WO2007029440A1 - 金属樹脂接合方法及び金属樹脂複合体、ガラス樹脂接合方法及びガラス樹脂複合体、並びにセラミック樹脂接合方法及びセラミック樹脂複合体 - Google Patents
金属樹脂接合方法及び金属樹脂複合体、ガラス樹脂接合方法及びガラス樹脂複合体、並びにセラミック樹脂接合方法及びセラミック樹脂複合体 Download PDFInfo
- Publication number
- WO2007029440A1 WO2007029440A1 PCT/JP2006/315607 JP2006315607W WO2007029440A1 WO 2007029440 A1 WO2007029440 A1 WO 2007029440A1 JP 2006315607 W JP2006315607 W JP 2006315607W WO 2007029440 A1 WO2007029440 A1 WO 2007029440A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- joint
- glass
- metal
- ceramic
- Prior art date
Links
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Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
- B29C65/8253—Testing the joint by the use of waves or particle radiation, e.g. visual examination, scanning electron microscopy, or X-rays
-
- 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
-
- 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
- B29C66/30326—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 in the form of porosity
-
- 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
- B29C66/74—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
- B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
- B29C66/7461—Ceramics
-
- 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
- B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
- B29C66/7465—Glass
-
- 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
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
-
- 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
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91641—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- Y10T428/31678—Of metal
Definitions
- Metal resin bonding method and metal resin composite glass resin bonding method and glass resin composite, and ceramic resin bonding method and ceramic resin composite
- the present invention relates to a method of joining a metal material and a resin material, and a metal resin composite having a joint part joined by a covering method.
- the present invention relates to a method of joining a metal material and a resin material, which can form a strong joint by heating to a low temperature.
- the present invention also relates to a glass resin bonding method and a glass resin composite, as well as a ceramic resin bonding method and a ceramic resin composite.
- Rivet fastening is a physical fastening method in which a rivet having a diameter of several millimeters to several tens of millimeters is driven and fixed so as to penetrate a metal material and a resin material.
- adhesion is a method in which a metal material and a resin material are fixed with an adhesive by physical adsorption force and chemical adsorption force.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-325710
- Patent Document 2 JP-A-60-214931
- Patent Document 3 Japanese Patent Laid-Open No. 2002-67165
- Non-Patent Literature 1 Proceedings of the 59th Laser Processing Society, 1-7 (September 2003)
- the present invention was devised in view of the problems of the prior art, and its purpose is to provide a metal material capable of forming a strong joint by a simple method without limitation in the application field.
- a method of joining a resin material, a method of joining a glass material and a resin material, a method of joining a ceramic material and a resin material, and a metal resin composite having a strong joint joined by such a method, a glass resin The object is to provide a composite and a ceramic resin composite.
- the present inventors have reached the following knowledge.
- the thermally decomposed gas expands from the internal power of the resin material to the metal material and the resin material of the joint, and the resin internal Heat to the extent that bubbles are generated.
- explosive pressure accompanying the generation of certain force bubbles in the micro-size region is applied to the joint, and coupled with the fact that the temperature of the metal material and the resin material in the joint is increasing,
- the material and metallic material meet and meet the conditions that enable physical bonding such as anchor effect or chemical bonding through metal oxides.
- the cocoon and rosin material cools and solidifies, the temperature of the bubbles also decreases, so the pressure inside the bubbles decreases and an adsorption force is generated.
- Metal-resin bonding is possible by combining these bonding forces.
- by using laser light as a heating source local rapid heating and rapid cooling are possible, and the pressure and adsorption force associated with the generation of bubbles can be increased. Bonding can be promoted.
- the glass resin bonding method and the ceramic resin bonding method are the same as the metal resin bonding method.
- the present invention also has the following constitutional powers (1) to (30).
- a metal resin composite comprising a joint obtained by joining a metal material and a resin material by the metal resin bonding method according to any one of (1) to (8).
- bonding is performed by heating the joint to a temperature at which bubbles are generated in the resin material of the joint in a state where the glass material and the resin material are combined.
- a glass resin composite comprising a bonded part in which a glass material and a resin material are bonded by the glass resin bonding method according to any one of (11) to (18).
