CHEMICAL SYNTHESIS OF NANO-TITANIUM DIBORIDE POWDERS BY BOROTHERMIC REDUCTION

Author:

FARD H. SINAEI POUR1,BAHARVANDI H. R.1,ABDIZADEH H.2,SHAHBAHRAMI B.1

Affiliation:

1. Malek-Ashtar University of Technology, Tehran, P.O. Box: 14395-553, Iran

2. School of Metallurgy and Materials Engineering, University of Tehran, Tehran, P.O. Box: 14395-553, Iran

Abstract

Titanium diboride ( TiB 2) is one of the candidate materials for high temperature structural applications and also for control rod elements in high temperature nuclear reactors. In this paper the nano-sized titanium diboride powders were synthesized through a borothermic reduction by using TTIP and B 4 C as titanium and boron sources. Three different concentration of TTIP solutions were prepared: 0.033, 0.050 and 0.10 M. After heat treating of products between 900 to 1200°C, the scanning electron microscopy (SEM) images and X-ray diffraction patterns of powder indicated that by using the 0.10 M TTIP, the only product was TiB 2; otherwise the product was TiB 2- B 4 C composite.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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