CN113334804A - Fiber-reinforced metal laminate liquid medium curing and forming process - Google Patents
Fiber-reinforced metal laminate liquid medium curing and forming process Download PDFInfo
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- CN113334804A CN113334804A CN202110740636.XA CN202110740636A CN113334804A CN 113334804 A CN113334804 A CN 113334804A CN 202110740636 A CN202110740636 A CN 202110740636A CN 113334804 A CN113334804 A CN 113334804A
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
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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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a fiber reinforced metal laminate liquid medium curing and forming process, which relates to the technical field of composite material forming processes and comprises the following steps: initializing, installing and debugging a die, and preparing a composite material blank; injecting a liquid medium into the mold cavity; placing the composite material blank on the upper surface of the lower template, and then descending the upper template until the upper template is contacted with the upper surface of the composite material blank; pressurizing the liquid medium to generate pressure, descending the upper template to form pressure on the composite material blank, and heating the liquid medium to a certain temperature; continuously heating the liquid medium, continuously applying blank pressing pressure to the upper template, continuously applying liquid chamber pressure to the liquid medium, and tightly attaching the composite material blank to the surface of the upper template cavity for curing under the pressure action of the high-temperature fluid medium; the invention has the advantages of reducing the process difficulty and improving the qualification rate.
Description
Technical Field
The invention relates to the technical field of composite material forming processes, in particular to a fiber reinforced metal laminate liquid medium curing forming process.
Background
The fiber reinforced metal laminate as an interlayer hybrid composite material formed by alternately paving metal plates and fiber reinforced resin has the characteristics of light weight, high specific strength and specific stiffness, designability and functionalization. At present, various parts processed by taking a fiber reinforced metal laminate as a raw material are widely applied to the fields of aerospace and the like, and a tube and plate forming process is an important means for producing aviation products. In the fields of aviation, aerospace, weaponry and the like, in order to ensure the stability and mechanical properties of components in high-temperature and high-strength load environments, most components have complex space structures as large-scale integral components. However, the bonding performance between the layers of the fiber reinforced metal laminate is changed after the fiber reinforced metal laminate is cured, the cured resin material is brittle, and the resin is cracked in the process of continuous forming, so that the major defect that the overall performance of the laminate is influenced is overcome. The existing manufacturing process of the fiber reinforced metal laminate part is to form an integral shape and then carry out vacuum curing or autoclave integral curing.
The traditional curing process has the defects of long production period, high curing cost, uneven internal quality, high rejection rate and the like when the fiber reinforced metal laminate member is manufactured, and the product quality of the fiber reinforced metal laminate member is seriously influenced. The autoclave occupies a large area, has a long production period and is expensive, a formed part needs to be conveyed to the autoclave from a processing forming part and is prepared for curing when a curing process is carried out, a local curing phenomenon is easy to occur in the conveying process, the integral curing of the fiber metal laminate is not uniform, and the physical property is difficult to meet the use requirement. In order to overcome the defects of the curing process, the prior art also proposes that a gas medium is contacted with a composite material, the composite material is hot-pressed and molded by filling gas and heating the gas, but the kinetic energy of gas molecules is increased after the gas is heated, the molecular activity is intensified, the internal quality is uneven, the hot pressing of the composite material is possibly larger, the defects of rebounding, deformation, wrinkling, cracking and the like are easily caused in the molding process, and the molding quality is influenced, so the control requirements on the heating temperature and the gas pressure are high, the process difficulty is high, and the rejection rate is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fiber reinforced metal laminate liquid medium curing and forming process, so as to achieve the effects of reducing the process difficulty and improving the qualification rate.
In order to solve the technical problems, the invention adopts the following technical scheme:
a fiber reinforced metal laminate liquid medium solidification forming process comprises the following steps:
step S1: a preparation stage: initializing, installing and debugging a die, and preparing a composite material blank;
step S2: initial liquid filling stage: making the upper template of the mould go upwards, and injecting a liquid medium into the cavity of the lower template of the mould;
step S3: placing and die assembling: putting the composite material blank on the upper surface of the lower template, then descending the upper template until the upper template is contacted with the upper surface of the composite material blank, and applying corresponding pressure;
step S4: a primary pressurizing stage: pressurizing the liquid medium to generate a certain pressure, continuously descending the upper template to form a certain pressure on the composite material blank, fixing the composite material blank, and heating the liquid medium to a certain temperature;
step S5: and (3) high-temperature pressurizing and curing stage: continuously heating the liquid medium, continuously applying blank pressing pressure to the upper template, continuously applying liquid chamber pressure to the liquid medium, and tightly attaching the composite material blank to the surface of the upper template cavity for curing under the pressure action of the high-temperature fluid medium;
step S6: cooling, pressure relief and demolding: and (3) performing cold cutting on the die, cooling the liquid medium to room temperature, discharging the liquid medium, moving the upper template upwards, taking out the formed piece, and cutting off the process supplement surface to obtain the final formed piece.