- a ceramic resin composite comprising a joint part in which a ceramic material and a resin material are joined by the ceramic resin joining method according to any one of (21) to (28).
- the bonding method of the present invention enables strong bonding between a metal material, a glass material, or a ceramic material and a resin material.
- a laser light source or ionizing radiation source is used as a heating source, and by heating the inside of the resin material, fine bubbles are generated in the resin to have a structure including the bubbles. It is possible to increase the pressure-adsorbing force accompanying the generation, and promote strong bonding between the metal material, glass material, or ceramic material and the resin material.
- a laser light source, an ionizing radiation source, or the like as a heating source generates many advantages.
- the laser light source and ionizing radiation source must be heated locally. Can create a small joint. Accordingly, the rivet size joint and the rivet itself are not required for rivet fastening, and the joint can be prevented from becoming large and heavy.
- a laser light source can reduce the beam diameter to the micron order, so it is precise and fine. Junctions are also possible.
- the laser beam irradiation time required for bonding is not a process for rate-limiting production, which is shorter than the time required for curing the adhesive.
- Fifth, by selecting an ionizing radiation source for the wavelength of the laser beam that passes through the resin material it is possible to heat from the metal material, glass material, or ceramic material side, as well as the resin material side.
- when joining resin materials using laser light there are cases in which there are limitations that allow laser light to be irradiated from only one side.
- FIG. 1 shows a configuration of a joining method of Example 1.
- FIG. 2 is a schematic view of a joining process at the initial stage of laser irradiation in the joining method of Example 1.
- FIG. 3 is a schematic diagram of a joining process when bubbles are generated in the joining method of Example 1.
- FIG. 4 is a schematic diagram of a joining process immediately after laser irradiation in the joining method of Example 1.
- FIG. 5 shows a joint produced by the joining method of Example 1.
- FIG. 6 shows the configuration of the joining method of Example 2.
- FIG. 7 is a schematic view of a joining process at the initial stage of laser irradiation in the joining method of Example 2.
- FIG. 8 is a schematic view of a joining process when bubbles are generated in the joining method of Example 2.
- FIG. 9 is a schematic view of the bonding process immediately after laser irradiation in the bonding method of Example 2.
- FIG. 10 shows a joint produced by the joining method of Example 2.
- FIG. 11 shows the surface appearance of the joint in the joining method of Example 3.
- FIG. 12 is a graph showing the tensile shear load at the joint in the joining method of Example 3.
- FIG. 13 is a graph showing the tensile shear strength of the joint in the joining method of Example 3.
- FIG. 14 is a scanning electron micrograph of a bonded part in the bonding method of Example 4. Explanation of symbols
- the metal material used in the method of the present invention is not particularly limited, and may include iron, aluminum, titanium, copper and the like and alloys thereof.
- a metal material having a low boiling point such as magnesium, aluminum, and alloys thereof is not preferable because there is a possibility that sufficient heat cannot be input to the joint.
- a metal material that can rapidly heat the joint to a high temperature such as carbon steel, stainless steel, and titanium alloy, is particularly preferable.
- the metal material is preferably subjected to a surface treatment for increasing the bonding strength with the resin material.
- the thickness of the metal material is not particularly limited, and may be a metal material having a thickness of 0.1 mm or more, further lmm or more, and further 3 mm or more! /.
- the glass materials used in the method of the present invention are as follows according to the classification by chemical components. In other words, “soda glass” in which silicic acid, soda ash and lime power are also produced, “lead glass” in which silicic acid, calcium carbonate and acid lead are used, and “borosilicate glass” in which silicic acid, boric acid and soda ash are used. However, it is not limited to these.
- the thickness of the glass material is not particularly limited, and may be a glass material having a thickness of 0.1 mm or more, further 1 mm or more, and further 3 mm or more.
- the ceramic materials used in the method of the present invention are as follows. That is, alumina and zirconia as oxides, silicon carbide as carbides, silicon nitride as nitrides, and other carbonates, phosphates, hydroxides, halides, and elements Forces including systems, etc.
- the present invention is not limited to these.
- the thickness of the ceramic material is not particularly limited, and may be a ceramic material of 0.1 mm or more, further 1 mm or more, or 3 mm or more! /.
