Colour evolution of the oxide layer formed on the Au-25Fe AND Au-24.5Fe-0.5Co

Colour evolution of the oxide layer formed on the Au-25Fe AND Au-24.5Fe-0.5Co

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The colour theory proposed by Heavens in 1991 has been applied to calculate the thickness of magnetite thin layers, Fe3 O4 , which were obtained by heat treatment at 250 °C in a gold alloy (Au-24.5Fe-0.5Co). The reflectance spectra obtained from the polished samples with different oxidation (and co...

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Bibliographic Details
Main Authors: Sandra Milena Restrepo-Arcila, Alejandro Iván Echavarría-Velásquez, Marco Antonio Giraldo Cadavid, Jorge Andrés Calderón-Gutierrez, Héctor Darío Sánchez-Londoño
Format: Article
Language:English
Published: Universidad de Antioquia 2016-03-01
Series:Revista Facultad de Ingeniería Universidad de Antioquia
Subjects:
oxide layer
coloured gold alloys
colour theory
magnetite
Online Access:https://revistas.udea.edu.co/index.php/ingenieria/article/view/23364

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