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The Natural and Artificial Aging Response of Semi-Solid Metal Processed Alloy A356
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Personen und Körperschaften: | , , |
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Titel: |
The Natural and Artificial Aging Response of Semi-Solid Metal Processed Alloy A356 |
In: | Solid State Phenomena, 141-143, 2008, S. 737-742 |
veröffentlicht: |
Trans Tech Publications, Ltd.
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Umfang: | 737-742 |
ISSN: |
1662-9779 |
DOI: | 10.4028/www.scientific.net/ssp.141-143.737 |
Zusammenfassung: | <jats:p>The heat treatment cycles that are currently applied to semi-solid processed components are mostly those that are in use for dendritic casting alloys. These heat treatments are not necessarily the optimum treatments for non-dendritic microstructures. For rheocast alloy A356, it is shown that natural aging prior to artificial aging causes the time-to-peak-hardness to be longer compared to the time when only artificial aging is used. Furthermore, a hardness plateau is maintained during artificial aging at 180oC between 1 and 5 hours without any prior natural aging. A natural aging period as short as 1 hour results in a hardness peak (rather than a plateau) to be reached during artificial aging after 4 hours at 180oC.</jats:p> |
Format: | E-Article |
Quelle: | Trans Tech Publications, Ltd. (CrossRef) |
Sprache: | Unbestimmt |