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高温处理熔体（ＢＴＯＰ）是一种已在俄罗斯航空工厂广泛应用的工艺技术，镍基高温合金用此工艺处理后能明显地提高合金的质量，改善合金的工艺性和提高合金的工作性能，降低铸件废品率。本文综述了高温处理熔体工艺技术的研究方法、作用机理及其对铸件组织、性能和质量的影响。
High temperature processed melt (BTOP) is a kind of technology which has been widely used in Russian aeronautical factories. The treatment of nickel base superalloy can obviously improve the quality of the alloy, improve the technological properties of the alloy and improve the workability of the alloy. Reduce casting reject rate. In this paper, the research methods, mechanism of action and its influence on the microstructure, properties and quality of the castings are reviewed.