EOS Aluminium Al2139 AM for EOS M 400-4 | 50 µm

EOS M 400-4 - 50 µm - TRL 3

Process Information Metal

High performance process with good microstructure and excellent mechanical properties and low anisotropy after heat treatment. Good mechanical properties at elevated temperatures in heat treated condition. Process offers good buildability of small features with soft recoating. Part and support design for high strength aluminium is required.

System Setup	EOS M 400-4
EOS Material set	Al2139AM_050_CoreM404
Software Requirements	EOSPRINT 2.10 or newer EOSYSTEM 2.14 or newer
Recoater Blade	HSS (High Speed Steel)
Build Platform Temperature	195 °C
Inert gas	Argon
Sieve	75 µm

Additional Information
Layer Thickness	50 µm
Volume Rate	up to 4 x 5.0 mm³/s
Wall Thickness	0.4 mm

Chemical and Physical Properties of Parts

Micrograph etched as manufactured

Microstructure of the Produced Parts

Defects	Thickness	Result	Number of Samples
Average Defect Percentage	50 µm	0.1 %	-

Density EN ISO 3369	Thickness	Result	Number of Samples
Average Density	50 µm	≥ 2.84 g/cm³	-

Mechanical Properties

Mechanical Properties Heat Treated

EN ISO 6892-1 Room Temperature \| 50 µm	Yield Strength [MPa]	Tensile Strength [MPa]	Elongation at Break [%]	Reduction of Area Z [%]	Modulus of elasticity [GPa]	Number of Samples
Vertical	450	530	6	-	-	-
Horizontal	460	550	7	-	-	-

Mechanical Properties As Manufactured

EN ISO 6892-1 Room Temperature \| 50 µm	Yield Strength [MPa]	Tensile Strength [MPa]	Elongation at Break [%]	Reduction of Area Z [%]	Modulus of elasticity [GPa]	Number of Samples
Vertical	380	430	8	-	-	-
Horizontal	380	430	10	-	-	-

Hardness

EN ISO 6506-1 Heat Treated
Value	168
Unit	HBW 2.5/62.5

EN ISO 6506-1 As Manufactured
Value	115
Unit	HBW 2.5/62.5

Elevated temperature properties

Elevated temperature properties

Elevated temperature tensile testing of EOS Aluminium
Al2139 AM (T4) and a wrought grade reference material
(T6 HT state) according to EN 2002-002.

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