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electrolyte system

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110587
EISBN: 978-1-62708-247-1
... Tantalum (Ta) Tantalum pentoxide (Ta 2 O 5 ) Ta/MnO 2 Ta/Conductive Polymer Ta/liquid electrolyte Porous Ta anode Aluminum (Al) Aluminum oxide (Al 2 O 3 ) Al/Conductive Polymer Al/Liquid Electrolyte Etched Al foils Ceramics BaTiO 3 , CaZrO 3 , etc. BME (base metal electrode Cu, Ni) PME...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... a salt system with good solubility for the oxide is not known. Therefore, the oxide must be converted to another form, such as halides, to be able to reduce it thermally or electrolytically, since beryllium chloride and fluoride are relatively less stable than the oxide and therefore reduce more easily...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940233
EISBN: 978-1-62708-302-7
... Silver/silver-sulfate Ag/AgSO 4 (sat.) in sat. Ag 2 SO 4 +654 Mercury/mercuric-oxide Hg/HgO (sat.) in sat. HgO (1 N OH – ) +98 (a) sat., electrolyte saturation with respect to the indicated salt Faraday’s law expressions Table 6.2 Faraday’s law expressions Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030082
EISBN: 978-1-62708-282-2
... for the silver-gold system in acid electrolyte. These results are subsequently discussed further. Another major example of dealloying is graphitic corrosion that occurs in gray cast iron. Gray cast iron has a continuous graphite network in its microstructure that is cathodic to iron and remains behind...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230493
EISBN: 978-1-62708-298-3
... for the copper-LIXI 84 system Concentration in organic solution for Be, concentration in aqueous solution for Cu. Source: Emly 1994 Typical composition of the electrolytes used after solvent extraction Table 27.4 Typical composition of the electrolytes used after solvent extraction Element...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030184
EISBN: 978-1-62708-282-2
... systems Sacrificial-anode system Impressed-current system Simple Low/no maintenance Works best in conductive electrolytes Lower installation costs for smaller installations Higher capital investment for large systems Complex Requires maintenance Can work in low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030023
EISBN: 978-1-62708-282-2
... and flows into an electrolyte. For example, in a pipeline that is cathodically protected, if a foreign pipeline crosses or passes close to the protected pipeline, current from the cathodic protection system can gather onto the foreign pipeline and then be discharged from the foreign line when it crosses...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060369
EISBN: 978-1-62708-261-7
... Molybdenum Fig. 15.13 Cathodic protection system for a buried steel tank. (a) The original design that caused local failure of a nearby unprotected buried pipeline by stray current corrosion. (b) Improved design. Installation of a second anode and an insulated buss connection provided protection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910407
EISBN: 978-1-62708-250-1
... on the polarization curve are a function of the metal/electrolyte combination. Fig. 3 The concept of cathodic protection related to a potential-pH diagram (left) and to electrochemical polarization curves (right) A sacrificial cathodic protection system uses a more active metal than that used...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
..., copper rivets in steel plate may be satisfactory, but steel rivets through copper plate will corrode rapidly in an electrolyte. In a closed system, it may be possible to use corrosion inhibitors in the electrolyte. This is the principle used in automotive engine antifreezes, for the cooling system...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350011
EISBN: 978-1-62708-315-7
... chloride-dihydrate, 35 °C (95°F). Galvanic coupling due to copper salt reduction to copper metal. More severe than ASTM B 117 FACT (formerly ASTM B 538) Testing anodized aluminum specimens. Electrolyte as in salt spray or CASS test. Specimen is made the cathode to generate high pH at defects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... alloys 608, 614 (aluminum bronze) Copper alloy 230 (red brass, 85%) Copper 110 (electrolytic tough pitch copper) Copper alloys 651, 655 (silicon bronze) Copper alloy 715 (copper nickel, 30%) Copper alloy 923, cast (leaded tin bronze G) Copper alloy 922, cast (leaded tin bronze M...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030039
EISBN: 978-1-62708-282-2
... Fig. 1 Geometry of crevice corrosion. The average separation is the gap, g . Fig. 2 Crevice corrosion under seal in type 316 stainless steel sieve from steam condenser cooling water system exposed to flowing seawater for two years at less than 40 °C (104 °F). Source: Ref 3...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240323
EISBN: 978-1-62708-251-8
..., a complete electrical circuit is required. In a corroding system ( Fig. 18.1 ), this circuit is made up of four components: The anode is the electrode of an electrolytic cell at which oxidation is the principal reaction. Electrons flow away from the anode in the external circuit. It is the electrode...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030019
EISBN: 978-1-62708-282-2
... Hastelloy alloy C Chlorimet 3 Silver Titanium Graphite Gold Platinum Protected end (cathodic, or most noble) Note: ETP, electrolytic tough pitch Fig. 1 Schematic showing how breaks in mill scale (Fe 3 O 4 ) can lead to galvanic corrosion of steel Fig. 4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... resistance (which could induce degraded performance in electrical or electronic systems). All corrosion is galvanic in nature. It is induced by electrical reactions between two different metals in the presence of an electrolyte (as occurs in a battery). The extent of the corrosive reaction depends...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... sec Electrolytes and voltages for electropolishing of titanium and titanium alloys Table 11.5 Electrolytes and voltages for electropolishing of titanium and titanium alloys Electrolyte Cell voltage Time Notes Electrolytes composed of HClO 4 and alcohol with or without organic...