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CERN Document Server Намерени са 2,029 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.33 секунди. 
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Electrical Resistance of the Solder Connections for the Consolidation of the LHC Main Interconnection Splices / Lutum, R (CERN) ; Heck, S (CERN) ; Scheuerlein, C (CERN)
For the consolidation of the LHC 13 kA main interconnection splices, shunts will be soldered onto each of the 10170 splices. The solder alloy selected for this purpose is Sn60Pb40. [...]
CERN-ATS-2013-027.- Geneva : CERN, 2013 - Published in : IEEE Trans. Appl. Supercond. 23 (2013) 3800404 Fulltext: PDF;
In : Applied Superconductivity Conference 2012: The Next Century of Superconductivity, Portland, OR, USA, 7 - 12 Oct 2012
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Electrical resistance of the solder connections for the consolidation of the LHC main interconnection splices / Lutum, Robin
For the consolidation of the LHC main interconnection splices it is planned to solder shunts onto each of the 10,170 splices [...]
CERN-THESIS-2011-443 - 44 p.

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Production and Quality Assurance of Main Busbar Interconnection Splices during the LHC 2008-2009 Shutdown. / Bertinelli, F (CERN) ; Bottura, L (CERN) ; Dalin, J-M (CERN) ; Fessia, P (CERN) ; Flora, R H (Fermilab) ; Heck, S (CERN) ; Pfeffer, H (Fermilab) ; Prin, H (CERN) ; Scheuerlein, C (CERN) ; Thonet, P (CERN) et al.
The main busbar interconnection splices of the Large Hadron Collider are assembled by inductive soldering of the Rutherford type cables and the copper profiles of the stabilizer. Following the September 2008 incident, the assembly process and the quality assurance have been improved, with new measurement and diagnostics methods introduced. [...]
CERN-ATS-2011-069.- Geneva : CERN, 2011 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 21 (2011) 1786-1790 Fulltext: PDF; IEEE Published version, local copy: PDF;
In : Applied Superconductivity Conference 2010, Washington, DC, USA, 1 - 6 Aug 2010
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The Electrical Resistance of Rutherford-Type Superconducting Cable Splices / Heck, C (CERN) ; Scheuerlein, Chr (CERN) ; Fleiter, J (CERN) ; Bottura, L (CERN)
The electrical resistance of Large Hadron Collider main busbar cable lap splices produced by soft soldering has been measured with two independent methods as a function of intercable contact area and for splices made of cables with various defects. For defect-free lap splices, the resistance increases from 0.3 to 10 nΩ (at 4.3 K in self-field) when reducing the cable overlap length from 120 to 3 mm, as expected assuming that the resistance is inversely proportional to the intercable contact area. [...]
CERN-ACC-2015-0003.- Geneva : CERN, 2015 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4800404 Fulltext: PDF;
In : Applied Superconductivity Conference 2014, Charlotte, NC, USA, 10 - 15 Aug 2014, pp.4800404
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Electrical Resistance of Nb$_{3}$Sn/Cu Splices Produced by Electromagnetic Pulse Technology and Soft Soldering / Schoerling, D (CERN) ; Heck, S (CERN) ; Scheuerlein, C (CERN) ; Atieh, S (CERN) ; Schaefer, R (PSTproducts GmbH)
The electrical interconnection of Nb$_{3}$Sn/Cu strands is a key issue for the construction of Nb$_{3}$Sn based damping ring wigglers and insertion devices for third generation light sources. We compare the electrical resistance of Nb$_{3}$Sn/Cu splices manufactured by solid state welding using Electromagnetic Pulse Technology (EMPT) with that of splices produced by soft soldering with two different solders. [...]
CERN-ATS-2011-230.- Geneva : CERN, 2011 - 17 p. - Published in : Superconductor Sci. Technol. 25 (2012) 025006 Fulltext: PDF;
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Nondestructive Testing and Quality Control of the LHC Main Interconnection Splices / Heck, S (CERN) ; Solfaroli, M (CERN) ; Andreassen, O (CERN) ; Thonet, P (CERN) ; Scheuerlein, C (CERN) ; Ballarino, A (CERN) ; Bertinelli, F (CERN) ; Bottura, L (CERN) ; Fessia, P (CERN) ; Tock, J (CERN)
The Large Hadron Collider (LHC) main interconnection splices consist of Rutherford-type cable splice and busbar stabilizer splices. Busbar stabilizer splices have been consolidated during the first long LHC shutdown by soldering additional Cu shunts. [...]
2015 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4000108
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Methods to detect faulty splices in the superconducting magnet system of the LHC / Bailey, R (CERN) ; Bellesia, B (CERN) ; Catalan Lasheras, N (CERN) ; Dahlerup-Petersen, K (CERN) ; Denz, R (CERN) ; Robles, C (CERN) ; Koratzinos, M (CERN) ; Pojer, M (CERN) ; Ponce, L (CERN) ; Saban, R (CERN) et al.
The incident of 19 September 2008 at the LHC was caused by a faulty inter-magnet splice of about 200 nΩ resistance. Cryogenic and electrical techniques have been developed to detect other abnormal splices, either between or inside the magnets. [...]
CERN-ATS-2009-009.- Geneva : CERN, 2010 - 4 p. Fulltext: PDF; Published version from PAC09: PDF;
In : Particle Accelerator Conference 2009, Vancouver, Canada, 04 - 08 May 2009, pp.MO6PFP049
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Quality Assurance of the 13-kA Superconducting Magnet Circuits Consolidation of the LHC at CERN / Principe, R (CERN) ; Gaasch, J B (CERN) ; Housiaux, O (CERN) ; Menu, S (CERN) ; Munawar, M (Islamabad, Pakistan AEC) ; Popescu, S (CERN) ; Savary, F (CERN)
The Large Hadron Collider (LHC) is designed to operate at a nominal energy of 14 TeV in the center of mass. Following the incident that occurred in 2008, LHC operated at intermediate energies ranging from 7 to 8 TeV to avoid any further risk of failure. [...]
2016 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4804205
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4804205
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 LHC consolidations 2013-14
Reference: Poster-2013-278
Keywords:  Consolidation  Interconnections  Splices  Shunts  Electrical Quality Assurance tests  Pressure relief devices  Orbital welding
Created: 2013. -1 p
Creator(s): Marcastel, F CERN Graphic Design

The main 2013-2014 LHC consolidation

 		© CERN Geneva

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Non-Destructive Testing of Bus-Bar Joints Powering LHC Superconducting Magnets, by Using Gamma Sources / Skoczen, B ; Kulka, J
The main LHC superconducting magnets (dipoles and quadrupoles) use Rutherford type cables, stabilized electrically and thermally with copper profiles. The portions of cables are connected to each other by a soft soldering technique (Sn96Ag4) with an overlapping length corresponding to one pitch of the superconducting strands. [...]
LHC-Project-Report-723; CERN-LHC-Project-Report-723.- Geneva : CERN, 2004 - 4 p. Access to fulltext document: PDF; External link: Published version from JACoW
In : 9th European Particle Accelerator Conference, Lucerne, Switzerland, 5 - 9 Jul 2004, pp.1642 - Please contact the library if you need to access this document.
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