Effect of B2O3 on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite

This work studied the effect of B2O3 (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the feasibility of applying solid waste containing B<su...

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Main Authors:	Hao Liu, Ke Zhang, Yuelin Qin, Henrik Saxén, Weiqiang Liu, Xiaoyan Xiang
Format:	Article
Language:	English
Published:	MDPI AG 2020-09-01
Series:	Metals
Subjects:	B<sub>2</sub>O<sub>3</sub> vanadium–titanium sintering metallurgical properties microstructures
Online Access:	https://www.mdpi.com/2075-4701/10/9/1224

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spelling	doaj-bedf68a61b1a4737a7a58e5a56fbcf082020-11-25T03:45:56ZengMDPI AGMetals2075-47012020-09-01101224122410.3390/met10091224Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and HematiteHao Liu0Ke Zhang1Yuelin Qin2Henrik Saxén3Weiqiang Liu4Xiaoyan Xiang5School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaProcess and Systems Engineering Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Biskopsgatan 8, FI-20500 Åbo, FinlandProcess and Systems Engineering Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Biskopsgatan 8, FI-20500 Åbo, FinlandSchool of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, ChinaThis work studied the effect of B<sub>2</sub>O<sub>3</sub> (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the feasibility of applying solid waste containing B<sub>2</sub>O<sub>3</sub> in vanadium–titanium sintering. The results show that along with B<sub>2</sub>O<sub>3</sub> addition, the mechanical strength of the sinter first increases and then decreases; the maximum strength was found upon the addition of 3.0% of B<sub>2</sub>O<sub>3</sub>. The low-temperature reduction and pulverization rate of the vanadium–titanium sinter were also improved, while the start and end temperatures of softening showed a decreasing trend. The microstructure of the sinter was found to change from plate structure to particle and point structure, with uniformly distributed small areas. The sintering pots created by B<sub>2</sub>O<sub>3</sub> addition had low total porosity but a greater pore diameter than pots created without the reagent.https://www.mdpi.com/2075-4701/10/9/1224B<sub>2</sub>O<sub>3</sub>vanadium–titanium sinteringmetallurgical propertiesmicrostructures
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Hao Liu Ke Zhang Yuelin Qin Henrik Saxén Weiqiang Liu Xiaoyan Xiang
spellingShingle	Hao Liu Ke Zhang Yuelin Qin Henrik Saxén Weiqiang Liu Xiaoyan Xiang Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite Metals B<sub>2</sub>O<sub>3</sub> vanadium–titanium sintering metallurgical properties microstructures
author_facet	Hao Liu Ke Zhang Yuelin Qin Henrik Saxén Weiqiang Liu Xiaoyan Xiang
author_sort	Hao Liu
title	Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite
title_short	Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite
title_full	Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite
title_fullStr	Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite
title_full_unstemmed	Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite
title_sort	effect of b<sub>2</sub>o<sub>3</sub> on the sintering process of vanadium–titanium magnet concentrates and hematite
publisher	MDPI AG
series	Metals
issn	2075-4701
publishDate	2020-09-01
description	This work studied the effect of B<sub>2</sub>O<sub>3</sub> (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the feasibility of applying solid waste containing B<sub>2</sub>O<sub>3</sub> in vanadium–titanium sintering. The results show that along with B<sub>2</sub>O<sub>3</sub> addition, the mechanical strength of the sinter first increases and then decreases; the maximum strength was found upon the addition of 3.0% of B<sub>2</sub>O<sub>3</sub>. The low-temperature reduction and pulverization rate of the vanadium–titanium sinter were also improved, while the start and end temperatures of softening showed a decreasing trend. The microstructure of the sinter was found to change from plate structure to particle and point structure, with uniformly distributed small areas. The sintering pots created by B<sub>2</sub>O<sub>3</sub> addition had low total porosity but a greater pore diameter than pots created without the reagent.
topic	B<sub>2</sub>O<sub>3</sub> vanadium–titanium sintering metallurgical properties microstructures
url	https://www.mdpi.com/2075-4701/10/9/1224
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Effect of B<sub>2</sub>O<sub>3</sub> on the Sintering Process of Vanadium–Titanium Magnet Concentrates and Hematite

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