WO2022224471A1 - 繊維強化プラスチック用溶接棒、及び繊維強化プラスチック用溶接棒を使用する溶接方法 - Google Patents
繊維強化プラスチック用溶接棒、及び繊維強化プラスチック用溶接棒を使用する溶接方法 Download PDFInfo
- Publication number
- WO2022224471A1 WO2022224471A1 PCT/JP2021/040718 JP2021040718W WO2022224471A1 WO 2022224471 A1 WO2022224471 A1 WO 2022224471A1 JP 2021040718 W JP2021040718 W JP 2021040718W WO 2022224471 A1 WO2022224471 A1 WO 2022224471A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fiber
- welding
- reinforced plastic
- thermoplastic
- welding rod
- Prior art date
Links
- 238000003466 welding Methods 0.000 title claims abstract description 173
- 239000011151 fibre-reinforced plastic Substances 0.000 title claims abstract description 142
- 229920002430 Fibre-reinforced plastic Polymers 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 139
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 139
- 239000000835 fiber Substances 0.000 claims abstract description 92
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 84
- 238000004023 plastic welding Methods 0.000 claims description 52
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 39
- 239000004917 carbon fiber Substances 0.000 claims description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 35
- 230000000694 effects Effects 0.000 claims description 21
- 238000004873 anchoring Methods 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 229920006231 aramid fiber Polymers 0.000 claims description 10
- 239000001913 cellulose Substances 0.000 claims description 10
- 229920002678 cellulose Polymers 0.000 claims description 10
- 239000002121 nanofiber Substances 0.000 claims description 10
- 229920001955 polyphenylene ether Polymers 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 6
- 239000002990 reinforced plastic Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract description 13
- 230000008018 melting Effects 0.000 abstract description 13
- 229920003023 plastic Polymers 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 12
- 238000005304 joining Methods 0.000 abstract description 5
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 26
- 238000012360 testing method Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 5
- 229920002647 polyamide Polymers 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 239000003733 fiber-reinforced composite Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000088 plastic resin Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000861914 Plecoglossus altivelis Species 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
- B29C65/12—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined and welding bar
-
- 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
- B29C65/40—Applying molten plastics, e.g. hot melt
- B29C65/42—Applying molten plastics, e.g. hot melt between pre-assembled parts
-
- 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
- B29C65/40—Applying molten plastics, e.g. hot melt
- B29C65/42—Applying molten plastics, e.g. hot melt between pre-assembled parts
- B29C65/425—Applying molten plastics, e.g. hot melt between pre-assembled parts characterised by the composition of the molten plastics applied between pre-assembled parts
-
- 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
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with 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
- 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
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
Definitions
- the present invention provides a fiber-reinforced plastic member containing the same fiber selected from carbon fiber, glass fiber, boron fiber, aramid fiber, polyethylene fiber, modified polyphenylene ether fiber, cellulose nanofiber, etc., for use in welding between fiber-reinforced plastic members.
- the present invention relates to a welding rod for plastics and a welding method using a welding rod for fiber-reinforced plastics.
- methods for joining plastics containing fibers include mechanical methods such as clamping, bonding methods using adhesives such as rubber, There are welding methods using ultrasonic waves, friction, and the like, and the welding methods include those using wave motion such as ultrasonic waves, high frequencies, or lasers as heat sources, those using friction such as frictional heat, and hot air. Alternatively, there is a type in which external heating by a hot plate is used as a heat source.
- Welding of natural resin and synthetic resin plastics is generally performed by using a welding rod having the same composition as the plastic, and while applying a suitable pressing force to the joint surface of the joint with the lower end of the welding rod, Using hot air as a heat source, the welding rod is melted and welded by advancing while filling the joint surface of the joint.
- fixing between fiber-reinforced plastic members such as carbon fiber, glass fiber, boron fiber, aramid fiber, polyethylene fiber, modified polyphenylene ether fiber, or cellulose nanofiber is generally performed by adhesion method or mechanical fixation such as tightening. Welding was not done in practice.
- Patent Document 1 discloses welding joints between carbon fiber reinforced plastics (CFRP) or between carbon fiber reinforced plastics (CFRP) and metal using a solid-state laser with a wavelength of 532 nm to 1080 nm.
- a laser welding method for fiber-reinforced composite materials in which a joint portion is filled with a filler material, and the filler material is irradiated with a laser beam to melt the filler material while performing laser welding, wherein the filler material is a thermoplastic resin, a thermosetting resin, or a mixture of a thermoplastic resin and a thermosetting resin, and a reinforcing material containing one or more selected from the group consisting of reinforced carbon fibers, reinforced glass, and whiskers;
- a method for laser welding fiber reinforced composites containing less than 80% by weight of said filler material out of 100% by weight is disclosed.
- Patent Document 2 describes a method for welding two polyamide plastics using a primer, wherein the primer contains at least one polymer synthesized from at least one maleic anhydride or a maleic anhydride derivative, a seam welding method. disclosed.
