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| 001 | 16594 | ||
| 005 | 20240708132650.0 | ||
| 024 | 7 | _ | |2 DOI |a 10.1016/j.surfcoat.2011.06.032 |
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| 084 | _ | _ | |2 WoS |a Materials Science, Coatings & Films |
| 084 | _ | _ | |2 WoS |a Physics, Applied |
| 100 | 1 | _ | |0 P:(DE-Juel1)VDB77586 |a Karger, M. |b 0 |u FZJ |
| 245 | _ | _ | |a Atmospheric plasma sprayed thermal barrier coatings with high segmentation crack densities: Spraying process, microstructure and thermal cycling behavior |
| 260 | _ | _ | |a Amsterdam [u.a.] |b Elsevier Science |c 2011 |
| 300 | _ | _ | |a 16 - 23 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
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| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |0 5670 |a Surface and Coatings Technology |v 206 |x 0257-8972 |y 1 |
| 500 | _ | _ | |a This work was partially supported by the EC ("TOPPCOAT", Project No. AST4-CT-2005-516149). The author thanks K.H. Rauwald, R. Laufs and F. Vondahlen for plasma spraying the specimen and M. Kappertz, Dr. D. Sebold and Dr. D.E. Mack for their experimental contribution to this work. |
| 520 | _ | _ | |a Thermal barrier coatings (TBCs) with high strain tolerance are favorable for application in hot gas sections of aircraft turbines. To improve the strain tolerance of atmospheric plasma sprayed (APS) TBCs, 400 mu m-500 mu m thick coatings with very high segmentation crack densities produced with fused and crushed yttria stabilized zirconia (YSZ) were developed. Using a Triplex II plasma gun and an optimized spraying process, coatings with segmentation crack densities up to 8.9 cracks mm(-1), and porosity values lower than 6% were obtained. The density of branching cracks was quite low which is inevitable for a good inter-lamellar bonding. Thermal cycling tests yielded promising strain tolerance behavior for the manufactured coatings. Samples with high segmentation crack densities revealed promising lifetime in burner rig tests at rather high surface (1350 degrees C) and bondcoat temperatures (up to 1085 degrees C), while coatings with lower crack densities had a reduced performance. Microstructural investigations on cross-sections and fracture surfaces showed that the segmentation crack network was stable during thermal shock testing for different crack densities. The main failure mechanism was delamination and horizontal cracking within the TBC near the thermal grown oxide layer (TGOs) and the TBC. (C) 2011 Elsevier B.V. All rights reserved. |
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| 650 | _ | 7 | |2 WoSType |a J |
| 653 | 2 | 0 | |2 Author |a Plasma spraying |
| 653 | 2 | 0 | |2 Author |a Segmentation cracks |
| 653 | 2 | 0 | |2 Author |a Dense vertically cracked |
| 653 | 2 | 0 | |2 Author |a Thermal barrier coatings |
| 653 | 2 | 0 | |2 Author |a Yttria-stabilized zirconia (YSZ) |
| 700 | 1 | _ | |0 P:(DE-Juel1)129670 |a Vaßen, R. |b 1 |u FZJ |
| 700 | 1 | _ | |0 P:(DE-Juel1)129666 |a Stöver, D. |b 2 |u FZJ |
| 773 | _ | _ | |0 PERI:(DE-600)1502240-7 |a 10.1016/j.surfcoat.2011.06.032 |g Vol. 206, p. 16 - 23 |p 16 - 23 |q 206<16 - 23 |t Surface and coatings technology |v 206 |x 0257-8972 |y 2011 |
| 856 | 7 | _ | |u http://dx.doi.org/10.1016/j.surfcoat.2011.06.032 |
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| 914 | 1 | _ | |y 2011 |
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