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Microwave high-power material and preparation process thereof

A preparation process and high-power technology, which is applied in the field of microwave high-power materials and its preparation process, can solve problems such as huge investment, achieve low pass rate, reduce processing difficulty, and increase obvious effects

Active Publication Date: 2019-06-18
成都图兰达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the research requires a huge investment, and there is still a long time before the material is mass-produced and put into use.

Method used

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  • Microwave high-power material and preparation process thereof
  • Microwave high-power material and preparation process thereof
  • Microwave high-power material and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The invention proposes a microwave high-power material, which has extremely high stability and wider application range under high-power conditions, and is composed of alumina ceramic powder, industrial silicon, water and dextrin.

[0051] When traditional materials such as metal cannot play a role, high-temperature stealth or high-temperature absorbing materials composed of ceramic materials and their composite materials have the advantages of good high-temperature mechanical properties and low density (about 1 / 4-1 / 3 of iron) ), stable wave-absorbing performance (resistance-type wave-absorbing and resistance increases with temperature more stable, no electromagnetic loss attenuation and yield effect), can also effectively weaken the infrared radiation signal; the present invention uses ceramic (95% α alumina) base Industrial silicon is the main component to produce high-power absorbing materials.

Embodiment 2

[0053] This embodiment is further optimized on the basis of the above-mentioned embodiments. Further, in order to better realize a microwave high-power material described in the present invention, the following setting method is specially adopted: the raw material ratio of the microwave high-power material Calculated as a percentage by weight:

[0054]

Embodiment 3

[0056] This embodiment is further optimized on the basis of Embodiment 1 or 2. Further, in order to better realize a microwave high-power material described in the present invention, the following setting method is specially adopted: the raw material of the microwave high-power material Proportioning is calculated by weight percentage as:

[0057]

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Abstract

The invention discloses a microwave high-power material and a preparation process thereof. The preparation process includes: preparing aluminum oxide ceramic powder, industrial silicon, water and dextrin according to proportion, adding the aluminum oxide ceramic powder, the industrial silicon and the dextrin into a grinder, grinding for 20-40 minutes, adding the water, grinding for 20-40 minutes,taking out, and aging for 70-75 hours; placing the powder material into a mould, applying pressure of 8-12MPa, maintaining the pressure for 8-15 seconds, demoulding to take out a formed wave-absorbingmaterial green body, and placing at normal temperature for 70-75 hours; placing the wave-absorbing material green body into an electric kiln, and sintering according to the corresponding relation between sintering set temperature and sintering set time; cutting the wave-absorbing material green body into a required product shape, performing fine grinding, heating to 150 DEG C in a drying oven, keeping the temperature for 20 minutes, taking out, and cooling to room temperature to obtain the microwave high-power material. The microwave high-power material and the preparation process has the advantages that when the prepared microwave high-power material is applied to high frequency, material size is increased evidently, and processing difficulty is lowered evidently; the actually measured indexes of the material can satisfy use requirements, and the power of the material is increased greatly.

Description

technical field [0001] The invention relates to the fields of microwave material technology and the like, specifically, a microwave high-power material and a preparation process thereof. Background technique [0002] As an important part of environmental science and military cutting-edge technology, microwave absorbing materials have become a hot spot in today's scientific and technological research. Use microwave absorbing materials to prevent the opponent from discovering, tracking and attacking. At the same time, it is also an indispensable key material in many microwave electric vacuum devices. With the development of science and technology, microwave absorbing materials are more and more widely used in daily life, such as: solar energy devices, darkrooms, etc. These microwave absorbing materials are mainly composed of C, Si, Zn, Fe and other elements, and are easy to produce. Microwave absorbing materials refer to a class of functional materials that can absorb and at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10
Inventor 郑腾洲谢宇进徐小燕
Owner 成都图兰达科技有限公司
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