Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel

Abstract The effect of low oxygen-partial pressured carburizing on relaxation process for 316L stainless steel is reported. Phase, morphology, and amount of compound formation during initial stage of carburizing are investigated using X-ray diffractometry (XRD) and X-ray photoelectron spectroscopy (...

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Autores principales:	Chatdanai Boonruang, Wutipong Sanumang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/79cd5133f55e4eb7b314945c03953c99
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spelling	oai:doaj.org-article:79cd5133f55e4eb7b314945c03953c992021-12-02T17:24:22ZEffect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel10.1038/s41598-021-91958-x2045-2322https://doaj.org/article/79cd5133f55e4eb7b314945c03953c992021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91958-xhttps://doaj.org/toc/2045-2322Abstract The effect of low oxygen-partial pressured carburizing on relaxation process for 316L stainless steel is reported. Phase, morphology, and amount of compound formation during initial stage of carburizing are investigated using X-ray diffractometry (XRD) and X-ray photoelectron spectroscopy (XPS). The results show formation and development of surface multilayer with nano-grain-carbide (Cr7C3, Fe7C3, and/or Cr3C2) generation in the layer located below outermost protective layer. The relaxation process has been investigated using electrochemical impedance spectroscopy (EIS). Formation of nano-grain carbide(s) during carburizing causes deterioration effect on the electrochemical behavior of steel. However, the steel with large amount of carbide generation (carburized for 30 min) tends to have higher corrosion resistance (indicated by higher values of R cl and R ct ) than the smaller ones (10 and 20 min) due to the effect of phase, grain size, morphology, and amount of compound formation.Chatdanai BoonruangWutipong SanumangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chatdanai Boonruang Wutipong Sanumang Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel
description	Abstract The effect of low oxygen-partial pressured carburizing on relaxation process for 316L stainless steel is reported. Phase, morphology, and amount of compound formation during initial stage of carburizing are investigated using X-ray diffractometry (XRD) and X-ray photoelectron spectroscopy (XPS). The results show formation and development of surface multilayer with nano-grain-carbide (Cr7C3, Fe7C3, and/or Cr3C2) generation in the layer located below outermost protective layer. The relaxation process has been investigated using electrochemical impedance spectroscopy (EIS). Formation of nano-grain carbide(s) during carburizing causes deterioration effect on the electrochemical behavior of steel. However, the steel with large amount of carbide generation (carburized for 30 min) tends to have higher corrosion resistance (indicated by higher values of R cl and R ct ) than the smaller ones (10 and 20 min) due to the effect of phase, grain size, morphology, and amount of compound formation.
format	article
author	Chatdanai Boonruang Wutipong Sanumang
author_facet	Chatdanai Boonruang Wutipong Sanumang
author_sort	Chatdanai Boonruang
title	Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel
title_short	Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel
title_full	Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel
title_fullStr	Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel
title_full_unstemmed	Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel
title_sort	effect of nano-grain carbide formation on electrochemical behavior of 316l stainless steel
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/79cd5133f55e4eb7b314945c03953c99
work_keys_str_mv	AT chatdanaiboonruang effectofnanograincarbideformationonelectrochemicalbehaviorof316lstainlesssteel AT wutipongsanumang effectofnanograincarbideformationonelectrochemicalbehaviorof316lstainlesssteel
_version_	1718380919457316864

Effect of nano-grain carbide formation on electrochemical behavior of 316L stainless steel

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