Details
| Original language | English |
|---|---|
| Title of host publication | Expanding Thermal Spray Performance to New Markets and Applications - Proceedings of the 2009 International Thermal Spray Conference, ITSC 2009 |
| Pages | 762-767 |
| Number of pages | 6 |
| Publication status | Published - 4 May 2009 |
| Event | Expanding Thermal Spray Performance to New Markets and Applications - 2009 International Thermal Spray Conference, ITSC 2009 - Las Vegas, NV, United States Duration: 4 May 2009 → 7 May 2009 |
Publication series
| Name | Proceedings of the International Thermal Spray Conference |
|---|
Abstract
In order to homogenize the properties of APS sprayed coatings by employing 3-cathode technologies, the spray process was investigated using numerical simulations combined with innovative diagnostic techniques. Thus the process was subdivided into three areas: the plasma torch, the free jet and the coating formation, allowing the development of individual numerical models. By simulating these areas separately and combining the results, appropriate process parameters for homogenized coatings were to be obtained. A numerical model for a 3-cathode torch was developed to investigate the plasma flow inside the torch. For a comprehensive computation of coating formation, which, besides the impact, flattening and solidification of the particles, includes the mechanical properties of the coating, a "Volume of Fluid" algorithm (VOF) is coupled with a "Finite Element Method" (FEM). In order to verify the modeling of the plasma jet and to provide input data for the coating formation the diapostic efforts were concentrated on measuring the gas temperature of the plasma as well as particle shape, velocity and temperature. The results of spatially resolved 3D analysis employing an innovative tomography system for most of the mentioned parameters are presented and compared with the numerical results.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Surfaces and Interfaces
- Materials Science(all)
- Surfaces, Coatings and Films
- Materials Science(all)
- Materials Chemistry
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Expanding Thermal Spray Performance to New Markets and Applications - Proceedings of the 2009 International Thermal Spray Conference, ITSC 2009. 2009. p. 762-767 (Proceedings of the International Thermal Spray Conference).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Homogenization of coating properties in atmospheric plasma spraying - New results of a DFG (German Research Foundation)-Funded Research Group
AU - Bobzin, K.
AU - Bagcivan, N.
AU - Parkot, D.
AU - Petkovic, I.
AU - Schein, J.
AU - Forster, G.
AU - Zimmermann, S.
AU - Marques, J. L.
AU - Bach, Fr W.
AU - Möhwald, K.
AU - Prehm, J.
AU - Hartz, K.
PY - 2009/5/4
Y1 - 2009/5/4
N2 - In order to homogenize the properties of APS sprayed coatings by employing 3-cathode technologies, the spray process was investigated using numerical simulations combined with innovative diagnostic techniques. Thus the process was subdivided into three areas: the plasma torch, the free jet and the coating formation, allowing the development of individual numerical models. By simulating these areas separately and combining the results, appropriate process parameters for homogenized coatings were to be obtained. A numerical model for a 3-cathode torch was developed to investigate the plasma flow inside the torch. For a comprehensive computation of coating formation, which, besides the impact, flattening and solidification of the particles, includes the mechanical properties of the coating, a "Volume of Fluid" algorithm (VOF) is coupled with a "Finite Element Method" (FEM). In order to verify the modeling of the plasma jet and to provide input data for the coating formation the diapostic efforts were concentrated on measuring the gas temperature of the plasma as well as particle shape, velocity and temperature. The results of spatially resolved 3D analysis employing an innovative tomography system for most of the mentioned parameters are presented and compared with the numerical results.
AB - In order to homogenize the properties of APS sprayed coatings by employing 3-cathode technologies, the spray process was investigated using numerical simulations combined with innovative diagnostic techniques. Thus the process was subdivided into three areas: the plasma torch, the free jet and the coating formation, allowing the development of individual numerical models. By simulating these areas separately and combining the results, appropriate process parameters for homogenized coatings were to be obtained. A numerical model for a 3-cathode torch was developed to investigate the plasma flow inside the torch. For a comprehensive computation of coating formation, which, besides the impact, flattening and solidification of the particles, includes the mechanical properties of the coating, a "Volume of Fluid" algorithm (VOF) is coupled with a "Finite Element Method" (FEM). In order to verify the modeling of the plasma jet and to provide input data for the coating formation the diapostic efforts were concentrated on measuring the gas temperature of the plasma as well as particle shape, velocity and temperature. The results of spatially resolved 3D analysis employing an innovative tomography system for most of the mentioned parameters are presented and compared with the numerical results.
UR - http://www.scopus.com/inward/record.url?scp=76749105721&partnerID=8YFLogxK
U2 - 10.1361/cp2009itsc0762
DO - 10.1361/cp2009itsc0762
M3 - Conference contribution
AN - SCOPUS:76749105721
SN - 9781615030040
T3 - Proceedings of the International Thermal Spray Conference
SP - 762
EP - 767
BT - Expanding Thermal Spray Performance to New Markets and Applications - Proceedings of the 2009 International Thermal Spray Conference, ITSC 2009
T2 - Expanding Thermal Spray Performance to New Markets and Applications - 2009 International Thermal Spray Conference, ITSC 2009
Y2 - 4 May 2009 through 7 May 2009
ER -