CN113369671A - High-entropy alloy stirring friction material increasing device and preparation process - Google Patents
High-entropy alloy stirring friction material increasing device and preparation process Download PDFInfo
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- CN113369671A CN113369671A CN202110784736.2A CN202110784736A CN113369671A CN 113369671 A CN113369671 A CN 113369671A CN 202110784736 A CN202110784736 A CN 202110784736A CN 113369671 A CN113369671 A CN 113369671A
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- entropy alloy
- friction
- friction stir
- heat sink
- sink module
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- 238000003756 stirring Methods 0.000 title claims abstract description 55
- 239000000956 alloy Substances 0.000 title claims abstract description 31
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002783 friction material Substances 0.000 title description 5
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000000654 additive Substances 0.000 claims abstract description 23
- 230000000996 additive effect Effects 0.000 claims abstract description 23
- 239000000110 cooling liquid Substances 0.000 claims abstract description 13
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 24
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000001953 recrystallisation Methods 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims 3
- 230000004927 fusion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- B23K20/24—Preliminary treatment
-
- 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
- B23K20/26—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
本发明公开一种高熵合金搅拌摩擦增材装置及制备工艺，包括搅拌头，搅拌头上端设有热沉模组，热沉模组一侧设有进料口，进料口下端依次垂直设置有冷却液出水口和冷却液进水口，热沉模组内腔设有旋转摩擦机构，旋转摩擦机构上端设有粉碎机构，热沉模组上端设有驱动模组，不同粗细的纯金属丝材送入进料口，通过砂轮快速转动粉碎后得到薄片状的片材，再经过摩擦旋转机构热融合后再冷却处理，凝固后层层堆叠完成高熵合金增材制造，本发明通过此技术将高熵合金制备和搅拌摩擦增材结合在一起，两个过程合并成一个过程，极大程度提升了高熵合金的增材效率，并且此方法可快速调整不同配比，加快新高熵合金材料的实验进度。
The invention discloses a high-entropy alloy friction stir additive device and a preparation process, comprising a stirring head, a heat sink module is arranged on the upper end of the stirring head, a feed port is provided on one side of the heat sink module, and the lower end of the feed port is vertically arranged in sequence There is a cooling liquid outlet and a cooling liquid inlet, the inner cavity of the heat sink module is provided with a rotary friction mechanism, the upper end of the rotary friction mechanism is provided with a crushing mechanism, the upper end of the heat sink module is provided with a drive module, and pure metal wires of different thicknesses are provided. It is fed into the feeding port, and the flake-like sheet is obtained after the grinding wheel is rapidly rotated and pulverized, and then it is thermally fused by the friction rotating mechanism and then cooled. The preparation of high-entropy alloys and friction stir additive are combined, and the two processes are combined into one process, which greatly improves the additive efficiency of high-entropy alloys. This method can quickly adjust different ratios and accelerate the development of new high-entropy alloy materials Experimental progress.
Description
Technical Field
The invention relates to the technical field of metal additive, in particular to a high-entropy alloy friction stir additive device and a preparation process thereof.
Background
In the friction stir manufacturing, friction heat and plastic deformation heat are generated on a friction surface and its vicinity by a stirring motion of a stirring head under a constant or increasing pressure and torque, and the temperature of its vicinity is increased to a temperature range close to but generally lower than the melting point, so that the deformation resistance of the material is reduced, the plasticity is improved, an oxide film at the interface is broken, and the material is plastically deformed and flowed by a ram pressure, and molecular diffusion and recrystallization at the interface are performed.
Additive manufacturing is distinguished from subtractive manufacturing, which refers to removing material from a blank to obtain a desired part or structure. The material increase can be simply understood as a 3D printing technology, the existing stirring friction material increase technology is to carry out high-entropy alloy material increase manufacturing, the high-entropy alloy is required to be prepared into a wire or powder material firstly, then the friction material increase is carried out, and the steps are complex.
Disclosure of Invention
The invention aims to provide a high-entropy alloy friction stir material increasing device and a preparation process, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high entropy alloy friction stir material device, includes the stirring head, the stirring head upper end is equipped with heat sink module, heat sink module one side is equipped with the feed inlet, the feed inlet lower extreme has set gradually coolant liquid delivery port and coolant liquid water inlet perpendicularly, heat sink module inner chamber is equipped with rotary friction mechanism, rotary friction mechanism upper end is equipped with rubbing crusher and constructs, heat sink module upper end is equipped with the drive module.
