NDLI: Interfacial morphologies and corrosion behaviours of novel Fe-Cr-B alloys immersed in molten aluminium

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Interfacial morphologies and corrosion behaviours of novel Fe-Cr-B alloys immersed in molten aluminium

Content Provider	Scilit
Author	Ling, Zicheng Chen, Weiping Yang, Xin Li, Bing Lu, Tiwen
Copyright Year	2019
Description	Journal: Materials Research Express In aluminium industry, the molten aluminium and its alloys have a serious attack to the holders and the contact instruments, and therefore forming a layer Fe-Al intermetallic compounds (IMCs), which leads to relative mass loss or even failure. For this question, three kinds of Fe-Cr-B alloys were prepared and their interfacial morphologies and corrosion behaviours immersed in static molten aluminium at 750 °C were systematically investigated using SEM, XRD and TEM. The results showed that the boride phase had the better corrosion resistant property, especially the coarse Cr-rich M2B-type boride. Additionally, the periodic layered structures (PLSs) produced from the corroded rod-like Cr-rich M2B boride, which could not only retard the reaction diffusion of Al atoms and matrix but also reduce the Fe-Al IMCs spallation. The corrosion behaviour of Fe-Cr-B alloy was mainly the corrosion of matrix, the formation and the spallation of Fe-Al IMCs and the degradation of boride phase. Notably, the volume loss rate of the Fe-13.54 wt. % Cr-3.88 wt. % B alloy, was 78% lower than that of H13 steel.
Related Links	http://iopscience.iop.org/article/10.1088/2053-1591/aafeb1/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/aafeb1
Journal	Materials Research Express
Issue Number	4
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-01-15
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Metallurgy and Metallurgical Engineering Corrosion Behaviours Fe Al Cr B Alloys Fe Cr
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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