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Face-centred cubic structure Ti3Si nano particles and preparation method thereof

A face-centered cubic and nanoparticle technology, applied in the fields of nanostructure manufacturing, nanotechnology, nanotechnology, etc., can solve the problems of long production cycle, environmental pollution, complex process, etc., achieving low energy consumption, wide application prospects, and simple process. Effect

Inactive Publication Date: 2012-07-11
无锡润鹏复合新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current research has many problems such as complex process, long production cycle, high energy consumption, and a certain degree of pollution to the environment, so the application is greatly restricted, and titanium-silicon alloy nanomaterials have not been used Many natural advantages are fully used by human beings

Method used

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  • Face-centred cubic structure Ti3Si nano particles and preparation method thereof
  • Face-centred cubic structure Ti3Si nano particles and preparation method thereof
  • Face-centred cubic structure Ti3Si nano particles and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0017] Weigh 20g of analytically pure titanium powder (300 mesh) and 3.89g of silicon powder (300 mesh) according to the molar ratio of 3:1, mix them in a mortar and put them into the ball milling jar of the planetary high-energy ball mill, and then put them into the ball milling jar. Add 10ml of alcohol as the liquid medium of ball milling, vacuumize the ball mill tank, pass Ar (argon), the ventilation rate is 0.5L / min, and use three kinds of steel balls with diameters of 10mm, 6mm and 4mm under 0.2Mpa. 50 pieces each, ball-milled the mixture for 12 hours, the voltage of the ball mill was 110V, and the ball-milling speed was 200rad / min; after the ball-milling, the mixture was put into a vibration dryer, and the temperature was raised to 50°C at a heating rate of 5°C / min. After that, vibrate and dry for 60 minutes to completely remove the alcohol, and then naturally cool to room temperature and pass through a 300-mesh sieve to obtain a face-centered cubic structure of Ti. 3 Si...

Embodiment 2

[0020] According to the molar ratio of 3:1.2, 20g of analytically pure titanium powder (300 mesh) and 4.67g of silicon powder (300 mesh) were respectively weighed, mixed with a mortar and put into the ball milling jar of the planetary high-energy ball mill, and then put into the ball milling jar. Add 10ml of alcohol as the liquid medium of ball milling, vacuumize the ball mill tank, pass Ar (argon), the ventilation rate is 0.5L / min, and use three kinds of steel balls with diameters of 10mm, 6mm and 4mm under 0.2Mpa. 50 pieces each, ball-milled the mixture for 12 hours, the voltage of the ball mill was 110V, and the ball-milling speed was 200rad / min; after the ball-milling, the mixture was put into a vibration dryer, and the temperature was raised to 50°C at a heating rate of 5°C / min. After that, vibrate and dry for 60 minutes to completely remove the alcohol, and then naturally cool to room temperature and pass through a 300-mesh sieve to obtain a face-centered cubic structure ...

Embodiment 3

[0023] Weigh 20g of analytically pure titanium powder (300 mesh) and 5.83g of silicon powder (300 mesh) according to the molar ratio of 3:1.5, mix them in a mortar and put them into the ball mill of the planetary high-energy ball mill, and then put them into the ball mill. Add 10ml of alcohol as the liquid medium of ball milling, vacuumize the ball mill tank, pass Ar (argon), the ventilation rate is 0.5L / min, and use three kinds of steel balls with diameters of 10mm, 6mm and 4mm under 0.2Mpa. 50 pieces each, ball-milled the mixture for 12 hours, the voltage of the ball mill was 110V, and the ball-milling speed was 200rad / min; after the ball-milling, the mixture was put into a vibration dryer, and the temperature was raised to 50°C at a heating rate of 5°C / min. After that, vibrate and dry for 60 minutes to completely remove the alcohol, and then naturally cool to room temperature and pass through a 300-mesh sieve to obtain a face-centered cubic structure of Ti. 3 Si nanoparticl...

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Abstract

The invention discloses face-centred cubic structure Ti3Si nano particles and a preparation method thereof. In the method, titanium powder and silicon powder are used as main materials, argon is used as protective gas, alcohol is used as liquid medium for ball milling, a planetary high-energy ball mill and a vibration drier are used as main production devices, and a mechanical alloying method is used to prepare the face-centred cubic structure Ti3Si nano particles. The method has the advantages of simple technology, easily-controlled parameters, short production cycle, low energy consumption and no environment pollution, and is fit for industrialization production. The face-centred cubic structure Ti3Si nano particle has the advantages of small diameter of 15-120nm, low density, high strength, high temperature resistance, oxidation resistance, good electrical conductivity and heat conduction, and the like, and has wide application prospect and huge potential economic benefits in engineering technology, space technology, national defense industry, micro-electronics and other fields.

Description

technical field [0001] The invention relates to nano-titanium-silicon compounds, in particular, a face-centered cubic structure Ti 3 Si nanoparticles and preparation method thereof. Background technique [0002] Titanium-silicon alloys have attracted more and more attention due to their good casting properties and mechanical properties. Nanocrystalline, amorphous and other metastable materials of titanium-silicon alloys are more because of their low density, high strength, high temperature resistance, oxidation resistance, It is expected to be more widely used in important fields such as microelectronics, aerospace, and national defense due to its excellent electrical and thermal conductivity and many other excellent properties. At present, the research on titanium-silicon alloy nanomaterials mainly focuses on Ti 5 Si 3 aspect, especially for the addition of Ti 5 Si 3 The changes of thermal expansion coefficient, Young's modulus, hardness, creep strength, fracture tough...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/06B82B3/00
Inventor 李长生吴琼唐华
Owner 无锡润鹏复合新材料有限公司