TG/DTA studies on the oxidation and thermal behaviour of Ti-6Al-4V-B4C coatings obtained by magnetron sputtering
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| Natura: | Artículo científico |
| Lingua: | en |
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Universidad Nacional Autónoma de México
2020
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| _version_ | 1876451113996124160 |
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| author | R. Malkiya Rasalin Prince |
| author_facet | R. Malkiya Rasalin Prince |
| contents | TG/DTA studies on the oxidation and thermal behaviour of Ti-6Al-4V-B4C coatings obtained by magnetron sputtering R. Malkiya Rasalin Prince N. Selvakumar D. Arulkirubakaran S. Christopher Ezhil Singh M. Chrispin Das C. Prabha Praveen Kumar Bannaravuri R. B. Jeen Robert I. Living Prephet Ingeniería nanohardness activation energy oxidation kinetics Thermogravimetric analysis differential thermal analysis Thermogravimetric analysis (TG) is a rapid method for the determination of protecting the ability of thin film coatings in addition to oxidation kinetics. Boron carbide (B4C) reinforced Ti-6Al-4V thin films were deposited through the magnetron sputtering coating technique. The effect of 0, 2, 4, 6 and 8 Wt. % of B4C adding on microstructure, thermal behaviour and hardness of Ti-6Al-4V-B4C coatings were investigated. Thermal analysis of Ti-6Al-4V-B4C coatings with varying percentage of B4C resulted in the establishment of an exothermic peak, for the reason that reduction in the oxidation of coating. The thermal behaviour of coating was improved by B4C addition; those coatings are recommended for practical application. It was proven that the addition of B4C not only alters the thermal stability but also transforms the mechanism of oxidation. It was absolutely unconcealed that the Ti-6Al-4V-B4C film oxidization may be a multi-staged procedure subject on the heating rate. An occurrence of formal treatment for obtaining Kissinger’s assessment mechanics for various oxidization levels is additionally valid. The addition of B4C was supported to enhance the nanohardness of the coating. The morphology, composition and structure of the thin film coatings were examined by way of SEM, AFM and XRD. 2020 artículo científico 1665-6423 https://www.redalyc.org/articulo.oa?id=47471672004 https://www.redalyc.org/journal/474/47471672004/ https://www.redalyc.org/journal/474/47471672004/html/ https://www.redalyc.org/journal/474/47471672004/47471672004.epub https://www.redalyc.org/journal/474/47471672004/movil 10.14482/INDES.30.1.303.661 en http://www.redalyc.org/revista.oa?id=474 Journal of Applied Research and Technology application/pdf Universidad Nacional Autónoma de México Journal of Applied Research and Technology (México) Num.3 Vol.18 |
| format | Artículo científico |
| id | redalyc_47471672004 |
| institution | Redalyc |
| language | en |
| publishDate | 2020 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | TG/DTA studies on the oxidation and thermal behaviour of Ti-6Al-4V-B4C coatings obtained by magnetron sputtering R. Malkiya Rasalin Prince Ingeniería nanohardness activation energy oxidation kinetics Thermogravimetric analysis differential thermal analysis TG/DTA studies on the oxidation and thermal behaviour of Ti-6Al-4V-B4C coatings obtained by magnetron sputtering R. Malkiya Rasalin Prince N. Selvakumar D. Arulkirubakaran S. Christopher Ezhil Singh M. Chrispin Das C. Prabha Praveen Kumar Bannaravuri R. B. Jeen Robert I. Living Prephet Ingeniería nanohardness activation energy oxidation kinetics Thermogravimetric analysis differential thermal analysis Thermogravimetric analysis (TG) is a rapid method for the determination of protecting the ability of thin film coatings in addition to oxidation kinetics. Boron carbide (B4C) reinforced Ti-6Al-4V thin films were deposited through the magnetron sputtering coating technique. The effect of 0, 2, 4, 6 and 8 Wt. % of B4C adding on microstructure, thermal behaviour and hardness of Ti-6Al-4V-B4C coatings were investigated. Thermal analysis of Ti-6Al-4V-B4C coatings with varying percentage of B4C resulted in the establishment of an exothermic peak, for the reason that reduction in the oxidation of coating. The thermal behaviour of coating was improved by B4C addition; those coatings are recommended for practical application. It was proven that the addition of B4C not only alters the thermal stability but also transforms the mechanism of oxidation. It was absolutely unconcealed that the Ti-6Al-4V-B4C film oxidization may be a multi-staged procedure subject on the heating rate. An occurrence of formal treatment for obtaining Kissinger’s assessment mechanics for various oxidization levels is additionally valid. The addition of B4C was supported to enhance the nanohardness of the coating. The morphology, composition and structure of the thin film coatings were examined by way of SEM, AFM and XRD. 2020 artículo científico 1665-6423 https://www.redalyc.org/articulo.oa?id=47471672004 https://www.redalyc.org/journal/474/47471672004/ https://www.redalyc.org/journal/474/47471672004/html/ https://www.redalyc.org/journal/474/47471672004/47471672004.epub https://www.redalyc.org/journal/474/47471672004/movil 10.14482/INDES.30.1.303.661 en http://www.redalyc.org/revista.oa?id=474 Journal of Applied Research and Technology application/pdf Universidad Nacional Autónoma de México Journal of Applied Research and Technology (México) Num.3 Vol.18 |
| title | TG/DTA studies on the oxidation and thermal behaviour of Ti-6Al-4V-B4C coatings obtained by magnetron sputtering |
| topic | Ingeniería nanohardness activation energy oxidation kinetics Thermogravimetric analysis differential thermal analysis |
| url | https://www.redalyc.org/articulo.oa?id=47471672004 https://www.redalyc.org/journal/474/47471672004/ https://www.redalyc.org/journal/474/47471672004/html/ https://www.redalyc.org/journal/474/47471672004/47471672004.epub https://www.redalyc.org/journal/474/47471672004/movil |