Mining

Advances in Metallurgical and Mining Engineering by Edited by Hongxi Zhu Linjiang Wang

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By Edited by Hongxi Zhu Linjiang Wang

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The oxidation kinetics of copper or aluminum added with magnesium was investigated by a modified Chou model. The effect of the addition of magnesium in copper or aluminum was discussed. 34 was the highest among Cu-Mg alloys at 600-900 °C, which indicated that it had the best oxidation resistance in all of the samples. 71 times power law. Introduction The conductivity of Cu is excellent in most metals. 59×10-8Ω•m) [1]. With the excellent ductility and oxidation resistance, Au is widely used in the tiny size or high temperature occasion, such as integrated circuit (IC).

The calculating results are consistent with the former references [3-6], it is proved that the model reflects the structure features of the slag. Because the alkaline of CaO is stronger than FeO, CaO will replace FeO from 2FeO·SiO2. the FeO concentration increases with the CaO concentration increasing as the other conditions unchanged, thus the NFetO increases too. On the other hand, CaO concentration increasing lead to the increase of the O2- number in slag, thus the O2-activity increases, so the NFetO of slag will rise.

Kiyose, T. Tanaka, L. Holappa and M. Hämäläinen: The Iron and Steel Institute of Japan, Vol. 38. [9] M. Nakamoto, T. Tanaka, L. Holappa and M. Hämäläinen: The Iron and Steel Institute of Japan, Vol. 211. [10] M. Nakamoto, M. Hanao, T. Tanaka, M. Kawamoto, L. Holappa and M. Hämäläinen: The Iron and Steel Institute of Japan, Vol. 1075. [11] M. Hanao, T. Tanaka, M. Kawamoto and K. Takatani: The Iron and Steel Institute of Japan, Vol. 935. [12] Z. 54. Z. 319. cn Key words: BF slag; Alkali metal oxides; FetO activity; composition; coexistence theory of slag structure Abstract.

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