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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 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 induced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... covered include differential cell corrosion, microbiologically influenced corrosion, and stray current corrosion. external corrosion stress-corrosion cracking oil and natural gas pipelines corrosion prevention corrosion mitigation corrosion detection corrosion assessment corrosion repair...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030003
EISBN: 978-1-62708-282-2
... 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 this is true and accounts for the naming of...
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.t55030235
EISBN: 978-1-62708-282-2
... of localized attack occur because of end-grain attack and stray-current effects, which can render designs ineffective. End-grain attack, or preferential attack of grains exposed by crosscutting through a metal plate or rod ( Fig. 7c) , occurs in many corrosive fluids. An example is the cut edges...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... 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 of stray-current corrosion. This is a form of localized corrosion found almost...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
... are susceptible to most forms of localized corrosion by specific environments. For example, carbon or alloy steel pipelines will pit in aggressive soils because of local concentrations of corrosive compounds, differential aeration cells, corrosive bacteria, stray direct currents, or other conditions...
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
.... Courtesy of Corrosioneering—the On-line Corrosion Journal The criteria for cathodic protection have become controversial in recent years, because of two situations: first, a lack of understanding of the basis for the original criteria for protection of steel and cast iron; second, the several...
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
... 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 fatigue, and...
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 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 of damage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... the corrosion behavior of steel in hydrochloric acid and sulfuric acid as a function of the concentration of the acid. Sulfuric acid (H 2 SO 4 ) is the largest-volume inorganic acid currently in use and is generally considered to be the most important industrial chemical. The principal uses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870025
EISBN: 978-1-62708-299-0
... environment depends on its composition and the presence of impurities such as heavy metal ions. Physical variables are temperature, degree of movement and agitation, and pressure. Another physical variable that can cause corrosion of aluminum is the presence of stray electrical currents (alternating or direct...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... exposed edges and at abraded or corroded areas. When a corrosive solution is in contact with the product, current from the anodic cladding flows through the electrolyte to the cathodic core, and the cladding tends to dissolve preferentially, thus protecting the core ( Fig. 8 ). Sustained protection is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910407
EISBN: 978-1-62708-250-1
... 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, the effects...
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 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
... 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 in this context. Table 1 Galvanic...
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 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
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 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 is to review...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910331
EISBN: 978-1-62708-250-1
... Abstract The challenge of materials selection is to achieve adequate performance at the lowest possible cost. Corrosion resistance is not the only property to be considered in making materials selections. Typical requirements and some of the procedures involved in making a selection and some of...