CN111168223A - Device and method for preparing aluminum matrix composite material by high-efficiency stirring - Google Patents
Device and method for preparing aluminum matrix composite material by high-efficiency stirring Download PDFInfo
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- CN111168223A CN111168223A CN202010006890.2A CN202010006890A CN111168223A CN 111168223 A CN111168223 A CN 111168223A CN 202010006890 A CN202010006890 A CN 202010006890A CN 111168223 A CN111168223 A CN 111168223A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/1215—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding for other purposes than joining, e.g. built-up welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding involving metallurgical change
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a device and a method for preparing an aluminum-based composite material by high-efficiency stirring, which comprises a planetary gear train component, wherein the planetary gear train component comprises a central wheel, a planetary gear and a planetary carrier from inside to outside, the central wheel and the planetary carrier are respectively meshed with a planetary gear, and a stirring needle is arranged on the planetary gear. The central wheel rotates to drive the planetary wheels to rotate through the gears, so that the stirring needles on the planetary wheels are driven to rotate, the planetary gear train component has both autorotation and revolution, and the circumferential rotation of multiple stirring needles can be realized while the rotation of the stirring needles on the planetary gear train component is ensured. The preparation efficiency of the aluminum matrix composite material can be obviously improved by utilizing the planetary gear train component to prepare the aluminum matrix composite material.
Description
Technical Field
The invention relates to the technical field of metal material preparation, in particular to a device and a method for preparing an aluminum matrix composite material by high-efficiency stirring.
Background
The Aluminum Matrix Composite (AMC) has the characteristics of high specific strength, high specific modulus, wear resistance, corrosion resistance, good fatigue performance, high fundamental frequency and the like.
Generally, the preparation method of AMC mainly includes a solid-liquid reaction process (self-propagating high-temperature synthesis, reaction hot pressing, etc.), a gas-liquid-solid reaction process, a solid-solid reaction process (isothermal heat treatment, etc.), and a liquid-liquid reaction process, and AMC prepared by these conventional processes generally has the characteristics of large matrix structure, loose pores, and other defects, uneven size and distribution of the enhanced phase, poor compatibility of the enhanced phase and the matrix, and the like.
Friction Stir Processing (FSP) is a plastic working technique developed on the basis of Friction Stir Welding (FSW), in which a working tool, a tool bit, is rotationally inserted into a workpiece, the material in a working area is plasticized thermally by frictional heat and plastic deformation energy between the tool bit and the workpiece, and the material is transferred from the front to the rear by the rotation of the tool bit, thereby forming a solid-phase working area by the action of a jacking pressure. The principle of Friction Stir Processing (FSP) is to utilize the violent plastic deformation and temperature rise in the friction stir process to crush and uniformly mix the structure of the material, accelerate the diffusion of alloy elements, generate dynamic recrystallization, change the microstructure and chemical composition of the material in a very short time, and simultaneously realize the refinement, densification and homogenization of the material. The FSP process has two procedures of AMC preparation and fine grain treatment, has obvious advantages in the aspects of cost control, efficiency and the like, and provides a new way for synthesizing in-situ authigenic particles, controlling matrix-reinforcement interface reaction and dispersing micro-nano size reinforcements in a matrix. At present, scholars at home and abroad make progress in the aspects of preparing a surface composite layer and preparing a block composite material by friction stir processing. In order to promote the application of the friction stir processing technology in scientific research and production, the research on the efficient Friction Stir Processing (FSP) preparation method is of great significance.
The existing AMC preparation method related to the present invention is a single pin Friction Stir Processing (FSP) preparation method, as shown in fig. 1. A groove or a dot matrix groove body is processed on a pure aluminum or aluminum alloy blank substrate, and after additional reinforcing particles are added, the homogenization treatment is carried out by adopting an FSP method, so that the AMC plate is obtained. However, the single-needle friction stir processing method has the problems of low coverage of a stirring area, difficult track control and the like, thereby causing low material preparation efficiency.
Therefore, the present invention provides an apparatus and a method for preparing an aluminum matrix composite material by high-efficiency stirring to solve the above technical problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problems of low preparation efficiency of the aluminum matrix composite material caused by low coverage rate of a stirring area and difficult track control in the prior art.
