JP6222877B2 - 摩擦撹拌接合装置 - Google Patents
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- 238000003756 stirring Methods 0.000 title claims description 38
- 238000003466 welding Methods 0.000 title claims description 36
- 239000000758 substrate Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 22
- 229910000838 Al alloy Inorganic materials 0.000 description 10
- CASZBAVUIZZLOB-UHFFFAOYSA-N lithium iron(2+) oxygen(2-) Chemical compound [O-2].[Fe+2].[Li+] CASZBAVUIZZLOB-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 7
- 150000004767 nitrides Chemical class 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005121 nitriding Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 229910000765 intermetallic Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229910018191 Al—Fe—Si Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001336 glow discharge atomic emission spectroscopy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- IDNHOWMYUQKKTI-UHFFFAOYSA-M lithium nitrite Chemical compound [Li+].[O-]N=O IDNHOWMYUQKKTI-UHFFFAOYSA-M 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/125—Rotary tool drive mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/123—Controlling or monitoring the welding process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
- C23C12/02—Diffusion in one step
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/42—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
- C23C8/48—Nitriding
- C23C8/50—Nitriding of ferrous surfaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Description
そして、特許文献1の技術では、門型コラムに加工ヘッドを水平移動自在に設け、加工ヘッドに回転ツールを設けたため、摩擦撹拌接合装置は大型になる。
第2のアクチュエータ27の回転軸28に荷重検知手段39が付設されている。この荷重検知手段39は、例えば、機械的歪み量を電気信号に置き換える歪ゲージである。または、荷重検知手段39は第2のアクチュエータ27がサーボモータである場合、電流を検知し、電流を荷重に変換するものであってもよい。
第2のアクチュエータ27は、荷重検知手段39の情報に基づいて、上側回転ショルダー36の下向き荷重を制御する荷重制御部41で制御される。
軸間距離を極力小さくすることで、摩擦撹拌接合装置10のコンパクト化、特に水平方向の幅を小さくすることができる。
図2に示されるように、ピン20は、上側回転ショルダー36の中心に設けてある孔37に収納される。ピン20に対して上側回転ショルダー36が上下に移動するため、孔37の内周面とピン20の外周面との間に、dなる隙間が設けられている。この隙間dは、10〜30μmである。
図4(a)に示されるように、アルミニウム合金板であるワーク46、47同士を突き当てる。この例では突き当てたが、ワーク46、47同士を重ね合わせてもよい。重ね合わせであれば、3枚以上のワーク同士を重ね合わせて接合することができる。
図4(b)に示されるように、接合部48の一端に上側回転ショルダー36及び下側回転ショルダー15を接近させる。
図4(d)に示されるように、所定の回転速度で上側回転ショルダー36及び下側回転ショルダー15を回転させる。すると、摩擦熱が発生し流動化現象が起こる。この状態で、矢印のように移動させる。
結果、図4(e)に示されるように、ビード49でワーク46、47同士が接合された。
下側回転ショルダー106での上向き荷重Fg2を一定にする。この状態で、上側回転ショルダー107の下向き荷重Fg1を軽減する。すると、ワーク108が浮き上がる虞がある。浮き上がりを防止するには、下側回転ショルダー106での上向き荷重Fg2を軽減する。
また、ワーク108が温度上昇に伴って膨張する。放置すると荷重が過大となる。このときにもハンチングが起こる。
図2にて、上側回転ショルダー36とピン20との間の隙間dにアルミニウム合金が侵入し、金属間化合物を形成することを心配する必要はない。よって、ピン20に対し、上側回転ショルダー36を軸方向に円滑に移動させることができる。
図6に示される摩擦撹拌接合装置10では、ピン20から下側回転ショルダー(図1、符号15)を除去した。その他は、図1に示される摩擦撹拌接合装置10と同一であるため、図1の符号を流用して詳細な説明は省略する。
