© ITC-AICE E! 3792 ENIWEP TRIBOSTAND Kick-off meeting Paris 16 th January 2009

Tribostand Meeting 16/01/09 | © ITC-AICE Index 1.Meeting agenda 2.Project diagram 3.Selected samples 4.Sample dimentions 5.Sample preparation 6.Selected tests 7.ITC tests 6.1 Porosity 6.2 Roughness

Tribostand Meeting 16/01/09 | © ITC-AICE Meeting agenda 8:30 – 9:00Registration 9:00 – 10:00IPR Contract 10:00 – 10:30Funding and coordination issues. Further coordination of Tribostand: new co-ordinator to be nominated 10:30 – 10:45Coffee break 10:45 – 11:15Samples for the development of the project 11:15 – 13:30Technical progress by group leaders 13:30End of Meeting

Tribostand Meeting 16/01/09 | © ITC-AICE Project diagram 1 Bibliographic search 2 Selection of tests 5 Start-up of service 6.1 Submission of protocols 6.2 Dissemination of results 7 Project management 4 Study of the tests 3 Selection of equipment and samples

Tribostand Meeting 16/01/09 | © ITC-AICE Selected samples to test SELECTED SAMPLES MATERIAL Substrate White opaque ceramic glass Coating DLC coating PVD coating NUMBER Non- destuctive tests 2 samples Destructive test 5 samples

Tribostand Meeting 16/01/09 | © ITC-AICE Sample dimentions TestTest LeaderMembersSample dimentions RoughnessITC6100x100 mm Chemical resistanceECP3 ø 40 mm* NanoindentationAIN550x50 mm MicrohardnessTRIBOTECHNIC450x50 mm Coating thicknessUC6 ø 40 mm* Scratch resistanceAIN625 x 50 mm PorosityITC212x12 mm Wear (Rotating)TEKNIKER9 ø 40 mm Wear (Reciprocating)UC740x40 mm Abrasion (Sand)IPN340x20 mm Abrasion (Taber)TEKNIKER3100x100 mm MicrotribologyNPL620x30 mm

Tribostand Meeting 16/01/09 | © ITC-AICE Sample preparation White opaque ceramic glass samples were prepared and sent to all partners, in order to be able to know the behaviour of the sample substrate Samples to be coated were cut as well. They were sent to AIN with the aim of coating them using both kinds of layers: DLC and PVD. The coating process is still in progress Samples were cut depending on the needings of each participant. These samples have been referenciated depending on their original piece of material

Tribostand Meeting 16/01/09 | © ITC-AICE Selected tests TestParticipants / Leader Roughness ITC, TEKNIKER, AIN, IPN, ECP Chemical resistance (corrosion) KUL, TEKNIKER, ECP Nanoindentation TEKNIKER, ITC, AIN, IPN Microhardness ITC, AIN, TEKNIKER, TRIBOTECHNIC, FALEX Coating thickness UC, ITC, TEKNIKER, AIN Scratch resistance TEKNIKER, ITC, AIN, TRIBOTECHNIC, FALEX Porosity TEKNIKER, ITC Wear (Rotating) NPL, IPN, UC, TRIBOTECHNIC, TEKNIKER, AIN, ECP, ITC, FALEX Wear (Reciprocating) NPL, IPN, UC, TRIBOTECHNIC, TEKNIKER, KUL, AIN, ITC, FALEX Abrasion (Sand) TEKNIKER, IPN, FALEX Abrasion (Taber) TEKNIKER, ITC, FALEX Microtribology TEKNIKER, NPL, KUL, FALEX, TRIBOTECHNIC, ITC Selected by ITC as co-ordinator

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Objective Determination of sample porosity by means of an Optical Microscope Olympus BX60 joined at an image analysis program (Micro Image) Procedure Sample dimentions must be 10x10 mm Sample must be embedded and polished by means of a good polishing secuence, in order to avoid damage on the surface. Ceramic substrate Resin Opaque ceramic glass

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity ClothBrand Lubricant- Abrassive Size of abrassive Time Load/ Sample (N) MD-PianoStruersWaterGrane 1201 min20 MD-AllegroStruers DiaPro Allegro/Large 15-6 µm4 min20 MD-PlanStruersDiaPro Plan15-3 µm6 min25 MD-DurStruersDiaPro Dur15-1 µm3 min25 MD-MolStruersDiaPro Plan15-3 µm5 min25 MicroClothBuehler MetaDi Supreme polycristalline Diamond Suspensions 1 µm1 min25 Polishing secuence

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Obtained results after a test d50 d84 d16

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Test variables studied  Number of analyzed screens (10, 20, 30, 40 and 50)  Magnification (10x and 20x)  Technitian

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Influence of the analysed screen number Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Influence of the analysed screen number Nº screensd 16 (µm)d 50 (µm)d 84 (µm)  (%) Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Influence of the magnification (10x and 20x) Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Influence of the magnification (10x and 20x) Objetived 16 (µm)d 50 (µm)d 84 (µm)  (%) 10x x Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Influence of the technician Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Influence of the technitian Transparent glaze d 16 (µm)d 50 (µm)d 84 (µm)  (%) Technician Technician Technician Results:

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Porosity Conclusions  Influence of analysed screen number No less than 40 screens. If the sample is really porous, this number has to be increased  Influence of the magnification 10x or 20x depending on the thickness of the coating  Influence of the technitian Only if technitians are used to carrying out this kind of test, there are no such a difference between obtained results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Roughness Objective Comparison between contact and optical profilometry in order to calculate roughness parameters Determination of test variables to obtain roughness parameters from selected samples Study of the influence of filters

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests| Roughness Equipments Optical profilometer Contact profilometer Veeco NT1100 Hommelwerke T8000

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests| Roughness Roughness parameters R a : Arithmetic mean roughness value over the entire profile S a : Arithmetic mean roughness value over the entire measured array

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests| Roughness Contour map obtained by contact profilometry Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests| Roughness Contour map obtained by optical profilometry Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests | Roughness Comparison between R a and S a (cut-off 0.08) ParameterCompared filters Optical profilometry Contact profilometry RaRa Gaussian – ISO ± ± 0.03 Recursive 2RC – DIN ± ± 0.03 SaSa Fourier – ISO ± ± 0.05 Results

Tribostand Meeting 16/01/09 | © ITC-AICE ITC Tests| Roughness Conclusions  Roughness parameters between techniques can be compared if they are measured under the same conditions: filter, cut-off and measured area  Selected filters does not introduce any difference in the roughness parameters in the range of work studied (Ra < 4µm (cut-off 0.8mm))  It is convenient to use Gaussian filter (optical profilometry) and ISO4287 filter (contact perfilometry) in order to avoid phase distorsion in the measures

Thanks for your attention