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Hydroxides

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Published: 01 July 2000
Fig. 2.14 Pourbaix diagram for the iron/water system (iron/iron-hydroxides). Source: Ref 9 More
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Published: 01 December 2008
Fig. 18 Isocorrosion curves for various materials in sodium hydroxide. SCC, stress corrosion cracking. Courtesy of Outokumpu Stainless More
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Published: 01 July 2000
Fig. 7.78 Stress corrosion potential ranges of pipeline steel in hydroxide, carbonate-bicarbonate, and nitrate solutions in slow strain-rate test. Strain rate: 2.5 × 10 –6 s –1 . Arrows indicate open circuit corrosion potentials for each environment. Redrawn from Ref 68 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
... Abstract This chapter addresses the issue of stress-corrosion cracking (SCC) in carbon and low-alloy steels. It discusses crack initiation, propagation, and fracture in aqueous chloride, hydrogen sulfide, sulfuric acid, hydroxide, ammonia, nitrate, ethanol, methanol, and hydrogen gas...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080409
EISBN: 978-1-62708-304-1
... chlorides, molten nitrates, molten fluorides, molten carbonates, and molten sodium hydroxide. molten salt corrosion 15.1 Introduction Molten salt technology plays an important role in various industries. In the heat treating industry, molten salts are commonly used as a medium for heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940001
EISBN: 978-1-62708-302-7
... electrochemical corrosion circuit, using it to explain how electric potential differences drive the corrosion process and how corrosion rates vary in proportion to current density. The chapter concludes with a discussion on the importance of corrosion products, such as oxides and hydroxides, and how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230093
EISBN: 978-1-62708-298-3
... Abstract This chapter reviews the basic chemistry of beryllium metals and compounds, including beryllium hydroxide, beryllium carbonates, beryllium fluoride, and beryllium chloride. It discusses the uses as well as application challenges of various forms of beryllium and includes information...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
... Abstract This chapter discusses the synthesis of important beryllium compounds, including beryllium borides, beryllium carbide, beryllium carbonates, beryllium carboxylates, beryllium halides, beryllium hydride, beryllium hydroxide, beryllium nitrate, beryllium nitride, beryllium oxalate...
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Published: 01 January 2017
Fig. 4.34 Effect of applied stress on the time to failure of type 347 in oxygenated sodium hydroxide and potassium hydroxide solutions at 300 °C (570 °F). After Ref 4.64 More
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Published: 01 January 2000
Fig. 13 Potential-pH diagrams for several metals in water at 25 °C (75 °F). (a) Corrosion by dissolution. (b) Corrosion by gasification. (c) Passivation by oxide or hydroxide layer. (d) Passivation by hydroxide layer. (e) Immunity More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... compounds of beryllium. Some of the usual fusion reagents from analytical chemistry have been successfully used for the decomposition of the ore. The reactants hydrofluoric acid and sodium or potassium hydroxide dissolve beryl ore, but the chemical consumption by the silica component is too expensive. Also...
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Published: 01 July 2009
Fig. 25.2 Theoretical conditions of corrosion, immunity, and passivation of beryllium at 25 °C (passivation by the hydroxide β-Be(OH) 2 ) More
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Published: 01 March 2002
Fig. 8.48 Duplex AISI/SAE 2205 stainless steel showing delta phase (dark) and ferrite. Electrolytically etched with potassium hydroxide solution using a stainless steel cathode at 3 V. 200× More
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Published: 01 August 1999
Fig. 8 Schematic drawing of the failure mechanism in an aluminum/polymer joint system during wedge testing in humid environment. The original oxide is converted to hydroxide, which adheres poorly to the aluminum substrate. FPL, Forest Products Laboratory processed. Source: Ref 19 More
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Published: 01 January 2000
Fig. 56 Potentiokinetic polarization curve and electrode potential values at which intergranular and transgranular SCC appears in a 10% sodium hydroxide (NaOH) solution at 288 °C (550 °F). (a) Alloy 600. (b) Alloy 800. (c) AISI type 304 stainless steel More
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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 3-34 Microstructure of beryllium-copper alloy revealed by swabbing with aqueous 3% ammonium persulfate and 1% ammonium hydroxide. Left, solution-annealed, twins not attacked [70 HRB (Rockwell hardness on the B scale), 300×]; right, solution-annealed and aged [41 HRC (Rockwell hardness More
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Published: 01 January 2017
achieved by addition of hydroxide. Source: Ref 5.127 More
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Published: 01 August 2018
Fig. 17.82 Ductile cast iron, annealed (3.9% C, 2.9% Si, 0.32% Mn, 0.06% P, 0.037% Mg, 1.5% Ni, 0.57% Cu). The etchant reveals silicon segregation. Silicon content decreases as the distance from the graphite nodule increases. The etchant is composed of 28 g sodium hydroxide (NaOH), 4 g picric More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910021
EISBN: 978-1-62708-250-1
... is placed in sulfuric acid, or corrosion products can be insoluble compounds, such as iron oxide or hydroxide. The presence of corrosion products is one way corrosion can sometimes be detected (e.g., rust). Tendency to Form Insoluble Corrosion Products The tendency to form insoluble corrosion...