Materion SupremEX® 225CA Aluminum - Silicon Carbide Metal Matrix Composite, T4, HIPed Billet

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Materion SupremEX® 225CA Aluminum - Silicon Carbide Metal Matrix Composite, T4, HIPed Billet
Categories:	Metal; Metal Matrix Composite; Nonferrous Metal; Aluminum Alloy
Material Notes:	A high-quality aluminum alloy (2124A) reinforced with 25 vol.% silicon carbide particles which produces a metal matrix composite (MMC). 225CA is manufactured via a powder metallurgy route using a mechanical alloying process to ensure a homogeneous distribution of reinforcement. This provides a refined grain structure and enhanced mechanical properties. The 225CA MMC is heat treatable, offering high strength and elastic modulus for structural applications. 225CA is available in a variety of shapes including billet and forgings. Information provided by Materion.
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Physical Properties	Metric	English	Comments

Density	2.88 g/cc	0.104 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	572 MPa	83000 psi
Tensile Strength, Yield	455 MPa @Strain 0.200 %	66000 psi @Strain 0.200 %
Elongation at Break	1.50 %	1.50 %
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.300	0.300
Shear Modulus	44.0 GPa	6380 ksi	Calculated

Thermal Properties	Metric	English	Comments
CTE, linear	16.4 µm/m-°C	9.10 µin/in-°F
Specific Heat Capacity	0.829 J/g-°C	0.198 BTU/lb-°F
Thermal Conductivity	156 W/m-K	1080 BTU-in/hr-ft²-°F
Solidus	548 °C	1020 °F

Descriptive Properties
Specific Stiffness	39 GPa/g/cm3

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NBB9113l / 323547

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