1-20 of 300 Search Results for

electrochemical kinetics

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003584
EISBN: 978-1-62708-182-5
...Abstract Abstract Corrosion of metallic materials is governed by electrochemical kinetics, so that the general concepts developed for studying electrochemical reaction mechanisms may be applied to corrosion. This article presents the fundamental aspects of electrode kinetics. The processes...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003583
EISBN: 978-1-62708-182-5
...Abstract Abstract This article provides a general introduction to the kinetics of aqueous corrosion with an emphasis on electrochemical principles. It describes the thermodynamic basis for corrosion by determining the equilibrium potentials of electrochemical reactions from the Nernst equation...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003577
EISBN: 978-1-62708-182-5
... followed by a group of articles discussing the fundamentals of aqueous corrosion kinetics. The fundamentals of gaseous corrosion are addressed next. The fundamental electrochemical reactions of corrosion and their uses are finally described. corrosion aqueous corrosion corrosion kinetics gaseous...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003604
EISBN: 978-1-62708-182-5
...Abstract Abstract Principles of metallic corrosion play a fundamental role in developing industrial processes that employ corrosion for constructive purposes. This article examines the changes in kinetics that occur with differentially small potential changes around the equilibrium electrode...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003579
EISBN: 978-1-62708-182-5
...Abstract Abstract The electrode potential is one of the most important parameters in the thermodynamics and kinetics of corrosion. This article discusses the fundamentals of electrode potentials and illustrates the thermodynamics of chemical equilibria by using the hydrogen potential scale...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003578
EISBN: 978-1-62708-182-5
... Measurements with Reference Electrodes”). However, when dealing with the kinetics of electrochemical reactions (see the article “Kinetics of Aqueous Corrosion” in this Volume), the metal-electrolyte interface represents an energy barrier that must be overcome. Thus, reactions at the interface are often...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003601
EISBN: 978-1-62708-182-5
..., including the metal anode, becomes a complex process and relies on many electrochemical kinetics techniques that relate current and potential, similar to approaches used in corrosion science but with different objectives. Because of the need to consider both potential and current at a specified external...
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
... on metals. Electrode Reaction Thermodynamics and Kinetics in Corrosion Metallic corrosion is usually an electrochemical process. Electrochemical processes require anodes and cathodes in electrical contact as well as an ionic conduction path through an electrolyte. The electron flow between the anodic...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003715
EISBN: 978-1-62708-182-5
...). It does not predict at what rate these changes can or will occur: this is the area of kinetics. However, knowing from thermodynamics what reactions are possible is a necessary step in the attempt to understand, predict, and control corrosion. Electrochemical Reactions Corrosion of metals and alloys...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003620
EISBN: 978-1-62708-182-5
...-M 32. Fritz J.D. and Pickering H.W. , Selective Anodic Dissolution of Cu-Au Alloys: TEM and Current Transient Study , J. Electrochem. Soc. , Vol 138 , 1991 , p 3209 – 3218 10.1149/1.2085394 33. Ateya B.G. , Fritz J.D. , and Pickering H.W. , Kinetics...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003828
EISBN: 978-1-62708-183-2
... phases based on electrochemical thermodynamics. [1] If the electrochemical potential and solution pH are known, the Pourbaix diagram will show the equilibrium phase of uranium (e.g., UO 2 is expected at pH 7 and −1 V SCE , SCE is the saturated calomel reference electrode). However, the kinetics...
Book Chapter

By Jerome Kruger
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003585
EISBN: 978-1-62708-182-5
... and the Pourbaix diagram. The article presents a potential-pH diagram for the iron-water system and an illustration of an idealized anodic polarization curve for a metal surface, which serves as a basis for describing the kinetics of passivation. It discusses five properties of passive films: thickness...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003677
EISBN: 978-1-62708-182-5
... of these metals to allow relatively fast cathodic reaction rates while limiting the reaction rate of the anodic reactions ( Ref 19 ). Limited anodic reaction rates result from the formation of thermodynamically or kinetically stable oxide films. Such oxide films reduce reactivity and enhance corrosion resistance...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006372
EISBN: 978-1-62708-192-4
..., the corrosion potential recovers its initial value when the worn area repassivates. The magnitude of the drop in corrosion potential is influenced by the intrinsic corrosion potentials of the worn and unworn surfaces, the ratio between the worn and unworn surface areas, and the mechanisms and kinetics...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003836
EISBN: 978-1-62708-183-2
... and lattice parameter can change electrochemical properties ( Ref 54 ). Global electrochemical kinetics were altered by chemical heterogeneity during relaxation of Ni-Pd-Si glasses ( Ref 55 ). Nanometer-scale corrosion-induced porosity of the amorphous substrate was observed on a heat treated amorphous...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003595
EISBN: 978-1-62708-182-5
...Abstract Abstract Electropolishing is an electrochemical process that involves anodic dissolution of a metal specimen (anode electrode) in an electrolytic cell. This article reviews the two-electrode and three-electrode systems for electropolishing. It presents the equations of anodic reactions...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003686
EISBN: 978-1-62708-182-5
...Abstract Abstract This article focuses on the pack-cementation coatings, in particular, halide-activated pack cementation coatings on nickel alloys. It also describes the thermodynamics and kinetics of, and simultaneous deposition of various types of, pack cementation processes. These include...
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
... are the extracellular human 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...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003709
EISBN: 978-1-62708-182-5
...Abstract Abstract This article presents common conventions and definitions in corrosion, electrochemical cells, cathodic protection (CP), electricity, and oxidation. Evans diagrams for impressed current CP in neutral or basic environment and galvanic or sacrificial CP, in both neutral or basic...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003605
EISBN: 978-1-62708-182-5
.... Chin R.J. and Nobe K. , Electrodissolution Kinetics of Iron in Chloride Solutions , J. Electrochem. Soc. , Vol 119 ( No. 11 ), 1972 , p 1457 10.1149/1.2404023 9. Katrevick A.N. , Florianovich G.M. , and Kolotyrkin Ya.M. , Clarification of the Kinetic Parameters...