ArenNano Black Stainless black sol gel on Stainless Steel · Arceo Engineering, 12 sept. 2016 12...
Transcript of ArenNano Black Stainless black sol gel on Stainless Steel · Arceo Engineering, 12 sept. 2016 12...
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1 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
black sol gel on Stainless Steel
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2 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Metal
Primer
Top coat
Transparent
protection layer
Metal
Top coat + protection
Context of the NANOSOL project
Protection of organic layers • Coating for home appliances
• Anti finger print coating
Functional coating • Performance comparison
with conventional coatings
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3 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Coating based on the Nanoxid product range: application by
spray or roll coating
Colloïdal solution – SiO2
liquid film application drying
Black sol gel = Nanoxid (transparent) + carbon particles
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4 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
1 µm 5 µm
Application on brushed stainless steel –
trial on Arceo Engineering roll coating line
Coating thickness Aspect (color and gloss)
The « metallic grinded look » is kept alive
The aesthetics depend on the layer thickness : black bronze
Gloss compared to grinding direction :
Gloss parallel to grinding //: 40
Gloss perpendicular to grinding : 12
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5 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Mechanical properties
Qualitative tests
• Adherence on flat surface
and crossed surface :
100% adherence
Standard tests
• Impact resistance: 18 J
• T-bend
Excellent adherence on the
substrate
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6 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Mechanical properties
Test Erichsen: up to 6 mm Test Marciniak 13% deformation No cracks, no delamination
No color change on deformed zones
Ability for deepdrawing
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7 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Mechanical Properties : hardness
Indentation: measurement of hardness and elasticity module
Hardness calculation:
For micrometric coatings control of the indentation depth at nanometric scale
Nanoindentation: load ~100 mN, indentation depth ~ 1-2 µm
Coating Hardness
(Gpa)
Young Module
(Gpa)
Anti finger print varnish 0,2 3-5
Black sol gel 0,2 4
304 steel : H= 3-5 GPa
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8 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Mechanical characteristics : tribologic properties
Measurement of the friction coefficient tribometer pawn-disc
Low friction coefficient: µ ~0,3
Good resistance to wear
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9 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Resistance to friction
weight (0,25 to 1 kg)
Observation quotation
No scratches 0
Low density of scratches 1
Medium density of scratches 2-3
High density of scratches 4
Completely scratched 5
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10 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Référence Référence
10 AR //
Référence
10 AR
+ 10 * back and forth with
soft cloth
scratches emanate from the scratching device
soft cloth allows easy cleaning of the scratches
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11 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Corrosion resistance
QCT > 4000 h (in progress)
Salt Spray Test > 2000 h (in progress)
QUVa + humidity > 4000 h (in progress)
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12 Arceo Engineering, 12 sept. 2016
ArenNano Black Stainless
Chemicals and Food resistance
Food stuff 24h @ 23°C
Milk
Butter
Lemon
Cola
Chemicals 24h @ 23°C
Ethanol
Acetone
Acetic acid
Food stuff 2h @ 23°C
Ketchup
Mustard
Tomato sauce
Chemicals 2h @ 23°C
CIF
detergent
NaOH
Food stuff 1h @ 70°C
Tea
Coffee
Olive oil
Salt water
Temperature resistance
1h @ 170°C : OK
1h in boiling water : OK
Certificate of compliance Safety of Toys EN71-3
Certificate of non migration as per EN-1186 (migration
0004-S)
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ArenNano Black Stainless
Conclusions
The ArenNano Black Stainless coating solution shows :
a pleasant aesthetic finish respecting the grinded metallic
appearance
Resistance to wear and friction
Bending and deepdrawing (13% Marciniak) abilities
Resistance to food stuff and chemicals
Typical applications are :
Household goods, home appliances, kitchen decoration,
indoor architecture
Effective outdoor corrosion tests allow as well outdoor
applications (tests ongoing).
Arceo Engineering
Ivoz-Ramet Belgium
www.arceo-eng.com