CN102151829A - Assisted densification ultrasonic vibration and deposition device for spray-formed deposition billet - Google Patents
Assisted densification ultrasonic vibration and deposition device for spray-formed deposition billet Download PDFInfo
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- CN102151829A CN102151829A CN 201110069497 CN201110069497A CN102151829A CN 102151829 A CN102151829 A CN 102151829A CN 201110069497 CN201110069497 CN 201110069497 CN 201110069497 A CN201110069497 A CN 201110069497A CN 102151829 A CN102151829 A CN 102151829A
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- 230000008021 deposition Effects 0.000 title claims abstract description 38
- 238000000280 densification Methods 0.000 title claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims 5
- 238000010107 reaction injection moulding Methods 0.000 claims 5
- 239000013049 sediment Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000009718 spray deposition Methods 0.000 abstract description 6
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000003892 spreading Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000005137 deposition process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910002796 Si–Al Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
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Abstract
一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置，它涉及一种超声振动沉积装置。本发明为了解决现有的雾滴在沉积过程中由于凝固区间宽、粘度高，铺展困难，容易形成空隙，需要进行致密化处理后才能得到优异性能的沉积坯锭的问题。本发明包括沉积盘(1)和旋转电机(2)，沉积盘(1)设置在旋转电机(2)的输出轴上，一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置还包括法兰(3)、压电陶瓷(4)和支撑盘(5)，法兰(3)、压电陶瓷(4)和支撑盘(5)由上至下依次固定连接并套装在旋转电机(2)上。本发明适用于喷射成形过程中沉积坯锭的制备，本发明制备的沉积坯锭质量高、均匀性好，适于成品化、产业化生产。
The invention relates to an ultrasonic vibration deposition device for auxiliary densification of a spray-formed deposition billet, which relates to an ultrasonic vibration deposition device. The present invention solves the problem that in the existing fog droplet deposition process, due to wide solidification range, high viscosity, difficulty in spreading, and easy formation of voids, a deposition ingot with excellent performance needs to be densified. The invention comprises a deposition disk (1) and a rotary motor (2), the deposition disk (1) is arranged on the output shaft of the rotary motor (2), and an ultrasonic vibration deposition device for assisting densification of a spray-formed deposition ingot also includes a method The flange (3), the piezoelectric ceramic (4) and the support plate (5), the flange (3), the piezoelectric ceramic (4) and the support plate (5) are fixedly connected from top to bottom and set on the rotating motor (2 )superior. The invention is suitable for the preparation of the deposited billet in the spray forming process, and the deposited billet prepared by the invention has high quality and good uniformity, and is suitable for finished product and industrialized production.
Description
技术领域technical field
本发明涉及一种超声振动沉积装置，具体涉及一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置，属于材料加工技术领域。The invention relates to an ultrasonic vibration deposition device, in particular to an ultrasonic vibration deposition device for auxiliary densification of a spray-formed deposition billet, and belongs to the technical field of material processing.
背景技术Background technique
喷射成形技术是一种快速凝固近终型材料制备新技术，该技术具有提高合金元素固溶度、细化合金组织、减小合金元素偏析、细化第二相颗粒等特点。用喷射成形技术制备的材料与铸态材料相比，其强度大幅度提高，延伸率也能保持一定的水平。另外，该技术摒弃了粉末冶金工序繁多，氧化严重等不足，同时又兼有粉末冶金技术的优点，是一种极具竞争力的快速凝固工艺。在英国、美国、德国、日本等发达国家，该技术已被广泛应用的航空、航天等领域。Spray forming technology is a new technology for the preparation of rapidly solidified near-net materials. This technology has the characteristics of increasing the solid solubility of alloying elements, refining the alloy structure, reducing the segregation of alloying elements, and refining the second phase particles. Compared with the as-cast material, the strength of the material prepared by spray forming technology is greatly improved, and the elongation rate can also maintain a certain level. In addition, this technology abandons the shortcomings of powder metallurgy, such as numerous processes and severe oxidation, and at the same time has the advantages of powder metallurgy technology, and is a very competitive rapid solidification process. In developed countries such as the United Kingdom, the United States, Germany, and Japan, this technology has been widely used in aviation, aerospace and other fields.