すなわち、本発明は、ピン20に下側回転ショルダー(図1、符号15)を備えている摩擦撹拌接合装置10及びピン20に下側回転ショルダー(図1、符号15)を備えていない摩擦撹拌接合装置10の両方に適用される。
図7(a)に示されるように、ピン20に、図7(d)に基づいて説明するような、色々な皮膜53を施す。
この評価には、リチウム含有量が0である供試材と、リチウム含有量が0.06wt%である供試材と、リチウム含有量が0.7wt%である供試材を準備した。なお、鉄リチウム酸化物層の最表面に関しては、GD−OES分析にて表示元素Li、C、N、O、Fe、Cr、W、Vで計測している。最表面から1μm範囲内の基材成分に対する重量%を算出している。
摩擦撹拌接合では、摩擦熱を発生するために、摩擦係数μは、0.7以上であることが求められる。
リチウム含有量が、0.35wt%以下の範囲、好ましくは、0.06〜0.35wt%の範囲W1であれば、摩擦係数μは0.7以上となる。
リチウム含有量が、0.35wt%以下の範囲、好ましくは、0.06〜0.35wt%の範囲W2であれば、摩擦係数μは0.7以上となる。
51…鉄リチウム酸化物層。
Claims (1)
- ワークの上に配置される上側回転ショルダーと、
前記ワークの下に配置される下側回転ショルダーと、
前記下側回転ショルダーを一体的に備えると共に前記上側回転ショルダー内部を貫通する回転主軸と、
この回転主軸を回転自在に支える基板と、
前記回転主軸に回転力を与える第1のアクチュエータと、
前記上側回転ショルダーを軸方向に移動する第2のアクチュエータと、
この第2のアクチュエータに加わる軸荷重を検出する荷重検知手段と、
この荷重検知手段から得られる荷重情報に基づいて、前記上側回転ショルダーがワークに加える荷重を制御する荷重制御部と、
前記下側回転ショルダーの位置を検出する位置センサと、
この位置センサからの位置情報に基づいて、前記下側回転ショルダーの位置を制御するコントローラと、
前記第1のアクチュエータの回転軸に取付けられている第1駆動プーリと、
一対の軸受で挟まる位置にて回転主軸に設けられている第1従動プーリと、
前記第1従動プーリと前記第1駆動プーリに掛け渡す第1ベルトと、
前記回転主軸に平行になるようにして前記基板に敷設されるレールに移動自在に取付けられるスライダと、
前記スライダに取付けられているボールナットと、
前記ボールナットに螺合し前記基板に支持片で回転自在に支持されているボールねじと、
前記第2のアクチュエータの回転軸に取付けられている第2駆動プーリと、
一方の支持片の近傍にて前記ボールねじに設けられている第2従動プーリと、
前記第2従動プーリと前記第2駆動プーリに掛け渡す第2ベルトと、を備えている摩擦撹拌接合装置であって、
前記第1のアクチュエータと、前記第2のアクチュエータは、共に前記基板に、移動不能に取付けられ、
前記第1のアクチュエータの回転軸と、前記第2のアクチュエータの回転軸と、回前記転主軸とは、互いに平行になるように配列され、
前記基板は、前記コントローラにより制御されるロボットにより、上下に移動し、
前記第1のアクチュエータの軸と、前記第2のアクチュエータの軸と、前記回転主軸とが、並列に配置されつつ前記ロボットに支持されている摩擦撹拌接合装置。
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JP2014084653 | 2014-04-16 | ||
JP2014084653 | 2014-04-16 | ||
PCT/JP2015/061213 WO2015159814A1 (ja) | 2014-04-16 | 2015-04-10 | 摩擦撹拌接合装置 |
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JPWO2015159814A1 JPWO2015159814A1 (ja) | 2017-04-13 |
JP6222877B2 true JP6222877B2 (ja) | 2017-11-08 |
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US (1) | US9975201B2 (ja) |
JP (1) | JP6222877B2 (ja) |
CN (1) | CN106163722B (ja) |
DE (1) | DE112015001811T5 (ja) |
WO (1) | WO2015159814A1 (ja) |
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JP6084887B2 (ja) * | 2013-04-16 | 2017-02-22 | 川崎重工業株式会社 | 摩擦撹拌接合装置および摩擦撹拌接合方法 |
US20180161850A1 (en) * | 2016-12-08 | 2018-06-14 | GM Global Technology Operations LLC | Single-sided joining machine |
JP6770014B2 (ja) * | 2018-03-19 | 2020-10-14 | Primetals Technologies Japan株式会社 | 摩擦攪拌接合装置用アイロニングプレートとそれを備えた摩擦攪拌接合装置、ならびに摩擦攪拌接合方法 |
US11331747B1 (en) | 2019-11-20 | 2022-05-17 | United States Of America As Represented By The Administrator Of Nasa | Self-reacting friction stir welding tool |
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US9975201B2 (en) | 2018-05-22 |
DE112015001811T5 (de) | 2017-01-19 |
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JPWO2015159814A1 (ja) | 2017-04-13 |
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