CN106673659A - Al4Si2C5 powder material and preparation method thereof - Google Patents

Al4Si2C5 powder material and preparation method thereof Download PDF

Info

Publication number
CN106673659A
CN106673659A CN201710014146.5A CN201710014146A CN106673659A CN 106673659 A CN106673659 A CN 106673659A CN 201710014146 A CN201710014146 A CN 201710014146A CN 106673659 A CN106673659 A CN 106673659A
Authority
CN
China
Prior art keywords
powder
body material
powder body
preparation
al4si2c5
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710014146.5A
Other languages
Chinese (zh)
Inventor
余超
祝洪喜
邓承继
董博
丁军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Science and Engineering WUSE
Wuhan University of Science and Technology WHUST
Original Assignee
Wuhan University of Science and Engineering WUSE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan University of Science and Engineering WUSE filed Critical Wuhan University of Science and Engineering WUSE
Priority to CN201710014146.5A priority Critical patent/CN106673659A/en
Publication of CN106673659A publication Critical patent/CN106673659A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • 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
    • C04B35/622—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
    • 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
    • C04B35/66—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
    • 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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • 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
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/424—Carbon black
    • 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
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/425—Graphite

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)

Abstract

The invention relates to an Al4Si2C5 powder material and a preparation method thereof. The technical scheme of the Al4Si2C5 powder material comprises steps as follows: 35wt%-38wt% of Al2O3 powder, 21wt%-26wt% of SiO2 powder and 37wt%-43wt% of a C source are taken as raw materials, mixed uniformly and dried, and a mixed material is obtained; the mixed material is subjected to mechanical pressing, a product is put in a high-temperature carbon tube furnace and reacts in the argon atmosphere at the temperature of 1,600-1,900 DEG C for 0.5-6 h, then a reaction product is naturally cooled, and the Al4Si2C5 powder material is obtained, wherein the C source is one of graphite, carbon black and coke; the content of Al2O3 in the Al2O3 powder is higher than or equal to 98wt%, and granularity is smaller than or equal to 200 mu m; the content of SiO2 in the SiO2 powder is higher than or equal to 98wt%, and granularity is smaller than or equal to 200 mu m; the content of C in the C source is higher than or equal to 98wt%, and granularity is smaller than or equal to 200 mu m; pressure intensity for mechanical pressing is 20-35 Mpa. The Al4Si2C5 powder material and the preparation method thereof have the characteristics of being low in cost and suitable for industrial production, the prepared Al4Si2C5 powder material is high in purity, and grain growth and development are good.

