JP6788782B2 - How to join dissimilar materials - Google Patents

How to join dissimilar materials Download PDF

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JP6788782B2
JP6788782B2 JP2016173131A JP2016173131A JP6788782B2 JP 6788782 B2 JP6788782 B2 JP 6788782B2 JP 2016173131 A JP2016173131 A JP 2016173131A JP 2016173131 A JP2016173131 A JP 2016173131A JP 6788782 B2 JP6788782 B2 JP 6788782B2
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thermoplastic resin
plate
dissimilar materials
joining
concave portion
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JP2018027677A (en
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裕也 小平
裕也 小平
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Taiyo Kogyo Co Ltd
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Taiyo Kogyo Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • B29C65/8215—Tensile tests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7422—Aluminium or alloys of aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

本発明は、異種材料の接合、特に板状炭素繊維強化熱可塑性樹脂部材またはガラス繊維強化熱可塑性樹脂部材と板状金属部材とを互いに隣接して接合する異種材料の接合方法に関する。The present invention relates to joining dissimilar materials, particularly a method for joining dissimilar materials in which a plate-shaped carbon fiber reinforced thermoplastic resin member or a glass fiber reinforced thermoplastic resin member and a plate-shaped metal member are joined adjacent to each other .

近年では種々の機能を有する樹脂部材料が開発されており、機構部品として広く使用されている金属部材料との接合に対する需要が高まっている。このような樹脂部材料と金属部材料との接合に関しては、従来も多くの技術が提案されている。一般的な接合方法としては接着剤の使用が考えられるが、接着剤の場合塗布する必要があるため、接合できる箇所が限定される。また、塗布装置の管理に相応の労力が必要となる。さらに接着剤は化学的な反応を利用しているため、化学薬品との接触に注意が必要となる。 In recent years, resin parts materials having various functions have been developed, and the demand for joining with metal parts materials widely used as mechanical parts is increasing. Many techniques have been conventionally proposed for joining such a resin part material and a metal part material. Adhesives can be considered as a general joining method, but since it is necessary to apply an adhesive, the places where it can be joined are limited. In addition, a considerable amount of labor is required to manage the coating device. In addition, since adhesives utilize chemical reactions, care must be taken in contact with chemicals.

接着剤以外の接合方法としては、例えば特許文献１では、大径部と中径部と小径部とからなる熱可塑性樹脂製の樹脂管用予備成形品にフランジを備えた金属管を挿入し、中径部に溶融圧縮手段を当接させることにより熱可塑性樹脂を溶融変形して接合する方法が開示されている。しかし、この方法は管状製品に対して適用できるものであって、板状製品に応用することは困難である。 As a joining method other than the adhesive, for example, in Patent Document 1, a metal tube having a flange is inserted into a premolded product for a resin tube made of a thermoplastic resin composed of a large diameter portion, a medium diameter portion, and a small diameter portion. A method of melt-deforming and joining a thermoplastic resin by bringing a melt-compressing means into contact with a diameter portion is disclosed. However, this method can be applied to tubular products and is difficult to apply to plate-shaped products.

また特許文献２には、アルミニウム又はアルミニウム合金からなるアルミ基材の表面に酸素含有皮膜を形成し、この皮膜上に熱可塑性樹脂の射出成形により樹脂成形体を形成する接合方法が開示されている。しかし、この方法では金属部材料は酸素含有皮膜が形成可能なアルミニウム又はアルミニウム合金でなければならず、他の金属部材料に適用することは難しい。 Further, Patent Document 2 discloses a bonding method in which an oxygen-containing film is formed on the surface of an aluminum base material made of aluminum or an aluminum alloy, and a resin molded body is formed by injection molding of a thermoplastic resin on the film. .. However, in this method, the metal part material must be aluminum or an aluminum alloy capable of forming an oxygen-containing film, and it is difficult to apply it to other metal part materials.

