Detonation method for synthesizing oxide powder

A technique of oxide powder, synthesis method, applied in the field of physics or chemistry

Inactive Publication Date: 2005-01-26
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But at present, there is only one application of the detonation synthesis method, that is, to use the excess carbon in the TNT mixed explosive to synthes

Method used

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  • Detonation method for synthesizing oxide powder
  • Detonation method for synthesizing oxide powder
  • Detonation method for synthesizing oxide powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Mix 1 kg each of aluminum nitrate nonahydrate and Taian explosive powder, add 82 grams of charcoal powder, detonate according to the following chemical equation, and reach the oxygen balance:

[0055]

[0056]

[0057] Put the above-mentioned explosive into a spherical container with a diameter of 3 meters and detonate it with a No. 8 detonator to obtain 135g of nano-alumina, which is a spherical powder with a diameter of less than 50nm.

Embodiment 2

[0059] Mix 1 kg of magnesium nitrate hexahydrate and 1 kg of Taian explosive powder, add 9 grams of charcoal powder, detonate according to the following chemical equation, and reach the oxygen balance:

[0060]

[0061]

[0062] Put the above-mentioned explosive into a spherical container with a diameter of 3 meters and detonate it with a No. 8 detonator to obtain 157g of nano-magnesium oxide, which is a spherical powder with a diameter of less than 50nm.

Embodiment 3

[0064] Mix 2kg of ammonium nitrate powder with 600g of titanium powder, and detonate according to the following chemical equation to achieve oxygen balance:

[0065]

[0066] Put the above-mentioned explosive into a spherical container with a diameter of 3 meters and detonate it with 50g of Taian to obtain 1kg of nano-titanium oxide.

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Abstract

The invention discloses a detonation method for synthesizing oxide powder, wherein the oxide precursor can be used to compose stable detonation explosive, through which the oxide precursor can produce under high temperature and high pressure of detonation oxide powder, nano oxide powder, inter-molecule mixed compound oxide powder, the explosive can be added by inert particles so as to synthesize nano oxide coated powder.

Description

technical field [0001] The invention belongs to the field of physical or chemical methods, and in particular relates to a method for synthesizing oxide powder by detonation at high temperature and high pressure. Background technique [0002] Nanopowder is on the order of nanometers (10 -9 m) ultrafine particles, the size of which ranges from 1 to 100 nm. Due to the extremely small particles, the number of atoms on the grain boundary is more than that inside the grain, with a high concentration of grain boundaries, and a large number of atoms in the defect center of the grain. Therefore, nanopowders have effects such as small size, surface and interface, quantum size, and macroscopic quantum tunneling. Compared with large-particle micropowders with the same composition, nanomaterials often exhibit many unique properties that cannot be compared with other structural materials, such as superstructure. Plasticity, low elasticity, low density, high strength, large magnetic resi...

Claims

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Application Information

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IPC IPC(8): C01B13/14C04B35/01C06B33/00
Inventor 李晓杰
Owner DALIAN UNIV OF TECH
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