JP3797714B2 - Manufacturing method of dissimilar metal joining member - Google Patents
Manufacturing method of dissimilar metal joining member Download PDFInfo
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- JP3797714B2 JP3797714B2 JP22978596A JP22978596A JP3797714B2 JP 3797714 B2 JP3797714 B2 JP 3797714B2 JP 22978596 A JP22978596 A JP 22978596A JP 22978596 A JP22978596 A JP 22978596A JP 3797714 B2 JP3797714 B2 JP 3797714B2
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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
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
-
- 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
- B23K20/12—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
- B23K20/1265—Non-butt welded joints, e.g. overlap-joints, T-joints or spot welds
-
- 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
- B23K20/128—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 making use of additional material
Description
【０００１】
【発明の属する技術分野】
この発明は、低融点金属材の間に高融点金属材が挟まれた異種金属接合部材の製造方法に関する。
【０００２】
【従来の技術】
従来、複数の異種金属材が積層されたような異種金属接合部材は、板状の金属材を数枚積層した状態で圧延し、各金属材を圧着接合することによって一般的に製造されていた。
【０００３】
しかしながら、前記圧延法では、金属材の一部に他の金属材を接合したり、複雑形状をした金属材に他の金属材を接合することが困難であり、例えば器物形状となされた金属材の底部外面にのみ複数の金属材が層状に接合されたような異種金属接合部材を製造することはできなかった。
【０００４】
そこで昨今では、異種金属接合部材を製造する方法として摩擦攪拌接合法が注目されている。
【０００５】
この摩擦攪拌接合法とは、例えば図３に示すように、厚さ方向に重ね合わされた金属材（５１）（５２）の接合部位周辺に、高速で回転したプローブ（４１）を接触させることによって摩擦熱を発生させ、該摩擦熱によって両金属材（５１）（５２）を軟化させ、さらに、プローブ（４１）を移動させることで金属材（５１）（５２）を連続的に軟化しつつ攪拌し、プローブ（４１）から遠ざかった軟化部分が冷却固化することによって接合部（２４）を形成し、重ね合わされた金属材（５１）（５２）が厚さ方向に接合されるという方法である。
【０００６】
この摩擦攪拌接合法を用いれば、金属材の一部に他の金属材を接合したり、板形状以外の複雑形状をした金属材に他の金属材を接合して異種金属接合部材を容易に製造することができるようになった。
【０００７】
【発明が解決しようとする課題】
ところが、前記摩擦攪拌接合法は、接合する金属材のいずれかに高融点の金属材が含まれている場合、プローブとの摩擦熱によっては前記高融点金属材を軟化することが不可能であるため、中間層に高融点金属材を含むような異種金属接合部材を製造することができなかった。
【０００８】
この発明は、上記課題に鑑みなされたものであり、複雑な形状や金属材の一部に異種の金属材が層状に接合された異種金属接合部材を容易に製造でき、かつ、中間層に高融点金属材が含まれる場合でも異種金属接合部材を製造することのできる方法の提供を目的とする。
【０００９】
【課題を解決するための手段】
