JP2014018806A - Dissimilar aluminum alloy materials joined body and aluminum door - Google Patents

Dissimilar aluminum alloy materials joined body and aluminum door Download PDF

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JP2014018806A
JP2014018806A JP2012157045A JP2012157045A JP2014018806A JP 2014018806 A JP2014018806 A JP 2014018806A JP 2012157045 A JP2012157045 A JP 2012157045A JP 2012157045 A JP2012157045 A JP 2012157045A JP 2014018806 A JP2014018806 A JP 2014018806A
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aluminum alloy
alloy material
jis standard
series
series aluminum
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JP5965758B2 (en
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Kenji Shimizu
謙二 清水
Shigenobu Osawa
成信 大澤
Jiro Yoshihara
二郎 吉原
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Shiroki Corp
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Shiroki Corp
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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
    • B23K9/00—Arc welding or cutting
    • B23K9/0026—Arc welding or cutting 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
    • 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
    • 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
    • B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
    • B23K28/02—Combined welding or cutting procedures or apparatus
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0401—Upper door structure
    • B60J5/0408—Upper door structure fastening window frame or parts of window frame to lower door structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/048—Doors arranged at the vehicle sides characterised by the material
    • B60J5/0483—Doors arranged at the vehicle sides characterised by the material lightweight metal, e.g. aluminum, magnesium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • 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
    • B23K2101/006—Vehicles
    • 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
    • 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
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PROBLEM TO BE SOLVED: To enhance weld strength of a dissimilar aluminum alloy materials joined body in which a first JIS standard 6000 series aluminum alloy material and a JIS standard 5000 series aluminum alloy material are joined together by arc-welding and the 5000 series aluminum alloy material and the second JIS standard 6000 series alloy material are joined by friction stir welding.SOLUTION: In the dissimilar aluminum alloy materials joined body, the JIS standard 5000 series aluminum alloy material is constituted of an intermediate-strength 5000 series aluminum alloy material with Mg content of 2.2-2.8%.

Description

本発明は、２種の異種アルミ合金材の接合体及びアルミドアに関する。   The present invention relates to a joined body of two different kinds of aluminum alloy materials and an aluminum door.

アルミ合金材には、主にＭｇなどの成分含有量の違いによる異種アルミ材が知られている。例えば、ＪＩＳ規格５０００系アルミ合金材（以下単に５０００系と呼ぶことがある）は、ＪＩＳ規格６０００系アルミ合金材（以下単に６０００系と呼ぶことがある）より機械的強度が高い。アルミ合金材の接合には、溶接（スポット、アーク、レーザ、摩擦撹拌接合（摩擦撹拌溶接、ＦＳＷ（Friction Stir Welding））、ＳＰＲを含むリベット接合、接着などがあり、中でも溶接は選択使用されることが多い。   As the aluminum alloy material, a dissimilar aluminum material mainly due to a difference in content of components such as Mg is known. For example, a JIS standard 5000 series aluminum alloy material (hereinafter sometimes simply referred to as 5000 series) has higher mechanical strength than a JIS standard 6000 series aluminum alloy material (hereinafter sometimes simply referred to as 6000 series). The joining of aluminum alloy materials includes welding (spot, arc, laser, friction stir welding (friction stir welding, FSW (Friction Stir Welding)), rivet joining including SPR, adhesion, etc. Among them, welding is selectively used. There are many cases.

