Study of Local Mechanical Properties of Fe78Al22 Alloy

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Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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BURŠÍKOVÁ Vilma HOMOLA Vojtěch JIRÁSKOVÁ Y. PIZÚROVÁ N. MIHÁLIKOVÁ I. FRIÁK M. KOUTNÁ N. SLÁVIK A. HOLEC D. ŠOB Mojmír

Rok publikování 2018
Druh Článek ve sborníku
Konference Key Engineering Materials
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Doi http://dx.doi.org/10.4028/www.scientific.net/KEM.784.27
Klíčová slova nanoindentation; Fe78Al22; hardness; elastic modulus; mechanical property mapping; quantum-mechanical calculation; electron backscatter diffraction
Popis The local mechanical properties of Fe78Al22 alloy were studied using nanoindentation techniques. Sharp Berkovich indenter was used to perform load-controlled nanoindentation experiments on the studied sample. Hardness and elastic modulus maps were created on the basis of the indentation tests carried out in different grains. The focus of the work was to study the dependence of mechanical properties on the grain orientation. The results were in good agreement with quantum-mechanical calculations of anisotropic elastic properties of the studied alloy. It was explained that the maximum detected elastic modulus values are likely for grains with [111] crystallographic orientations which we theoretically identified as the hard ones.
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