Search results for keyword: fluoride
Chemical composition of fluorite lump ore for metallurgy
Chemical Composition of Fluorspar Blocks for Metallurgical Use
The chemical composition of fluorspar blocks is an important property that must be assessed when selecting fluorspar blocks for metallurgical use. Fluorspar blocks give results in terms of the percentage of major elements, trace eleme......
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As countries around the world continue to grapple with the impacts of the coronavirus pandemic, it is worth noting the role that education has played in helping to combat the virus. In particular, education has been a key tool for mitigating the spread of the virus, its symptoms, and its associate......
Common Defects of Nitriding (Soft Nitriding)
Leakage of N2 in NF3 Etching
As the need for complex semiconductor wafers and advanced packaging technologies continues to grow, so does the need for sophisticated high-throughput chemical etching processes. Nitrogen trifluoride (NF3) is a key etchant used in the semiconductor industry, as it is ......
Development of fluoride-free Mold Flux in Billet Continuous Casting
The Development of Small Billet Continuous Casting Without fluoride Protection Slag
Abstract
fluoride protection slag technology is an important process for steel continuous casting, but it can cause the breakdown of the mold. In order to solve this problem, small billet continuous casting witho......
Prevent or reduce the rephosphorization of ladle molten steel
Introduction
In steelmaking production, refractory materials are generally used in furnace linings and tundish, which are called steel packages. The steel packaging is mainly used for deoxidation and purification of molten steel, and inclusions are removed from molten steel. During the melting pro......
Fluorochloride molten salt electrolysis
fluoride and Chloride Fusion Salt Electrolysis
fluoride and chloride fusion salt electrolysis is a process which is used for several industrial and chemical applications. This process involves the use of an aqueous solution of a particular combination of ionized fluorides and chlorides. This proce......
Dephosphorization of steel
Introduction
The phosphorus removal process is an important step in hot rolled galvanized steel production. It is necessary to reduce the phosphorus content in steel and improve the quality of the products.In this process, most of the phosphorus in the steel seems to have been removed by the reac......
Surface passivation treatment of magnesium particles is required for metal magnesium desulfurization
Magnesium Desulfurization Surface Passivation
Magnesium is a lightweight metal used in many applications from automotive parts to aircraft structures to robotics components. While it has many beneficial properties, it is also reactive and can be corroded by exposure to aggressive atmospheric envi......
Hot metal dephosphorization method
De-phosphorization of Iron by Chemical Method
Phosphorus is often present in iron as an impurity which can be detrimental to its steel making properties. In order to rid the iron of this phosphorus an effective de-phosphorization method is required. One of the chemical methods used is the use of ......
Thermal agent molten steel
Recharge Medium Steel
Recharge medium steel, also known as bearing steel, is a kind of common steel primarily used for the production of roller bearings and self-aligning bearing shells. It is primarily made with a combination of carbon, chromium and aluminum, which is used to improve its corrosi......
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