さらに特許文献３においては、間隔周期が５ｎｍ以上５００ｎｍ以下である凸部が林立した微細凹凸表面を有する金属部材上に、樹脂成形物を射出することにより金属／樹脂複合構造体を製造する方法が開示されている。特許文献２の場合も同様であるが、この方法では金属部材上に射出成形により樹脂成形物を形成するため、金型が必要となる。従って、大量生産品ではコスト的に見合うかもしれないが、少量生産品ではコストが高くなってしまうという問題点がある。 Further, in Patent Document 3, a method of manufacturing a metal / resin composite structure by injecting a resin molded product onto a metal member having a fine concavo-convex surface in which convex portions are forested with an interval period of 5 nm or more and 500 nm or less is used. It is disclosed. The same applies to Patent Document 2, but in this method, a resin molded product is formed on the metal member by injection molding, so that a mold is required. Therefore, although it may be worth the cost for mass-produced products, there is a problem that the cost is high for mass-produced products.

特開２０１１−１５８９５号公報Japanese Unexamined Patent Publication No. 2011-15895 再公表特許ＷＯ２０１３／０４７３６５号公報Republished Patent WO2013 / 0473655 特開２０１６−７４１１６号公報Japanese Unexamined Patent Publication No. 2016-74116

上述の問題点に鑑みて本発明による接合方法では、加熱という物理的な手段を用いることにより、材料の汎用性が高く、用途範囲が広く、また経時的及び化学的耐久性の高い板状炭素繊維強化熱可塑性樹脂部材またはガラス繊維強化熱可塑性樹脂部材と金属部材との接合方法を提供することを課題とする。In the bonding method according to the present invention in view of the above problems, by using a physical means of heating, highly versatile material, wide range of applications, also over time and chemical durable plate carbon An object of the present invention is to provide a method for joining a fiber-reinforced thermoplastic resin member or a glass fiber-reinforced thermoplastic resin member to a metal member .

上記の課題を解決するため本発明による異種材料の接合方法においては、板状炭素繊維強化熱可塑性樹脂部材またはガラス繊維強化熱可塑性樹脂部材と板状金属部材とを互いに隣接して接合する異種材料の接合方法において、前記金属部材の接合側端面に凹状部を設け、前記凹状部に前記熱可塑性樹脂部材の接合端面を挿入して前記凹状部底面に接触させた状態で加熱処理することを特徴とする。In order to solve the above problems, in the method for joining dissimilar materials according to the present invention, dissimilar materials for joining a plate-shaped carbon fiber reinforced thermoplastic resin member or a glass fiber reinforced thermoplastic resin member and a plate-shaped metal member adjacent to each other. The method of joining is characterized in that a concave portion is provided on the joint side end surface of the metal member , the joint end surface of the thermoplastic resin member is inserted into the concave portion, and heat treatment is performed in a state of being in contact with the bottom surface of the concave portion. And.

前記加熱処理においては、前記板状金属部材のみを加熱することが好適であり、前記加熱処理が、前記熱可塑性樹脂の融点以上であることが望ましい。 In the heat treatment, it is preferable to heat only the plate-shaped metal member , and it is desirable that the heat treatment is equal to or higher than the melting point of the thermoplastic resin.

