Manufacturing system

Abstract

The invention relates to at least one fiber (2) used in a composite material, a solution (C) containing a transition metal, at least one barrier coating unit (3) that enables the fiber (2) to be surrounded by the solution (C) by using a dipping and / or spray coating method, thereby protecting the fiber (2) from chemical and / or physical impacts, at least one precipitation unit (4) that enables graphene and / or graphene-based nanoribbons to be bonded by using a chemical vapor deposition method with the transition metal that is arranged at regular intervals on the fiber (2), thus allowing the graphene and / or graphene-based nanoribbons to adhere to the fiber (2), and at least one iron coating unit (5) that enables iron-based nanoparticles to be applied onto the fiber (2) by using a dipping and / or spray coating method.

Description

Technical Field

[0001] The present invention relates to a manufacturing system for manufacturing fibers having a radar absorption function with oriented nano materials.

Background Art

[0002] Radar is a technology used to detect and track aircraft. It ensures that electromagnetic waves are transmitted into the atmosphere and reflected from the aircraft to the receiver. The image of the aircraft on the radar screen is called the "radar cross-section". A larger radar cross-section makes it possible to easily detect an object. The main way to make an aircraft invisible is to prevent the radio waves sent by the radar transmitter from bouncing back to the receiving antenna by bouncing back off the target. Radar absorbing materials are designed to absorb radio frequency radiation (non-ionizing radiation), which is electromagnetic radiation, as effectively as possible. The operating principle of radar absorbing materials is based on impedance matching or attenuation of electromagnetic waves entering the material by utilizing the properties of magnetic materials and dielectric materials.

[0003] U.S. Patent Document US20170240425 included in the known state of the art describes a surface treatment method for synthesizing carbon nanotubes (CNTs) on a fiber material. It describes applying a barrier coating and a transition metal on the fiber and growing carbon nanotubes (CNTs) on the transition metal.

[0004] Turkish Patent Document TR2020 / 09516 included in the known state of the art describes a radar absorption structure based on oriented nano materials. The structure consists of a multi-layer nanocomposite. A barrier coating that enhances the strength of the fiber has a graphene-based nanoribbon with conductivity on the barrier coating. In addition, the radar absorption characteristics are enhanced by iron-based nanoparticles (iron-based nanoparticles) therein.

Summary of the Invention

[0005] Thanks to the manufacturing system according to the present invention, the length and / or density of graphene-based nanoribbons applied to fibers by chemical vapor deposition can be controlled. Thus, effective material characterization can be achieved.

[0006] Another object of the present invention is to produce radar-absorbing fibers using oriented nanomaterials in aerospace standards. These radar-absorbing fibers will enable mass production of aircraft on a real scale.

[0007] To achieve the objectives of the present invention, a manufacturing system realized and defined in the first claim and any other claims dependent thereon comprises: at least one fiber to be used in a composite material; a solution containing a transition metal; at least one barrier coating unit enabling the fiber to be coated with the solution by dipping and / or spray coating, thereby protecting the surface of the fiber from chemical and / or physical impact; at least one deposition unit enabling graphene and / or graphene-based nanoribbons to be bonded to the transition metal, which is arranged at regular intervals on the fiber, by chemical vapor deposition (CVD), thereby enabling the graphene and / or graphene-based nanoribbons to adhere to the fiber; and at least one iron coating unit enabling the application of iron-based nanoparticles onto the fiber by dipping and / or spray coating.

[0008] The manufacturing system according to the present invention comprises at least one moving element that enables the fiber to move along the direction in which the fiber extends, and a control unit that enables the fiber to move automatically by the moving element, thereby sequentially processing the fiber in a barrier coating unit, a deposition unit, and a coating unit, wherein the control unit enables the time the fiber remains in the deposition unit to be determined according to user-determined parameters that affect the chemical vapor deposition process, thereby applying graphene and / or graphene-based nanoribbons of different densities and / or lengths onto the fiber.

