Aluminum-lithium alloy development for thixoforming
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Date
2004-12
Publication Type
Journal Article
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yes
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Abstract
This paper presents a scientific contribution to the development of lightweight/high-performance Al -Li alloys suitable for semi-solid processing. Thermodynamic calculations identified the most promising compositions with focus on the solidus - liquidus interval, fraction of solid-versus-temperature and phase reactions. The synthesis of Al -Li precursor billets was performed by overpressure induction melting in controlled atmosphere. DTA and microstructure investigations on Al -Li specimens were carried out as well as thixocasting trials of demonstrator components. New rheocasting of Al -Li alloys was investigated to identify the potential of this alternative precursor material route. It is shown that specifically developed Al -Li alloys offer great potential for semi-solid manufacturing.
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published
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Journal / series
Volume
95 (12)
Pages / Article No.
1097 - 1107
Publisher
Hanser
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Date collected
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Subject
Thixoforming; New Rheocasting; Alloy development; Aluminum – Lithium
Organisational unit
03661 - Löffler, Jörg F. / Löffler, Jörg F.