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macroetching

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Published: 01 December 1984
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-Gordon Co.) More
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Published: 01 December 1984
Figure 1-19 a Macroetching of a section from a Ti-6Al-4V forging revealing metal flow pattern and segregation (etchant, solution of 10 mL HF, 15 mL HNO 3 , and 75 mL H 2 O, swabbed for 2 min at room temperature). (Courtesy of J. A. Hendrickson, Wyman-Gordon Co.) More
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Published: 01 December 1984
Figure 1-20 Macroetching of a section cut from an AISI 1020 (semikilled) basket handle used in a continuous annealing furnace revealed coarse dendritic grain growth associated with decarburization. More
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Published: 01 December 1984
Figure 1-22 Macroetching with 10% nital was used to reveal carbide segregation in polished sections from various sizes of rounds of T1 high-speed tool steel. (Diameters in inches below sections.) More
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Published: 01 December 1984
Figure 1-23 Macroetching used to reveal the influence of weld parameters on penetration depth and shape. Top example shows GMA (gas-metal arc) welds at a heat input of 45 kJ/in using atmospheres of 100% CO 2 , argon plus 25% CO 2 , and argon plus 2% O 2 (left to right). Bottom example shows More
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Published: 01 December 1984
Figure 1-25 Macroetching (solution consisting of 1.5 mL HF, 15 mL HNO 3 , and 80 mL H 2 O) was used to reveal the macrostructure of this titanium flash weld. The extent of the metal extruded from the joint and the grain refinement in the junction is clearly revealed. (Courtesy of R. D More
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Published: 01 December 1984
Figure 1-27 Macroetching with 10% aqueous HNO 3 was used to reveal the decarburized surface on this bar (¾×). More
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Published: 01 December 1984
Figure 1-28 Macroetching of a disc cut from a cracked AISI H11 pump plunger revealed a dark rim around both the surface and the crack. This rim indicates the depth of the nitrided surface layer and showed that the crack was present before nitriding. More
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Published: 01 December 1984
Figure 1-29 Macroetching (10% aqueous HNO 3 ) of a disc cut from this carburized AISI P2 part revealed a heavy case at both the ID and OD. The surface was 65.5 HRC (Rockwell hardness on the C scale) while the center was at 85 to 86 HRB (Rockwell hardness on the B scale). More
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Published: 01 December 1984
Figure 1-30 Macroetching (10% aqueous HNO 3 ) was used to reveal grinding scorch on the surface of this AISI D2 die. Grinding damage resulted because the die had not been tempered. More
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Published: 01 December 1984
Figure 1-31 Macroetching (10% aqueous HNO 3 ) was used to reveal the extent of hardening in these AISI 1060 carbon steel round bars. More
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Published: 01 December 1984
Figure 1-33 Macroetching (10% HNO 3 in water) was used to reveal the extent of the heat-affected zone produced during flame cutting of these AISI S5 tool-steel gripping cams. More
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Published: 01 August 2018
Fig. 5.12 Surface that was previously subjected to macroetching with iodine etchant and was not sufficiently ground and polished afterward. Regions around nonmetallic inclusions still are corroded. More
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Published: 01 April 2013
Fig. 19 Macroetching (10% aqueous HN0 3 ) was used to reveal the extent of hardening in these AISI 1060 carbon steel round bars. Source: Ref 2 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
... 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 Metallography Principles and Practice George F. Vander Voort, p 536-537 DOI...
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 This appendix lists copper-containing macroetchants that are used on iron and steel. iron macroetchants steel Metallography Principles and Practice George F. Vander Voort, p 533-535 DOI: 10.31399/asm.tb.mpp.t67850533 Copyright © 1999 ASM International® All rights reserved...
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
... Abstract This chapter describes several macroscopic examination techniques, including macroetching, contact printing, fracturing, and lead exudation. It explains how each method is implemented, why it is used, and what it reveals about manufacturing processes, defects, imperfections...
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Published: 01 December 1984
Figure 1-34 Macrograph of a hardened, fractured, and blued macroetched disc revealing inclusion stringers (white streaks). More
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Published: 01 December 1984
Figure 1-36 Fractograph of fractured hardened macroetched discs of AISI W1 (1.3% carbon) tool steel that were excessively graphitized as the result of a high, undesired aluminum content. More