Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel

An attempt has been made in the present research work to investigate the role and influence of chemical effect of aluminum addition in the experimental steel towards the formation of k-carbides. Two steel grades were made with and without aluminum addition by induction melting furnace and were cast...

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Autores principales: Shahid Hussain ABRO, Alidad CHANDIO, Asif Ahmed SHAIKH, Norbaizura NORDIN, Hamza SUHARWARDI
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Lenguaje:EN
Publicado: Kaunas University of Technology 2021
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spelling oai:doaj.org-article:f6ae2f368f0c4043a11eb2661d21a98f2021-12-02T06:20:58ZEffect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel1392-13202029-728910.5755/j02.ms.28400https://doaj.org/article/f6ae2f368f0c4043a11eb2661d21a98f2021-12-01T00:00:00Zhttps://matsc.ktu.lt/index.php/MatSc/article/view/28400https://doaj.org/toc/1392-1320https://doaj.org/toc/2029-7289An attempt has been made in the present research work to investigate the role and influence of chemical effect of aluminum addition in the experimental steel towards the formation of k-carbides. Two steel grades were made with and without aluminum addition by induction melting furnace and were cast to ingots. Steel A has no aluminum addition and steel B has some aluminum content. These ingots were then solution heat treated on a temperature of 1200°C for 2-hours’ time and were cooled in the air. After that, they were hot rolled to drawn in plate and sheet. The small samples were cut from bulk and were then heat-treated at 800°C for 1 hour and quenched. Microstructure by OM and SEM was captured. In steel A there was no k-carbide present in the matrix and surprisingly in steel B, small fine k-carbides were present this was then confirmed by XRD later. OM, SEM, and TEM analysis revealed that the presence of k-carbides in steel B makes less dense. It was concluded that aluminum in conjunction with nitrogen forms the small nitride particles having a high melting point does not dissolve during the melting and casting such particles are known as AlN or aluminum nitride particles was observed by TEM along with EDS was the main reason to support the formation of k-carbides, these fine nano level k-carbides are orderly distributed in the steel matrix as was shown by XRD peaks.Shahid Hussain ABROAlidad CHANDIOAsif Ahmed SHAIKHNorbaizura NORDINHamza SUHARWARDIKaunas University of Technologyarticlealuminumaln particlesk-carbidesaustenitexrdtemMining engineering. MetallurgyTN1-997ENMedžiagotyra (2021)
institution DOAJ
collection DOAJ
language EN
topic aluminum
aln particles
k-carbides
austenite
xrd
tem
Mining engineering. Metallurgy
TN1-997
spellingShingle aluminum
aln particles
k-carbides
austenite
xrd
tem
Mining engineering. Metallurgy
TN1-997
Shahid Hussain ABRO
Alidad CHANDIO
Asif Ahmed SHAIKH
Norbaizura NORDIN
Hamza SUHARWARDI
Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel
description An attempt has been made in the present research work to investigate the role and influence of chemical effect of aluminum addition in the experimental steel towards the formation of k-carbides. Two steel grades were made with and without aluminum addition by induction melting furnace and were cast to ingots. Steel A has no aluminum addition and steel B has some aluminum content. These ingots were then solution heat treated on a temperature of 1200°C for 2-hours’ time and were cooled in the air. After that, they were hot rolled to drawn in plate and sheet. The small samples were cut from bulk and were then heat-treated at 800°C for 1 hour and quenched. Microstructure by OM and SEM was captured. In steel A there was no k-carbide present in the matrix and surprisingly in steel B, small fine k-carbides were present this was then confirmed by XRD later. OM, SEM, and TEM analysis revealed that the presence of k-carbides in steel B makes less dense. It was concluded that aluminum in conjunction with nitrogen forms the small nitride particles having a high melting point does not dissolve during the melting and casting such particles are known as AlN or aluminum nitride particles was observed by TEM along with EDS was the main reason to support the formation of k-carbides, these fine nano level k-carbides are orderly distributed in the steel matrix as was shown by XRD peaks.
format article
author Shahid Hussain ABRO
Alidad CHANDIO
Asif Ahmed SHAIKH
Norbaizura NORDIN
Hamza SUHARWARDI
author_facet Shahid Hussain ABRO
Alidad CHANDIO
Asif Ahmed SHAIKH
Norbaizura NORDIN
Hamza SUHARWARDI
author_sort Shahid Hussain ABRO
title Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel
title_short Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel
title_full Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel
title_fullStr Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel
title_full_unstemmed Effect of Aluminum Addition with Nitrogen on K-Carbide Formation in Carbon-Mn Steel
title_sort effect of aluminum addition with nitrogen on k-carbide formation in carbon-mn steel
publisher Kaunas University of Technology
publishDate 2021
url https://doaj.org/article/f6ae2f368f0c4043a11eb2661d21a98f
work_keys_str_mv AT shahidhussainabro effectofaluminumadditionwithnitrogenonkcarbideformationincarbonmnsteel
AT alidadchandio effectofaluminumadditionwithnitrogenonkcarbideformationincarbonmnsteel
AT asifahmedshaikh effectofaluminumadditionwithnitrogenonkcarbideformationincarbonmnsteel
AT norbaizuranordin effectofaluminumadditionwithnitrogenonkcarbideformationincarbonmnsteel
AT hamzasuharwardi effectofaluminumadditionwithnitrogenonkcarbideformationincarbonmnsteel
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