Selective Laser Sintering

Abstract

For a given material system, the laser energy density, Esis a key factor which affects quality of the laser sintered structure. A laser energy density is defined by the laser power, laser scan speed and laser beam spot size: (5.1){\$}{\$} {\{}E{\_}s{\}} = {\backslash}frac{\{}P{\}}{\{}{\{}v{\backslash}delta {\}}{\}}{\backslash}left( {\{}J/c{\{}m^2{\}}{\}} {\backslash}right) {\$}{\$}where P is the incident laser power (Watts), v, the laser scan speed (cm/s) and $δ$, the laser beam spot diameter (cm).