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Molten salt synthesis of potassium hexatitanate

Zaremba T.

Materials Science Poland

2012

Vol. 30, No. 3

180--188

Potassium hexatitanate fibrous crystals have been synthesized by a conventional solid-state reaction and via molten salt process. The molten salt process has been shown to be effective in preparing fine and non-agglomerated K2Ti6O13 whiskers. The type of molten salt (KCl, NaCl-KCl) has a significant effect on the chemical composition of the whiskers. By using a eutectic mixture of NaCl and KCl, the replacement of potassium ions in solid potassium hexatitanate by smaller sodium ions from the chloride fiux can be achieved. The characterization of the samples was carried out by means of XRD, SEM, EDX and WDX.