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Download 8th International Symposium on High-Temperature by Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp PDF

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By Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp Yücel, P. Chris Pistorius, Varadarajan Seshadri, Baojun Zhao, Dean Gregurek, Ender Keskinkilic

This assortment beneficial properties contributions protecting the advances and advancements of latest high-temperature metallurgical applied sciences and their purposes to the parts of: processing of minerals; extraction of metals; education of metal, refractory, and ceramic fabrics; remedy and recycling of slag and wastes; conservation of power; and environmental safety. the amount could have a huge influence at the teachers and execs serving the metallurgical industries around the globe through supplying them with complete insurance of a wide selection of topics.

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However, if these oxides heated by the radiating iron chips sinter before the formation of the melt, a part of the oxides is left unaffected and hence does not fall into the melt. This will damage the product’s composition as the stoichiometry of the reaction cannot be fulfilled. Pictures of a sample after synthesis and of a sintered oxide crust are given in Fig. 3. To solve the crust formation problem, excess iron is used. Iron, when melting, pierces the oxide charge. With extra iron, and a good spread of the iron chips on the oxide charge surface, the crust is avoided.

Peng et al. reduction time. 58% at 1050 °C. Further increase in time causes excessive consumption of carbon. The metallic grains formed are expected to undergo re-oxidation. When the flow rate is 4 L min−1, the metallization degree remains at the maximum value and a larger flow rate adversely affects the heat transfer which reduces the degree of metallization. As the metallization degree declines with increasing briquetting pressure, it is indicated that the compacted structure will restrain the diffusion of CO that is unfavorable to the reduction.

Fig. 4 Picture of a chromite sample (x = 0, y = 0) 18 V. Canaguier et al. Table 3 Metallic ratios from EDS measurements and targeted values for the (Fe1−xMgx) (Cr1−yAly)2O4 samples Ref. 254 Point analysis were carried out on the samples to verify the metal ratios within the spinel phase. Two sets of point, near the center of the sample and near the edge, have been measured. The concept was to investigate whether a possible compositional gradient in aluminum or magnesium content exist between the first and last solid phases formed.

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