(II) technical scheme
The invention provides a device for preparing an aluminum-based composite material by high-efficiency stirring, which comprises a planetary gear train component, wherein the planetary gear train component comprises a central wheel, a planetary gear and a planetary carrier from inside to outside, the central wheel and the planetary carrier are respectively meshed with a planetary gear, and a stirring needle is arranged on the planetary gear.
Furthermore, a control system is installed on the central wheel and comprises a driving mechanism and a controller, the driving mechanism is electrically connected with the controller, and a driving end of the driving mechanism is connected with the central wheel.
Further, the stirring pin is arranged in the center of the planet wheel.
Further, the stirring pin is arranged on the lower end face of the planet wheel.
Furthermore, a plurality of planet wheels are arranged in a centrosymmetric manner by taking the center of the central wheel as a symmetric center.
Further, the planet carrier has a mounting hole therein for mounting the planetary gear set assembly to a machine tool collet.
On the other hand, the invention also provides a method for preparing the aluminum matrix composite material by high-efficiency stirring, which comprises the following steps:
s1: preparing a planetary gear train component, mounting a stirring pin on a planetary gear, mounting a control system on a central gear, and mounting the planetary gear train component provided with the stirring pin and the control system on a machine head of a machine tool;
s2: fixing a pure aluminum or aluminum alloy blank by using a clamp, wherein the surface of the pure aluminum or aluminum alloy blank is provided with a groove or a dot matrix groove body;
s3: placing additional reinforcing particles in the groove or the lattice-type groove body;
s4: and driving the planetary gear train component to work through a control system, and preparing the aluminum-based composite material on the pure aluminum or aluminum alloy blank through stirring friction processing by using a stirring needle.
Further, in step S3, the additional reinforcing particles are SiC, CNT, and graphene, and the addition amount of the additional reinforcing particles is 0.5 to 3 wt% of the matrix material.
Further, in step S4, the rotation speed of the central shaft in the planetary gear train assembly is 400 to 800rpm, the down pressure of the planetary gear train assembly is 2000 to 10000N, and the traveling speed of the planetary gear train assembly as a whole is 30 to 150 mm/min.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
in the device for preparing the aluminum-based composite material by high-efficiency stirring, the central wheel and the planet carrier are respectively engaged with the planet wheel gear, the planet wheel is provided with the stirring needles, the planet wheel train component rotates and revolves, the stirring needles on the planet wheel train component rotate and the circumferential rotation of a plurality of stirring needles is realized at the same time, as shown in fig. 7, compared with a stirring and friction processing track 9 by utilizing the device of the invention, a stirring and friction processing track 8 in the prior art has a significantly larger covering surface by utilizing the structure of the planet wheel train component, the preparation efficiency of the aluminum-based composite material is obviously improved, the stirring needles in the central area of a blank are densely covered, and the uniform distribution of additional reinforced particles can be promoted.
In the method for preparing the aluminum-based composite material by high-efficiency stirring, a planetary gear train component is prepared, a stirring pin is arranged on a planetary gear, a control system is arranged on a center wheel, the planetary gear train component provided with the stirring pin and the control system is arranged on a machine tool head, and the increase of the control system enables the center wheel to have translational freedom degrees in three directions in space and also have rotational freedom degrees; fixing a pure aluminum or aluminum alloy blank by using a clamp, wherein the surface of the pure aluminum or aluminum alloy blank is provided with a groove or a dot matrix groove body, and placing additional reinforcing particles in the groove or the dot matrix groove body to facilitate the stirring friction processing of a stirring pin; the control system drives the planetary gear train component to work, the stirring pin is used for preparing the aluminum-based composite material on pure aluminum or aluminum alloy blanks through stirring friction processing, and the multi-pin stirring friction processing based on the planetary gear train component can efficiently realize multi-pass stirring friction processing, so that the homogenization control target of externally added reinforced particles is achieved.
