CN106588043A - Composite material for high-temperature-resistant high-heat-conductivity infrared radiation sagger and preparation method thereof - Google Patents

Composite material for high-temperature-resistant high-heat-conductivity infrared radiation sagger and preparation method thereof Download PDF

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Publication number
CN106588043A
CN106588043A CN201611071470.2A CN201611071470A CN106588043A CN 106588043 A CN106588043 A CN 106588043A CN 201611071470 A CN201611071470 A CN 201611071470A CN 106588043 A CN106588043 A CN 106588043A
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composite
saggar
mesh
weight percent
heat conduction
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CN106588043B (en
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龚波
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Xinhua Mingfeng New Material Co.,Ltd.
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XINHUA COUNTY MINGFENG REFRACTORY MATERIAL Co Ltd
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/6261—Milling
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
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    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient

Abstract

The invention discloses a composite material for a high-temperature-resistant high-heat-conductivity infrared radiation sagger. The composite material is prepared from the following ingredients including 65 to 80 weight percent of fused alumina, 2 to 8 weight percent of Al2O3, 8 to 15 weight percent of SiC, 2 to 7 weight percent of B4C, 2 to 9 weight percent of ZrO2 and 6 to 12 weight percent of SiO2. The novel composite material formed by adding the Al2O3, the SiC, the B4C, the ZrO2 and the SiO2 in the fused alumina and performing high-temperature synthesis has the advantages of high temperature resistance, high heat conduction coefficient and high infrared ray radiation rate; the sagger made by using the material achieves the effects that a ceramic product contained in the sagger can be uniformly and quickly heated; and the defect of cracking of the product due to temperature differences is overcome, so that the product qualification rate is improved.

Description

A kind of high temperature resistance high heat conduction infra-red radiation saggar composite and preparation method thereof
Technical field
The present invention relates to technical field of refractory materials, more particularly to a kind of high temperature resistance high heat conduction infra-red radiation saggar is with compound Material and preparation method thereof.
Background technology
High alumina ceramic product loading saggar is generally made with common corundum, mullite etc., such saggar thermal conductivity Rate is low, infrared emittance is low.However, ceramic is in sintering procedure, and mainly by heat transfer by heat conduction, the low saggar of pyroconductivity Easily cause be loaded in each position temperature difference of ceramic it is larger, be heated it is uneven so that ceramic produce internal stress, Product easily ftractures, and has a strong impact on the qualification rate for firing product.
Therefore, a kind of high temperature resistance high heat conduction infra-red radiation saggar composite of invention has become those skilled in the art and has compeled Cut the problem of solution.
The content of the invention
In order to solve problem of the prior art, a kind of high temperature resistance high heat conduction infra-red radiation saggar is embodiments provided Use composite.The technical scheme is as follows：
There is provided a kind of high temperature resistance high heat conduction infra-red radiation saggar composite, the composite is made up of following components：
65～80wt% of electro-corundum,
Al2O32～8wt%,
8～15wt% of SiC,
B42～7wt% of C,
ZrO22～9wt%,
SiO26～12wt%.
Further, the composite is made up of following components：
68～75wt% of electro-corundum,
Al2O33～6wt%,
9～13wt% of SiC,
B43～5wt% of C,
ZrO24～6wt%,
SiO27～9wt%.
Further, the composite is made up of following components：
Electro-corundum 68.5wt%,
Al2O34.5wt%,
SiC 10wt%,
B4C 4.5wt%,
ZrO24.5wt%,
SiO2 8wt%。
On the other hand, there is provided a kind of preparation method of high temperature resistance high heat conduction infra-red radiation saggar composite, it is described Composite is the composite of said components, and the preparation method includes：
First, each component of predetermined ratio is weighed, mixing carries out ball milling 12～18 hours, and each component is sufficiently mixed It is even；
Second, the mixed powder after ball milling is fitted in saggar, in 1450 DEG C～1550 DEG C condition calcining synthesis；
3rd, the compound after calcining is broken into into the particulate material that particle diameter is 1～3mm, then respectively with 30 mesh, 60 mesh, 100 Mesh, 180 mesh, the screen cloth of 200 mesh screen out step by step particulate material carry out it is standby.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By adding Al in electro-corundum2O3、SiC、B4C、ZrO2、SiO2, and by the new composite of high―temperature nuclei, tool There is a high temperature resistant, high heat-conduction coefficient, high IR beta radiation rate, the saggar made with it makes ceramic product of the loading in it be heated Uniformly, heat soon, the cracking that product is caused because of the temperature difference is overcome, so as to improve the qualification rate of product.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below further is made to embodiment of the present invention Ground is described in detail.
Embodiment one
A kind of high temperature resistance high heat conduction infra-red radiation saggar composite is present embodiments provided, the composite is by following components Constitute：
65～80wt% of electro-corundum,
Al2O32～8wt%,
8～15wt% of SiC,
B42～7wt% of C,
ZrO22～9wt%,
SiO26～12wt%.
Embodiment two
A kind of high temperature resistance high heat conduction infra-red radiation saggar composite is present embodiments provided, the composite is by following components Constitute：
68～75wt% of electro-corundum,
Al2O33～6wt%,
9～13wt% of SiC,
B43～5wt% of C,
ZrO24～6wt%,
SiO27～9wt%.
Embodiment three
A kind of high temperature resistance high heat conduction infra-red radiation saggar composite is present embodiments provided, the composite is by following components Constitute：
Electro-corundum 68.5wt%,
Al2O34.5wt%,
SiC 10wt%,
B4C 4.5wt%,
ZrO24.5wt%,
SiO2 8wt%。
Example IV
A kind of preparation method of high temperature resistance high heat conduction infra-red radiation saggar composite is present embodiments provided, the present embodiment is used Preparation method prepare composite described by embodiment 1 to 3, the preparation method includes：
First, each component of predetermined ratio is weighed, mixing carries out ball milling 12～18 hours, and each component is sufficiently mixed It is even；
Second, the mixed powder after ball milling is fitted in saggar, in 1450 DEG C～1550 DEG C condition calcining synthesis；
3rd, the compound after calcining is broken into into the particulate material that particle diameter is 1～3mm, then respectively with 30 mesh, 60 mesh, 100 Mesh, 180 mesh, the screen cloth of 200 mesh screen out step by step particulate material carry out it is standby.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (4)

