Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings

© 2015 Elsevier B.V. Stainless steel-based feedstock powders with nano-iron oxide particles (from direct addition and thermal oxidation) were prepared by ball milling and oxidation process, respectively. It was found that iron oxide nanoparticles were on the surface of stainless steel powders in the...

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Main Authors: Limpichaipanit A., Wirojanupatump S., Jiansirisomboon S.
Format: Article
Published: Elsevier 2015
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http://cmuir.cmu.ac.th/handle/6653943832/38948
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-389482015-06-16T07:54:40Z Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings Limpichaipanit A. Wirojanupatump S. Wirojanupatump S. Jiansirisomboon S. Jiansirisomboon S. Surfaces, Coatings and Films Surfaces and Interfaces Chemistry (all) Materials Chemistry Condensed Matter Physics © 2015 Elsevier B.V. Stainless steel-based feedstock powders with nano-iron oxide particles (from direct addition and thermal oxidation) were prepared by ball milling and oxidation process, respectively. It was found that iron oxide nanoparticles were on the surface of stainless steel powders in the form of particulates (deliberate addition of magnetite and hematite) or nanoplatelets (thermal oxidation). The powders were thermal sprayed by low velocity oxy-fuel (LVOF) technique. The stainless steel-based coatings had the typical thermal spray microstructure, including splats, oxide layers, unmelted particles and pores. There were no nanoparticles seen in the microstructure due to complete oxide melting at the flame spray temperature and iron oxide in all coatings was in the form of hematite. Considering physical properties, porosity was decreased when there were second phase nanoparticles and thickness was very similar except the coating with hematite addition. Hardness of the coatings was slightly increased when incorporating with iron oxide nanoparticles. Sliding wear rate and friction coefficient of the nanocomposite coatings were lower than that of the pure stainless steel. Iron oxide nanoparticles could improve hardness and sliding wear resistance in the stainless steel-based coatings due to an increasing amount of iron oxide in the coatings. 2015-06-16T07:54:40Z 2015-06-16T07:54:40Z 2015-01-01 Article 02578972 2-s2.0-84929128627 10.1016/j.surfcoat.2015.04.018 http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929128627&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/38948 Elsevier
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Surfaces, Coatings and Films
Surfaces and Interfaces
Chemistry (all)
Materials Chemistry
Condensed Matter Physics
spellingShingle Surfaces, Coatings and Films
Surfaces and Interfaces
Chemistry (all)
Materials Chemistry
Condensed Matter Physics
Limpichaipanit A.
Wirojanupatump S.
Wirojanupatump S.
Jiansirisomboon S.
Jiansirisomboon S.
Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
description © 2015 Elsevier B.V. Stainless steel-based feedstock powders with nano-iron oxide particles (from direct addition and thermal oxidation) were prepared by ball milling and oxidation process, respectively. It was found that iron oxide nanoparticles were on the surface of stainless steel powders in the form of particulates (deliberate addition of magnetite and hematite) or nanoplatelets (thermal oxidation). The powders were thermal sprayed by low velocity oxy-fuel (LVOF) technique. The stainless steel-based coatings had the typical thermal spray microstructure, including splats, oxide layers, unmelted particles and pores. There were no nanoparticles seen in the microstructure due to complete oxide melting at the flame spray temperature and iron oxide in all coatings was in the form of hematite. Considering physical properties, porosity was decreased when there were second phase nanoparticles and thickness was very similar except the coating with hematite addition. Hardness of the coatings was slightly increased when incorporating with iron oxide nanoparticles. Sliding wear rate and friction coefficient of the nanocomposite coatings were lower than that of the pure stainless steel. Iron oxide nanoparticles could improve hardness and sliding wear resistance in the stainless steel-based coatings due to an increasing amount of iron oxide in the coatings.
format Article
author Limpichaipanit A.
Wirojanupatump S.
Wirojanupatump S.
Jiansirisomboon S.
Jiansirisomboon S.
author_facet Limpichaipanit A.
Wirojanupatump S.
Wirojanupatump S.
Jiansirisomboon S.
Jiansirisomboon S.
author_sort Limpichaipanit A.
title Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
title_short Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
title_full Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
title_fullStr Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
title_full_unstemmed Fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
title_sort fabrication and properties of thermal sprayed stainless steel-based nanocomposite coatings
publisher Elsevier
publishDate 2015
url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929128627&origin=inward
http://cmuir.cmu.ac.th/handle/6653943832/38948
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