アルミ合金製の車両用ドアは、大きい要素として、ドアフレーム、該ドアフレームにアーク溶接されるブラケット及び該ブラケットに溶接されるインナパネルを備えている。ブラケットには、例えば、ドアをボディに結合するロックブラケットと、フロントドアのフロントブラケット（ミラーブラケット）あるいはリヤドアのリヤブラケットがある。これらのドアフレームとインナパネルに６０００系が選択使用される場合、ブラケットには、強度を必要とすることから従来、Ｍｇ含有量４．５％程度の高強度５０００系アルミ合金材が採用され、この高強度５０００系アルミ合金材ブラケットを、６０００系のドアフレームにアーク溶接し、同じく６０００系のインナパネルにＦＳＷをする試みがある。   An aluminum alloy vehicle door includes, as large elements, a door frame, a bracket arc-welded to the door frame, and an inner panel welded to the bracket. The bracket includes, for example, a lock bracket that couples the door to the body, a front bracket (mirror bracket) of the front door, or a rear bracket of the rear door. When the 6000 series is selected and used for these door frames and inner panels, since the bracket requires strength, a high-strength 5000 series aluminum alloy material having an Mg content of about 4.5% has been conventionally used. There is an attempt to arc weld this high-strength 5000 series aluminum alloy material bracket to a 6000 series door frame, and to perform FSW on the 6000 series inner panel.

特開２００２-２０６１３０号公報Japanese Patent Laid-Open No. 2002-206130

ところが、本発明者らによると、高強度５０００系は、６０００系とのＦＳＷの相性が悪く、溶接強度の維持が困難であり、アルミドアのブラケットに用いた場合、ドアフレームとのアーク溶接強度の確保は比較的容易であるものの、特にロックブラケットではインナパネルとの接続の維持が困難である。また、ブラケットを高強度６０００系材から構成すると、同じくインナパネルとのＦＳＷには問題がないが、同じく６０００系のドアフレームとアーク溶接すると割れが発生しやすい。また、６０００系は５０００系に比して比較的軟質であり、ブラケット強度が確保しにくい。   However, according to the present inventors, the high strength 5000 series is not compatible with the 6000 series FSW, and it is difficult to maintain the welding strength, and when used for an aluminum door bracket, the arc welding strength with the door frame is low. Although securing is relatively easy, it is difficult to maintain the connection with the inner panel, particularly with the lock bracket. If the bracket is made of a high-strength 6000 series material, there is no problem with the FSW with the inner panel, but cracks are likely to occur when arc welding is performed with a 6000 series door frame. Further, the 6000 series is relatively soft compared to the 5000 series, and it is difficult to ensure the bracket strength.

従って本発明は、ＪＩＳ規格５０００系とＪＩＳ規格６０００系の溶接接合に優れた異種アルミ合金材の接合体を得ることを目的とする。   Accordingly, an object of the present invention is to obtain a joined body of different kinds of aluminum alloy materials which is excellent in welding joints of JIS standard 5000 series and JIS standard 6000 series.

本発明は、ＪＩＳ規格５０００系アルミ合金材には、Ｍｇ含有量４．５％程度の高強度５０００系アルミ合金材の他に、Ｍｇ含有量２．２〜２．８％の中強度５０００系アルミ合金材が存在すること、及びこの中強度５０００系アルミ合金材は、６０００系との溶接の相性がよく、アーク溶接とＦＳＷ溶接の双方にバランスがよい接合体が得られることを見出してなされたものである。   In the present invention, the JIS standard 5000 series aluminum alloy material includes a high strength 5000 series aluminum alloy material with an Mg content of about 4.5%, and a medium strength 5000 series with an Mg content of 2.2 to 2.8%. It was found that there is an aluminum alloy material, and that this medium strength 5000 series aluminum alloy material has good compatibility with the 6000 series welding, and a well-balanced joint can be obtained for both arc welding and FSW welding. It is a thing.

本発明は、第１のＪＩＳ規格６０００系アルミ合金材とＪＩＳ規格５０００系アルミ合金材をアーク溶接し、該５０００系アルミ合金材と第２のＪＩＳ規格６０００系合金材を摩擦撹拌接合する異種アルミ合金材の接合体において、上記ＪＩＳ規格５０００系アルミ合金材をＭｇ含有量２．２〜２．８％の中強度５０００系アルミ合金材から構成したことを特徴としている。   In the present invention, the first JIS standard 6000 series aluminum alloy material and the JIS standard 5000 series aluminum alloy material are arc-welded, and the 5000 series aluminum alloy material and the second JIS standard 6000 series alloy material are friction stir welded. The alloy material joined body is characterized in that the JIS standard 5000 series aluminum alloy material is composed of a medium strength 5000 series aluminum alloy material having an Mg content of 2.2 to 2.8%.