この発明にかかる異種金属接合部材の製造方法は、低融点金属材の間に高融点金属材が挟まれた少なくとも３層積層構造の異種金属接合部材を製造するに際し、一方の低融点金属材、中間の高融点金属材、及び、他方の低融点金属材に、同時に、高速で回転するプローブを接触させて高融点金属材を破断する一方、低融点金属材を摩擦熱によって軟化させ、前記高融点金属材の破断部を介して両側の低融点金属材をプローブによって攪拌融合することで、低融点金属材を接合するとともに、前記高融点金属材を低融点金属材の間に接合することを要旨とするものである。
【００１０】
上記方法を採用すれば、プローブによって破断された高融点金属材の両側面に存在する低融点金属材が前記プローブとの摩擦によって軟化され、軟化された低融点金属材は高融点金属材の破断部を介して互いに攪拌され接合される。また、高融点金属材の破断されたエッジの部分は低融点金属の軟化部に複雑に食い込みそのままの状態で軟化部が冷却固化されるため、高融点金属材はアンカー効果によって、接合された低融点金属材の間に接合することができる。
【００１１】
したがって、前記方法により、摩擦攪拌接合法を用いて低融点金属材の間に高融点金属材が挟まれた少なくとも３層積層構造の異種金属接合部材を製造することができ、さらに、例えば器物形状の低融点金属材の底部外面にのみ高融点金属材と低融点金属材が順に接合されたような複雑形状の異種金属接合部材を製造することができる。
【００１２】
【発明の実施の形態】
次に、この発明を異種金属接合部材（１）として電磁調理用器物を製造する場合に適用した実施形態について説明する。
【００１３】
図２に示す電磁調理用器物（１）は、板状の低融点金属材を器物形状に成形した器物本体（２１）と、該器物本体（２１）の底部外面（２３）に、板状の高融点金属材からなる発熱体（３）、及び、該発熱体（３）をカバーする低融点金属材よりなるカバー部材（２２）が接合されたものである。
【００１４】
前記電磁調理用器物（１）を製造するにあたり、まず準備すべき各構成部材を説明する。
【００１５】
器物本体（２１）は、電磁調理用器物（１）の本体をなすものであるため、その材質は、熱伝導性や耐食性及び軽量性を考慮してアルミニウム（その合金を含む、以下同じ）を採用するのが好ましい。また低融点金属材を器物本体（２１）に成形する方法としては、前記アルミニウムよりなる板を深絞り加工等で加工する方法等が例示できる。
【００１６】
発熱体（３）は、電磁調理用器物（１）において、誘導加熱によって発熱する部分であるため、その材料は磁性材料が好適である。具体的には鉄やその合金を例示できる。また、その形状は器物本体（２１）の底部外面（２３）にほぼ一致する円板形状とする。
【００１７】
カバー部材（２２）は、前記発熱体（３）を覆い、水や空気との接触を遮断して発熱体（３）の発錆や腐食を防止するものである。したがって、その材質としては耐食性の高い低融点金属が好ましい。この実施形態の場合、器物本体（２１）と同じアルミニウムを採用する。またその形状は、発熱体（３）と同様円板形状とする。
【００１８】
次に、前記各部材を接合する接合装置（４）について説明する。
【００１９】
接合装置（４）は、径大の円筒状の支持体（４２）と該支持体（４２）の長さ方向の一端面（４３）に軸線が一致するように延設された径小のプローブ（４１）で構成される。
【００２０】
前記プローブ（４１）は、前記カバー部材（２２）及び発熱体（３）を通過して器物本体（２１）に到達する長さを有しており、その先端部は先端に向かって縮径されるテーパー形状となされている。
【００２１】
支持体（４２）の他端は、駆動系（４４）に固定されており、プローブ（４１）とともに高速で回転し、軸方向に移動可能となされている。
【００２２】
而して、前記各構成部材を以下のように接合し、電磁調理用器物（１）を製造する。
【００２３】
接合にあたっては、図２に示すように、器物本体（２１）を逆様に載置し、上を向いた底部外面（２３）に、発熱体（３１）及びカバー部材（２２）を順に載置する。
【００２４】
次に、図１に示すように、高速で回転させたプローブ（４１）をカバー部材 （２２）表面に垂直に突き立て、摩擦熱によってカバー部材（２２）を軟化しつつプローブ（４１）を積層方向にゆっくりと進入させて行く。プローブ（４１）の先端が発熱体（３）に到達しても進入速度を維持し、発熱体（３）を突き破りながらプローブ（４１）をさらに進入させ、プローブ（４１）の先端を器物本体（２１）に進入させる。この状態で支持体（４２）の端面（４３）がカバー部材（２２）の表面に当接するため、プローブ（４１）の進入を停止する。
【００２５】
次に、前記プローブ（４１）をカバー部材（２２）の周縁に沿ってゆっくりと移動させる。
【００２６】