- Patent Document 3 the resin in the fiber-reinforced plastic welded portion is dissolved and removed to expose the reinforcing fibers, and the space where the fibers are exposed is filled with another reinforcing fiber, and then, or the fibers are welded to each other. Further, a method for welding fiber-reinforced plastics is disclosed in which molten resin is injected into the space and solidified to fix the fiber-reinforced plastics.
- a first welding material is supplied from a welding material supply pipe provided in a nozzle portion, and a gas is supplied from a gas supply portion to a hot air supply pipe in which a ceramic heater is built.
- the gas is heated to make hot air, the hot air is sent to a hot air discharge pipe connected to the hot air supply pipe, introduced into a hot air introduction pipe provided in the nozzle part and connected to the hot air discharge pipe, and supplied to the nozzle part.
- the first welding material is heated and pressed by jetting the hot air in the longitudinal direction from the front end to the rear end of the first welding material by the provided roller, and then the roller is pressed to the first welding material.
- the second welding material After returning to the tip of the second welding material, the second welding material is supplied so that the width direction partially overlaps on the first welding material, and the overlapping portion of the first welding material and the second welding material is While being melted by jetting the hot air, pressure is applied in the longitudinal direction from the front end to the rear end of the overlapped portion of the first welding material and the second welding material by the rollers provided in the nozzle portion. Then, the overlapping portions of the first welding material and the second welding material are crimped and integrated, and a cooling air is supplied from a cooling pipe provided in the nozzle portion to connect the first welding material and the second welding material.
- a method of welding resin, glass fiber reinforced plastic (GFRP), carbon fiber reinforced plastic (CFRP), or carbon materials is disclosed that cools the overlapping portion of the second weld material.
- the filler material is irradiated with a laser beam and melted, and the laser beam is generally irradiated to a spot of 1 mm or less, so as described in Patent Document 1, the laser
- the groove shape must be processed with high dimensional accuracy, the groove shape must be a mosaic joint that can be fitted instead of a straight joint, and laser welding equipment is expensive. There was a problem, and there was a problem that it was not practical.
- Patent Document 2 Since the invention of Patent Document 2 is based on the premise of seam welding as described in the specification of Patent Document 2, joints with undulations that are not suitable for seam welding equipment, or fine curves that continue in the left-right direction There is a problem that it is not practical because it cannot be applied to joints and its range of use is limited.
- Patent Document 3 has the problem that it is not practical because it is an extremely troublesome welding method of melting the resin of the base material, filling it with another reinforcing fiber, and injecting the molten resin.
- Patent Document 4 The invention of Patent Document 4 is described in paragraph 0034 of Patent Document 4 that the welding rod is of the same type as the material to be welded, and in paragraph 0035, in the case of carbon fibers, the welding rod needs to be 800 to 2000 to weld these fibers. It is described that welding cannot be performed unless the temperature is raised to about °C. Since it is difficult for a worker to weld a part heated to a high temperature of 2000°C, there was a problem that it could only be used for welding automation equipment suitable for mass production and not suitable for manual welding, which is often used for individual production. .
- the present invention was invented in view of these problems, and enables welding of fiber-reinforced plastic members even by a welding operation by a worker, and can weld joints having any shape of groove.
- thermoplastic fiber-reinforced plastic welding rod according to claim 1 is filled in a welded joint between thermoplastic fiber-reinforced plastic members, and melts the welding rod at the same time as the thermoplastic fiber-reinforced plastic member by hot air or a hot plate member.
- a welding rod for fiber-reinforced plastics that can be melted by the heating means of (1), wherein a mixture of fibers and a thermoplastic resin is formed into a rod shape, and the content of the fibers is 1 weight when the mixture is 100% by weight. % to 35% by weight or less.
- thermoplastic fiber-reinforced plastics according to claim 2 is characterized in that, in claim 1, the fibers are carbon fibers, glass fibers, boron fibers, aramid fibers, polyethylene fibers, modified polyphenylene ether fibers, and cellulose nanofibers. It is characterized by being either one of
- a welding method using the thermoplastic fiber-reinforced plastic welding rod according to claim 3 is a welding method between thermoplastic fiber-reinforced plastic members, wherein the thermoplastic resin of the thermoplastic fiber-reinforced plastic member as a base material and A welding rod selection step of selecting a welding rod for thermoplastic fiber reinforced plastic containing a thermoplastic resin that produces an anchoring effect and having a fiber content of 1% by weight or more to 35% by weight or less, and the thermoplastic fiber reinforcement The tip of the welding rod for plastic is applied to the joint surface of the joint between the thermoplastic fiber reinforced plastic members that are the base materials with an appropriate pressing force, and the thermoplastic fiber reinforced plastic is heated by hot air or a heating means of the hot plate member.
- thermoplastic resins contained in the welding rod and the thermoplastic fiber-reinforced plastic member are melted, and the joint surface of the joint portion is filled with the molten thermoplastic resin and the unmelted fibers, and the joint portion and a welding step of moving the tip portion of the welding rod for thermoplastic fiber-reinforced plastics along while pressing it against the joint surface of the joint portion.