[0009] In one embodiment of the present invention, the manufacturing system comprises a deposition unit having a chamber that enables chemical vapor deposition to be applied to a fiber, and at least one capacitor that is positioned to almost completely surround the chamber and to create an electromagnetic field within the chamber, thereby enabling graphene and / or nanoribbons to be applied almost perpendicularly to the fiber. In another embodiment of the present invention, the manufacturing system comprises a plurality of sensors positioned in the chamber and emitting laser beams onto the fiber, and a control unit that enables real-time thickness measurement using data received from the sensors and ensures that the fiber is sent to an iron coating unit by a moving element when a thickness value predetermined by the user is achieved.

[0010] In one embodiment of the present invention, the manufacturing system comprises a deposition unit having a plurality of openings provided in a chamber having a diameter almost exactly the same as that of the fibers, allowing the fibers to move in and out of the chamber and the graphene and / or graphene-based nanoribbons to be applied almost uniformly on the fibers, and at least one sealing element to prevent gaps between the fibers and the openings.

[0011] In one embodiment of the present invention, the manufacturing system includes a control unit that enables fibers exiting the chamber through an opening to be automatically re-entered into the chamber by a moving element so that the fibers move spirally around the chamber, thereby enabling the simultaneous application of graphene and / or graphene-based nanoribbons onto the fibers.

[0012] In one embodiment of the present invention, the manufacturing system comprises at least one winding machine that provides a control unit to automatically knit fibers, and at least one fabric in which graphene and / or graphene-based nanoribbons on the fibers knitted by the winding machine form a conductive network, thereby enabling radio waves to be routed.

[0013] In one embodiment of the present invention, the manufacturing system includes a control unit that enables receiving fibers into a barrier coating unit, applying a transition metal solution to the fibers, moving the fibers with a moving element so that the fibers automatically enter a deposition unit, determining the time the fibers remain in the deposition unit according to user-determined parameters that affect the chemical vapor deposition treatment by a chemical vapor deposition method in the deposition unit, adhering graphene and / or graphene-based nanoribbons to the transition metal so that the graphene and / or graphene-based nanoribbons are attached to the fibers, automatically receiving the fibers to which the graphene and / or graphene-based nanoribbons have been applied into an iron coating unit with a moving element, applying iron-based nanoparticles to the fibers in the iron coating unit, and automatically knitting the fibers with a winding machine.

[0014] In one embodiment of the present invention, the manufacturing system has a first fabric made of glass fibers, which are insulating materials and therefore reduce the reflection of radio waves almost completely.

[0015] In one embodiment of the present invention, the manufacturing system has a second fabric made of carbon fiber, which converts radio waves into heat and / or electrical energy such that the radio waves are absorbed almost completely.

[0016] In one embodiment of the present invention, the manufacturing system has at least one radar-absorbing structure formed by laminating a number of first fabrics determined by the user onto a number of second fabrics determined by the user, thereby gradually decreasing the density and / or length of graphene and / or graphene-based nanoribbons.

[0017] In one embodiment of the present invention, the manufacturing system has a radar-absorbing structure that can be used in aircraft and / or spacecraft and / or ships.

[0018] In one embodiment of the present invention, the manufacturing system has a sealing element in the form of an O-ring, gasket and / or paste.

[0019] In one embodiment of the present invention, the manufacturing system has a moving element that is a roller and / or a robotic arm.

Brief Description of the Drawings

[0020] The manufacturing system realized to achieve the object of the present invention is shown in the attached drawings. [Figure 1] It is a schematic diagram of the manufacturing system. [Figure 2] It is a schematic diagram of the deposition unit and the capacitor. [Figure 3] It is a schematic diagram of the deposition unit and the sensor. [Figure 4] It is a cross-sectional view of cross-section A-A of FIG. 3. [Figure 5] It is a schematic diagram of the deposition unit and the spiral fiber. [Figure 6] It is a schematic diagram of the radar absorption structure.

