Fluidized bed CrN coating formation on prenitrocarburized plain carbon steel

King, P. C., Reynoldson, R. W., Brownrigg, Allan and Long, John 2004, Fluidized bed CrN coating formation on prenitrocarburized plain carbon steel, Journal of materials engineering and performance, vol. 13, no. 4, pp. 431-438.

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Title Fluidized bed CrN coating formation on prenitrocarburized plain carbon steel
Author(s) King, P. C.
Reynoldson, R. W.
Brownrigg, Allan
Long, John
Journal name Journal of materials engineering and performance
Volume number 13
Issue number 4
Start page 431
End page 438
Publisher Springer
Place of publication New York, N.Y.
Publication date 2004-08
ISSN 1059-9495
Keyword(s) fluidized bed
glow-discharge optical-emission spectroscopy
nitrocarburizing
plain carbon steel
thermoreactive deposition and diffusion
Summary CrN coatings were formed on plain carbon steel by prenitrocarburizing, followed by thermoreactive deposition and diffusion (TRD) in a fluidized bed furnace at 570 °C. During TRD, Cr was transferred from Cr powder in the fluidized bed to the nitrocarburized substrates by gas-phase reactions initiated by reaction of HCl gas with the Cr. The microstructural processes occurring in the white layer, caused by N diffusion toward the surface during this stage were studied. This study compares TRD atmospheres employing inert gas and HCl or inert gas, H2, and HCl. Surface characterization was performed by scanning electron microscopy (SEM), x-ray diffraction (XRD), and glow-discharge optical-emission spectroscopy (GDOES).
Language eng
Field of Research 091499 Resources Engineering and Extractive Metallurgy not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, ASM International
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002633

Document type: Journal Article
Collection: School of Engineering and Technology
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