La feuille de route pour des applications clés en projection thermique
La projection thermique est une clé dans la quête de technologies respectueuses de l’environnement. Un article complet est paru dans la revue Journal of Thermal Spray Technology de Springer. En voici un extrait consacré aux différentes applications.
Figure 26 : Considerations that relate to the future direction of thermal spray and the relationships to the development
of biomaterial
Figure 27 : A ‘‘heat map’’ for biomaterial applications within the global field of thermal spray
Figure 28 : Evolution of phase content of hydroxyapatite-based coatings as functions of thermal spray variables. SOD= standoff distance, DE= deposition efficiency, ACP= amorphous calcium phosphate, TCP = tricalcium phosphate, TTCP = tetracalcium phosphate
Figure 29 : Landscape for biomaterial coatings with a focus on thermal spray. The aspects covered in this contribution are indicated on the Left.
Figure 30 : Subject areas in biomedical applications where future development is most opportune
Figure 31 : (Left) Direct deposit thermal spray system, (right) thermocouple directly sprayed onto engineering component
Figure 32 : TS coatings used in an industrial gas turbine (Ref 282).
Figure 33 : Relation between technology level and operating temperature for abradable coatings (Ref 282).
Figure 34 : SEM micrographs of SPS and PS-PVD YSZ coatings with columnar microstructure (courtesy of Dapeng Zhou and Wenting He, Forschungszentrum Jülich).
Figure 35 : Final global energy consumption. REN21 Renewables 2015 Global Status Report
Figure 36 : Turbine blades from hydroelectric plant seeing cavitation. Copyright _ 2013 ASM International_. All Rights Reserved
Figure 38 : Active oxidation mechanism caused by gaseous HCl (Ref 346)
Figure 39 : (a) Schematic of a thermoelectric generator (TEG). 1) Cold side heat exchanger. 2) Insulation. 3) Thermoelectric semiconducting materials. 4) Electrical connections. 5) Warm side heat exchanger. (b) Plasma-sprayed half-TEG module
table 3 : Life factors for Ni coatings based on experimental loss data (Ref 347)
Figure 41 : Polymer membrane water electrolyzer (PEM-WE). (a) Stack, (b) single repeat unit cell, (c) components of a cell and (d) crosssectional micrograph of coated bipolar plate
Figure 42 : Solid oxide cell (a) stack, (b) plasma-sprayed cell (c) cross-sectional micrograph of coated cell: (bottom to top) substrate, fuel electrode, electrolyte, oxygen electrode, current collector
Les derniers articles sur ce thème
