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Collaboration of TE-VSC-SCC with straw-material working group NA62 Wil Vollenberg and Delphine Letant-Delrieux TE-VSC-SCC NA62 straw working group meeting;

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Presentation on theme: "Collaboration of TE-VSC-SCC with straw-material working group NA62 Wil Vollenberg and Delphine Letant-Delrieux TE-VSC-SCC NA62 straw working group meeting;"— Presentation transcript:

1 Collaboration of TE-VSC-SCC with straw-material working group NA62 Wil Vollenberg and Delphine Letant-Delrieux TE-VSC-SCC NA62 straw working group meeting; W.V. & D.L.D. - Coating adherence tests - Permeation results - Surface analysis results

2 NA62 straw working group meeting;W.V. & D.L.D. SAMPLES FROM: Pilot coating run by FEP: - Melinex 406; Cu50/AU20: CO A-01 - Melinex 406; Cu100/AU20: CO A-02 -Hostaphan RNK 2600; Cu50/AU20: CO A-01 -Hostaphan RNK 2600; Cu100/AU20: CO A-02 Coating adherence test at FEP by cross cut test: Cross cut: 11*11 cuts Calibrated scotch on it Pull Percentage of squares that peels off.

3 NA62 straw working group meeting;W.V. & D.L.D. Adherence tests at CERN: cross test and scotch test Hostaphan RNK Cu + 20 Au 100 Cu + 20 Au

4 NA62 straw working group meeting;W.V. & D.L.D. Adherence tests at CERN: cross test and scotch test MELINEX Cu + 20 Au 100 Cu + 20 Au

5 NA62 straw working group meeting;W.V. & D.L.D. Items not yet understood: Adherence problems at PEF for Melinex , at CERN Melinex Cu + 20 Au 100 Cu + 20 Au AT CERN: Aging of samples: Melinex : better adherence after aging ?? Tests of aging in controlled conditions:

6 NA62 straw working group meeting;W.V. & D.L.D. Adherence tests at CERN: scotch test Hostaphan RNK Cu + 20 Au Melinex Cu + 20 Au

7 NA62 straw working group meeting;W.V. & D.L.D. Items not yet understood: Good adherence for Coatings on Hostaphan RNK 2600, independent of thickness / aging conditions Some unexpected results for adherence of coatings on Melinex 406.

8 Permeation results NA62 straw working group meeting;W.V. & D.L.D.

9 Surface analysis results (XPS) NA62 straw working group meeting;W.V. & D.L.D. Uncoated samples coming from rolls coated by Fraunhofer (CA )

10 Future activities Permeation (Ar and CO 2 ) determination of: Hostaphan RNK 2600 Cu100/Au20 (ongoing) Hostaphan RNK 2600 with welding NA62 straw working group meeting;W.V. & D.L.D.


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