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the influence of slag compositional changes on the

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  • Influence of Slag Composition and Temperature on the

    This study investigated the combined influence of difference in slag composition and temperature on the performance of slag blends. Performance was evaluated in terms of strength and transport properties. Paste samples were characterised by calorimetry TGA XRD and SEM to follow hydration and microstructural

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  • Influence of Slag Composition and Temperature on the

    This study investigated the combined influence of difference in slag composition and temperature on the performance of slag blends. Performance was evaluated in terms of strength and transport properties. Paste samples were characterised by calorimetry TGA XRD and SEM to follow hydration and microstructural

    Get Price
  • Influence of Slag Composition and Temperature on the

    This study investigated the combined influence of difference in slag composition and temperature on the performance of slag blends. Performance was evaluated in terms of strength and transport properties. Paste samples were characterised by calorimetry TGA XRD and SEM to follow hydration and microstructural

    Get Price
  • Thermodynamics for the Influence of Slag Composition on

    Thermodynamics for the Influence of Slag Composition on the Inclusion Control in Semi-Killed Liquid Steels Park Joo Hyun Park Jun Seok Abstract. Thermodynamic equilibria between CaO-Al 2 O 3-SiO 2-CaF 2-MgO (-MnO) slag and Fe

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  • CHAPTER 10 COMPOSITIONAL INVARIANCE OF HIGH

    of the initial compositional change into the eutectic groove. The only way in which such solidification can • The mechanism must be able to have a sustained influence on the composition of the slag bath. • The mechanism must be able to adjust the composition of the slag bath towards the stoichiometric M3O5 line.

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  • Optimization of Refining Slag Composition and the

    Dec 14 2019 · The cleanliness level in the slabs of micro-alloy structure steel produced in the BOF–CAS–CC process was studied by optimizing the compositions of molten steel and refining slag in trial heats. When the slag composition was controlled in the range of CaO = 45–53 wt Al2O3 = 28–32 wt SiO2 = 6–11 wt and MgO = 5–10 wt in CAS the steel composition should be in the range

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  • MAT-739 INFLUENCE OF SLAG CHEMISTRY AND

    The chemical composition of the slag significantly influences the slag-anhydrite-alkali activator composition and the properties of the obtained supersulfated cement. Slag A which is classified as high Al 2 O 3 Slag (13 ) exhibit a higher compressive strength at all ages and mixture compositions compared to slags B C and D.

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  • Influence of Slag Composition and Temperature on the

    The wide variability in the use of GGBS as a SCM in different climates coupled with differences in chemical composition is bound to have impact on the performance of slag blends. This study investigated the combined influence of difference in slag composition and temperature on the performance of slag blends.

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  • The influence of slag basicity and composition on ConArc

    The total volume change of the cavity due to slag attack was calculated and expressed as a wear rate. Apart from the visual evaluation of the amount of corrosion samples taken from the sectioned crucibles were The influence of slag basicity and composition on ConArc magnesia-carbon

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  • Effect of slag chemistry on the hydration of alkali

    Nov 20 2014 · This paper presents results of detailed investigations about the alkaline activation of ground granulated blast furnace slags whose chemical composition were modified. Sodium hydroxide and potassium silicates were used as alkaline activators. The influence of the CaO/SiO2 ratio the Al2O3 and TiO2 content of the slag composition on the hydration reaction was analyzed utilizing isothermal

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  • Influence of slag composition and temperature on the

    21 basic slag had higher strengths and greater degrees of hydration especially at the high 22 temperature. The results showed that temperature had a much greater influence on 23 the reactivity of the slags than the difference in chemical composition. 24 Keywords GGBS slag composition temperature hydration microstructure slag 25 blends

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  • A Kinetic Model to Predict the Compositions of Metal Slag

    Figure 2 shows the influence of α on the changes in the average composition of the total inclusion with time. 1) When α is 10–6 /s the calculated change in the Al2O3 con-tent is in good agreement with the operational results. The calculated changes of MgO and CaO also show a tendency to increase which is similar to that of the operational

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  • THE INFLUENCE OF THE SLAG COMPOSITION ON THE

    the composition of the slag. For various mixtures within the system CaF 2-CaO-Al 2 O 3 the sulfide capacity was experimentally determined 9 but outside this common slag system little information can be found with regard to the impact of slag constituents on the desulfurization.

