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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Kaunas University of Technology
2021
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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) |
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aluminum aln particles k-carbides austenite xrd tem Mining engineering. Metallurgy TN1-997 |
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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 |
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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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1718399969519468544 |