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localized corrosion

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940271
EISBN: 978-1-62708-302-7
... Abstract This chapter is a detailed study of the localized corrosion behavior of steel, copper, and aluminum alloys. It applies the basic principles of electrochemistry, as well as materials science and solid and fluid mechanics, to explain the causes and effects of pitting, crevice corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030003
EISBN: 978-1-62708-282-2
... Abstract This chapter provides an introduction to various forms of corrosion, namely uniform corrosion, localized corrosion, mechanically assisted degradation, environmentally induced cracking, microbiologically influenced corrosion, and metallurgically influenced corrosion. uniform...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
..., localized corrosion, galvanic corrosion, intergranular corrosion, stress-corrosion cracking, hydrogen damage, and erosion-corrosion. In addition, the economic importance of cost-effective materials selection is also considered. materials selection corrosion control general corrosion localized...
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
... Abstract This chapter explores the behavior of stainless steel in media that promote corrosion. The forms of corrosion covered are uniform corrosion, atmospheric corrosion, localized corrosion, pitting corrosion, crevice corrosion, and grain boundary corrosion. The chapter discusses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910331
EISBN: 978-1-62708-250-1
... information on materials selection under general corrosion conditions and under conditions of localized corrosion forms such as pitting, crevice corrosion, and stress-corrosion cracking. corrosion control materials selection corrosion resistance fabrication pitting crevice corrosion stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030033
EISBN: 978-1-62708-282-2
... and aluminum alloys, are useful only because of passive films, which are thin (nanometer-scale) oxide layers that form naturally on the metal surface and greatly reduce the rate of corrosion of the alloys. Such passive films, however, are often susceptible to localized breakdown, resulting in accelerated...
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
... of the occluded solution from the crevice sites (and pits) led to the river pattern of attack outside the initial localized corrosion sites. Fig. 5 Confocal laser scanning micrographs of air aged nickel alloys after cyclic potentiodynamic polarization testing with a crevice former in place at 95 °C...
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
... accelerated galvanic corrosion occurs. Factors such as area ratios, distance between electrically connected materials, and geometric shapes also affect galvanic-corrosion behavior. Corrosion of the anodic member(s) of a galvanic couple may take the form of general or localized corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... within the biofilm may be quite different from that in the bulk electrolyte away from the interface. The result can be the initiation of corrosion under conditions in which there would be none in the absence of the film, a change in the mode of corrosion (that is, from uniform to localized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... or the type of chemical used. Typically, pipeline systems are treated for management of general corrosion, although most failures actually result from localized (pitting) corrosion. Corrosion measurement and assessment in unpiggable pipelines presently relies on internal corrosion direct assessment (ICDA...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
... unrelated role with other factors ( Ref 26 ). For example, localized corrosion damage adjacent to the spindle support of a stainless steel paddle stirrer ( Fig. 3 ) resulted not only from crevice corrosion (oxygen differential cell) but also because of galvanic corrosion, caused by a small carbon steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
... Polarization Measurements for Localized Corrosion Susceptibility of Iron-, Nickel-, or Cobalt-Based Alloys • G 62, Test Methods for Holiday Detection in Pipeline Coatings • G 64, Classification of the Resistance of Stress-Corrosion Cracking of Heat-Treatable Aluminum Alloys • G 66, Method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... corrosion of the heat-affected zone (HAZ) or weld metal, or it can be associated with geometrical aspects, such as stress concentration at the weld toe, or creation of crevices due to joint design. Additionally, specific environmental conditions can induce localized corrosion such as temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030005
EISBN: 978-1-62708-282-2
.... , Examination of Aluminum Corrosion Products in Marine or Industrial-Marine Atmosphere , Werkst. Korros. , Vol 34 ( No. 5 ), 1983 , p 236 – 240 10.1002/maco.19830340504 49. Foley R.T. , Localized Corrosion of Aluminum Alloys—A Review , Corrosion , Vol 42 ( No. 5 ), 1986 , p 227 – 286...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870025
EISBN: 978-1-62708-299-0
.... Galvele J.R. , de Micheli S.M. , Muller I.L. , DeWexler S.B. , and Alanis I.L. , Critical Potentials for Localized Corrosion of Aluminum Alloys , Localized Corrosion , Brown B.F. , Kruger J. , and Staehle R.W. , Ed., National Association of Corrosion Engineers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... may initiate at preexisting surface flaws if the necessary electrochemical, mechanical, and metallurgical conditions are met, or corrosion processes may create a surface flaw by pitting or localized corrosion. The conditions that create a pit or localized corrosion at chemical inhomogeneities...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
.... Therefore, several of the more common failure modes with accompanying case studies are presented in this chapter, including galvanic corrosion, uniform corrosion, localized corrosion (pitting and crevice corrosion), microbiological influenced corrosion, stress corrosion cracking , and corrosion fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030074
EISBN: 978-1-62708-282-2
.... , in Critical Factors in Localized Corrosion III , Vol PV 98-17 , The Electrochemical Society , 1999 , p 289 13. Rebak R.B. , Koon N.E. , Cotner J.P. , and Crook P. , in Passivity and Localized Corrosion , Vol PV 99-27 , The Electrochemical Society , 1999 , p 473 14...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
... corrosive media in a small area should be avoided. For example, tank inlets should be designed such that concentrated solutions are mixed and diluted upon introduction ( Fig. 1 ). Otherwise, localized pockets of concentrated solutions can cause excessive corrosion. Fig. 1 Poor (a) and good (b...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... frequently to monitor in-service corrosion because of the simplicity and accuracy of the technique. Electrochemical techniques such as linear polarization resistance and electrochemical noise have moved from the laboratory to the processing plant and beyond to help with the detection of general and localized...