前記プローブ（４１）を挿入したまま接合面に平行に移動させることで、器物本体（２１）及びカバー部材（２２）が連続的に軟化され、また、発熱体（３）が破断されていく。そして、プローブ（４１）の移動方向前方にある器物本体 （２１）及びカバー部材（２２）の軟化部分が移動方向後方に追いやられつつ攪拌され、破断された発熱体（３）を介して互いに融合される一方、破断された発熱体（３）のエッジ（３２）は前記融合された軟化部に複雑に食い込む。そして、プローブ（４１）が遠ざかるにつれて融合された軟化部は冷却固化して接合部（２４）を形成し、器物本体（２１）とカバー部材（２２）が接合される。一方、破断された発熱体（３）のエッジ（３２）は接合部（２４）に食い込んだ状態となされるため、アンカー効果により器物本体（２１）とカバー部材（２２）の間に発熱体（３）が接合される。
【００２７】
ここで、カバー部材（２２）の表面に当接されている支持体（４２）の端面 （４３）は、重ねられた各部材を押圧して接合を容易にするとともに、軟化したカバー部材（２２）等がプローブ（４１）の挿入部分から飛散するのを防止する働きを担っている。
【００２８】
なお、この発明の実施形態として電磁調理用器物（１）を製造する場合を示したが、これに限定されるわけではなく特許請求の範囲に記載された範囲内で任意に変更できる。例えば、アルミニウム材の間に高融点金属材として銅板が挟まれたような異種金属接合部材（１）を製造することも可能である。
【００２９】
また、この実施形態では、プローブ（４１）をカバー部材（２２）に接触させ摩擦熱によって加熱軟化しつつ挿入したが、低融点金属材と高融点金属材の端縁から接合するような場合には、該端縁にプローブ（４１）の回転周面を押しつけることにより、両側の低融点金属材を軟化しつつ中間の高融点金属材を破断し、該破断部を介して低融点金属材どうしを接合し、もってこれら低融点金属材と高融点金属材とを接合するものとしても良い。また、事前にドリル等でカバー部材（２２）などに下穴を開けた後、該下穴に沿ってプローブ（４１）を挿入したのち、した穴の内周面にプローブ（４１）の回転周面を押しつけるものとしても構わない。
【００３０】
また、プローブ（４１）をカバー部材（２２）等に挿入したまま移動させて連続的に接合するのではなく、異種金属接合部材（１）の異なる部位でプローブ （４１）の挿入、抜き取りを繰り返し、断続的に各部材を接合接合することも可能である。
【００３１】
【発明の効果】
この発明は、上述の次第であるから、高速で回転するプローブが高融点金属材を破断しその両側面に存在する低融点金属材をプローブとの摩擦熱によって軟化し、低融点金属材どうしを高融点金属材の破断部を介して互いに接合するとともに、高融点金属材の破断されたエッジが接合部分に食い込んでアンカー効果が発揮されることにより、それぞれを強固に接合することができる。
【００３２】
したがって、低融点金属材の間に高融点金属材が挟まれた少なくとも３層積層構造の異種金属接合部材を製造することができ、さらに、板形状ばかりでなく複雑な形状の異種金属接合部材や、ある金属部材の一部に層状の金属材が接合されたような異種金属接合部材を容易に製造することができる。
【図面の簡単な説明】
【図１】 異種金属接合部材を製造するための接合方法を示す断面図であり、（Ａ）はプローブ挿入開始直後の状態、（Ｂ）はプローブが完全に挿入された状態、（Ｃ）は軟化部分が完全に冷却固化された状態をそれぞれ示している。
【図２】 この発明の実施形態を示す図であり、（Ａ）は電磁調理用器物の断面図、（Ｂ）は底面図、（Ｃ）は接合部分を説明するための拡大断面図である。
【図３】 一般的な摩擦攪拌接合法を示す斜視図である。
【符号の説明】
１…異種金属接合部材（電磁調理用器物）
21…低融点金属材（器物本体）
22…低融点金属材（カバ−部材）
３…高融点金属材（発熱体）
41…プローブ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for manufacturing a dissimilar metal joining member in which a high melting point metal material is sandwiched between low melting point metal materials.
[0002]
[Prior art]
Conventionally, a dissimilar metal joining member in which a plurality of dissimilar metal materials are laminated is generally manufactured by rolling a plurality of plate-like metal materials in a state of being laminated, and crimping and joining the respective metal materials. .
