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Liquid metal radiation shielding coating material and preparation method thereof

A coating material and radiation shielding technology, applied in the field of materials, can solve problems such as quality reduction, and achieve the effects of convenient operation, easy coating and good viscosity

Inactive Publication Date: 2021-06-25
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention aims at the problems of the density, hardness and toxicity of lead in radiation shielding materials in the prior art, and provides a liquid metal radiation shielding coating material and a preparation method thereof. The low melting point liquid metal radiation shielding coating material of the present invention has better quality Attenuation coefficient, under the same mass attenuation coefficient, the mass can be reduced by about 13% compared with traditional lead

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  • Liquid metal radiation shielding coating material and preparation method thereof
  • Liquid metal radiation shielding coating material and preparation method thereof
  • Liquid metal radiation shielding coating material and preparation method thereof

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Embodiment 1

[0020] Embodiment 1: The liquid metal radiation shielding coating material of this embodiment is Ga 83 In 17 ;

[0021] Liquid Metal Radiation Shielding Coating Material Ga 83 In 17 The preparation method, concrete steps are as follows:

[0022] (1) Clean the metal elemental raw materials Ga and In with dilute hydrochloric acid with a mass concentration of 3 to 5% to remove the oxide layer, and then use deionized water to clean them, then put them into acetone for ultrasonic treatment to remove surface grease, then wash them with deionized water, and dry them. That is, pure metal substances Ga and In are obtained;

[0023] (2) According to the stoichiometric ratio of Ga and In 83:17, mix the pure metal substances Ga and In in step (1) evenly, place in a vacuum induction furnace, and raise the temperature to 120 °C at a constant rate of 5-10 °C / min. ℃ and smelting at constant temperature for 2 to 4 hours, then cool down with the furnace to obtain alloy samples, that is, th...

Embodiment 2

[0025] Embodiment 2: The liquid metal radiation shielding coating material of this embodiment is Ga 20 In 20 sn 20 Bi 20 Zn 20 ;

[0026] Liquid Metal Radiation Shielding Coating Material Ga 20 In 20 sn 20 Bi 20 Zn 20 The preparation method, concrete steps are as follows:

[0027] (1) The metal elemental raw materials Ga, In, Sn, Bi and Zn are washed with dilute hydrochloric acid with a mass concentration of 3 to 5% to remove the oxide layer, cleaned with deionized water, put into acetone and ultrasonically treated to remove surface grease, and then Wash with deionized water and dry to obtain pure metal substances Ga, In, Sn, Bi and Zn;

[0028] (2) According to the stoichiometric ratio of Ga, In, Sn, Bi and Zn 20:20:20:20:20:20, the pure metal substances Ga, In, Sn, Bi and Zn in step (1) are mixed evenly, and placed In a vacuum induction furnace, heat up to 430°C at a constant rate of 5-10°C / min and smelt at a constant temperature for 2-4 hours, then cool down in t...

Embodiment 3

[0030] Embodiment 3: The liquid metal radiation shielding coating material of this embodiment is Ga 50 In 30 sn 20 ;

[0031] Liquid Metal Radiation Shielding Coating Material Ga 50 In 30 sn 20 The preparation method, concrete steps are as follows:

[0032] (1) Clean the metal elemental raw materials Ga, In and Sn with dilute hydrochloric acid with a mass concentration of 3 to 5% to remove the oxide layer, clean with deionized water, put them in acetone for ultrasonic treatment to remove surface grease, and then clean with deionized water , and dry to obtain pure metal substances Ga, In and Sn;

[0033] (2) According to the stoichiometric ratio of Ga, In and Sn 50:30:20, the pure metal substances Ga, In and Sn in step (1) are mixed uniformly, placed in a vacuum induction furnace, and heated at a temperature of 5-10°C / min. Heating rate Raise the temperature to 260°C at a constant speed and smelt at a constant temperature for 2 to 4 hours to cool down in the furnace to ob...

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Abstract

The invention relates to a liquid metal radiation shielding coating material and a preparation method thereof, and belongs to the technical field of materials. In terms of the molar weight of the coating material being 100, the coating material is GaxIn100-x-GayIn80-ySn20, GazIn40-zSn20Bi20 or GavInwSn20Bi20Zn20, x is 20-80, y is 20-50, z is 10-20, v is 15-25, and w is 15-25. The low-melting-point liquid metal radiation shielding coating material has a good mass attenuation coefficient, and the mass of the low-melting-point liquid metal radiation shielding coating material can be reduced by about 13% compared with that of traditional lead under the same mass attenuation coefficient.

Description

technical field [0001] The invention relates to a liquid metal radiation shielding coating material and a preparation method thereof, belonging to the field of material technology. Background technique [0002] Ionizing radiation is widely used in fields such as medical diagnosis, cancer treatment, nuclear science, scientific research and food safety. High-energy ionizing radiation, such as X-rays and gamma rays, can adversely affect cells. In the case of insufficient radiation shielding protection, long-term exposure to excessive radiation doses can seriously endanger human health, leading to radiation sickness, cancer and even death. In addition, X-rays and gamma rays may have an effect on the physical and chemical properties of materials. [0003] Materials with high atomic numbers and densities have a higher probability of interacting with photons, since interactions with photons at high energies are weakened by quadratic effects. Lead has a high density (11.35g / cm3) ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00
CPCC09D1/00
Inventor 范宁宁胡劲王恺钊王开军段云彪张维钧
Owner KUNMING UNIV OF SCI & TECH
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