Materion AMC225XE T4 Aluminum/Silicon Carbide MMC Forged Plate

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Materion AMC225XE T4 Aluminum/Silicon Carbide MMC Forged Plate (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:	Metal Matrix Composite - Silicon Carbide Particle Reinforced Aluminium; Al/SiC
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Physical Properties	Metric	English	Comments

Density	2.88 g/cc	0.104 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	210	210	Converted from Vickers
Hardness, Rockwell A	58.3	58.3	Converted from Vickers
Hardness, Rockwell B	95	95	Converted from Vickers
Hardness, Vickers	210	210	Pryamidal Diamond 10 kg load
Tensile Strength, Ultimate	659 MPa	95600 psi	statistical analysis gives AVG -3STD at 620 MPa
Tensile Strength, Yield	464 MPa @Strain 0.2 %	67300 psi @Strain 0.2 %	statistical analysis gives AVG-3STD at 417 MPa
Elongation at Break	4.0 %	4.0 %	in 50 mm
Tensile Modulus	115 GPa	16700 ksi
Poissons Ratio	0.30	0.30
Fatigue Strength	210 MPa @# of Cycles 100000	30500 psi @# of Cycles 100000	R=-1, Kt=1.75
	300 MPa @# of Cycles 1.00e+7	43500 psi @# of Cycles 1.00e+7	RB R=-1
	430 MPa @# of Cycles 100000	62400 psi @# of Cycles 100000	R=-1, Kt=1
Fracture Toughness	18.0 - 20.0 MPa-m½	16.4 - 18.2 ksi-in½
Shear Modulus	44.0 GPa	6380 ksi	Estimated from similar metals.

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000900 ohm-cm	0.00000900 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	15.5 µm/m-°C @Temperature -100 - 100 °C	8.61 µin/in-°F @Temperature -148 - 212 °F
Specific Heat Capacity	0.836 J/g-°C	0.200 BTU/lb-°F
Thermal Conductivity	150 W/m-K @Temperature 0.000 - 100 °C	1040 BTU-in/hr-ft²-°F @Temperature 32.0 - 212 °F
Melting Point	548 - 660 °C	1020 - 1220 °F
Solidus	548 °C	1020 °F
Liquidus	660 °C	1220 °F

**
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NAMC20 / 14952

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