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A device for simulating the fusion of molten droplets and solidified droplets in a microgravity environment

A technology for simulating microgravity and microdroplets, applied in the investigation phase/state change, etc., can solve the problems of inability to complete the uniform microdroplet fusion test in a simulated microgravity environment on the ground, and achieve the effects of simple structure, convenient observation and low cost

Active Publication Date: 2022-05-03
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the disadvantage that the existing drop tube device cannot complete the uniform droplet fusion test in the simulated microgravity environment on the ground, and provides a device for fusing molten droplets and solidified droplets in a simulated microgravity environment

Method used

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  • A device for simulating the fusion of molten droplets and solidified droplets in a microgravity environment
  • A device for simulating the fusion of molten droplets and solidified droplets in a microgravity environment
  • A device for simulating the fusion of molten droplets and solidified droplets in a microgravity environment

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Embodiment Construction

[0056] Below in conjunction with accompanying drawing and specific embodiment content of the present invention is described in further detail:

[0057] see Figure 1-Figure 11 , the fusion device in the present invention includes a control module and a uniform metal droplet ejection module, a solidified metal droplet release module and a position adjustment module arranged in a hypoxic environment from top to bottom. The hypoxic environment is provided by the drop pipe device (mainly vacuum environment or inert gas environment), and the height of the drop pipe device is generally not less than 2.5 meters, and the fusion device is set on the top of the drop pipe device. An image acquisition module can be set in the drop tube system to record the chasing and fusion process of molten metal droplets and solidified metal droplets, which is convenient for researchers to understand the falling trajectories of chasing and fusion, and explore the optimal fusion timing.

[0058] The co...

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Abstract

The invention provides a device for simulating the fusion of molten droplets and solidified droplets in a microgravity environment, which solves the disadvantage that the existing drop pipe device cannot complete the uniform droplet fusion test in a ground simulated microgravity environment. The device has a solidified droplet releasing module for containing / releasing solidified metal droplets, and cooperates with a uniform metal droplet ejection module, a position adjustment module and a control module to realize controlled fusion of metal droplets under microgravity conditions, Acquire fusion droplet samples and collect image data (with the help of image acquisition module), laying the foundation for the study of metal droplet microgravity fusion behavior and even space metal 3D printing.

Description

technical field [0001] The invention belongs to the technical field of microgravity 3D printing, and in particular relates to a device for fusing molten droplets and solidified droplets in a simulated microgravity environment. Background technique [0002] Uniform metal droplet jet printing technology is based on uniform metal droplet as the basic forming unit, according to the shape characteristics of the part point by point, layer by layer "accumulation" to realize the rapid printing technology of three-dimensional structure, which has the advantages of no expensive high-power energy source and special equipment, No need for special metal raw materials and the advantages of controllable metal droplet size. Applying it in a microgravity environment is expected to provide new ideas for space metal 3D printing, and realize on-site rapid manufacturing and repair of tools and parts in space stations and manned space vehicles. And material recycling, get rid of the dependence of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/02
CPCG01N25/02
Inventor 齐乐华夏宇翔罗俊王熠晨李贺军
Owner NORTHWESTERN POLYTECHNICAL UNIV
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