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Low-melting-point and high-strength heat-sensitive material and preparation method thereof

A heat-sensitive material and high-strength technology, used in metal processing equipment, transportation and packaging, etc., can solve problems such as temperature rise and pressure expansion, and achieve the effect of simple process, improved service life and reduced use cost.

Active Publication Date: 2019-07-12
昆明铂生金属材料加工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During long-term use, pressure expansion will inevitably occur inside the cavity, which may be accompanied by phenomena such as temperature rise

Method used

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  • Low-melting-point and high-strength heat-sensitive material and preparation method thereof
  • Low-melting-point and high-strength heat-sensitive material and preparation method thereof
  • Low-melting-point and high-strength heat-sensitive material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029](1) Select tin powder, bismuth powder, silver powder with a mass of 10.44g, 14.41g, 0.125g and 0.025g with a purity of 99.99% and a hydrophilic anatase titanium dioxide powder with a particle size of 5-10 nanometers. Mechanical stirring was carried out in a high-purity argon vacuum glove box for 1 hour to obtain 25 g of mixed powder.

[0030] (2) Choose 20g, 40g and 140g of zirconia grinding balls with three sizes of large, medium and small with diameters of 15mm, 10mm and 8.5mm respectively.

[0031] (3) Put 25g of mixed powder and zirconia grinding balls of large, medium and small sizes into a cylindrical nylon ball mill with a diameter of 8cm and a height of 10cm and add 50ml of analytically pure toluene solution into it.

[0032] (4) Immerse the ball mill jar in liquid nitrogen for 3 hours, vacuumize the jar body, fill with high-purity argon gas, wash off the vacuum, thaw at room temperature, and repeat the above steps 3 times.

[0033] (5) Put the ball mill jar int...

Embodiment 2

[0041] (1) Select 8.25g, 11.40g, 0.30g and 0.05g of tin powder, bismuth powder, silver powder with a purity of 99.99% and hydrophilic anatase titanium dioxide powder with a particle size of 5-10 nanometers respectively. The mixture was mechanically stirred and mixed in an argon vacuum glove box, and stirred for 1 hour to obtain 20 g of mixed powder.

[0042] (2) Choose 20g, 35g and 112g of zirconia grinding balls with three sizes of large, medium and small with diameters of 15mm, 10mm and 8.5mm respectively.

[0043] (3) Put 20g of mixed powder and zirconia grinding balls of large, medium and small sizes into a cylindrical nylon ball mill with a diameter of 8cm and a height of 10cm and add 40ml of analytically pure toluene solution into it.

[0044] (4) Same as Example 1(4).

[0045] (5) Put the ball mill jar into the planetary ball mill, set the speed to 125rpm / min, rotate clockwise for 30 minutes and let it stand for 5 minutes, then rotate counterclockwise for 30 minutes an...

Embodiment 3

[0050] (1) 10.34g, 14.28g, 0.25g and 0.125g of tin powder, bismuth powder, silver powder with a purity of 99.99% and hydrophilic anatase titanium dioxide powder with a particle size of 5-10 nanometers were selected respectively. The mixture was mechanically stirred and mixed in an argon vacuum glove box, and stirred for 1 hour to obtain 20 g of mixed powder.

[0051] (2) Choose 20g, 40g and 140g of zirconia grinding balls with three sizes of large, medium and small with diameters of 15mm, 10mm and 8.5mm respectively.

[0052] (3) Put 25g of mixed powder and zirconia grinding balls of large, medium and small sizes into a cylindrical nylon ball mill with a diameter of 8cm and a height of 10cm and add 40ml of analytically pure toluene solution into it.

[0053] (4) Same as Example 1(4).

[0054] (5) Put the ball mill into the planetary ball mill, set the rotational speed to 140rpm / min, rotate clockwise for 30 minutes and then let it stand for 5 minutes, then rotate counterclockw...

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Abstract

The invention relates to a low-melting-point and high-strength heat-sensitive material and a preparation method thereof. The heat-sensitive material can be used in a pressure relief protection deviceof a pressure container. The heat-sensitive material is simple in process and low in manufacturing cost; the own mechanical property of the material is improved to the great extent while a low meltingpoint and a small melting range of an alloy are ensured, so that the material can be applied in more wide fields.

Description

technical field [0001] The invention relates to a low-melting point high-strength heat-sensitive material and a preparation method thereof. The heat-sensitive material can be used as a pressure relief protection device of a pressure vessel. Background technique [0002] Pressure vessel equipment, such as coolers, buffers, gas storage tanks, evaporators, liquid storage tanks, etc., has an important position and role in many sectors such as civil, military, industrial, and many fields of scientific research. They are mainly used to store and transport pressurized gas, liquid or solid-liquid mixed materials. In this process, the pressure in the cavity will inevitably expand due to heat exchange, reaction, mass transfer and other processes, resulting in deformation, cracking and leakage of the container. etc. phenomenon. The protective valve of the pressure vessel must be able to withstand a certain pressure. During long-term use, pressure expansion will inevitably occur insid...

Claims

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Application Information

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IPC IPC(8): C22C12/00C22C1/05C22C1/10B22F1/00B22F9/04
CPCC22C12/00C22C1/05B22F9/04B22F2009/043B22F2009/042B22F1/145
Inventor 赵修臣卫宇航刘影夏谭成文于晓东聂志华
Owner 昆明铂生金属材料加工有限公司
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