Study of corrosion resistance and microstructure of the 0.45 wt% C steel modified by pulsed high energy density plasma

作者: K. Wei , Y. Fu , X. Wu , S. Z. Yang , B. Li

DOI: 10.1007/S11665-999-0003-9

关键词: AluminiumMetallurgyThin filmTransmission electron microscopyCorrosionMicrostructureCarbon steelLayer (electronics)Composite materialMaterials scienceSurface modification

摘要: A 0.45 wt% C steel was modified by pulsed high energy density plasma (PHEDP), which composed of particles aluminum and nitrogen. layer thin film formed on it. The steels were studied an electrochemical corrosion test transmission electron microscope (TEM) observations. Results showed that the resistance ability improved after modification, nanocrystal-aluminum-nitride-phase (AlN), with crystal size less than 20 nm. nanocrystal-structured contributes to improvement resistance. is not only related microstructure but also its surface morphology, both are controlled parameters PHEDP.

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