ArenNano Black Stainless black sol gel on Stainless Steel · Arceo Engineering, 12 sept. 2016 12...

1 Arceo Engineering, 12 sept. 2016

ArenNano Black Stainless

black sol gel on Stainless Steel

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

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

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

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

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

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

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

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

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

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)

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)

13 Arceo Engineering, 12 sept. 2016

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

sales@arceo-eng.com