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macroetching

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850536
EISBN: 978-1-62708-260-0
...Abstract Abstract This appendix lists etch compositions and procedures that reveal strain patterns in aluminum and nickel-base superalloys. aluminum alloys macroetchants nickel-base superalloys strain patterns ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850533
EISBN: 978-1-62708-260-0
...Abstract Abstract This appendix lists copper-containing macroetchants that are used on iron and steel. iron macroetchants steel ...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
..., and measurement of material dimensions. It discusses the mechanisms, advantages, limitations, components, and applications of various visual inspection tools, namely magnifying devices, lighting for visual inspection, measuring devices, miscellaneous measuring equipment, record-keeping devices, and macroetching...
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
... an AISI 4145 modified alloy steel billet revealed hydrogen flakes. Figure 1-11 Macroetching of a Ti-6Al-4V forging revealed grain flow and a forging lap (1¼×; etchant, solution of 10 mL HF, 15 mL HNO 3 , and 75 mL H 2 O for 2 min at room temperature). (Courtesy of J. A. Hendrickson, Wyman...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850509
EISBN: 978-1-62708-260-0
..., refractory metals, silicon, zirconium, and hafnium. macroetchants metals Macroetchants for Aluminum and Aluminum Alloys Macroetchants for Beryllium Macroetchants for Bismuth and Antimony and their Alloys Macroetchants for Cobalt and Cobalt Alloys Macroetchants for Copper and Copper...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560453
EISBN: 978-1-62708-291-4
... of the etchant, but substitution may be made for the wetting agent. An effective macroetchant that can be used at room temperature. Béchet’s Reagent Oberhoffer’s Etch Immerse at room temperature for about 20 s. Macroetching to reveal chemical segregation. It was once thought that segregation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220039
EISBN: 978-1-62708-259-4
.... “ Standard Terminology Relating to Metallography ,” E7-15, ASTM , 2015 2. “ Guide for Preparation of Metallographic Specimens ,” E3-11, ASTM , 2011 3. “ Standard Practice for Macroetching Metals and Alloys ,” E340-15, ASTM , 2015 4. “ Standard Practice for Preparing Sulfur Prints...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
.... Macroetching, followed by liquid penetrant inspection, should be used. Advanced forging processes, such as isothermal and hot-die forging, and the increasing use of computer modeling have greatly reduced problems associated with heat-resistant alloy forgings. The discontinuities that occur in nickel...
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 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
.... , Macroetching , Metallography and Microstructures , Vol 9 , ASM Handbook , ASM International , 2004 , p 313 – 324 10.31399/asm.hb.v09.a0003750 2. Meyer J.D. , Machine Vision and Robotic Inspection Systems , Nondestructive Evaluation and Quality Control , Vol 17 , ASM Handbook , ASM...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630071
EISBN: 978-1-62708-270-9
... prior to twisting ( Fig. 5 ). Even in a cylindrical part without splines or other originally straight reference marks, twisting deformation can be made visible by revealing the longitudinal grain flow with chemical macroetching. An example of this type of etching to reveal torsional deformation is shown...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
... are to optimize properties (as defined by the component specification) in all sections of the component. This may require generating a grain size that is within a defined size range. The soundness and uniformity of the forging also must be ensured. Most forgings are inspected by ultrasonic testing, macroetch...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... illumination modes with light microscopes. Of the various contrasting techniques, chemical recipes for etching the surface are the oldest. Etching even precedes Sorby by at least four centuries, as in the case of macroetching techniques to reveal the damask patterns of swords and various pieces of armor...
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 was previously subjected to macroetching with iodine etchant and was not sufficiently ground and polished afterward. Regions around nonmetallic inclusions still are corroded. Fig. 5.13 Stains caused by water retained between the metallic matrix and the graphite in an oxidized cast iron. Sometimes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430290
EISBN: 978-1-62708-253-2
... in macroetched condition. It shows the seamless nature of the tube with metal wastage due to corrosion on outer surface. Scanning electron microscopy was conducted on the outer surface of the tube to examine the mode of failure at a micro level. Figure 6.116 shows the SEM image of the outer surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120025
EISBN: 978-1-62708-269-3
... on surfaces by macroetching or blue-etch anodizing. Material containing stringers usually must undergo metallographic review to ensure that the indications revealed by etching are not artifacts. The hot-top procedure at the end of the VAR cycle can be adjusted somewhat to minimize the void and, thus, minimize...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260001
EISBN: 978-1-62708-336-2
... inclusions from flowing into the extrusion. It is always recommended to continue research on macroetching of the longitudinal section of the butt to gain a better understanding of the following aspects: Change of the dead-metal zone conical angle with the change of extrusion variables Change...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... ). Macroetching of the end part of the extrusion helps identify any presence of piping. Fig. 5 Progressing piping defects. Source: Ref 15 Figure 6 shows the transverse cross sections of a 7016 alloy bumper extrusion showing internal voids. Samples were taken well away from a blister...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2