02_2010春季低温工学・超電導学会.indd

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1D-a01 Nb 3 Sn Nb 3 Sn Nb 3 Sn [1-3]CuNb Nb 3 Sn 1.0 CuNb Nb 3 Sn CuNb 0.8% PB as-react AR 50 J-PARC MLF 45 Fig. 1 J-PARC d 0 Nb 3 Sn Fig. 1 Photo of a sample with a loading machine. Fig. 2 Nb 3 Sn (321) AxialAR PB Lateral ARPB as-react (211)(320) Nb 3 Sn AR PB J c Cu 1.

1 1D-a01 Nb 3 Sn Nb 3 Sn Nb 3 Sn [1-3]CuNb Nb 3 Sn 1.0 CuNb Nb 3 Sn CuNb 0.8% PB as-react AR 50 J-PARC MLF 45 Fig. 1 J-PARC d 0 Nb 3 Sn Fig. 1 Photo of a sample with a loading machine. Fig. 2 Nb 3 Sn (321) AxialAR PB Lateral ARPB as-react (211)(320) Nb 3 Sn AR PB J c Cu 1. S. Awaji, et al.: IEEE Trans. Appl. Supercond., Vol. 16 (2006) p H. Oguro, et al.: J. Appl. Phys., Vol. 101 (2007) S. Awaji, et al.: Abstracts of CSJ Conference, Vol. 81 (2009) p. 146 Applied stress (MPa) AR Axial AR Lateral PB Axial PB Lateral Strain (%) Fig. 2 Applied tensile stress-strain relation on (321) plane of Nb 3 Sn for CuNb/Nb 3 Sn wires bundle obtained by neutron diffraction measurements at room temperature. 53

2 1D-a02 54

3 1D-a03 Critical currents of aluminum-alloy jacketed Nb 3 Sn superconductor fabricated by react-and-jacket process Fig.1 Aluminum-alloy jacketed Nb 3 Sn superconductor Table 1 Specifications of the conductor Conductor dimension () Cable space () Cable dimension () Strand diameter () 1.0 Number of strands 18 Filled material in cable space Indium Jacket material A6061-T6 Welding method of jacket FSW Critical current 5 12 T 10 8 T Fig.2 Measured critical currents [1] D. Ciazynski: Fusion Eng. Des. 82 (2007) [2] K. Takahata et al.: Abstracts of CSJ Conf. 74 (2006) 41 55

4 1D-a04 Sn 15.8wt% Sn 15.8wt% Sn CuSnTi 18.5wt% Sn 60% CuSnTi CuSnTi Sn Sn 18.5wt%Ti wt% h CuSnTi 300ton ( % ) Fig. 1 (a) 100 CuSnTi (b) 3.99 (c)(d)cusnti 10 Fig Cu18.5Sn2.5Ti 50% 90% (a) non (b) m 50 m m (c) (d) Cu18.5Sn2.5Ti 50 m

1D-a05 K.Tachikawa, T.Ando, N.Kaneda, T.Shibayama (Faculty of Engr.

ac.jp Table1 Role of Ta, B, Nb, Ti and Cu in Sn-based alloys Fig.

8/1(Sn/Nb)-4at%Ti+3wt%Cu sheet wire heat treated at 750 for 100h.

5 1D-a05 K.Tachikawa, T.Ando, N.Kaneda, T.Shibayama (Faculty of Engr., Tokai Univ.); T.Takeuchi(NIMS) Table1 Role of Ta, B, Nb, Ti and Cu in Sn-based alloys Fig.1 SEM structures on the cross section of Nb 3 Sn layer in the 8/1(Sn/Nb)-4at%Ti+3wt%Cu sheet wire heat treated at 750 for 100h. Fig.2 B c2 transitions of JR processed wires with different sheet composition. 57

D-a06 1 2 3 G U TS Voltage (V) 0.8 0.6 0.4 0.2 0.

