1st International Laser M2P Conference
J. Phys. Colloques 48 (1987) C7-135-C7-138
DOI: 10.1051/jphyscol:1987724
METASTABLES STRUCTURES IN LASER SURFACE MELTED ALLOYS
J.M. PELLETIER et D. PERGUEGroupes d'Etudes de Métallurgie Physique et de Physique des Matériaux, (CNRS LA-341), INSA-LYON, Bâtiment 502, F-69621 Villeurbanne Cedex, France
Abstract
Rapid solidification by laser annealing enables the obtention of non-equilibrium phases. Surface vitrification is obtained in alloys with a suitable composition (for example Pd-Si-Cu), but cracks are observed. Hardening microstructures are formed in low carbon steels.