Editorial CorrosionofNonferrousMetalsandTheirAlloysin Dislocation Etchant,” by Muhammad Rifai,...
Transcript of Editorial CorrosionofNonferrousMetalsandTheirAlloysin Dislocation Etchant,” by Muhammad Rifai,...
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EditorialCorrosion of Nonferrous Metals and Their Alloys
Alicia E. Ares ,1 Raúl B. Rebak,2 Marı́a V. Biezma ,3 and Claudia M. Méndez 4
1Instituto de Materiales de Misiones (IMAM), Consejo Nacional de Investigaciones Cient́ıficas y Técnicas (CONICET),Universidad Nacional de Misiones (UNaM), Posadas, Misiones, Argentina2GE Global Research, Schenectady, NY, USA3Universidad de Cantabria, Santander, Spain4Universidad Nacional de Misiones, Posadas, Misiones, Argentina
Correspondence should be addressed to Alicia E. Ares; [email protected]
Received 13 March 2018; Accepted 14 March 2018; Published 31 May 2018
Copyright © 2018 Alicia E. Ares et al. %is is an open access article distributed under the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Corrosion is the result of the interaction of a material (metal)with its environment.
%e corrosion process depends on the properties of bothmetal (and alloy) and surrounding environment. Usually,the more important factors causing corrosion are concen-tration of aggressive species (e.g., chloride), acidity (pH),fluid velocity, temperature, and potential (oxidizing power).
Steel and other ferrous alloys are consumed in ex-ceedingly large quantities because they have such a widerange of mechanical properties, may be fabricated withrelative ease, and are economical to produce. However, steelshave some distinct limitations, chiefly a relatively highdensity, a comparatively low electrical conductivity, andan inherent susceptibility to corrosion in some commonenvironments.
%us, for many applications, it is advantageous or evennecessary to use other alloys that have more suitableproperty combinations. Alloy systems are classified eitheraccording to the base metal or according to some specificcharacteristic that a group of alloys shares. Authors wereinvited to submit original research articles and reviews forthis special issue that included all aspects of the corrosionprocess of the following metal and alloy systems: aluminum,copper, magnesium, and titanium alloys; the refractorymetals; the superalloys; the noble metals; and miscellaneousalloys, including those that have nickel, lead, tin, zirconium,and zinc as base metals.
%e papers published in this special issue are as follows:
(i) “Synthesis of Copper Oxide Aided by SelectiveCorrosion in Cu Foils,” by Roberto Baca Arroyo.
%e authors present the synthesis of Cu oxide filmsaided by selective corrosion of Cu foils with a sub-sequent heating process in air atmosphere at lowtemperatures.
(ii) “Effects of Alloying Elements (Cr, Mn) on CorrosionProperties of the High-Strength Steel in 3.5% NaClSolution,” by BomiKim, Soojin Kim, and HeesanKim. %e authors study the effects of manganese andchromium on corrosion resistance of highmanganesesteels by examining the rust properties with X-raydiffraction (XRD), Raman spectroscopy, energy dis-persive spectroscopy (EDS), and electron energy lossspectroscopy (EELS) adjunct to transmission electronmicroscopy (TEM).
(iii) “Transition of Dislocation Structures in SeverePlastic Deformation and Its Effect on Dissolutionin Dislocation Etchant,” by Muhammad Rifai,EbadBagherpour, Genki Yamamoto, MotohiroYuasa, and Hiroyuki Miyamoto. %e authors an-alyse the effect of SSE passes on the dissolutionemploying the modified Livingston etchant, whichis very sensitive to dislocations.
(iv) “Effect of Partial Cladding Pattern of Aluminum7075 T651 on Corrosion and Mechanical Proper-ties,” by Rendell, Hsiao, and Shirokoff. %e authorsestimate the clad spot to determine dimensions fora two-dimensional aluminum alloy array.
(v) “Effect of Molybdenum on the Corrosion Behaviorof High-Entropy Alloys (HEAs) CoCrFeNi2 and
HindawiAdvances in Materials Science and EngineeringVolume 2018, Article ID 8929512, 2 pageshttps://doi.org/10.1155/2018/8929512
mailto:[email protected]://orcid.org/0000-0001-5384-8476http://orcid.org/0000-0002-0709-7656http://orcid.org/0000-0002-4475-1020https://doi.org/10.1155/2018/8929512
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CoCrFeNi2Mo0.25 under Sodium Chloride AqueousConditions,” by Alvaro Rodriguez, Joseph Tylczak,Michael Gao, Paul D. Jablonski, Martin Detrois,Margaret Ziomek-Moroz, and Jeffrey Hawk. %eauthors investigate the corrosion behavior of high-entropy alloys (HEAs) CoCrFeNi2 and CoCrFe-Ni2Mo0.25 in 3.5 wt. percent sodium chloride (NaCl)at 25°C by electrochemical methods.
Alicia E. AresRaúl B. Rebak
Maŕıa V. BiezmaClaudia M. Méndez
2 Advances in Materials Science and Engineering
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