CN106187113A - A kind of fire resistant ceramic Heat Conduction Material and preparation method thereof - Google Patents

A kind of fire resistant ceramic Heat Conduction Material and preparation method thereof Download PDF

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Publication number
CN106187113A
CN106187113A CN201610529309.9A CN201610529309A CN106187113A CN 106187113 A CN106187113 A CN 106187113A CN 201610529309 A CN201610529309 A CN 201610529309A CN 106187113 A CN106187113 A CN 106187113A
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powder
heat conduction
parts
conduction material
fire resistant
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马健健
宋从发
汪六
汪六一
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Anhui Zhibo New Material Technology Co Ltd
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Anhui Zhibo New Material Technology Co Ltd
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Abstract

A kind of fire resistant ceramic Heat Conduction Material and preparation method thereof, this material includes following parts by weight of component: 52 58 parts of aluminium oxide ceramics powder, carbonization chromium powder 15 21 parts, 59 parts of rhodium oxide powder, carbonized titanium powder 15 21 parts, silicon nitride powder 48 parts, 34 parts of tantalum powder, cobalt powder 34 parts, nano silicon 8 14 parts, clay 5 5.5 parts.Heat Conduction Material heat conductivility of the present invention is higher than common Heat Conduction Material by 65 70%, and there is good shaking property of heat resistanceheat resistant and high temperature creep, shock resistance and the anti-yield strength of Heat Conduction Material are the best, adapt to the heat exchange demand of high temperature fluid, surface abrasion resistance is the best, Heat Conduction Material has fire resistance, can hinder and burn away under high temperature, but is vulnerable to when using in the sour environment more than 10% concentration corrode.