- the resin material used in the method of the present invention needs to be a resin that is fluidized by a heat source and a precursor of Z or resin.
- specific examples of the types of resin used include polyamide resin (PA) such as nylon 6 (PA6) and nylon 66 (PA66), polyester resin such as polyethylene terephthalate (PET) and polybutylene terephthalate (PBT).
- PA polyamide resin
- PET polyethylene terephthalate
- PBT polybutylene terephthalate
- thermoplastic oils such as fats, polycarbonate (PC) resins, styrene resins such as polystyrene and ABS, and acrylic resins (such as PMMA).
- Polyamide resin (PA), polyester resin resin, polycarbonate (PC), and carboxylic acid are preferred, especially those having a main chain, side chain, and Z or terminal groups having polar groups or groups reactive with metals.
- Preferred are styrene-based resins and acrylic-based resins having polar groups such as sulfonic acid metal bases, groups having reactivity with metal, glass, or ceramic at the side chain and Z or terminal.
- a resin material made of an amorphous resin having a polar group at the main chain, side chain, Z or terminal, and a group reactive with metal, glass or ceramic is preferred.
- the presence of oxygen in the constituent atoms of the resin material is preferable because it can easily form a chemical bond with the oxidic material on the surface of the metal, glass or ceramic to obtain high bonding strength.
- a material to which reinforcing fibers such as glass fibers and carbon fibers, coloring materials, heat stabilizers, light stabilizers and the like are added may be used as necessary.
- the resin material used in the method of the present invention needs to be a resin material that generates bubbles by heating, particularly by heating with a laser light source or an ionizing radiation source.
- a resin material that generates bubbles due to gas generation due to heating of moisture in the absorbed resin material or gas generation due to decomposition of the resin material at high temperatures is used.
- the thickness of the resin material is not particularly limited, and may be a resin material having a thickness of 0.1 mm or more, further 1 mm or more, and 3 mm or more.
- both the materials are strongly bonded by heating the bonded portion with a laser beam, ionizing radiation, or the like in a state where the metal material, the glass material or the ceramic material and the resin material are combined. can do.
- the heating temperature of the joint must be a temperature at which fine bubbles are generated inside the resin material. Specifically, the temperature is higher than the soft temperature of the resin. It is preferably less than the boiling point of the metal or ceramic and between 200 ° C and 1500 ° C at the joint. Further, it is preferable that the heating temperature is not so high that the bubbles of the resin are accompanied by the movement of the force near the joint.
- the upper limit of the sphere equivalent diameter of bubbles generated in the resin of the joint by heating is 5 mm or less, preferably 3 mm or less, more preferably lmm or less, particularly preferably 0.5 mm or less, in terms of bonding strength and appearance. It is. From the viewpoint of bonding strength, the lower limit is 0.0 OOOlmm or more, preferably 0.0OOlmm or more, and more preferably 0.01mm or more.
- a laser light source for the joint used in the method of the present invention, a laser light source, an ionizing radiation source, or the like is preferable.
- the laser light source for example, a YAG laser, a fiber laser, a semiconductor laser, a carbon dioxide laser or the like can be used.
- an ionizing radiation source for example, an electron beam, a gamma ray, an X-ray or the like can be used, and an electron beam is particularly preferable.
- the irradiation of these heat sources may be a deviation of continuous irradiation or pulse irradiation.
- irradiation conditions such as laser power, power density, processing speed (moving speed), and defocus distance can be set as appropriate according to the purpose.
- the power density of the laser is preferably lWZmm 2 to 10 kWZmm 2 .
- Bonding strength is increased when the molten resin is brought into intimate contact with the surface of a metal, glass or ceramic by rapidly generating appropriately sized bubbles.
- the power density decreases, so that it is possible to irradiate a large power laser that covers it, and as a result, good joints can be obtained over a wide range of conditions, and control can be achieved. Easy.
- the moving speed of the laser is increased, the range of the laser power that can provide suitable bonding is widened, so that the control becomes easy. Note that the direction of laser irradiation is strong even if it is performed from any material side in a state where a metal material, a glass material, or a ceramic material and a resin material are combined. The part can be formed.