Preferably, the mould still includes the base, and the lower bolster setting is provided with a plurality of guide pillars on the base, and lower bolster and cope match-plate pattern all are located between the guide pillar, and the guide pillar top is provided with the fixing base, and the fixing base bottom is connected with the press, and the press bottom is connected with the pressure head, and the pressure head is run through in the equal activity of a plurality of guide pillars, and the cope match-plate pattern setting is in the pressure head bottom.
Preferably, the fixing seat and the base are connected with the guide pillar through bolts.
Preferably, a plurality of heating rods are arranged in the lower template and the upper template.
Preferably, the lower template is connected with a high-pressure pipeline, and the high-pressure pipeline is communicated with the cavity of the lower template.
Preferably, an exhaust hole is formed in the upper template, one end of the exhaust hole is communicated with the outside, and the other end of the exhaust hole is communicated with the upper template cavity.
Preferably, in step S1, the surface of the mold needs to be wiped clean when the mold is initially installed and debugged, and the inner and outer surfaces of the composite material billet need to be wiped clean when the composite material billet is prepared.
Preferably, in step S2, when the liquid medium is injected into the lower template cavity of the mold, the liquid medium fills the lower template cavity without overflowing.
The invention has the beneficial effects that:
the invention forms a certain pressure environment at the forming position of the composite material blank by the liquid medium, heats and presses at the same time, the edge pressing force of the upper template is matched with the curing pressure, and finally the primarily formed part is cured to obtain the final formed part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a mold used in the process of the present invention;
FIG. 2 is a schematic view of the mold configuration during the set-up and clamp phases of the process of the present invention;
FIG. 3 is a schematic view of the mold structure during the high temperature press cure stage of the process of the present invention;
FIG. 4 is a graph of the relationship of hold-down pressure to liquid chamber pressure during the high temperature press cure stage of the process of the present invention.
Reference numerals:
1-upper template, 2-lower template, 3-base, 4-guide post, 5-fixing seat, 6-press, 7-pressure head, 8-heating rod, 9-high pressure pipeline, 10-vent hole and 11-composite material blank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
As shown in fig. 1 to 4, the present embodiment provides a liquid medium solidification molding process for fiber reinforced metal laminate, comprising the following steps:
step S1: a preparation stage: initializing, installing and debugging a die, and preparing a composite material blank 11;
step S2: initial liquid filling stage: an upper template 1 of the mould is made to move upwards, and a liquid medium is injected into a cavity of a lower template 2 of the mould;
step S3: placing and die assembling: putting the composite material blank 11 on the upper surface of the lower template 2, then descending the upper template 1 until contacting with the upper surface of the composite material blank 11, and applying corresponding pressure;
step S4: a primary pressurizing stage: pressurizing the liquid medium to generate a certain pressure, continuously descending the upper template 1 to form a certain pressure on the composite material blank 11, fixing the composite material blank 11, and heating the liquid medium to a certain temperature;
step S5: and (3) high-temperature pressurizing and curing stage: continuously heating the liquid medium, continuously applying blank pressing pressure to the upper template 1, continuously applying liquid chamber pressure to the liquid medium, and tightly attaching the composite material blank 11 to the surface of the cavity of the upper template 1 under the pressure action of the high-temperature fluid medium for curing;
step S6: cooling, pressure relief and demolding: and (3) performing cold cutting on the die, cooling the liquid medium to room temperature, discharging the liquid medium, moving the upper die plate 1 upwards, taking out the formed piece, and cutting off the process supplement surface to obtain the final formed piece.
In the embodiment, a certain pressure environment is formed at the forming part of the composite material blank 11 through a liquid medium, heating and pressurizing are carried out at the same time, the edge pressing force of the upper template 1 is matched with the curing pressure, and finally the primarily formed part is cured to obtain a final formed part.
