Effect of Borax Content on Composition and Microstructure of Boride Layer by Electrodeposition

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Boronizing of silicon steel is performed by electrodeposition in KCl-NaCl-NaF-Na2B4O710H2O molten salts with different amounts of borax. The effect of borax content on composition and microstructure of boride layer is studied. The compositional depth profile of boride layer is measured using the glow discharge spectrometry (GDS) and the depth from the surface to the substrate is taken as the layer thickness. The surface morphology is studied by atomic force microscopy (AFM). It is found that the thickness of the boride layer reached maximum values when the borax content is 0.05mol. The roughness decreases with raising borax content from 0.01 to 0.05mol while the further increase of borax content from 0.05 to 0.1mol results in increase of roughness. The boride layer formed at borax content 0.05 mol shows smallest values of surface roughness.

Info:

Periodical:

Advanced Materials Research (Volumes 179-180)

Edited by:

Garry Zhu

Pages:

508-512

DOI:

10.4028/www.scientific.net/AMR.179-180.508

Citation:

H. L. Yang et al., "Effect of Borax Content on Composition and Microstructure of Boride Layer by Electrodeposition", Advanced Materials Research, Vols. 179-180, pp. 508-512, 2011

Online since:

January 2011

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Price:

$35.00

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