- thermoplastic fiber-reinforced plastics has the effect that thermoplastic fiber-reinforced plastic members can be welded together by an inexpensive heating means such as hot air or a hot plate member.
- an inexpensive heating means such as hot air or a hot plate member.
- it can be welded with any groove shape, even if it is linear, curved, or uneven in plan view, and the dimensional accuracy of the groove shape can be improved.
- it does not require laser cutting and can be welded with dimensional precision machined with an NC router or general-purpose lathe. It can be welded and has the effect of obtaining the tensile strength of welding as a fiber-reinforced plastic product. Therefore, the welding rod for thermoplastic fiber-reinforced plastics of the present invention is practical.
- thermoplastic region of the tip of the welding rod for fiber-reinforced plastic and the thermoplastic region of the fiber-reinforced plastic member, which is the base material are melted at the joint location by hot air or an inexpensive means of heating the hot plate member.
- a mixed portion was formed between the base material and the welding rod, and a predetermined tensile strength could be obtained due to the anchoring effect of the thermoplastic resin and the fibers in the mixed portion.
- thermoplastic fiber-reinforced plastic welding rod according to claim 3 has the same effect as the thermoplastic fiber-reinforced plastic welding rod according to claim 1 or 2. Therefore, it has the effect of being practical as a welding method for thermoplastic fiber reinforced plastics.
- Welding using the welding rod for thermoplastic fiber-reinforced plastics of the present invention is effective in that it can be applied to welding performed by humans as well as welding automation equipment.
- Fig. 1 is a flow diagram of a welding method using the welding rod for thermoplastic fiber-reinforced plastics of the present invention. It is explanatory drawing which shows an example of embodiment of a welding method.
- JIS Z 3831: 2002 defines the test method and judgment criteria for the plastic welding technology test, and the types of test pieces are polyvinyl chloride, polypropylene, and high-density polyethylene with a tensile yield stress of 50 MPa or more. Only three types are specified. Since there is no provision for fiber-reinforced plastic welding, it indicates that fiber-reinforced plastic welding is generally not performed.
- thermoplastic fiber-reinforced plastic welding rod 4 of the present invention is filled in the welded joint between the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, and can be melted by hot air or a heating means (not shown) of the hot plate member.
- a welding rod 4 for fiber-reinforced plastics wherein a mixture of fibers and a thermoplastic resin is formed into a rod shape, and the content of the fibers is 1% by weight or more to 35% by weight when the mixture is 100% by weight. % or less.
- thermoplastic fiber-reinforced plastic welding rod 4 of the present invention welds the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, together by butt welding, T-shaped fillet welding, or L-shaped fillet welding. When fixing, it melts together with the base materials 5a and 5b, fills the joining surfaces of the joint portion, cools, and fixes the base materials 5a and 5b of the thermoplastic fiber reinforced plastic members to each other by the anchoring effect.
- the anchoring effect in the present invention refers to the thermoplastic resin containing the fibers of the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, and the heat flux containing the fibers of the thermoplastic fiber-reinforced plastic welding rod 4.
- the plastic resin melts almost simultaneously with the same heating means and solidifies after cooling, the fibers of the base material 5a, the base material 5b, and the thermoplastic fiber-reinforced plastic welding rod 4, the base material 5a, the base material It means that the material 5b and the respective thermoplastic resins of the welding rod 4 for thermoplastic fiber-reinforced plastic are mixed, and the base material 5a and the base material 5b are strongly connected.
- thermoplastic resin is firmly connected by entering fine irregularities on the joint surface of the joint part of the base materials 5a and 5b, and secondly, the fiber itself There are fine irregularities, and the thermoplastic resin enters into these irregularities to firmly connect them, or thirdly, the fibers of the thermoplastic fiber-reinforced plastic welding rod 4 stick into the joint surfaces of the base materials 5a and 5b.
- the fibers of the thermoplastic fiber-reinforced plastic welding rod 4 stick into the joint surfaces of the base materials 5a and 5b.
- thermoplastic fiber-reinforced plastic members which are the base materials 5a and 5b, will be described.
- the thermoplastic fiber-reinforced plastic member is a mixture of fiber and thermoplastic resin, and is a part made of thermoplastic fiber-reinforced plastic.
- the thermoplastic fiber reinforced plastic member for example, in the case of a thermoplastic carbon fiber reinforced plastic, has both light weight, high strength and high recyclability. , monocoque frames for automobiles, rotor blades for wind power generation, assist suits, etc.
- the fibers contained in the thermoplastic fiber reinforced plastic member are any one of carbon fiber, glass fiber, boron fiber, aramid fiber, polyethylene fiber, modified polyphenylene ether fiber and cellulose nanofiber, or at least One or more fibers.
- thermoplastic carbon fiber reinforced plastic member in which carbon is contained in the thermoplastic fiber reinforced plastic member as a fiber
- PAN-based carbon fiber the most used PAN-based carbon fiber, pitch-based carbon fiber or rayon-based carbon fiber
- rayon-based carbon fiber There are carbon fibers, but any of them will do.
