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High performance heat-resistant coatings based on natural ores

High performance heat-resistant coatings based on natural ores The purpose of this paper is to prepare new economical thermal resistant coatings containing white sand (WS) and kaolin (K) fillers, which are cheap natural ores in Egypt and are sources for ceramic materials such as SiO2 and Al2O3.Design/methodology/approachThis paper investigates the effect of heat at 500°C on the durability of mild steel samples coated with silicon coatings. The coated plates were exposed to elevated temperatures according to ASTM D 2485 to determine their stability. Thermal gravimetric analysis and scanning electron microscopy were used to investigate the thermal stability of the modified films.FindingsIt was revealed that the composite fillers can enhance the thermal stability of silicon coatings. Another advantage of using the prepared composite fillers is promoting the dryness of silicon resin without heat.Research limitations/implicationsDifferent natural ores were used as ceramic filler to enhance the thermal stability of silicon coatings.Originality/valueNew economical thermal-resistant coatings containing white sand and kaolin were prepared to replace the expensive thermal coatings; also, they can be used in industries other than coatings, e.g. paper, rubber and plastics composites. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

High performance heat-resistant coatings based on natural ores

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References (25)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0369-9420
DOI
10.1108/prt-05-2017-0051
Publisher site
See Article on Publisher Site

Abstract

The purpose of this paper is to prepare new economical thermal resistant coatings containing white sand (WS) and kaolin (K) fillers, which are cheap natural ores in Egypt and are sources for ceramic materials such as SiO2 and Al2O3.Design/methodology/approachThis paper investigates the effect of heat at 500°C on the durability of mild steel samples coated with silicon coatings. The coated plates were exposed to elevated temperatures according to ASTM D 2485 to determine their stability. Thermal gravimetric analysis and scanning electron microscopy were used to investigate the thermal stability of the modified films.FindingsIt was revealed that the composite fillers can enhance the thermal stability of silicon coatings. Another advantage of using the prepared composite fillers is promoting the dryness of silicon resin without heat.Research limitations/implicationsDifferent natural ores were used as ceramic filler to enhance the thermal stability of silicon coatings.Originality/valueNew economical thermal-resistant coatings containing white sand and kaolin were prepared to replace the expensive thermal coatings; also, they can be used in industries other than coatings, e.g. paper, rubber and plastics composites.

Journal

Pigment & Resin TechnologyEmerald Publishing

Published: Aug 22, 2018

Keywords: Coatings; Ceramics; Silicon; Composite materials; Heat treatment; Inorganic compounds; Materials with purpose; Kaolin; Coated films; Heat resistant fillers; Thermal properties; White sand

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