electroslag remelting of high technological steels

(PDF) Electroslag Remelting of High Technological Steels

This work aims at the suitability of electroslag process on production of high technological steels such as Maraging steel, modified high speed tool steel (niobium, high nitrogen, and free nitrogen) has been investigated. The experimental results

Application of Mathematical Models for Different

The electroslag remelting (ESR) process has been effectively applied to produce high grade special steels and super alloys based on the controllable solidification and chemical refining process. Due to the difficulties of precise measurements in a high temperature environment and the excessive expenses, mathematical models have been more and more attractive in terms of investigating the CN101705362A - Electroslag remelting quaternary slag The invention discloses an electroslag remelting quaternary slag system for preparing high-purity stainless steel. The electroslag remelting quaternary slag system is characterized by comprising the following compositions in percentage by weight:50 to 65 percent of CaF2, 20 to 25 percent of Al2O3, 10 to 25 percent of CaO and 0 to 5 percent of MgO.

Characterization of Electroslag Remelted Super Hard High

Effect of niobium and high cooling rate during electroslag remelting on the precipitated carbides were discussed. In this work, the effect of niobium on morphology of carbides secondary hardening temperature and wear rate of investigated HSSs were studied. Electroslag Remelting of High Technological Steels, Journal of Minerals and Materials ELECTROSLAG REMELTING:A PROCESS OVERVIEWVAC-ESR (electroslag remelting under vacuum) is a variation of the ESR that provides vacuum degassing of the melt. Dissolved gases such as hydrogen and nitrogen are removed, and the remelted metal is protected from oxidation. The process is suitable for the remelting of superalloys and titanium alloys. 3 PROCESS PARAMETERS

Electro Slag Remelting (ESR) - Ald

Electro Slag Remelting Electro Slag Remelting under Pressure (PESR) For the production of high nitrogen steels, it is essential that a sufficiently high amount of nitrogen above the solubility limit under normal pressure is introduced into the molten steel and that nitrogen loss is prevented during solidification. PESR Features Electroslag Remelting Process IspatGuruMar 07, 2020 · Electroslag remelting (ESR) is the abbreviated name given to electroslag consumable electrode remelting and secondary refining process. It is a secondary steelmaking process which is used for remelting and refining of steels and special alloys normally used for critical applications in aircraft, thermal and nuclear power plants, and defence

Electroslag Remelting of High Technological Steels

(2015) Halfa, Reda. Journal of Minerals and Materials Characterization and Engineering. This work aims at the suitability of electroslag process on production of high technological steels such as Maraging steel, modified high speed tool steel (niobium, high nitrogen, and free nitrogen) has been i Electroslag remelting of high-speed steel using a magnetic Made available by U.S. Department of Energy Office of Scientific and Technical Information

Electroslag remelting of type 316 stainless steel

Dec 28, 2015 · The 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 alternative to vacuum arc or vacuum induction melting. Enhancing the electroslag remelting process:First The electroslag remelting process (ESR) is an important process for the production of very clean high-tech materials for applications used for example in the aviation- or energy-sector. Although the process itself is well known for decades, there is still potential for

Graphite intercalation compounds - new materials in the

Abstract. Thermally cleaving graphite intercalation compounds have been used for producing heat-insulating and gas-tight coatings during electroslag remelting of steel, which decreases the specific consumption of electric power and the burnout of highly active components of the alloy. High pressure electroslag remelting a new technology of High pressure electroslag remelting a new technology of steel refining Stein, G. ; Menzel, J. 1995-01-01 00:00:00 The paper presents a process for the nitrogen alloying of steels beyond the solubility limit in a pressurised electroslag remelting furnace using Si 3 N 4 as nitrogen source. With the aid of this process it is possible to attain highest nitrogen percentages in steels.

The Pressure Electroslag Remelting - Fushun Special Steel

May 20, 2020 · On the other hand, the investments in state-of-the-art technology such as Pressure Electro Slag Remelting (PESR), Vacuum Induction Melting (VIM) and Vacuum Arc Remelting (VAR) are the result of research showing a real need for a new generation of steels. Electroslag Remelting (ESR) is a secondary refining process used to further refine many alloys. The Pressure Electroslag Remelting Process - Steel gradesOn the other hand, the investments in state-of-the-art technology such as Pressure Electro Slag Remelting (PESR), Vacuum Induction Melting (VIM) and Vacuum Arc Remelting (VAR) are the result of research showing a real need for a new generation of steels. Electroslag Remelting (ESR) is a secondary refining process used to further refine many alloys.

US3767831A - Process and apparatus for electro-slag

An apparatus and method for electro-slag-remelting of metals and in particular steel. The electric current flowing through the to be molten electrode changes periodically. The current which is being fed to the apparatus may be either an ordinary alternating current or a three-phase alternating current and is converted into a substantially different current having a base frequency (f) which china ElectroSlag Remelting Furnace (ESR) suppliers 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, etc. The electroslag remelting (ESR) process is used to remelt and refine steels and various super

(PDF) Electroslag Remelting of High Technological Steels

Among the different refining processes such as vacuum arc remelting, electron beam remelting, plasma arc remelting and electroslag remelting, electroslag remelting (ESR) process is considered as the most distinguished secondary refining process due to its reality, economical production cost, low needed investments, system with non-complicated upgrading and the competitive and high efficiency in

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