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Lightweight liquid metal composite material and preparation and application thereof

A technology of liquid metal and composite materials, applied in the field of lightweight materials, can solve the problems of lack of conductivity, poor plasticity and mechanical properties, and heavy device quality, and achieve the effect of excellent conductivity

Active Publication Date: 2020-01-17
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the density of liquid metal is high, and the quality of the manufactured devices is relatively heavy, which limits its application in soft robots, wearable devices and underwater devices.
And its high surface tension and high fluidity adversely affect its shaping
[0004] Most of the existing lightweight materials are polymer materials, most of which do not have electrical conductivity, and their plasticity and mechanical properties are poor, which makes it difficult to meet the needs of materials in robotics and other fields.

Method used

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  • Lightweight liquid metal composite material and preparation and application thereof
  • Lightweight liquid metal composite material and preparation and application thereof
  • Lightweight liquid metal composite material and preparation and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0047] Application of lightweight liquid metal composites in water surface circuits.

[0048] The materials described in the present invention can be used as raw materials for water surface circuit switches. Such as figure 2 As shown, the water surface circuit is composed of a wire 21 connected to an external power supply, a light-emitting diode 22 placed in water 23, and a floating switch 24 made of lightweight liquid metal composite material floats on the water surface. When the switch 24 is not connected into the circuit, the LED 23 does not emit light. After the switch 24 is connected into the circuit, the circuit is turned on, and the light emitting diode 23 emits light. This kind of water circuit design provides a new idea

Embodiment 2

[0050] Application of lightweight liquid metal composites in aquatic robots.

[0051] The material described in the present invention can be used as the design raw material of the floating part of the water robot. When put directly into the water, the aquatic robot can float on the water due to its low density. When it needs to dive, inject a proper amount of water into the floating part, and its density can be adjusted, so as to realize the behavior of partial submersion, hovering and complete submersion. This provides a new approach for the design of position-controllable soft underwater robots, achieving accurate control.

[0052] It can be seen that the present invention can produce lightweight liquid metal materials with low density, controllable stiffness, and strong plasticity, which can be applied to various fields such as surface circuit and underwater equipment manufacturing.

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Abstract

The invention discloses a lightweight liquid metal composite material. The lightweight liquid metal composite material comprises liquid metal, hollow glass microspheres and a packaging material. The hollow glass microspheres and the liquid metal are mixed in certain proportion, then a required shape is formed through a mold or through manual kneading, and then the packaging material is sprayed onthe surface to obtain the lightweight liquid metal composite material. The lightweight liquid metal composite material is low in density, controllable in rigidity and high in plasticity, can be used for preparing devices capable of regulating rigidity, and devices capable of regulating floatation behaviors such as water-surface circuit switches and floatation parts of overwater robots, and is applied to various fields like manufacturing of water-surface circuits and in-water equipment.

Description

technical field [0001] The invention belongs to the technical field of lightweight materials, in particular to a lightweight liquid metal composite material and its preparation and application. Background technique [0002] Soft robots and underwater robots have always been research hotspots. How to design a soft robot with small size, low weight and multi-function is one of the problems to be solved urgently. Liquid metal has become a hot material in the field of materials due to its high electrical conductivity, thermal conductivity and good fluidity, and is regarded as a possible solution. [0003] However, liquid metal has a high density and the manufactured devices are heavy, which limits its application in soft robots, wearable devices and underwater devices. And its high surface tension and high fluidity adversely affect its shaping. [0004] Most of the existing lightweight materials are polymer materials, most of which do not have electrical conductivity, and the...

Claims

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Application Information

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IPC IPC(8): C22C28/00C22C1/10
CPCC22C28/00C22C1/1036C22C1/1047
Inventor 袁博刘静
Owner TSINGHUA UNIV