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NA62 SILICON PIXELS DETECTOR

NA62 SILICON PIXELS DETECTOR. COOLING VESSEL PROTOTYPE STATUS REPORT. MATERIALS. MATERIALS. MAKING THE PARTS. THE ALL PARTS MADE BY FERRARA WORKSHOP. TESTS @ ROOM TEMPERATURE. THE FOLLOWING TESTS HAVE BEEN DONE : KAPTON CREEP KAPTON FAILURE PRESSURE

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NA62 SILICON PIXELS DETECTOR

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  1. NA62 SILICON PIXELS DETECTOR COOLING VESSEL PROTOTYPE STATUS REPORT Vittore Carassiti - INFN FE

  2. MATERIALS Vittore Carassiti - INFN FE

  3. MATERIALS Vittore Carassiti - INFN FE

  4. MAKING THE PARTS THE ALL PARTS MADE BY FERRARA WORKSHOP Vittore Carassiti - INFN FE

  5. TESTS @ ROOM TEMPERATURE • THE FOLLOWING TESTS HAVE BEEN DONE : • KAPTON CREEP • KAPTON FAILURE PRESSURE • QUALITY OF THE JOINT KAPTON-RESIN-ALUMINUM Vittore Carassiti - INFN FE

  6. BONDING ALUMINUM FRAME & KAPTON FOIL • PREPARATION OF THE JOINTS : • ALUMINUM JOINT ABRADED AND DEGREASED • KAPTON JOINT LIGHTLY ABRADED AND DEGREASED CURING TIME : 16 h @ 40°C Vittore Carassiti - INFN FE

  7. BONDING ALUMINUM FRAME & KAPTON FOIL Vittore Carassiti - INFN FE

  8. KAPTON CREEP TEST WorkingpressureWp = 1 bar Test pressureTp = 2Wp = 2 bar AFTER TWO WEEKS @ Tp NO EVIDENCE OF CREEP SMALL RESIDUAL DEFORMATION AFTER VENTING Vittore Carassiti - INFN FE

  9. KAPTON FAILURE PRESSURE STRESS ON THE VESSEL BOUNDARY CONDITIONS Pi = 0,1 Mpa (innerpressure) Pe = 0 (outherpressure) s = 5E-05 m (wallthickness) Di = 47E-03 m (innerdiameter) FAILURE PRESSURE CALCULATION EQUIVALENT TENSILE STRESS (Guestcriterion) Vittore Carassiti - INFN FE

  10. KAPTON FAILURE PRESSURE TEST FAILURE PRESSURE = 5 bar ACCORDING TO CALCULATION Vittore Carassiti - INFN FE

  11. JOINT KAPTON-RESIN-ALUMINUM LENGTH OF THE OVERLAP CALCULATION Vittore Carassiti - INFN FE

  12. JOINT KAPTON-RESIN-ALUMINUM THE JOINT AFTER KAPTON FAILURE Vittore Carassiti - INFN FE

  13. COOLING VESSEL THE COOLING VESSEL @ 1,5 bar Vittore Carassiti - INFN FE

  14. THE POWER OF THE DETECTOR 3 THERMOCOUPLES K TYPE (from -50°C to +250°C) 16 RESISTORS 222 Ω – 2W Vittore Carassiti - INFN FE

  15. THE ASSEMBLY Vittore Carassiti - INFN FE

  16. NEXT STEP : CECKING THE COOLING IN VACUUM COOLING VESSEL NITROGEN IN-OUT ELECTRICAL CONNECTIONS & POWER SUPPLY DN 160 CF FLANGE Vittore Carassiti - INFN FE

  17. ACKNOLEDGEMENTS SPECIAL THANKS TO : • COTTA ANGELO (electronic service) • EVANGELISTI FEDERICO (mechanical service) • LANDI LUCA (mechanical service) • PADOAN CLAUDIO (electronic service) • STATERA MARCO (mechanical service) Vittore Carassiti - INFN FE

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