The aims of this study were to compare the mode of debonding (adhesive or cohesive) of laser-etched Ni-Cr alloy (Wiron 99) to a standard sandblasting technique, and to a combination of sandblasting and laser etching. The etched surfaces were examined using optical and electron microscopy techniques.
Laser Photonics Group, Department of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK. andrea.murray@manchester.ac.uk