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Keywords: galvanic corrosion
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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2023
ISBN: 978-0-8031-7733-8
..., and crack nucleation and growth. Results demonstrate highest galvanic corrosion rates at high humidity, distinct differences in the effect of wetting and drying processes on crack growth, and peak crevice corrosion and crack growth rates during drying. The atmospheric environmental cracking test system...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7134-3
... This chapter discusses the basic electrochemical principles behind galvanic corrosion, including electrochemical reactions, the generation and use of a galvanic series, mixed potential theory and how it applies to the effects of varying the anode-cathode area ratio, effects of electrolyte flow...
eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7134-3
... for assessing susceptibility to localized corrosion, scratch repassivation and potential-step repassivation. (3) Local scanning probes for investigating galvanic corrosion, specifically the scanning vibrating electrode technique (SVET) and scanning electron microscope (SECM). (4) Environmentally assisted...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2012
ISBN: 978-0-8031-7515-0
... clearly provide an explanation for why the radiation-enhanced corrosion of Zircaloy only occurs in BWRs but not PWRs. Based on galvanic corrosion, impedance, and transmission electron microscopy analysis, it is proposed that the defect structure of equiaxed grain layers may be responsible...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2896-7
ISBN: 978-0-8031-2896-5
... even better than anticipated. The corrosion data obtained from 23 sites correlate well with published laboratory test data. weathering steel corrosion performance tubular utility structures pack-out galvanic corrosion Myron L. Hoitomt1 Performance of Weathering Steel Tubular Structures...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2878-9
ISBN: 978-0-8031-2878-1
... in the cooling water will aid in corrosion control of the aluminum piping. corrosion irradiation inertia weld weld pitting interface galvanic corrosion aluminum stainless steel spallation Kerry A. Dunn, l McIntyre R. Louthan, Jr., 1 John I. Mickalonis, l Stuart Maloy,2 and Michael R. James2...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1894-5
ISBN: 978-0-8031-1894-2
... of the results on pure titanium, titanium alloy, and stainless steel are given. titanium titanium alloy corrosion galvanic corrosion fatigue life Y. Higo ~and Y. Tomita 2 Evaluation of Mechanical Properties of Metallic Biomaterials REFERENCE: Higo, Y. and Tomita, Y., "Evaluation of Mechanical...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1852-X
ISBN: 978-0-8031-1852-2
... activity. While galvanic corrosion may also occur between the mechanically depassivated and the passive sites of implant metal surfaces, more considerable galvanic corrosion can be expected if the metal undergoing fretting wear is in contact with a carbon-fiber composite, depending on the anodic/cathodic...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1491-5
ISBN: 978-0-8031-1491-3
... Galvanic compatibility between graphite/epoxy (Gr/epoxy) composites and metals (HY80 and nickel aluminum bronze (NAB)) was evaluated in galvanic couple tests and in accelerated electrochemical tests in seawater for 180 days. Results indicate that significant galvanic corrosion of NAB and HY80...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1432-X
ISBN: 978-0-8031-1432-6
... impressed current cathodic protection system is presented. computational simulation corrosion cathodic protection galvanic corrosion boundary element finite element corrosion analysis V. Gensheimer DeGiorgi I, A. I. Kaznoff 2 A REVIEW OF COMPUTATIONAL SIMULATION TECHNIQUES BEFEBZNCEz DeGiorgi...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1473-7
ISBN: 978-0-8031-1473-9
... The last decade and a half has seen the development of the discipline of computational corrosion analysis. The joining of electrochemical theory, numerical methods, and computer technology has facilitated rigorous quantitative evaluation of galvanic corrosion systems that now obviates trial...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1398-6
ISBN: 978-0-8031-1398-5
... involved, tables representing the data collected, and the expectations for the future. Statue of Liberty corrosion atmospheric corrosion galvanic corrosion copper iron stainless steel copper alloys patina brochantite antlerite E. Blaine Cliver I and Robert Baboian 2 Life Expectancy...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... Galvanic corrosion can be defined simply as that corrosion that occurs as a result of one metal being in electrical contact with another in a conducting corrosive environment. The corrosion is stimulated by the potential difference that exists between the two metals, the more noble material...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... corrosion. galvanic corrosion semiconductor oxides metal oxides metal sulfides pitting crevice corrosion S. Mark Wilhelm^ Galvanic Corrosion Caused by Corrosion Products REFERENCE: Wilheim, S. M., "Galvanic Corrosion Caused by Corrosion Products," Galvanic Corrosion. ASTM STP 978, H. P. Hack...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... is primarily responsible for the establishment of galvanic couples at the steel/coating interface, resulting in the generation and absorption of hydrogen in the steel. Data from hydrogen permeation and galvanic corrosion experiments are used to establish a model for hydrogen generation in coated tensile...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... of potential-independent current density and linearly potential-dependent current density. The distribution of galvanic corrosion has been calculated within a heat-exchanger system consisting of a cathodic tube-bundle and tubeplate connected via a copper-alloy header to a 7-m long copper-alloy pipe...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... are interested in using numerical modeling to analyze their corrosion problems. An example of the numerical analysis of galvanic corrosion is given. Factors affecting the accuracy of these methods are discussed. galvanic corrosion computers simulation numerical analysis finite element boundary element...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... The computer simulation of galvanic corrosion systems has been shown to provide accurate information that can be used to improve design and avoid costly failure. The systems capability to model any general geometry coupled with the ability to accept a wide variety of forms of polarization data...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... Galvanic corrosion predictions for heat exchanger tube/tubesheet galvanic couples are presented and discussed. The predictions were performed using finite element analysis using two programs, WECAN and MARC, and by Wagner number analysis under conditions of secondary and tertiary current...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0981-4
ISBN: 978-0-8031-0981-0
... The test method for assessing galvanic corrosion that is described in this paper is applicable to bare metals. Its main advantages over existing techniques are that the results are quantitative and require only a short exposure period—typically 90 days—in the environment of interest. The test...