Publication | Closed Access
Absorptance of powder materials suitable for laser sintering
492
Citations
3
References
2000
Year
Laser Processing (Laser Material Processing)EngineeringLaser ApplicationsLaser MaterialPolymer PowdersNormal Spectral AbsorptancePowder CompactionCeramic PowdersHigh-power LasersOptical PropertiesLaser ManufacturingMaterials SciencePowder MetallurgySintering ProcessLaser SinteringLaser Processing TechnologyLaser DesignMicrostructureAdvanced Laser ProcessingSinteringLaser Processing (Business Administration)Applied PhysicsCeramics MaterialsLaser-surface Interactions
Abstract The normal spectral absorptance of a number of metal, ceramic and polymer powders susceptible to be utilised for selective laser sintering (SLS) technique was experimentally determined. The measurements were performed with two laser wavelengths of 1.06μm and 10.6μm obtained by using two lasers – Nd‐YAG and CO2 respectively. The change in the powder absorptance with time during laser processing was also investigated. The effect of the absorptance characteristics on the sintering process is discussed.
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