Description

A kind of fire resistant ceramic Heat Conduction Material and preparation method thereof
Technical field
The present invention relates to ceramic materials preparation technology field, be specifically related to a kind of fire resistant ceramic Heat Conduction Material and preparation side thereof Method.
Background technology
Along with expanding economy, people are more and more vigorous to the demand of material, particularly the appearance of new material layer especially Go out the poorest appearance, to satisfy social needs.21 century is exactly the century of the energy, and along with the advance of society, the demand of the energy is more Come the biggest, thus along with the wilderness demand of Heat Conduction Material.Mostly there is heat conductivility instability, corrosion resistant in current Heat Conduction Material The problems such as erosion property is poor, the life-span is short, and current Heat Conduction Material fire resistance is poor.
Summary of the invention
The technical problem to be solved is to provide a kind of fire resistant ceramic Heat Conduction Material, Heat Conduction Material heat conductivility 65-70% higher than common Heat Conduction Material, and there is good shaking property of heat resistanceheat resistant and high temperature creep, the shock resistance of Heat Conduction Material The best with anti-yield strength, adapt to the heat exchange demand of high temperature fluid, surface abrasion resistance is the best, and Heat Conduction Material has Fire resistance, can hinder under high temperature and burn away, but is vulnerable to when using in the sour environment more than 10% concentration corrode.
Another object of the present invention is to provide the preparation method of a kind of fire resistant ceramic Heat Conduction Material.
A kind of fire resistant ceramic Heat Conduction Material, including following parts by weight of component: aluminium oxide ceramics powder 52-58 part, carbonization chromium powder 15-21 part, rhodium oxide powder 5-9 part, carbonized titanium powder 15-21 part, silicon nitride powder 4-8 part, tantalum powder 3-4 part, cobalt powder 3-4 part, nanometer Silicon dioxide 8-14 part, clay 5-5.5 part.
The preparation method of a kind of fire resistant ceramic Heat Conduction Material, comprises the following steps:
(1) weigh by weight aluminium oxide ceramics powder, carbonization chromium powder, rhodium oxide powder, carbonized titanium powder, silicon nitride powder, tantalum powder, Cobalt powder, nano silicon, clay, by they mix homogeneously；
(2) method of pressure forming is used to make tubular material green compact by mould mixed raw material；
(3) material green compact are heated to 150 DEG C, the most again material green compact are utilized 85-95KHz ultrasonic Treatment 2 minutes, Then the speed according still further to 10 DEG C/min is heated to 328 DEG C, and is incubated 30 minutes at a temperature of 328 DEG C；
(4) the material green compact after step (3) being processed sinter under the rich nitrogen environment that concentration is 90%, sintering temperature 1100-1400 DEG C, sintering time is 4-4.5 hour；
(5) Heat Conduction Material after sintering is cooled to 200 DEG C according to the speed of 12 DEG C/min, naturally cools to the most again Room temperature.
In described step (3), the ultrasonic frequency of ultrasonic Treatment is 90KHz.
In described step (4), sintering temperature is 1250 DEG C.
The invention has the beneficial effects as follows: Heat Conduction Material heat conductivility 65-70% higher than common Heat Conduction Material of the present invention, and have Having good shaking property of heat resistanceheat resistant and high temperature creep, shock resistance and the anti-yield strength of Heat Conduction Material are the best, adapt to The heat exchange demand of high temperature fluid, surface abrasion resistance is the best, and Heat Conduction Material has fire resistance, can hinder continuation combustion under high temperature Burn, but be vulnerable to when the sour environment more than 10% concentration uses corrode.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot Close specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of fire resistant ceramic Heat Conduction Material, including following parts by weight of component: 55 parts of aluminium oxide ceramics powder, carbonization chromium powder 18 Part, 7 parts of rhodium oxide powder, carbonized titanium powder 18 parts, silicon nitride powder 6 parts, 3 parts of tantalum powder, cobalt powder 3 parts, nano silicon 11 parts, clay 5 parts.
The preparation method of a kind of fire resistant ceramic Heat Conduction Material, comprises the following steps:
(1) weigh by weight aluminium oxide ceramics powder, carbonization chromium powder, rhodium oxide powder, carbonized titanium powder, silicon nitride powder, tantalum powder, Cobalt powder, nano silicon, clay, by they mix homogeneously；
(2) method of pressure forming is used to make tubular material green compact by mould mixed raw material；
(3) material green compact are heated to 150 DEG C, the most again material green compact are utilized 90KHz ultrasonic Treatment 2 minutes, connect The speed according still further to 10 DEG C/min and be heated to 328 DEG C, and be incubated 30 minutes at a temperature of 328 DEG C；
(4) the material green compact after step (3) being processed sinter under the rich nitrogen environment that concentration is 90%, sintering temperature 1250 DEG C, sintering time is 4 hours；
(5) Heat Conduction Material after sintering is cooled to 200 DEG C according to the speed of 12 DEG C/min, naturally cools to the most again Room temperature.
Embodiment 2
A kind of fire resistant ceramic Heat Conduction Material, including following parts by weight of component: 52 parts of aluminium oxide ceramics powder, carbonization chromium powder 15 Part, 5 parts of rhodium oxide powder, carbonized titanium powder 15 parts, silicon nitride powder 4 parts, 3 parts of tantalum powder, cobalt powder 3 parts, nano silicon 8 parts, clay 5 Part.
The preparation method of a kind of fire resistant ceramic Heat Conduction Material, comprises the following steps:
(1) weigh by weight aluminium oxide ceramics powder, carbonization chromium powder, rhodium oxide powder, carbonized titanium powder, silicon nitride powder, tantalum powder, Cobalt powder, nano silicon, clay, by they mix homogeneously；
(2) method of pressure forming is used to make tubular material green compact by mould mixed raw material；
(3) material green compact are heated to 150 DEG C, the most again material green compact are utilized 85KHz ultrasonic Treatment 2 minutes, connect The speed according still further to 10 DEG C/min and be heated to 328 DEG C, and be incubated 30 minutes at a temperature of 328 DEG C；
(4) the material green compact after step (3) being processed sinter under the rich nitrogen environment that concentration is 90%, sintering temperature 1100 DEG C, sintering time is 4 hours；
(5) Heat Conduction Material after sintering is cooled to 200 DEG C according to the speed of 12 DEG C/min, naturally cools to the most again Room temperature.
Embodiment 3
A kind of fire resistant ceramic Heat Conduction Material, including following parts by weight of component: 58 parts of aluminium oxide ceramics powder, carbonization chromium powder 21 Part, 9 parts of rhodium oxide powder, carbonized titanium powder 21 parts, silicon nitride powder 8 parts, 4 parts of tantalum powder, cobalt powder 4 parts, nano silicon 14 parts, clay 5.5 part.
The preparation method of a kind of fire resistant ceramic Heat Conduction Material, comprises the following steps:
(1) weigh by weight aluminium oxide ceramics powder, carbonization chromium powder, rhodium oxide powder, carbonized titanium powder, silicon nitride powder, tantalum powder, Cobalt powder, nano silicon, clay, by they mix homogeneously；
(2) method of pressure forming is used to make tubular material green compact by mould mixed raw material；
(3) material green compact are heated to 150 DEG C, the most again material green compact are utilized 95KHz ultrasonic Treatment 2 minutes, connect The speed according still further to 10 DEG C/min and be heated to 328 DEG C, and be incubated 30 minutes at a temperature of 328 DEG C；
(4) the material green compact after step (3) being processed sinter under the rich nitrogen environment that concentration is 90%, sintering temperature 1400 DEG C, sintering time is 4.5 hours；
(5) Heat Conduction Material after sintering is cooled to 200 DEG C according to the speed of 12 DEG C/min, naturally cools to the most again Room temperature.
The Heat Conduction Material that the embodiment of the present invention 1,2,3 prepares is with the detection Data Comparison of conventional ceramic Heat Conduction Material on the market such as Following table:
From test data, the Heat Conduction Material heat conductivity of the present invention, high temperature creep, anti-yield strength are all substantially better than The common Heat Conduction Material in market.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and Equivalent defines.

