M. Mirić (Author), Rebeka Rudolf (Author), Ivan Anžel (Author), B. Hadžić (Author), Maja J. Romčević (Author), J. Trajić (Author), Nebojša Romčević (Author)

Abstract

Chemically pure copper (99.99) prepared in the sample of square cross-section (10 x 10 mm2) and length about 50 mm was extremely plastically deformed with the repeated application of equal channel angular pressing. Equal channel angular pressing was applied as an effective technique for producing bulk nanoscaled structures. It is well known that severe plastic deformation of metallic materials often leads to microstructure with ultrafine grains and cross-sections which remain about equal before and after deformation. Optical properties of the sample were studied using spectroscopic ellipsometry in UV-VIS range. The parameters of the sample like copper oxide and surface roughness overlayer were calculated using two-film model together with the Bruggeman effective medium approximation.

Keywords

hydrometallurgical extraction of metals;copper;

Data

Language: English
Year of publishing:
Typology: 1.08 - Published Scientific Conference Contribution
Organization: UM FS - Faculty of Mechanical Engineering
UDC: 669
COBISS: 13589526 Link will open in a new window
ISSN: 0587-4246
Views: 1380
Downloads: 115
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Other data

Secondary language: English
URN: URN:SI:UM:
Pages: str. 715-717
Volume: ǂVol. ǂ116
Issue: ǂno. ǂ4
Chronology: Oct. 2009
Keywords (UDC): applied sciences;medicine;technology;uporabne znanosti;medicina;tehnika;chemical technology;chemical and related industries;kemijska tehnologija;kemijske in sorodne industrije;metallurgy;metalurgija;
ID: 1438661
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