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Solution Precursor Plasma Spray System (eBook)

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2014 | 2014
XXI, 100 Seiten
Springer International Publishing (Verlag)
978-3-319-07025-4 (ISBN)

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Solution Precursor Plasma Spray System - Noppakun Sanpo
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This Brief describes the influence of the different organic chelating agents on the topography, physical properties and phases of SPPS-deposited spinel ferrite splats. The author describes how by using the SPPS process, the coating is produced directly from a solution precursor and how all physical and chemical reactions such as evaporation, decomposition, crystallization and coating formation occur in a single step. The author details not only the innovative approach to liquid feeding, but also focuses on its effects on the spinel ferrite system. The results of experimentation as well as detailed explanations of the experiments are included.

Dr. Noppakun Sanpo is a member of the faculty of Engineering and Industrial Sciences at Swinburne University of Technology, Australia. His research activities involve suspension/solution plasma spray technology of cobalt ferrite coatings. Before moving to Australia, Dr. Sanpo was a researcher at Nanyang Technological University (NTU), Singapore studying composite coatings obtained from cold-spray technology of polymer/ceramic/metal powders. His research interests include solution/suspension precursor plasma spray, synthesis and characterization of nanoparticles, biomedical applications of nanoparticles, analysis and interpretation and structural analysis and phase transition behaviour of polymers.

Dr. Noppakun Sanpo is a member of the faculty of Engineering and Industrial Sciences at Swinburne University of Technology, Australia. His research activities involve suspension/solution plasma spray technology of cobalt ferrite coatings. Before moving to Australia, Dr. Sanpo was a researcher at Nanyang Technological University (NTU), Singapore studying composite coatings obtained from cold-spray technology of polymer/ceramic/metal powders. His research interests include solution/suspension precursor plasma spray, synthesis and characterization of nanoparticles, biomedical applications of nanoparticles, analysis and interpretation and structural analysis and phase transition behaviour of polymers.

2.6 Chelating agents 2.6.1 Mineral processing examples of using chelating agents 2.6.2 Polymeric chelating agent 2.6.3 Organic acids 2.6.4 Summary of benefits and detriments of chelating agents 2.7 Introduction of thermal spray technology 2.7.1 Thermal spray techniques 2.7.2 Plasma 2.8 The phenomena controlling the plasma jet 2.8.1 Plasma torches used for suspension or solution spraying 2.8.2 Radio frequency plasma torches 2.9 Feedstock delivery systems 2.9.1 Spray atomization 2.9.2 Powder feeding systems 2.9.3 Gravity-based devices 2.9.4 Rotating wheel devices 2.9.5 Fluidized-bed systems 2.9.6 Liquid feeding systems 2.10 Quality control and feedstock material specification 2.11 Physical and chemical phenomena with liquid feedstock Thickness of thermal sprayed coatings 2.15 Concluding remarks 3. Experimental methods 3.1 Solution precursor preparation (Vary the types of chelating agent 3.2 Solution precursor preparation (Vary the concentrations of chelating agent) 3.3 Plasma spray parameters 3.4 Plasma spray cobalt ferrite splats characterizations 3.4.1 Image analysis 3.4.2 Scanning electron microscopy analysis 3.4.3 Energy dispersive X-ray spectrometry 3.4.4 Raman spectroscopy 3.4.5 Differential scanning calorimetry 4. Influence of the different organic chelating agents on the topography, physical properties and phase of SPPS-deposited spinel ferrite splats 4.1 Introduction 4.1.1 Chelating agents 4.1.2 Thermal spray processing of ferrite coatings 4.1.3 Techniques to examine phases 4.2 Results and discussion 4.2.1 Splat topography 4.2.2 The Co:Fe ratio 4.2.3 Statistical analysis of splat morphologies 4.2.4 3D profiler analyses 4.2.5 Roughness parameters 4.2.6 Image analyses 4.2.7 Raman spectroscopy analyses 4.2.8 Effect of the different types of chelating agents 4.3 Conclusions 5. Effect of the chelating agent contents on the topography composition and phase of SPPS-deposited cobalt ferrite splats 5.1 Introduction 5.1.1 Thermal spray processing of ferrite coatings 5.1.2 Single splat behavior 5.2 Results and discussion 5.2.1 Splat topography 5.2.2 Statistical analysis of splat morphologies 5.2.3 3D profiler analyses 5.2.4 Image analyses 5.2.5 DSC/TGA analyses 5.2.6 Raman spectroscopy analyses 5.2.7 Effect of the chelating agent contents 5.3 Conclusions 6. Conclusions 6.1 Overview 6.2 Plasma spray cobalt ferrite splats 6.2.1 Effect of different chelating agent 6.2.2 Effect of chelating agent contents 7. Future perspectives 101 7.1 Study of plasma spray cobalt ferrite splats 7.2 Proposed application of plasma spray cobalt ferrite splats.

Erscheint lt. Verlag 17.6.2014
Reihe/Serie SpringerBriefs in Materials
SpringerBriefs in Materials
Zusatzinfo XXI, 100 p. 53 illus., 38 illus. in color.
Verlagsort Cham
Sprache englisch
Themenwelt Naturwissenschaften Chemie
Naturwissenschaften Physik / Astronomie
Technik Maschinenbau
Schlagworte Chelating Agent • Cobalt Ferrite Splats • Solution Plasma Spray • Solution Precursor Plasma Spray • Spinel Ferrite • Spinel Ferrite Sol-gel • Splats • SPPS • thermal spray
ISBN-10 3-319-07025-8 / 3319070258
ISBN-13 978-3-319-07025-4 / 9783319070254
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