Description

A kind of Al4Si2C5Powder body material and preparation method thereof
Technical field
The invention belongs to double carbide technical field.More particularly to a kind of Al4Si2C5Powder body material and preparation method thereof.
Background technology
Al4Si2C5Material has that high heat conduction, high abrasion resistance strength, thermal capacity are big, low-density, high-temperature mechanics intensity are big, low grade fever The characteristic such as the coefficient of expansion and long service life, as carbon containing refractory antioxidant efficiently and with the function of selfreparing, Fabulous application prospect is shown in fire resisting material field.
Inoue(Inoue Z,Inomata Y,Tanaka H,et al.X-ray crystallographic data on aluminum silicon carbide,α-Al4SiC4and Al4Si2C5[J].Journal of Materials Science, 1980,15(3):575-580.) utilize Al4C3It is raw material with SiC, 1900 DEG C of Jing is thermally treated resulting in Al under an argon atmosphere4Si2C5 Powder.Hashimoto(Yokokawa H,Fujishige M,Ujiie S,et al.Phase relations associated with the aluminum blast furnace:Aluminum oxycarbide melts and Al- C-X (X=Fe, Si) liquid alloys [J] .Metallurgical Transactions B, 1987,18 (2):433- 444.) adopt Al4SiC4It is raw material with SiC, Jing hot pressed sinterings are obtained Al under an argon atmosphere4Si2C5(1900 DEG C and 60MPa). Though the product prepared by these methods has respective advantage, the artificial-synthetic material of high cost is required for, Al is limited4Si2C5's Research and its application.
The content of the invention
It is contemplated that overcoming prior art defect, it is therefore an objective to provide a kind of low cost and be suitable to industrialized production Al4Si2C5The preparation method of powder body material.The Al prepared with the method4Si2C5Powder body material purity is high and Grain growth is good It is good.
For achieving the above object, the technical solution used in the present invention is：With the alumina powder of 35~38wt%, 21~ The carbon source of the silicon dioxide powder and 37~43wt% of 26wt% is raw material, and mix homogeneously, drying obtain compound；Again will be described Mixture machine is molded, inserts in high temperature carbon shirt-circuiting furnace, and 0.5~6h is reacted under the conditions of argon gas atmosphere and 1600 DEG C~1900 DEG C, Natural cooling, obtains final product Al4Si2C5Powder body material.
The carbon source is the one kind in graphite, white carbon black and coke.
The Al of the alumina powder2O3Content >=98wt%, granularity≤200 μm.
The SiO of the silicon dioxide powder2Content >=98wt%, granularity≤200 μm.
C content >=the 98wt% of the carbon source, granularity≤200 μm.
The pressure of the mechanical pressing is 20~35Mpa.
The present invention compared with prior art, with advantages below：
1. using carbon source as reducing agent, in course of reaction, carbon source is by life to the reduction of metal-oxide to the present invention Complete into carbon monoxide.As the chemical affinity of carbon and oxygen is directly proportional to reaction temperature, reaction temperature is more than 1600 DEG C When carbon source can almost reduce any oxide, relative to the high cost of simple substance raw material, carbon source and metal-oxide cost compared with It is low, while carbon source wide material sources.Therefore this specific embodiment prepares Al using carbon reduction method4Si2C5The process is simple of powder body material And low cost.
2. the Al that prepared by the present invention4Si2C5The purity of powder body material is high, does not have other dephasigns to generate；Al4Si2C5Powder body The sharpness of border of material grains is in step-like, and surface is smooth, and grain growth is good.In addition, Al prepared by the present invention4Si2C5Powder body Material grains are in hexagonal flake pattern, and well, sharpness of border, grain surface are more smooth for grain growth, and particle diameter is about 100 ± 20 μ M, crystal edge is in step-like.Al prepared by the present invention4Si2C5Powder body material can improve the problem of carbon oxidation, improve carbon containing The anti-slag and oxidation resistance of refractory material, lifts the smelting level of clean steel.
Therefore, the characteristics of present invention has low cost and is suitable to industrialized production, prepared Al4Si2C5Powder body material is pure Degree is high and Grain growth is good.
Description of the drawings
Fig. 1 is a kind of Al prepared by the present invention4Si2C5The XRD spectrum of powder body material；
Fig. 2 is Al shown in Fig. 14Si2C5The SEM pictures of powder body material.
Specific embodiment
In conjunction with specific embodiment, the invention will be further described, not the restriction to its protection domain.
To avoid repeating, first will be the raw material Unify legislation involved by this specific embodiment as follows, no longer go to live in the household of one's in-laws on getting married in embodiment State：
The Al of the alumina powder2O3Content >=98wt%, granularity≤200 μm.
The SiO of the silicon dioxide powder2Content >=98wt%, granularity≤200 μm.
C content >=the 98wt% of the carbon source, granularity≤200 μm.
Embodiment 1
A kind of Al4Si2C5Powder body material and preparation method thereof.With the alumina powder of 35~36wt%, 21~24wt% two The carbon source of silica powder and 41~43wt% is raw material, and mix homogeneously, drying obtain compound；Again by the mixture machine pressure Molding, inserts in high temperature carbon shirt-circuiting furnace, and 4~6h is reacted under the conditions of argon gas atmosphere and 1600 DEG C~1800 DEG C, and natural cooling is obtained final product To Al4Si2C5Powder body material.
In the present embodiment：The carbon source is graphite；The pressure of the mechanical pressing is 30~35Mpa.
Embodiment 2
A kind of Al4Si2C5Powder body material and preparation method thereof.With the alumina powder of 36~37wt%, 22~25wt% two The carbon source of silica powder and 39~41wt% is raw material, and mix homogeneously, drying obtain compound；Again by the mixture machine pressure Molding, inserts in high temperature carbon shirt-circuiting furnace, and 2~4h is reacted under the conditions of argon gas atmosphere and 1650 DEG C~1850 DEG C, and natural cooling is obtained final product To Al4Si2C5Powder body material.
In the present embodiment：The carbon source is coke；The pressure of the mechanical pressing is 25~30Mpa.
Embodiment 3
A kind of Al4Si2C5Powder body material and preparation method thereof.With the alumina powder of 37~38wt%, 23~26wt% two The carbon source of silica powder and 37~39wt% is raw material, and mix homogeneously, drying obtain compound；Again by the mixture machine pressure Molding, inserts in high temperature carbon shirt-circuiting furnace, 0.5~2h of reaction under the conditions of argon gas atmosphere and 1700 DEG C~1900 DEG C, natural cooling, i.e., Obtain Al4Si2C5Powder body material.
In the present embodiment：The carbon source is white carbon black；The pressure of the mechanical pressing is 20~25Mpa.
This specific embodiment compared with prior art, with advantages below：
1. this specific embodiment is using carbon source as reducing agent, reduction of the carbon source to metal-oxide in course of reaction It is by generating carbon monoxide completing.As the chemical affinity of carbon and oxygen is directly proportional to reaction temperature, reaction temperature exists When more than 1600 DEG C, carbon source can almost reduce any oxide, relative to the high cost of simple substance raw material, carbon source and metal oxidation The cost of thing is relatively low, while carbon source wide material sources.Therefore this specific embodiment prepares Al using carbon reduction method4Si2C5Powder body material Process is simple and low cost.
2. Fig. 1 is a kind of Al prepared by embodiment 34Si2C5The XRD spectrum of powder body material；Fig. 2 is Al shown in Fig. 14Si2C5 The SEM figures of powder body material.As seen from Figure 1：Prepared Al4Si2C5Powder body material only has Al4Si2C5Corresponding diffraction maximum, does not have The diffraction maximum for having other things corresponding；Al4Si2C5The sharpness of border of powder body material crystal grain is in step-like, and surface is more smooth, crystal grain Well-grown.As seen from Figure 2：Prepared Al4Si2C5, in hexagonal flake pattern, grain growth is good for powder body material crystal grain, Sharpness of border, grain surface are smooth, about 100 ± 20 μm of particle diameter, and crystal edge is in step-like.Prepared by this specific embodiment Al4Si2C5The purity of powder body material is high, does not have other dephasigns to generate.Prepared Al4Si2C5Powder body material can improve carbon The problem of element oxidation, improves the anti-slag and oxidation resistance of carbon containing refractory, lifts the smelting level of clean steel.
Therefore, the characteristics of this specific embodiment has low cost and is suitable to industrialized production, prepared Al4Si2C5Powder Body material purity is high and Grain growth is good.

