Les Rencontres Internationales sur la Projection Thermique – RIPT 9 11th to 13th December 2019, Jülich, Germany
Preliminary studies of TiO2 coatings deposition onto ABS polymer substrates by low pressure cold spraying
M. Winnicki, M. Jasiorski, A. Baszczuk, B. Borak
Wroclaw University of Science and Technology Faculty of Mechanical Engineering Lukasiewicza 5, 50-371 Wrocław, e-mail: [email protected]
Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Outline of presentation • Titanium dioxide – why?
• State of art in TiO2 deposition. • Low pressure cold spray operating principle. • Research genesis. • Process parameters. • Materials used in the research.
• TiO2 crystalline coatings.
• TiO2 amorphous coatings.
• TiO2 mixed crystalline - amorphous coatings. • Polyamide – anatase composite coatings. 2
Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Titanium dioxide – why?
Gas sensors Water and air purification Photocatalysts
Self-cleaning agent Antibacterial TiO2 agent
Electrochromic Wide gap devices semiconductor Solar oxide cells
3 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Titanium dioxide – why?
Rahim T.B.A., Fabrication of Cold Spray Ti-O Coatings Engineered from Agglomerated Powders, 2016, doctoral thesis 4 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
State of art in TiO2 deposition
TiO2 coating
Electro- CVD deposition
Magnetron Dip sputtering coating Thermal spraying
5 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
State of art in TiO2 deposition
An Introduction to Thermal Spray, Materials of Metal Spray Coating Corp., 11.2017 6 [http://metal-spray-coating.com/wp-content/uploads/2015/03/thermal_sparay.pdf] Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
State of art in TiO2 deposition
Hanft D., et al., An Overview of the Aerosol Deposition Method: Process Fundamentals and New Trends in Materials 7 Applications, Journal of Ceramic Science and Technology, vol. 6(3), 2015, pp. 147-182 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Low pressure cold spray operating principle
de Laval nozzle
convergent part
nozzle throat
divergent part Powder Feeding
8 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Research genesis
Working gas temperature - 600 ˚C
a,b,c – three analysed points at the coating surface
9 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Research genesis
10 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Process parameters
Substrate: ABS (Acrylonitrile Butadiene Styrene) polymer
11 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Materials used in the research Amorphous Anatase Polyamide PA 2200
100 µm 100 µm 100 µm
30 µm 50 µm 50 µm
10 µm 10 µm
12 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Research plan 1 2 3 4 Amorphous+ PA2200+ Anatase Amorphous Anatase Anatase powder powder powder powder
200 °C 200 °C 200 °C 200 °C
300 °C 300 °C 300 °C 300 °C
(i) Without (i) Without (i) Without treatment, treatment, treatment, Grit blasted (ii) grit (ii) grit (ii) grit 350 µm blasted 350 blasted 350 blasted 350 µm µm µm 13 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Research plan 1 2 3 4
Amorphous+ PA2200+ Anatase Amorphous Anatase Anatase powder powder powder powder
200 °C 200 °C 200 °C 200 °C
300 °C 300 °C 300 °C 300 °C
(i) Without (i) Without (i) Without Grit blasted treatment, treatment, treatment, 350 µm (ii) grit (ii) grit (ii) grit blasted 350 blasted 350 blasted 350 µm µm µm 14 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 crystalline coatings
250 µm
Anatase powder - 200 ˚C / substrate without treatment
15 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 crystalline coatings
250 µm
Anatase powder - 200 ˚C / substrate grit blaset – 350 µm
16 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 crystalline coatings
250 µm
Anatase powder - 300 ˚C / substrate without treatment
17 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 crystalline coatings
250 µm
Anatase powder - 300 ˚C / substrate grit blaset – 350 µm
18 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Research plan 1 2 3 4 Amorphous+ PA2200+ Anatase Amorphous Anatase Anatase powder powder powder powder
200 °C 200 °C 200 °C 200 °C
300 °C 300 °C 300 °C 300 °C
(i) Without (i) Without (i) Without treatment, treatment, treatment, Grit blasted (ii) grit (ii) grit (ii) grit 350 µm blasted 350 blasted 350 blasted 350 µm µm µm 19 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 amorphous coatings
250 µm
Amorphous powder - 200 ˚C / substrate without treatment
20 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 amorphous coatings
250 µm
Amorphous powder - 200 ˚C / substrate grit blaset – 350 µm
21 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 amorphous coatings
250 µm
Amorphous powder - 300 ˚C / substrate without treatment
22 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 amorphous coatings
250 µm
Amorphous powder - 300 ˚C / substrate grit blaset – 350 µm
23 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Research plan 1 2 3 4 Amorphous+ PA2200+ Anatase Amorphous Anatase Anatase powder powder powder powder
200 °C 200 °C 200 °C 200 °C
300 °C 300 °C 300 °C 300 °C
(i) Without (i) Without (i) Without treatment, treatment, treatment, Grit blasted (ii) grit (ii) grit (ii) grit 350 µm blasted 350 blasted 350 blasted 350 µm µm µm 24 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 mixed coatings
250 µm
Amorphous + Anatase powder (vol.% 50/50) - 200 ˚C / substrate without treatment
25 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 mixed coatings
250 µm
Amorphous + Anatase powder (vol.% 50/50) - 200 ˚C / substrate grit blaset – 350 µm
26 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 mixed coatings
250 µm
Amorphous + Anatase powder (vol.% 50/50) - 300 ˚C / substrate without treatment
27 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 mixed coatings
250 µm
Amorphous + Anatase powder (vol.% 50/50) - 300 ˚C / substrate grit blaset – 350 µm
28 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Research plan 1 2 3 4 Amorphous+ PA2200+ Anatase Amorphous Anatase Anatase powder powder powder powder
200 °C 200 °C 200 °C 200 °C
300 °C 300 °C 300 °C 300 °C
(i) Without (i) Without (i) Without treatment, treatment, treatment, Grit blasted (ii) grit (ii) grit (ii) grit 350 µm blasted 350 blasted 350 blasted 350 µm µm µm 29 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 mixed coatings
250 µm
PA2200 + Anatase powder (vol.% 50/50) - 200 ˚C / substrate grit blaset – 350 µm
30 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
TiO2 mixed coatings
250 µm
PA2200 + Anatase powder (vol.% 50/50) - 300 ˚C / substrate grit blaset – 350 µm
31 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying Coatings bond strength
32 Preliminary studies of TiO2 coatings deposition onto ABS substrates by low pressure cold spraying
Thank you for your attention
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