polish, surface roughness, surface purity, and correction of the thermal drift, special attention is given...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250227
EISBN: 978-1-62708-345-4
... arithmetic surface roughness average ( R a ) value of these surfaces before nitriding because surface roughness increases in most materials after nitriding due to nitrogen absorption into the surface. The longer the process is, the greater the increase of roughness, although the level of roughness can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320159
EISBN: 978-1-62708-347-8
... these would prevent nitrogen from being absorbed into the tooth surfaces. Also, it is advisable to have lower arithmetic average ( R a ) value of these surfaces before nitriding because surface roughness increases in most materials after nitriding due to nitrogen absorption into the surface. The longer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... of the sheet, galling is affected by the tool surface quality. Polishing the tool surfaces before and after coating helps to reduce galling. Roughness of the sheet has little influence on galling ( Ref 16.3 ). Tool Coating Selection of proper coating is also crucial to avoid galling and tool wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
... (roughness, lay pattern, and integrity). It also reduces or corrects geometric errors resulting from previous operations. The most common application of honing is on internal cylindrical surfaces ( Fig. 33a ). However, honing is also used to generate functional characteristics on external cylindrical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260245
EISBN: 978-1-62708-336-2
... of the wear mechanism and its effect on the extrusion performance as follows: Study of the relationship between surface roughness of the die bearing and extrusion to understand the friction model at the bearing-material interface Study of the different methods and compounds for the thin, hard coating...