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Online ISSN: 2788-6867

Volume2, Issue1

Study of the Mechanical and Thermal Properties of Refractory Mortars from Kaolin and Bentonite

    Faten Hasan Gata ENAS MHUI

Journal of Applied Sciences and Nanotechnology, 2022, Volume 2, Issue 1, Pages 69-79
10.53293/jasn.2021.3743.1039

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Abstract

In this paper, Mortar was prepared from medium alumina refractory grog, bricks crashed as a mean material to a particular size, and Iraqi raw (kaolin or bentonite) as binding materials. Refractory bricks were crushed, milled, then sieved to three particle sizes: fine as (1.18 >fine> 0) mm, medium as (2.36 > medium > 1.18) mm, crushed as (400 > coarse > 2.36) mm. Then these particle sizes were mixed with Iraqi raw kaolin or bentonite with selected ratios (10,15,20,30 and 40) %. Specimens were formed by the wetting method, then drying it at laboratory temperature for one day, followed by firing it at 1200 ℃. Results showed that the porosity of specimens decreases when increasing the clay ratio from 3-4% (kaolin or bentonite), and the bond strength between grog and clay increases when increasing the clay ratio from 2-3% (kaolin or bentonite). Also, the diametrical strength increases when increasing the clay ratio from 4-7% (kaolin or bentonite). The thermal shock results showed that K-mortar is better than B-mortar, depending on the results we obtained through the effect of temperature and diametrical strength. The SEM results showed that mortar structure was produced by adding 40% bentonite with small irregularly shaped. The mortar was produced by adding 40% of kaolin which possesses regular mullite crystals. Finally, the results of the test EDS that K-mortar were revealed in showed that there is no adsorption of carbon while B-mortar showed that there is adsorption of carbon atoms.
Keywords:
    Mortar Kaolin Bentonite Lining furnace Mechanical properties
Main Subjects:
  • Materials Science
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(2022). Study of the Mechanical and Thermal Properties of Refractory Mortars from Kaolin and Bentonite. Journal of Applied Sciences and Nanotechnology, 2(1), 69-79. doi: 10.53293/jasn.2021.3743.1039
Faten Hasan Gata; ENAS MHUI. "Study of the Mechanical and Thermal Properties of Refractory Mortars from Kaolin and Bentonite". Journal of Applied Sciences and Nanotechnology, 2, 1, 2022, 69-79. doi: 10.53293/jasn.2021.3743.1039
(2022). 'Study of the Mechanical and Thermal Properties of Refractory Mortars from Kaolin and Bentonite', Journal of Applied Sciences and Nanotechnology, 2(1), pp. 69-79. doi: 10.53293/jasn.2021.3743.1039
Study of the Mechanical and Thermal Properties of Refractory Mortars from Kaolin and Bentonite. Journal of Applied Sciences and Nanotechnology, 2022; 2(1): 69-79. doi: 10.53293/jasn.2021.3743.1039
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Journal Information

Publisher: University of Technology - IRAQ

Email:  jasn@uotechnology.edu.iq

Editor-in-chief: Prof. Dr. Adawiya J. Haider

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Applied Sciences and Nanotechnology (JASN)

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