<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Promoted nanocrystalline iron was carburized in a differential tubular flow reactor with thermogravimetric measurement of mass changes. The carburization process was carried out in the presence of pure methane under atmospheric pressure at 650 °C to obtain different carburization degrees of the sample. The carburized iron samples were characterized by the X-ray diffraction, high-resolution transmission electron microscope in the energy-dispersive X-ray spectroscopy mode, thermoprogrammable oxidation, and Raman spectroscopy. As a result of the methane decomposition on the nanocrystalline iron the following nanocrystalline products were observed: iron carbide Fe3C, graphite, iron and nanotubes. The crystallinity of the samples increased with the carburization degree.</p></abstract>

Promoted nanocrystalline iron was carburized in a differential tubular flow reactor with thermogravimetric measurement of mass changes. The carburization process was carried out in the presence of pure methane under atmospheric pressure at 650 °C to obtain different carburization degrees of the sample. The carburized iron samples were characterized by the X-ray diffraction, high-resolution transmission electron microscope in the energy-dispersive X-ray spectroscopy mode, thermoprogrammable oxidation, and Raman spectroscopy. As a result of the methane decomposition on the nanocrystalline iron the following nanocrystalline products were observed: iron carbide Fe3C, graphite, iron and nanotubes. The crystallinity of the samples increased with the carburization degree.

Characterization of carbon deposit with controlled carburization degree

West Pomeranian University of Technology, ul. Pulaskiego 10, 70-322, Szczecin, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Characterization of carbon deposit with controlled carburization degree"}

Promoted nanocrystalline iron was carburized in a differential tubular flow reactor with thermogravimetric measurement of mass changes. The carburization...

Characterization of carbon deposit with controlled carburization degree

Published Online: Feb 09, 2013

Page range: 29 - 35

DOI: https://doi.org/10.2478/s13536-012-0063-7

Keywords
nanocrystalline iron, carburization process, carburization degree, carbon deposit, iron carbide

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Characterization of carbon deposit with controlled carburization degree

Published Online: Feb 09, 2013

Page range: 29 - 35

DOI: https://doi.org/10.2478/s13536-012-0063-7

Keywordsnanocrystalline iron, carburization process, carburization degree, carbon deposit, iron carbide

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
nanocrystalline iron, carburization process, carburization degree, carbon deposit, iron carbide