Fig 4 - uploaded by Valdis Bojarevics
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Effect of Ca slag at the stages of the CCIM operation: (a) initial stage of gradual heating, (b) melting stage when the slag layer adjusts, (c) intermediate stage with the slag collected at the side of the crucible, (d) final stage at the end of pouring with the slag remaining at the side wall.
Source publication
Cold crucible is used to melt reactive metal scrap at elevated temperatures for high quality castings or to produce spherical powders for additive manufacturing. The most advanced cru-cibles have a small exit nozzle to pour the molten alloy through the bottom opening protected by graphite or ceramic material. The nozzle operates at high temperature...