[0003]
However, in the rolling method, it is difficult to join another metal material to a part of the metal material or to join another metal material to a metal material having a complicated shape. It was not possible to manufacture a dissimilar metal joining member in which a plurality of metal materials were joined in a layered manner only to the outer surface of the bottom.
[0004]
Therefore, in recent years, a friction stir welding method has attracted attention as a method for producing a dissimilar metal joining member.
[0005]
For example, as shown in FIG. 3, the friction stir welding method is performed by bringing a probe (41) rotated at high speed around a joint portion of metal materials (51) and (52) superimposed in the thickness direction. Friction heat is generated, both the metal materials (51) and (52) are softened by the friction heat, and the probe (41) is moved to stir while continuously softening the metal materials (51) and (52). Then, the softened portion away from the probe (41) is cooled and solidified to form the joint (24), and the superposed metal materials (51) and (52) are joined in the thickness direction.
[0006]
Using this friction stir welding method, dissimilar metal joint members can be easily joined by joining other metal materials to a part of the metal material or joining other metal materials to a metal material having a complicated shape other than the plate shape. It can be manufactured.
[0007]
[Problems to be solved by the invention]
However, in the friction stir welding method, when a high melting point metal material is included in any of the metal materials to be joined, it is impossible to soften the high melting point metal material by frictional heat with the probe. For this reason, it has been impossible to manufacture a dissimilar metal joining member that includes a refractory metal material in the intermediate layer.
[0008]
The present invention has been made in view of the above problems, and can easily manufacture a dissimilar metal joining member in which a dissimilar metal material is joined to a complicated shape or a part of a metal material in a layered manner, and the intermediate layer has a high height. An object is to provide a method capable of producing a dissimilar metal joining member even when a melting point metal material is included.
[0009]
[Means for Solving the Problems]
The manufacturing method of the dissimilar metal joining member according to the present invention includes a method for producing a dissimilar metal joining member having at least a three-layer structure in which a high melting point metal material is sandwiched between low melting point metal materials. refractory metal material of the intermediate, and, on the other of the low-melting-point metal material, at the same time, by contacting the probe to rotate at a high speed while breaking the refractory metal material, is softened by the frictional heat of the low melting point metal material, wherein The low melting point metal material on both sides is agitated and fused with a probe through the fractured portion of the high melting point metal material, thereby joining the low melting point metal material and joining the high melting point metal material between the low melting point metal materials. Is a summary.
[0010]
If the above method is adopted, the low melting point metal material present on both sides of the refractory metal material broken by the probe is softened by friction with the probe, and the softened low melting point metal material breaks the high melting point metal material. They are agitated and joined to each other through the section. In addition, the broken edge portion of the refractory metal material bites into the softened portion of the low melting point metal in a complicated manner, and the softened portion is cooled and solidified as it is. It can be joined between melting point metal materials.
[0011]
Therefore, according to the above method, a dissimilar metal joining member having at least a three-layer structure in which a high melting point metal material is sandwiched between low melting point metal materials can be manufactured using a friction stir welding method. It is possible to manufacture a dissimilar metal joining member having a complicated shape in which a high melting point metal material and a low melting point metal material are joined in order only on the bottom outer surface of the low melting point metal material.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Next, a description will be given of an embodiment in which the present invention is applied to the case where an electromagnetic cooking utensil is manufactured using the dissimilar metal joining member (1).
[0013]
The electromagnetic cooking device (1) shown in FIG. 2 has a plate-like shape on a plate body (21) obtained by molding a plate-shaped low melting point metal material into a plate shape, and a bottom outer surface (23) of the plate body (21). A heating element (3) made of a high melting point metal material and a cover member (22) made of a low melting point metal material that covers the heating element (3) are joined.
[0014]
In manufacturing the electromagnetic cooking device (1), first, each component to be prepared will be described.
[0015]
Since the main body (21) is the main body of the electromagnetic cooking device (1), the material thereof is aluminum (including the alloys thereof, the same shall apply hereinafter) in consideration of thermal conductivity, corrosion resistance and lightness. It is preferable to adopt. Moreover, as a method of shape | molding a low melting metal material in a container main body (21), the method etc. which process the board which consists of said aluminum by deep drawing etc. can be illustrated.
