Principles of Coating Technology
Principles of Coating Technology
Principles of Coating Technology
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
GFE Schmalkalden e.V. Thermal spraying<br />
• melting and acceleration <strong>of</strong> metallic or non-metallic material toward to an<br />
substrate<br />
• Surface normally is not molten<br />
• <strong>Coating</strong> adhesion mainly results by mechanical clamping depending on<br />
surface roughness and by adhesive processes<br />
Process scetch<br />
<strong>Principles</strong> <strong>of</strong> <strong>Coating</strong> <strong>Technology</strong> II<br />
Spray gun<br />
Spray material<br />
- powder<br />
- wire<br />
- rods<br />
Heating and<br />
accelerating<br />
Energy source<br />
- flame<br />
- arc<br />
- plasma<br />
substrate<br />
GFE Schmalkalden e.V. Thermal spraying<br />
Formation <strong>of</strong> the coating structure<br />
<strong>Principles</strong> <strong>of</strong> <strong>Coating</strong> <strong>Technology</strong> II<br />
Pore<br />
Oxidized particle<br />
Not melted particle<br />
substrate<br />
• Flowing and overlaying <strong>of</strong> molten<br />
particles<br />
• generation <strong>of</strong> oxides and pores<br />
• Inhomogeneous coating structure<br />
3<br />
4<br />
2
Change language