SLIDE 8 8
Center for Nanostructured Materials Technology
21C Frontier R&D Program
CNMT 15
Nanostructured Thermal spray coating by S.H. Hwang of
RIST and H.K. Suk of KIST Development of Feedstock Materials
Powder feedstock from nanoparticles by spray drying or liquid condensation Hard metallic wire by spray forming and downstream mechanical processing
Development of Thermal Spray Processes
Plasma spraying, High velocity
- xyfuel spraying, Cold spraying,
Electric arc spraying
WC/Co cermet coating for high wear resistance and durability Multi-component coating for low friction coefficient Hard metallic coating for corrosion and erosion resistance
Homogeneous Feedstock Constant Volume Dr ying Liquid Condensation Homogeneous Feedstock Constant Volume Dr ying Liquid Condensation Core/Shell Feedstock Spray D rying Controlled Bleeding Core/Shell Feedstock Spray D rying Controlled Bleeding
Multi-component solid lubricant coating WC/Co cermet coating
Plasma spraying
Center for Nanostructured Materials Technology
21C Frontier R&D Program
CNMT 16
Organic / Inorganic Hybrid Nanocomposite Coating for Plastic Materials by Kilwon Cho of Postech
Organic / organic nanocomposite coating through the control of crystallization of inorganic materials on the various organic templates
s u b s t r a t e
C a
2 +
C O
3 2
a C O
3
i n t e r a c t i
substrate
O O Si O CH3 Si CH 3 Si O CH 3 O O O
Multilayered organic/inorganic nanocomposite thin film by using dip
- coating
- r spin coating with polyelectrolyte and nano-
particles.
200 300 400 500 600 0.0 0.2 0.4 0.6 0.8 1.0 1.2 DR/PSS coated ZrO
2
2 4 6 8 10
Absorbance(A.U.) Wavelength(nm)