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Molten Copper Graphite Crucible

by admin / Thursday, 19 October 2017 / Published in blogs

Molten copper graphite crucibles are made of the most advanced in the world manufacturing by cold isostatic molding, manufacture pressure for 600MPa. Makes internal uniform defect-free products, the intensity is high. While Crucible wall is thin, good thermal conductivity, low energy consumption. Graphite Crucible made most of the cutting molding and sintering. Due to the pressure is small, unavoidable defects. Currently have aped Crucible production by isostatic molding, manufacture pressure is small, and silicon carbide Crucible is produced. Crucible with a thick-walled, poor thermal conductivity, high energy consumption.
Technology principle: Light metal melting, to take up the same high percentage is casting of aluminum alloy die casting and aluminum alloy melting, partly melting of zinc alloys.
Aluminum 700 c ~750 c a lower melting temperature, graphite oxidation temperature field, so special emphasis in anti-oxidizing ingredients, production. Meanwhile, also noted that the use of fluoride-containing slag removal effects of agents.
Railways in easily in aluminum alloy melt, melt down after repeated melting, iron accumulated, will affect the quality of castings. On the pollution of metal graphite crucibles were widely used. Meanwhile, enhance the durability of the graphite Crucible, adapted to meet the requirements of users, and also progress in development of large crucible, graphite crucible so as to promote the market needs to increase.

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