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Vacuum melting equipment and technologies for advanced materials

机译：先进材料的真空熔炼设备和技术

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Purpose: The purpose of the paper is to describe selected technologies and equipment for fabrication of advanced materials for different applications.Design/methodology/approach: The production of complex parts by the vacuum investment casting process has led to increased demands on equipment and processes. Highly automated machines and simple operation conditions are a must to achieve the required process efficiency and product quality. Vacuum melting, re-melting and casting technology has become an increasingly requirement for advanced materials which are used at high temperature, high stress applications such as for the aerospace and power turbine industries.Findings: Vacuum metallurgy is presently entering a new phase building on the experience gained from continuously refining established processes and developing new process combinations. Secondary vacuum processes such as melting and remelting, as well as casting and metal-powder technology, have led to high quality metallurgical products tailored to meet the ever-increasing demands imposed upon them. New processes are being developed that will yield improved quality and efficiency as well as the opportunity to produce entirely new products.Research limitations/implications: The cleanliness of specialty steels or superalloys produced by vacuum melting is much better than that attained by conventional processing methods, what means, that higher operating efficiencies can be obtained.Originality/value: A wide variety of process routes for vacuum processing are available, what will be in this paper as a short review presented
机译：目的：本文的目的是描述用于不同用途的先进材料制造的选定技术和设备。设计/方法/方法：通过真空熔模铸造工艺生产复杂零件导致对设备和工艺的需求增加。高度自动化的机器和简单的操作条件是获得所需的过程效率和产品质量所必需的。真空熔炼，重熔和铸造技术已成为对高温，高应力应用（例如航空航天和动力涡轮行业）中使用的先进材料的日益增长的要求。发现：真空冶金目前正进入一种新的阶段。不断完善既定流程并开发新流程组合而获得的经验。二次真空工艺（例如熔化和重熔以及铸造和金属粉末技术）已导致为满足不断增长的需求量身定制的高质量冶金产品。正在开发新的工艺，以提高质量和效率，并提供生产全新产品的机会。研究局限/意义：通过真空熔融生产的特种钢或超级合金的清洁度比传统加工方法要好得多，原始性/价值：真空加工的工艺路线多种多样，本文将作为简短回顾介绍

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