Microscopic characterization of metallic surfaces by photoinduced thermoelastic bumps

A non contact technique is presented, that provides information on thermal properties at the cubic micron scale in metal surfaces. It makes use of the appearance of bumps originated in the thermoelastic deformation of the surface induced by laser heating with a modulated beam. The heat diffusion and...

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Detalles Bibliográficos
Autores principales: Martínez, O.E., Balzarotti, F., Mingolo, N.
Formato: CONF
Materias:
Alloys
Deformation
Heat treating furnaces
Heat treatment
Laser heating
Lasers
Liquid metals
Metallic compounds
Metallic glass
Metals
Modulation
Quenching
Surface analysis
Surface diffusion
Surface treatment
Technology
Thermal expansion
Thermal spraying
Thermodynamic properties
Thermoelasticity
Analytical modelling
Beam diameters
Critical frequencies
Heat diffusions
International Federation for Heat Treatment
Knife edge
Laser modulation
Local heating
Metal surfaces
Metallic glasses
Metallic surfaces
Micron-scale
Microscopic characterization
Modulation period
Non-contact
Photo-induced
Reflected signals
Surface deformations
Surface engineering
Thermal properties
Surface properties
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_39013841_v_n_p490_Martinez
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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