Download 6th International Symposium on High-Temperature by Tao Jiang, Jiann-Yang Hwang, Gerardo R. F. Alvear Flores, PDF

By Tao Jiang, Jiann-Yang Hwang, Gerardo R. F. Alvear Flores, Onuralp Yucel, Xinping Mao, Hong Yong Sohn, Naiyang Ma, Phillip J. Mackey, Thomas P. Battle

The research, improvement, and/or operation of extreme temperature methods that contain the construction of ferrous and nonferrous metals, alloys, and refractory and ceramic fabrics are lined within the publication. The leading edge equipment for reaching impurity segregation and removing, derivative restoration, waste minimization, and/or strength potency also are concerned. 8 subject matters are offered: 1: excessive potency New Metallurgical technique and know-how 2: primary examine of Metallurgical technique three: Alloys and fabrics coaching four: Direct aid and Smelting relief five: Coking, New power and surroundings 6: usage of strong Slag/Wastes and complicated Ores 7: Characterization of extreme temperature Metallurgical Process

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Extra resources for 6th International Symposium on High-Temperature Metallurgical Processing

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In this experiments Mg stoichiometry changed and catalysts effect investigated. Table IV presents initial conditions of SHS experiment, than this mixture characterized by XRD. Figure 5 shows XRD results of the SHS products. Table IV Initial Conditions of TiB2 SHS Experiments 4 30 Figure 5. XRD Patterns of Unleached and leached TiB2 The second series of the TiB2 experiments repeated under argon atmosphere Figure 6 shows the XRD results of this set. For atmospheric experiments all impurities were eliminated in 90% stoichiometric Mg experiment, on the other hand at Ar atmosphere both 90% stoichiometric and 100% stoichiometric conditions perfectly eliminated Mg phases.

2 28 Results and Discussions The first experimental set ZrB2 was produced via SHS. After the SHS process optimum leaching parameters were determined. Molar boron oxide ratio was changed. Table II shows the initial molar ratio of the mixture and Figure 3 shows the XRD results of the SHS products. Table II. Initial Molar Ratios of the First Experimental Set Initial Molar Ratios (ZrO2/B2O3/Mg) 1 /1 / 5 1/2/5 1 /2,5 / 5 1 /3 / 5 Figure 3. XRD Patterns of ZrB2 XRD results show many Mg phases, to eliminate this impurities leaching prosess was carried out.

Table II shows the initial molar ratio of the mixture and Figure 3 shows the XRD results of the SHS products. Table II. Initial Molar Ratios of the First Experimental Set Initial Molar Ratios (ZrO2/B2O3/Mg) 1 /1 / 5 1/2/5 1 /2,5 / 5 1 /3 / 5 Figure 3. XRD Patterns of ZrB2 XRD results show many Mg phases, to eliminate this impurities leaching prosess was carried out. Table III shows leaching conditions and Figure 4 presents XRD results of leached product. Table III. 5 M HCl solutions 3 29 Figure 4.

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