DWA 2009/SiC/25p-T4 Aluminum SiC Metal-Matrix-Composite (Al MMC)

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DWA 2009/SiC/25p-T4 Aluminum SiC Metal-Matrix-Composite (Al MMC)
Categories:	Metal; Metal Matrix Composite; Nonferrous Metal; Aluminum Alloy; 2000 Series Aluminum Alloy
Material Notes:	2009/SiC/25p is a powder metallurgy Al MMC comprised of AA2009 aluminum and 25 Vol% Silicon Carbide particles. It is available in vacuum-hot-pressed billet, extruded and forged product forms. It is used for automotive engine moving parts, aerospace forgings and machined components such as hydraulic actuators. Its combination of enhanced strength and stiffness, cannot be matched by monolithic aluminum alloys. Information provided by DWA Aluminum Composites.
Key Words:	AlSiC MMC
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Physical Properties	Metric	English	Comments

Density	2.89 g/cc	0.104 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	85 - 88	85 - 88
Tensile Strength, Ultimate	593 MPa @Thickness 90.0 mm	86000 psi @Thickness 3.54 in	L Orientation, Extruded Round Bar
	627 MPa @Thickness 28.0 mm	90900 psi @Thickness 1.10 in	L Orientation, Extruded Round Bar
Tensile Strength, Yield	448 MPa @Thickness 90.0 mm	65000 psi @Thickness 3.54 in	L Orientation, Extruded Round Bar
	455 MPa @Thickness 28.0 mm	66000 psi @Thickness 1.10 in	L Orientation, Extruded Round Bar
Elongation at Break	3.4 % @Thickness 90.0 mm	3.4 % @Thickness 3.54 in	L Orientation, Extruded Round Bar
	5.2 % @Thickness 28.0 mm	5.2 % @Thickness 1.10 in	L Orientation, Extruded Round Bar
Modulus of Elasticity	116.5 GPa	16900 ksi

Component Elements Properties	Metric	English	Comments
Aluminum, Al	92.7 - 95.8 %	92.7 - 95.8 %	As Balance, Metal Alloy Basis
Copper, Cu	3.2 - 4.4 %	3.2 - 4.4 %	Metal Alloy Basis
Iron, Fe	<= 0.20 %	<= 0.20 %	Metal Alloy Basis
Magnesium, Mg	1.0 - 1.6 %	1.0 - 1.6 %	Metal Alloy Basis
Other, each	<= 0.050 %	<= 0.050 %	Metal Alloy Basis
Other, total	<= 0.15 %	<= 0.15 %	Metal Alloy Basis
Oxygen, O	<= 0.60 %	<= 0.60 %	Metal Alloy Basis
Silicon, Si	<= 0.25 %	<= 0.25 %	Metal Alloy Basis
Zinc, Zn	<= 0.10 %	<= 0.10 %	Metal Alloy Basis

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