阐述了真空熔炼、氢气保护下引法连续定向凝固工艺。
The vacuum melting and argon protecting continuous unidirectional solidification technology was introduced, which combines vacuum inductive melting with continuous unidirectional solidification.
真空熔炼可使合金中的氢、钾，钠等杂质含量显著地降低。
The amount of trace elements, such as hydrogen, sodium, and potassium, dropped remarkably under vacuum melting.
因此，真空熔炼及电子束熔炼作为冶金法的重要环节有着广泛的应用。
Therefore, as important processes of metallurgical method, vacuum refining and electron beam refining have been widely applied.
中频冶炼与合金制备：各种合金与有色金属的配制，真空或非真空熔炼、浇铸等。
Medium frequency smelting and alloy preparation: mixture of all kinds of alloy and nonferrous metal, vacuum or anti-vacuum smelting and casting.
拥有多台非真空和真空熔炼设备，以真空熔炼为主，有定向凝固技术和整体细晶技术。
Have multiple non-vacuum and vacuum-melting equipment, mainly to the vacuum melting, directional solidification technology and the overall fine-grained technology.
本实用新型涉及一种生产钕铁硼稀土永磁合金材料及稀土储氢合金材料的真空熔炼炉。
The utility model relates to a vacuum melting-refining furnace for producing neodymium, iron, boron and rare earth permanent magnetic alloy material and rare earth hydrogen-storage alloy material.
如果合金本身对氧非常敏感，则不仅在雾化时要采取措施，在熔化时最好也采用真空熔炼。
If the alloy is in itself sensitive to the oxygen, then not only in atomization time must take the measure, when melting should better also use the vacuum melting.
在制壳、模壳准备和大气熔炼以及真空熔炼产品铸造上方面有管理以及固定过程控制的经验。
Experienced in management and rigid process control of Shell making, Mold Preparation, and Investment Casting of Airmelt and Vacuum Cast products.
用真空熔炼法制备了多种贮氢合金原样，分别经不同温度、时间热处理和保护气氛下球磨处理。
In this paper a series of RE2MgNi9 hydrogen storage alloys were synthesized by vacuum induction melting method.
本文介绍了采用真空熔炼、粉末轧制等新工艺生产的消气剂产品的化学成分、相组成和吸气特性。
This paper presents the chemical compositions, phase constitutions, and absorbing behavior produced by new techniques, such as vacuum melting, powder rolling.
研究高温下耐火材料的相对稳定性及在真空熔炼超低氧钢过程中炉衬材料向钢液供氧的热力学条件和动力学规律。
The reason and mathematic analysis for carbon pick up from mold flux have been investigated in ultra low carbon steel.
因此，钛的熔炼需要发生在真空中或者惰性气氛之中，也正因为此，熔炼过程很昂贵。
So it has to be refined, forged, welded, and cast in a vacuum or under inert gas, an expensive process.
采用真空自耗电极电弧熔炼制成钕氧化物颗粒增强钛基复合材料。
The neodymide particulate reinforced titanium matrix composites were made by vacuum arc remelting.
在模拟熔炼条件下，对涂层进行了真空热震试验，涂层均能经受一次真空热震而涂层完好。
Thermal shock test in vacuum was done under modelling melting conditions, the coating could resistant to one time thermal shock in vacuum furnace and was in integrity.
结果显示，采用非真空感应熔炼(AIM方法)加真空浇注生产1 J HA1合金具有工艺上和经济上的可行性。
Experimental results show that Quality magnetic alloy 1jha1 can be produced by air induction melting (AIM) and vacuum pouring technologically and economically.
用真空电孤熔炼合成了稀土基AB2型合金。
Rare earth based AB2 type alloy has been synthesized by arc melting constituent elemente.
本文对目前高纯锌的三种主要制备方法(电解法、真空蒸馏法、区域熔炼法)进行了综述和比较。
The three main methods for high purity zinc preparation, including electrolytic method, vacuum distillation, zone refining, are summarized and compared in this paper.
对熔炼室真空度、聚焦、原料棒化学成分、尺寸规格、熔炼速度，搅拌速度等对单品制备的影响进行了详细分析。
Influences of vacuum in the melting chamber, chemical composition and specifications of Mo and Mo-Nb alloy feed stock bar growing rate, rotation rate on processing Mo-Nb alloy are analyzed in detail.
结果表明，在真空感应熔炼过程中，通过透气砖向熔池吹氩，可以实现在较低的真空度下熔炼超低氧钢，以及有效去除钢中的氧化物夹杂物颗粒。
It is shown that, for the refining of extra-low oxygen steel under low vacuum, blowing argon through porous plug into molten steel can effectively remove oxide inclusions from molten steel.
在分析了真空感应熔炼供电控制对象特性的基础上，设计了基于模糊PID控制的计算机控制系统。
On the basis of analyzing speciality of VIM's power supply control system, computer control system based on fuzzy PID control is designed.
本文介绍宝山钢铁股份有限公司特殊钢分公司最新引进的10吨氦气冷却真空自耗炉主要特点及熔炼GH738合金的冶金质量。
This article introduced the characteristics of a 10-ton VAR furnace with helium gas cooling and metallurgical quality of GH738 alloy melt with the VAR furnace.
介绍降低吸气剂真空感应熔炼系统极限压力的措施和效果。
Describes how to reduce the ultimate pressure for a vacuum induction getter melting system and discusses the (effects) of the measures taken for improvement of several systems.
主要有溶剂萃取、离子交换、真空熔融、真空蒸馏或升华、电迁移以及区域熔炼等。
There are solvent extraction, ion exchange, vacuum melting, vacuum distillation or sublimation, electro migration and regional melting, etc.
真空自耗电弧炉是熔炼钛、锆等稀有金属的主要工业手段，如何提高熔炼工艺水平，保证产品质量，提高经济效益，已成为稀有金属行业广泛关注的问题。
With requred to the melting of rare metals the major issues are the development of melting technology, assurance of product quality, and increase in production efficiency.
利用玻璃包熔真空悬浮熔炼等手段研究低碳钢的纯净度、过冷度与晶粒度之间的关系研究表明：随着包熔次数增加，钢中夹杂物含量减少，纯净度提高。
The relationships of cleanness, undercooling and grain size of low carbon steel have been investigated by using of vacuum glass encasement levitation melting.
采用高真空电弧熔炼炉熔炼，制备了K418镍基高温合金。
Abstract :K418 Ni-base superalloy was melted in high vacuum arc-melting furnace.
结果表明：通过熔炼速度、漏气率、预真空等关键因素的严格控制，可大幅度提高大规格纯钛铸锭中氧元素的均匀性。
The results show that, through controlling the melting rate, leak pressure and pre-vacuum rigidly, the oxygen homogeneity can effectively improve.
用真空保护气氛熔炼不同锂加入量的铜锂合金，得到系列表面光滑、内部致密的铜锭，并研究了锂对工业纯铜凝固特性的影响。
A series of Cu Li alloys with different contents of lithium have been obtained by means of vacuum induction furnace at Ar atmosphere .
采用中频真空感应熔炼炉、X射线衍射仪、金相显微镜、电子探针、显微硬度计等实验分析方法，研究了稀土金属铈与低熔点金属锡在钢中的相互作用。
The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester.
采用中频真空感应熔炼炉、X射线衍射仪、金相显微镜、电子探针、显微硬度计等实验分析方法，研究了稀土金属铈与低熔点金属锡在钢中的相互作用。
The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester.
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