Journal of Thermal Spray Technology

, Volume 19, Issue 5, pp 1013–1023 | Cite as

Wear-Resistant Amorphous Iron-Based Flame-Sprayed Coatings

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Abstract

The flame-spraying process (powder and wire) was used to spray Nanosteel SHS-7170 powder and Eutectic-Castolin EnDOtec DO-390N wire onto aluminum and mild steel substrates to produce partially amorphous iron-based coatings. The phase content and the wear resistance of the coatings were evaluated in the as-sprayed condition only. The results obtained showed that the powder and wire flame iron-based coatings performed relatively well in terms of wear resistance. The coating microstructure, phase content, hardness, and wear performance all depended strongly on the spraying parameters used. This study showed that amorphous iron-based coatings with good wear resistance could be produced using the flame-spray process, showing that this process appeared to be a suitable inexpensive alternative to plasma or high velocity oxygen-fuel spraying processes.

Keywords

friction and wear influence of spray parameters nanostructured materials quasicrystalline coating super hard steel coatings 
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Notes

Acknowledgments

The author is grateful to Christa Kainhofer for her technical support in metallographic preparation and microscopy analysis of sample microstructures; Andreas Schiffl for performing the porosity measurements; Prof. Dr. Peter J. Uggowitzer and Petra Gunde for performing the X-Ray diffraction analysis; and Thomas Müller from Rübig for the leasing of the tribometer used to perform wear tests.

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Copyright information

© ASM International 2010

Authors and Affiliations

  1. 1.Leichtmetallkompetenzzentrum Ranshofen GmbH (LKR)Austrian Institute of TechnologyRanshofenAustria

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