- thermoplastic resin contained in the thermoplastic fiber-reinforced plastic member includes polyamide, polyester, polyphenylene sulfide, polyetheretherketone, polycarbonate, polyolefin, etc. Any thermoplastic resin may be used.
- thermoplastic fiber-reinforced plastic members which are the base materials 5a and 5b.
- the welding rod for thermoplastic fiber-reinforced plastic is formed by forming a mixture of fibers and a thermoplastic resin into a rod shape, and the content of the fibers is 1% by weight or more to 35% by weight when the mixture is 100% by weight. The following weight percentages are used.
- the fiber contained in the welding rod for thermoplastic fiber-reinforced plastic is any one or at least one of carbon fiber, glass fiber, boron fiber, aramid fiber, polyethylene fiber, modified polyphenylene ether fiber and cellulose nanofiber. more than one.
- the carbon fiber may be one type of PAN-based carbon fiber, pitch-based carbon fiber, or rayon-based carbon fiber, or may be one or more types.
- the types of fibers of the thermoplastic fiber-reinforced plastic welding rod 4 are preferably the same as the fibers contained in the base materials 5a and 5b.
- the fiber since the anchoring effect occurs even if the type of fiber contained in the base materials 5a and 5b is different, the fiber has an anchoring effect and satisfies the requirements that there is no quality problem as a product. If so, the fiber may be of a type different from that of the base materials 5a and 5b.
- thermoplastic fiber-reinforced plastic members containing carbon fiber were welded.
- aramid fibers, polyethylene fibers, modified polyphenylene ether fibers, and cellulose nanofibers the welding rod 4 for thermoplastic fiber-reinforced plastics of the present invention can be applied.
- thermoplastic resin contained in the thermoplastic fiber-reinforced plastic welding rod includes polyamide, polyester, polyphenylene sulfide, polyetheretherketone, polycarbonate, polyolefin, and the like.
- thermoplastic resins of the base materials 5a and 5b if the thermoplastic resin has a small difference in melting point when heated, the heat of the thermoplastic fiber-reinforced plastic welding rod 4 is increased by heating. Since the plastic resin and the thermoplastic resin of the base materials 5a and 5b melt almost simultaneously, the type of the thermoplastic resin of the base materials 5a and 5b and the type of the thermoplastic resin of the welding rod 4 for thermoplastic fiber reinforced plastics.
- a combination of the same type is preferable, but a combination of different types may be used as long as it satisfies the requirement that the anchoring effect is obtained.
- thermoplastic resin contained in the thermoplastic fiber-reinforced plastic member to be the base materials 5a and 5b and the type of thermoplastic resin contained in the thermoplastic fiber-reinforced plastic welding rod 4 are the same, for example, the base material
- the thermoplastic resin contained in the materials 5a and 5b is polyamide, and the thermoplastic resin contained in the thermoplastic fiber-reinforced plastic welding rod 4 is also polyamide.
- the thermoplastic resin contained in is polyvinyl chloride (melting point is 85° C. to 210° C.) and the thermoplastic resin contained in the thermoplastic fiber-reinforced plastic welding rod 4 is acrylic resin (melting point is 160° C.) Say.
- the mixing ratio of the fibers of the thermoplastic fiber-reinforced plastic welding rod 4 and the thermoplastic resin is determined by mixing the fibers contained in the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, with the thermoplastic resin. Regardless of the ratio, the mixture ratio is set so as to satisfy the tensile strength of the weld quality.
- the heating means for melting the thermoplastic fiber-reinforced plastic welding rod 4 and the thermoplastic fiber-reinforced plastic members that are the base materials 5a and 5b is heating means using hot air or a hot plate member.
- the heating means does not require laser beam irradiation, which requires expensive equipment, to melt the welding rod for plastic welding.
- Existing heating means can be used as they are.
- thermoplastic fiber reinforced plastics of the present invention In order to perform a tensile test using the welding rod 4 for thermoplastic fiber-reinforced plastics of the present invention, as a representative example, a welding rod 4 for thermoplastic carbon fiber-reinforced plastics containing carbon fiber (rod diameter 3 mm) is used.
- Table 1 shows the results of a tensile test at a tensile speed of 50 mm/min when two test pieces each having a width of 20 mm, a length of 30 mm, and a plate thickness of 2 mm were butt-welded.
- the average value indicates the average value of 3 experiments.
- the test piece used (corresponding to base material 5) had a carbon fiber content of the thermoplastic carbon fiber reinforced plastic member of 40% by weight when the thermoplastic carbon fiber reinforced plastic member was 100% by weight.
- the carbon fiber content in Table 1 is the carbon fiber content in the welding rod 4 for thermoplastic carbon fiber reinforced plastics.
- thermoplastic carbon fiber reinforced plastic members having a carbon fiber content of 40% by weight when the carbon fiber content of the thermoplastic carbon fiber reinforced plastic welding rod 4 is 0% by weight, heat Since the welding rod for plastic plastic melted earlier than the thermoplastic resin of the base material, a phenomenon occurred in which the two were not well mixed, and when the content of the carbon fiber was 10% by weight, the tensile strength is the largest at 49.8 MPa, and when the content of the carbon fiber is 20% by weight, the tensile strength is 42.3 MPa, which is slightly lower (about 15% lower than when it is 10% by weight), When the carbon fiber content is 30% by weight, the tensile strength is further reduced to 33.1 MPa (about 33% lower than when it is 10% by weight), and the carbon fiber content is the same as the base material. It is shown that when the content was 40% by weight, the tensile strength further decreased and became extremely small.
