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综述了冷坩埚技术的原理和特点、目前的研究及开发现状。冷坩埚具有无污染,可熔化高熔点金属,制备的材料组织均匀等优点。冷坩埚技术在以下领域得到广泛的研究和应用:与熔化技术相结合能高纯均匀熔炼活性金属,通过起熔材料能制备陶瓷材料;与连铸技术相结合能进行冷坩埚电磁连铸技术,提高铸锭表面质量,改善内部组织;与定向凝固和连铸技术相结合的冷坩埚定向凝固技术已成功进行钛合金的定向凝固;与多晶硅制备技术相结合能连续制备多晶硅,杂质含量少;与雾化沉积技术相结合的冷坩埚雾化沉积技术具有熔化合金种类多、适用范围广的优点。冷坩埚的自身特点决定了其必将更受重视和广阔发展前景。
The principle and characteristics of cold crucible technology, current research and development status are summarized. Cold crucible with non-polluting, melting high melting point metal, the preparation of the material organization and so on. Cold crucible technology has been extensively researched and applied in the following fields: In combination with the melting technology, high-purity and uniform melting of the active metal can be used to prepare ceramic materials through the starting material; In combination with the continuous casting technology, cold crucible electromagnetic continuous casting technology can be carried out, Improve the surface quality of the ingot and improve the internal organization; the directional solidification technology of cold crucible combined with directional solidification and continuous casting technology has successfully carried out the directional solidification of titanium alloy; in combination with the preparation technology of polycrystalline silicon, polycrystalline silicon can be continuously prepared with less impurities; and Cold crucible atomization deposition technology combines atomization deposition technology has many types of molten alloys, the advantages of a wide range of applications. Cold crucible its own characteristics will determine its more attention and broad prospects for development.