Accession Number : ADA141096

Title :   Mathematical Modelling of Laser/Material Interactions.

Descriptive Note : Final rept. 1 Jan 82-1 Nov 83,

Corporate Author : IMPERIAL COLL OF SCIENCE AND TECHNOLOGY LONDON (ENGLAND) DEPT OF METALLURGY AND MATERIALS SCIENCE

Personal Author(s) : Steen,W M ; Mazumder,J

PDF Url : ADA141096

Report Date : 25 Nov 1983

Pagination or Media Count : 92

Abstract : The development of a detailed finite difference model of laser/material heat transfer is described. The model allows for thermal conduction, surface convection and radiation, variation in thermal properties, latent heat, keyhole formation and has some allowance for convection in the melt pool. It accounts for plasma interference but does not discuss the physical mechanisms involved within a keyhole. Some applications are described. (Author)

Descriptors :   *Mathematical models, *Lasers, *Laser welding, *Cladding, Heat treatment, Solidification, Heat transfer, Finite difference theory, Conduction(Heat transfer), Surface properties, Convection(Heat transfer), Radiation, Thermal properties, Latent heat, Melts, Plasmas(Physics), Fluid flow, Reflectivity, Laser beams

Subject Categories : Lasers and Masers
      Numerical Mathematics
      Mfg & Industrial Eng & Control of Product Sys

Distribution Statement : APPROVED FOR PUBLIC RELEASE