It should be noted that, in the high-temperature pressure curing stage in step S5, the blank-pressing pressure and the liquid chamber pressure are continuously pressurized according to the pressure relationship curve (as shown in fig. 4), i.e. the loading path of the forming pressure is provided, the blank-pressing pressure loading path of the upper die plate 1 is provided in the forming process, the pressure of the upper die plate 1 before the liquid chamber is initially loaded is set to be smaller, and when the high-temperature liquid medium initially enters the forming chamber and begins to form, the relative sliding between the metal and the fiber layer is facilitated, so as to facilitate forming, and as the pressure of the liquid chamber increases, the blank-pressing pressure of the upper die plate 1 also needs to be increased to ensure that the pressure of the upper die plate 1 is greater than the back-expansion pressure of the liquid chamber, so as to ensure that the metal and the fiber layer.
It should be further noted that in step S1, the composite material blank 1111 may be a plate or a tube; in step S2, the liquid medium is injected into the liquid chamber of the lower template 2 and is supposed to be in an observable state, and the liquid medium may be a high-temperature liquid medium or a normal-temperature liquid medium; in step S4, the liquid medium heating temperature should be above the resin modification initiation temperature and within the resin curing temperature; in step S5, the relationship between the edge pressure and the liquid chamber pressure is set according to the characteristics of each layer of the fiber-reinforced metal laminate; in step S6, the pressure relief needs to be performed without fluctuation in the internal pressure of the liquid chamber.
Specifically, the die further comprises a base 3, the lower die plate 2 is arranged on the base 3, a plurality of guide pillars 4 are arranged on the base 3, the lower die plate 2 and the upper die plate 1 are located between the guide pillars 4, the top of each guide pillar 4 is provided with a fixing seat 5, the bottom of each fixing seat 5 is connected with a press 6, the bottom of each press 6 is connected with a press head 7, the guide pillars 4 penetrate through the press heads 7 in an all-movable mode, and the upper die plate 1 is arranged at the bottom of each press head 7.
During operation, the press 6 can drive the pressure head 7 and the upper die plate 1 to move down integrally, so that die assembly operation is performed, the guide pillar 4 plays a role in stably guiding the pressure head 7, automatic control and stable operation are realized, operation and control are facilitated, and work efficiency is improved.
Specifically, fixing base 5 and base 3 all are connected through bolt and guide pillar 4, convenient to detach and equipment to conveniently change the mould of recombining different specifications, improve the utilization ratio.
Specifically, a plurality of heating rods 8 are arranged in the lower template 2 and the upper template 1, the heating rods 8 can be electrically connected with a temperature controller (not shown in the figure), and the heating rods can automatically heat and control the temperature, so that the requirements of the forming process are met.
Specifically, lower bolster 2 is connected with high-pressure line 9, and high-pressure line 9 communicates with the die cavity of lower bolster 2, and high-pressure line 9 is used for letting in highly compressed liquid medium, and high-pressure line 9 can be connected externally with booster water pump (not drawn in the figure), and booster water pump leads to pipe and connects the water source, is equipped with the manometer on the booster water pump, and the accurate control of being convenient for is to the pressurization pressure of liquid medium to adapt to the molding process demand.
Specifically, an exhaust hole 10 is formed in the upper template 1, one end of the exhaust hole 10 is communicated with the outside, and the other end of the exhaust hole 10 is communicated with the cavity of the upper template 1, so that gas in the cavity of the upper template 1 is discharged in the forming process, and pressure balance is guaranteed.
Specifically, in step S1, the surface of the mold needs to be wiped clean when the mold is initially set up, and the inner and outer surfaces of the composite material preform 11 need to be wiped clean when the composite material preform 11 is prepared, so as to prevent impurities from contaminating the liquid medium.
