| 摘要 |
A system for filtering hard alpha inclusions from a reactive metal alloy, such as titanium, is provided. The system includes a vessel, a receptacle and a filter. The vessel is capable of holding the reactive metal alloy in a molten form, and can pour the molten reactive metal alloy. The receptacle is for receiving the molten reactive metal alloy poured from the vessel. And to prevent at least some hard alpha inclusions from entering the receptacle, the filter is disposed between the vessel and the receptacle such that the molten reactive metal alloy passes therethrough before being received by the receptacle. The filter includes a frame, and a porous surface that is disposed within the frame. The porous surface defines openings that are sized to permit the reactive metal alloy in molten form to pass therethrough while capturing hard alpha inclusions.
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