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Temporal Evolution of Incipient Damage on Metallic Surfaces Analyzed by Unidirectional Laser Oblique Illumination (ULOI)

Published online by Cambridge University Press:  14 March 2018

Eduardo A. Favret ,
Néstor O. Fuentes  and
Lisandro Ferrero
Eduardo A. Favret*
Affiliation:
Centro de Investigaciones de Recursos Naturales (CIRN)., Instituto de Tecnología Agropecuaria (INTA), Buenos Aires. Argentina Univ. Nacional de Gral San Martin, Buenos Aires. Argentina
Néstor O. Fuentes*
Affiliation:
Univ. Nacional de Gral San Martin, Buenos Aires. Argentina Comisión Nacional de Energía Atómica, Buenos Aires. Argentina
Lisandro Ferrero
Affiliation:
Univ. Nacional de Gral San Martin, Buenos Aires. Argentina
*
eafavret@cnia.inta.gov.ar
Nestor.Fuentes@cnea.gov.ar

Extract

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To one degree or another, most materials experience some type of interaction with a large number of diverse environments. Often, such interactions impair a material's usefulness as a result of the deterioration of its mechanical properties (e.g., ductility and strength), other physical properties, or appearance. Deteriorative mechanisms are different for metals, ceramic materials, and polymers. In metals, there is actual material loss either by dissolution (corrosion) or by the formation of non-metallic scale or film (oxidation).

Everyday objects and structures are made of well known metals like aluminium, brass, bronzes, copper, titanium, zinc.

Type
Research Article
Information
Microscopy Today , Volume 15 , Issue 4 , July 2007 , pp. 36 - 39
Copyright
Copyright © Microscopy Society of America 2007

References

Favret, E., Povolo, F. and Canzian, A. (1999): Determination of Crystal Orientations in Aluminium by Means of Unidirectional Laser Oblique Illumination (ULOI). Practical Metallography. 36, 206–215.CrossRefGoogle Scholar
Favret, E. and Povolo, F. (2001): The linear rugosity concept of crystalline surfaces by using the Unidirectional Laser Oblique Illumination (ULOI) technique, Microscopy Research and Technique. 55, No. 4, 270–281.CrossRefGoogle ScholarPubMed
Favret, E. (2002): Analysis of the Intensity Curves obtained by the Unidirectional Laser Oblique Illumination (ULOI) at different magnifications, Microscopy and Microanalysis. 8, 182–190.Google Scholar