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corrosion cell

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310011
EISBN: 978-1-62708-286-0
... theory as it pertains to corrosion resistance of stainless steels. The discussion provides an overview of electrochemical reactions, Faraday's law, the Nernst equation, galvanic versus electrochemical cells, corrosion tendency, and Pourbaix diagrams. corrosion stainless steel corrosion prevention...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310019
EISBN: 978-1-62708-286-0
... rates of corrosion. Consider the differential aeration cell discussed in the Chapter 2 on corrosion theory, Fe/O 2 /OH − , Fe 2+ /Fe. If the thermodynamic conditions favor electrochemical corrosion of iron, that is, E r x n = E O 2 / OH − − E Fe 2...
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 2000
DOI: 10.31399/asm.tb.fec.9781627083027
EISBN: 978-1-62708-302-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310027
EISBN: 978-1-62708-286-0
... in an aerated environment. These represent a differential aeration cell that acts just like a severe crevice. Also, the action of microbes in raising the corrosion potential is key to understanding why natural seawater is so much more corrosive than sterile sodium chloride or synthetic seawater...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420363
EISBN: 978-1-62708-310-2
... Abstract This appendix provides a detailed overview of the crystal structure of metals. It describes primary bonding mechanisms, space lattices and crystal systems, unit cell parameters, slip systems, and crystallographic planes and directions as well as plastic deformation mechanisms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... to 3 mm, or 0.010 to 0.125 in.), with core densities in the range of 16 to 480 kg/m 3 (1 to 30 lb/ft 3 ). Core materials include metallic and nonmetallic honeycomb core, balsa wood, open- and closed-cell foams, and syntactics. In general, the honeycomb cores are more expensive than the foam cores...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140133
EISBN: 978-1-62708-264-8
..., this type of corrosion results from the precipitation of the K 1 carbide, usually on grain boundaries, of either ferrite or austenite. %C less than approximately 0.02 Pitting (crevice) Small pits develop holes in the passivating film, which set up what is called a galvanic cell, producing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170062
EISBN: 978-1-62708-297-6
... transition temperature. Silicon should be controlled closely within the range 2.4–2.8%. Manganese Manganese can be both a beneficial and a harmful element. It strongly increases hardenability, but during solidification it segregates to cell boundaries where it forms carbides and retards the austempering...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
... currents. It should be pointed out that the production of aluminum takes a lot of electrical energy. Because recycling aluminum takes much less energy, a large portion of general-purpose aluminum is currently made from recycled material. Fig. 2.5 Electrolytic cell used to produce aluminum. Courtesy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170432
EISBN: 978-1-62708-297-6
..., both as pure magnesium and alloyed with 30% or more aluminum. The relative position of magnesium in the electromotive series allows it to be used for cathodic protection of other metals from corrosion and in construction of dry-cell, seawater, and reserve-cell batteries. Cast iron foundries use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310109
EISBN: 978-1-62708-286-0
... concentrate at the metal-oxide interface and stabilize it, again preventing spallation. This type of alloys finds use in high-temperature applications such as planar oxide fuel cells. The high-chromium alloys, when used for corrosion resistance, are usually called super-ferritics . In the 1960s, E-Brite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... important; it can precipitate as films, globules, platelets, lamellae, and cells; usually forms at grain boundaries; “M” element is usually chromium, but nickel-cobalt, iron, molybdenum, and tungsten can substitute. M 6 C fcc a 0 = 1.085–1.175 Fe 3 Mo 3 C Fe 3 W 3 C-Fe 4 W 2 C Fe 3 Nb 3 C Nb 3 Co 3...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... stacking faults) Limited fatigue damage under cyclic stresses (due to the lack of cell walls within plastically deformed material) The ability to absorb stresses (through transformation of the structure to hcp) The first three of these attributes are believed to be important in preventing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310247
EISBN: 978-1-62708-286-0
... duplex. A wise preventive action is to paint stainless that is covered by insulation or similar material, which otherwise can result in concentration cells and consequent pitting. Liquefied natural gas (LNG) is becoming an increasingly important commodity as the value of stranded gas makes it...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170021
EISBN: 978-1-62708-297-6
... added, and how they affect various properties, behaviors, and processing characteristics. It explains how silicon, chromium, and nickel, in particular, improve high-temperature, corrosion, and wear performance. annealing corrosion resistance gray iron hardenability normalizing stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... burst. Acoustic emission sensors used to monitor HAC of steel displayed a similar jump or burst behavior. The electrochemical theory involves the setting up of galvanic cells within the micro-structure of the steel. Anodic dissolution paths are produced along concentration gradients in the metal or...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
... article also explains how primary alloying elements affect corrosion and wear behaviors and how they influence fabrication processes such as forming, forging, welding, brazing, and soldering. alloying elements aluminum alloys corrosion behavior wear behavior Composition Cast aluminum alloys...