Preferably, the rotary friction mechanism comprises a rotary shaft, a plurality of rotary blades are arranged on the rotary shaft, and collecting port tools are further arranged on two sides of the upper end of the rotary shaft.
Preferably, the grinding mechanism comprises a grinding wheel, fixed blocks are further arranged on two sides of the grinding mechanism, and the grinding mechanism is rotationally connected with the rotary friction mechanism.
Preferably, the stirring head is rotatably connected with the rotary friction mechanism.
Preferably, a stepping motor is arranged in the driving module, and the output end of the stepping motor is connected with the crushing mechanism.
Preferably, the rotary friction mechanism is connected with the coolant outlet and the coolant inlet in a penetrating manner.
The invention also provides a preparation process for preparing the high-entropy alloy friction stir additive by using the high-entropy alloy friction stir additive device, which comprises the following steps:
feeding pure metal wires with different thicknesses into a feeding hole through a feeding mechanism;
feeding the fed pure metal wire into a crushing mechanism, and crushing to obtain a flaky sheet;
thirdly, enabling the crushed pure metal sheet to flow into a rotary friction mechanism for stirring and friction to obtain a fused and softened metal base material;
step four, the fused and softened metal base material flows to the substrate from the opening of the stirring head, and further friction and stirring treatment are carried out;
fifthly, cooling the dynamic metal base material after further friction and stirring;
and step six, after the cooled and recrystallized metal base materials are accumulated layer by layer, the high-entropy alloy friction stir material additive manufacturing is completed.
Preferably, in the step one, the number of the pure metal wires is five or more.
Preferably, in the second step, the pulverized sheet material is a sheet-shaped powder in which the metal wire with a low melting point is large and the metal with a high melting point is pulverized into a sheet-shaped powder in which the metal wire with a high melting point is small.
Preferably, in the fifth step, cooling solidification is performed by circulating a cooling liquid.
Advantageous effects
The invention relates to a high-entropy alloy friction stir material increasing device and a preparation process, in particular to a friction stir welding method, which is characterized in that a high-entropy alloy original metal wire is firstly crushed, metal powder generates heat and is fused through friction stir welding, and the metal powder is combined layer by layer at a temperature lower than a melting point.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals
1-stirring head, 2-cooling liquid water inlet, 3-cooling liquid water outlet, 4-feeding port, 5-driving module, 6-crushing mechanism, 7-collecting port tool, 8-rotating shaft, 9-heat sink module, 10-rotating friction mechanism, 11-rotating blade and 12-fixed block.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1, the high-entropy alloy stirring friction material increasing device comprises a stirring head 1, wherein a heat sink module 9 is arranged at the upper end of the stirring head 1, a feed inlet 4 is arranged on one side of the heat sink module 9, a coolant outlet 3 and a coolant inlet 2 are sequentially and vertically arranged at the lower end of the feed inlet 4, a rotary friction mechanism 10 is arranged in an inner cavity of the heat sink module 9, a crushing mechanism 6 is arranged at the upper end of the rotary friction mechanism 10, a driving module 5 is arranged at the upper end of the heat sink module 9, a stepping motor is arranged in the driving module 5, and the output end of the stepping motor is connected with the crushing mechanism 6; the stirring head 1 is rotatably connected with a rotary friction mechanism 10.
Wherein, rotatory friction mechanism 10 contains rotation axis 8, is equipped with a plurality of rotating vane 11 on the rotation axis 8, and rotation axis 8 upper end both sides still are equipped with collection mouth frock 7.
Wherein, rubbing crusher 6 contains the emery wheel piece, and rubbing crusher 6 both sides still are equipped with fixed block 12, and rubbing crusher 6 rotates with rotatory friction mechanism 10 and is connected.
Wherein, the rotary friction mechanism 10 is connected with the cooling liquid water outlet 3 and the cooling liquid water inlet 2 in a penetrating way.
A high-entropy alloy friction stir additive preparation process comprises the following steps:
feeding pure metal wires with different thicknesses into a feeding hole through a feeding mechanism;
feeding the fed pure metal wire into a crushing mechanism, and crushing to obtain a flaky sheet;
thirdly, enabling the crushed pure metal sheet to flow into a rotary friction mechanism for stirring and friction to obtain a fused and softened metal base material;
step four, the fused and softened metal base material flows to the substrate from the opening of the stirring head, and further friction and stirring treatment are carried out;
fifthly, cooling the dynamic metal base material after further friction and stirring;
and step six, after the cooled and recrystallized metal base materials are accumulated layer by layer, the high-entropy alloy friction stir material additive manufacturing is completed.