また本発明は、ＪＩＳ規格６０００系のアルミ合金材とＪＩＳ規格５０００系アルミ合金材を摩擦撹拌接合する異種アルミ合金材の接合体の態様では、記ＪＩＳ規格５０００系アルミ合金材をＭｇ含有量２．２〜２．８％の中強度アルミ合金材から構成したことを特徴としている。   Further, according to the present invention, the JIS standard 5000 series aluminum alloy material has a Mg content of 2 in the form of a joined body of different aluminum alloy materials in which a JIS standard 6000 series aluminum alloy material and a JIS standard 5000 series aluminum alloy material are friction stir welded. .2 to 2.8% medium strength aluminum alloy material.

さらに本発明は、ＪＩＳ規格６０００系のアルミ合金材とＪＩＳ規格５０００系アルミ合金材をアーク接合する異種アルミ合金材の接合体の態様においては、上記ＪＩＳ規格５０００系アルミ合金材をＭｇ含有量２．２〜２．８％の中強度アルミ合金材から構成したことを特徴としている。   Furthermore, the present invention provides a JIS standard 6000 series aluminum alloy material and a JIS standard 5000 series aluminum alloy material that are joined to each other in a different aluminum alloy material. .2 to 2.8% medium strength aluminum alloy material.

本発明は特に車両のアルミドアに適用して好適である。すなわち、本発明は、アルミドアの態様では、ＪＩＳ規格６０００系アルミ合金材からなるアルミドアのドアフレームと、Ｍｇ含有量２．２〜２．８％のＪＩＳ規格５０００系アルミ合金材からなり上記ドアフレームにアーク溶接されるブラケットと、ＪＩＳ規格６０００系合金材からなり上記ブラケットに摩擦撹拌接合されるインナパネルまたはインナパネルとブラケットを繋ぐ中間ブラケットとを備えている。   The present invention is particularly suitable for application to an aluminum door of a vehicle. That is, in the aspect of the aluminum door, the present invention is a door frame of an aluminum door made of JIS standard 6000 series aluminum alloy material, and the door frame made of JIS standard 5000 series aluminum alloy material having a Mg content of 2.2 to 2.8%. And an inner panel made of a JIS standard 6000 series alloy material and friction stir welded to the bracket, or an intermediate bracket connecting the inner panel and the bracket.

本発明によれば、ＪＩＳ規格５０００系アルミ合金材としてＭｇ含有量２．２〜２．８％の５０００系アルミ合金材を用いたので、ＪＩＳ規格６０００系アルミ合金材を確実に接合することができ、特にアルミドアに適用して好適である。   According to the present invention, since a 5000 series aluminum alloy material having an Mg content of 2.2 to 2.8% is used as the JIS standard 5000 series aluminum alloy material, it is possible to reliably join the JIS standard 6000 series aluminum alloy material. In particular, it is suitable for application to aluminum doors.

本発明によるアルミドアの一実施形態を示す側面図である。It is a side view which shows one Embodiment of the aluminum door by this invention. 図１のアルミドアのアーク溶接部分の概念図である。It is a conceptual diagram of the arc welding part of the aluminum door of FIG. 図１のアルミドアの摩擦撹拌接合部分の概念図である。It is a conceptual diagram of the friction stir welding part of the aluminum door of FIG.