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  • Influence of slag composition on the stability of steel in

    Table 1 Chemical composition of the raw materials used obtained by XRF Oxidesa (wt ) Blast furnace slag Silicomanganese slag CaO 41.8 25.6 SiO 2 36.0 42.8 Al 2O 3 11.3 13.1 MgO 6.5 3.7 SO 3 0.7 0.7 Fe 2O 3 0.3 0.1 TiO 2 0.5MnO or Mn 3O 4 0.3 as MnO 10.6 as Mn 3O 4 K 2O 0.4 1.2 Others 0.3 1.9 LOI 1.95 0.14 LOI is the loss on ignition at 1000 C

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  • Influence of composition of slag and carbonaceous

    The influence of liquid and solid composition on wetting has been discussed. The concept of a modified slag composition present at the slag/carbon interface during the interaction is introduced due to the presence of ash in the carbonaceous material. The wetting behaviour is found to be a function of the composition of this modified slag.

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  • The influence of slag basicity and composition on ConArc

    The total volume change of the cavity due to slag attack was calculated and expressed as a wear rate. Apart from the visual evaluation of the amount of corrosion samples taken from the sectioned crucibles were The influence of slag basicity and composition on ConArc magnesia-carbon

    Get Price
  • THE INFLUENCE OF THE SLAG COMPOSITION ON THE

    the composition of the slag. For various mixtures within the system CaF 2-CaO-Al 2 O 3 the sulfide capacity was experimentally determined 9 but outside this common slag system little information can be found with regard to the impact of slag constituents on the desulfurization.

    Get Price
  • The Influence of Activator Composition on the Strength

    For this purpose the influence of the activator composition i.e. the SiO 2 and Na 2 O concentration of the alkaline solution on a) the compressive strength b) shrinkage and mass change and c) the resistance against chloride penetration of four alkali-activated slag mortars (AASM) were studied. An ordinary Portland cement-based mortar was

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  • Influence of Al2O3 Content on the Melting and Fluidity of

    The change in slag composition leads to the disintegration or aggregation of. Hence when the structure changes the viscosity of molten slag may decline or increase accordingly.

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  • THE INFLUENCE OF THE SILICATE SLAG COMPOSITION ON

    slag s composition has dominant influence on copper losses with the slag 5-8 . The slag is a silicate solution with SiO2 and FeO as dominant constituents. Accordingly the prevailing compound of the slag is fayalite (2FeO.SiO2). Silicate solution is able for sustaining of the complex polymeric compounds which in presence of the basic

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  • THE INFLUENCE OF THE SILICATE SLAG COMPOSITION ON

    slag s composition has dominant influence on copper losses with the slag 5-8 . The slag is a silicate solution with SiO2 and FeO as dominant constituents. Accordingly the prevailing compound of the slag is fayalite (2FeO.SiO2). Silicate solution is able for sustaining of the complex polymeric compounds which in presence of the basic

    Get Price
  • A Kinetic Model to Predict the Compositions of Metal Slag

    Figure 2 shows the influence of α on the changes in the average composition of the total inclusion with time. 1) When α is 10–6 /s the calculated change in the Al2O3 con-tent is in good agreement with the operational results. The calculated changes of MgO and CaO also show a tendency to increase which is similar to that of the operational

    Get Price
  • THE SLAG COMPOSITION INFLUENCE ON THE

    The aim of this study was to investigate existing slag system from practice and to define the optimal composition of the EAF slag in order to improve dephosphorization effectiveness and help to protect the EAF refractory lining. 2 Experimental methods The influence of the most important slag constituents (CaO MgO FeO MnO SiO 2 Al 2O3) on

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  • Optimization of Refining Slag Composition and the

    Dec 14 2019 · The cleanliness level in the slabs of micro-alloy structure steel produced in the BOF–CAS–CC process was studied by optimizing the compositions of molten steel and refining slag in trial heats. When the slag composition was controlled in the range of CaO = 45–53 wt Al2O3 = 28–32 wt SiO2 = 6–11 wt and MgO = 5–10 wt in CAS the steel composition should be in the range

    Get Price
  • (PDF) INFLUENCE OF LADLE SLAG COMPOSITION ON THE FORMATION

    INFLUENCE OF LADLE SLAG COMPOSITION ON THE FORMATION OF MgO-RICH INCLUSIONS The inclusions belonging to the system Al2O3-CaO-MgO-SiO2 showed a continuous composition change throughout the

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  • CHAPTER 7 THE DYNAMIC RESPONSE OF A FREEZE-LINING

    THE DYNAMIC RESPONSE OF A FREEZE-LINING TO CHANGES IN SLAG BATH COMPOSITION This chapter similar to CHAPTER 6 describes a series of experiments conducted with the FLC model. The purpose of these experiments was to study the influence of changes in slag bath composition on the dynamic behaviour of the furnace wall and freeze lining.

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