JP6459930B2 - 接合構造体の製造方法および接合構造体 - Google Patents
接合構造体の製造方法および接合構造体 Download PDFInfo
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- JP6459930B2 JP6459930B2 JP2015231437A JP2015231437A JP6459930B2 JP 6459930 B2 JP6459930 B2 JP 6459930B2 JP 2015231437 A JP2015231437 A JP 2015231437A JP 2015231437 A JP2015231437 A JP 2015231437A JP 6459930 B2 JP6459930 B2 JP 6459930B2
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- protrusion
- metal member
- resin member
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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
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
- B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
- B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
- B23K26/324—Bonding taking account of the properties of the material involved involving non-metallic 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/50—Working by transmitting the laser beam through or within the workpiece
- B23K26/57—Working by transmitting the laser beam through or within the workpiece the laser beam entering a face of the workpiece from which it is transmitted through the workpiece material to work on a different workpiece face, e.g. for effecting removal, fusion splicing, modifying or reforming
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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
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
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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
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
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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
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
- B29C65/1661—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning repeatedly, e.g. quasi-simultaneous laser welding
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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
- 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
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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
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/024—Thermal pre-treatments
- B29C66/0246—Cutting or perforating, e.g. burning away by using a laser or using hot air
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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
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
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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
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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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
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
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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
- B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
- B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protusions or cavities belonging to at least one of the parts to be joined
- B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined
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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
- B29C66/70—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
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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
- B29C66/70—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
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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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/81266—Optical properties, e.g. transparency, reflectivity
- B29C66/81267—Transparent to electromagnetic radiation, e.g. to visible light
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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
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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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
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2424—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
- B29C66/24243—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
- B29C66/24244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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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