[0016]
Since the heating element (3) is a portion that generates heat by induction heating in the electromagnetic cooking device (1), the material is preferably a magnetic material. Specifically, iron and its alloys can be exemplified. Moreover, the shape is made into the disk shape substantially corresponded to the bottom part outer surface (23) of a container main body (21).
[0017]
The cover member (22) covers the heating element (3) and blocks contact with water and air to prevent rusting and corrosion of the heating element (3). Therefore, the material is preferably a low melting point metal having high corrosion resistance. In the case of this embodiment, the same aluminum as the main body (21) is adopted. Moreover, the shape is made into a disk shape like the heating element (3).
[0018]
Next, the joining apparatus (4) for joining the members will be described.
[0019]
The joining device (4) includes a small-diameter probe extended so that the axis line coincides with a cylindrical support (42) having a large diameter and one end surface (43) in the length direction of the support (42). (41).
[0020]
The probe (41) has a length that passes through the cover member (22) and the heating element (3) to reach the main body (21), and the tip thereof is reduced in diameter toward the tip. It has a tapered shape.
[0021]
The other end of the support (42) is fixed to the drive system (44), rotates at a high speed together with the probe (41), and is movable in the axial direction.
[0022]
Thus, the components are joined as follows to produce the electromagnetic cooking device (1).
[0023]
In joining, as shown in FIG. 2, the container body (21) is placed in the opposite direction, and the heating element (31) and the cover member (22) are placed in this order on the bottom outer surface (23) facing upward. To do.
[0024]
Next, as shown in FIG. 1, the probe (41) rotated at a high speed is vertically projected on the surface of the cover member (22), and the probe (41) is laminated while softening the cover member (22) by frictional heat. Go slowly in the direction. Even if the tip of the probe (41) reaches the heating element (3), the approach speed is maintained, the probe (41) is further advanced while breaking through the heating element (3), and the tip of the probe (41) is moved to the main body ( 21) Enter. In this state, the end surface (43) of the support (42) abuts against the surface of the cover member (22), so that the probe (41) stops entering.
[0025]
Next, the probe (41) is slowly moved along the periphery of the cover member (22).
[0026]
By moving the probe (41) parallel to the joint surface while being inserted, the main body (21) and the cover member (22) are continuously softened, and the heating element (3) is broken. Then, the softened portions of the instrument main body (21) and the cover member (22) in front of the moving direction of the probe (41) are stirred while being driven rearward in the moving direction, and are fused together via the broken heating element (3). On the other hand, the edge (32) of the broken heating element (3) bites into the fused softened portion in a complicated manner. As the probe (41) moves away, the fused softened portion is cooled and solidified to form a joint (24), and the main body (21) and the cover member (22) are joined. On the other hand, since the edge (32) of the broken heating element (3) is bitten into the joint (24), the heating element (21) and the cover member (22) have a heating element (22) due to the anchor effect. 3) are joined.
[0027]
Here, the end surface (43) of the support (42) that is in contact with the surface of the cover member (22) presses each of the stacked members to facilitate joining, and the softened cover member (22 ) And the like have a function of preventing scattering from the insertion portion of the probe (41).
[0028]
In addition, although the case where the electromagnetic cooking appliance (1) was manufactured was shown as embodiment of this invention, it is not necessarily limited to this but can change arbitrarily within the range described in the claim. For example, it is possible to manufacture a dissimilar metal joining member (1) in which a copper plate is sandwiched as a refractory metal material between aluminum materials.
[0029]
Further, in this embodiment, the probe (41) is inserted into contact with the cover member (22) while being heated and softened by frictional heat. However, in the case of joining from the edge of the low melting point metal material and the high melting point metal material. Presses the rotating peripheral surface of the probe (41) against the end edge to break the intermediate high melting point metal material while softening the low melting point metal material on both sides, and the low melting point metal materials are connected to each other through the broken portion. Thus, the low melting point metal material and the high melting point metal material may be joined. In addition, after making a pilot hole in the cover member (22) or the like with a drill or the like in advance, the probe (41) is inserted along the pilot hole, and then the rotation circumference of the probe (41) is placed on the inner peripheral surface of the hole. It doesn't matter if you press the surface.
