Deposition mechanisms of columnar structured La2Ce2O7 coatings via plasma spray-PVD
Source abstract
Abstract
Abstract Recently, a columnar structured La2Ce2O7 (LC) coating was successfully produced via plasma spray-physical vapor deposition (PS-PVD) but in a relatively narrow processing window. In this paper, spray distances were adjusted in suitable regions of columnar structures based on our previous work attempting to precisely control coating microstructures. The columnar coatings were investigated to be regularly distributed along the axial (spraying) and radial directions of the plasma jet, and can be divided into three types including PVD-like, Closely-packed and Particle-concomitant, respectively. The PVD-like coatings deposited mainly from vapor phase distribute at relatively short spray and radial distances, while the Closely-packed ones distribute at long radial distances (periphery of the samples). In addition, the Particle-concomitant ones distribute at long spray distances. The related deposition mechanisms are discussed and a deposition model is built to provide an additional understanding of PS-PVD.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High-Temperature Coating Behaviors · Diamond and Carbon-based Materials Research · Dust and Plasma Wave Phenomena
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (42)
Show source-provided references
1. Plasma spray-PVD: a new thermal spray process to deposit out of the vapor phase10.1007/s11666-011-9654-9 ↗
2. Novel opportunities for thermal spray by PS-PVD10.1016/j.surfcoat.2014.06.002 ↗
3. Novel thermal barrier coatings repel and resist molten silicate deposits10.1016/j.scriptamat.2018.12.028 ↗
4. Thin and dense ceramic coatings by plasma spraying at very low pressure10.1007/s11666-009-9416-0 ↗
5. Manufacturing of high performance solid oxide fuel cells (SOFCs) with atmospheric plasma spraying (APS) and plasma spray-physical vapor deposition (PS-PVD)10.1016/j.surfcoat.2016.10.088 ↗
6. Yb2Si2O7 environmental barrier coatings deposited by various thermal spray techniques: a preliminary comparative study10.1007/s11666-017-0574-1 ↗
7. Investigation of the resistance of open-column-structured PS-PVD TBCs to erosive and high-temperature corrosive attack10.1016/j.surfcoat.2017.05.003 ↗
8. Vapor phase deposition using plasma spray-PVD10.1007/s11666-009-9428-9 ↗
9. Influence of microstructure on thermal cycling lifetime and thermal insulation properties of yttria-stabilized zirconia thermal barrier coatings for diesel engine applications10.1016/j.surfcoat.2018.07.005 ↗
10. Advanced crystallographic study of the columnar growth of YZS coatings produced by PS-PVD10.1016/j.jeurceramsoc.2017.12.054 ↗
11. Microstructure, thermal conductivity and thermal cycling behavior of thermal barrier coatings prepared by plasma spray physical vapor deposition10.1016/j.surfcoat.2015.06.033 ↗
12. Process conditions and microstructures of ceramic coatings by gas phase deposition based on plasma spraying10.1007/s11666-012-9838-y ↗
13. Deposition mechanisms of yttria-stabilized zirconia coatings during plasma spray physical vapor deposition10.1016/j.ceramint.2015.12.111 ↗
14. Microstructures and deposition mechanisms of quasi-columnar structured yttria-stabilized zirconia coatings by plasma spray physical vapor deposition10.1016/j.ceramint.2017.06.190 ↗
15. Regional characteristics of YSZ coating prepared by expanded Ar/He/H plasma jet at very low pressure10.1016/j.surfcoat.2017.08.065 ↗
16. Microstructures of yttria-stabilized zirconia coatings by plasma spray-physical vapor deposition10.1007/s11666-014-0215-x ↗
17. Lanthanum-Cerium Oxide as a thermal barrier-coating material for high-temperature applications10.1002/adma.200304132 ↗
18. Novel thermal barrier coatings based on La2Ce2O7/8YSZ double-ceramic-layer systems deposited by electron beam physical vapor deposition10.1016/j.surfcoat.2007.09.047 ↗
19. Investigation on growth mechanisms of columnar structured YSZ coatings in Plasma Spray-Physical Vapor Deposition (PS-PVD)10.1016/j.jeurceramsoc.2019.04.003 ↗
20. Microstructures of La2Ce2O7 coatings produced by plasma spray-physical vapor deposition10.1016/j.jeurceramsoc.2019.11.042 ↗
21. Correlation of feedstock powder characteristics with microstructure, composition, and mechanical properties of La2Ce2O7 coatings produced by plasma spray-physical vapor deposition10.3390/coatings10020093 ↗
22. Dominant effect of particle size on the CeO2 preferential evaporation during plasma spraying of La2Ce2O710.1016/j.jeurceramsoc.2016.11.020 ↗
23. Composition, structure evolution and cyclic oxidation behavior of La2(Zr0.7Ce0.3)2O7 EB-PVD TBCs10.1016/j.jallcom.2009.11.053 ↗
24. Investigations on the nature of ceramic deposits in plasma spray-physical vapor deposition10.1007/s11666-016-0513-6 ↗
25. Very low pressure plasma spray-a review of an emerging technology in the thermal spray community10.3390/coatings1020117 ↗
26. Characteristics of a plasma torch designed for very low pressure plasma spraying10.1007/s11666-011-9730-1 ↗
27. Plasma characteristics and plasma-feedstock interaction under PS-PVD process conditions10.1007/s11090-014-9563-z ↗
28. Plasma spray-PVD: plasma characteristics and impact on coating properties10.1088/1742-6596/406/1/012005 ↗
29. Excitation temperature and constituent concentration profiles of the plasma jet under Plasma spray-PVD conditions10.1007/s11090-017-9832-8 ↗
30. The future of thermal plasma processing10.2320/matertrans1989.31.1 ↗
31. The future of thermal plasma processing for coating10.1351/pac199466061223 ↗
32. Toward a new era of plasma processing10.1351/pac200678061093 ↗
33. Thermal plasmas for nanofabrication10.1088/0022-3727/44/17/174025 ↗
34. High rate deposition of thick epitaxial films by thermal plasma flash evaporation10.1351/pac199870061193 ↗
35. Nano cluster assisted high rate epitaxy of silicon by mesoplasma CVD10.1016/j.surfcoat.2006.07.117 ↗
36. Conditions for nucleation and growth in the substrate boundary layer at plasma spray-physical vapor deposition (PS-PVD)10.1016/j.surfcoat.2018.06.086 ↗
37. Thermodynamic conditions for cluster formation in supersaturated boundary layer during plasma spray-physical vapor deposition10.1016/j.apsusc.2018.12.070 ↗
38. Wang · 2017
39. Mechanical and thermal transport properties of suspension thermal-sprayed alumina-zirconia composite coatings10.1007/s11666-007-9146-0 ↗
40. Column formation in suspension plasma-sprayed coatings and resultant thermal properties10.1007/s11666-011-9632-2 ↗
41. Numerical study on particle-gas interaction close to the substrates in thermal spray processes with high-kinetic and low-pressure conditions10.1007/s11666-018-0810-3 ↗
42. Thermal cycling behavior of La2Ce2O7/8YSZ double-ceramic-layer thermal barrier coatings prepared by atmospheric plasma spraying10.1016/j.surfcoat.2010.03.053 ↗