Diamond particle reinforced molten alloy thermal interface material and preparation method thereof
A technology of diamond particles and thermal interface materials, which is applied in the field of diamond particle-reinforced molten alloy thermal interface materials and its preparation, can solve the problems of high material cost, poor wettability, and large fluidity, and achieve simple equipment, easy operation, The effect of enhancing thermal conductivity
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Embodiment 1
[0033] Adopt the following steps to realize the present invention:
[0034] (1) Slowly dissolve 4g of metal tungsten particles with a purity of 99.9% in 30% hydrogen peroxide solution, stir continuously, and keep the temperature at 15°C by soaking in a water bath. When the reaction was over, the solution became milky. Immerse the platinum piece in the solution to reduce excess hydrogen peroxide, then add 15ml of ethanol and 4ml of glacial acetic acid, and finally the solution was refluxed at 70°C for 12h until a stable peroxytungstic acid sol-gel was obtained, diluted by adding 10 parts agent to reduce the concentration of the peroxytungstic acid sol-gel;
[0035] (2) 40 parts by mass of diamond particles with a particle size of 100 μm were first placed in distilled water for 1 h to remove impurities on the surface, then treated with 50% nitric acid, washed with distilled water and dried, and finally the treated diamond particles were added to the In peroxytungstic acid sol-...
Embodiment 2
[0039] Adopt the following steps to realize the present invention:
[0040] (1) Slowly dissolve 6g of metal tungsten particles with a purity of 99.9% in 30% hydrogen peroxide solution, stir continuously, and keep it at 15°C by soaking in a water bath. When the reaction was over, the solution became milky. Immerse the platinum piece in the solution to reduce excess hydrogen peroxide, then add 15ml of ethanol and 4ml of glacial acetic acid, and finally the solution is refluxed at 60°C for 10h until a stable peroxytungstic acid sol-gel is obtained, by adding 15 parts by mass Diluent reduces the concentration of described peroxytungstic acid sol-gel;
[0041] (2) 50 parts by mass of diamond particles with a particle size of 150 μm were first placed in distilled water for 1 h to remove impurities on the surface, then treated with 60% nitric acid, washed with distilled water and dried, and finally the treated diamond particles were added to the In peroxytungstic acid sol-gel, stir...
Embodiment 3
[0045] Adopt the following steps to realize the present invention:
[0046] (1) Slowly dissolve 8g of metal tungsten particles with a purity of 99.9% in 30% hydrogen peroxide solution, stir continuously, and keep it at 15°C by soaking in a water bath. When the reaction was over, the solution became milky. Immerse the platinum piece in the solution to reduce excess hydrogen peroxide, then add 15ml of ethanol and 4ml of glacial acetic acid, and finally the solution is refluxed at 50°C for 10h until a stable peroxytungstic acid sol-gel is obtained, by adding 20 parts by mass Diluent reduces the concentration of described peroxytungstic acid sol-gel;
[0047] (2) 60 parts by mass of diamond particles with a particle size of 200 μm were first placed in distilled water for 1 h to remove impurities on the surface, then treated with 70% nitric acid, washed with distilled water and dried, and finally the treated diamond particles were added to the In peroxytungstic acid sol-gel, stir...
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Abstract
Description
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