[0021] All parts shown in the drawings are individually assigned reference numerals, and the terms corresponding to these numbers are listed below. 1. Manufacturing system 2. Fiber 3. Barrier coating unit 4. Deposition unit 5. Iron coating unit 6. Moving element 7. Control unit 8. Chamber 9. Capacitor 10. Sensor 11. Opening 12. Sealing element 13. Winder 14. Fabric 140. First fabric 141. Second fabric 15. Radar absorption structure C. Solution [Modes for carrying out the invention]

[0022] The manufacturing system (1) comprises at least one fiber (2) to be used in the composite material, a solution (C) containing a transition metal, at least one barrier coating unit (3) that allows the fiber (2) to be surrounded by the solution (C) by dipping and / or spray coating, thereby protecting the surface of the fiber (2) from chemical and / or physical impact, at least one deposition unit (4) that allows graphene and / or graphene-based nanoribbons to be bonded to the transition metal, which is arranged at regular intervals on the fiber (2), by chemical vapor deposition, thereby allowing the graphene and / or graphene-based nanoribbons to adhere to the fiber (2), and at least one iron coating unit (5) that allows iron-based nanoparticles to be applied onto the fiber (2) by dipping and / or spray coating (Figure 1).

[0023] The manufacturing system (1) according to the present invention comprises at least one moving element (6) that enables the fiber (2) to move along the direction in which it extends, and a control unit (7) that enables the fiber (2) to move automatically by the moving element (6), thereby sequentially processing the fiber (2) in a barrier coating unit (3), a deposition unit (4), and an iron coating unit (5), wherein the control unit (7) enables the time the fiber (2) remains in the deposition unit (4) to be determined according to temperature and / or pressure and / or time parameters determined by the user, thereby depositing graphene and / or graphene-based nanoribbons of different densities and / or lengths on the fiber (2) (Figure 1).

[0024] Chemical vapor deposition is applied by coating a solid material, formed as a result of a chemical reaction of vaporized carrier gas, onto a heated material provided in a closed environment. Transition metals are applied to the fibers (2) before chemical vapor deposition to control the dispersion of graphene and / or graphene-based nanoribbons on the fibers (2). The transition metals used may be any element or alloy of any element in the periodic table that has d orbitals. A barrier coating solution (C) to prevent rapid wear and damage to the fibers (2) is mixed with the nanosized transition metal, and the resulting mixture is applied to the fibers (2) using dipping and / or spray coating methods. In the deposition unit (4), the graphene and / or graphene-based nanoribbons concentrate on the transition metal by adhesion to it. Thus, the graphene and / or graphene-based nanoribbons are deposited on the fibers (2) at regular intervals. Iron-based nanoparticles are applied to the fibers (2) using dipping and / or spray coating methods.

[0025] The control unit (7) ensures that the fibers (2) are automatically moved by the moving element (6) and processed in an optimized and continuous manner in the barrier coating unit (3), the deposition unit (4), and the iron coating unit (5). Temperature and / or pressure and / or time parameters, which are predetermined by the user and determine the time during which the fibers (2) are exposed to chemical vapor deposition, are input to the control unit (7) by the user. In this way, graphene and / or graphene-based nanoribbons having different densities and / or lengths, as determined by the user, are applied onto the fibers (2).

[0026] In one embodiment of the present invention, the manufacturing system (1) comprises a deposition unit (4) having a chamber (8) that enables a chemical vapor deposition method to be applied to a fiber (2), and at least one capacitor (9) positioned to almost completely surround the chamber (8) and to create an electromagnetic field within the chamber (8), thereby enabling the deposition of graphene and / or graphene-based nanoribbons almost perfectly perpendicular to the fiber (2). Thanks to the electromagnetic field created by the capacitor (9) positioned around the chamber (8), the conductive graphene and / or graphene-based nanoribbons are oriented to deposit perpendicularly rather than obliquely on the transition metal (Figure 2).

[0027] In one embodiment of the present invention, the manufacturing system (1) comprises a plurality of sensors (10) arranged in a chamber (8) that emit laser beams onto fibers (2), and a control unit (7) that enables real-time thickness measurement using data received from the sensors (10) and ensures that the fibers (2) are sent to the iron coating unit (5) by a moving element (6) when a thickness value determined by the user is achieved. The control unit (7) evaluates real-time thickness data according to the density and / or length values ​​of the graphene and / or graphene-based nanoribbons received from the sensors (10), and enables the system to automatically switch to the iron coating unit (5) when a thickness value determined by the user is achieved (Figure 3).