図１は自動車の前部座席用のアルミフロントドア１０の骨格を示している。アルミフロントドア１０は、二点鎖線で概略形状を示すインナパネル１２と、インナパネル１２の上部に枠状に形成されたドアフレーム１４とを有し、インナパネル１２の上縁部とドアフレーム１４の内縁部とで囲まれる窓開口１６内にドアガラスが昇降する。ドアフレーム１４は、ドア上縁部を形成するアッパサッシュ１８と、インナパネル１２の後部から上方へ延設された立柱サッシュ２０を備えており、アッパサッシュ１８の後端部と立柱サッシュ２０の上端部がドアコーナー部で接合される。インナパネル１２は車外側のアウタパネルと組み合わせてドアパネルを構成し、アッパサッシュ１８の前方下部はミラーブラケット３１を介してインナパネルに固定され、立柱サッシュ２０の下部はロックブラケット３２を介してインナパネルに固定される。ミラーブラケット３１とロックブラケット３２に対して、車両前後方向に延びるベルトラインリンフォース３３が固定される。図１では、ミラーブラケット３１とロックブラケット３２にハッチングを付した。   FIG. 1 shows a skeleton of an aluminum front door 10 for a front seat of an automobile. The aluminum front door 10 includes an inner panel 12 having a schematic shape indicated by a two-dot chain line, and a door frame 14 formed in a frame shape on the inner panel 12, and an upper edge portion of the inner panel 12 and the door frame 14. The door glass moves up and down in the window opening 16 surrounded by the inner edge of the door. The door frame 14 includes an upper sash 18 that forms an upper edge of the door, and an upright column sash 20 that extends upward from the rear portion of the inner panel 12, and the rear end portion of the upper sash 18 and the upper end of the upright column sash 20. The parts are joined at the door corner. The inner panel 12 is combined with an outer panel on the outside of the vehicle to form a door panel. The lower front portion of the upper sash 18 is fixed to the inner panel via a mirror bracket 31, and the lower portion of the upright pillar sash 20 is fixed to the inner panel via a lock bracket 32. Fixed. A beltline reinforcement 33 extending in the vehicle front-rear direction is fixed to the mirror bracket 31 and the lock bracket 32. In FIG. 1, the mirror bracket 31 and the lock bracket 32 are hatched.

インナパネル１２は、ＪＩＳ規格６０００系材からなる第１の部材であり、ドアフレーム１４（アッパサッシュ１８と立柱サッシュ２０）は、同じくＪＩＳ規格６０００系アルミ合金材からなる第２の部材である。これに対し、ミラーブラケット３１とロックブラケット３２は、Ｍｇ含有量２．２〜２．８％の程度のＪＩＳ規格中強度５０００系アルミ合金材からなっている。ドアフレーム１４（のアッパサッシュ）１８とミラーブラケット３１、及びドアフレーム１４（の立柱サッシュ２０）とロックブラケット３２は、溶接箇所Ｗ１においてそれぞれアーク溶接され、ミラーブラケット３１、ロックブラケット３２とインナパネル１２とは、複数の接合ポイントＷ２にてＦＳＷされる。   The inner panel 12 is a first member made of a JIS standard 6000 series material, and the door frame 14 (the upper sash 18 and the upright pillar sash 20) is a second member made of a JIS standard 6000 series aluminum alloy material. On the other hand, the mirror bracket 31 and the lock bracket 32 are made of JIS standard medium strength 5000 series aluminum alloy material having an Mg content of about 2.2 to 2.8%. The door frame 14 (upper sash) 18 and the mirror bracket 31, and the door frame 14 (upright column sash 20) and the lock bracket 32 are arc welded at the welded points W 1, respectively. Is FSW at a plurality of junction points W2.

アーク溶接は、図２に概念的に示すように、接合する２部材Ａ、Ｂを突き合わせ、その空隙Ｃをアーク放電による熔融金属で埋めることで接合する周知の接合方法である。   As conceptually shown in FIG. 2, arc welding is a well-known joining method in which two members A and B to be joined are brought into contact with each other and the gap C thereof is filled with a molten metal by arc discharge.

