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The first successful CSI model for alloy systems was derived based on the special quasi-random structure approach[2] utilized for the study of Ni-Cr 22 alloy[3] and uses the first-principles thermodynamics approximation that allows the prediction of preferred chemisorption states in mixed media as a function of pH, electrochemical potential and chloride concentration[4]. Herein, we apply this method in search for combinations of elements that can provide the best corrosion resistance, under constraints of satisfying the high entropy alloy predictors of configurational entropy, valence electron concentration, atomic size difference[5] as well as cost efficiency cost should be on par with Stainless Steel Performance predictions will be compared with a parallel experimental program involving alloy synthesis, structural characterization and electrochemical characterization of the corrosion performance [6].

Fundamentals and Applications

Ke and C. Wei, L. Ferreira, J. Bernard, A.

Zunger, Electronic properties of random alloys: Special quasirandom structures, 42 Samin, C. Taylor, First-principles investigation of surface properties and adsorption of oxygen on NiCr and the role of molybdenum, Corros. Taylor, S. Li, A.

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Samin, S. Samin, Oxidation versus salt-film formation: Competitive adsorption on a series of metals from first-principles, Electrochim. Gao, J. Yeh, P. Liaw, Y.

Zhang, eds. Panindre, G.

Paper Titles. Sequential Casting of Functionally Graded Material p.

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New Materials for Dental Implantology p. Article Preview. Abstract: High Entropy Alloys HEAs represent a new concept of metallic materials, that contain 5 or more elements, in proportions from 5 at. Add to Cart. Key Engineering Materials Volume Main Theme:. Materials Research and Application II. Edited by:. Iulian Antoniac. Online since:. August Cited by.

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Related Articles. Paper Title Pages. Authors: Radu L. Orban, Mariana Lucaci. Fe addition brought about high temperature strengthening effect and formed a Ni-Fe compound in the liquid grainboudary phase of Ni3Al structure and Cr addition showed a retarded homogenization. The effects of milling time and heat treatment on the structure and morphology of the ball milled alloy were investigated. Single BCC solid solution structure appears when the alloy is ball milled more than 30h. The 60h ball milled alloy exhibits good chemical homogeneity.

Abstract: Aluminium alloys are commonly used lightweight construction materials. Spray-formed alloys, in particular, represent a group of materials with very high Si contents and a homogeneous distribution of primary Si and other alloying elements in solid solution and intermetallic compounds. The paper deals with current results of EB surface alloying and dispersing of such alloys using a high frequency beam deflection technique.

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The results concerning the interactions between the EB and the material and its effects on the layer microstructure, characteristic layer properties as well as detailed researches into friction and wear behaviour and future prospects for the technological transferability to industrial applications will be discussed. Authors: Zakhar O. Kozyr, Sergey V. The resulting structures were analyzed in great detail by metallographic analysis and by scanning electron microscopy SEM. Microstructure and hardness of these intermetallic compounds was studied through metallograph observation and micro hardness tests.

Their formation and strengthening mechanisms were analyzed and discussed in detail.