Title :
Detection of plastic deformation in metals with photoacoustic microscope
Author :
Luukkala, M. ; Askerov, S.G.
Author_Institution :
University of Helsinki, Department of Physics, Helsinki, Finland
Abstract :
The detection of plastic deformation of polycrystalline metal samples like brass and aluminium using a photoacoustic microscope is reported. The method can also be used to monitor the effect of heat treatment and perhaps even to reveal the stamped images on archaeological coins.
Keywords :
acoustic microscopes; plastic deformation; heat treatment; photoacoustic microscope; plastic deformation; polycrystalline metal; scanning microscopes;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800064