电子封装Si-Al合金以及其它高熔点的合金在喷射成形过程中，熔融的金属液滴被雾化后在沉积坯表面或沉积器上碰撞、堆积，当雾滴到达沉积端面时大部分处于半固态并具有较大的动能，它们与沉积面发生碰撞粘结，同时还发生了复杂的物理和化学变化，这是喷射成形技术中最关键的所在，但是现有的雾滴在沉积过程中由于凝固区间宽、粘度高，铺展困难，容易形成空隙，需要进行致密化处理后才能得到优异性能的沉积坯锭。Electronic packaging Si-Al alloys and other high-melting point alloys are sprayed during the spray forming process. After the molten metal droplets are atomized, they collide and accumulate on the surface of the deposition blank or the depositor. When the droplets reach the deposition end surface, most of them are in the half They are solid and have a large kinetic energy. They collide with the deposition surface and undergo complex physical and chemical changes. This is the most critical point in the spray forming technology. The solidification range is wide, the viscosity is high, the spreading is difficult, and voids are easy to form. It needs to be densified to obtain a deposited ingot with excellent performance.
发明内容Contents of the invention
本发明的目的是为了解决现有的雾滴在沉积过程中由于凝固区间宽、粘度高，铺展困难，容易形成空隙，需要进行致密化处理后才能得到优异性能的沉积坯锭的问题，进而提供一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置。The purpose of the present invention is to solve the problem that the existing fog droplets have wide solidification range, high viscosity, difficulty in spreading, and easy formation of voids during the deposition process, and the deposition ingot with excellent performance needs to be densified before being obtained, and further provides An ultrasonic vibration deposition device for auxiliary densification of a spray-formed deposition billet.
本发明的技术方案是：一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置包括沉积盘和旋转电机，沉积盘设置在旋转电机的输出轴上，一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置还包括法兰、压电陶瓷和支撑盘，法兰、压电陶瓷和支撑盘由上至下依次固定连接并套装在旋转电机上。The technical scheme of the present invention is: an ultrasonic vibration deposition device for auxiliary densification of a spray-formed deposition ingot includes a deposition disc and a rotating motor, the deposition disc is arranged on the output shaft of the rotary motor, and an auxiliary densification device for a spray-formed deposition billet The chemical ultrasonic vibration deposition device also includes flanges, piezoelectric ceramics and support discs, and the flanges, piezoelectric ceramics and support discs are fixedly connected in sequence from top to bottom and fitted on the rotating motor.
本发明与现有技术相比具有以下效果：1.本发明在高纯气体保护下利用压电陶瓷产生的超声振动引起雾滴向下的流动利于铺展，有效的提高了沉积坯锭的致密度，同时，压电陶瓷产生的超声振动能使雾滴破碎，增加形核质点，从而细化了晶粒；半固态的雾滴在振动的情况下，能够产生微小的塑性变形，能够释放沉积坯锭中的应力，从而有效的减小了沉积坯锭在后续加工过程中的开裂倾向；压电陶瓷产生的超声振动在合金凝固过程中能够充填间隙，弥合裂纹和分层。2.本发明的制备出的沉积坯锭质量高、均匀性好，适于成品化、产业化生产。Compared with the prior art, the present invention has the following effects: 1. Under the protection of high-purity gas, the present invention uses the ultrasonic vibration generated by piezoelectric ceramics to cause the downward flow of droplets to facilitate spreading, and effectively improves the density of the deposited ingot , at the same time, the ultrasonic vibration generated by piezoelectric ceramics can break the droplets, increase the nucleation particles, and thus refine the grains; the semi-solid droplets can produce tiny plastic deformation under the condition of vibration, and can release the deposited body. The stress in the ingot can effectively reduce the cracking tendency of the deposited billet in the subsequent processing process; the ultrasonic vibration generated by the piezoelectric ceramic can fill the gap, bridge the crack and delamination during the alloy solidification process. 2. The deposited ingot prepared by the present invention has high quality and good uniformity, and is suitable for finished product and industrialized production.
