Slag basicity index
http://files.aws.org/wj/supplement/03-2000-BAUNE2-s.pdf WebJun 11, 2024 · In this study, novel slags with a high basicity index were used to refine silicon melts with carbon dioxide injection to effectively remove Ti from metallurgical-grade silicon. Different compositions of the initial slag were used, and silicon samples were obtained during the refining.
Slag basicity index
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WebNumerous basicity indexes for fluxes have been derived to date. The most commonly used empirical basicity index, developed by Tuliani et al. (Ref. 8), is shown in Equa-tion 2. In welding, the slag basicity has been shown to correlate the weld metal chemi-cal composition to the chemical composi-tion of the slag. In general, weld metal oxy-gen ... WebOct 1, 2007 · The basicity index of the slag calculated based on CaO/SiO 2 and CaO/ (SiO 2 +P 2 O 5) works out to be 1.85 and 1.78 respectively. The relationship between basicity, …
Weboptimize slag composition for more effective reactivity of slags.1–4) Slag composition also determines the physical properties of molten oxide mixtures, which is similarly … Webstudy the slags activity index according to Chinese national standard method GB/T 20491-2006 (steel slag used for cement and concrete), the compressive strengths according to …
WebJan 1, 2014 · The coefficient Bi⁎ is called the modified basicity index. It is a function of the slag composition: (5.2.20) Bi ⁎ = ∑ α i W i B + α Fe 2 O 3 * W Fe 2 O 3 ∑ α i W A + α Al 2 O 3 * W Al 2 O 3 + α TiO 2 * W TiO 2 α i are, respectively, specific coefficients only dependent on the temperature. W i are the weight percentages. WebThe hydration properties of various cementitious materials containing Ground Granulated Blast-furnace Slag (GGBS), two alkali-activated slag cements (AAS-1 and AAS-2), in which …
WebBased on an investigation performed using a set of five experimental FCAW electrodes, an improved version of the IIW basicity index formula is developed. This new methodology is …
WebNov 29, 2024 · Based on the FactSage calculation, it has been identified that 12% MgO coupled with slag basicity ~ 1.0 is the most favorable composition for 22% Al2O3 in slag operation to achieve a lower... baki dou chapter 136WebQuestion: Example Problem: Calculate the basicity index (B.I.) of a slag with the following composition: Component Cao P205 Mgo Feo SiO2 Mass % 57% 9.0% 7.0% 11% 12% … baki dou chapter 138WebJun 11, 2024 · Effect of slag basicity index on the overall number of silicon droplets at the silicon–slag interface (inspection area: 1 mm × 1 mm). Figure 3. Solidified surface of slag … baki dou chapter 101WebBased on an investigation performed using a set of five experimental FCAW electrodes, an improved version of the IIW basicity index formula is developed. This new methodology is described in a series of two papers — Part 1 and Part 2. baki dou chapter 115WebApr 12, 2024 · Effect of Slag Basicity on Non-Metallic Inclusions and Cleanliness of 15-5PH Stainless Steel. ... is the low index orientation on the low index crystal plane; d [u v w] s and d [u v w] n are the atomic spacing along the corresponding crystal plane and the crystal direction, respectively; ... baki dou chapter 124Webfor expressing the slag/flux basicity, in particular Tuliani’s basicity index, the op-tical basicity index as defined by Datta and Parekh in 1989, and the B z basicity index as defined by Zeke in 1980. Effect of Weld Metal Oxygen Content on Weldment Properties Oxygen is introduced to the weld pool at high temperatures by 1) the pres- baki dou chapter 114WebDec 12, 2024 · Blast furnace slag, as bulk solid waste produced in the ironmaking process, will inevitably pollute the environment and occupy a large amount of land resources if it is not treated and utilized [1,2].The traditional water quenching method of blast furnace slag (BFS) will consume a lot of new water in the process, pollute the atmosphere by gases … baki dou chapter 119