本発明による異種材料の接合方法によれば、金属部材に熱可塑性樹脂部材との接合部となる凹状部を形成する必要はあるが、金属部材を加熱して熱可塑性樹脂部材と接触させるだけで接合できるため、工程が容易であり、接着剤の必要がないためそのコストや管理費用も不要となる。また、金属の種類を選ばないため、用途に応じて種々の金属が使用できる。さらに、溶融により物理的に接合しているため、経時的及び化学的耐久性が高い。金属部材により熱可塑性樹脂部材の表面及び裏面を挟み込む形で接合しているため、接合面に垂直な方向の引っ張り強度だけでなく、両方の部材の表面に垂直な方向の応力に対しても高い強度が得られる。一方、片方の材質が熱可塑性樹脂であるため、必要であれば再加熱することにより、金属部材と樹脂部材を再分離することも可能である。According to the method for joining dissimilar materials according to the present invention, it is necessary to form a concave portion to be a joining portion with the thermoplastic resin member in the metal member, but only by heating the metal member and bringing it into contact with the thermoplastic resin member. Since it can be joined, the process is easy, and since no adhesive is required, the cost and management cost are not required. Moreover, since the type of metal is not selected, various metals can be used depending on the application. Furthermore, since it is physically bonded by melting, it has high temporal and chemical durability. Since the front and back surfaces of the thermoplastic resin member are sandwiched between metal members, the tensile strength is high not only in the direction perpendicular to the joint surface but also in the stress direction perpendicular to the surface of both members. Strength is obtained. On the other hand, since one of the materials is a thermoplastic resin, it is possible to re-separate the metal member and the resin member by reheating if necessary.

以下、実施例に基づいて本発明の好適な実施態様について説明する。 Hereinafter, preferred embodiments of the present invention will be described based on examples.

図１に本発明による異種材料の接合方法の説明図を示した。（ａ）は構成部材であり、凹状部１１を形成した金属部材１０と板状の熱可塑性部材２０を使用する。（ｂ）において、金属部材１０のみを熱可塑性部材２０の融点以上の温度に加熱する。（ｃ）において、加熱した金属部材１０の溝部１１内に熱可塑性部材２０の端部を凹状部底面１４まで挿入し両部材を一体化する。（ｄ）において、一体化した部材を冷却することにより、熱可塑性部材２０が一部溶融変形して金属部材１０と接合される。FIG. 1 shows an explanatory diagram of a method for joining different materials according to the present invention. (A) is a constituent member, and uses a metal member 10 having a concave portion 11 formed therein and a plate-shaped thermoplastic member 20. In (b), only the metal member 10 is heated to a temperature equal to or higher than the melting point of the thermoplastic member 20. In (c), the end portion of the thermoplastic member 20 is inserted into the groove portion 11 of the heated metal member 10 up to the bottom surface 14 of the concave portion, and both members are integrated. In (d), by cooling the integrated member, the thermoplastic member 20 is partially melt-deformed and joined to the metal member 10.

本発明による異種材料の接合方法の第１の実施例を図２に示した。（ｃ）に示したのが金属部材１０としての１０ｍｍ厚のアルミニウム板で、片側端部に幅方向に沿って幅２．３ｍｍ、深さ５．２ｍｍの凹状部１１が形成してある。（ｄ）に示したのが熱可塑性樹脂部材２０としての厚さ２ｍｍの炭素繊維強化ナイロン板である。アルミニウム板１０を４００℃で５分間加熱し、凹状部１１にナイロン板２０を凹状部底面１４まで挿入した後、室温中で冷却した。（ｂ）に接合後の断面図を示す。ナイロン板２０が溶融変形して凹状部１１内に充填されるため、接合部２１においてアルミニウム板１０とナイロン板２０とが接合される。（ａ）はその正面図である。A first embodiment of the method for joining dissimilar materials according to the present invention is shown in FIG. (C) shows a 10 mm thick aluminum plate as the metal member 10, and a concave portion 11 having a width of 2.3 mm and a depth of 5.2 mm is formed at one end thereof along the width direction. Shown in (d) is a carbon fiber reinforced nylon plate having a thickness of 2 mm as the thermoplastic resin member 20. The aluminum plate 10 was heated at 400 ° C. for 5 minutes, the nylon plate 20 was inserted into the concave portion 11 to the bottom surface 14 of the concave portion , and then cooled at room temperature. (B) shows a cross-sectional view after joining. Since the nylon plate 20 is melt-deformed and filled in the concave portion 11, the aluminum plate 10 and the nylon plate 20 are joined at the joint portion 21. (A) is the front view.

