The Effect of DCF on Codeposition of Al and Si by Pack Cementation

Jing Hu; Xian Bo Pan; Fei Xie; Song Gao; Tai Jun Pan

doi:10.4028/www.scientific.net/AMR.239-242.2484

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242The Effect of DCF on Codeposition of Al and Si by...

The Effect of DCF on Codeposition of Al and Si by Pack Cementation

Abstract:

An energy-saving and high-efficient powder Al and Si codeposition process was employed on 1045 steel, the new technology was mainly based on applying direct current field (DCF) with proper parameters between the treated samples and the powder. The microstructure, thickness and the phase constituents of the coating were analyzed by OM and XRD. The high temperature oxidation resistance for a total duration of 120h and the corrosion resistance in 10% H₂SO₄for 8h were investigated. The results showed that DCF could lower heating temperature and accelerate the diffusion rate. The phase of the coatings with DCF was composed of Al_0.7Fe₃Si_0.3and AlFe_3.The treated samples had good high temperature oxidation resistance and corrosion resistance in 10% H₂SO₄ solution.

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

2484-2487

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.2484

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Online since:

May 2011

Authors:

Jing Hu, Xian Bo Pan, Fei Xie, Song Gao, Tai Jun Pan

Keywords:

Al Codeposition, Corrosion Resistance, Direct Current Field, High Temperature Oxidation Resistance, Pack Cementation, Si Codeposition

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