6 D-a G U TS Voltage (V) as-quenched phase 88A 93A 94A 95A 96A 97A 98A 99A 100A 101A 102A A15 bcc Biphasic 2nd rapid-heating and quenching I=30 ma Temperature (K) ü 58

7 D-a07 59

8 D-a

9 D-a09 I h 2 lim I h S Pe T T lim Cu c S Cu PeT c T b b Ta matrix Input energy (J) Nb3Al filament Stability margin e h (MJ/m 3 ) Integral of square of IH current I 2 dt h (A2 s) Cu plating Conductor+IH Conduit+IH Cable+IH IH Recovery Quench Nb3Al strand (3x3x3=27) Samples Stability margin Limiting current (Ilim) Transport current I t (A) 61

D-a10 LHC NbTi Nb 3 Al Nb 3 Sn Nb 3 Al 2 Nb 3 Sn Nb 3 Al 2 Nb 3 Al 2 Nb 3 Sn 1 Nb 3 Al 13 T K1 K2 Fig. 1 K1 20m 28 Fig. 2 K3 K4 K5 Fig. 2. Cross-section of 28 strand K1 cable with a packing factor of 86.

10 D-a10 LHC NbTi Nb 3 Al Nb 3 Sn Nb 3 Al 2 Nb 3 Sn Nb 3 Al 2 Nb 3 Al 2 Nb 3 Sn 1 Nb 3 Al 13 T K1 K2 Fig. 1 K1 20m 28 Fig. 2 K3 K4 K5 Fig. 2. Cross-section of 28 strand K1 cable with a packing factor of 86.7 %, of width, 1.84 of thickness and 14.9 deg. of lay angle. 3 Nb 3 Al Nb 3 Al 400ton 1.0 Nb 3 Al 6 K1K6 Nb 3 Al 3 (1) (2) (3) Fig. 1. Cross-section of (a) K1 and (b) K2 strands. 62

11 1D-p01 63

12 1D-p02 64

13 1D-p03 FIGURE 1. Schematic layout of the MUSIC solenoid magnets. Superconducting coils are indicated in red. Yellow line indicates proton beam injected onto the graphite target. Red trajectory indicates pions. Blue indicates muons from pion decay. Iron yoke and stainless steel radiation shielding are shown in brown and gray, respectively. 65

14 1D-p04 KEKB アップグレード用超伝導電磁石 Superconducting magnets for the upgrade of KEKB 1. はじめに 2. ビーム衝突点超伝導電磁石システム 3. 超伝導 4 極磁石 (QC1RP/LP) 断面設計 4. まとめ 66

1D-p05 加速器 (1) ILC䎬䎯䎦開発用 S １ Global クライオモジュールの建設㐿䎶䯽䯹䎪䏏䏒䏅䏄䏏䭶䮰䭫䭱䮩䭿䮬䯃䮲䬽ᑪ 䎃 Construction of S1-Global cryomodule for ILC %QPUVTWEVKQP QH 5 )NQDCN ET[QOQFWNG HQT +.