[0028] In one embodiment of the present invention, the manufacturing system (1) comprises a deposition unit (4) provided in a chamber (8) having a plurality of openings (11) that have a diameter almost exactly the same as that of the fiber (2), allowing the fiber (2) to enter and exit the chamber (8) and to precipitate graphene and / or graphene-based nanoribbons almost completely homogeneously on the fiber (2), and having at least one sealing element (12) that prevents gaps between the fiber (2) and the openings (11). Thanks to the openings (11) that allow the fiber (2) to enter the chamber (8), the fiber (2) floats in the chamber (8). As a result, the graphene and / or graphene-based nanoribbons are applied so as to almost completely surround the fiber (2) (Figure 4).

[0029] In one embodiment of the present invention, the manufacturing system (1) includes a control unit (7) that enables fibers (2) exiting the chamber (8) through an opening (11) to automatically re-enter the chamber (8) via a moving element (6) such that the fibers (2) spirally surround the chamber (8), thereby enabling simultaneous application of graphene and / or graphene-based nanoribbons onto the fibers (2). Thanks to the moving element (6) positioned around the chamber (8), the fibers (2) enter and exit the chamber (8) through the opening (11). By simultaneously applying graphene and / or graphene-based nanoribbons onto longer fibers (2) that are not limited by the size of the chamber (8), faster processing and time savings are possible (Figure 5).

[0030] In one embodiment of the present invention, the manufacturing system (1) comprises at least one winding machine (13) that provides a control unit (7) to automatically wind fibers (2), and at least one fabric (14) that allows radio waves to be routed by graphene and / or graphene-based nanoribbons on the fibers (2) woven by the winding machine (13) forming a conductive network. The winding of the fibers (2) by the winding machine (13) after the iron coating unit (5) is provided automatically by the control unit (7). Graphene and / or graphene-based nanoribbons on the fibers (2) moving side by side on the winding machine (13) form a conductive network with each other. Thanks to the conductive network created, the radar-absorbing material can be used for temperature control, lightning protection, and electromagnetic shielding.

[0031] In one embodiment of the present invention, the manufacturing system (1) includes a control unit (7) that enables the following: the fiber (2) to enter a barrier coating unit (3) and be coated with a solution (C) containing a transition metal; the fiber (2) to be moved by a moving element (6) to automatically enter a deposition unit (4); the time the fiber (2) remains in the deposition unit (4) is determined according to temperature and / or pressure and / or time parameters determined by the user by a chemical vapor deposition method in the deposition unit (4), so that graphene and / or graphene-based nanoribbons adhere to the transition metal, thereby causing the graphene and / or graphene-based nanoribbons to adhere to the fiber (2); the fiber (2) to which the graphene and / or graphene-based nanoribbons have been applied to automatically enter an iron coating unit (5) by the moving element (6); iron-based nanoparticles are applied to the fiber (2) in the iron coating unit (5); and the fiber (2) to be automatically knitted by a winding machine (13). The fiber (2) is first processed in the barrier coating unit (3). This is applied by spraying a liquid solution (C), made by mixing nano-sized transition metals, onto the fibers (2) of the barrier coating unit (3), or by immersing the fibers in the solution. The application of solution (C) to the fibers (2) increases their strength and reduces wear. The fibers (2) coated with solution (C) are automatically flowed to the deposition unit (4) by the control unit (7). In the deposition unit (4), graphene and / or graphene-based nanoribbons are applied to the fibers (2) by chemical vapor deposition. Temperature, pressure, and / or time parameters affecting the chemical vapor deposition process are input by the user to the control unit, thereby applying the graphene and / or graphene-based nanoribbons to the fibers (2) at a density and / or length determined by the user. The graphene and / or graphene-based nanostrips applied to the fibers (2) are automatically flowed to the iron coating unit (5). The solution containing iron-based nanoparticles in the iron coating unit (5) is applied by spraying it onto the fiber (2) or by immersing the fiber in the solution.The fibers (2) treated in the barrier coating unit (3), the deposition unit (4), and the iron coating unit (5) are automatically fed to the winding machine (13) so as to be knitted.