- the metal material, the glass material or the ceramic material and the resin material are combined and the joint of the metal material, the glass material or the ceramic material and the resin material is heated.
- the thermally decomposed gas expands due to the internal force of the resin material, and fine bubbles are generated inside the resin.
- the principle is not clear, but at this time, in the micro-size region, explosive pressure due to the generation of bubbles is applied to the joint, and the temperature of the metal material, glass material or ceramic material and resin material in the joint becomes high.
- the resin material around the bubble and the metal material, glass material or ceramic material is bonded to the physical bonding force such as the anchor effect and chemically through the Z or metal, glass or ceramic oxide.
- the metal, glass, or ceramic and the resin can be joined with a sufficient joining force so as to meet the conditions.
- the resin material cools and solidifies, the temperature of the bubbles also decreases, so the pressure inside the bubbles is reduced and an adsorption force is also generated.
- a combination of these bonding forces makes it possible to bond strong metal, glass, or ceramic to resin.
- laser light as a heating source, local rapid heating and rapid cooling become possible, and the pressure and adsorption force associated with the generation of bubbles can be increased.
- Metal materials, glass materials or ceramics can be used. It is possible to promote the bonding between the material and the resin material.
- a composite in which a metal material, glass material or ceramic material and a resin material are joined by the method of the present invention has a strong joint having a tensile shear strength of IMPa or more, further 5 MPa or more, and further lOMPa or more. Can have.
- the temperature of the joint is obtained by measuring the surface temperature of the metal, glass or ceramic side of the joint with R (platinum 'platinum rhodium: Pt—Ptl3% Rh) or K (alumel' chromel) thermocouple. It was.
- a plate-shaped metal material and a resin material (each 70 mm long x 30 mm wide x thick (see below)) are prepared, and 20 mm of the 70 mm length is left as a tensile test holding part, and 50 mm is overlapped and joined.
- FIG. 1 is a diagram showing the configuration of the metal-oil-resin bonding method of Example 1.
- fiber laser light 4 with a wavelength of 1090 nm is introduced from fiber laser oscillator 1 to fiber 2 into laser carriage head 3, and condensing lens 5 with a focal length of 80 mm is used to stop the lens from the focal position at a power of 30 W.
- focusing lens 5 side (heating source side) Is the polycarbonate of the workpiece 7 and the workpiece 6
- the pure titanium is a plate with a thickness of lmm
- the polycarbonate of the workpiece 7 is a plate with a thickness of 0.5mm.
- laser light 4 is transmitted through the workpiece 7 and pure titanium of the workpiece 6 having a high absorptance with respect to the wavelength of the laser beam 4 is mainly heated, so that the workpiece 6 changes to the workpiece 7.
- Due to the heat transport 9, the boundary portion 10 between the workpiece 5 and the workpiece 6 and its peripheral portion have heat. As a result, as shown in FIG.
- bubbles 11 are formed by the thermal decomposition and the generation of gas inside the polycarbonate of the driven object 7.
- the pressure 12 accompanying the generation of the bubbles 11 is generated, the temperature of the metal material of the workpiece 6 is less than the boiling point, and the temperature of the resin material of the workpiece 7 is heated above the softening temperature.
- the resin material of the work piece 7 and the metal material of the work piece 6 are physically joined by an anchor effect or chemicals that have passed through the metal oxide. Satisfying the conditions that enable efficient bonding.
- the metal-resin joint 14 is characterized by having bubbles 11 (sphere equivalent diameter of about 0.01 to Lmm) at the joint. Further, when the joint strength and fracture state of the joint were examined, the fracture occurred in the base material portion of the resin material other than the joint, and the tensile shear strength was 23 MPa.
- FIG. 6 is a diagram showing the configuration of the metal-oil resin joining method of Example 2.
- the YAG laser oscillator 15 introduces YAG laser light 17 with a wavelength of 1064nm to the processing head 16 with fiber 2 and the diaphragm with a converging lens 18 with a focal length of 200mm, and the lens from the focal position with power 1000W.
- the metal material stainless steel SUS 304 of the workpiece 19 is located on the condenser lens 18 side.