図３及び図４に本発明による異種材料の接合方法の第２の実施例を示した。図３（ｃ）に示したアルミニウム板１０と（ｄ）に示したナイロン板２０は実施例１と同じであるが、凹状部１２の形状が異なり、アルミニウム板１０端面より奥に行くに従って幅が広くなるテーパー形状とした。凹状部開口部の幅は２．３ｍｍに対し、最深部の幅は３ｍｍとした。水部の深さは実施例１と同じである。アルミニウム板１０を４００℃で５分間加熱し、凹状部１１にナイロン板２０を凹状部底面１４まで挿入した後、室温中で冷却した。（ｂ）は、挿入直後の断面図であり、凹状部１１最深部では、ナイロン板２０の両側に広い空隙部が見られる。その拡大図を図４に接合後の断面図を示す。（ａ）がナイロン板２０挿入直後、（ｂ）が冷却後である。ナイロン板２０が溶融変形して凹状部１１内に充填され空隙部にも充満して接合部２１においてアルミニウム板１０とナイロン板２０とが接合される。図３（ａ）はその正面図である。3 and 4 show a second embodiment of the method for joining dissimilar materials according to the present invention. The aluminum plate 10 shown in FIG. 3C and the nylon plate 20 shown in FIG. 3D are the same as those in the first embodiment, but the shape of the concave portion 12 is different, and the width becomes deeper from the end face of the aluminum plate 10. It has a wide tapered shape. The width of the concave opening was 2.3 mm, while the width of the deepest part was 3 mm. The depth of the water part is the same as that of Example 1. The aluminum plate 10 was heated at 400 ° C. for 5 minutes, the nylon plate 20 was inserted into the concave portion 11 to the bottom surface 14 of the concave portion , and then cooled at room temperature. (B) is a cross-sectional view immediately after insertion, and in the deepest portion of the concave portion 11, wide gaps are seen on both sides of the nylon plate 20. The enlarged view is shown in FIG. 4 as a cross-sectional view after joining. (A) is immediately after inserting the nylon plate 20, and (b) is after cooling. The nylon plate 20 is melt-deformed and filled in the concave portion 11 to fill the void portion, and the aluminum plate 10 and the nylon plate 20 are joined at the joint portion 21. FIG. 3A is a front view thereof.

上記実施例１及び２に従って作製した接合板の引っ張り強度試験結果を表１に示す。比較例として、１０ｍｍ厚のアルミニウム板２枚により厚さ２ｍｍの炭素繊維強化ナイロン板を挟み込んで加熱接合（アルミニウム板を５００℃５分間加熱）した場合の数値を使用した。 Table 1 shows the tensile strength test results of the joint plates prepared according to Examples 1 and 2 above. As a comparative example, the numerical value when a carbon fiber reinforced nylon plate having a thickness of 2 mm was sandwiched between two aluminum plates having a thickness of 10 mm and heat-bonded (the aluminum plate was heated at 500 ° C. for 5 minutes) was used.

表１からわかるように、コの字状凹状部の場合、加熱温度が３５０℃以上になると単純な挟み込みによる接合よりも高い引っ張り強度が得られる。また、テーパー凹状部にすることにより、引っ張り強度が格段に高くなる。As can be seen from Table 1, in the case of the U-shaped concave portion , when the heating temperature is 350 ° C. or higher, higher tensile strength can be obtained than in the case of joining by simple sandwiching. Further, by forming the tapered concave portion , the tensile strength is remarkably increased.

図５には、上述の実施例とは異なる第３の実施例を示した。アルミ板１０の一部を切り起こしてＬ字突起部１３を形成し、このＬ字突起部１３とアルミニウム板１０本体との間にナイロン板２０を底部１４まで挿入したものである。（ｃ）がＬ字突起部１３を形成したアルミニウム板１０、（ｄ）がナイロン板２０、（ｂ）が両者を合体した場合の断面図、（ａ）がその正面図である。FIG. 5 shows a third embodiment different from the above-described embodiment. A part of the aluminum plate 10 is cut up to form an L-shaped protrusion 13, and a nylon plate 20 is inserted up to the bottom 14 between the L-shaped protrusion 13 and the main body of the aluminum plate 10. (C) is an aluminum plate 10 forming an L-shaped protrusion 13, (d) is a nylon plate 20, (b) is a cross-sectional view when both are combined, and (a) is a front view thereof.

