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unit 45: typical materials, image, image, image, image, image, image,…
unit 45: typical materials
METALS
GOLD
properties: conducts heat and electricity , ductile , highly reflective of heat and light, malleable.
AM: this is used in direct metal laser sintering.
STEEL
Properties: High tensile strength , low cost , high strength, low weight. good strength to weight ratio.
AM: This is could be used in layer by layer consolidation of power ( 3D \printing)
TITANIUM
Properties: ductile , high strength , toughness , low density and good corrosion resistance.
AM: this is could be used in direct energy deposition
ALUMINIUM
Properties: easily rolled, resistant against forms of corrosion , good thermal and electrical conductor, non magnetic and non lustrous
AM: selective laser melting
SILVER
Properties: melting point - 960.8 degrees, atomic number is 47 , good conductor of heat, ductile and malleable.
AM: used in Precious metal additive manufacturing
POLYMERS
PLA (Polylactic Acid)
High deflection temperature. tensile strength, flexural strength
used in fused filament fabrication
Polyamides
high abrasion resistance, high temp and electrical resistance
used in fused deposition modelling
ABS (Acrylonitrile butadiene styrene)
Properties: good impact resistance, heat resistance, chemical resistance, good tensile strength and surface hardness.
used in Fused deposition modelling
COMPOSITES
Epoxy resins
high strength, low shrinkage , effective electrical insulation, good adhesion to various substrates
used in photopolymerization, material jetting and powder bed fusion.
Glass filers with polymers
high rigidity and tensile strength, high impact strength
used in material jetting
Carbon fibre
high tensile strength , high strength to weight ration , light weight , high chemical resistance
used in composite based additive manufacturing