[0032] In one embodiment of the present invention, the manufacturing system (1) comprises a first fabric (140) made of glass fiber (2), the glass fiber being an insulating material, thereby almost completely reducing the reflection of radio waves. The first fabric (140) made of glass fiber (2) is an insulating material. Thanks to this feature, when exposed to radio waves, it reduces the reflection of radio waves and reduces the conductivity in the direction of the radio waves.

[0033] In one embodiment of the present invention, the manufacturing system (1) comprises a second fabric (141) made of carbon fiber (2), which converts radio waves into heat and / or electrical energy such that the radio waves are absorbed almost completely. The second fabric (141) made of carbon fiber (2) is conductive. Thanks to this feature, it absorbs radio waves and converts the resulting energy into heat and / or electrical energy. In one embodiment of the present invention, the manufacturing system (1) comprises at least one radar absorbing structure (15) formed by laminating a number of first fabrics (140) determined by the user onto a number of second fabrics (141) determined by the user, thereby decreasing the density and / or length of graphene and / or graphene-based nanoribbons. A number of user-determined fabrics (14) are laminated manually. The lamination of the fabrics (14) is carried out such that the length and / or density of graphene and / or graphene-based nanoribbons decreases. When a radar-absorbing structure (15) formed by lamination of fabrics (14) is applied to an aircraft, the density and / or length of the graphene and / or graphene-based nanoribbons gradually increases toward the interior of the aircraft. Thus, primary and secondary waves are prevented from occurring in the aircraft. To absorb primary waves, the glass fibers (2) have graphene and / or graphene-based nanoribbons with low density and / or length, so that the impedance value of the glass fibers (2) is equal to (matches) the impedance of air, thereby absorbing primary waves. The characteristics of the conductive network are maintained in the radar-absorbing structure (15) consisting of fabrics (14) having a conductive network.

[0034] In one embodiment of the present invention, the manufacturing system (1) comprises a radar-absorbing structure (15) that can be used in aircraft and / or spacecraft and / or ships.

[0035] In one embodiment of the present invention, the manufacturing system (1) comprises a sealing element in the form of an O-ring, a gasket and / or a paste. A sealing element (12) provided between the fibers (2) and an opening (11) that allows the fibers (2) to enter and exit the chamber (8) prevents the formation of gaps and ensures that the chemical vapor deposition process is carried out in a closed chamber (8).

[0036] In one embodiment of the present invention, the manufacturing system (1) comprises a moving element (6) which is a roller and / or a robotic arm. The transfer of the fibers (2) to the barrier coating unit (3), the deposition unit (4), the iron coating unit (5), and the winding machine (13) is precisely provided by the roller and / or the robotic arm.

Claims

1. A manufacturing system (1) for coating at least one fiber (2) used in a composite material, wherein the manufacturing system (1) A barrier coating unit (3) having a solution (C) containing a transition metal, wherein the barrier coating unit (3) is configured to surround the fiber (2) with the solution (C) by immersion and / or spray coating, thereby protecting the surface of the fiber (2) from chemical and / or physical impact. A chemical vapor deposition unit (4) is configured to deposit and adhere graphene and / or graphene-based nanoribbons to the transition metals arranged at regular intervals on the fibers (2), thereby enabling the graphene and / or graphene-based nanoribbons to adhere to the fibers (2), and comprises at least one chemical vapor deposition unit (4), At least one iron coating unit (5) configured to apply iron-based nanoparticles onto the fibers (2) by immersion and / or spray coating, The manufacturing system is further equipped with, At least one moving element (6) is configured to move along the direction in which the at least one fiber (2) extends, The control unit (7) is configured to automatically move the fibers (2) by the moving element (6), thereby sequentially processing the fibers (2) in the barrier coating unit (3), the deposition unit (4), and the iron coating unit (5). It is characterized by having the following, where the control unit (7) is The time the fibers (2) remain in the deposition unit (4) is determined according to temperature and / or pressure and / or time parameters determined by the user, thereby depositing graphene and / or graphene-based nanoribbons of different densities and / or lengths on the fibers (2). The deposition unit (4) has a chamber (8) for chemical vapor deposition, A manufacturing system (1) characterized by a plurality of sensors (10) arranged in the chamber (8) and emitting laser beams onto the fibers (2), and a control unit (7) configured to receive real-time thickness dimensions from data received from the sensors (10), and sending the fibers (2) to the iron coating unit (5) by the moving element (6) when a thickness value determined by the user is achieved.

