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Nitric acid

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Published: 01 December 2008
Fig. 14 Isocorrosion curve for nitric acid. Courtesy of Outokumpu Stainless More
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Published: 01 December 2008
Fig. 15 Corrosion behavior of high-silicon alloys in concentrated nitric acid. Courtesy of Outokumpu Stainless More
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Published: 01 December 1984
Figure 3-29 Alloy of cobalt and 15% tungsten etched in nitric acid, hydrogen peroxide, and lactic acid (10:10:80), 250×. (Courtesy of R. D. Buchheit, Battelle Memorial Institute.) More
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Published: 01 January 2015
Fig. 14.4 Isocorrosion diagram for titanium in nitric acid. Curves represent corrosion rates of 0.12 mm (0.005 in.) per year. Courtesy of RMI Company More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900065
EISBN: 978-1-62708-350-8
... Abstract The compound zone that forms on the surface of nitrided steels is often called the white layer. When the nitrided sample is sectioned through the case, and then polished and etched with a standard solution of nital (2 to 5% nitric acid and alcohol), the immediate surface etches out...
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Published: 01 January 2000
(and steel) in nitric acid in concentrations of 70% or higher, although low compared to the maximum rate, is sufficient to make it unsafe to ship or store nitric acid in these metals. More
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Published: 01 January 2015
Fig. 14.5 Acid-composition limits to avoid rapid pyrophoric reactions of titanium with red fuming nitric acid More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... vapor degreasing or alkaline cleaning, and then immerse the parts in a 1 to 1 solution (by volume) of nitric acid (1.41 specific gravity, or sp gr) and water for 15 to 30 min at approximately 95 °F (35 °C). Water rinsing, followed by drying, completes the process. Another procedure that has been...
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Published: 01 August 1999
Fig. 9 Effect of pH on corrosion of 1100-H14 alloy by various chemical solutions. Observe the minimal corrosion in the pH range of 4.0 to 9.0. The low corrosion rates in acetic acid, nitric acid, and ammonium hydroxide demonstrate that the nature of the individual ions in solution is more More
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Published: 01 December 1984
Figure 3-60 Microstructure of 200 nickel revealed using equal parts of acetic acid, nitric acid, and water, 75×. (Courtesy of R. D. Buchheit, Battelle Memorial Institute.) More
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Published: 01 December 1984
Figure 3-35 The microstructure of an alloy of Cu and 30% Ni electrolytically etched with a solution of acetic acid, nitric acid, and water (5:10:85), 150×. Left, cold-worked; right, annealed. (Courtesy of R. D. Buchheit , Battelle Memorial Institute.) More
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Published: 01 December 2015
Fig. 1 Corrosion behavior of alloys from five nickel alloy groups compared to that of 316L stainless steel (SS). (a) In boiling 10% sulfuric acid, reducing conditions. (b) In 10% boiling nitric acid, oxidizing conditions. Source: Data from Ref 3 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400215
EISBN: 978-1-62708-258-7
...% nitric acid in alcohol (nital), as seen in Fig. 8.1(c) . Also important are those etchants that chemically stain, tint, and color the constituents in the microstructure, for example, the Beraha’s tint etch in Fig. 8.1(e) . These etchants work by depositing chemical films on the surface of certain...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120307
EISBN: 978-1-62708-269-3
... Nil Ammonium nitrate + 1% nitric acid 28 Boiling Nil Ammonium oxalate Saturated Room Nil Ammonium perchlorate 20 88 (190) Nil Ammonium sulfate 10 100 (212) Nil Ammonium sulfate + 1% H 2 SO 4 Saturated Room 0.010 Aniline 100 Room Nil Aniline + 2% AlCl 3 98 158...
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Published: 01 March 2002
Fig. 4.2 The first macrograph of the microstructure of steel, Sorby’s 1864 macrograph of blister steel. Etched in very dilute nitric acid. 9× More
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Published: 30 April 2020
Fig. 7.36 Schematic of batch catalytic debinding, where the compacts rest on support trays in a hot nitrogen atmosphere that is doped with nitric acid More
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Published: 01 August 2018
Fig. 8.77 Micrograph of as-cast steel with a high concentration of polygonal manganese sulfide inclusions (sometimes called type III sulfide). Etchant: nitric acid. More
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Published: 01 March 2002
Fig. 8.50 The dendritic structure of a zinc-aluminum alloy spangle (Galvalume) on a steel wire. Specimen etched by suspending over fuming nitric acid. 200× More
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Published: 01 March 2002
Fig. 8.51 Scanning electron microscope micrograph of a similar dendritic spangle shown in Fig. 8.50 . Specimen etched by suspending over fuming nitric acid. 200× More
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Published: 01 March 2002
Fig. 8.6 Hot cracking in a weld of 309 stainless steel. The crack follows the branches of the dendrites. Electrolytic etch with 60% nitric acid and 40% water using 5 V. 500× More