15 1D-p05 加速器 (1) ILC䎬䎯䎦開発用 S １ Global クライオモジュールの建設㐿䎶䯽䯹䎪䏏䏒䏅䏄䏏䭶䮰䭫䭱䮩䭿䮬䯃䮲䬽ᑪ 䎃 Construction of S1-Global cryomodule for ILC %QPUVTWEVKQP QH 5 )NQDCN ET[QOQFWNG HQT +.%㩷㩷大内徳人加古永治近藤良也土屋清澄寺島昭男仲井浩孝野口修一早野仁司東憲男久松広美山本康史 ᄢ ᓼ 䋬ടฎ ᴦ䇮ㄭ䋬 ደ Ẵ䋬ኹፉᤘ 䋬ખ ᶈቁ䋬㊁ญ 䇮ᣧ㊁ੳม䋬 ᙗ 䋬ਭ ᐢ 䋬ጊᧄᐽผ䇮㩷山本明渡辺謙䋨㜞䉣䊈䊦䉩䊷ടㅦ ᯏ 䋩㩷高エネルギー加速器研究機構 ጊᧄ 䇮ㄝ㩷 OHUCHI Norihito KAKO Eiji, KONDO Yoshinari TSUCHIYA Kiyosumi, TERASHIMA Akio NAKAI Hirotaka 㪦㪟㪬㪚㪟㪠㩷㪥㫆㫉㫀㪿㫀㫋㫆䋬㪢㪘㪢㪦㩷㪜㫀㫁㫀㪃㩷㪢㪦㪥㪛㪦㩷㪰㫆㫊㪿㫀㫅㪸㫉㫀䋬㪫㪪㪬㪚㪟㪠㪰㪘㩷㪢㫀㫐㫆㫊㫌㫄㫀㪃㩷㪫㪜㪩㪘㪪㪟㪠㪤㪘㩷㪘㫂㫀㫆䋬㪥㪘㪢㪘㪠㩷㪟㫀㫉㫆㫋㪸㫂㪸䋬㩷 NOGUCHI Shuichi, HAYANO Hitoshi HIGASHI Norio HISAMATSU Hiromi YAMAMOTO Yasuchika, 㪥㪦㪞㪬㪚㪟㪠㩷㪪㪿㫌㫀㪺㪿㫀㪃㩷㪟㪘㪰㪘㪥㪦㩷㪟㫀㫋㫆㫊㪿㫀䋬㪟㪠㪞㪘㪪㪟㪠㩷㪥㫆㫉㫀㫆䋬㪟㪠㪪㪘㪤㪘㪫㪪㪬㩷㪟㫀㫉㫆㫄㫀䋬㪰㪘㪤㪘㪤㪦㪫㪦㩷㪰㪸㫊㫌㪺㪿㫀㫂㪸㪃㩷㩷 YAMAMOTO Akira WATANABE Ken (KEK) 㪰㪘㪤㪘㪤㪦㪫㪦㩷㪘㫂㫀㫉㪸䇮㪮㪘㪫㪘㪥㪘㪙㪜㩷㪢㪼㫅㩷㩿㪢㪜㪢㪀㩷 ohuchi@post.kek.jp 㪜㪄㫄㪸㫀㫃㪑㩷㫆㪿㫌㪺㪿㫀㪗㫇㫆㫊㫋㪅㫂㪼㫂㪅㫁㫇㩷㩷 1 はじめに㧚ߪߓ ߦ -'- ߩ บߩ વዉ ᵢߪ ࡕ ࡘ # ߦ ߺ 㜞 ࡀ ടㅦ ᯏ -'- ߢߪ ޔ 㓙 ᒻⴣ⓭ ㄟ ࠇࠆ ߩߎޕ บߩ O 㐳ߩ ࡕ ࡘ ߩ ടㅦ 㧔+.%㧕 ࡕ ࡘ ߩ 㐿 ߣߒߡ ߪ '&ޔ 5; 66( +++ ࡕ ࡘ ߩ ࠍၮᧄߣߒ (0#. ᚲ '& ޔ 5; ᚲ߆ࠄฦ ޘ บߩ વ ߡ ࠆ ࡘ ࡕ ߦ ޕ # ߣ % ߩਥⷐࡄ ࡔ ዉ ᵢ㧔 ߣߒߡ บ㧕ࠍ ࠕ +0(0 ᚲߢ ࠍ ߒߡ ࠆ ޕ ߒߚ ߦ ߺㄟߺ ޔ -'- ߇㐿 ߒߚ 7DEOH 6 *OREDO &U\RPRGXOH 3DUDPHWHUV Table 1: S1-Global Cryomodule Parameters ࡕ ࡘ ߣធ ߒ ළ 㛎ࠍⴕ߁ࡊ ࠚ 0RGXOH $ 0 RGXOH & Module-A Module-C 㧔5 )NQDCN㧕߇ㅴࠎߢ ࠆ ޕ +0(0 ߩ ߩ 9DFXXP YHVVHO OHQJWK PP PP Vacuum vessel length ߪᤓᐕ ߆ࠄ ߦⴕࠊࠇ ޔ ᣣߦ 9DFXXP YHVVHO 2 ' Vacuum vessel O.D. Ǿ PP Ǿ PP ȭ965.2 ȭ965.2 ㇱ ߪ -'- ߦ ߒߚ ޕ (ޔ 0#. '&ޔ 5; ߩ વዉ ᵢ ߦ -'- ߦ ャߐࠇ ޔ ᐕ ߆ࠄ -'- ߢ *DV UHWXUQ SLSH OHQJWK PP PP Gas return pipe length 