Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere
A single pulse of 2.0 to 3.5 kJ of input energy from a 450 mF capacitor was applied to a commercially pure Ti rod in a N2 atmosphere. The surface of the Ti rod transformed from TiO2 into titanium nitride in times as short as 159 msec, providing a bimodal morphology of the cross-section. A much highe...
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| Format: | Article |
| Language: | English |
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Polish Academy of Sciences
2017-06-01
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| Series: | Archives of Metallurgy and Materials |
| Subjects: | |
| Online Access: | http://www.degruyter.com/view/j/amm.2017.62.issue-2/amm-2017-0193/amm-2017-0193.xml?format=INT |
| _version_ | 1819004636964585472 |
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| author | Lee W.H. Yoon Y.H. Kim Y.H. Lee Y.K. Kim J.Y. Chang S.Y. |
| author_facet | Lee W.H. Yoon Y.H. Kim Y.H. Lee Y.K. Kim J.Y. Chang S.Y. |
| author_sort | Lee W.H. |
| collection | DOAJ |
| description | A single pulse of 2.0 to 3.5 kJ of input energy from a 450 mF capacitor was applied to a commercially pure Ti rod in a N2 atmosphere. The surface of the Ti rod transformed from TiO2 into titanium nitride in times as short as 159 msec, providing a bimodal morphology of the cross-section. A much higher value of hardness that was observed at the edge of the cross-section was attributed to nitrogen-induced solid-solution hardening that occurred during the electrical discharge process. The activation energy (Ea) for the diffusion process was estimated to be approximately 86.9 kJ/mol. Results show that the electrical discharge process is a possible potential method for the nitriding of Ti; advantages include a short processing time and control of the nitrided layer without dimensional changes. |
| first_indexed | 2024-12-20T23:40:03Z |
| format | Article |
| id | doaj.art-2c60ed95dd0245b885a529d0f82cf211 |
| institution | Directory Open Access Journal |
| issn | 2300-1909 |
| language | English |
| last_indexed | 2024-12-20T23:40:03Z |
| publishDate | 2017-06-01 |
| publisher | Polish Academy of Sciences |
| record_format | Article |
| series | Archives of Metallurgy and Materials |
| spelling | doaj.art-2c60ed95dd0245b885a529d0f82cf2112022-12-21T19:23:06ZengPolish Academy of SciencesArchives of Metallurgy and Materials2300-19092017-06-016221281128510.1515/amm-2017-0193amm-2017-0193Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 AtmosphereLee W.H.0Yoon Y.H.1Kim Y.H.2Lee Y.K.3Kim J.Y.4Chang S.Y.5Sejong University, Faculty of Nanotechnology and Advanced Materials Engineering, Seoul05000, KoreaSejong University, Faculty of Nanotechnology and Advanced Materials Engineering, Seoul05000, KoreaWonkwang Health Science University, Department of Dental Laboratory, Iksan54538, KoreaUiduk University, Division of Green Energy Engineering, Kyeongju38004, KoreaUiduk University, Division of Green Energy Engineering, Kyeongju38004, KoreaKorea Aerospace University, Department of Materials Engineering, Goyang-Si10510, KoreaA single pulse of 2.0 to 3.5 kJ of input energy from a 450 mF capacitor was applied to a commercially pure Ti rod in a N2 atmosphere. The surface of the Ti rod transformed from TiO2 into titanium nitride in times as short as 159 msec, providing a bimodal morphology of the cross-section. A much higher value of hardness that was observed at the edge of the cross-section was attributed to nitrogen-induced solid-solution hardening that occurred during the electrical discharge process. The activation energy (Ea) for the diffusion process was estimated to be approximately 86.9 kJ/mol. Results show that the electrical discharge process is a possible potential method for the nitriding of Ti; advantages include a short processing time and control of the nitrided layer without dimensional changes.http://www.degruyter.com/view/j/amm.2017.62.issue-2/amm-2017-0193/amm-2017-0193.xml?format=INTTitaniumSurface modificationDiffusionHeat treatmentXPS |
| spellingShingle | Lee W.H. Yoon Y.H. Kim Y.H. Lee Y.K. Kim J.Y. Chang S.Y. Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere Archives of Metallurgy and Materials Titanium Surface modification Diffusion Heat treatment XPS |
| title | Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere |
| title_full | Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere |
| title_fullStr | Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere |
| title_full_unstemmed | Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere |
| title_short | Spontaneous Formation of Titanium Nitride on the Surface of a Ti Rod Induced by Electro-Discharge-Heat-Treatment in an N2 Atmosphere |
| title_sort | spontaneous formation of titanium nitride on the surface of a ti rod induced by electro discharge heat treatment in an n2 atmosphere |
| topic | Titanium Surface modification Diffusion Heat treatment XPS |
| url | http://www.degruyter.com/view/j/amm.2017.62.issue-2/amm-2017-0193/amm-2017-0193.xml?format=INT |
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