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electropolishing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... that is to be machined away during further processing. This procedure is, however, more expensive than the others, but the sample is more representative. As an alternative, nondestructive metallographic examination can be performed at a specific surface location using either mechanical or electropolishing methods...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... sec Electrolytes and voltages for electropolishing of titanium and titanium alloys Table 11.5 Electrolytes and voltages for electropolishing of titanium and titanium alloys Electrolyte Cell voltage Time Notes Electrolytes composed of HClO 4 and alcohol with or without organic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230199
EISBN: 978-1-62708-298-3
... R. , et al. , 1948 . “ Electropolishing and Electroetching Beryllium for Microexamination under Bright Field Illumination ,” Argonne National Laboratory , unpublished work Price C.W. , and McCall J.L. , 1968 . “ A Review of Metallographic Preparation Procedures for Beryllium...
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 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
...-6Al-4V with a fine lamellar microstructure. (a) Room temperature. (b) 500 °C (930 °F). SP, shot peened; EP, electropolished; SR, stress relieved. Source: Ref 34 Fig. 53 Microcrack growth in Ti-6Al-4V. (a) Room temperature. (b) 500 °C (930 °F). SP, shot peened; EP, electropolished; SR...
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
... Stainless steels can be brightened by chemical or electrolytic action, which selectively dissolves the surface in such a way that it becomes microscopically smoother. Electropolishing is the most effective means of accomplishing this. It causes the surface roughness to decrease by approximately one-half...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280357
EISBN: 978-1-62708-267-9
... boundary, γ′ (cuboids) and γ″ (disks) in grains. The specimen was electropolished and etched with methanolic 10% HCl. Fig. B.7 Wrought IN-718 nickel-base superalloy after 704 °C (1300 °F) for 6048 h at 255 MPa (37 ksi) showing δ platelets, spheroidal γ′, and small disks of γ″. Note precipitate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080097
EISBN: 978-1-62708-304-1
... in H 2 -24CO-2H 2 O at 600 °C (1112 °F) for alloy 800 (Fe-21Cr-32Ni) in three different surface conditions: as-ground surface (to 600-grit), cold-rolled (as-received surface), and electropolished surface. Source: Ref 101 Fig. 5.78 Thermogravimetric testing in H 2 -24CO-2H 2 O at 600 °C...
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
.... If the specimen is to be examined in the as-polished condition using polarized light or if no surface disturbance can be tolerated, either electrolytic polishing (also called electropolishing ) or chemical polishing is preferred. Alternatively, vibratory polishing with (basic) colloidal silica, acidic alumina...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
..., 50 HRC Gentle grinding 703 102 100 Electropolishing 620 90 88 Abusive grinding 430 62 61 Ti-6Al-4V, 32 HRC Gentle milling 480 70 113 Gentle grinding 430 62 100 Chemical milling 350 51 82 Abusive milling 220 32 52 Abusive grinding 90 13 21 Inconel 718...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
... Primary Alpha Transformed Beta Alpha Prime Metastable Beta Omega Phase Spheroidal Beta Intergranular Beta Alpha Case Intermetallic Phases (Compounds) Matrix Serrated Alpha Acicular Alpha Widmanstätten Structure Platelike Alpha Electropolishing Mechanical...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... and surface properties. Environmental Regulations Cleaning Abrasive Finishing Methods Polishing and Buffing Lapping Electropolishing Mass Finishing Rust-Preventive Compounds Phosphate Conversion Coatings Chromate Conversion Coatings Electroplating Processes Selective Plating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
... on nonsignificant surfaces to minimize carryover Avoid features that could trap air or evolved gases and would prevent cleaning from occurring or cause staining Electropolishing Allow for electrical contact to be made on nonsignificant surfaces Avoid features (e.g., small recesses, blind holes, cavities...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030176
EISBN: 978-1-62708-282-2
... environments, they should be free of deleterious precipitate phases and chromium-depleted surface layers. It is important, therefore, to remove by pickling, electropolishing, or mechanical processes, such as abrasion or grinding, any surface layers that have become depleted in chromium during high-temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410001
EISBN: 978-1-62708-265-5
... been made by sectioning of bulk specimens and electropolishing. More recently specimens from selected small areas have been removed from bulk samples in Focused Ion Beam (FIB) instruments that use Liquid Metal Ion Sources (LMIS) of gallium to remove and thin specimens for examination in TEM ( Ref 1.7...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850165
EISBN: 978-1-62708-260-0
.... 2 , many electropolishing solutions can be used to etch samples simply by reducing the applied voltage at the end of polishing to about one-tenth the polishing voltage and maintaining this lower level for several seconds or more, or by short-circuiting the electrodes at the end of the polishing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090333
EISBN: 978-1-62708-266-2
... susceptible to preferential etching. After a specimen was deformed approximately 10%, a flat face was cut and polished mechanically, then electropolished with a mixture of acetic acid and perchloric acid, and finally electroetched with a solution of 25% nitric acid in methanol at below 0 °C (32 °F). Shear...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080005
EISBN: 978-1-62708-304-1
... tested at 648 °C (1200 °F) for 168 h in wet O 2 Alloy Surface finish Metal loss after descaling, mg/cm 2 304 Wet ground 3.6 Electropolished 5.9 321 Wet ground 1.2 Electropolished 6.5 316 Wet ground 1.8 Electropolished 6.6 347 Wet ground 2.3 Electropolished...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310069
EISBN: 978-1-62708-286-0