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| Influence of the addition of ordinary ore on vanadium- titanium sinter properties |
| ZHOU Mi,JIANG Tao, YANG Song- tao, WANG Yan- jun,ZHANG Li- heng,XUE Xiang- xin |
| School of Materials and Metallurgy,Northeastern University，Shenyang 110819，Liaoning，China |
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Abstract Vanadium- titanium (V- Ti) sinter，V- Ti sinter with YD ore，MF ore，ZF ore and mix ore (YD+MF+ZF) addition ,respectively，were produced by sinter pot. In addition，sintering rate，burning loss，yield(>5 mm),sinter strength (TI) ,RDI>3. 15 mm and softening properties were determined and analyzed. The results show that the quality of V- Ti sinter is poor，in particular RDI>3. 15 mm with a lower productivity. It is beneficial to improve quality and productivity by adding ordinary ores in V- Ti sinter mixture. The granulation properties and chemical composition，etc. should be considered together to ensure a certain content of SiO2，MgO and not too high- Al2O3 content with high permeability in sinter mixture. With YD,MF,ZF ,mix (YD+MF+ZF) ore addition，sintering rate and softening properties are all improved. V- Ti sinter with ZF addition has the highest TI (64. 25%)and a higher RDI>3. 15 mmbut a lower yield. V- Ti sinter with YD addition has a higher TI (64. 21%)and a higher yield but the lowest RDI>3. 15 mm. V- Ti sinter with MF addition improves TI and RDI>3. 15 mm with a higher burning loss and a lower- grate iron. The quality and productivity of V- Ti sinter with 13% (YD+MF+ZF) addition are better than that with 6. 5% (YD+MF+ZF) addition.
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Received: 22 September 2014
Published: 18 August 2015
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2015, Vol. 50 