上記実施例においては便宜的にアルミニウム板と炭素繊維強化ナイロン板を使用したが、金属部材と炭素繊維強化熱可塑性樹脂部材またはガラス繊維強化熱可塑性樹脂部材であればその種類は問わない。Was used for convenience to the aluminum plate and the carbon fiber reinforced nylon plate in the above embodiment, the type if the metal member and the carbon fiber reinforced thermoplastic resin member or a glass fiber-reinforced thermoplastic resin member No preference.

以上述べたように、本発明による異種材料の接合方法では、簡便な方法で板状金属部材と板状炭素繊維強化熱可塑性樹脂部材またはガラス繊維強化熱可塑性樹脂部材という異種材料同士を接合することができ、所定の強度を確保できるため、種々の産業分野において有用となる。As described above, in the method for joining dissimilar materials according to the present invention, dissimilar materials such as a plate-shaped metal member and a plate-shaped carbon fiber reinforced thermoplastic resin member or a glass fiber reinforced thermoplastic resin member are joined to each other by a simple method. It is useful in various industrial fields because it can secure a predetermined strength.

本発明による異種材料の接合方法についての説明図である。It is explanatory drawing about the joining method of dissimilar materials by this invention. 本発明による異種材料の接合方法の第１の実施例を示す図である。It is a figure which shows the 1st Example of the method of joining dissimilar materials by this invention. 本発明による異種材料の接合方法の第２の実施例を示す図である。It is a figure which shows the 2nd Example of the method of joining dissimilar materials by this invention. 図３に示した第２の実施例の要部を示す断面図である。It is sectional drawing which shows the main part of the 2nd Example shown in FIG. 本発明による異種材料の接合方法の第３の実施例を示す図である。It is a figure which shows the 3rd Example of the method of joining dissimilar materials by this invention.

１０ 金属部材
１１ 凹状部
１２ テーパー凹状部
１３ Ｌ字突起部
１４ 底面
２０ 熱可塑性樹脂部材
２１ 接合部10 Metal member 11 Concave part 12 Tapered concave part 13 L-shaped protrusion
14 Bottom surface 20 Thermoplastic resin member 21 Joint

Claims (3)

板状炭素繊維強化熱可塑性樹脂部材またはガラス繊維強化熱可塑性樹脂部材と板状金属部材とを互いに隣接して接合する異種材料の接合方法において、前記金属部材の接合側端面に凹状部を設け、前記凹状部に前記熱可塑性樹脂部材の接合端面を挿入して前記凹状部底面に接触させた状態で加熱処理することを特徴とする異種材料の接合方法。 In a method of joining dissimilar materials in which a plate-shaped carbon fiber reinforced thermoplastic resin member or a glass fiber reinforced thermoplastic resin member and a plate-shaped metal member are joined adjacent to each other , a concave portion is provided on the joining side end face of the metal member . A method for joining dissimilar materials, which comprises inserting a joint end face of the thermoplastic resin member into the concave portion and heat-treating the joint end surface in contact with the bottom surface of the concave portion . 前記加熱処理において、前記板状金属部材のみを加熱することを特徴とする請求項１記載の異種材料の接合方法。 The method for joining dissimilar materials according to claim 1 , wherein in the heat treatment, only the plate-shaped metal member is heated . 前記加熱処理が、前記熱可塑性樹脂の融点以上であることを特徴とする請求項１または２記載の異種材料の接合方法。 The method for joining dissimilar materials according to claim 1 or 2, wherein the heat treatment is equal to or higher than the melting point of the thermoplastic resin.
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