Synthesis of Fe-TiC Hard Coating From Ilmenite Via Laser Cladding

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KHALILI A.; MOJTAHEDI M.; GOODARZI M.; TORKAMANY M.J.

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Journal Paper

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Journal: Iranian Journal of Materials Science and Engineering Year:2019 | Volume:16 | Issue:3 Page(s): 75-86

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Title

Synthesis of Fe-TiC Hard Coating From Ilmenite Via Laser Cladding

Author(s)

KHALILI A. | MOJTAHEDI M. | GOODARZI M. | TORKAMANY M.J. | Issue Writer Certificate

Keywords

laser surface treatment

cladding

hard coating

TiC particles

carbothermic reduction

Abstract

The aim of this work was to synthesize TiC reinforced coating on carbon steel via reduction of ilmenite powder. A mixture of ilmenite and graphite was pre-placed on AISI 1020 steel surface. The effect of the addition of excess graphite amounts on the progress of the synthesis of carbide particles was studied. The evolution of phases in different coatings was analyzed via X-ray diffraction and scanning electron microscopy. Then, the initial powder mixtures were mechanically activated for various durations, to accelerate the reactions in the transient melt pool. Finally, the Fe-TiC hard coating was successfully synthesized by carbothermic reduction of ilmenite through laser surface treatment. Moreover, it is proved that combination of mechanical activation with additive laser melting effectively improves the level of ilmenite reduction, besides enhancing the distribution of hard particles and the hardness of the coatings to more than 1300 HV.

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APA: Copy

KHALILI, A., MOJTAHEDI, M., GOODARZI, M., & TORKAMANY, M.J.. (2019). Synthesis of Fe-TiC Hard Coating From Ilmenite Via Laser Cladding. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, 16(3), 75-86. SID. https://sid.ir/paper/276908/en

Vancouver: Copy

KHALILI A., MOJTAHEDI M., GOODARZI M., TORKAMANY M.J.. Synthesis of Fe-TiC Hard Coating From Ilmenite Via Laser Cladding. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING[Internet]. 2019;16(3):75-86. Available from: https://sid.ir/paper/276908/en

IEEE: Copy

A. KHALILI, M. MOJTAHEDI, M. GOODARZI, and M.J. TORKAMANY, “Synthesis of Fe-TiC Hard Coating From Ilmenite Via Laser Cladding,” IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, vol. 16, no. 3, pp. 75–86, 2019, [Online]. Available: https://sid.ir/paper/276908/en

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