Drawings
FIG. 1 is a schematic view of a process for preparing an aluminum matrix composite by friction stir processing in the prior art;
FIG. 2 is a schematic diagram of a multi-pin friction stir processing structure in the apparatus for efficiently stirring and preparing an aluminum-based composite material according to the present invention;
FIG. 3 is a schematic structural diagram of a planetary gear train assembly in the device for preparing the aluminum-based composite material by high-efficiency stirring according to the invention;
FIG. 4 is a schematic diagram of a friction stir mounting structure of three stirring pins in the apparatus for efficiently stirring and preparing an aluminum-based composite material according to the present invention;
FIG. 5 is a schematic view of a single pin friction stir processing configuration of the prior art design;
FIG. 6 is a schematic diagram of a friction stir processing structure with three stirring pins in the apparatus for efficiently stirring and preparing an aluminum-based composite material according to the present invention;
FIG. 7 is a schematic diagram showing the comparison between the conventional single-pin friction stir processing and the three-pin friction stir processing according to the present invention.
In the figure: 1. pure aluminum; 2. a stirring pin; 3. a dot-matrix tank body; 4. a center wheel; 5. a planet wheel; 6. a planet carrier; 7. mounting holes; 8. the track of friction stir processing in the prior art; 9. the device provided by the invention is used for stirring and rubbing the processing track.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.
As shown in fig. 1, in the prior art, a single stirring pin is used for preparing an aluminum-based composite material, a groove or a lattice type groove body 3 is processed on a pure aluminum 1 blank substrate, additional reinforcing particles are added into the groove or the lattice type groove body 3, and a stirring pin 2 is used for carrying out stirring friction processing on the pure aluminum 1 or aluminum alloy blank to carry out homogenization treatment, so that the aluminum-based composite material is obtained. Wherein, the pure aluminum 1 can also be replaced by aluminum alloy.
As shown in fig. 2-6, the device for preparing the aluminum-based composite material by high-efficiency stirring, provided by the invention, comprises a planetary gear train component, wherein the planetary gear train component comprises a central wheel 4, a planetary wheel 5 and a planet carrier 6 from inside to outside, the central wheel 4 and the planet carrier 6 are respectively in gear engagement with the planetary wheel 5, and the planetary wheel 5 is provided with a stirring needle 2.
In the above embodiment, the central gear 4 rotates to drive the planetary gear 5 to rotate through the gear, so as to drive the mixing needles 2 on the planetary gear 5 to rotate, so that the planetary gear train component has both rotation and revolution, and the circumferential rotation of the mixing needles 2 on the planetary gear train component can be realized while the rotation is ensured. The preparation efficiency of the aluminum matrix composite material can be obviously improved by utilizing the planetary gear train component to prepare the aluminum matrix composite material.
Specifically, a control system is installed on the center wheel 4, the control system comprises a driving mechanism and a controller, the driving mechanism is electrically connected with the controller, and a driving end of the driving mechanism is connected with the center wheel 4. A control system is arranged for the planetary gear train component in a matched manner, namely the control position of a single stirring pin friction stir processing control system in the prior art is arranged on a central wheel 4 of the planetary gear train component, so that the central wheel 4 has translational freedom degrees in three directions in space and rotational freedom degrees at the same time. The drive mechanism is controlled by the controller to cause the center wheel 4 to operate.
Preferably, the pin 2 is in the centre of the planet 5. The position of the stirring pin 2 does not affect the achievement of the object of the invention, and the stirring pin 2 is positioned at the center of the planet wheel 5 only in a preferable mode of the invention.
Specifically, the pin 2 is provided on the lower end surface of the planetary gear 5. The multiple stirring needles are simultaneously positioned on the lower end face of the planet wheel 5, the stirring needles 2 are perpendicular to the planet wheel 5, and when stirring friction machining is carried out, the stirring needles are also perpendicular to the surface of the pure aluminum 1 or the aluminum alloy blank matrix.
Preferably, the plurality of planetary wheels are arranged in central symmetry with the center of the central wheel 4 as the center of symmetry. On the premise of achieving the purpose of the invention, other arrangement modes of the multiple planetary wheels are also possible, and the embodiment is the preferred embodiment of the invention.
