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| Content Provider | Springer Nature Link |
|---|---|
| Author | He, Peng jiang Yin, Shuo Song, Chen Lapostolle, Frédéric Liao, Han lin |
| Copyright Year | 2015 |
| Abstract | The research presented here aimed to apply plasma spraying at a low pressure of 100 Pa for fabricating the columnar structure or dense coatings. These coatings with different structures were elaborated from the vapor condensation and molten droplets, respectively, using the agglomerated YSZ powders and a relatively low power commercial F4-VB torch. It was shown that the crystallite size of coating deposited from the vapor condensation at a spraying distance of 200 mm was reduced to 17.1 nm from 43.7 nm of the feedstock. Observations indicated that a thin columnar structured coating was produced out of the line of sight of projection. In the line of sight of projection, the hybrid structured coating was obtained. The relatively dense coating was fabricated using a specifically designed extended nozzle. Investigations by means of optical emission spectroscopy were performed to analyze the nature of the plasma jet with YSZ powders. The Vickers microhardness was also conducted. It was found that the relatively dense coating showed a higher value in comparison to the hybrid structure coating, up to 1273 ± 56 Hv$_{100g}$. |
| Starting Page | 558 |
| Ending Page | 566 |
| Page Count | 9 |
| File Format | |
| ISSN | 10599630 |
| Journal | Journal of Thermal Spray Technology |
| Volume Number | 25 |
| Issue Number | 3 |
| e-ISSN | 15441016 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-12-31 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | low-pressure plasma spraying optical emission spectroscopy vickers microhardness yttria-stabilized zirconia Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings Characterization and Evaluation of Materials Operating Procedures, Materials Treatment Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Surfaces, Coatings and Films Materials Chemistry Condensed Matter Physics |
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