A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel

Thermodynamic analysis of the precipitation behavior, growth kinetic, and control mechanism of MnS inclusion in U75V heavy rail steel was conducted in this study. The results showed that solute element S had a much higher segregation ratio than that of Mn, and MnS would only precipitate in the solid...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Ren Wen-Qiang, Wang Lu, Xue Zheng-Liang, Li Cheng-Zhi, Zhu Hang-Yu, Huang Ao, Li Chang
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	u75v heavy rail steel mns inclusion thermodynamic calculation ti treatment Technology T Chemical technology TP1-1185 Chemicals: Manufacture, use, etc. TP200-248
Acceso en línea:	https://doaj.org/article/01aac7dec8364b9bbdaeb270229df1a8
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:01aac7dec8364b9bbdaeb270229df1a8
record_format	dspace
spelling	oai:doaj.org-article:01aac7dec8364b9bbdaeb270229df1a82021-12-05T14:10:50ZA thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel2191-032410.1515/htmp-2021-0022https://doaj.org/article/01aac7dec8364b9bbdaeb270229df1a82021-06-01T00:00:00Zhttps://doi.org/10.1515/htmp-2021-0022https://doaj.org/toc/2191-0324Thermodynamic analysis of the precipitation behavior, growth kinetic, and control mechanism of MnS inclusion in U75V heavy rail steel was conducted in this study. The results showed that solute element S had a much higher segregation ratio than that of Mn, and MnS would only precipitate in the solid–liquid (two-phase) regions at the late stage during the solidification process at the solid fraction of 0.9518. Increasing the cooling rate had no obvious influence on the precipitation time of MnS inclusion; however, its particle size would be decreased greatly. The results also suggested that increasing the concentration of Mn would lead to an earlier precipitation time of MnS, while it had little effect on the final particle size; as to S, it was found that increasing its concentration could not only make the precipitation time earlier but also make the particle size larger. Adding a certain amount of Ti additive could improve the mechanical properties of U75V heavy rail steel due to the formation of TiOx–MnS or MnS–TiS complex inclusions. The precipitation sequences of Ti3O5 → Ti2O3 → TiO2 → TiO → MnS → TiS for Ti treatment were determined based on the thermodynamic calculation.Ren Wen-QiangWang LuXue Zheng-LiangLi Cheng-ZhiZhu Hang-YuHuang AoLi ChangDe Gruyterarticleu75v heavy rail steelmns inclusionthermodynamic calculationti treatmentTechnologyTChemical technologyTP1-1185Chemicals: Manufacture, use, etc.TP200-248ENHigh Temperature Materials and Processes, Vol 40, Iss 1, Pp 178-192 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	u75v heavy rail steel mns inclusion thermodynamic calculation ti treatment Technology T Chemical technology TP1-1185 Chemicals: Manufacture, use, etc. TP200-248
spellingShingle	u75v heavy rail steel mns inclusion thermodynamic calculation ti treatment Technology T Chemical technology TP1-1185 Chemicals: Manufacture, use, etc. TP200-248 Ren Wen-Qiang Wang Lu Xue Zheng-Liang Li Cheng-Zhi Zhu Hang-Yu Huang Ao Li Chang A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel
description	Thermodynamic analysis of the precipitation behavior, growth kinetic, and control mechanism of MnS inclusion in U75V heavy rail steel was conducted in this study. The results showed that solute element S had a much higher segregation ratio than that of Mn, and MnS would only precipitate in the solid–liquid (two-phase) regions at the late stage during the solidification process at the solid fraction of 0.9518. Increasing the cooling rate had no obvious influence on the precipitation time of MnS inclusion; however, its particle size would be decreased greatly. The results also suggested that increasing the concentration of Mn would lead to an earlier precipitation time of MnS, while it had little effect on the final particle size; as to S, it was found that increasing its concentration could not only make the precipitation time earlier but also make the particle size larger. Adding a certain amount of Ti additive could improve the mechanical properties of U75V heavy rail steel due to the formation of TiOx–MnS or MnS–TiS complex inclusions. The precipitation sequences of Ti3O5 → Ti2O3 → TiO2 → TiO → MnS → TiS for Ti treatment were determined based on the thermodynamic calculation.
format	article
author	Ren Wen-Qiang Wang Lu Xue Zheng-Liang Li Cheng-Zhi Zhu Hang-Yu Huang Ao Li Chang
author_facet	Ren Wen-Qiang Wang Lu Xue Zheng-Liang Li Cheng-Zhi Zhu Hang-Yu Huang Ao Li Chang
author_sort	Ren Wen-Qiang
title	A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel
title_short	A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel
title_full	A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel
title_fullStr	A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel
title_full_unstemmed	A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel
title_sort	thermodynamic assessment of precipitation, growth, and control of mns inclusion in u75v heavy rail steel
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/01aac7dec8364b9bbdaeb270229df1a8
work_keys_str_mv	AT renwenqiang athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT wanglu athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT xuezhengliang athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT lichengzhi athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT zhuhangyu athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT huangao athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT lichang athermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT renwenqiang thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT wanglu thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT xuezhengliang thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT lichengzhi thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT zhuhangyu thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT huangao thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel AT lichang thermodynamicassessmentofprecipitationgrowthandcontrolofmnsinclusioninu75vheavyrailsteel
_version_	1718371658558865408

A thermodynamic assessment of precipitation, growth, and control of MnS inclusion in U75V heavy rail steel

Ejemplares similares