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final 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
... the processes and process variables for sample preparation. Then, the chapter discusses the processes of abrasive sizing for grinding and rough polishing. Next, it provides a summary of grinding methods, rough polishing, and final polishing. Finally, information on common polishing artifacts that can result...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400215
EISBN: 978-1-62708-258-7
... any remaining etchant. The polished specimen is generally held with stainless steel tongs and immersed into the etching solution with the polished surface facing toward the metallographer. If etching is to be used, it should be performed soon after final polishing. With time, a freshly polished...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030067
EISBN: 978-1-62708-349-2
... that require special preparation techniques ( Ref 1 ). These may consist of only special mounting materials or techniques, while other sample types may require completely different sample-preparation methods, from mounting to final polishing. Most of the special procedures that are required are due...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110391
EISBN: 978-1-62708-247-1
... is silicon dioxide; colloidal silica is a suspension of silica particles and is also called co-silica. This is favored media for final polishing due to its round particle size, unlike alumina whose particles are block-shaped. Co-silica turns into a glass-like substance when it dries on surfaces...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... Preparation , Plenum Press, Plenum Publishing Corporation , New York , 1974 , pp. 95 – 107 . 10.1007/978-1-4615-8708-8_6 28. Coons W. C. : “ The Evaluation of Final Polishing Abrasives, ” Metallographic Specimen Preparation , Plenum Press, Plenum Publishing Corporation , New York , 1974...
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 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... the polish. Figure 45 Optical brightfield image of “orange peel” effect associated with 400 µm pitch solder bumps prior to final polish. RST = 4.7 µm @ 20 °C. Figure 46 Optical brightfield image of “orange peel” effect associated with 400 µm pitch solder bumps prior to final polish. RST...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230199
EISBN: 978-1-62708-298-3
... is approximately 3 min. The final fine polishing is performed using a 550 rpm wheel, an adhesive-backed rayon cloth, and a 0.05 μm deagglomerated alumina (Al 2 O 3 ) in a water slurry. Final polishing takes approximately 3 to 5 min. The specimen should appear flat and essentially free of most scratches...
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
..., woven polyester thick cloths, or rigid grinding disks. With each of these, a coarse diamond size, most commonly 9 μm, is used. Grinding Media Grinding Equipment Lapping Polishing is the final step in producing a deformation free surface that is flat, scratch free, and mirror-like...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... that may require analyses in the xy plane are microcracks, voids, dispersed phases, and crystallinity. Whatever the case, the sample may have to be viewed normal to all three planes and angles in between. Commonly, this is not understood until the composite has been through the final polishing stage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
.... This is performed by subjecting the specimen to the final polishing step for a very short time—less than 30 seconds. This removes any excess laser dye that remained on the surface after the solvent-wiping process. There are many laser dyes that can be used to highlight the microcracks in fiber-reinforced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030115
EISBN: 978-1-62708-349-2
.... This will ensure that the material to be prepared for the final thin section extends the entire length of the glass slide face that is mounted to the first polished face. In addition to the ability to visually monitor the sample thickness during preparation, the edges of the sample are protected by the backing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
... in a 205 mm (8 in.) diameter Ti-6Al-4V billet. Vibratory polishing, although a slower process than electrolytic or mechanical polishing, produces good results. The vibratory process is also a two-step operation and is carried out as follows: Electropolishing is carried out directly from the final...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030245
EISBN: 978-1-62708-349-2
... illumination, 65mm macrophotograph The following figures were developed from a composite lap joint that was subjected to a lightning strike. The damaged lap joint was impregnated with Rhodamine-B-dyed epoxy resin. Prior to the final polishing step, the specimen was dried, and Magnaflux Zyglo (Magnaflux...
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 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... that have suffered oxidation, it may be necessary to start with a coarser grit. After all grinding steps up to 600 grit are completed, it is typical to employ 6 μm diamond paste, followed by 1 μm paste and a final polish with 0.05 μm alumina suspension ( Ref 10 ). Many metallographic supply companies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110323
EISBN: 978-1-62708-247-1
... is not uniform, then minor alignment adjustments are made on the mechanical polisher to correct the problem. To complete this phase of the process the unit is polished using Glycol Based Polycrystalline Diamond Suspension dispensed on a Red Final C cloth. This final polish step provides a smooth surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310213
EISBN: 978-1-62708-286-0
... grit abrasive. Finish No. 8 is a mirror finish obtained by final polishing with 800 grit abrasive. Finishes No. 3 and 4 are directional, with grit lines typically 1 cm (0.4 in.) in length. Finish No. 3 has a surface roughness average (R a ) of 0.4 to 0.8 µm (15 to 30 µin.). Specular gloss at 85...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
... surfaces. According to Magnusson, after heat treatment the sample should be polished using nital etching between the final polishing steps. After the final polishing stage, the sample should be etched about 5 s in 0.5% nital. The sample is rinsed and dried and then etched by immersion. Etching is started...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110402
EISBN: 978-1-62708-247-1
... results are best processed in a multitool workflow. The multi-tool workflow starts with cleaving, followed by one or more techniques – mechanical polishing, automated cleaving, broad and focused ion milling – that are applied in an iterative process to achieve the final sample for analysis...