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| PHASE COMPOSITION OF HIGH Ti-SLAG WITH HIGH Mg AND Ca CONTENTS |
| Cheng Li (Guizhou Polytechical Institute): Yang Jingchun (Kunming Institute of Metallurgy) |
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Cite this article:
Cheng Li (Guizhou Polytechical Institute): Yang Jingchun (Kunming Institute of Metallurgy). PHASE COMPOSITION OF HIGH Ti-SLAG WITH HIGH Mg AND Ca CONTENTS. Acta Metall Sin, 1982, 18(6): 746-751.
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Abstract Five phases were determined by means of quantitative EPMA, SEM, X-ray diffraction, etc. in the high Ti-slag with high Mg and Ca contents, smelted by 6000 kVA electric furnace. The principal phase is the anosovite solid solution of Ti_3O_5 type in amount of 87.06% of the slag. Along the grain interfaces of the solid solution phase, CaO concentrated mainly in the form of 2CaO·TiO_2. This is the phase area so called the crystal phase enriched Ca and Mg. Most MgO is collected in the glass phase which is about 10.90% of the slag. Other two minor phases are found to be Ti-Fe alloy and metallic Fe. Thus, the calculated structural formula of such an anosovite in the slag seems to be: 0.15[(Mg_(0.27)Ti_(0.73))0.2TiO_2]·0.85[Ti_2O_3·TiO_2]
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Received: 18 June 1982
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1． 莫畏;邓国珠;陆德祯等,钛冶金,冶金工业出版社,北京1979． p.133．
2． 李孝伟;邓国珠;高国强;张淑文,未发表资料,1980．
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