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CERN/CEA Collaboration agreement No. KE2275/TE WP4 – Nb 3 Sn technology development Meeting 04/09/2015
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Content Mechanical characterization Dilatation tests – reduced scale Next steps Milestones 09/06/2015 FRESCA2 Expert meeting - Cable behavior duriong reaction 2
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Tests campaign on reacted bare ten stacks confirmed thickness increase factor of 4% taken into account for tool dimensions Mechanical characterization 09/06/2015 FRESCA2 Expert meeting - Cable behavior duriong reaction 3
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Mechanical characterization First insulated reacted ten stack (cable H11EC0146A - RUN 103A) sent at CERN beginning of April to be tested first with its insulation, then bare SPITN01 : reacted insulated PIT cable SPNTN05 : reacted bare cable to be used as the reference for PIT cable. 2 reacted stacks (cable H11EC0146A - RUN 103A) at Saclay waiting for impregnation SPITI01 and SPITI02 To be tested under full compression cycles at CERN 09/06/2015 FRESCA2 Expert meeting - Cable behavior duriong reaction 4
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Mechanical characterization A dummy impregnation has been done end of July to validate FRESCA2 samples insert and procedure Modification of a part of the insert is needed to improve demounting process Few parts modification and new Teflon coating to be done 09/06/2015 FRESCA2 Expert meeting - Cable behavior duriong reaction 5 Impregnation test on an insulated Roebel dummy cable made at the same time
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Mechanical characterization – Saclay tests Modification of the tooling for mechanical test at Saclay to be started this month Antoine Bonelli arrived on September 1st, temporary technician contract for 12-months. He will work on mechanical tests. 6 FRESCA2 Expert meeting - Cable behavior duriong reaction 09/06/2015
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Dilatation tests – reduced scale First tests with insulated cable Cable end fixed to the tooling Cable end Free Tooling modification New fixing system, to the mandrel 2 tests with the new tooling, PIT cable, ongoing 2 tests with the new tooling, RRP cable, foreseen for beginning of October (between CR3401 and CR1202) Report under work One Paper accepted for MT24 09/06/2015 FRESCA2 Expert meeting - Cable behavior duriong reaction 7
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Next steps Cable dilatation campaign to be completed Test procedure validation Complete test campaign on PIT and RRP FRESCA2 cables Bare cable, new tools compare with previous tests on bare cable Heat treatment steps More than one turn Longer SS Tests campaign (2-3 tests each) on QXF and 11T cables Mechanical characterization Impregnation of first two PIT ten stacks (this month) for tests at CERN Preparation and test of 2 more impregnated PIT samples for tests at Saclay Preparation of 4 impregnated RRP samples for test at CERN and at Saclay Mechanical tests at Saclay 8 FRESCA2 Expert meeting - Cable behavior duriong reaction 09/06/2015
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Milestones N°Description Kick off meeting Today 4.1Mechanical test facilities designSeptember 2014Sept/Oct 2015 4.2Mechanical test facilities readyDecember 2014December 2015 4.3Dilatation tests report – preliminaryJuly 2014September 2015 4.4Dilatation tests report - finalDecember 2014December 2015 4.5Report on Mechanical tests at SaclayDecember 2015T1 2016 09/06/2015 FRESCA2 Expert meeting - Cable behavior duriong reaction 9
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