RAS as a remote sensor of plastic deformation in metals

摘要: School of Physics and Centre for Materials Science Engineering, University Edinburgh, EH9 3JZ, United Kingdom Received 5 June 2005, revised 4 August accepted 9 2005 Published online 29 November PACS 62.20.Fe, 78.20.Hp, 78.40.Kc The optical anisotropy copper samples undergoing tensile testing is investigated using reflection anisot-ropy spectroscopy (RAS). amplitudes specific RAS spectral features are found to vary differently with strain, indicating sensitivity distinct piezo-optic mechanisms.