Composition equivalents of stainless steels understood via gamma stabilizing efficiency

Abstract The phase-type of a stainless steel is generally predicted by equivalent equations in terms of a major austenitic (γ) or ferritic (α) stabilizer Ni or Cr. The present paper attempts to understand the equivalent methods in stainless steels via the slopes of the phase boundary lines separatin...

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Autores principales:	Shuqi Zhang, Qing Wang, Rui Yang, Chuang Dong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/71e96508ce3e4dfb80665d371c2bc069
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spelling	oai:doaj.org-article:71e96508ce3e4dfb80665d371c2bc0692021-12-02T11:37:26ZComposition equivalents of stainless steels understood via gamma stabilizing efficiency10.1038/s41598-021-84917-z2045-2322https://doaj.org/article/71e96508ce3e4dfb80665d371c2bc0692021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84917-zhttps://doaj.org/toc/2045-2322Abstract The phase-type of a stainless steel is generally predicted by equivalent equations in terms of a major austenitic (γ) or ferritic (α) stabilizer Ni or Cr. The present paper attempts to understand the equivalent methods in stainless steels via the slopes of the phase boundary lines separating γ and γ + α phase zones. The prevailing equivalent coefficients are well interpreted using the slope ratios of the alloying elements divided by that of Ni or Cr, after analyzing over one hundred common stainless steels. Different from traditional composition equivalents which evaluate γ stabilizers and α stabilizers separately; the new equivalent scheme provides a unified phase stabilizing parameter for all alloying elements in stainless steels. This parameter is defined as γ stabilizing efficiency. Its negative or positive sign indicates γ stabilizer or α stabilizer, and its value represents the stabilizing efficiency.Shuqi ZhangQing WangRui YangChuang DongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shuqi Zhang Qing Wang Rui Yang Chuang Dong Composition equivalents of stainless steels understood via gamma stabilizing efficiency
description	Abstract The phase-type of a stainless steel is generally predicted by equivalent equations in terms of a major austenitic (γ) or ferritic (α) stabilizer Ni or Cr. The present paper attempts to understand the equivalent methods in stainless steels via the slopes of the phase boundary lines separating γ and γ + α phase zones. The prevailing equivalent coefficients are well interpreted using the slope ratios of the alloying elements divided by that of Ni or Cr, after analyzing over one hundred common stainless steels. Different from traditional composition equivalents which evaluate γ stabilizers and α stabilizers separately; the new equivalent scheme provides a unified phase stabilizing parameter for all alloying elements in stainless steels. This parameter is defined as γ stabilizing efficiency. Its negative or positive sign indicates γ stabilizer or α stabilizer, and its value represents the stabilizing efficiency.
format	article
author	Shuqi Zhang Qing Wang Rui Yang Chuang Dong
author_facet	Shuqi Zhang Qing Wang Rui Yang Chuang Dong
author_sort	Shuqi Zhang
title	Composition equivalents of stainless steels understood via gamma stabilizing efficiency
title_short	Composition equivalents of stainless steels understood via gamma stabilizing efficiency
title_full	Composition equivalents of stainless steels understood via gamma stabilizing efficiency
title_fullStr	Composition equivalents of stainless steels understood via gamma stabilizing efficiency
title_full_unstemmed	Composition equivalents of stainless steels understood via gamma stabilizing efficiency
title_sort	composition equivalents of stainless steels understood via gamma stabilizing efficiency
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/71e96508ce3e4dfb80665d371c2bc069
work_keys_str_mv	AT shuqizhang compositionequivalentsofstainlesssteelsunderstoodviagammastabilizingefficiency AT qingwang compositionequivalentsofstainlesssteelsunderstoodviagammastabilizingefficiency AT ruiyang compositionequivalentsofstainlesssteelsunderstoodviagammastabilizingefficiency AT chuangdong compositionequivalentsofstainlesssteelsunderstoodviagammastabilizingefficiency
_version_	1718395764981366784

Composition equivalents of stainless steels understood via gamma stabilizing efficiency

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