㩂㩡㨼㨿㩝㩆㩨㨷㨺㩣ߣߒߡቢᚑߐߖࠆ ߇ᆎ ߞߡ ࠆ ޕ *DV UHWXUQ SLSH 2 ' Gas return pipe O.D. Ǿ PP Ǿ PP ȭ318.5 ȭ312.0 ߩቇળߢߪ ޔ 5 )NQDCN ࡘ ࡕ ޔ. /+H VXSSO\ SLSH 2 ' 2K LHe supply pipe O.D. Ǿ PP Ǿ PP ȭ76.3 ȭ76.1 ᑪ ߩ ᴫߦߟ ߡႎ๔ߔࠆ ޕ &DYLW\ SDFNDJH Cavity package 2 S1-Global 計画㧚5 )NQDCN +.% ߢ ߪ ޔ ㆇォ ട ㅦ ൨ ㈩ࠍ /8 O ߣ ߒ ߡ /CKP.KPCE /. ߩ ࠍㅴ ߡ ࠆ ߩߎޕ /. ߪ บߩ વዉ ᵢࠍᜬߟ ࡕ ࡘ ߣ บߩ ᵢߣ વዉ 㔚 บࠍᜬߟ ࡊߩ 㘃ߩ ࡕ ࡘ บ߆ࠄ ᚑߐࠇࠆ ࡘ ࡕ ߩߎޕ 㐿 ߩ 㧝㓏ߣߒߡ ޔ (0#. '& ޔ 5; ޔ ᣣ ᧄ -'- ߢ ߒߚ વዉ ᵢ บࠍ บߩ O ߦ ㄟߺ ޔ /8 O ߩᐔဋടㅦ൨㈩ߢㆇォߔࠆߎ ߣࠍ ᜰߒߚ ߇ 5 )NQDCN ߢ ࠆ ޕ ޔ 㓙 දജߣߒߡ (0#. ߣ &'5; ߢ ߐࠇߚ વ ዉ ᵢࠍ ㄟ ߪ ࠕ +0(0 ߇ ࠍᜂᒰߒ (ޔ 0#. ᵢ 㜞 ᵄ㔚ജ ജㇱߪ 5.#% ᚲ߇ᜂᒰߒߡ ࠆ ޕ -'- ߩ વዉ ᵢߪ ޔ ᣣᧄߢ ߐࠇߚ ߦ ߺㄟ ࠇࠆ ޕ 3 S1-G ࡕ ࡘ クライオモジュール 5 ) 㧝ߦ ߔࠃ߁ߦ ޔ 5 )NQDCN ࡕ ࡘ ߪ บߩ O 㐳ߩ ࡕ ࡘ # ߣ % ߆ࠄ ᚑߐࠇߡ ࠆ ޕ 5 ) ࡕ ࡘ 㐳ߪ O ߢ ࠆ (ޕ 0#. ߣ &'5; ߩ บߩ વዉ ᵢߪ ࡕ ࡘ % ߦ ޔ.(. D.(. E KEK-a/KEK-b )1$/ '(6< FNAL/DESY Cavity &DY LW\ W\SH type 7(6/$ OLNH TESLA-like 7(6/$ W\SH TESLA-type Tuner 7 XQHU W\SH type 6OLGH MDFN Slide jack %ODGH 6DFOD\ Blade/Saclay / Package 3DFNDJH OHQJWK length 4 S1-G ࡕ ࡘ ߩᑪ 㛎 ࠤ ࡘ クライオモジュールの建設及び試験スケジュール㧚5 ) (0#. &'5; ߩ บߩ વዉ ᵢធ ߪ ޔ ᐕ ߆ ࠄ (0#. &'5; ߩ ߣ -'- ߇දജߒߡ ߩ ࡓߢⴕࠊࠇߚ ޕ વዉ ᵢធ ቢ ᓟ ޔ ࠃࠅૐ ᯏ ߩ ߺㄟߺ ޔ ኈ ߩᝌ ߇ ߒ ᧃߦ O 㐳ߩ ࡕ ࡘ % ߣߒߡቢᚑߒߚ ޕ -'- ߩ บߩ વዉ ᵢធ ߪ ߦⴕࠊࠇ ޔ ࡕ ࡘ # ߩ ߡ ߇ㅴⴕߒߡ ࠆ ޕ 5 ) ࡕ ࡘ ߣߒߡߩᑪ -'- 56( ࡀ ߩ ߪ ߦቢ ቯߢ ࠆ ޕ ቶ ߆ࠄߩ ළߪ ߆ࠄᆎ ࠄࠇ ޔ ᐕ ߢ - ߢߩૐ 㛎ࠍⴕ߁ ቯߢ ࠆ ޕ 参考文献 ᢥ₂ 1 2KXFKL HW DO 3URFHHGLQJV RI 3$& 9DQFRXYHU %& & DQDGD :( 5)3 )LJ 6 *OREDO FU\RPRGXOH D )1$/ FDYLW\ E '(6< FDYLW\ F.(. FDYLW\ D G.(. FDYLW\ E 67 第82回 2010年度春季低温工学超電導学会

