JP6006805B2 - 異種材を接合するための方法 - Google Patents
異種材を接合するための方法 Download PDFInfo
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- ZUPBPXNOBDEWQT-UHFFFAOYSA-N [Si].[Ni].[Cu] Chemical compound [Si].[Ni].[Cu] ZUPBPXNOBDEWQT-UHFFFAOYSA-N 0.000 description 1
- VRAIHTAYLFXSJJ-UHFFFAOYSA-N alumane Chemical compound [AlH3].[AlH3] VRAIHTAYLFXSJJ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- -1 aluminum metals Chemical class 0.000 description 1
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- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- 239000010937 tungsten Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Classifications
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
- B23K11/20—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded of different metals
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
- B23K11/0026—Welding of thin articles
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3009—Pressure electrodes
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/20—Ferrous alloys and aluminium or alloys thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/47—Molded joint
- Y10T403/477—Fusion bond, e.g., weld, etc.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Description
本願は、2011年12月20日に出願され、発明の名称が「異種材を接合するための装置および方法」である米国特許出願第61/578,634号に基づく優先権を主張し、その内容全体を参照によって本明細書に組み込まれるものとする。
金属材料シートの接合は、溶接技術、典型的には抵抗スポット溶接RSWにより行われる。しかし、RSWは、特定の材料が特定の厚さになると不可能である。
本発明の開示は、特定の材料どうし(例えばアルミニウム合金シートとスチールシート、または他のシートどうし)を直接溶接(すなわち抵抗スポット溶接により)する様々な実施形態を提供する。本発明の開示は、約7mm未満の厚さ(例えば約6.5mm未満の最小シートゲージ)を有するシートを接合するために、溶接を含む接合方法を使用する。本発明の開示の一態様では、装置が配備される。幾つかの実施形態において、装置は、第1材料の第1シートと、第2材料の第2シートと、複数の抵抗スポット溶接部を含むジョイントとを具え、第1シートの厚さは第2シートの厚さの少なくとも約1.5倍である。
本発明の1又は複数の実施形態に基づいて、非アルミニウム(例えばスチール)シートとアルミニウムシートとの間にジョイントを形成するための方法を提供する。幾つかの実施形態において、アルミニウムシートの厚さはスチールシートの厚さより大きいか、あるいはそれと等しい。幾つかの実施形態において、ジョイント(例えば溶接部)の形成は下側シートへのろう付けまたは亜鉛めっきなどのコーティング無しで行われる。幾つかの実施形態において、アルミニウム合金は、モノリシックアルミニウム合金、多層合金アルミニウムシート(ろう付けシートもしくはクラッドシート)または表面が被覆もしくはめっきされたアルミニウム合金シート(例えば亜鉛めっきシート)を含む。
Claims (18)
- 第1材料からなる少なくとも1つの第1シートを、第2材料からなる少なくとも1つの第2シートと重ね合わせる重ね合せステップであって、前記第1材料がアルミニウム合金であり、前記第2材料がアルミニウム合金よりも電気伝導率が小さい材料であって、チタン金属、チタン合金、マグネシウム金属、マグネシウム合金、スチール合金及びこれらの組合せからなる群から選択され、前記第1シートの厚さが前記第2シートの厚さの少なくとも1.5倍である、重ね合せステップと、
一対の電極を前記第1シートおよび前記第2シートの対向面に接触させて溶接ゾーンを画定する接触ステップであって、前記電極の一方が前記第2シートに接触する電極インサートを含み、該電極インサートの電気伝導率が約60%IACS以下である、接触ステップと、
前記電極を用いて、前記溶接ゾーンにて前記第1シートを前記第2シートに溶接し、少なくとも1つの抵抗スポット溶接部(RSW)を形成して、前記第1シートを前記第2シートに接合する溶接ステップと、を含む方法。 - 前記RSWの十字引張強度は、JIS Z3137に準拠して測定したとき、少なくとも約2.67kNである、請求項1の方法。
- 前記アルミニウム合金は、AA系1xxx、AA系2xxx、AA系3xxx、AA系5xxx、AA系6xxx、AA系7xxx、及びそれらの組合せから成る群から選択される、請求項1の方法。
- 前記第1シートは、モノリシックアルミニウム合金、複層アルミニウム合金、被覆アルミニウム合金、めっきアルミニウム合金、およびそれらの組合せから成る群から選択される、請求項1の方法。
- 前記第1シートは5mm以下である、請求項1の方法。
- 前記第2シートに対する前記第1シートの厚さ比は6:1以下である、請求項1の方法。
- 方法は、自動車構造、ボディ構造、自動車ボディ構造、閉鎖パネル又はそれらの組合せのうちの少なくとも1つの製造に適用される、請求項1の方法。
- 前記RSWの十字引張強度は、JIS Z3137に準拠して測定したときに、少なくとも約0.9kNである、請求項1の方法。
- 前記RSWの十字引張強度は、JIS Z3137に準拠して測定したときに、少なくとも約4.45kNである、請求項1の方法。
- 前記RSWの溶接ボタンプルアウト範囲は、JIS Z3140に準拠して測定したときに、規定ゲージの平方根の少なくとも約3倍である、請求項1の方法。
- 前記第1シートおよび前記第2シートの少なくとも1つのシートはその一部分に沿って潤滑剤を含んでいる、請求項1の方法。
- 前記潤滑剤は、乾性皮膜潤滑剤、水系潤滑剤、石油系潤滑剤、およびそれらの組合せから成る群から選択される、請求項11の方法。
- 前記第2材料の熱伝導率および/または電気伝導率は前記第1材料より少なくとも10%小さい、請求項1の方法。
- 前記接触ステップは、溶接の前に、前記溶接ゾーンで前記第1シートおよび前記第2シートに少なくとも約2kNの力を加えるステップをさらに含む、請求項1に記載の方法。
- 前記溶接ステップは、前記溶接ゾーンに約45kA以下の電流を約500ミリ秒以下の溶接時間、印加するステップをさらに含む、請求項1に記載の方法。
- 前記電極の他方は第1シートに接触する電極インサートを含み、該電極インサートの電気伝導率が約60%IACS以下である、請求項1の方法。
- 前記第2シートに接触する電極インサートは、電気伝導率が約30%IACS以下である、請求項1の方法。
- 前記第2シートに接触する電極インサートは、電気伝導率が約30%IACS以下である、請求項16の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161578634P | 2011-12-21 | 2011-12-21 | |
US61/578,634 | 2011-12-21 | ||
PCT/US2012/071044 WO2013096669A2 (en) | 2011-12-21 | 2012-12-20 | Apparatus and methods for joining dissimilar materials |
Publications (2)
Publication Number | Publication Date |
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JP2015503448A JP2015503448A (ja) | 2015-02-02 |
JP6006805B2 true JP6006805B2 (ja) | 2016-10-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014548906A Expired - Fee Related JP6006805B2 (ja) | 2011-12-21 | 2012-12-20 | 異種材を接合するための方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20130189023A1 (ja) |
JP (1) | JP6006805B2 (ja) |
CA (1) | CA2859214C (ja) |
WO (1) | WO2013096669A2 (ja) |
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CA2859214A1 (en) | 2013-06-27 |
WO2013096669A3 (en) | 2013-08-15 |
JP2015503448A (ja) | 2015-02-02 |
WO2013096669A2 (en) | 2013-06-27 |
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