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Properties of hybrid TiN/Al₂O₃ coatings using electron beam melting
New experimental results on studies of the structure, element and phase composition of hybrid coatings deposited on a substrate of stainless steel AISI 321 are presented using combined application of several methods of coating deposition (plasma-detonation and vacuum arc ones) with subsequent surfac...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
Науковий фізико-технологічний центр МОН та НАН України
2007
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| Series: | Физическая инженерия поверхности |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/98802 |
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| Summary: | New experimental results on studies of the structure, element and phase composition of hybrid coatings deposited on a substrate of stainless steel AISI 321 are presented using combined application of several methods of coating deposition (plasma-detonation and vacuum arc ones) with subsequent surface treatment by a high-current electron beam (HCEB). We found that an increase in the energy density enhanced the processes of mass-transfer and allowed one to produce denser powder coatings. We demonstrated the results of corrosion tests for TiN/Al₂O₃ coatings in their initial state and after electron-beam modification of their surfaces. We obtained an essential increase in the hybrid coating resistance to corrosion in 0.5 M solution of H₂SO₄ after electron beam treatment. |
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