- thermoplastic fiber reinforced plastic members In general welding of fiber-free plastic members, the welding rod and the base material are melted while the tip of the welding rod is pressed against the joint surface of the joint. to fill.
- the carbon fiber content of the thermoplastic carbon fiber reinforced plastic welding rod is 0% by weight and the thermoplastic resin content is 100% by weight, the presence or absence of carbon fiber Since a large difference in melting temperature was caused only by the difference in temperature, the welding rod for thermoplastics melted too much earlier than the base metal, making welding extremely difficult.
- plastic welding which is commonly performed, uses a welding rod that has the same composition as the base material.
- a welding rod having the same composition as the base material which is generally performed, for example, when welding thermoplastic fiber reinforced plastic members in which the base material contains 40% by weight of carbon fiber, 40% by weight is used.
- the contained thermoplastic carbon fiber reinforced plastic welding rod 4 is used.
- the lower limit of the carbon fiber content of the welding rod 4 for thermoplastic carbon fiber reinforced plastic is set to 0% by weight, 10% by weight, 20% by weight, and 30% by weight when the experiment is conducted. Then, the tensile strength at 10% by weight was the maximum, and if the welding rod 4 for thermoplastic carbon fiber reinforced plastics contains even 1% carbon fiber, the melting point increases, and the base material 5 melts.
- the lower limit of the fiber content of the thermoplastic carbon fiber reinforced plastic welding rod 4 is made 1% by weight or more because the difference from the temperature becomes small.
- the upper limit of the carbon fiber content of the welding rod for thermoplastic carbon fiber reinforced plastics is set to 10% by weight, 20% by weight, 30% by weight, and 40% by weight.
- the tensile strength decreased as the carbon fiber content decreased, and the tensile strength at 30% by weight was about 33% lower than that at 10% by weight, and the tensile strength was extremely low when the carbon fiber content was 40% by weight. Therefore, it is set to 35% by weight.
- thermoplastic resin for the thermoplastic base material In conventional plastic welding, it is common sense and unwritten in the plastic welding industry that the type of thermoplastic resin for the thermoplastic base material and the type of thermoplastic resin for the welding rod should be the same. However, according to the present invention, even if the type of thermoplastic resin of the welding rod for thermoplastic fiber-reinforced plastic is different from the type of thermoplastic resin of the thermoplastic fiber-reinforced plastic member, any combination that produces an anchoring effect may be used. did.
- thermoplastic resin for the thermoplastic base material and the thermoplastic resin for the welding rod.
- the fiber content ratio of the welding rod should be the same as that of the base material. Since welding was not possible when welding was not possible, the present invention found that the content of fibers in the thermoplastic fiber-reinforced plastic welding rod was changed to a welding rod regardless of the content of fibers in the thermoplastic fiber-reinforced plastic member of the base material. It was assumed that the fiber content of
- the present invention can be applied to any type of fiber because the thermoplastic resin portion is melted without melting the fiber to generate an anchoring effect to fix the fiber.
- the fiber content of the thermoplastic fiber-reinforced plastic welding rod 4 is 1% by weight or more, when the thermoplastic fiber-reinforced plastic welding rod 4 is taken as 100% by weight. 35 wt % or less, preferably 3 wt % or more and 30 wt % or less.
- Table 1 shows that the tensile strength as welding strength was 33.1 to 49.8 MPa.
- JIS Z 3831: 2002 The pass/fail criteria for the tensile test of the welded part of plastic welding is the case of butt welding with a welding rod diameter of 3 mm, a test piece having a width of 20 mm, a length of 60 mm, and a plate thickness of 5 mm.
- the tensile strength at a tensile speed of 50 mm / min is specified as 30 MPa or more for polyvinyl chloride plates, 15 MPa or more for polypropylene plates, and 12 MPa or more for polyethylene plates, it is possible to obtain stronger tensile strength. did it.
- Table 2 shows the results of testing the tensile shear force in the case of a bonding method using an adhesive, which is commonly used to fix fiber-reinforced plastic members together.
- the test material was a thermoplastic carbon fiber reinforced plastic member with a joint area of 400 mm 2 , a test specimen width of 20 mm, a length of 60 mm, a thickness of 1 mm, and a tensile speed of 0.5 mm/min using a tabletop universal testing machine. .
- thermoplastic carbon fiber reinforced plastic of the present invention Welding using welding rods has been suggested to have sufficient tensile strength.
- thermoplastic fiber-reinforced plastic welding rod 4 of the present invention for fixing thermoplastic fiber-reinforced plastic members to each other is performed by heating to the melting point of the thermoplastic resin to be used to melt both thermoplastic resins. It is shown that welding can be performed regardless of the type of fiber because the anchoring effect is generated by melting and fixing by the non-melting fiber and the melted thermoplastic resin.