2. The deposition unit (4) is characterized by having at least one capacitor substantially surrounding the chamber (8), the capacitor being configured to create an electromagnetic field within the chamber (8), thereby enabling the deposition of the graphene and / or nanoribbons almost perfectly perpendicular to the fibers (2). The manufacturing system (1) according to claim 1.

3. The deposition unit (4) is characterized by having a plurality of openings (11) provided in the chamber (8) to have almost exactly the same diameter as the fibers (2), allowing the fibers (2) to move in and out of the chamber (8) and to precipitate the graphene and / or graphene-based nanoribbons almost completely and homogeneously on the fibers (2), and having at least one sealing element (12) to prevent gaps between the fibers (2) and the openings (11), The manufacturing system (1) according to claim 1 or 2.

4. The control unit (7) is characterized by being configured such that the fibers (2) exiting the chamber (8) through the opening (11) are automatically re-entered into the chamber (8) by the moving element (6) such that the fibers (2) spirally surround the chamber (8), thereby enabling simultaneous application of graphene and / or graphene-based nanoribbons on the fibers (2) and on the fibers (2) re-entered into the chamber (8), The manufacturing system (1) according to claim 3.

5. Characterized by at least one winding machine (13) that provides the control unit (7) to automatically knit the fibers (2) to form at least one fabric (14), the fabric (14) enabling radio waves to be routed such that the graphene and / or graphene-based nanoribbons on the fibers (2) knitted by the winding machine (13) form a conductive network. A manufacturing system (1) according to any one of claims 1 to 4.

6. The fiber (2) enters the barrier coating unit (3) and is coated with a solution (C) containing a transition metal. The fibers (2) are moved by the moving element (6) so that they automatically enter the deposition unit (4). The time during which the fibers (2) remain in the deposition unit (4) is determined according to the temperature and / or pressure and / or time parameters determined by the user by the chemical vapor deposition method in the deposition unit (4), so that the graphene and / or graphene-based nanoribbons adhere to the transition metal, thereby causing the graphene and / or graphene-based nanoribbons to adhere to the fibers (2). The fiber (2) to which graphene and / or graphene-based nanoribbons are applied is automatically entered into the iron coating unit (5) by the moving element (6), The iron-based nanoparticles are applied to the fibers (2) by the iron coating unit (5). The aforementioned fibers (2) are automatically woven by the winding machine (13). Characterized by the control unit (7) configured to enable, The manufacturing system (1) according to claim 5.

7. The fabric (14) includes a first fabric (140) made of glass fiber (2), the glass fiber being an insulating material and therefore significantly reducing the reflection of radio waves. A manufacturing system (1) according to either claim 5 or 6.

8. The fabric (14) includes a second fabric (141) made of carbon fiber (2), the carbon fiber converts radio waves into heat and / or electrical energy such that radio waves are absorbed to a large extent. A manufacturing system (1) according to any one of claims 5 to 7.

9. Characterized by at least one radar absorption structure (15) formed by laminating a plurality of first fabrics (140) in a number determined by the user onto a plurality of second fabrics (141) in a number determined by the user, wherein the density and / or length of the graphene and / or graphene-based nanoribbons gradually changes along the thickness direction of the radar absorption structure (15). A manufacturing system (1) according to claim 8, which is dependent on claim 7.

10. Characterized by the radar-absorbing structure (15) which may be used in aircraft and / or spacecraft and / or ships, The manufacturing system (1) according to claim 9.

11. Characterized by the sealing element (12) in the form of an O-ring, gasket and / or paste, A manufacturing system (1) according to claim 3, or any one of claims 4 to 10 dependent on claim 3.

12. Characterized by the moving element (6), which is a roller and / or robot arm, A manufacturing system (1) according to any one of claims 1 to 11.

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