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electrochemical corrosion

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Published: 01 January 2006
Fig. 16 Relationship between electrochemical corrosion potential (ECP) and dissolved oxygen content. Data from operating reactors, with the different symbols being associated with specific plants. Source: Ref 38 More
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Published: 01 January 2006
Fig. 38 Variation of electrochemical corrosion potential (ECP) of stainless steel as function of feedwater hydrogen concentration More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003644
EISBN: 978-1-62708-182-5
... Abstract This article reviews the fundamentals of electrochemical corrosion test methods. The features and requirements of the instrumentation needed for an electrochemical test are briefly discussed. The article provides a discussion on the various electrochemical techniques and tests...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003654
EISBN: 978-1-62708-182-5
... (ECN) measurements are more common in the laboratory but are also finding applications in the field, especially for inspection of coatings. Direct Current Electrochemical Techniques The most commonly used electrochemical technique in corrosion detection of buried or immersed structures...
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Published: 01 January 1994
Fig. 3 Electrochemical measurement cell for corrosion investigations. Source: Ref 10 More
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Published: 01 January 2006
Fig. 7 Corrosion rates of unpolarized coupons (measured using electrochemical impedance spectroscopy) vs. freely corroding potential throughout the test section. Source: Ref 18 More
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Published: 01 January 2003
Fig. 3 Smoothed corrosion rates from electrochemical noise (ECN) and linear polarization resistance (LPR) measurements from the same probe within an oil/water separation plant. The oscillations correlated with daily operations of a vacuum truck. Source: Ref 18 More
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Published: 01 January 1987
Fig. 52 Effect of electrochemical potential on the stress-corrosion fracture path in a cold-worked AISI C-1018 low-carbon steel with a 0.2% offset yield strength of 63 MPa (9 ksi). The steel was tested in a 92- °C (198- °F) aqueous 33% sodium hydroxide solution. At a potential of E = −0.76 V More
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Published: 30 November 2018
Fig. 5 Electrochemical mechanism of filiform corrosion More
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005683
EISBN: 978-1-62708-198-6
... body fluids, very complex solutions containing electrolytes and nonelectrolytes, inorganic and organic constituents, and gases. The article describes the fundamentals of electrochemical corrosion testing and provides a brief discussion on various types of corrosion tests. It illustrates corrosion...
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Published: 01 January 2006
Fig. 23 Differences in corrosion rate and modality—(a) pitting and (b) general corrosion—as determined by automated, real-time electrochemical corrosion monitoring system using linear polarization resistance, electrochemical noise, and harmonic distortion analysis. Note comparison More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003637
EISBN: 978-1-62708-182-5
... Abstract This article focuses on the effects of microscopic organisms and the by-products they produce on the electrochemical corrosion of metals. The general characteristics of the microorganisms that facilitate their influence on the electrochemistry of corrosion are discussed. The industries...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004214
EISBN: 978-1-62708-184-9
... pipelines. The article reviews methodologies to perform internal corrosion direct assessment for pipelines. Real-time monitoring techniques for assessing actual corrosion at critical locations are discussed. The article also presents the case studies for multi-technique electrochemical corrosion monitoring...
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Published: 01 January 2006
Fig. 5 The three conjoint factors necessary for producing intergranular stress-corrosion cracking (IGSCC). Appropriate changes in the stress, environment, or material conditions make such a Venn diagram applicable to other modes of EAC. ECP, electrochemical corrosion potential. Source: Ref 18 More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004117
EISBN: 978-1-62708-184-9
... Abstract This article explores the use of the electrochemical and nonelectrochemical techniques for measuring the corrosion behavior of buried metals and the types of probes used. The electrical resistance technique is the main nonelectrochemical technique used for measuring corrosion rate...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001296
EISBN: 978-1-62708-170-2
... Abstract This article focuses on the testing and typical corrosion behavior of coating-substrate systems in aqueous solutions and humid aggressive atmospheres. It includes a short review of the fundamentals of corrosion, followed by a discussion of specific system behavior, electrochemical...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003586
EISBN: 978-1-62708-182-5
... Abstract This article addresses electrochemical methods for instantaneous rate determination and threshold determination as well as nonelectrochemical methods that can determine incremental or cumulative rates of corrosion. Electrochemical methods for the study of galvanic corrosion rates...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003653
EISBN: 978-1-62708-182-5
... Abstract This article focuses on the methods that are being developed for detecting and monitoring corrosion: electrochemical methods, electromagnetic or sound wave methods, fiber-optic technology, fluorescence methods, and the Diffracto Sight method. It reviews the importance of data...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003655
EISBN: 978-1-62708-182-5
... discusses the system considerations and installation techniques of different types of direct and indirect techniques in electrochemically based on-line corrosion monitoring process. It describes the importance of probe location and on-line corrosion monitoring techniques with examples. corrosion...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003609
EISBN: 978-1-62708-182-5
.... All the forms of corrosion observed in aqueous systems, including stress-assisted corrosion, galvanic corrosion, erosion-corrosion, and fretting corrosion, have been seen in fused salts. Electrochemically, the molten salt/metal surface interface is very similar to the aqueous solution/metal...