TEM characterization and synthesis of nanoparticle B4C by high-energy milling

Year 2019, , 195 - 201, 15.12.2019

Hakan Gökmeşe , Bulent Bostan Talha Alper Yilmaz Ufuk Tasci

https://doi.org/10.35860/iarej.630999

Cited By: 4

Abstract

In this study, nanoparticle B₄C synthesis was carried out by
high-energy milling. For this purpose, B₂O₃-C-Mg triple
systems were used in the reaction stoichiometric ratios as starting materials
in the experimental studies. The reduction process of B₂O₃
was performed using speks type milling device. The transformation of the
ceramic phase of the nanoparticle B₄C by XRD analysis was examined.
In terms of microstructural characterization of its powder shape and
morphology, TEM (imaging and selected area diffraction pattern) investigations
were conducted. The product synthesized by the leaching process was cleaned
from MgO/B₄C impurities and the production of the nanoparticle B₄C
was performed. After leaching processes, it was determined that some of the
synthesized powders were below 50 nm, while others varied between the ranges of
50-350 nm. In TEM examinations of B₄C particles carried out after
leaching process, it was seen that there were twin formations observed as
planar error. Depending on the d values calculated by solving the TEM
diffraction patterns, the planes represented by nano-sized B₄C
particles were determined.

Keywords

TEM, Diffraction pattern, B4C, Nanoparticle, Synthesis

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