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FITTING OF ELASTIC MODULUS ON THE INTERFACE BETWEEN TWO MATERIALS
 Kocmanová, Lenka ; Materna, A. ; Haušild, P. ; Matějíček, Jiří
The paper is aimed to determinate of Young modulus near a sharp interface. The 3D elastic numeric model was used for prediction of the Young modulus. The simulated specimen was composed of tungsten and steel. The interface was plane which a normal vector was perpendicular to the indentation force. The indenter geometry for which numerical solutions were accomplished was a rounded cone indenter. An indentation depth is studied as function of a distance indenter-interface. The distance was normalized by depth of indentation. All values of Young modulus lay on one curve after distance normalization due to elasticity. The curve was fitted by inverse beta function. The curve determine the size of area of one material influenced by a second material.
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