Abstract
Comparative in-flight measurements of particles plasma sprayed by F4 and Triplex II guns were carried out using the diagnostic systems DPV-2000 and Accuraspray-g3. The comparison of mean particle velocities and temperatures as well as intensity profiles of the plume show a good agreement confirming their accuracy. However, the varying operating principles especially the deceased dimensions of the measurement volumes have to be considered carefully when evaluating the results. Furthermore, some applications of the diagnostic systems DPV-2000 and Accuraspray-g3 are shown. Finally some application limits, which were identified for certain powder compositions at higher plasma power levels will be discussed.
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Acknowledgments
The authors would like to thank Dr. J.-L. Marqués-López for the discussions on measurement results and Mr. K.-H. Rauwald (both IEF-1, Juelich Research Centre) for his support in performing the measurements. Helpful discussions on application limits of particle diagnostics with L. Pouliot (Tecnar Automation Ltée, St-Bruno, Qc, Canada) and providing an alternative modified sensor head for the Accuraspray-g3 are gratefully acknowledged.
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Mauer, G., Vaßen, R. & Stöver, D. Comparison and Applications of DPV-2000 and Accuraspray-g3 Diagnostic Systems. J Therm Spray Tech 16, 414–424 (2007). https://doi.org/10.1007/s11666-007-9047-2
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DOI: https://doi.org/10.1007/s11666-007-9047-2