EOS Aluminum Al2139 AM for EOS M 290 | 60 µm

EOS M 290 - 60 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 290
EOS Material set	Al2139AM_060_CoreM291_110
Software Requirements	EOSPRINT 2.7 or newer EOSYSTEM 2.11 or newer
Recoater Blade	HSS (High Speed Steel)
Nozzle	EOS Grid Nozzle
Inert gas	Argon
Sieve	75 µm

Additional Information
Layer Thickness	60 µm
Volume Rate	7.2 mm³/s
Wall Thickness	0.4 mm

Chemical and Physical Properties of Parts

The chemical properties of the parts are the same as that of the powder.

Example Caption

Microstructure of the Produced Parts

Defects	Thickness	Result	Number of Samples
Average Defect Percentage	60 µm	0.2-0.3 %	-

Density EN ISO 3369	Thickness	Result	Number of Samples
Average Density	60 µm	≥ 2.84 g/cm³	-

Mechanical Properties

Mechanical Properties Heat Treated

EN ISO 6892-1 Room Temperature	Yield Strength [MPa]	Tensile Strength [MPa]	Elongation at Break [%]	Reduction of Area Z [%]	Number of Samples
Vertical	460	520	4	-	-
Horizontal	460	540	6	-	-

Mechanical Properties

Mechanical Properties As Manufactured

EN ISO 6892-1 Room Temperature	Yield Strength [MPa]	Tensile Strength [MPa]	Elongation at Break [%]	Reduction of Area Z [%]	Number of Samples
Vertical	350	380	6	-	-
Horizontal	350	380	8	-	-

Hardness

Heat Treated
Value	162
Unit	HBW 2.5/62.5

As Manufactured
Value	112
Unit	HBW 2.5/62.5

Elevated temperature properties

Electrical Conductivity

ASTM E1004-17	Orientation	Typical Electrical Conductivity [%IACS]
Heat Treated / 20 µm / Application optimised - Inductors	Vertical	1-2
Heat Treated / 20 µm / Application optimised - Inductors	Horizontal	> 3

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