Materion AMC225XE T4 Aluminum/Silicon Carbide MMC Extruded Bar

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Materion AMC225XE T4 Aluminum/Silicon Carbide MMC Extruded Bar (discontinued **)
Categories:	Metal; Metal Matrix Composite; Nonferrous Metal; Aluminum Alloy
Material Notes:	Aluminium alloy 2124 reinforced with 25 volume % silicon carbide particles (average size 3 micron). It is manufactured by a powder metallurgy route using high-energy mixing to ensure excellent particle distribution and to enhance mechanical properties. Good machinability - use diamond tools and high feed/speed for best results. Information provided by Aerospace Metal Composites Limited (AMC), acquired by Materion in 2012.
Key Words:	Silicon Carbide Particle Reinforced Aluminium; Al/SiC, AlSiC
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Physical Properties	Original Value	Comments

Density	2.88 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	210	Converted from Vickers
Hardness, Rockwell A	58.3	Converted from Vickers
Hardness, Rockwell B	95	Converted from Vickers
Hardness, Vickers	210	Pryamidal Diamond 10 kg load
Tensile Strength, Ultimate	690 MPa	statistical analysis gives AVG -3STD at 626 MPa
Tensile Strength, Yield	487 MPa @Strain 0.2 %	statistical analysis gives AVG-3STD at 438 MPa
Elongation at Break	5.0 %	in 25 mm
Tensile Modulus	115 GPa
Poissons Ratio	0.30
Fatigue Strength	210 MPa @# of Cycles 100000	R=0.1, Kt=2.5
	350 MPa @# of Cycles 1.00e+7	RB R=-1
	400 MPa @# of Cycles 100000	R=-1, Kt=1
Fracture Toughness	18.0 - 20.0 MPa-m½
Shear Modulus	44.0 GPa	Estimated from similar metals.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000900 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	15.5 µm/m-°C @Temperature -100 - 100 °C
Specific Heat Capacity	0.836 J/g-°C
Thermal Conductivity	150 W/m-K @Temperature 0.000 - 100 °C
Melting Point	548 - 660 °C
Solidus	548 °C
Liquidus	660 °C

**
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NAMC21 / 14953

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