collaboration of te-vsc-scc with straw-material working group na62
DESCRIPTION
Collaboration of TE-VSC-SCC with straw-material working group NA62. Coating adherence tests Permeation results Surface analysis results. Wil Vollenberg and Delphine Letant-Delrieux TE-VSC-SCC. NA62 straw working group meeting ; 18-10-2010 . W.V. & D.L.D. - PowerPoint PPT PresentationTRANSCRIPT
Collaboration of TE-VSC-SCC with straw-material working
group NA62
Wil Vollenberg and Delphine Letant-Delrieux
TE-VSC-SCCNA62 straw working group meeting; 18-10-2010
W.V. & D.L.D.
- Coating adherence tests - Permeation results- Surface analysis results
NA62 straw working group meeting; W.V. & D.L.D.
SAMPLES FROM: Pilot coating run by FEP:- Melinex 406; Cu50/AU20: CO2010-07-07A-01- Melinex 406; Cu100/AU20: CO2010-07-07A-02- Hostaphan RNK 2600; Cu50/AU20: CO2010-07-08A-
01- Hostaphan RNK 2600; Cu100/AU20: CO2010-07-
08A-02
Coating adherence test at FEP by cross cut test:
Cross cut: 11*11 cutsCalibrated scotch on itPullPercentage of squares that peels off.
NA62 straw working group meeting; W.V. & D.L.D.
Adherence tests at CERN:cross test and scotch test
HostaphanRNK 2600
50 Cu + 20 Au 100 Cu + 20 Au
NA62 straw working group meeting; W.V. & D.L.D.
Adherence tests at CERN:cross test and scotch test
MELINEX 406
50 Cu + 20 Au 100 Cu + 20 Au
NA62 straw working group meeting; W.V. & D.L.D.
Items not yet understood:Adherence problems at PEF for Melinex 50 + 20, at CERN Melinex 100 + 20.
50 Cu + 20 Au 100 Cu + 20 Au
AT CERN: Aging of samples:Melinex 100 + 20: better adherence after aging ??
Tests of aging in controlled conditions:
NA62 straw working group meeting; W.V. & D.L.D.
Adherence tests at CERN:scotch test
Hostaphan RNK 2600 50 Cu + 20 Au Melinex 406 50 Cu + 20
Au
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.
Permeation results
NA62 straw working group meeting; W.V. & D.L.D.
He Ar CO200
01
02
03
04
05
06
07
Hostaphan RNK 2600 naked CA1509465
P x1
0-12
[To
rr.l.
cm/s
.cm
2.To
rr]
BIFHe=35BIFAr=(?) BIFCO2=35
Surface analysis results (XPS)
NA62 straw working group meeting; W.V. & D.L.D.
Uncoated samples coming from rolls coated by Fraunhofer (CA1509465)
Future activities• Permeation (Ar and CO2)
determination of:Hostaphan RNK 2600 Cu100/Au20
(ongoing)Hostaphan RNK 2600 with welding
NA62 straw working group meeting; W.V. & D.L.D.