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electrochemical techniques

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... Abstract This chapter addresses in-service monitoring and corrosion testing of weldments. Three categories of corrosion monitoring are discussed: direct testing of coupons, electrochemical techniques, and nondestructive testing techniques. The majority of the test methods for evaluating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870075
EISBN: 978-1-62708-299-0
... Engineers , 1993 24. Baboian R. , Electrochemical Techniques for Predicting Galvanic Corrosion , Galvanic and Pitting Corrosion—Field and Laboratory Studies , STP 576, Baboian R. , France W. Jr. , Rowe L. , and Rynewicz J. , Ed., ASTM , 1976 , p 5 – 19 10.1520...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... the characteristics of corrosion monitoring techniques, the factors to be considered in selecting a corrosion-monitoring method, and the strategies in corrosion monitoring. corrosion testing corrosion monitoring corrosion control test specimens specimen preparation specimen cleaning electrochemical tests...
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
...-consuming, this is the most desirable method of investigating galvanic corrosion. Screening tests are conducted initially to eliminate as many candidate materials as possible. These screening tests consist of one or more of the following three electrochemical techniques: potential measurements, current...
Image
Published: 01 June 2007
Fig. 9.9 Schematic of double–loop electrochemical poten tiokinetic reactivation technique. Source: Ref 4 , 18 , 21 , 22 More
Image
Published: 01 June 2007
Fig. 9.11 Polarization curves for 316L powder metallurgy steels obtained by the electrochemical potentiokinetic reactivation double-loop technique in 0.5 M H 2 SO 4 + 0.01 M KSCN (30 °C, or 86 °F). (a) Steel without sensitization. (b) Sensitized steel with 1850 ppm nitrogen. (c) Liquid More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440245
EISBN: 978-1-62708-352-2
... , Electrochemical Publications • International Organization for Standardization (IOS) , 1990 . Welding, Brazing, and Soldering Processes: Vocabulary , (ISO/DIS 857-2), ISO (currently under revision) • Klein Wassink R.J. , 1989 . Soldering in Electronics , 2nd ed. , Electrochemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940233
EISBN: 978-1-62708-302-7
... IR-correction method. Based on Ref 2 Electrochemical Corrosion-Rate Measurement Methods and the Uniform-Corrosion Consideration The thermodynamic and kinetic principles along with measurement techniques described in previous sections provide the basis for both predicting and measuring...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030180
EISBN: 978-1-62708-282-2
... Abstract Anodic protection is used on a smaller scale than other corrosion control techniques due to the fundamental electrochemistry involved. This chapter provides a brief history of the technique, discusses anodic protection use, and compares anodic and cathodic protection. The background...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030165
EISBN: 978-1-62708-282-2
... Abstract The basic concept for most methods of corrosion protection is to remove one or more of the electrochemical cell components so that the pure metal or metal alloy of interest will not corrode. Another widely used corrosion protection approach is to change the nature of the anode so...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
... mechanical, chemical, electrochemical, and atomizing processes used in powder production, discusses powder treatments, and describes consolidation techniques along with secondary operations used to obtain special properties or improve dimensional precision. It also discusses common defects such as ejection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870045
EISBN: 978-1-62708-299-0
... electrochemical techniques. The electrochemical techniques used to investigate pitting corrosion include the simple monitoring of corrosion potential and its fluctuation with time due to pitting attack, potentiostatic tests, potentiodynamic tests (at relatively slow scan rates of a few millivolts per minute...
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
... hydrogen electrode with hydrogen ions at unity activity/concentration (a = 1, aqueous) Elements of the Process Atmospheric corrosion is an aqueous process, and its mechanism is electrochemical. There is not only a transfer of mass during the chemical reaction but also an interchange of charged...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... a change in the bulk material properties. As such, most are used off-line and do not provide real-time data, requiring measurement cycles of days to weeks. Corrosion rate techniques: linear polarization resistance, harmonic distortion analysis (HDA), and electrochemical noise (EN). The corrosion rate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030082
EISBN: 978-1-62708-282-2
... K. , A Comparison and Evaluation of Bare Surface Electrochemical Techniques for the Investigation of Stress Corrosion Cracking in Alpha Brass , Corros. Sci. , Vol 28 , 1988 , p 109 – 118 10.1016/0010-938X(88)90012-1 20. Pryor M.J. and Kar-Kheng G. , The Effect of Arsenic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... analytical chemistry Gravimetric/volumetric/ colorimetric/electrochemical/ atomic absorption techniques Quantitative chemical composition Relatively simple techniques and equipment requirements. Suitable for solid or liquid samples. Detection limits from 0.001 to 100%. Accuracy ±1% of detected level...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
..., Test Method for Electrochemical Measurement of Diffusible Hydrogen in Steels (Barnacle Electrode) • G 1, Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens • G 2, Test Method for Corrosion Testing of Products of Zirconium, Hafnium, and Their Alloys in Water at 680 °F...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940127
EISBN: 978-1-62708-302-7
... corrosion rate current density electrode half-cell reaction polarization If two or more electrochemical half-cell reactions can occur simultaneously at a metal surface, the metal acts as a mixed electrode and exhibits a potential relative to a reference electrode that is a function...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... Abstract This chapter focuses on the effects of microscopic organisms and the by-products they produce on the electrochemical corrosion of metals. It begins by considering the characteristics of organisms that allow them to interact with the corrosion processes, the mechanisms by which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350011
EISBN: 978-1-62708-315-7
... metals likely to be affected. It also discusses the selection and use of protective coatings and the tests that have been developed to measure their effectiveness. corrosion control corrosion testing electrochemical corrosion CORROSION of metal is a chemical or electrochemical process...