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AMC640xa
Material Grade:
AMC640xa
Material Type:
Metal Matrix Composite - Silicon Carbide Particle Reinforced Aluminium Alloy
Description:
AMC640xa is an aluminium alloy (AA6061) reinforced with a high percentage (40% by volume) of ultrafine particles of silicon carbide. It is manufactured by a powder metallurgy route using high energy mixing to ensure excellent particle distribution and to enhance its mechanical properties.
This material offers an extremely high tensile modulus (nearly double that of the parent alloy), good static and fatigue strengths well in excess of high performance aluminium alloys, whilst retaining reasonable ductility. The MMC may be forged, extruded or machined to shape. The material also demonstrates superior elevated temperature strength and thermal stability in comparison with conventional 6xxx aluminium alloys.
AMC640xa has achieved Class 1 status with respect to stress corrosion cracking resistance at an applied stress of 370 MPa, according to ESA Standard ECSS-Q-70-37A.
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Typical Mechanical Properties at Room Temperature |
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| Product Form | Billet | Forging | Extrusion |
| Orientation | T | LT | L |
| Thickness mm | 10-300 | 3-10 | 3-10 |
| Heat Treatment | T6 (CWQ) | T6 (CWQ) | T1 |
| Property Basis | Typical | Typical | Typical |
| Ultimate Strength MPa | 540 | 570 | 560 |
| 0.2% Yield Strength MPa | 430 | 480 | 440 |
| Strain to Failure % | 1.0 | 2.5 | 3.0 |
| Elastic Modulus GPa | 140 | 140 | 140 |
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Typical Physical Properties at Room Temperature |
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Thermal Expansion ppm/0C |
Thermal Conductivity W/m/0C |
Density g/cc |
Electrical Conductivity %IACS |
| 13.4 | 130 | 2.90 | 21 (T1) |
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Typical properties - not a guarantee. For further information on AMC640xa properties & full data sheet please contact us. |
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For further information, please contact us.