PBF materials. Nylon. Metal. 3D-printed materials.
Powder Bed Fusion materials — SLS/MJF nylon, DMLS titanium/Inconel/aluminum/stainless. Material selection drives performance, surface finish, cost.
Powder bed fusion materials
SLS: laser sintering. MJF: multi-jet fusion (HP). MJF faster, slightly different mechanical. Both PA12.
Key principles.
SLS/MJF standard
Most common PBF plastic. Functional prototype to production-grade.
Stiffness
30% glass filler triples modulus. For functional applications.
Flexible
Thermoplastic urethane. Flexible, abrasion-resistant. Specialty PBF.
Aerospace metal
DMLS titanium. Aerospace structural, medical implants.
Aerospace superalloy
DMLS Inconel. Engine parts, high-temperature.
Lightweight metal
DMLS aluminum. Automotive, aerospace structural.
FAQ
SLS: laser sintering. MJF: multi-jet fusion (HP). MJF faster, slightly different mechanical. Both PA12.
Ra 5-15 µm as-built. Bead blast Ra 3-6 µm. CNC machine critical features for ±0.025 mm.
PBF nylon 80-90% injection molded equivalent. DMLS metals approach (90%) wrought.
Standard for DMLS — anneal, age. Brings properties up to wrought equivalent for structural applications.
PA12 ~$80/kg powder. DMLS Ti $400-800/kg. Inconel $300-600/kg. Premium pricing.
PBF production-grade for low-medium volume (1-1000 parts). High volume CNC or molding cheaper.
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