NDLI: Effects of Al mass fraction on corrosive wear and electrochemical corrosion of laser cladded AlFeCoCr amorphous coating in 3.5 wt% NaCl solution

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Effects of Al mass fraction on corrosive wear and electrochemical corrosion of laser cladded AlFeCoCr amorphous coating in 3.5 wt% NaCl solution

Content Provider	Scilit
Author	Chen, Wu Dejun, Kong
Copyright Year	2019
Description	Journal: Materials Research Express AlFeCoCr amorphous coatings were prepared on S355 structural steel using a laser cladding (LC). The morphologies and phases of obtained coatings were analyzed using a scanning electronic microscopy (SEM) and X–ray diffractometer (XRD), respectively, the effects of Al addition on the corrosive wear in 3.5 wt.% NaCl solution were investigated using a wear tester, the distributions of chemical elements on the worn tracks were analyzed using an EDS line scan, and the electrochemical corrosion performances were investigated using an electrochemical workstation. The results show that the average COFs of AlFeCoCr coating with the Al mass fractions of 40, 50 and 60% are 0.698, 0.630, and 0.472, respectively, and the corresponding wear rates are 3.71, 2.33, and 13.12 μm3•N–1•m–1, respectively, the wear mechanism of AlFeCoCr coatings is abrasive wear. The polarization curves of AlFeCoCr coatings shift positively than the substrate, enhancing the corrosion resistances of substrate, among them, the corrosion resistance of AlFeCoCr coating with the Al mass fraction of 50% is the highest.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab1522/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab1522
Journal	Materials Research Express
Issue Number	7
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-04-01
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Coatings and Films
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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