Claims (4)

1. a fire resistant ceramic Heat Conduction Material, it is characterised in that include following parts by weight of component: aluminium oxide ceramics powder 52-58 part, Carbonization chromium powder 15-21 part, rhodium oxide powder 5-9 part, carbonized titanium powder 15-21 part, silicon nitride powder 4-8 part, tantalum powder 3-4 part, cobalt powder 3-4 Part, nano silicon 8-14 part, clay 5-5.5 part.
2. the preparation method of a fire resistant ceramic Heat Conduction Material, it is characterised in that comprise the following steps:
(1) aluminium oxide ceramics powder, carbonization chromium powder, rhodium oxide powder, carbonized titanium powder, silicon nitride powder, tantalum powder, cobalt are weighed by weight Powder, nano silicon, clay, by they mix homogeneously；
(2) method of pressure forming is used to make tubular material green compact by mould mixed raw material；
(3) material green compact are heated to 150 DEG C, the most again material green compact are utilized 85-95KHz ultrasonic Treatment 2 minutes, then It is heated to 328 DEG C according still further to the speed of 10 DEG C/min, and is incubated 30 minutes at a temperature of 328 DEG C；
(4) the material green compact after step (3) being processed sinter under the rich nitrogen environment that concentration is 90%, sintering temperature 1100- 1400 DEG C, sintering time is 4-4.5 hour；
(5) Heat Conduction Material after sintering is cooled to 200 DEG C according to the speed of 12 DEG C/min, naturally cools to room temperature the most again.
The preparation method of a kind of fire resistant ceramic Heat Conduction Material the most according to claim 2, it is characterised in that described step (3) in, the ultrasonic frequency of ultrasonic Treatment is 90KHz.
The preparation method of a kind of fire resistant ceramic Heat Conduction Material the most according to claim 2, it is characterised in that described step (4) in, sintering temperature is 1250 DEG C.
CN201610529309.9A 2016-07-06 2016-07-06 A kind of fire resistant ceramic Heat Conduction Material and preparation method thereof Pending CN106187113A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101238563A (en) * 2005-06-07 2008-08-06 莫门蒂夫功能性材料公司 Method for making electronic devices
CN104148645A (en) * 2014-08-15 2014-11-19 苏州天泽新能源科技有限公司 Composite ceramic heat-radiating material and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101238563A (en) * 2005-06-07 2008-08-06 莫门蒂夫功能性材料公司 Method for making electronic devices
CN104148645A (en) * 2014-08-15 2014-11-19 苏州天泽新能源科技有限公司 Composite ceramic heat-radiating material and preparation method thereof

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