Specifically, in step S2, when the liquid medium is injected into the cavity of the lower template 2 of the mold, the liquid medium fills the cavity of the lower template 2 and does not overflow.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A fiber reinforced metal laminate liquid medium solidification forming process is characterized by comprising the following steps:
step S1: a preparation stage: initializing, installing and debugging a die, and preparing a composite material blank;
step S2: initial liquid filling stage: making the upper template of the mould go upwards, and injecting a liquid medium into the cavity of the lower template of the mould;
step S3: placing and die assembling: putting the composite material blank on the upper surface of the lower template, then descending the upper template until the upper template is contacted with the upper surface of the composite material blank, and applying corresponding pressure;
step S4: a primary pressurizing stage: pressurizing the liquid medium to generate a certain pressure, continuously descending the upper template to form a certain pressure on the composite material blank, fixing the composite material blank, and heating the liquid medium to a certain temperature;
step S5: and (3) high-temperature pressurizing and curing stage: continuously heating the liquid medium, continuously applying blank pressing pressure to the upper template, continuously applying liquid chamber pressure to the liquid medium, and tightly attaching the composite material blank to the surface of the upper template cavity for curing under the pressure action of the high-temperature fluid medium;
step S6: cooling, pressure relief and demolding: and (3) performing cold cutting on the die, cooling the liquid medium to room temperature, discharging the liquid medium, moving the upper template upwards, taking out the formed piece, and cutting off the process supplement surface to obtain the final formed piece.
2. The process of claim 1, wherein the mold further comprises a base, the lower mold plate is disposed on the base, the base is provided with a plurality of guide pillars, the lower mold plate and the upper mold plate are both disposed between the guide pillars, the tops of the guide pillars are provided with fixed seats, the bottoms of the fixed seats are connected with a press, the bottom of the press is connected with a press head, the guide pillars are movably penetrated through the press head, and the upper mold plate is disposed at the bottom of the press head.
3. The process of claim 2, wherein the fixing base and the base are connected to the guide pillar by a bolt.
4. The process for solidifying and forming the liquid medium of the fiber reinforced metal laminate according to claim 2, wherein a plurality of heating rods are arranged in the lower template and the upper template.
5. The solidification and molding process of the liquid medium for the fiber reinforced metal laminate as claimed in claim 1 or 4, wherein the lower template is connected with a high pressure pipeline, and the high pressure pipeline is communicated with a cavity of the lower template.
6. The process for solidifying and forming the fiber reinforced metal laminate liquid medium according to claim 1 or 4, wherein the upper template is internally provided with an exhaust hole, one end of the exhaust hole is communicated with the outside, and the other end of the exhaust hole is communicated with the upper template cavity.
7. The process of claim 1, wherein in step S1, the mold is initially set up and cleaned by wiping the surfaces of the mold, and the composite material blank is prepared by wiping the inner and outer surfaces of the composite material blank.
8. The process of claim 1, wherein in step S2, when the liquid medium is injected into the cavity of the lower plate of the mold, the liquid medium fills the cavity of the lower plate and does not overflow the cavity of the lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740636.XA CN113334804A (en) | 2021-06-30 | 2021-06-30 | Fiber-reinforced metal laminate liquid medium curing and forming process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110740636.XA CN113334804A (en) | 2021-06-30 | 2021-06-30 | Fiber-reinforced metal laminate liquid medium curing and forming process |
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| CN113334804A true CN113334804A (en) | 2021-09-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054574A (en) * | 2021-10-25 | 2022-02-18 | 成都飞机工业（集团）有限责任公司 | Thin-wall T-shaped rib characteristic local reinforcement forming method based on flexible liquid filling |
| CN114179395A (en) * | 2021-12-07 | 2022-03-15 | 北京航空航天大学 | Vacuum-assisted fiber-reinforced metal laminate flexible medium liquid-charging forming method and device |
| CN114368166A (en) * | 2021-11-24 | 2022-04-19 | 南通广亚新材料科技有限公司 | Autoclave production process for carbon fiber composite material |
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| US5261993A (en) * | 1992-06-08 | 1993-11-16 | Airtech International Inc. | Means for bonding shaped parts of composites or other materials |
| US20080277049A1 (en) * | 2005-09-26 | 2008-11-13 | Roebroeks Geerardus Hubertus J | Method and Device for Adhering Components to a Composite Molding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054574A (en) * | 2021-10-25 | 2022-02-18 | 成都飞机工业（集团）有限责任公司 | Thin-wall T-shaped rib characteristic local reinforcement forming method based on flexible liquid filling |
| CN114368166A (en) * | 2021-11-24 | 2022-04-19 | 南通广亚新材料科技有限公司 | Autoclave production process for carbon fiber composite material |
| CN114179395A (en) * | 2021-12-07 | 2022-03-15 | 北京航空航天大学 | Vacuum-assisted fiber-reinforced metal laminate flexible medium liquid-charging forming method and device |
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Application publication date: 20210903 |