また、ＦＳＷは、図３に概念的に示すように、接合する２部材Ａ、Ｂを重ね合わせ、先端に突起のある円筒状の工具Ｃを回転させながら強い力で押し付けることで突起部を２部材Ａ、Ｂの接合部に貫入させ、これによって摩擦熱を発生させて母材を軟化させるとともに、工具Ｃの回転力によって接合部周辺を塑性流動させて練り混ぜることで接合する周知の接合方法である。   Further, as conceptually shown in FIG. 3, the FSW superimposes the two members A and B to be joined, and presses the cylindrical tool C having a protrusion at the tip with a strong force while rotating the protrusion 2 to rotate the protrusion. A well-known joining method for joining the members A and B by joining them by generating frictional heat to soften the base material and plastically flowing around the joints by the rotational force of the tool C and kneading. It is.

本実施形態は、ドアフレーム１４（のアッパサッシュ１８）とミラーブラケット３１、及びドアフレーム１４（の立柱サッシュ２０）とロックブラケット３２をそれぞれアーク溶接し、ミラーブラケット３１、ロックブラケット３２とインナパネル１２をＦＳＷにて接合するという接合体において、インナパネル１２とドアフレーム１４（アッパサッシュ１８と立柱サッシュ２０）を、ＪＩＳ規格６０００系アルミ合金材から構成し、ミラーブラケット３１とロックブラケット３２を、Ｍｇ含有量２．２〜２．８％の程度のＪＩＳ規格中強度５０００系アルミ合金材から構成している。具体的に、Ｍｇ系で、Ｍｇ含有量２．２〜２．８％の程度のＪＩＳ規格中強度５０００系アルミ合金材としては、少なくとも、５０５２材、５０２１材、５６５２材（ＪＩＳ規格）を用いることができる。
またＪＩＳ規格６０００系アルミ合金材は、Ｍｇ-Ｓｉ系のアルミ合金材として知られており、具体的には、６０１６材（ＪＩＳ規格）、６Ｎ０１材、またはそれ相当のものを用いることができる。 In this embodiment, the door frame 14 (the upper sash 18) and the mirror bracket 31 and the door frame 14 (the upright sash 20) and the lock bracket 32 are arc welded, respectively, and the mirror bracket 31, the lock bracket 32, and the inner panel 12 are arc-welded. The inner panel 12 and the door frame 14 (upper sash 18 and upright sash 20) are made of JIS standard 6000 series aluminum alloy material, and the mirror bracket 31 and the lock bracket 32 are made of Mg. It consists of a JIS standard medium strength 5000 series aluminum alloy material with a content of 2.2 to 2.8%. Specifically, at least 5052, 5021, and 5652 (JIS standard) are used as the JIS standard medium strength 5000 series aluminum alloy material with Mg content of about 2.2 to 2.8%. be able to.
The JIS standard 6000 series aluminum alloy material is known as an Mg—Si based aluminum alloy material, and specifically, a 6016 material (JIS standard), a 6N01 material, or an equivalent material can be used.

以上の実施形態は、アルミドアに本発明を適用したものであるが、アルミ合金接合材一般に適用することができる。   In the above embodiment, the present invention is applied to an aluminum door, but it can be applied to an aluminum alloy bonding material in general.

１０ アルミフロントドア
１２ インナパネル１２（第１のＪＩＳ規格６０００系アルミ合金材）
１４ ドアフレーム（第２のＪＩＳ規格６０００系アルミ合金材）
１８ アッパサッシュ（第２のＪＩＳ規格６０００系アルミ合金材）
２０ 立柱サッシュ２０（第２のＪＩＳ規格６０００系アルミ合金材）
３１ ミラーブラケット（ブラケット、ＪＩＳ規格中強度５０００系アルミ合金材）
３２ ロックブラケット（ブラケット、ＪＩＳ規格中強度５０００系アルミ合金材） 10 Aluminum front door 12 Inner panel 12 (first JIS standard 6000 series aluminum alloy material)
14 Door frame (second JIS standard 6000 series aluminum alloy material)
18 Upper sash (2nd JIS standard 6000 series aluminum alloy material)
20 Vertical pillar sash 20 (second JIS standard 6000 series aluminum alloy material)
31 Mirror bracket (bracket, JIS standard medium strength 5000 series aluminum alloy material)
32 Lock bracket (Bracket, JIS standard medium strength 5000 series aluminum alloy material)

