Abstract
The effect of TiO2 addition to the stainless steel slag glass-ceramics was studied. Different mass percentages of TiO2 were added to four samples of the parent glass made from stainless steel slag and cullet. The temperatures of nucleation and crystallization were determined by differential scanning calorimetry (DSC). According to X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis, adding TiO2 refined grains and restricted the formation of the akermanite phase by capturing Ca2+ to form the perovskite phase. Diopside was the main crystal phase of the glass-ceramics. The bending strength and Vickers hardness increased with the addition of TiO2. The optimal amount of TiO2 was 7 mass%, and the highest bending strength and Vickers hardness were 144.6 MPa and 6.26 GPa, respectively.
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Foundation Item: Item Sponsored by National Natural Science Foundation of China (51502014, 51472030, U1360202); National Key Project of the Scientific and Technical Support Program of China (2012BAC02B01); National Hi-tech Research and Development Program of China (2012AA063202)
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Yang, J., Zhang, Sg., Liu, B. et al. Effect of TiO2 on Crystallization, Microstructure and Mechanical Properties of Glass-ceramics. J. Iron Steel Res. Int. 22, 1113–1117 (2015). https://doi.org/10.1016/S1006-706X(15)30120-5
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DOI: https://doi.org/10.1016/S1006-706X(15)30120-5