Low-temperature molten salt synthesis of forsterite powders with controllable morphology

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• 作者：Zhou Fu Wang ; Mei Jing Chen ; Yan Ma ; Hao Liu ; Chun Hui Han and Xi Tang Wang
• 刊名：International Journal of Applied Ceramic Technology
• 出版年：2017
• 出版时间：January/February 2017
• 年：2017
• 卷：14
• 期：1
• 页码：3-8
• 全文大小：1005K
• ISSN：1744-7402

文摘

Forsterite powders with controllable morphology were synthesized using oxides as raw materials in NaCl–KCl molten salt media. The effects of MgO/SiO₂ ratio, calcining temperature, and salt/oxide ratio on the phase composition and morphology of the powders are investigated. The results indicate that single-phase forsterite powders can be synthesized from a mixture of MgO and SiO₂ with a MgO/SiO₂ molar ratio of 2:1.3 at 700°C. With the increase in calcining temperature, the powders obtained changes from an irregular to a columnar morphology. In addition, the morphology of the forsterite powders produced can also be controlled by altering the salt/oxide ratio.