Claims (4)

第１のＪＩＳ規格６０００系アルミ合金材とＪＩＳ規格５０００系アルミ合金材がアーク溶接され、該５０００系アルミ合金材と第２のＪＩＳ規格６０００系合金材が摩擦撹拌接合されている異種アルミ合金材の接合体において、
上記ＪＩＳ規格５０００系アルミ合金材をＭｇ含有量２．２〜２．８％の５０００系アルミ合金材から構成したことを特徴とする異種アルミ合金材の接合体。 The first JIS standard 6000 series aluminum alloy material and the JIS standard 5000 series aluminum alloy material are arc welded, and the 5000 series aluminum alloy material and the second JIS standard 6000 series alloy material are friction stir welded. In the joined body of
A joined body of dissimilar aluminum alloy materials characterized in that the JIS standard 5000 series aluminum alloy material is composed of a 5000 series aluminum alloy material having an Mg content of 2.2 to 2.8%. ＪＩＳ規格６０００系のアルミ合金材とＪＩＳ規格５０００系アルミ合金材が摩擦撹拌接合されている異種アルミ合金材の接合体において、
上記ＪＩＳ規格５０００系アルミ合金材をＭｇ含有量２．２〜２．８％のアルミ合金材から構成したことを特徴とする異種アルミ合金材の接合体。 In a joined body of dissimilar aluminum alloy materials in which a JIS standard 6000 series aluminum alloy material and a JIS standard 5000 series aluminum alloy material are friction stir welded,
A joined body of dissimilar aluminum alloy materials characterized in that the JIS standard 5000 series aluminum alloy material is composed of an aluminum alloy material having an Mg content of 2.2 to 2.8%. ＪＩＳ規格６０００系のアルミ合金材とＪＩＳ規格５０００系アルミ合金材がアーク接合されている異種アルミ合金材の接合体において、
上記ＪＩＳ規格５０００系アルミ合金材をＭｇ含有量２．２〜２．８％のアルミ合金材から構成したことを特徴とする異種アルミ合金材の接合体。 In a joined body of dissimilar aluminum alloy materials in which a JIS standard 6000 series aluminum alloy material and a JIS standard 5000 series aluminum alloy material are arc-joined,
A joined body of dissimilar aluminum alloy materials characterized in that the JIS standard 5000 series aluminum alloy material is composed of an aluminum alloy material having an Mg content of 2.2 to 2.8%. 請求項１ないし３のいずれか１項記載の異種アルミ合金材の接合体において、上記第１のＪＩＳ規格６０００系アルミ合金材はアルミドアのドアフレームであり、上記ＪＩＳ規格５０００系アルミ合金材は該ドアフレームにアーク溶接されているブラケットであり、上記ブラケットに摩擦撹拌接合されるインナパネルまたはインナパネルとブラケットを繋ぐ中間ブラケットは上記第２のＪＩＳ規格６０００系アルミ合金材であるアルミドア。 4. The joined body of dissimilar aluminum alloy materials according to claim 1, wherein the first JIS standard 6000 series aluminum alloy material is a door frame of an aluminum door, and the JIS standard 5000 series aluminum alloy material is An aluminum door which is a bracket arc welded to the door frame, and the inner panel which is friction stir welded to the bracket or an intermediate bracket connecting the inner panel and the bracket is the second JIS standard 6000 series aluminum alloy material.
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