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electropolishing

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Published: 01 March 2002
Fig. 7.44 Basic laboratory setup for electropolishing and electrolytic etching More
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Published: 01 April 2013
Fig. 4 Simple laboratory system for electropolishing and electroetching. Source: Ref 1 More
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Published: 01 December 2000
Fig. 11.4 Current-voltage curve for electropolishing of commercially pure titanium in a mixed acid solution. Polishing occurs on the plateau. More
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Published: 01 November 2007
Fig. 5.39 Detrimental effect of the electropolished surface condition on the carburization resistance of HK-40 alloy tested at 825 °C (1520 °F) in an environment with 0.8 a c and the oxygen potential shown in Fig. 5.18 . Source: Ref 35 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850536
EISBN: 978-1-62708-260-0
... solution 20 mL HC1 20 mL HNO3 5 mLHF 40 mL H 2 0 15 mL ethanol Etchant: 67 mL lactic acid 22 mL HNO3 11 m L H C l Electropolish: 87 mL methanol 8 mL H2S04 3 mL HNO3 2 mLHF Etchant: Solutionized Udimet-700 50 mL HNO3 50 mL HC1 Electropolish: 87 mL methanol 13 mL H 2 S 0 4 Etchant: Solutionized and aged...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850712
EISBN: 978-1-62708-260-0
...) AgBr AgCl Al (99.99%) 5 mL ethylenediamine 30 mL water 50 mL HC1 47 mL H N 0 3 3mLHF Comments Chemically polish with solution a or electrolytically polish with solution b at 4-5 V dc, 0.15 A/cm2 with current on 1 s and off 1 s. Etch in solution c for 30 s (Levinstein and Robinson). Electropolish...
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Published: 01 December 1984
Figure 2-24 Schematic illustrating the classic current density versus voltage relationship for electropolishing solutions. More
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Published: 01 June 2016
Fig. 5.25 Schematic of through-thickness residual-stress measurement in cold-sprayed coating by electropolishing and removal of layers More
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Published: 01 June 1983
Figure 9.9 Optical photomicrographs of sheets of α ′ martensite in Fe–18Cr–8Ni taken after sequential electropolishing and etching steps. Sequence begins at top. More
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Published: 01 March 2006
Fig. 11.57 Stage I half-crack fatigue propagation rates at various alternating stresses in electropolished and glass bead-blasted material tested in bending. Source: Ref 11.69 More
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Published: 01 January 2017
Fig. 4.12 Effect of applied stress on the time to failure of solution-annealed and electropolished type 347 tested in a magnesium chloride solution boiling at 145 °C (293 °F). After Ref 4.42 More
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Published: 01 November 2012
Fig. 53 Microcrack growth in Ti-6Al-4V. (a) Room temperature. (b) 500 °C (930 °F). SP, shot peened; EP, electropolished; SR, stress relieved. Source: Ref 34 More
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Published: 01 December 1984
Figure 4-17 Cross-polarized light used to reveal the microstructure of uranium (electropolished with phosphoric acid, alcohol, and ethylene glycol), 75×. (Courtesy of B. C. Leslie, Oak Ridge National Laboratory.) More
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Published: 01 March 2002
Fig. B.8 Cast Rene 220 nickel-base superalloy using dark-field electron microscopy. Showing γ″ disks with finer, less extensive γ′ in background. The specimen was electropolished and etched with methanolic 10% HCl. More
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Published: 01 November 2012
Fig. 52 S - N curves ( R = –1) for Ti-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 More
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Published: 01 January 2015
Fig. 23.29 Microstructure of 17-7 PH. (a) Surface tilting caused by martensite formation on refrigeration to −73 °C (−100 °F). (b) Refrigerated and aged at 480 °C (896 °F). Electropolished and etched in chromeacetic acid electrolyte. Light micrographs. Source: Ref 23.51 More
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Published: 01 March 2002
Fig. B.6 Wrought IN-718 nickel-base superalloy after 871 °C (1600 °F) for 7300 h at 469 MPa (68 ksi) showing δ at grain boundary, γ′ (cuboids) and γ″ (disks) in grains. The specimen was electropolished and etched with methanolic 10% HCl. More
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Published: 01 November 2007
Fig. 5.77 Thermogravimetric testing 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 More
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Published: 01 November 2007
Fig. 5.78 Thermogravimetric testing in H 2 -24CO-2H 2 O at 600 °C (1112 °F) for Type 310SS (Fe-25Cr-20Ni) in three different surface conditions: as-ground surface (to 600-grit), cold-rolled (as-received surface), and electropolished surface. Source: Ref 101 More
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...