- the stainless steel SUS 304 of the supported object 19 is a plate with a thickness of 3 mm
- the T-714H of the supported object 20 is a plate with a thickness of 2 mm.
- the pressure 24 accompanying the generation of the bubbles 23 is generated, the temperature of the metal material of the workpiece 19 is less than the boiling point, and the temperature of the resin material of the workpiece 20 is heated above the softening temperature.
- the resin material of the object 20 around the bubble 23 and the metal material of the object 19 are physically bonded by the anchor effect or the chemical through the metal oxide. Satisfying the conditions that enable efficient bonding. Further, when the irradiation of the laser beam 17 is stopped, the bubbles 23 are rapidly cooled, the pressure 24 is lowered, and the force 25 adsorbed on the stainless steel SUS 304 of the object 19 is applied as shown in FIG. appear.
- This metal-resin joint portion 25 is characterized by having bubbles 23 (sphere equivalent diameter of about 0.01 to 3 mm) at the joint portion. Further, when the joint strength and fracture state of the joint were examined, the fracture occurred in the base material portion of the resin material other than the joint, and the tensile shear strength was 21 MPa.
- the joint between the metal material and the resin material was heated in the same manner as in Example 1, and the surface appearance and the state of bubbles were observed when the laser power was changed.
- the tensile shear load and tensile shear strength of the joint were measured.
- Metal material Stainless steel SUS 304 plate (thickness 2mm)
- Resin material PA12 amorphous polyamide plate (Toyobo Co., Ltd. ⁇ -714 ⁇ ) (thickness 2 mm)
- Heating source YAG laser used
- FIG. 11 shows the surface appearance (power 110 W, 300 W, 560 W, 850 W) of the joint when the laser power is changed.
- the resin material with a laser power of 110W Bubbles begin to occur, and then when the power is increased, it is 0. Olmn over 300W! Bubbles with a sphere equivalent diameter of ⁇ 0.5 mm were generated, and then the bubbles became larger as the power increased.
- FIGS. 12 and 13 graphs showing the tensile shear load and tensile shear strength of the joint when the laser power is changed from 0 to: LOOOW are shown in FIGS. 12 and 13, respectively.
- the generation of bubbles is low and the laser power is low at the bow of the joint.
- the shearing load and tensile shear strength are low, but the deviation is low, but the laser power increases.
- bubbles of a large size were generated, extremely high tensile shear strength was obtained at the joint.
- the laser power was increased too much, the bubbles were enlarged and the tensile shear strength was decreased.
- Table 1 shows the tensile shear strength of the joint at each laser power.
- the strongest joint was formed when heated to 790 ° C. (tensile shear strength 22 MPa). Therefore, the formation of a strong joint between a metal material and a resin material requires rapid heating to a high temperature by a laser and generation of a high pressure by plastic decomposition, and it is also important not to enlarge the bubbles and bring them to a reduced pressure state. It can be seen that it is.
- the joint between the metal material and the resin material was heated in the same manner as in Example 1 under the following conditions, and the joint between both materials was photographed with a scanning electron microscope.
- Metal material Stainless steel SUS 304 plate (thickness 2mm)
- Resin material Polycarbonate ("Novaflex 7025IRJ” manufactured by Mitsubishi Engineering Plastics, Inc.) (thickness 0.5mm)
- Heating source YAG laser used
- Figure 14 shows a photograph of the joint. As shown in Fig. 14, the joint between the metal material and the resin material is heated by the laser light source to generate bubbles inside the resin material, so that both materials have a constant force on the micron order. Can be joined together.
- Metal material Stainless steel SUS 304 plate (thickness 2mm)
- Resin material PA12 amorphous polyamide plate (Toyobo Co., Ltd. ⁇ -714 ⁇ ) (thickness 2 mm)
- Heat source material Grease material Heating source: Use of semiconductor laser
- the metal material and the resin material were heated in the same manner as in Example 1 under the following conditions, and the bubble generation state and bubble equivalent diameter of the bubble were measured at the joint of both materials, and the bow I The fracture state (base material fracture or joint fracture) in the shear strength test was observed. The results are shown in Table 2.
