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WEBThe electro-slag remelting (ESR) process has been used effectively to produce large ingots of high quality based on the controlled solidification that can be achieved. Despite numerous simulations ...
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WEBThe ESR process involved the use of an initial slag charge of 295 kg with a continual addition of slag in an attempt to maintain a relatively consistent slag cap layer throughout the duration of remelting. The composition of the slag employed was nominally 30 CaF 2–2 8 CaO-7 MgO-28 Al 2 O 3–7 TiO 2 (wt%).
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WEBThe remelting behavior of the tempering steel 50CrMo4, was investigated with several experimental melts on a lab-scale ESR-plant. The investigated parameters included a variation of the slag ...
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WEBElectroslag remelting (ESR) is widely used for the production of high-value-added alloys such as special steels or nickel-based superalloys. Because of high trial …
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WEBElectro Slag Remelting (ESR) process has been known since the 1930's, but it took approximately 30 years before it became an acknowledged process for mass production of high-quality ingots. It is a process used …
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WEB现代电渣冶金技术的发展核心在于浅平熔池形状的稳定控制和杂质元素的高效去除,目标是更高洁净度、更高凝固质量和更高生产效率。. 为了让国内冶金工作者了解目前电渣重熔技术的最新发展动态,助力中国电渣冶金技术的开发和应用,综述了近年来国内外相继 ...
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WEBエレクトロスラグ溶解法 (エレクトロスラグようかいほう)electro slag remelting. ESR法ともいう。. 1937年にアメリカで ホプキンズ法 として開発され,その後 ソ連 で発展し,日本では70年ころから急速に採用されるようになった鋼の精錬法。. その 原理 は,図に ...
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WEBFor example, the inclusion content in RCF failure-resistant X30CrMoN15-1 high nitrogen bearing steel [110], which undergoes the pressurized electro slag remelting process, is reported to be at ...
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WEBThe Electro-Slag-Remelting (ESR) is an advanced technology for the production of components of e.g. high quality steels. In the present study a comprehensive computational model using the VOF ...
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WEBIMPACT OF ELECTRO SLAG REMEL TING ON 14 109 STEEL PROPER TIES. The Electro Slag Remelting (ESR) is one of the remelting processes in the field of metal refinery. In this process, the slag pl ays ...
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WEBCarbide segregation control in electro-slag remelting withdrawal process of large cross-section high-speed steels LI Wanming 1, 2, JIANG Zhouhua 1, ZANG Ximin1, DENG Xin, SHAO Qingli2, XIE ...
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WEBAbstract. Electroslag remelting (ESR) is commonly used to produce the highest levels of quality in plate steels, particularly in thick plates. This article provides an overview of the ESR and discusses the major components and operations of the ESR furnaces. It describes the principles of ingot solidification and the various defects of remelted ...
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WEBElectroslag remelting (ESR) is a secondary metallurgical process aiming at further purification after completion of the primary extraction and refining operations. The process is a method of refining a consumable metal electrode through a molten slag that is electrically heated. Transient 3D simulation of ESR reveals the turbulent chaotic flow ...
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WEBobtained by using any of three remelting processes electron beam remelting [EBR], vacuum arc remelting [VAR], or electroslag remelting [ESR]. Among these, EBR and VAR use vacuum as the protective and refining medium while ESR is the most widely used remelting process today. It uses a reactive, fluid slag as the protective refining
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WEBThe protective atmosphere reduced the Si-losses during remelting. The majority of the NMI were of the Al 2 O 3 - & MnS-type. In general, remelting lead to an almost complete removal of sulfides, a reduction of oxisulfides and a shift towards more oxides. The total amount of NMI was most strongly reduced by the high CaF 2 …
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WEBElectroslag Remelting Furnaces For more information visit CONSARC CORPORATION 100 Indel Avenue P.O. Box 156 Rancocas, New Jersey 08073 Phone: +1 (609) 267-8000 Fax: +1 (609) 267-1366 ... depending on whether a cold slag start or liquid slag start to the melt is commencing. The entire melt progresses automatically through …
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WEBThe consumable electrode is placed in a water-cooled copper mold that contains slag. ESR slag generally is CaF 2-CaO-Al 2 O 3-based system with minor additions of MgO, TiO 2, and/or SiO 2 to tailor the slag for the specific remelting requirements. In conventional ESR, the electrical current passes from power → …
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WEBThe Bureau of Mines, in cooperation with the United States Atomic Energy Commission, electroslag remelted two groups of type 316 stainless steel ingots for ultimate conversion to tubing for tests associated with the liquid metal fast-breeder reactor. The reduction in imperfections achieved suggests electroslag remelting as a promising …
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WEBIn the present paper, the droplet formation during melting of a 420 mm diameter flat electrode is simulated with an advanced three dimensional multiphase-Magneto-hydrodynamic numerical model. The momentum, energy and electromagnetic fields are fully coupled. The computational domain includes a layer of slag and a layer of liquid steel. A …
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WEBLe procédé de refusion sous laitier électroconducteur (Electro Slag Remelting ou ESR) est aujourd'hui largement utilisé pour la production d'alliages métalliques à haute valeur ajoutée, comme les aciers spéciaux ou les superalliages base nickel. La modélisation mathématique et la simulation numérique du procédé ESR présentent un grand intérêt …
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WEBThe aim of this study was to investigate the effect of under electro slag re-melting (ESR) process on the fatigue behavior of GTD …
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WEBThe Electro-Slag-Remelting (ESR) is an advanced technology for the production of components of e.g. high quality steels. In the present study a comprehensive computational model using the VOF ...
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WEBThe Electro-Slag-Remelting (ESR) is an advanced technology for the production of components of e.g. high quality steels. In the present study a comprehensive computational model using the VOF ...
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WEBelectroslag remelting for advanced clean steel production. This monograph consti-tutes nine chapters. Chapter 1 describes the fundamentals, advantages, exclusive …
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WEBElectroslag refining (or remelting) (ESR) has been used to produce cleaner steels with more uniform composition than conventional, even existing high-quality, steels. This …
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WEBoxygen content in the electro-slag remelting steel. Slag plays a profound role in ESR process. During the remelting process, the slag exhibits relatively high electric resistance, resulting in most of the electric energy being converted into heat energy within the slag pool. As a result, the slag remains at a high temperature and is able
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WEB본문 기타 기능. ESR (electro slag remelting) 원리는 용융슬래그의 전기저항열에 의하여 소모전극을 녹이고 슬래그 속을 적하침강한 용강을 수냉주형 내에서 연속적으로 응고시켜 가는 방법. 특징: 1 진공배기장치가 없으므로 설비비가 적고 대기용해이므로 조업 용이 ...
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WEBThe present study attempts to investigate the fatigue behavior of functionally graded steel (FGS) produced through electroslag remelting (ESR) process. To produce FGSs, two different slices of plain carbon steel and austenitic stainless steel were welded and used as ESR's electrode. Some of alloying elements in austenitic …
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WEBElectro-slag remelting . Electroslag remelting (ESR), also known as electro-flux remelting, is a process of remelting and refining steel and other alloys for mission-critical applications in aircraft, thermal power stations, nuclear power plants, military technology and others. 电渣重熔
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WEBElectroslag remelting ( ESR ), also known as electro-flux remelting, is a process of remelting and refining steel and other alloys for mission-critical applications in aircraft, thermal power stations, nuclear power plants, military technology and others. The electroslag remelting (ESR) process is used to remelt and refine steels and various ...
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