SLS / SLM Flashcards
Selective Laser Sintering / Melting technologies
SLS / SLM could be used in…
Medicine / Dental, Reproduction of cultural heritage, Net shape objects, Jewelry
Hausner ratio < 1.25
Good flow
Hausner ratio 1.25 - 1.5
Moderate
Hausner ratio > 1.5
Poor flow
SLS key factors
Sintering + Powder + Processing parameters
SLS (Selective Laser Sintering) used in…
Plastics, Ceramics, Glass, Glass-Ceramics
SLM (Selective Laser Melting) used in…
Metal, and Metal-Alloys
Angle of repose < 25
Excellent flow, non-cohesive powder
Angle of repose 25 - 30
Good flow - non-cohesive powder
Angle of repose 30 - 40
Passable flow - cohesive powder
Angle of repose > 40
Very poor flow - very cohesive powder
Cohesive, definition:
of or relating to the molecular force within a body or substance acting to unite its parts.