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stray current corrosion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030023
EISBN: 978-1-62708-282-2
...Abstract Abstract This chapter is a detailed account of major sources of stray current that can cause corrosion and discusses several ways to prevent damage from stray-current corrosion. stray current corrosion corrosion prevention STRAY-CURRENT CORROSION is caused by an externally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870075
EISBN: 978-1-62708-299-0
...Abstract Abstract This chapter discusses three related corrosion mechanisms, galvanic, deposition, and stray-current corrosion, explaining why they occur and how they affect the corrosion process. It includes information on testing and prevention methods along with examples of the type...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... stress-corrosion crack in Nital etchant. Original magnification: 100× Fig. 1 Example of external corrosion of an underground pipeline. Lower quadrant of pipeline shown after coating removal and abrasive cleaning Fig. 4 Stray current corrosion caused by foreign pipeline Fig. 5...
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
... or salts of the base material. This chapter discusses the process of corrosion and how to prevent or mitigate its effects. It describes several forms of corrosion, including uniform, intergranular, pitting, crevice, and stray-current corrosion, and the effects of stress-corrosion cracking, corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910407
EISBN: 978-1-62708-250-1
... of these protection systems. The types of cathodic protection systems include sacrificial cathodic protection and impressed-current cathodic protection systems. Some of the technical problems associated with cathodic protection include the effects of stray currents on the corrosion of adjacent metal structures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... accelerated attack. Stray-Current Corrosion Stray-current corrosion is a special form of corrosion observed in buried structures. It differs from natural corrosion in that it is caused by an externally induced electrical current and is basically independent of environmental factors such as oxygen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030003
EISBN: 978-1-62708-282-2
... reaction occurs in a thin aqueous layer on the surface of the metal. Galvanic and stray current corrosion are not environment specific but rather can occur in any of the environments mentioned earlier. Localized corrosion is described as corrosion that occurs at discrete locations on a material. While...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
... that are located close to electrical supply lines. Stray-current corrosion is further discussed in Chapter 5 . Designers, when aware of compatibility effects, need to exercise their ingenuity to minimize the conditions that most favor galvanic corrosion. Table 1 provides some relevant parameters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
... Considerations Corrosion Awareness Why Failures Occur Design and Materials Selection Design Factors That Influence Corrosion Drafter’s Delusions Quality Assurance and Control Reliability Engineering Location Shape Movement Compatibility End-Grain Attack Stray-Current...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870025
EISBN: 978-1-62708-299-0
... in the oxide film and takes one of the following forms: Pitting corrosion Crevice corrosion, including staining corrosion and poultice corrosion Filiform corrosion Galvanic corrosion, including deposition and stray-current corrosion. (It should be noted that while galvanic corrosion most often...
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.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... corrode 9 kg (20 lb) of steel. Cathodic protection systems are the most likely present-day sources of stray dc currents in production operations. More detailed discussions are available in Ref 12 and 32 . The article “ Stray-Current Corrosion ” contains information on the causes and mechanisms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
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
...-conductivity electrolytes Remote anodes possible Low capital investment for large systems Can cause the following problems: Stray current corrosion Hydrogen embrittlement Coating debonding Cathodic corrosion of aluminum Consumption rates of impressed-current anode materials...
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
... treating, and joining, and includes a section on the causes and effects of corrosion and how they are typically controlled. aluminum alloys castability composition corrosion forgeability formability heat treatability machinability weldability wrought aluminum alloys ALUMINUM...
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
... R. , Galvanic Corrosion , Forms of Corrosion-Recognition and Prevention , Dillon C.P. , Ed., NACE International , 1982 • Chaker V. , Ed., Corrosion Effect of Stray Currents and the Techniques for Evaluating Corrosion of Rebars in Concrete , Corrosion of Rebars in Concrete...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... dealloying may occur, this form of corrosion may be a precursor to stress-corrosion cracking. Similarly, deep pits can act as stress raisers and serve as nucleation sites for corrosion fatigue failures. Some forms of corrosion such as stray-current corrosion and deposition corrosion are extremely...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
...Abstract Abstract All materials are susceptible to corrosion or some form of environmental degradation. Although no single material is suitable for all applications, usually there are a variety of materials that will perform satisfactorily in a given environment. The intent of this chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940087
EISBN: 978-1-62708-302-7
... velocity (V), however, will depend on the fluid dynamics, increasing with V –0.5 for laminar flow and with V –0.9 for turbulent flow. The importance of diffusion polarization in corrosion results from the observation that in many situations, the current density of the reduction reaction is large...