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rough polishing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030043
EISBN: 978-1-62708-349-2
...Abstract Abstract Rough grinding and polishing of mounted specimens are required to prepare the composite sample for optical analysis. This chapter describes these techniques for preparing composite materials. First, it provides information on grinding and polishing equipment and describes...
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 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: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
...Abstract Abstract This chapter explains how to prepare metallographic samples for light microscopy and how to anticipate and avoid related problems. It describes standard practices and procedures for sectioning, mounting, grinding, and polishing and identifies common defects along...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110391
EISBN: 978-1-62708-247-1
... then be mounted in the usual way. See Fig. 4 and 5 . The active surface of the device should always be kept in compression during grinding and rough polishing. The newer dielectric materials are not mechanically strong and will separate under tension, introducing a defect in the sample. Grinding papers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
...Characteristic of polishing cloths Table 7.6 Characteristic of polishing cloths Type of Cloth Characteristics Selvyt Medium-nap cotton cloth for final polishing Nylon Napless nylon cloth for rough and intermediate polishing used for maintaining good edge retention Pan (Pan-W...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030067
EISBN: 978-1-62708-349-2
... then be ground and polished as described in Chapter 3, “Rough Grinding and Polishing,” in this book. Preparation of other metallic honeycomb-cored composites will benefit from this technique as well as thin-walled ribbed composite structures. Fig. 4.1 Mounted titanium honeycomb specimen. Note the cuts...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720161
EISBN: 978-1-62708-305-8
... conducted in several stages. Rough polishing is generally done with 6 or 3 μm diamond abrasive charged onto napless or low nap cloths. Hard materials, such as through hardened steels and cemented carbides, may require an additional polishing step. For such materials, initial rough polishing may be followed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230199
EISBN: 978-1-62708-298-3
... careful technique, but it eliminates the use of kerosene. The specimen is first ground wet on a 240-grit disc, followed by dry grinding on a 400-grit disc. In a third procedure, rough polishing is performed using a 550 rpm wheel, a chemo-textile cloth with adhesive backing, and a medium-light...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110010
EISBN: 978-1-62708-247-1
... specific to the application. In general, this is done by starting with rough polishing media to approach the area of interest and progressing through finer polishing media until the area of interest. Sandpaper, diamond lapping films, diamond slurries and various abrasive suspensions are employed depending...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... bonding between the mount and specimen. In the preparation area, there should be a sink to rinse specimens and to cool mounting press pistons and cylinders between cycles. Grinding is accomplished by an automatic grinding/rough polishing machine. This type of machine can maintain a high level...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... polishing. Locally edges are flat but rough, center is smooth and flat. Corners sit 60 µm lower than the center due to natural convex warpage of this particular BGA package. Figure 34 In line interferometer microscope view of top edge from Figure 33 showing a rough surface with flat tops from...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... roughness μin. T b Bulk temperature °F T b test Bulk temperature of test gears °F T c Contact temperature °F T f Flash temperature °F T f test Maximum flash temperature of test gears °F T s Scuffing temperature °F V Operating pitch line velocity ft...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310233
EISBN: 978-1-62708-286-0
... is not affected in an unwanted manner. If the abrasive is harder than the stainless or coarser than the stainless surface roughness, the underlying finish can be disturbed. Care should also be taken to clean with the polish grain if a polished surface is being cleaned. Also, cleaners containing chlorides...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... datum ( Fig. 4.21 ). Peaks get flattened and valleys are not touched. In the end, the peaks are lowered to the valleys. Fig. 4.21 Polishing abrasion; Ra, roughness average Polishing can be accomplished by rubbing with fixed abrasive tapes or papers with decreasing abrasive particle size...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... for mounting composite materials is provided. The steps recommended to achieve a good mounted specimen without voids or specimen pull-out are also described. The chapter discusses the processes for clamping mounted composite samples in automated polishing heads and mounting composite materials for hand...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270025
EISBN: 978-1-62708-301-0
... the crack propagation zone and a rough region indicating the final rapid overload failure. Because of longer exposure to the environment, the smooth fatigue crack propagation region appears slightly tarnished, whereas the final fracture appears relatively bright. When there are multiple fatigue crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
... As-treated surface finish Normal finishing operation Overlays Very rough Grind Thermal spray Very rough Grind Local hardening May be rough and distorted Grind Case hardening May be rough and distorted Grind Nitriding and nitrocarburizing Slightly roughened May be ground, but often...