附图说明Description of drawings
图1是本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式Detailed ways
具体实施方式一：结合图1说明本实施方式，本实施方式的一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置包括沉积盘1和旋转电机2，沉积盘1设置在旋转电机2的输出轴上，一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置还包括法兰3、压电陶瓷4和支撑盘5，法兰3、压电陶瓷4和支撑盘5由上至下依次固定连接并套装在旋转电机2上。Specific Embodiment 1: This embodiment is described with reference to FIG. 1. An ultrasonic vibration deposition device for assisting densification of a spray-molded deposition billet in this embodiment includes a deposition disk 1 and a rotating
具体实施方式二：结合图1说明本实施方式，本实施方式所述一种喷射成形沉积坯锭的辅助致密化超声振动沉积装置还包括多个螺栓6，法兰3与支撑盘5之间通过多个螺栓6连接。如此设置，便于法兰3和支撑盘5之间能够牢固的连接，同时，有效的防止了由于振动导致法兰3、压电陶瓷4和支撑盘5的松动。其它组成和连接关系与具体实施方式一相同。Specific Embodiment 2: This embodiment is described with reference to FIG. 1. The ultrasonic vibration deposition device for auxiliary densification of a spray-formed deposition billet described in this embodiment also includes a plurality of
本实施方式的压电陶瓷4的直径小于法兰3的直径，法兰3的直径小于支撑盘5的直径。The diameter of the piezoelectric ceramic 4 in this embodiment is smaller than the diameter of the
具体实施方式三：结合图1说明本实施方式，本实施方式的支撑盘5由不锈钢制成。如此设置，便于完成对法兰3和压电陶瓷4的支撑。其它组成和连接关系与具体实施方式一或二相同。Specific Embodiment 3: This embodiment is described with reference to FIG. 1 . The support plate 5 of this embodiment is made of stainless steel. Such setting facilitates the support of the
本实施方式的工作过程是：将压电陶瓷与电源之间通过导线连接，并对压电陶瓷进行通电，当电压作用于压电陶瓷时，利用压电陶瓷的逆压电效应，激发弹性体在超声频段内发生微幅振动，压电陶瓷振动传递给旋转电机2、法兰3和支撑盘5超声振动，旋转电机2的输出轴带动沉积盘1超声振动，由此制作的沉积坯锭质量高、均匀性好。The working process of this embodiment is: connect the piezoelectric ceramics to the power supply through wires, and energize the piezoelectric ceramics. When the voltage acts on the piezoelectric ceramics, the inverse piezoelectric effect of the piezoelectric ceramics is used to excite the elastic body. Micro-amplitude vibration occurs in the ultrasonic frequency band, and the piezoelectric ceramic vibration is transmitted to the rotating
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102778A (en) * | 2021-04-06 | 2021-07-13 | 哈尔滨工业大学 | Ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for large-volume parts |
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2011
- 2011-03-22 CN CN 201110069497 patent/CN102151829A/en active Pending
Patent Citations (8)
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| US5646469A (en) * | 1992-12-03 | 1997-07-08 | Canon Kabushiki Kaisha | Vibration driven motor including a vibration member having an elastic contact portion and a contact member having an elastic contact portion |
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| CN1389974A (en) * | 2002-07-31 | 2003-01-08 | 清华大学 | Great-moment oscillating piezoelectric ultrasonic motor |
| CN101388620A (en) * | 2008-07-07 | 2009-03-18 | 哈尔滨工业大学 | Sandwich type cylindrical stator and ultrasonic motor using the stator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113102778A (en) * | 2021-04-06 | 2021-07-13 | 哈尔滨工业大学 | Ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for large-volume parts |
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Application publication date: 20110817 |