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Functional ceramic powder material, preparation method and application

A technology of powder materials and functional ceramics, used in electrical components, capacitors, etc., can solve the problems of complex process and difficult control, and achieve the effects of broad application prospects, high dielectric constant, and good frequency stability.

Active Publication Date: 2018-01-09
赣州艺佳兴陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The process is relatively complicated and difficult to control

Method used

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  • Functional ceramic powder material, preparation method and application

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Embodiment 1

[0020] A functional ceramic powder material, consisting of the following components by weight: CaCO 3 20 parts, CuO 20 parts, Al 2 o 3 10 parts, Fe 2 o 3 15 parts, NiO 5 parts, Ti 3 C 2 20 servings.

[0021] This embodiment also provides a preparation method of a functional ceramic powder material, the specific steps are as follows:

[0022] Step 1, weigh the following components by weight: CaCO 3 20 parts, CuO 20 parts, Al 2 o 3 10 parts, Fe 2 o 3 15 parts, 5 parts of NiO, spare;

[0023] Step 2, the above-mentioned CaCO 3 , CuO, Al 2 o 3 , Fe 2 o 3 , NiO, Ti 3 C 2 Grinding to a particle size of 0.06 μm yields CaCO 3 Powder, CuO powder, Al 2 o 3 Powder, Fe 2 o 3 Powder, NiO powder;

[0024] Step 3. Take Ti 3 AlC 2 Put it into a plastic reaction container, slowly add a sufficient amount of hydrofluoric acid with a mass fraction of 40%, shake it for 10 minutes while adding, and react in a water bath at 60°C for 10 hours to obtain a reaction soluti...

Embodiment 2

[0029]A functional ceramic powder material, consisting of the following components by weight: CaCO 3 40 parts, CuO 35 parts, Al 2 o 3 20 parts, Fe 2 o 3 20 parts, NiO 10 parts, Ti 3 C 2 30 servings.

[0030] This embodiment also provides a preparation method of a functional ceramic powder material, the specific steps are as follows:

[0031] Step 1, weigh the following components by weight: CaCO 3 40 parts, CuO 35 parts, Al 2 o 3 20 parts, Fe 2 o 3 20 parts, 10 parts of NiO, spare;

[0032] Step 2, the above-mentioned CaCO 3 , CuO, Al 2 o 3 , Fe 2 o 3 , NiO, Ti 3 C 2 Grinding to a particle size of 0.08 μm yields CaCO 3 Powder, CuO powder, Al 2 o 3 Powder, Fe 2 o 3 Powder, NiO powder;

[0033] Step 3. Take Ti 3 AlC 2 Put it into a plastic reaction container, slowly add a sufficient amount of hydrofluoric acid with a mass fraction of 40%, shake it for 20 minutes while adding, and react in a water bath at 60°C for 20 hours to obtain a reaction solut...

Embodiment 3

[0038] A functional ceramic powder material, consisting of the following components by weight: CaCO 3 30 parts, CuO 30 parts, Al 2 o 3 15 parts, Fe 2 o 3 17 parts, NiO 8 parts, Ti 3 C 2 25 servings.

[0039] This embodiment also provides a preparation method of a functional ceramic powder material, the specific steps are as follows:

[0040] Step 1, weigh the following components by weight: CaCO 3 30 parts, CuO 30 parts, Al 2 o 3 15 parts, Fe 2 o 3 17 parts, 8 parts of NiO, spare;

[0041] Step 2, the above-mentioned CaCO 3 , CuO, Al 2 o 3 , Fe 2 o 3 , NiO, Ti 3 C 2 Grinding to a particle size of 0.07 μm yields CaCO 3 Powder, CuO powder, Al 2 o 3 Powder, Fe 2 o 3 Powder, NiO powder;

[0042] Step 3. Take Ti 3 AlC 2 Put it into a plastic reaction container, slowly add a sufficient amount of hydrofluoric acid with a mass fraction of 40%, shake it for 15 minutes while adding, and react in a water bath at 60°C for 15 hours to obtain a reaction solut...

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Abstract

The invention discloses a functional ceramic powder material, a preparation method and an application. The functional ceramic powder material comprises components in parts by weight as follows: 20-40parts of CaCO3, 20-35 parts of CuO, 10-20 parts of Al2O3, 15-20 parts of Fe2O3, 5-10 parts of NiO and 20-30 parts of Ti3C2. Compared with the prior art, the method has the characteristics that operation is simple, conditions are easy to control and large-scale industrial production is easy, after a ceramic pressure-sensitive capacitor is prepared from the functional ceramic powder material, a porous structure of 2D Ti3C2 is filled with CaCO3, CuO, Al2O3, Fe2O3 and NiO, and the capacitor has dual functions of pressure sensitivity and capacitance, can realize double effects of over-voltage protection and noise removal by filtering, and has good electromagnetic compatibility; the functional ceramic powder material has higher functional ceramic powder material, good frequency stability and good pressure-sensitive nonlinearity and has broad application prospect.

Description

technical field [0001] The invention relates to the field of inorganic non-metallic ceramic materials, in particular to a functional ceramic powder material and its preparation method and application. Background technique [0002] Varistor ceramic refers to a semiconductor ceramic material that has nonlinear volt-ampere characteristics at a certain temperature and within a certain voltage range, and its resistance decreases sharply with the increase of voltage. According to this volt-ampere characteristic, this semiconductor ceramic material can be used to make a non-linear resistor, that is, a piezoresistor. If the varistor also has a significant capacitive effect, it is called a varistor-capacitance dual-function element. When used, it is equivalent to a parallel combination of a varistor and a capacitor, which can protect against overvoltage. It has good electromagnetic compatibility and is undoubtedly more effective in ensuring the normal operation of the circuit. With...

Claims

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Application Information

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IPC IPC(8): C04B35/01C04B35/45C04B35/56C04B35/626C04B35/622H01G17/00
Inventor 赵伟
Owner 赣州艺佳兴陶瓷有限公司
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