Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding
The paper presents the results of investigation into corrosion resistance behaviour of gas nitrided 316L austenitic stainless steel and 9.3%Cr ferritic steel. Gas nitriding is a heat treatment technique that improved fatigue life, strength and wears and localized corrosion resistance. However, at ce...
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Universiti Teknologi Petronas
2011
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my-utp-utpedia.27042017-01-25T09:41:46Z http://utpedia.utp.edu.my/2704/ Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding Muhammad Afiq bin Mansor, Muhammad Afiq TJ Mechanical engineering and machinery The paper presents the results of investigation into corrosion resistance behaviour of gas nitrided 316L austenitic stainless steel and 9.3%Cr ferritic steel. Gas nitriding is a heat treatment technique that improved fatigue life, strength and wears and localized corrosion resistance. However, at certain temperature the steel becomes sensitized to possible intergranular corrosion. The heat treatment permits the formation to small precipitate particles of chromium carbide, Cr23C6 by reaction between the chromium and carbon in the material. During the heat treatment process, the samples are heated at two different temperatures for two samples which are at 600oC and 900oC in a tube furnace through which nitrogen gas is allowed to pass. The nitrogen reacts with the steel penetrating the surface to form nitrides. In order to investigate the presence of chromium carbine in grain boundary, further studies were conducted to analyse the microstructure, physical and mechanical properties by comparing the specimens before and after the nitriding process. Universiti Teknologi Petronas 2011-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/2704/1/Dissertation_Afiq.PDF Muhammad Afiq bin Mansor, Muhammad Afiq (2011) Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding. Universiti Teknologi Petronas, Sri Iskandar, Tronoh, Perak. (Unpublished) |
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TJ Mechanical engineering and machinery Muhammad Afiq bin Mansor, Muhammad Afiq Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding |
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The paper presents the results of investigation into corrosion resistance behaviour of gas nitrided 316L austenitic stainless steel and 9.3%Cr ferritic steel. Gas nitriding is a heat treatment technique that improved fatigue life, strength and wears and localized corrosion resistance. However, at certain temperature the steel becomes sensitized to possible intergranular corrosion. The heat treatment permits the formation to small precipitate particles of chromium carbide, Cr23C6 by reaction between the chromium and carbon in the material. During the heat treatment process, the samples are heated at two different temperatures for two samples which are at 600oC and 900oC in a tube furnace through which nitrogen gas is allowed to pass. The nitrogen reacts with the steel penetrating the surface to form nitrides. In order to investigate the presence of chromium carbine in grain boundary, further studies were conducted to analyse the microstructure, physical and mechanical properties by comparing the specimens before and after the nitriding process. |
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Final Year Project |
author |
Muhammad Afiq bin Mansor, Muhammad Afiq |
author_facet |
Muhammad Afiq bin Mansor, Muhammad Afiq |
author_sort |
Muhammad Afiq bin Mansor, Muhammad Afiq |
title |
Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding |
title_short |
Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding |
title_full |
Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding |
title_fullStr |
Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding |
title_full_unstemmed |
Characterization of surface treated layers on Austenitic Stainless Steel and 9.3%Cr Ferritic steel resulting from High Temperature Nitriding |
title_sort |
characterization of surface treated layers on austenitic stainless steel and 9.3%cr ferritic steel resulting from high temperature nitriding |
publisher |
Universiti Teknologi Petronas |
publishDate |
2011 |
url |
http://utpedia.utp.edu.my/2704/1/Dissertation_Afiq.PDF http://utpedia.utp.edu.my/2704/ |
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1739830948317364224 |
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13.188404 |