Production of Chromium Boride Layers on Carbon Steel with Conversion Treatment: Chromium Deposition + Diffusion Annealing

• Authors: R. Boubaaya , Y. Benarioua , O. Allaoui , M. Djendel
• Languages of publication: EN

Abstracts

EN

The present study has been conducted in order to obtaining chromium boride layers on carbon steel using a conversion processing comprising the following steps: boriding treatment in order to increase the amount of boron atoms in the steel surface, deposition of a thin layer of pure chromium using electrolytic method, and finally an annealing treatment for boron diffusion and formation of boride layer until complete transformation of chromium layer. Depending on the method used (chromium deposition followed by boriding or boriding followed by chromium deposition) and the holding time, the partial or complete conversion is obtained as a result of the diffusion process. The role of the annealing temperature on transformation rates of chromium into chromium boride films was investigated. It is shown that for 1 h at 900°C, the chromium layer is totally transformed. The scanning electron microscopy analysis and X-ray diffraction showed the presence of CrB and CrB₂ chromium borides in addition of FeB and Fe₂B iron borides.

Keywords

EN

carbon steel; boriding; chromium plating; diffusion annealing; chromium boride

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 3
• Pages: 541-543

Dates

published

2017-09

Contributors

author

R. Boubaaya

• Laboratoire Génie des Procédés, Université de Laghouat, BP 37G, Laghouat, Algeria

author

Y. Benarioua

• Département de Génie Mécanique, Faculté de Technologies, Université de M'Sila, BP 166, M'Sila 28000, Algeria

author

O. Allaoui

• Laboratoire Génie des Procédés, Université de Laghouat, BP 37G, Laghouat, Algeria

author

M. Djendel

• Laboratoire Génie des Procédés, Université de Laghouat, BP 37G, Laghouat, Algeria

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Identifiers

DOI

10.12693/APhysPolA.132.541