Claims (6)

1. a kind of Al4Si2C5The preparation method of powder body material, its technical scheme is：With the alumina powder of 35 ~ 38wt%, 21 ~ The carbon source of the silicon dioxide powder and 37 ~ 43wt% of 26wt% is raw material, and mix homogeneously, drying obtain compound；Again by the mixing Material mechanical pressing, inserts in high temperature carbon shirt-circuiting furnace, and 0.5 ~ 6h is reacted under the conditions of argon gas atmosphere and 1600 DEG C ~ 1900 DEG C, naturally cold But, obtain final product Al4Si2C5Powder body material；
The carbon source is the one kind in graphite, white carbon black and coke.
2. Al according to claim 14Si2C5The preparation method of powder body material, it is characterised in that the Al of the alumina powder2O3 Content >=98wt%, granularity≤200 μm.
3. Al according to claim 14Si2C5The preparation method of powder body material, it is characterised in that the silicon dioxide powder SiO2Content >=98wt%, granularity≤200 μm.
4. Al according to claim 14Si2C5The preparation method of powder body material, it is characterised in that the C content of the carbon source >= 98wt%, granularity≤200 μm.
5. Al according to claim 14Si2C5The preparation method of powder body material, it is characterised in that the pressure of the mechanical pressing For 20 ~ 35Mpa.
6. a kind of Al4Si2C5Powder body material, it is characterised in that the Al4Si2C5Powder body material is according in claim 1 ~ 5 Al described in any one4Si2C5Al prepared by the preparation method of powder body material4Si2C5Powder body material.
CN201710014146.5A 2017-01-09 2017-01-09 Al4Si2C5 powder material and preparation method thereof Withdrawn CN106673659A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710014146.5A CN106673659A (en) 2017-01-09 2017-01-09 Al4Si2C5 powder material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710014146.5A CN106673659A (en) 2017-01-09 2017-01-09 Al4Si2C5 powder material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106673659A true CN106673659A (en) 2017-05-17