[0030]
Also, instead of moving the probe (41) while it is inserted into the cover member (22) etc. and continuously joining it, the probe (41) is repeatedly inserted and extracted at different parts of the dissimilar metal joining member (1). It is also possible to join and join the members intermittently.
[0031]
【The invention's effect】
Since the present invention is as described above, the probe rotating at a high speed breaks the refractory metal material, softens the low melting point metal material existing on both sides thereof by frictional heat with the probe, and combines the low melting point metal materials. While joining together through the fracture | rupture part of a refractory metal material, the broken edge of a refractory metal material bites into a junction part, and each can be joined firmly by exhibiting an anchor effect.
[0032]
Therefore, it is possible to manufacture a dissimilar metal joining member having at least a three-layer structure in which a high melting point metal material is sandwiched between low melting point metal materials. It is possible to easily manufacture a dissimilar metal joining member in which a layered metal material is joined to a part of a certain metal member.
[Brief description of the drawings]
1A and 1B are cross-sectional views showing a joining method for manufacturing a dissimilar metal joining member, where FIG. 1A is a state immediately after the start of probe insertion, FIG. 1B is a state where the probe is completely inserted, and FIG. Each of the softened portions is shown as being completely cooled and solidified.
2A and 2B are views showing an embodiment of the present invention, in which FIG. 2A is a cross-sectional view of an electromagnetic cooking utensil, FIG. 2B is a bottom view, and FIG. 2C is an enlarged cross-sectional view for explaining a joint portion; .
FIG. 3 is a perspective view showing a general friction stir welding method.
[Explanation of symbols]
1 ... Dissimilar metal joint member (electromagnetic cooking equipment)
21 ... Low melting point metal (container body)
22 ... Low melting point metal material (cover)
3. High melting point metal material (heating element)
41 ... Probe
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22978596A JP3797714B2 (en) | 1996-08-30 | 1996-08-30 | Manufacturing method of dissimilar metal joining member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22978596A JP3797714B2 (en) | 1996-08-30 | 1996-08-30 | Manufacturing method of dissimilar metal joining member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1071479A JPH1071479A (en) | 1998-03-17 |
| JP3797714B2 true JP3797714B2 (en) | 2006-07-19 |
Family
ID=16897643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22978596A Expired - Fee Related JP3797714B2 (en) | 1996-08-30 | 1996-08-30 | Manufacturing method of dissimilar metal joining member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3797714B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543670B2 (en) * | 2001-08-29 | 2003-04-08 | The Boeing Company | Interface preparation for weld joints |
| JP4577620B2 (en) * | 2006-12-06 | 2010-11-10 | マツダ株式会社 | Metal joining method |
| CN102814589B (en) * | 2007-08-10 | 2014-06-25 | 日本轻金属株式会社 | Joining method and method of manufacturing joint structure |
| JP5223326B2 (en) * | 2007-12-21 | 2013-06-26 | 日本軽金属株式会社 | Joining method |
| WO2009081731A1 (en) * | 2007-12-21 | 2009-07-02 | Nippon Light Metal Company, Ltd. | Joining method |
| JP5233557B2 (en) * | 2008-09-30 | 2013-07-10 | 日本軽金属株式会社 | Joining method |
| CN105033475A (en) * | 2015-09-18 | 2015-11-11 | 哈尔滨工业大学 | Steel-side-high-frequency-induction-heating-assisted friction stir welding method for alumimum-steel material butt joint |
| US10724561B2 (en) * | 2015-10-30 | 2020-07-28 | National Research Council Of Canada | Joined incompatible metallic parts and method of joining |
| JP6505618B2 (en) * | 2016-02-05 | 2019-04-24 | 株式会社東芝 | Friction stir welding method and joined body |
-
1996
- 1996-08-30 JP JP22978596A patent/JP3797714B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1071479A (en) | 1998-03-17 |
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