- Metal material Stainless steel SUS 304 plate (thickness 2mm)
- the grease material (thickness 2mm) was used with the following changes:
- Nylon 6 (NY6): Toyobo Nylon T—800 (Toyobo Co., Ltd.)
- Nylon 12 (NY12): Daiamide L1801 (Daicel Huls)
- PBT Polybutylene terephthalate
- PAR Polyarylate
- Heating source YAG laser used
- nylon 6, nylon 12, polybutylene terephthalate, and polyarylate which are resin materials, all generate moderately sized bubbles and have a high bonding strength with metal materials.
- the material was broken not at the joint but at the base material portion of the resin.
- FIGS. 1-5 of Example 1 The figure which shows the structure and process of the glass resin bonding method of Example 7 is the same as that of FIGS. 1-5 of Example 1, and demonstrates based on these figures.
- fiber laser light 4 with a wavelength of 1090 nm is introduced from the fiber laser oscillator 1 to the fiber 2 to the laser carriage head 3, the aperture is focused by the condenser lens 5 with a focal length of 80 mm, and the lens is moved from the focal position at a power of 30 W.
- the glass material of the workpiece 6 float glass plate made of soda glass
- the polycarbonate resin of the workpiece 7 polycarbonate resin Mitsubishi Engineering Plastics' “NOVAFLEX 7025IRJ”
- Glass transition point 150 ° C
- the force applied to the collecting lens 5 side There are 7 polycarbonates.
- the glass material of the workpiece 6 is a plate having a thickness of 3 mm
- the polycarbonate of the workpiece 7 is a plate having a thickness of 0.5 mm
- the workpiece 7 is irradiated with the laser beam 4.
- the laser beam 4 is transmitted through the object 7 and the glass material of the object 6 having a high absorption rate with respect to the wavelength of the laser beam 4 is mainly heated.
- the heat transfer 9 from the workpiece 6 to the workpiece 7 causes heat at the boundary 10 between the workpiece 6 and the workpiece 7 and its peripheral portion. As shown in the figure, thermal decomposition occurs inside the polycarbonate of the work piece 7 and gas is generated, thereby forming bubbles 11.
- Example 8 When the irradiation of 4 is stopped, the bubbles 11 are rapidly cooled, the pressure 12 is lowered, and a force 13 for adsorbing the glass material of the workpiece 6 is generated as shown in FIG. These joining forces were combined to form a glass resin joint 14 as shown in FIG.
- This glass resin joint 14 was characterized by having bubbles 11 (sphere equivalent diameter of about 0.01 to Lmm) at the joint and its periphery. Further, when the joint strength and fracture state of the joint were examined, the fracture occurred in the base material portion of the resin material at the joint, and the tensile shear strength was 5 MPa or more.
- Example 8 Example 8
- FIGS. 6-10 of Example 2 The figure which shows the structure and process of the glass resin bonding method of Example 8 is the same as that of FIGS. 6-10 of Example 2, and demonstrates based on these figures.
- YAG laser oscillator 15 force fiber 2 and YAG laser light 17 with a wavelength of 1064nm is introduced into the carriage head 16 with a fiber 2 and stopped by a condensing lens 18 with a focal length of 200 mm, and the power is 1000 W from the focal position.
- a glass material (soda glass float glass plate) that is the workpiece 19 and a resin material that is the workpiece 20 PA12-based amorphous polyamide at a position 10 mm away from the lens (T-714H, Toyobo Co., Ltd., glass transition point 160.
- C, DSC3 ⁇ 4 [Tmg value according to IS K 7121, load stagnation temperature 130 ° C (load: 1. 80MPa) Zl45 ° C (load: 0. 45 MPa) and IS O 75-1 and 75-2) were superposed, fixed with clamp 7, and moved at a moving speed of 30 mmZs during laser light irradiation. At that time, the glass material of the driven object 19 is located on the condenser lens 18 side.
- the glass material of the supported object 19 is a plate having a thickness of 3 mm
- the T-714H of the supported object 20 is a plate having a thickness of 2 mm.
- the resin material of the work piece 20 around the bubble 23 and the glass material of the work piece 19 are physically bonded such as anchor effect or the glassy oxide Meet the conditions that can be joined.
