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Application of chromite in the production of refractory coatings

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Authors
Aćimović, Zagorka
Terzić, Anja
Andrić, Ljubiša
Pavlović, Ljubica
Pavlović, Marko
Article (Published version)
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Abstract
This work investigated the possibility of developing new chromite-based refractory coatings for hot metal casting applications. The coating composition and rheological properties were optimized by careful choice of binding agents and addition of a suspension maintenance agent in the coating. Different solvents (water and isopropyl alcohol) and casting methods were used in the tests. Chromite was used as refractory filler in both the water- And alcohol-based coating compositions. The chromite was examined by X-ray diffraction analysis and scanning electron microscopy. The chromite shape and grain size were analysed visually with the aid of the OZARIA 2.5 PC image analysis package. Test samples were cast using sand moulds and by the method of expandable patterns using a polymer model, also known as the "lost foam" casting process. The investigation demonstrated that water- And alcohol-based coatings have positive influence on the surface quality, structural and mechanical properties of a...lloy castings made with both casting processes.

Keywords:
Sand moulds / Refractory coating / Lost foam casting / Image analysis / Chromite
Source:
InterCeram: International Ceramic Review, 2013, 62, 4, 290-293
Publisher:
  • Verlag Schmidt GmbH

ISSN: 0020-5214

Scopus: 2-s2.0-84899540024
[ Google Scholar ]
1
Handle
https://hdl.handle.net/21.15107/rcub_rims_221
URI
http://rims.institutims.rs/handle/123456789/221
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Aćimović, Zagorka
AU  - Terzić, Anja
AU  - Andrić, Ljubiša
AU  - Pavlović, Ljubica
AU  - Pavlović, Marko
PY  - 2013
UR  - http://rims.institutims.rs/handle/123456789/221
AB  - This work investigated the possibility of developing new chromite-based refractory coatings for hot metal casting applications. The coating composition and rheological properties were optimized by careful choice of binding agents and addition of a suspension maintenance agent in the coating. Different solvents (water and isopropyl alcohol) and casting methods were used in the tests. Chromite was used as refractory filler in both the water- And alcohol-based coating compositions. The chromite was examined by X-ray diffraction analysis and scanning electron microscopy. The chromite shape and grain size were analysed visually with the aid of the OZARIA 2.5 PC image analysis package. Test samples were cast using sand moulds and by the method of expandable patterns using a polymer model, also known as the "lost foam" casting process. The investigation demonstrated that water- And alcohol-based coatings have positive influence on the surface quality, structural and mechanical properties of alloy castings made with both casting processes.
PB  - Verlag Schmidt GmbH
T2  - InterCeram: International Ceramic Review
T1  - Application of chromite in the production of refractory coatings
EP  - 293
IS  - 4
SP  - 290
VL  - 62
UR  - https://hdl.handle.net/21.15107/rcub_rims_221
ER  - 
@article{
author = "Aćimović, Zagorka and Terzić, Anja and Andrić, Ljubiša and Pavlović, Ljubica and Pavlović, Marko",
year = "2013",
abstract = "This work investigated the possibility of developing new chromite-based refractory coatings for hot metal casting applications. The coating composition and rheological properties were optimized by careful choice of binding agents and addition of a suspension maintenance agent in the coating. Different solvents (water and isopropyl alcohol) and casting methods were used in the tests. Chromite was used as refractory filler in both the water- And alcohol-based coating compositions. The chromite was examined by X-ray diffraction analysis and scanning electron microscopy. The chromite shape and grain size were analysed visually with the aid of the OZARIA 2.5 PC image analysis package. Test samples were cast using sand moulds and by the method of expandable patterns using a polymer model, also known as the "lost foam" casting process. The investigation demonstrated that water- And alcohol-based coatings have positive influence on the surface quality, structural and mechanical properties of alloy castings made with both casting processes.",
publisher = "Verlag Schmidt GmbH",
journal = "InterCeram: International Ceramic Review",
title = "Application of chromite in the production of refractory coatings",
pages = "293-290",
number = "4",
volume = "62",
url = "https://hdl.handle.net/21.15107/rcub_rims_221"
}
Aćimović, Z., Terzić, A., Andrić, L., Pavlović, L.,& Pavlović, M.. (2013). Application of chromite in the production of refractory coatings. in InterCeram: International Ceramic Review
Verlag Schmidt GmbH., 62(4), 290-293.
https://hdl.handle.net/21.15107/rcub_rims_221
Aćimović Z, Terzić A, Andrić L, Pavlović L, Pavlović M. Application of chromite in the production of refractory coatings. in InterCeram: International Ceramic Review. 2013;62(4):290-293.
https://hdl.handle.net/21.15107/rcub_rims_221 .
Aćimović, Zagorka, Terzić, Anja, Andrić, Ljubiša, Pavlović, Ljubica, Pavlović, Marko, "Application of chromite in the production of refractory coatings" in InterCeram: International Ceramic Review, 62, no. 4 (2013):290-293,
https://hdl.handle.net/21.15107/rcub_rims_221 .

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