Microstructure Analysis of Fibrous Material Manufactured by Plasma Spray Method

Authors

  • Regina KALPOKAITĖ-DIČKUVIENĖ∗, Romualdas KĖŽELIS, Jūratė ČĖSNIENĖ, Kristina BRINKIENĖ, Arūnas BALTUŠNIKAS, Mindaugas MILIEŠKA Lithuanian Energy Institute

Keywords:

waste catalyst, plasma spraying, fibrous material, microstructure, crystallization

Abstract

This paper presents an investigation of the fibrous material manufactured by plasma spray technique employing non-equilibrium plasma spray technology at atmospheric pressure. Waste catalyst of oil refinery and petrochemical industries was used as raw material for fibrous material production. The influence of the plasma spray regimes on microstructure of the formed material was analyzed. Annealing of the fibrous material was performed in the temperature range from 900 °C up to 1200 °C for study of crystallization process and each time the crystallite size of the material was calculated. Crystallization of the fibrous material with formation of mullite phase started at 900 °C. Formation of cristobalite was observed after annealing at 1000 °C for 12 hours. SEM and XRD techniques were applied to examine the morphology, microstructure and composition of the samples

Downloads

Published

2009-09-04

Issue

Vol. 15 No. 3 (2009)

Section

CERAMICS AND GLASSES

License

 

The copyrights for articles in this journal are retained by the author(s), with first publication rights granted to the journal. By virtue of their appearance in this open-access journal, articles are free to use with proper attribution in educational and other non-commercial settings.