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soil-induced 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
.... Unlike dc stray-current corrosion, induced-ac corrosion cannot be mitigated by adjusting the pipe to soil potential of the pipe. It is controlled by removing the ac from the pipeline and flowing the current to earth via ground beds or zinc anodes. There are several ways to prevent damage from stray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... to copper sulfate reference electrode (CSE). Source: Ref 11 Fig. 2 Differential corrosion cell created by differences in soils. Arrows indicate the direction of ionic and electronic current flow. Fig. 3 Iron-related bacteria creating a differential oxygen and pH cell on a metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... and sprinkler heads Aviation Aluminum integral wing tanks and fuel storage tanks Metalworking Increased wear from breakdown of machining oils and emulsions Dependence of soil corrosivity on redox potential Table 3 Dependence of soil corrosivity on redox potential Soil E h (NHE), mV...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350011
EISBN: 978-1-62708-315-7
..., bubbles collapse. (d) Disintegration of protective corrosion product by impacting microjet “torpedo.” Source: Ref 8 Fig. 2 A metal pipe buried in moist soil forming a corrosion cell. A difference in oxygen content at different levels in the electrolyte will produce a difference of potential...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
...Abstract Abstract Corrosive environments can be broadly classified as atmospheric, underground/soil, water, acidic, alkaline, and combinations of these. Complicating matters is the fact that there are important variables, for example, pH, temperature, and the presence of biological organisms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870075
EISBN: 978-1-62708-299-0
... ). The criterion for cathodic protection of aluminum in soils and waters has been published by the National Association of Corrosion Engineers ( Ref 14 ). The suggested practice is to shift the potential at least −0.15 V but not beyond the value of −1.20 V as measured against a saturated copper sulfate (Cu/CuSO 4...
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
...) and least susceptible to corrosion Source: Adapted from Ref 15.2 Practical galvanic series and reduction-oxidation potentials of metals and alloys in neutral soils and water Table 15.2 Practical galvanic series and reduction-oxidation potentials of metals and alloys in neutral soils...
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
... A.A. , Suloeva M.N. , and Vasileva E.G. , Environmental Aspects of Atmospheric Corrosion , Water, Air and Soil Pollution , Vol 85 , 1995 , p 2673 – 2678 10.1007/BF01186238 21. Knotkova D. , Boschek P. , and Kreislova K. , Results of ISO CORRAG Program...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... pipelines has been linked to environments consisting of carbonate/bicarbonate solutions in the buried soil environment. The development of the corrosive environment on the OD surfaces of piping has been associated with slightly alkaline solutions containing sodium bicarbonate (NaHCO 3 ) and sodium carbonate...
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
... charged hydroxyl ions (OH − ) in equal amounts. The metal undergoing electrochemical corrosion need not be immersed in a liquid but may be in contact with moist soil or may just have moist areas on the metal surface. The cathode is the electrode of an electrolytic cell at which reduction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... is small, the zinc coating corrodes at a very slow rate, and the underlying steel is protected. On the other hand, steel is anodic to tin, so that a small steel anode is created when the tin plate is breached, leading to rapid corrosion of the underlying steel. Steel pipes buried in moist soils...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
... of corrosion can be detected (except possibly for SCC itself). As described elsewhere in this book, stress-corrosion cracking is defined as environmentally induced subcritical crack growth under the influence of static or dynamic tensile stress ( Ref 2.1 ). Three factors must be present, simultaneously...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... to –50 °C (–40 to –60 °F). Convenient access to the most important literature on H 2 S corrosion (particularly with regard to sulfide stress cracking, SSC; hydrogen induced cracking, HIC; and the related problem of stress oriented hydrogen induced cracking, SOHIC) and CO 2 corrosion is available...
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 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... Descaling Baths Pickling Procedures Following Descaling Removal of Tarnish Films Acid Pickling Polishing and Buffing Wire Brushing Removal of Grease and Other Soils Chemical Conversion Coatings Electroplating on Titanium Other Coatings and Procedures Polishing Buffing...
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.t55030215
EISBN: 978-1-62708-282-2
.... Localized corrosion is insidious and often results in failure or even total destruction of equipment without warning. All metals and alloy systems are susceptible to most forms of localized corrosion by specific environments. For example, carbon or alloy steel pipelines will pit in aggressive soils because...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
... as shown in Fig. 5 . As the plowshare cuts through the soil from the right to the left, the relatively soft steel on the forward, high-stress side is gradually worn away, but the hardfacing applied to the rear, low-stress side is continually exposed at the sharp tip. Eventually, of course, the part must...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... be successfully introduced. These include the following: Atmospheric corrosion, including humidity, and both natural and man-made pollutants Soil corrosion, as determined by such factors as moisture content, level of electrical conductivity, acidity level, amount of dissolved salts, and aeration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7