- the welding rod for thermoplastic fiber reinforced plastics of the present invention includes thermoplastic carbon fiber reinforced plastic, thermoplastic glass fiber reinforced plastic, thermoplastic boron fiber reinforced plastic, thermoplastic aramid fiber reinforced plastic, thermoplastic polyethylene fiber reinforced plastic, and thermoplastic.
- thermoplastic carbon fiber reinforced plastic thermoplastic glass fiber reinforced plastic
- thermoplastic boron fiber reinforced plastic thermoplastic aramid fiber reinforced plastic
- thermoplastic polyethylene fiber reinforced plastic thermoplastic polyethylene fiber reinforced plastic
- thermoplastic cellulose nanofiber reinforced plastic the type of fiber contained is carbon fiber, glass fiber, boron fiber, aramid fiber, polyethylene fiber, modified polyphenylene ether Welding can be performed by selecting at least one of fibers or cellulose nanofibers.
- thermoplastic fiber-reinforced plastic welding rod of the present invention is welding method 1 between thermoplastic fiber-reinforced plastic members, as shown in FIG. 1 or FIG.
- a thermoplastic fiber reinforced plastic welding rod 4 containing a thermoplastic resin of a thermoplastic fiber reinforced plastic member and a thermoplastic resin that produces an anchoring effect, and having a fiber content of 1% by weight or more to 35% by weight or less.
- step 2 of selecting a welding rod to be selected the tip of the thermoplastic fiber-reinforced plastic welding rod 4 is pressed against the joint surface of the joint between the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, with an appropriate pressing force.
- thermoplastic resin contained in the thermoplastic fiber-reinforced plastic welding rod 4 and the thermoplastic fiber-reinforced plastic members 5a and 5b is melted by hot air or a heating means (not shown) of a hot plate member, and the While filling the joint surface of the joint with molten thermoplastic resin and unmelted fibers, and along the joint, the tip of the thermoplastic fiber-reinforced plastic welding rod 4 is applied to the joint surface of the joint. and a welding step 3 that moves while being pressed.
- the welding rod selection step 2 contains the type of thermoplastic resin of the thermoplastic fiber reinforced plastic members that are the base materials 5a and 5b and the type of thermoplastic resin that produces the anchoring effect, and the content of any type of fiber.
- a welding rod 4 for thermoplastic fiber reinforced plastics is selected with an amount of 1% by weight or more and 35% by weight or less.
- thermoplastic fiber reinforced plastic welding rod 4 is filled in the welded joint between the thermoplastic fiber reinforced plastic members, which are the base materials 5a and 5b, and can be melted by hot air or hot plate member heating means.
- the rod 4 is a welding rod 4 made of a mixture of fiber and thermoplastic resin.
- the fiber content is from 1% by weight to 35% by weight.
- the fiber is any one, or at least one or more, of carbon fiber, glass fiber, boron fiber, aramid fiber, polyethylene fiber, modified polyphenylene ether fiber, and cellulose nanofiber.
- the type of fiber contained in the thermoplastic fiber-reinforced plastic welding rod 4 is preferably the same fiber as the base materials 5a and 5b, but even if the fiber is of a different type, the quality such as strength is the quality of the product. Any fiber that satisfies the criteria may be used.
- the heating means for the hot air or hot plate member may be any heating means as long as it can heat the thermoplastic resin so that it can be melted.
- thermoplastic resins contained in the thermoplastic fiber-reinforced plastic welding rod 4 may be any combination of thermoplastic resins having the anchoring effect. Sometimes.
- the tip portion of the thermoplastic fiber-reinforced plastic welding rod 4 is appropriately welded to the joining surface of the joint portion between the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b. is applied with a pressing force of , and the thermoplastic resin of the thermoplastic fiber reinforced plastic member of the thermoplastic fiber reinforced plastic welding rod 4 and the base materials 5a and 5b is melted by hot air or a heating means of a hot plate member. While forming a melted portion 8, the joining surface of the joint portion is filled with molten thermoplastic resin and unmelted fibers, and moved in the direction of arrow H along the joint portion. A clean bead 9 is formed on the trace of movement.
- the tip portion of the welding rod 4 for thermoplastic fiber-reinforced plastics is brought into contact with the joint surface of the joint portion between the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, with an appropriate pressing force. If the melt is not brought into contact with the joint surface of the joint portion, the joint surface of the joint portion will not be filled, and quality defects such as pinholes are likely to occur.
- the moderate pressing force may be a pressing force that allows the tip portion of the thermoplastic fiber-reinforced plastic welding rod 4 to keep contacting the joint surface of the joint portion while advancing along the joint portion.
- thermoplastic resin at the tip of the thermoplastic fiber-reinforced plastic welding rod 4 and the thermoplastic resin at the joint surface of the joint portion of the thermoplastic fiber-reinforced plastic members, which are the base materials 5a and 5b, are welded, for example.
