Effects of Primarily Solidified Dendrite and Thermal Treatments on the M23C6 Precipitation Behavior of High-Chromium White Iron

The precipitation behavior of M23C6 carbide during thermal treatment of high-Cr white iron with various fractions of primarily solidified dendrite was studied and reviewed. M23C6 precipitation in the primaril...

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Autores principales:	Young-Gy Song, Jun-Seok Oh, Baig-Gyu Choi, Chang-Yong Jo, Je-Hyun Lee
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	high-Cr white iron dendrite volume fraction ThermoCalc M<sub>23</sub>C<sub>6</sub> precipitation behavior conventional heat treatment modified heat treatment Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/99748695df904e3f9b4a3367f17eeab8
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spelling	oai:doaj.org-article:99748695df904e3f9b4a3367f17eeab82021-11-25T18:21:14ZEffects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron10.3390/met111116902075-4701https://doaj.org/article/99748695df904e3f9b4a3367f17eeab82021-10-01T00:00:00Zhttps://www.mdpi.com/2075-4701/11/11/1690https://doaj.org/toc/2075-4701The precipitation behavior of M<sub>23</sub>C<sub>6</sub> carbide during thermal treatment of high-Cr white iron with various fractions of primarily solidified dendrite was studied and reviewed. M<sub>23</sub>C<sub>6</sub> precipitation in the primarily solidified dendrite occurred preferentially during conventional heat treatment, whereas it occurred scarcely in the eutectic austenite. The reaction between M<sub>7</sub>C<sub>3</sub> and austenite caused the dissolution of M<sub>7</sub>C<sub>3</sub> into austenite, followed by precipitation of M<sub>23</sub>C<sub>6</sub> along the periphery of eutectic M<sub>7</sub>C<sub>3</sub>. Relatively low-temperature thermal treatment (modified heat treatment) led to precipitation of M<sub>23</sub>C<sub>6</sub> particles in the eutectic austenite, which is presumed to be caused by solubility difference depending on temperature.Young-Gy SongJun-Seok OhBaig-Gyu ChoiChang-Yong JoJe-Hyun LeeMDPI AGarticlehigh-Cr white irondendrite volume fractionThermoCalcM<sub>23</sub>C<sub>6</sub> precipitation behaviorconventional heat treatmentmodified heat treatmentMining engineering. MetallurgyTN1-997ENMetals, Vol 11, Iss 1690, p 1690 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	high-Cr white iron dendrite volume fraction ThermoCalc M<sub>23</sub>C<sub>6</sub> precipitation behavior conventional heat treatment modified heat treatment Mining engineering. Metallurgy TN1-997
spellingShingle	high-Cr white iron dendrite volume fraction ThermoCalc M<sub>23</sub>C<sub>6</sub> precipitation behavior conventional heat treatment modified heat treatment Mining engineering. Metallurgy TN1-997 Young-Gy Song Jun-Seok Oh Baig-Gyu Choi Chang-Yong Jo Je-Hyun Lee Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron
description	The precipitation behavior of M<sub>23</sub>C<sub>6</sub> carbide during thermal treatment of high-Cr white iron with various fractions of primarily solidified dendrite was studied and reviewed. M<sub>23</sub>C<sub>6</sub> precipitation in the primarily solidified dendrite occurred preferentially during conventional heat treatment, whereas it occurred scarcely in the eutectic austenite. The reaction between M<sub>7</sub>C<sub>3</sub> and austenite caused the dissolution of M<sub>7</sub>C<sub>3</sub> into austenite, followed by precipitation of M<sub>23</sub>C<sub>6</sub> along the periphery of eutectic M<sub>7</sub>C<sub>3</sub>. Relatively low-temperature thermal treatment (modified heat treatment) led to precipitation of M<sub>23</sub>C<sub>6</sub> particles in the eutectic austenite, which is presumed to be caused by solubility difference depending on temperature.
format	article
author	Young-Gy Song Jun-Seok Oh Baig-Gyu Choi Chang-Yong Jo Je-Hyun Lee
author_facet	Young-Gy Song Jun-Seok Oh Baig-Gyu Choi Chang-Yong Jo Je-Hyun Lee
author_sort	Young-Gy Song
title	Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron
title_short	Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron
title_full	Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron
title_fullStr	Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron
title_full_unstemmed	Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron
title_sort	effects of primarily solidified dendrite and thermal treatments on the m<sub>23</sub>c<sub>6</sub> precipitation behavior of high-chromium white iron
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/99748695df904e3f9b4a3367f17eeab8
work_keys_str_mv	AT younggysong effectsofprimarilysolidifieddendriteandthermaltreatmentsonthemsub23subcsub6subprecipitationbehaviorofhighchromiumwhiteiron AT junseokoh effectsofprimarilysolidifieddendriteandthermaltreatmentsonthemsub23subcsub6subprecipitationbehaviorofhighchromiumwhiteiron AT baiggyuchoi effectsofprimarilysolidifieddendriteandthermaltreatmentsonthemsub23subcsub6subprecipitationbehaviorofhighchromiumwhiteiron AT changyongjo effectsofprimarilysolidifieddendriteandthermaltreatmentsonthemsub23subcsub6subprecipitationbehaviorofhighchromiumwhiteiron AT jehyunlee effectsofprimarilysolidifieddendriteandthermaltreatmentsonthemsub23subcsub6subprecipitationbehaviorofhighchromiumwhiteiron
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Effects of Primarily Solidified Dendrite and Thermal Treatments on the M<sub>23</sub>C<sub>6</sub> Precipitation Behavior of High-Chromium White Iron

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