The planet carrier 6 preferably has mounting holes 7 for mounting the planetary gear set assembly to a machine tool chuck for subsequent friction stir processing.
The invention also provides a method for preparing the aluminum matrix composite material by high-efficiency stirring, which comprises the following steps:
s1: preparing a planetary gear train component, mounting a stirring pin 2 on a planetary gear 5, mounting a control system on a central gear 4, and mounting the planetary gear train component provided with the stirring pin 2 and the control system on a machine head of a machine tool;
s2: fixing the pure aluminum 1 or aluminum alloy blank by using a clamp, wherein the surface of the pure aluminum 1 or aluminum alloy blank is provided with a groove or a dot matrix groove body 3;
s3: placing the additional reinforced particles in the groove or the dot matrix type tank body 3;
s4: the planetary gear train component is driven to work through the control system, and the aluminum-based composite material is prepared on pure aluminum 1 or aluminum alloy blanks through stirring friction processing by using a stirring needle.
In the embodiment, the planetary gear train component is driven by the driving system to work, the planetary gear 5 is driven to rotate under the condition that the central gear 4 keeps rotating, meanwhile, the whole planetary gear train component is translated on the surface of the pure aluminum 1 or aluminum alloy blank substrate, and the multi-pin friction stir processing on the planetary gear train component can efficiently realize multi-pass friction stir processing, so that the aim of homogenizing and controlling the externally-added reinforced particles is fulfilled.
Specifically, in step S3, the additional reinforcing particles are SiC (Chinese name: silicon carbide), CNT (Chinese name: carbon nanotubes), graphene, and the amount of the additional reinforcing particles added is 0.5 to 3 wt% of the matrix material. The additional reinforcing particles may also be other materials that achieve the objectives of the present invention.
Specifically, in step S4, the rotation speed of the central shaft 4 in the planetary gear train assembly is 400 to 800rpm, the downward pressure of the planetary gear train assembly is 2000 to 10000N, the overall traveling speed of the planetary gear train assembly is 30 to 150mm/min, and the rotation speed of the stirring pin 2 is determined according to the gear relationship in the planetary gear train assembly.
Taking three stirring pin friction stir processing as an example, the following specific operations are performed:
a. designing and processing a central wheel 4, a planet wheel 5 and a planet carrier 6 matched with a stirring pin and a control system according to the structure of the planetary gear train component, and designing the diameter ratio of the planet wheel 5 to the central wheel 4 to be 3:1 as shown in figures 3, 4 and 6;
b. three stirring needles are arranged on the three planet wheels, the stirring needles and the planet wheel train component are assembled into a three-stirring-needle friction-stir processing structure, and the three-stirring-needle friction-stir processing structure is arranged on a machine tool chuck;
c. a control system is matched with the planetary gear train component, so that the central wheel 4 has translational freedom degrees in three directions in space and rotational freedom degrees at the same time, namely, the control position of the single-needle stirring friction processing control system in the prior art is arranged on the central wheel 4 of the planetary gear train component;
d. preparing a pure aluminum 1 or aluminum alloy blank, fixing the blank by adopting a clamp, and waiting for friction stir processing;
e. placing the additional reinforced particles into a groove or a hole prefabricated by a pure aluminum 1 or aluminum alloy blank; controlling the addition amount of the additional reinforced particles (SiC, CNT, graphene and the like) to be 0.5-3 wt% of the matrix material;
f. the aluminum-based composite material is prepared on pure aluminum or aluminum alloy blanks by stirring friction processing through a three-stirring pin stirring friction processing structure, the rotating speed of a central shaft 4 is 400-800rpm, the downward pressure of a planetary gear train component is 2000-10000N, the overall advancing speed of the planetary gear train component is 30-150 mm/min, and the rotating speed of a stirring pin is determined according to the gear relationship in the planetary gear train component.
