NDLI: Combined niobizing and plasma nitriding of AISI 430 stainless steel

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Combined niobizing and plasma nitriding of AISI 430 stainless steel

Content Provider	Scilit
Author	Karazmoudeh, Nazanin Jalalian Soltanieh, Mansour Sohi, Mahmoud Heydarzadeh
Copyright Year	2019
Description	Journal: Materials Research Express In this work, AISI430 ferritic stainless steel specimens were duplex treated by niobizing followed by plasma nitriding (Nb-PN) and plasma nitriding followed by niobizing (PN-Nb). Pack cementations were carried out for 2h at two different temperatures of 850 ̊C and 950 ̊C for Nb-PN specimens and 950 ̊C for PN-Nb samples. Plasma nitriding of all specimens was performed for 6h at 450 ̊C. The fabricated layers were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and contact angle measurement. Plasma nitriding of niobized layers resulted in formation of niobium nitride (NbN) on the surface layer; while the layer produced by reverse treatment composed of NbN, Fe2Nb and NbCr2 phases. Furthermore, AFM results revealed that PN-Nb specimen had a rougher surface than that of the Nb-PN. Contact angle measurements illustrated better hydrophobicity of the duplex treated samples as compared to the untreated 430 stainless steel.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab52c9/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab52c9
Journal	Materials Research Express
Issue Number	12
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-10-30
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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