- the thermoplastic resin is melted by hot air jetted from the tip 6a of the gun 6 at a temperature at which only the thermoplastic resin is melted, and the joint surface of the joint portion is filled with the melted thermoplastic resin and the unmelted fibers.
- thermoplastic resin of the thermoplastic fiber-reinforced plastic welding rod By melting the thermoplastic resin of the thermoplastic fiber-reinforced plastic welding rod and the thermoplastic fiber-reinforced plastic members that are the base materials 5a and 5b, an anchoring effect is generated, so that the tensile strength, which is the welding strength, is increased. Secured.
- Welding method 1 using the welding rod for thermoplastic fiber-reinforced plastics of the present invention applies the same temperature to welding of the thermoplastic fiber-reinforced plastic members as conventional welding of fiber-free plastic members. Since the temperature is sufficient, the welding operation can be performed by a person and can be performed with welding equipment. 2, there is also the effect that a joint having a substantially straight simple shape may be used.
- Welding method 2 Welding rod selection step 3
- Welding step 4 Welding rod 5
- Base material 6 Welding gun 6a Tip part 8 Fusion part 9 Bead H Direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
2 溶接棒選択ステップ
3 溶接ステップ
4 溶接棒
5 母材
6 溶接ガン
6a 先端部
8 溶融部
9 ビード
H 方向
Claims (3)
- 熱可塑性繊維強化プラスチック部材同士の溶接継手に充填され、前記熱可塑性繊維強化プラスチック部材と同時に溶接棒も溶融する、熱風又は熱板部材の加熱手段により溶融可能な繊維強化プラスチック用溶接棒であって、
繊維と熱可塑性樹脂との混合物を棒状に形成し、
前記繊維の含有量を、前記混合物を100重量%としたときの1重量%以上~35重量%以下とすることを特徴とする熱可塑性繊維強化プラスチック用溶接棒。 - 前記繊維が、炭素繊維、ガラス繊維、ボロン繊維、アラミド繊維、ポリエチレン繊維、変性ポリフェニレンエーテル繊維及びセルロースナノファイバーの内のいずれか一つであることを特徴とする請求項1に記載の熱可塑性繊維強化プラスチック用溶接棒。
- 熱可塑性繊維強化プラスチック部材同士の溶接方法であって、
母材である熱可塑性繊維強化プラスチック部材の熱可塑性樹脂とアンカーリング効果を生ずる熱可塑性樹脂を含有し、繊維の含有量を1重量%以上~35重量%以下とする熱可塑性繊維強化プラスチック用溶接棒を選択する溶接棒選択ステップと、
前記熱可塑性繊維強化プラスチック用溶接棒の先端部を、母材である熱可塑性繊維強化プラスチック部材同士の継手部の接合面に適度の押付力で当て、熱風又は熱板部材の加熱手段により前記熱可塑性繊維強化プラスチック用溶接棒及び前記熱可塑性繊維強化プラスチック部材がそれぞれ含有する熱可塑性樹脂のみを溶融させて、前記継手部の接合面を溶融した熱可塑性樹脂及び溶融していない繊維で充填させながら、かつ前記継手部に沿って前記熱可塑性繊維強化プラスチック用溶接棒の先端部を前記継手部の接合面に押付ながら移動する溶接ステップと、を備えることを特徴とする熱可塑性繊維強化プラスチック用溶接棒を使用する溶接方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21937961.7A EP4282626A1 (en) | 2021-04-19 | 2021-11-05 | Welding rod for fiber-reinforced plastic and welding method using welding rod for fiber-reinforced plastic |
US18/549,265 US20240149535A1 (en) | 2021-04-19 | 2021-11-05 | Welding rod for fiber reinforced plastic and welding method using welding rod for fiber reinforced plastic |
CN202180097259.0A CN117222515A (zh) | 2021-04-19 | 2021-11-05 | 纤维强化塑料用焊条和使用纤维强化塑料用焊条的焊接方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021070277A JP6935962B1 (ja) | 2021-04-19 | 2021-04-19 | 繊維強化プラスチック用溶接棒、及び繊維強化プラスチック用溶接棒を使用する溶接方法 |
JP2021-070277 | 2021-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022224471A1 true WO2022224471A1 (ja) | 2022-10-27 |
Family
ID=77657922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/040718 WO2022224471A1 (ja) | 2021-04-19 | 2021-11-05 | 繊維強化プラスチック用溶接棒、及び繊維強化プラスチック用溶接棒を使用する溶接方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240149535A1 (ja) |
EP (1) | EP4282626A1 (ja) |
JP (1) | JP6935962B1 (ja) |
CN (1) | CN117222515A (ja) |
WO (1) | WO2022224471A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1132766A (en) * | 1966-06-23 | 1968-11-06 | Turner & Brown Ltd | Improvements in or relating to the fabrication of fire-resistant articles from sheet materials |
JPS511266B2 (ja) | 1972-01-07 | 1976-01-16 | ||
JPH11335653A (ja) * | 1998-05-22 | 1999-12-07 | Tonen Kagaku Kk | ポリアリーレンスルフィド成形体用溶接棒 |
JP2011056583A (ja) * | 2010-09-21 | 2011-03-24 | Muneharu Kutsuna | 複合材料のレーザ加工法 |
JP5883235B2 (ja) | 2011-05-16 | 2016-03-09 | 寿一 吉川 | 樹脂、ガラス繊維強化プラスチック(gfrp)、炭素繊維強化プラスチック(cfrp)、又は炭素素材の溶接方法 |
JP2018535850A (ja) | 2015-10-16 | 2018-12-06 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA | 2つのポリアミドプラスチックの溶接方法 |
