The Formation of Composite Ti-Al-N Coatings Using Filtered Vacuum Arc Deposition with Separate Cathodes
| Parent link: | Metals Vol. 7, iss. 11.— 2017.— [497, 13 p.] |
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| Autor corporatiu: | |
| Altres autors: | , , , , , , , |
| Sumari: | Title screen Ti-Al-N coatings were deposited on high-speed steel substrates by filtered vacuum arc deposition (FVAD) during evaporation of aluminum and titanium cathodes. Distribution of elements, phase composition, and mechanical properties of Ti-Al-N coatings were investigated using Auger electron spectroscopy (AES), X-ray diffraction (XRD), transmission electron microscopy (TEM) and nanoindentation, respectively. Additionally, tribological tests and scratch tests of the coatings were performed. The stoichiometry of the coating changes from Ti0.6Al0.4N to Ti0.48Al0.52N with increasing aluminum arc current from 70 A to 90 A, respectively. XRD and TEM showed only face-centered cubic Ti-Al-N phase with preferred orientation of the crystallites in (220) direction with respect to the sample normal and without precipitates of AlN or intermetallics inside the coatings. Incorporation of Al into the TiN lattice caused shifting of the (220) reflex to a higher 2? angle with increasing Al content. Low content and size of microdroplets were obtained using coaxial plasma filters, which provides good mechanical and tribological properties of the coatings. The highest value of microhardness (36 GPa) and the best wear-resistance were achieved for the coating with higher Al content, thus for Ti0.48Al0.52N. These coatings exhibit good adhesive properties up to 30 N load in the scratch tests. |
| Idioma: | anglès |
| Publicat: |
2017
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| Matèries: | |
| Accés en línia: | http://dx.doi.org/10.3390/met7110497 |
| Format: | Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=656840 |
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| 200 | 1 | |a The Formation of Composite Ti-Al-N Coatings Using Filtered Vacuum Arc Deposition with Separate Cathodes |f I. A. Shulepov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 49 tit.] | ||
| 330 | |a Ti-Al-N coatings were deposited on high-speed steel substrates by filtered vacuum arc deposition (FVAD) during evaporation of aluminum and titanium cathodes. Distribution of elements, phase composition, and mechanical properties of Ti-Al-N coatings were investigated using Auger electron spectroscopy (AES), X-ray diffraction (XRD), transmission electron microscopy (TEM) and nanoindentation, respectively. Additionally, tribological tests and scratch tests of the coatings were performed. The stoichiometry of the coating changes from Ti0.6Al0.4N to Ti0.48Al0.52N with increasing aluminum arc current from 70 A to 90 A, respectively. XRD and TEM showed only face-centered cubic Ti-Al-N phase with preferred orientation of the crystallites in (220) direction with respect to the sample normal and without precipitates of AlN or intermetallics inside the coatings. Incorporation of Al into the TiN lattice caused shifting of the (220) reflex to a higher 2? angle with increasing Al content. Low content and size of microdroplets were obtained using coaxial plasma filters, which provides good mechanical and tribological properties of the coatings. The highest value of microhardness (36 GPa) and the best wear-resistance were achieved for the coating with higher Al content, thus for Ti0.48Al0.52N. These coatings exhibit good adhesive properties up to 30 N load in the scratch tests. | ||
| 461 | |t Metals | ||
| 463 | |t Vol. 7, iss. 11 |v [497, 13 p.] |d 2017 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a вакуумная дуга | |
| 610 | 1 | |a осаждение | |
| 610 | 1 | |a катоды | |
| 610 | 1 | |a фазовый состав | |
| 610 | 1 | |a твердость | |
| 610 | 1 | |a износостойкость | |
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| 701 | 1 | |a Stepanov |b I. B. |c physicist |c Head of the laboratory of Tomsk Polytechnic University, Doctor of technical sciences |f 1968- |g Igor Borisovich |3 (RuTPU)RU\TPU\pers\34218 |9 17749 | |
| 701 | 1 | |a Syrtanov |b M. S. |c physicist |c Associate Professor, Researcher of Tomsk Polytechnic University, Candidate of Technical Sciences |f 1990- |g Maksim Sergeevich |3 (RuTPU)RU\TPU\pers\34764 |9 18114 | |
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