- B29C66/70—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/90—Measuring or controlling the joining process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/90—Measuring or controlling the joining process
- B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
- B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
Description
まず、図1〜図3を参照して、本発明の第1実施形態による接合構造体100について説明する。
次に、図1〜図5を参照して、第1実施形態による接合構造体100の製造方法について説明する。
第1実施形態では、上記のように、金属部材1の突部12を接合領域Rとしてその接合領域Rに穿孔部14を形成し、金属部材1の表面11から樹脂部材2を離間させた状態で接合領域Rに樹脂部材2を加圧接触させ、樹脂部材2を溶融させて穿孔部14に充填して固化させる。このように構成することによって、金属部材および樹脂部材が平坦でありそれらが全面的に接触する場合に比べて、加圧部材5から樹脂部材2に加わる力が接触面において分散されるのを抑制することができる。すなわち、加圧部材5から樹脂部材2に加わる力を、接合領域R(金属部材1および樹脂部材2の接触面)に集中させることができる。これにより、加圧部材5から樹脂部材2に加わる力が大きくなるのを抑制しながら、接合領域R(接触面)に効率的に加圧力を作用させることができる。したがって、樹脂部材2に熱変形ひずみが生じるのを抑制しながら、樹脂部材2の穿孔部14への充填率の向上を図ることができる。その結果、接合構造体100の接合強度の向上を図るとともに、熱サイクル環境下における耐久性の向上を図ることができる。
次に、図6および図7を参照して、本発明の第2実施形態による接合構造体100aについて説明する。
次に、図8および図9を参照して、本発明の第3実施形態による接合構造体100bについて説明する。
次に、図10および図11を参照して、本発明の第4実施形態による接合構造体100cについて説明する。
次に、図12および図13を参照して、本発明の第5実施形態による接合構造体100dについて説明する。
次に、図14および図15を参照して、本発明の第6実施形態による接合構造体100eについて説明する。
次に、図16および図17を参照して、本発明の第7実施形態による接合構造体100fについて説明する。
次に、図18〜図21を参照して、上記した各実施形態の効果を確認するために行った実験例1について説明する。
まず、実施例1による接合構造体の作製方法について説明する。
レーザ:ファイバレーザ(波長1062nm)
周波数:10kHz
走査速度:650mm/sec
走査回数:20回
照射間隔:65μm
サブパルス数:20
なお、周波数は、複数(この例では20)のサブパルスによって構成されるパルスの周波数である。つまり、この照射条件では、1秒間に650mm移動しながら65μmの間隔で1万回レーザ光(パルス)を照射し、そのパルスが20のサブパルスによって構成されている。なお、走査回数は、レーザ光が同じ箇所に繰り返し照射される回数である。
レーザ:半導体レーザ(波長808nm)
発振モード:連続発振
出力:18W
焦点径:1mm
走査速度:3mm/sec
加圧力:0.3MPa
走査回数:3回
このようにして、実施例1の接合構造体を作製した。
そして、実施例1〜7の接合構造体および比較例の接合構造体についての接合評価を行い、その結果を表1に示した。
不合格(×):「熱衝撃試験後の接合強度」/「熱衝撃試験前の接合強度」<90%
上記した表1に示すように、実施例1〜7の接合構造体では、樹脂充填率が90%を上回っていたのに対し、比較例の接合構造体では、樹脂充填率が80%を下回っていた。これは、実施例1〜7の接合構造体では、金属部材および樹脂部材の少なくとも一方に突部を設けることにより、レーザ接合時の加圧力を接合領域を含む接触面に集中させることができたためであると考えられる。
次に、接合用のレーザ光の走査回数と樹脂充填率との関係を確認するために行った実験例2について説明する。
なお、今回開示した実施形態は、すべての点で例示であって、限定的な解釈の根拠となるものではない。したがって、本発明の技術的範囲は、上記した実施形態のみによって解釈されるものではなく、特許請求の範囲の記載に基づいて画定される。また、本発明の技術的範囲には、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれる。
2、2a、2b、2e 樹脂部材
11、11c、11d、11f、11g、11h、11i 表面
12、12f、12g、12h、12i 突部
12d 溝部(凹部)
14 穿孔部
21、21a、21b、21e 表面
22a 突部
22b 溝部(凹部)
100、100a、100b、100c、100d、100e、100f 接合構造体
Claims (14)
- 金属部材および樹脂部材が接合された接合構造体の製造方法であって、
前記金属部材の表面に突部が設けられており、前記突部の接合領域に開口を有する穿孔部を形成する工程と、
前記金属部材の表面に対して前記樹脂部材を離間させた状態で、前記金属部材の突部の接合領域に前記樹脂部材を加圧接触させる工程と、
前記金属部材の接合領域に接触する前記樹脂部材を溶融させ、その溶融された前記樹脂部材を前記穿孔部に充填した後に固化させる工程とを備え、
前記穿孔部は、平面的に見て円形に形成され、
前記金属部材および前記樹脂部材が接合された状態では、前記金属部材の突部が前記樹脂部材に接触されるとともに、前記金属部材の突部以外の部分が前記樹脂部材と離間されていることを特徴とする接合構造体の製造方法。 - 請求項1に記載の接合構造体の製造方法において、
前記樹脂部材の表面に突部が設けられており、前記樹脂部材の突部が前記金属部材の突部の接合領域に加圧接触されることを特徴とする接合構造体の製造方法。 - 請求項1に記載の接合構造体の製造方法において、
前記樹脂部材の表面に凹部が設けられており、前記樹脂部材の凹部が前記金属部材の突部の接合領域に加圧接触されることを特徴とする接合構造体の製造方法。 - 請求項1〜3のいずれか1つに記載の接合構造体の製造方法において、
前記金属部材の突部は、平面的に見て環状に形成されていることを特徴とする接合構造体の製造方法。 - 請求項1〜3のいずれか1つに記載の接合構造体の製造方法において、
前記金属部材の突部は複数設けられ、各突部が分離されていることを特徴とする接合構造体の製造方法。 - 金属部材および樹脂部材が接合された接合構造体の製造方法であって、
前記金属部材の接合領域に開口を有する穿孔部を形成する工程と、
前記樹脂部材の表面に突部が設けられており、前記金属部材の表面に対して前記樹脂部材の突部以外の部分を離間させた状態で、前記金属部材の接合領域に前記樹脂部材の突部を加圧接触させる工程と、
前記金属部材の接合領域に接触する前記樹脂部材を溶融させ、その溶融された前記樹脂部材を前記穿孔部に充填した後に固化させる工程とを備え、
前記穿孔部は、平面的に見て円形に形成され、
前記金属部材および前記樹脂部材が接合された状態では、前記樹脂部材の突部が前記金属部材に接触されるとともに、前記樹脂部材の突部以外の部分が前記金属部材と離間されていることを特徴とする接合構造体の製造方法。 - 請求項6に記載の接合構造体の製造方法において、
前記金属部材の表面に凹部が設けられており、その凹部に接合領域が設けられることを特徴とする接合構造体の製造方法。 - 請求項6または7に記載の接合構造体の製造方法において、
前記樹脂部材の突部は、平面的に見て環状に形成されていることを特徴とする接合構造体の製造方法。 - 請求項6または7に記載の接合構造体の製造方法において、
前記樹脂部材の突部は複数設けられ、各突部が分離されていることを特徴とする接合構造体の製造方法。 - 請求項1〜9のいずれか1つに記載の接合構造体の製造方法において、
前記金属部材に第1レーザ光を照射することにより、前記樹脂部材を溶融させることを特徴とする接合構造体の製造方法。 - 請求項10に記載の接合構造体の製造方法において、
前記第1レーザ光を複数回走査することを特徴とする接合構造体の製造方法。 - 請求項1〜11のいずれか1つに記載の接合構造体の製造方法において、
前記金属部材の接合領域に第2レーザ光を照射することにより、前記穿孔部を形成することを特徴とする接合構造体の製造方法。 - 請求項12に記載の接合構造体の製造方法において、
前記第2レーザ光は、1パルスが複数のサブパルスで構成されることを特徴とする接合構造体の製造方法。 - 金属部材および樹脂部材が接合された接合構造体であって、
前記金属部材および前記樹脂部材の少なくとも一方の表面に突部が設けられており、前記金属部材に突部が設けられている場合にはその突部に接合領域が設けられ、前記樹脂部材に突部が設けられている場合にはその突部と対向する位置の前記金属部材に接合領域が設けられ、
前記金属部材の接合領域には、開口を有する穿孔部が形成され、
前記穿孔部は、平面的に見て円形に形成され、
前記金属部材の穿孔部には、前記樹脂部材が充填され、
前記金属部材に突部が設けられている場合には、前記金属部材の突部が前記樹脂部材に接触されるとともに、前記金属部材の突部以外の部分が前記樹脂部材と離間され、前記樹脂部材に突部が設けられている場合には、前記樹脂部材の突部が前記金属部材に接触されるとともに、前記樹脂部材の突部以外の部分が前記金属部材と離間されていることを特徴とする接合構造体。
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