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Content archived on 2024-04-16

ADVANCED ALUMINIUM PRECISION CASTING FOR INTEGRALLY STIFFENED NET-SHAPE- COMPONENTS

Objective


Nineteen different aluminium alloys have been developed and investigated. These alloys have been cast with two investment casting processes, the standard process and a proprietary technique (SOPHIA process) allowing higher cooling rates and controlled solidication. To achieve optimum properties and short processing times, optimized heat treatments were developed for the alloys under investigation.

A modification of the commercial alloy AlSi7Mg could be developed with very balanced properties showing a small improvement in room temperature tensile properties. However this alloys has much improved tensile and creep properties at elevated temperatures up to 200 C. This alloy has a high potential for commercial introduction.

Attempts to cast modified alloys on the base of Al-Zn, A201 and A224 have finally not been successful. Some progress was made, but the inherent problems of segregation and hot tearing could not be solved sufficiently, so that a broader technical application is presently not visible.

Fields of science (EuroSciVoc)

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Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

Messerschmitt-Bölkow-Blohm GmbH (MBB)
EU contribution
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Address

8900 Augsburg
Germany

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Total cost

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Participants (6)

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