- the bubbles 23 are rapidly cooled, the pressure 24 is lowered, and a force 25 is generated that is attracted to the glass material of the workpiece 19 as shown in FIG.
- These bonding forces were combined to form a glass resin bonded portion 25 as shown in FIG.
- the glass resin bonding portion 25 was characterized by having bubbles 23 (sphere equivalent diameter of about 0.01 to 3 mm) at the bonding portion and its peripheral portion. Further, when the joint strength and fracture state of the joint were examined, the fracture occurred in the base material portion of the resin material in the joint, and the tensile shear strength was 5 MPa or more.
- FIGS. 1 to 5 of Example 1 The diagram showing the configuration and process of the ceramic resin bonding method of Example 9 is the same as FIGS. 1 to 5 of Example 1, and will be described based on these drawings.
- fiber laser light 4 with a wavelength of 1090nm is introduced into the laser carriage head 3 from the fiber laser oscillator 1 to the fiber 2, and the aperture is reduced by the condensing lens 5 with a focal length of 80mm, from the focal position at a power of 30W.
- Lens force At a distance of 20 mm in the direction of moving away, the ceramic material of the target object 6 is made of an acid-based alumina (Al 2 O) plate and the resin material polycarbonate of the work piece 7 (Mitsubishi Corporation).
- the ceramic material of the workpiece 6 is a plate having a thickness of 1 mm
- the polycarbonate of the workpiece 7 is a plate having a thickness of 0.5 mm.
- the pressure 12 accompanying the generation of the bubbles 11 is generated, the temperature of the ceramic material of the workpiece 6 is less than the boiling point, and the temperature of the resin material of the workpiece 7 is heated to the softening temperature or higher.
- the bubbles 11 are rapidly cooled, the pressure 12 is lowered, and a force 13 for adsorbing the ceramic material of the target object 6 is generated as shown in FIG.
- This ceramic resin joint 14 is characterized by having bubbles 11 (sphere equivalent diameter of about 0.01 to Lmm) at the joint and its peripheral part. Further, when the joint strength and fracture state of the joint were examined, the fracture occurred in the base material portion of the resin material at the joint, and the tensile shear strength was 5 MPa or more.
- FIGS. 6 to 10 The diagram showing the configuration and process of the ceramic resin bonding method of Example 10 is the same as FIGS. 6 to 10, and will be described based on these diagrams.
- YAG laser oscillator 15 force fiber 2 and YAG laser light 17 with a wavelength of 1064nm is introduced into the carriage head 16 with a converging lens 18 with a focal length of 200mm, and a lens from the focal position with power 1000W.
- the ceramic material that is the workpiece 19 is an alumina (Al 2 O 3) plate made of an oxide and the resin material that is the workpiece 20 PA12 Crystalline polyamide (East).
- the ceramic material of the workpiece 19 is positioned on the condenser lens 18 side.
- the ceramic material of the supported object 19 is a plate having a thickness of 3 mm
- the T-714H of the supported object 20 is a plate having a thickness of 2 mm.
- This ceramic resin-bonded portion 25 was characterized by having bubbles 23 (sphere equivalent diameter of about 0.01 to 2 mm) at and around the joint. When the joint strength and fracture state of the joint were examined, the fracture occurred in the base material portion of the resin material at the joint, and the tensile shear strength was 5 MPa or more.
- the bonding method according to the present invention it is possible to firmly bond a metal material, a glass material, or a ceramic material and a resin material. Also, by using a laser light source or ionizing radiation source as a heating source, (1) small joints can be created, (2) micron-order precision and fine bonding can be achieved, (3) Large area bonding is possible, (4) Bonding can be done in a short time, (5) Oxidation degradation of metal by adhesive may be suppressed, (6) From the metal material, glass material or ceramic material side There are many advantages such as being able to heat from the resin material side, and the freedom of design and material selection is increased, producing composites of metal, glass or ceramic and resin in the electronic equipment field, automobile field, etc. It is useful to do.