1. a kind of high temperature resistance high heat conduction infra-red radiation saggar composite, it is characterised in that the composite is by with the following group Divide and constitute：
65～80wt% of electro-corundum,
Al2O32～8wt%,
8～15wt% of SiC,
B42～7wt% of C,
ZrO22～9wt%,
SiO26～12wt%.
2. high temperature resistance high heat conduction infra-red radiation saggar composite according to claim 1, it is characterised in that described multiple Condensation material is made up of following components：
68～75wt% of electro-corundum,
Al2O33～6wt%,
9～13wt% of SiC,
B43～5wt% of C,
ZrO24～6wt%,
SiO27～9wt%.
3. high temperature resistance high heat conduction infra-red radiation saggar composite according to claim 2, it is characterised in that described multiple Condensation material is made up of following components：
Electro-corundum 68.5wt%,
Al2O34.5wt%,
SiC 10wt%,
B4C 4.5wt%,
ZrO2 4.5wt%
SiO2 8wt%。
4. a kind of preparation method of high temperature resistance high heat conduction infra-red radiation saggar composite, the composite is claim Component any one of 1 to 3, it is characterised in that the preparation method includes：
First, each component of predetermined ratio is weighed, mixing carries out ball milling 12～18 hours, and each component is sufficiently mixed It is even；
Second, the mixed powder after ball milling is fitted in saggar, in 1450 DEG C～1550 DEG C condition calcining synthesis；
3rd, the compound after calcining is broken into into the particulate material that particle diameter is 1～3mm, then respectively with 30 mesh, 60 mesh, 100 Mesh, 180 mesh, the screen cloth of 200 mesh screen out step by step particulate material carry out it is standby.
CN201611071470.2A 2016-11-29 2016-11-29 A kind of high temperature resistance high heat conduction infra-red radiation saggar composite material and preparation method Active CN106588043B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109053162A (en) * 2018-09-13 2018-12-21 北京亚创联华节能环保科技有限公司 A kind of element that can strengthen radiation and preparation method
CN112759375A (en) * 2019-11-05 2021-05-07 宜兴市中电耐磨耐火科技有限公司 High-absorptivity and high-thermal-conductivity silicon carbide wear-resistant castable and preparation process thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1075311A (en) * 1992-02-12 1993-08-18 浙江省嘉善远红外光件厂 A kind of sintering method of infrared radiant material
US6402991B1 (en) * 1998-10-23 2002-06-11 Tnk Co., Ltd. Shaped article made of functional material
US20150232733A1 (en) * 2014-02-14 2015-08-20 Atect Corporation Alumina sintered body and method for producing same
CN104944930A (en) * 2015-06-11 2015-09-30 濮阳市正淳特种陶瓷有限公司 Refractory sagger and preparation method thereof
CN106083082A (en) * 2016-06-12 2016-11-09 尹天锋 A kind of mullite corundum is combined the preparation method of saggar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1075311A (en) * 1992-02-12 1993-08-18 浙江省嘉善远红外光件厂 A kind of sintering method of infrared radiant material
US6402991B1 (en) * 1998-10-23 2002-06-11 Tnk Co., Ltd. Shaped article made of functional material
US20150232733A1 (en) * 2014-02-14 2015-08-20 Atect Corporation Alumina sintered body and method for producing same
CN104944930A (en) * 2015-06-11 2015-09-30 濮阳市正淳特种陶瓷有限公司 Refractory sagger and preparation method thereof
CN106083082A (en) * 2016-06-12 2016-11-09 尹天锋 A kind of mullite corundum is combined the preparation method of saggar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109053162A (en) * 2018-09-13 2018-12-21 北京亚创联华节能环保科技有限公司 A kind of element that can strengthen radiation and preparation method
CN112759375A (en) * 2019-11-05 2021-05-07 宜兴市中电耐磨耐火科技有限公司 High-absorptivity and high-thermal-conductivity silicon carbide wear-resistant castable and preparation process thereof

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Address after: 417600 Xianghong Industrial Park, Xinhua County Economic Development Zone, Loudi City, Hunan Province

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Patentee before: XINHUA COUNTY MINGFENG REFRACTORY MATERIAL Co.,Ltd.

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