Family

ID=58850449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710014146.5A Withdrawn CN106673659A (en) 2017-01-09 2017-01-09 Al4Si2C5 powder material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106673659A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112159230A (en) * 2020-09-17 2021-01-01 北京科技大学 Preparation method of large-size aluminum carbo-silicate and method for improving high-temperature performance of magnesia carbon brick based on addition of large-size aluminum carbo-silicate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102320847A (en) * 2011-08-17 2012-01-18 武汉科技大学 Al4SiC4-Al4Si2C5 refractory material and preparation method thereof
CN105314635A (en) * 2015-12-07 2016-02-10 武汉科技大学 High-purity titanium carbide powder and preparation method thereof
CN105819880A (en) * 2016-05-10 2016-08-03 武汉科技大学 Alumina-carbon-based flow distributing opening and preparing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102320847A (en) * 2011-08-17 2012-01-18 武汉科技大学 Al4SiC4-Al4Si2C5 refractory material and preparation method thereof
CN105314635A (en) * 2015-12-07 2016-02-10 武汉科技大学 High-purity titanium carbide powder and preparation method thereof
CN105819880A (en) * 2016-05-10 2016-08-03 武汉科技大学 Alumina-carbon-based flow distributing opening and preparing method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
余超: ""Al-C-X(X=Si,O,B)三元碳化物的制备、性能与应用"", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112159230A (en) * 2020-09-17 2021-01-01 北京科技大学 Preparation method of large-size aluminum carbo-silicate and method for improving high-temperature performance of magnesia carbon brick based on addition of large-size aluminum carbo-silicate

Similar Documents

Publication Publication Date Title
Yu et al. Enhanced oxidation resistance of low-carbon MgO–C refractories with ternary carbides: a review
Zhong et al. Synthesis of silicon carbide nanopowder using silica fume
Yu et al. Synthesis of monophase Al4O4C and the effect of Al4O4C addition to MgO–C refractory
CN103508454B (en) A kind of preparation method of high-purity silicon carbide raw material
Chen et al. Enhanced performance of low-carbon MgO–C refractories with nano-sized ZrO2–Al2O3 composite powder
CN104496502B (en) A kind of aluminate carbon brick containing aluminum chromium slag and preparation method thereof
Jiang et al. New synthetic route to Al4O4C reinforced Al–Al2O3 composite materials
Long et al. Formation mechanism of Si3N4 in reaction-bonded Si3N4-SiC composites
EP2749549B1 (en) Aluminum oxycarbide composition, process for producing same and refractory
Cao et al. Influence of sintering process and interfacial bonding mechanism on the mechanical properties of MgO–C refractories
TW201620857A (en) Refractory product, batch for producing the product, method for producing the product, and use of the product
CN106631026A (en) Al<4>SiC<4>-Al<4>O<4>C compound materials and preparation method thereof
Zhang et al. In situ synthesis of AlN whiskers in mullite-silicon carbide refractory under simulated coke dry quenching conditions
Chen et al. Improved thermal shock stability and oxidation resistance of low-carbon MgO–C refractories with introduction of SiC whiskers
Gao et al. A low cost, low energy, environmentally friendly process for producing high-purity boron carbide
Suri et al. Tailoring the relative Si3N4 and SiC contents in Si3N4/SiC nanopowders through carbothermic reduction and nitridation of silica fume
Toksoy et al. Densification and characterization of rapid carbothermal synthesized boron carbide
Hou et al. Oxidation kinetics of aluminum nitride at different oxidizing atmosphere
JP6652957B2 (en) Refractory product, use of zirconium dioxide, method for producing zirconium dioxide, refractory product, and refractory product produced using the same
CN106673659A (en) Al4Si2C5 powder material and preparation method thereof
CN109608200A (en) A kind of carbon silicated aluminum combination SiC fire resistant materials and preparation method thereof
Jianxin et al. A new method of fabrication of TiC by employing pyrolytic carbon black and titanium
Chen et al. Effect of temperature on the properties and microstructures of carbon refractories for blast furnace
KR100914788B1 (en) Refractory material
Simonenko et al. Influence of Carbon Deficiency and Hafnium Oxide Doping on Reactive Spark Plasma Sintering of the Ta 2 O 5–C System

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20170517