- the bonding strength between the metal material, the glass material or the ceramic material and the resin material is high, so that the thickness of each material is 1. Omm or more, or even 3. Omm or more thick. It can also be used to join materials together.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP06782449A EP1920906A4 (en) | 2005-09-01 | 2006-08-07 | METHOD FOR CONNECTING METAL AND RESIN AND METAL RESIN COMPOSITE, METHOD FOR CONNECTING GLASS AND RESIN AND GLASS-RESIN COMPOSITE MATERIAL AND METHOD FOR CONNECTING CERAMIC AND RESIN AND CERAMIC RESIN-COMPOSITE MATERIAL |
KR1020087007781A KR101246429B1 (ko) | 2005-09-01 | 2006-08-07 | 금속-수지 접합 방법 및 금속-수지 복합체, 유리-수지 접합방법 및 유리-수지 복합체, 및 세라믹-수지 접합 방법 및세라믹-수지 복합체 |
US12/065,584 US8168031B2 (en) | 2005-09-01 | 2006-08-07 | Method for metal-resin joining and a metal-resin composite, a method for glass-resin joining and a glass-resin composite, and a method for ceramic-resin joining and a ceramic-resin composite |
JP2007534290A JP4666532B2 (ja) | 2005-09-01 | 2006-08-07 | 金属樹脂接合方法及び金属樹脂複合体 |
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JP2005253318 | 2005-09-01 | ||
JP2005-253318 | 2005-09-01 | ||
JP2006144036 | 2006-05-24 | ||
JP2006-144059 | 2006-05-24 | ||
JP2006-144036 | 2006-05-24 | ||
JP2006144059 | 2006-05-24 |
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WO2007029440A1 true WO2007029440A1 (ja) | 2007-03-15 |
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PCT/JP2006/315607 WO2007029440A1 (ja) | 2005-09-01 | 2006-08-07 | 金属樹脂接合方法及び金属樹脂複合体、ガラス樹脂接合方法及びガラス樹脂複合体、並びにセラミック樹脂接合方法及びセラミック樹脂複合体 |
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US (1) | US8168031B2 (ja) |
EP (1) | EP1920906A4 (ja) |
JP (1) | JP4666532B2 (ja) |
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WO (1) | WO2007029440A1 (ja) |
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JP2009173023A (ja) * | 2007-12-25 | 2009-08-06 | Hayakawa Rubber Co Ltd | レーザー接合用シート及びそれを用いた接合方法 |
WO2009112011A2 (de) * | 2008-03-13 | 2009-09-17 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Verfahren zum herstellen eines 3-dimensionalen, polymerhaltiges material aufweisenden formkörpers sowie verfahren zur herstellung einer adhäsiven haftverbindung zwischen einem polymerhaltigen material und einem 3-dimensionalen formkörper |
JP2009269401A (ja) * | 2008-04-09 | 2009-11-19 | Okayama Prefecture | レーザ光を用いた接合方法 |
JP2010046831A (ja) * | 2008-08-19 | 2010-03-04 | Toyota Motor Corp | 樹脂と金属との接合方法および装置 |
JP2010076437A (ja) * | 2008-08-29 | 2010-04-08 | Toray Ind Inc | 熱可塑性樹脂組成物からなる成形体と金属の複合体の製造方法 |
US8518521B2 (en) | 2009-10-16 | 2013-08-27 | Aisin Seiki Kabushiki Kaisha | Composite molded article |
WO2013125664A1 (ja) * | 2012-02-24 | 2013-08-29 | 株式会社日立製作所 | レーザ接合方法 |
WO2014123022A1 (ja) * | 2013-02-05 | 2014-08-14 | 株式会社日立製作所 | レーザ接合装置及びレーザ接合方法 |
JP2016068465A (ja) * | 2014-09-30 | 2016-05-09 | マツダ株式会社 | 金属部材と樹脂部材との接合方法 |
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Also Published As
Publication number | Publication date |
---|---|
JP4666532B2 (ja) | 2011-04-06 |
EP1920906A4 (en) | 2010-10-06 |
JPWO2007029440A1 (ja) | 2009-03-26 |
US8168031B2 (en) | 2012-05-01 |
US20090252978A1 (en) | 2009-10-08 |
KR101246429B1 (ko) | 2013-03-21 |
KR20080041732A (ko) | 2008-05-13 |
EP1920906A1 (en) | 2008-05-14 |
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