The track formed by the single-stirring-pin friction stir processing of the prior art shown in fig. 5 and the track formed by the three-stirring-pin friction stir processing of the present invention shown in fig. 6 is shown in fig. 7, and it can be seen from the comparison between the track 8 of the stirring-friction stir processing of the prior art shown in fig. 7 and the track 9 of the stirring-friction stir processing of the apparatus of the present invention that the three-stirring-pin friction stir processing has a significantly larger coverage area and higher efficiency, and the stirring pins in the central region of the pure aluminum 1 or aluminum alloy blank are densely covered to promote the uniform distribution of the additional reinforcing particles.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a device of aluminium base combined material is prepared in high-efficient stirring, its characterized in that includes the planetary gear train subassembly, the planetary gear train subassembly includes from inside to outside sun gear (4), planet wheel (5) and planet carrier (6), sun gear (4) with planet carrier (6) respectively with planet wheel (5) gear engagement, install stirring needle (2) on planet wheel (5).
2. The device for preparing the aluminum matrix composite material through high-efficiency stirring as recited in claim 1, wherein a control system is installed on the central wheel (4), the control system comprises a driving mechanism and a controller, the driving mechanism is electrically connected with the controller, and a driving end of the driving mechanism is connected with the central wheel (4).
3. The device for preparing the aluminum matrix composite material by high-efficiency stirring as recited in claim 1, wherein the stirring pin (2) is arranged at the center of the planet wheel (5).
4. The device for preparing the aluminum matrix composite material by high-efficiency stirring as recited in claim 1, wherein the stirring pin (2) is arranged on the lower end face of the planet wheel (5).
5. The apparatus for preparing Al-based composite material with high efficiency and stirring as recited in claim 1, wherein the plurality of planetary wheels are arranged in a central symmetry with the center of the central wheel as the center of symmetry.
6. The apparatus for preparing aluminum matrix composite material with high efficiency stirring as claimed in claim 1, wherein the planet carrier (6) is provided with a mounting hole (7) for mounting the planetary gear train component on the machine tool chuck.
7. The method for preparing the aluminum matrix composite material by high-efficiency stirring is characterized by comprising the following steps:
s1: preparing a planetary gear train component, mounting a stirring pin (2) on a planetary gear (5), mounting a control system on a central gear (4), and mounting the planetary gear train component provided with the stirring pin (2) and the control system on a machine head of a machine tool;
s2: fixing a pure aluminum (1) or aluminum alloy blank by using a clamp, wherein the surface of the pure aluminum (1) or aluminum alloy blank is provided with a groove or a lattice type groove body (3);
s3: placing additional reinforcing particles in the groove or the lattice type groove body (3);
s4: and driving a planetary gear train component to work through a control system, and preparing the aluminum-based composite material on the pure aluminum (1) or aluminum alloy blank through stirring friction processing by using a stirring needle.
8. The method for preparing the aluminum matrix composite material through high-efficiency stirring as claimed in claim 7, wherein in step S3, the additional reinforcing particles are silicon carbide, carbon nanotubes and graphene, and the addition amount of the additional reinforcing particles is 0.5-3 wt% of the matrix material.
9. The method for preparing the aluminum matrix composite material with high efficiency stirring as recited in claim 7, wherein in step S4, the rotation speed of the central shaft (4) in the planetary gear train component is 400-800rpm, the downward pressure of the planetary gear train component is 2000-10000N, and the traveling speed of the planetary gear train component as a whole is 30-150 mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006890.2A CN111168223A (en) | 2020-01-03 | 2020-01-03 | Device and method for preparing aluminum matrix composite material by high-efficiency stirring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010006890.2A CN111168223A (en) | 2020-01-03 | 2020-01-03 | Device and method for preparing aluminum matrix composite material by high-efficiency stirring |
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| CN111168223A true CN111168223A (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| AT524705A1 (en) * | 2021-01-27 | 2022-08-15 | Stirtec Gmbh | Friction stir welding tool and friction stir welding process |
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| US20040000576A1 (en) * | 2002-05-14 | 2004-01-01 | The Boeing Company | Method and apparatus for producing a refined grain structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT524705A1 (en) * | 2021-01-27 | 2022-08-15 | Stirtec Gmbh | Friction stir welding tool and friction stir welding process |
| AT524705B1 (en) * | 2021-01-27 | 2023-06-15 | Stirtec Gmbh | Friction stir welding tool and friction stir welding process |
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Application publication date: 20200519 |