Wherein, in the first step, the number of the pure metal wires is five or more than five, such as Fe, Co, Cr, Al and Ni alloy.
In the second step, the crushed sheet material is formed by crushing the metal wire with low melting point into larger flaky powder and the metal with high melting point into smaller flaky powder.
And in the fifth step, cooling solidification is carried out through circulating of cooling liquid.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the scope of the protection of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784736.2A CN113369671A (en) | 2021-07-12 | 2021-07-12 | High-entropy alloy stirring friction material increasing device and preparation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784736.2A CN113369671A (en) | 2021-07-12 | 2021-07-12 | High-entropy alloy stirring friction material increasing device and preparation process |
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| Publication Number | Publication Date |
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| CN113369671A true CN113369671A (en) | 2021-09-10 |
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| CN202110784736.2A Withdrawn CN113369671A (en) | 2021-07-12 | 2021-07-12 | High-entropy alloy stirring friction material increasing device and preparation process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857643A (en) * | 2021-09-17 | 2021-12-31 | Dig自动化工程（武汉）有限公司 | Friction stir welding additive manufacturing mechanism based on powder |
| CN114799480A (en) * | 2022-04-23 | 2022-07-29 | 哈尔滨工业大学 | Synchronous uninterrupted wire feeding all-solid-phase friction stir additive manufacturing method and device |
| CN115213544A (en) * | 2022-06-15 | 2022-10-21 | 南京工业大学 | System and method for manufacturing high-entropy alloy through multi-wire synchronous stirring and material increase |
| CN118106601A (en) * | 2024-04-09 | 2024-05-31 | 江苏海洋大学 | Method for preparing high entropy alloy reinforced aluminum-based gradient composite material by friction stir method |
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| CN101537538A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Integrated pin tool for friction stir welding and composite method of resistance-friction stir welding thereof |
| CN101537539A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Pin tool for friction stir welding and current carrying friction stir welding method |
| CN110102867A (en) * | 2019-04-23 | 2019-08-09 | 南昌航空大学 | One kind is from feed paddle friction extrusion method, device and from feed paddle head |
| US20200306869A1 (en) * | 2017-10-31 | 2020-10-01 | MELD Manufacturing Corporation | Solid-state additive manufacturing system and material compositions and structures |
| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| CN215145653U (en) * | 2021-07-12 | 2021-12-14 | 浙江大学湖州研究院 | A high-entropy alloy friction stir additive device |
-
2021
- 2021-07-12 CN CN202110784736.2A patent/CN113369671A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537538A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Integrated pin tool for friction stir welding and composite method of resistance-friction stir welding thereof |
| CN101537539A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Pin tool for friction stir welding and current carrying friction stir welding method |
| US20200306869A1 (en) * | 2017-10-31 | 2020-10-01 | MELD Manufacturing Corporation | Solid-state additive manufacturing system and material compositions and structures |
| CN110102867A (en) * | 2019-04-23 | 2019-08-09 | 南昌航空大学 | One kind is from feed paddle friction extrusion method, device and from feed paddle head |
| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| CN215145653U (en) * | 2021-07-12 | 2021-12-14 | 浙江大学湖州研究院 | A high-entropy alloy friction stir additive device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857643A (en) * | 2021-09-17 | 2021-12-31 | Dig自动化工程（武汉）有限公司 | Friction stir welding additive manufacturing mechanism based on powder |
| CN114799480A (en) * | 2022-04-23 | 2022-07-29 | 哈尔滨工业大学 | Synchronous uninterrupted wire feeding all-solid-phase friction stir additive manufacturing method and device |
| CN115213544A (en) * | 2022-06-15 | 2022-10-21 | 南京工业大学 | System and method for manufacturing high-entropy alloy through multi-wire synchronous stirring and material increase |
| CN118106601A (en) * | 2024-04-09 | 2024-05-31 | 江苏海洋大学 | Method for preparing high entropy alloy reinforced aluminum-based gradient composite material by friction stir method |
| CN118106601B (en) * | 2024-04-09 | 2024-07-19 | 江苏海洋大学 | Method for preparing high entropy alloy reinforced aluminum-based gradient composite material by friction stir method |
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Application publication date: 20210910 |