The Effect of Rotational Speed on Steel Pipe Lined Fe-WB Based Composite Coating by Centrifugal-SHS Process

Singsarothai Saowanee; Vishnu Rachphet; Sutham Niyomwas

doi:10.4028/www.scientific.net/KEM.659.545

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 659The Effect of Rotational Speed on Steel Pipe Lined...

The Effect of Rotational Speed on Steel Pipe Lined Fe-WB Based Composite Coating by Centrifugal-SHS Process

Abstract:

The Iron-Tungsten boride based composite was coated on the inner surface of steel pipes by centrifugal-self-propagating high-temperature synthesis (centrifugal-SHS) process. The precursors were prepared by a stoichiometric ratio of wolframite mineral (Fe (Mn)WO₄), aluminum (Al) and boron oxide (B₂O₃). Phase composition and microstructure of composite coating were investigated by X-ray diffraction (XRD) and scanning electron microscope (SEM). On this study, depending on the rotation speed, the highest rotation speed (2250 rpm) produced highest micro-hardness of the composite (1699 HV).

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Periodical:

Key Engineering Materials (Volume 659)

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545-549

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.659.545

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Online since:

August 2015

Authors:

Singsarothai Saowanee, Vishnu Rachphet, Sutham Niyomwas

Keywords:

Centrifugal-SHS Process, Fe-Wb Based Composite Coating

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References

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