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pitting corrosion

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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
...Abstract Abstract This chapter concentrates on the better-known and widely studied phenomenon of pitting corrosion of passive metals. The discussion focuses on different parameters that influence pitting corrosion, namely environment, metal composition, potential, temperature, surface condition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870045
EISBN: 978-1-62708-299-0
...). The crevice corrosion is measured in terms of the maximum depth of pitting attack within the crevice formed by overlapping panels of the same material. For the GM 9540P(B) test, the salt solution was a mixture of 0.9% NaCl, 0.25% NaHCO 3 , and 0.1% CaCl 2 with a pH of 7.5 and a conductivity at 24 °C (75 °F...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
... surface of a 12-in.-diameter crude oil pipeline that experienced an in-service leak. (b) Metallographic cross section of the leak location showing undercutting within the pit, a pitting morphology that is typically associated with MIC. Fig. 6 Stress-corrosion crack in thin neck of a cartridge...
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 water; (b) resulting polarization behavior for two different passivating alloys (A and B polarization curves) Fig. 27 Variation of critical crevice corrosion temperature with alloy content Fig. 25 Variation of critical pitting temperature with pitting resistance equivalent number...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310257
EISBN: 978-1-62708-286-0
... by a discussion on the causes of the various forms of corrosion associated with liquids, namely pitting corrosion, crevice corrosion, intergranular corrosion, stress corrosion cracking, and erosion corrosion. The chapter also contains tables listing corrosion rates of sulfuric acid and fuming sulfuric acid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310091
EISBN: 978-1-62708-286-0
... of corrosion covered are general corrosion, pitting corrosion, crevice corrosion, and stress corrosion cracking. References References 1 Lacombe P. , Baroux B. , and Beranger G. , Stainless Steels , Les Editions de Physique, 2003 2 Gunn R.N. , Duplex Stainless Steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
...Abstract Abstract Corrosion problems can be divided into eight categories based on the appearance of the corrosion damage or the mechanism of attack: uniform or general corrosion; pitting corrosion; crevice corrosion, including corrosion under tubercles or deposits, filiform corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... hardness, influence of surface carbon content and grain size, internal oxidation, structure of carbides, and inclusion of noncarbide. Details on micropitting, macropitting, case crushing, pitting corrosion, and partial melting are also provided. References References 1. Raja B.V.R. , Pal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030070
EISBN: 978-1-62708-282-2
...Abstract Abstract This chapter describes the effects of metallurgical variables on the corrosion of aluminum alloys. Emphasis is placed on the effect of constituent particles on pitting corrosion of aluminum. corrosion aluminum alloys aluminum THE METALLURGICAL EFFECTS on corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230459
EISBN: 978-1-62708-298-3
... of the native oxides that form on the surface of beryllium and their ability to withstand acids, bases, and corrosive agents found in rain and seawater. It explains how carbides, inclusions, ions, and impurities contribute to corrosion damage, particularly pitting, and how corrosion reduces the ductility...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270156
EISBN: 978-1-62708-301-0
.... Based on these findings, investigators concluded that the failure was due to a fatigue crack initiated from a corrosion pit, which may have been caused by chemicals released by the burning of bonding resin. fatigue fracture corrosion pits SEM fractography tail rotor blades visual examination...
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
... 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 selective leaching. It discusses the use of corrosion inhibitors, cathodic...
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
... of the potential ranges identified in Fig. 7.71 . (a) Hydrogen embrittlement. (b) Active corrosion. (c) Passive film cracking. (d) Passivity. (e) Pit-initiated cracking Fig. 7.73 Schematic representation of (a) passive film, (b) passive film rupture by stress-induced slip resulting in exposure of bare...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... environments, including general corrosion, under-deposit corrosion, microbially induced corrosion, flow-accelerated corrosion, stress-assisted corrosion, erosion-corrosion, cavitation, oxygen pitting, stress-corrosion cracking, and caustic embrittlement. The discussion is supported by several illustrations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030176
EISBN: 978-1-62708-282-2
... of these alloys. Some categories of corrosion covered are pitting, crevice, intergranular, stress-corrosion cracking, general, and high-temperature corrosion. stainless steels nickel alloys corrosion resistance alloying elements pitting corrosion crevice corrosion intergranular corrosion stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820043
EISBN: 978-1-62708-339-3
.... It also discusses general types of corrosive attack and their effects on service integrity as well as detection and control measures. The five corrosive attack mechanisms covered are intergranular corrosion, preferential attack associated with weld metal precipitates, pitting and crevice corrosion, stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870219
EISBN: 978-1-62708-299-0
... potential of aluminum alloy 3003- H14 as a measure of relative susceptibility to pitting corrosion by conducting a galvanostatic polarizatioa See also ASTM G 100 summarized later in this table. F1110 Test Method for Sandwich Corrosion Test Defines procedures for evaluating the corrosivity of materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... for evaluating corrosion of weldments are used to assess intergranular corrosion of stainless steels and high-nickel alloys. Other applicable tests evaluate pitting and crevice corrosion, stress-corrosion cracking, and microbiologically influenced corrosion. Each of these test methods is reviewed in this chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820099
EISBN: 978-1-62708-339-3
... excellent resistance to pitting and crevice corrosion; are about twice as strong as the common austenitics; and, with only about half of the nickel content of the common austenitics, are less sensitive to fluctuation in nickel prices. Although there are some problems with welding duplex alloys, considerable...
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
...Abstract Abstract This chapter first covers some basic principles of electrochemical corrosion and then some of the various types of corrosion. Some of the more common types of corrosion discussed include uniform corrosion, galvanic corrosion, pitting, crevice corrosion, erosion-corrosion...