1D-p06 TOMIYAMA Hideki, YAMADA Hironobu, SAITO Atsushi, NAKAQJIMA Kensuke, OHSHIMA Shigetosi (Yamagata Univ.) WATANABE Kenta,(Yokohama City Univ.) TAKAHASHI Masato, MAEDA Hideaki (Riken.

16 1D-p06 TOMIYAMA Hideki, YAMADA Hironobu, SAITO Atsushi, NAKAQJIMA Kensuke, OHSHIMA Shigetosi (Yamagata Univ.) WATANABE Kenta,(Yokohama City Univ.) TAKAHASHI Masato, MAEDA Hideaki (Riken.) z 1 y 0 x Fig.1. Saddle-type NMR pickup coil. HxRe [A/m] Before optimization After optimization Y [] Fig,2. Magnetic field strength distribution of picking up coil y axially in Fig.1 ohshima@yz.yamagata-u.ac.jp Fig.3. Photo of a saddle-type pickup coil Fig.4. Equivalent circuit of a matching circuit and a pickup coil. ] B [d Simulation S 11 Experiment e d itu a g n M Frequency [MHz] Fig.5. Resonance property of a saddle-type coil. Magnitude S 11 [db] 68

17 1D-p

1D-p08 1030K 5K AlN Fig.1 14K30.2A 117s[1] [1] 3 0.

18 1D-p K 5K AlN Fig.1 14K30.2A 117s[1] [1] 3 0.3Cu model 1 model 2Cumodel 3Cumodel 4 model 31Cu 4 Fig.1model 1 38K Fig.2model 2Cu1 15.9K model 3model 4 [1] TaMgB2 151 Fig.1 Temperature distribution of model 1 Fig.2 Temperature distribution of model 2 70

19 1D-p09 YOSHIDOME Yusuke, MATSUSHIMA Kensuke, HAEYAMA Youhei, KAWAGOE Akifumi, KAWABATA Shuma, SUMIYOSHI Fumio (Kagoshima University); YANAGI Nagato, MITO Toshiyuki (NIFS); KIUCHI Masaru, OTABE Edmund Soji, MATSUSHITA Teruo, (Kyushu Institute of Technology); TAKAHASHI Masaya, WAKUDA Tsuyoshi (HITACHI); MgB 2 2 MgB 2 in-situ [1, 2] MgB 2 MgB 2 MgB 2 Table1 MgB 2 /Nb/Cu Table2 0.1V/cm 140m 1.4mV) 060A 120Hz130A r.m.s. MgB 2 C C 360A 340A 1V/cm C 180A C 2 MgB 2 Fig.1 1~4A r.m.s. 10A r.m.s. 1Hz 1 2 MgB 2 2 C 360A 2 LHD (NIFS07KOBA019) [1] Y. Wakabayashi, et al.: Abstracts of CSJ Conference, Vol. 80 (2009) p.197. [2] A. Kawagoe, et al.: Abstracts of CSJ Conference, Vol. 80 (2009) p.198. Table1 Parameters of MgB 2 samples Sample tape Parallel conductor dimention[] Filament dimenton[] Filament Aspect ratio Table2 Parameters of MgB 2 coil internal diameter[] 64.6 inductance[mh] 16.8 external diameter[] conductor length[m] 70 axial length[] 23.0 layer number 15 distance between the coil[] 10.0 number of the total turns 270 Fig. 1 Measured ac losses in MgB 2 coil wound with a parallel conductor composed of tapes with insulation. 71

Microsoft Word - 地震工学論文v5.doc

Microsoft Word - 地震工学論文v5.doc 1 1 400-8511 4-3-11 E-mail:takeyasu@yamanashi.ac.jp AHP Key Words : disaster management system, usability, improvement, evaluation test, disaster response analytic hierarchy process 1) 2) 3) 4) 5) AHP