-
2021
- 2021-04-19 JP JP2021070277A patent/JP6935962B1/ja active Active
- 2021-11-05 CN CN202180097259.0A patent/CN117222515A/zh active Pending
- 2021-11-05 EP EP21937961.7A patent/EP4282626A1/en active Pending
- 2021-11-05 WO PCT/JP2021/040718 patent/WO2022224471A1/ja active Application Filing
- 2021-11-05 US US18/549,265 patent/US20240149535A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1132766A (en) * | 1966-06-23 | 1968-11-06 | Turner & Brown Ltd | Improvements in or relating to the fabrication of fire-resistant articles from sheet materials |
JPS511266B2 (ja) | 1972-01-07 | 1976-01-16 | ||
JPH11335653A (ja) * | 1998-05-22 | 1999-12-07 | Tonen Kagaku Kk | ポリアリーレンスルフィド成形体用溶接棒 |
JP2011056583A (ja) * | 2010-09-21 | 2011-03-24 | Muneharu Kutsuna | 複合材料のレーザ加工法 |
JP5523260B2 (ja) | 2010-09-21 | 2014-06-18 | 宗春 沓名 | 繊維強化複合材料のレーザ溶接方法 |
JP5883235B2 (ja) | 2011-05-16 | 2016-03-09 | 寿一 吉川 | 樹脂、ガラス繊維強化プラスチック(gfrp)、炭素繊維強化プラスチック(cfrp)、又は炭素素材の溶接方法 |
JP2018535850A (ja) | 2015-10-16 | 2018-12-06 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA | 2つのポリアミドプラスチックの溶接方法 |
Also Published As
Publication number | Publication date |
---|---|
CN117222515A (zh) | 2023-12-12 |
US20240149535A1 (en) | 2024-05-09 |
EP4282626A1 (en) | 2023-11-29 |
JP6935962B1 (ja) | 2021-09-15 |
JP2022165086A (ja) | 2022-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Jiao et al. | Laser direct joining of CFRTP and aluminium alloy with a hybrid surface pre-treating method | |
Arici et al. | Effects of double passes of the tool on friction stir welding of polyethylene | |
FI109886B (fi) | Kitkasekoitushitsaus | |
Villegas | Ultrasonic welding of thermoplastic composites | |
JP4071417B2 (ja) | 溶接方法および装置 | |
JP2712838B2 (ja) | 摩擦溶接方法 | |
Acherjee et al. | Selection of process parameters for optimizing the weld strength in laser transmission welding of acrylics | |
Prabhakaran et al. | Contour laser–laser-transmission welding of glass reinforced nylon 6 | |
JP5523260B2 (ja) | 繊維強化複合材料のレーザ溶接方法 | |
EP1315593A1 (en) | Friction stir welding of polymeric materials | |
Li et al. | Ultrasonic welding of fiber-reinforced thermoplastic composites: A review | |
US8591693B2 (en) | Method for joining components | |
JP2011056583A5 (ja) | ||
Węglowska et al. | Influence of the welding parameters on the structure and mechanical properties of vibration welded joints of dissimilar grades of nylons | |
Wang et al. | Influence of different micro-pattern types on interface characteristic and mechanical property of CFRTP/aluminum alloy laser bonding joint | |
WO2022224471A1 (ja) | 繊維強化プラスチック用溶接棒、及び繊維強化プラスチック用溶接棒を使用する溶接方法 | |
Lambiase et al. | Feasibility of friction stir joining of polycarbonate to CFRP with thermosetting matrix | |
Tondi et al. | Comparative potential of alternative wood welding systems, ultrasonic and microfriction stir welding | |
CN110126283A (zh) | 一种用于热塑性复合材料对接结构的激光填丝焊接方法与装备 | |
CN102489843A (zh) | 一种单边v型坡口接头根部打底焊缝的焊接方法 | |
Schneider et al. | Laser Cutting and Joining in a Novel Process Chain for Fibre Reinforced Plastics | |
JPS6389329A (ja) | 繊維強化熱可塑性合成樹脂部材及びその溶融接合継手の製造方法 | |
Seidlitz et al. | Advanced joining technology for the production of highly stressable lightweight structures, with fiber-reinforced plastics and metal | |
CN113547753A (zh) | 一种塑料的激光焊接方法 | |
Boldrin et al. | High speed videography of gap bridging with beam oscillation and wire feeding during the laser welding of stainless steel and aluminum alloys |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21937961 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021937961 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18549265 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2021937961 Country of ref document: EP Effective date: 20230823 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180097259.0 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |