CN110723954A - Fiber ceramic composite material and preparation method thereof - Google Patents
Fiber ceramic composite material and preparation method thereof Download PDFInfo
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- CN110723954A CN110723954A CN201911149554.7A CN201911149554A CN110723954A CN 110723954 A CN110723954 A CN 110723954A CN 201911149554 A CN201911149554 A CN 201911149554A CN 110723954 A CN110723954 A CN 110723954A
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
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Abstract
The invention provides a fiber ceramic composite material and a preparation method thereof. The fiber ceramic composite material comprises slurry and water, wherein the water-slurry ratio is 0.30-0.40; the slurry comprises: a silica-alumina containing mineral material, an alkali activator, and fibers; wherein the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1-1: 3; the modulus of the alkali activator is 0.9M-2.0M, and the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate; the fiber ceramic composite material contains 5-10 kilograms of fiber per cubic meter, and the fiber is selected from one or more of aluminum silicate fiber, magnesium oxide fiber, carbon fiber and polypropylene fiber. The mechanical property of the fiber ceramic composite material is obviously improved by adjusting the material ratio, the variety of the fiber and the mutual cooperation of all means.
Description
Technical Field
The invention relates to the field of composite materials, in particular to a fiber ceramic composite material and a preparation method thereof.
Background
The existing fiber reinforced alkali-activated cementing material is prepared by adding polyvinyl alcohol fiber, water glass and water into slag and metakaolin, wherein the mass of the polyvinyl alcohol is 0.08-0.25% of that of the slag and the metakaolin, and the mass of the water glass is 20-25% of that of the slag and the metakaolin. The preparation method comprises the steps of dispersing polyvinyl alcohol fibers in slag and metakaolin at room temperature, then placing the slag and metakaolin into a cement paste mixer for stirring, adding the water glass solution with the adjusted modulus into the mixture to form uniformly mixed slurry, forming the slurry, and placing the slurry into a standard curing box for curing, wherein the prepared gelled material has poor mechanical property.
Disclosure of Invention
In view of the above, it is necessary to provide a fiber ceramic composite material having good mechanical properties.
The technical scheme is as follows:
a fiber ceramic composite material comprises slurry and water, wherein the water-slurry ratio is 0.30-0.40;
the preparation raw materials of the slurry comprise: a silica-alumina containing mineral material, an alkali activator, and fibers;
the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1-1: 3; the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate, and the modulus of the alkali activator is 0.9-2.0M;
each cubic meter of the fiber ceramic composite material contains 5-10 kilograms of fibers; the fiber is selected from one or more of aluminum silicate fiber, magnesium oxide fiber, carbon fiber and polyethylene fiber.
The invention also provides a preparation method of the fiber ceramic composite material, which comprises the following steps:
(1) preparing slurry: grinding the silicon-aluminum-containing mineral material to obtain powder;
mixing the nanoscale powder and the fibers to obtain an intermediate;
mixing the intermediate with the alkali activator to obtain a slurry;
(2) adding water to the slurry and mixing.
Compared with the prior art, the invention has the beneficial effects that:
the fiber ceramic composite material provided by the invention has the advantage that the mechanical strength of the fiber ceramic composite material is obviously improved by adjusting the material ratio and the fiber variety. Wherein, the alkali activator stimulates the high cohesiveness of the silicon-aluminum compound, thereby increasing the compressive strength of the material; and the addition of the fiber material in the material obviously improves the crack resistance of the material.
In addition, the chemical stability of the silicon-aluminum composite is excited by the alkali activator, so that the corrosion resistance of the material is improved, and the alkali resistance, acid resistance and weather resistance of the material are improved by adopting a new material generated by physicochemical reaction between the materials by the alkali activator; meanwhile, the fiber ceramic composite material also has excellent waterproof and anti-permeability capability, heat preservation performance and fireproof performance.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A fiber ceramic composite material comprises slurry and water, wherein the water-slurry ratio is 0.30-0.40;
the preparation raw materials of the slurry comprise: a silica-alumina containing mineral material, an alkali activator, and fibers;
the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1-1: 3; the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate, and the modulus of the alkali activator is 0.9-2.0M;
each cubic meter of the fiber ceramic composite material contains 5-10 kilograms of fibers; the fiber is selected from one or more of aluminum silicate fiber, magnesium oxide fiber, carbon fiber and polyethylene fiber.
The fiber ceramic composite material provided by the invention has the advantage that the mechanical strength of the fiber ceramic composite material is obviously improved by adjusting the material ratio and the fiber variety. Wherein, the alkali activator stimulates the high cohesiveness of the silicon-aluminum compound, thereby increasing the compressive strength of the material; and the addition of the fiber material in the material obviously improves the crack resistance of the material.
In addition, the chemical stability of the silicon-aluminum composite is excited by the alkali activator, so that the corrosion resistance of the material is improved, and the alkali resistance, acid resistance and weather resistance of the material are improved by adopting a new material generated by physicochemical reaction between the materials by the alkali activator; meanwhile, the fiber ceramic composite material also has excellent waterproof and anti-permeability capability, heat preservation performance and fireproof performance.
Wherein the slurry in the fiber ceramic composite material comprises: a silica-alumina containing mineral material, an alkali activator, and fibers.
The silicon-aluminum containing mineral material is selected from one or more of kaolin, bauxite and phosphorous slag; the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material in the fiber ceramic composite material is 1: 1-1: 3, preferably 1: 1-1: 2.5, more preferably 1: 1-1: 2.2, and most preferably 1: 1.2-1: 1.9.
In the alkali activator, the mass ratio of at least one of sodium hydroxide and potassium hydroxide to sodium silicate is 1: 3.5-1: 4.5, preferably 1: 3.5-1: 4.0; the modulus of the sodium silicate is less than or equal to 2.4M; the modulus of the alkali activator is 0.9M to 2.0M, preferably 1.0M to 1.8M, more preferably 1.0M to 1.6M, and most preferably 1.2M to 1.5M. The high cohesiveness and the chemical stability of the silicon-aluminum compound are excited by the alkali activator, so that the mechanical property of the material is improved; and the alkali activator enables the materialization reaction between the materials to generate new materials, and improves the alkali resistance, acid resistance and weather resistance of the materials.
The fiber is selected from one or more of aluminum silicate fiber, magnesium oxide fiber, carbon fiber and polyethylene fiber, and can greatly improve the toughness and strength of the material. The addition amount of the fiber is as follows: the fiber ceramic composite material contains 5 to 10 kilograms of fibers per cubic meter, preferably 5 to 8 kilograms of fibers per cubic meter of the fiber ceramic composite material, more preferably 6 to 7 kilograms of carbon fibers per cubic meter of the fiber ceramic composite material, and most preferably 7.6 to 8 kilograms of polyethylene fibers per cubic meter of the fiber ceramic composite material.
The fiber ceramic composite material has a water-slurry ratio of 0.30-0.40, preferably 0.35-0.38, and most preferably 0.35-0.36.
The invention also provides a preparation method of the fiber ceramic composite material, which comprises the following steps:
(1) preparing slurry: grinding the silicon-aluminum-containing mineral material to obtain powder;
mixing the nanoscale powder and the fibers to obtain an intermediate;
mixing the intermediate with the alkali activator to obtain a slurry;
(2) adding water to the slurry and mixing.
Wherein the particle size of the powder is not less than 10000 meshes, and preferably, the particle size of the nanoscale powder is 10000 meshes-15000 meshes; grinding the mineral materials into the nano-scale powder material obviously improves the compactness of the material and the specific surface area of material particles, can improve the compression strength and the crack resistance of the material, and improves the anti-permeability performance and the waterproof performance of the material.
The starting materials used in the present invention may be commercially available, unless otherwise specified.
Example 1
The embodiment provides a fiber ceramic composite material and a preparation method thereof.
The fiber ceramic composite material consists of slurry and water, wherein the water-slurry ratio is 0.35;
the slurry comprises: kaolin, sodium hydroxide type alkali activator and 5 kg of aluminum silicate fiber; the mass ratio of the sodium hydroxide type alkali activator to the kaolin is 1:1, and the modulus of the sodium hydroxide type alkali activator is 0.9M-2.0M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding kaolin to obtain nanoscale kaolin powder with the particle size of 10000 meshes;
mixing the nano-grade kaolin powder with 5 kg of aluminum silicate fiber for 5 min-8 min to obtain an intermediate; preparing a sodium hydroxide type alkali activator with the modulus of 0.9-2.0M;
mixing the intermediate with a sodium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the sodium hydroxide type alkali activator to the kaolin is 1: 1;
(2) adding hot water with the temperature of 65-70 ℃ into the slurry, controlling the water-slurry ratio to be 0.35, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
Example 2
The embodiment provides a fiber ceramic composite material and a preparation method thereof.
The fiber ceramic composite material consists of slurry and water, wherein the water-slurry ratio is 0.40;
the slurry comprises: kaolin, sodium hydroxide type alkali activator and 10 kg of polypropylene fiber/carbon fiber; the mass ratio of the sodium hydroxide type alkali activator to the kaolin is 1:3, and the modulus of the sodium hydroxide type alkali activator is 0.9M-1.8M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding kaolin to obtain nanoscale kaolin powder with the particle size of 10000 meshes;
mixing the nano-grade kaolin powder with 10 kg of polypropylene fiber/carbon fiber for 5-8 min to obtain an intermediate; preparing a sodium hydroxide type alkali activator with the modulus of 0.9-1.8M;
mixing the intermediate with a sodium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the sodium hydroxide type alkali activator to the kaolin is 1: 3;
(2) adding hot water of 70-75 ℃ into the slurry, controlling the water-slurry ratio to be 0.40, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
Example 3
The embodiment provides a fiber ceramic composite material and a preparation method thereof.
The fiber ceramic composite material consists of slurry and water, and the water-slurry ratio is 0.38;
the slurry comprises: bauxite, sodium hydroxide type alkali activator and 8 kg of magnesium oxide fiber; the mass ratio of the sodium hydroxide type alkali activator to the bauxite is 1:2.5, and the modulus of the sodium hydroxide type alkali activator is 1.0-1.8M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding bauxite to obtain nano-scale bauxite powder with the grain size of 10000 meshes;
mixing the nano-scale bauxite powder with 8 kilograms of magnesium oxide fibers for 5 to 8 minutes to obtain an intermediate; preparing a sodium hydroxide type alkali activator with the modulus of 1.0-1.8M;
mixing the intermediate with a sodium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the sodium hydroxide type alkali activating agent to the bauxite is 1: 2.5;
(2) adding hot water with the temperature of 65-70 ℃ into the slurry, controlling the water-slurry ratio to be 0.38, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
Example 4
The embodiment provides a fiber ceramic composite material and a preparation method thereof.
The fiber ceramic composite material consists of slurry and water, wherein the water-slurry ratio is 0.36;
the slurry comprises: bauxite, a potassium hydroxide type alkali activator and 7 kg of carbon fiber; the mass ratio of the potassium hydroxide type alkali activator to the bauxite is 1:2, and the modulus of the potassium hydroxide type alkali activator is 1.0-1.6M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding bauxite to obtain nano-scale bauxite powder with the grain size of 10000 meshes;
mixing nano-scale bauxite powder with 7 kilograms of carbon fiber for 5 to 8 minutes to obtain an intermediate; preparing a potassium hydroxide type alkali activator with the modulus of 1.0-1.6M;
mixing the intermediate with a potassium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the potassium hydroxide type alkali activating agent to the bauxite is 1: 2;
(2) adding hot water with the temperature of 65-70 ℃ into the slurry, controlling the water-slurry ratio to be 0.36, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
Example 5
The embodiment provides a fiber ceramic composite material and a preparation method thereof.
The fiber ceramic composite material consists of slurry and water, wherein the water-slurry ratio is 0.36;
the slurry comprises: phosphorus slag, potassium hydroxide type alkali activator and 7.6 kg of polyethylene fiber; the mass ratio of the potassium hydroxide strong alkali activator to the phosphorus slag is 1:1.6, and the modulus of the potassium hydroxide strong alkali activator is 1.2M-1.5M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding the phosphate slag to obtain nanoscale phosphate slag powder with the particle size of 10000 meshes;
mixing the nano-scale phosphorus slag powder with 7.6 kilograms of polypropylene fibers for 5 to 8 minutes to obtain an intermediate; preparing a potassium hydroxide type alkali activator with the modulus of 1.2-1.5M;
mixing the intermediate with a potassium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the potassium hydroxide type alkali activator to the phosphorus slag is 1: 1.6;
(2) adding hot water of 70-75 ℃ into the slurry, controlling the water-slurry ratio to be 0.36, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
Comparative example 1
The present comparative example provides a fibrous ceramic material and a method of making the same.
The fiber ceramic composite material consists of slurry and water, wherein the water-slurry ratio is 0.35;
the slurry comprises: kaolin, sodium hydroxide type alkali activator and 5 kg of polyvinyl alcohol fiber; the mass ratio of the sodium hydroxide type alkali activator to the kaolin is 1:1, and the modulus of the sodium hydroxide type alkali activator is 0.9M-2.0M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding kaolin to obtain nanoscale kaolin powder with the particle size of 10000 meshes;
mixing the nano-grade kaolin powder and 5 kg of polyvinyl alcohol fiber for 5 min-8 min to obtain an intermediate; preparing a sodium hydroxide type alkali activator with the modulus of 0.9-2.0M;
mixing the intermediate with a sodium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the sodium hydroxide type alkali activator to the kaolin is 1: 1;
(2) adding hot water with the temperature of 65-70 ℃ into the slurry, controlling the water-slurry ratio to be 0.35, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
Comparative example 2
The present comparative example provides a fiber ceramic composite and a method of making the same.
The fiber ceramic composite material consists of slurry and water, wherein the water-slurry ratio is 0.36;
the slurry comprises: bauxite, a potassium hydroxide type alkali activator and 4 kg of carbon fiber; the mass ratio of the potassium hydroxide type alkali activator to the bauxite is 1:3.5, and the modulus of the potassium hydroxide type alkali activator is 1.0-2.2M.
The preparation method comprises the following steps:
(1) preparing slurry: grinding bauxite to obtain nano-scale bauxite powder with the grain size of 10000 meshes;
mixing nano-scale bauxite powder and 4 kilograms of carbon fiber for 5 to 8 minutes to obtain an intermediate; preparing a potassium hydroxide type alkali activator with the modulus of 1.0-2.2M;
mixing the intermediate with a potassium hydroxide type alkali activator to obtain slurry; wherein the mass ratio of the potassium hydroxide type alkali activating agent to the bauxite is 1: 3.5;
(2) adding hot water with the temperature of 65-70 ℃ into the slurry, controlling the water-slurry ratio to be 0.36, and uniformly mixing for 5-10 min to obtain the fiber ceramic composite material.
The compositions of the materials of examples 1-5 and comparative examples 1-2 are shown in Table 1:
TABLE 1
Example 6
Performance test was performed on the products obtained in examples 1 to 5 and comparative examples 1 to 2
The evaluation method comprises the following steps:
(1) compressive strength: testing the pressure by a hydraulic machine;
(2) and (3) crack resistance: drawing;
(3) ductility: stretching;
(4) waterproof performance: soaking the product in water for 48-72 hours, and measuring the change of the product quality before and after soaking;
(5) fireproof performance: igniting or putting the product in a furnace to be not combusted for 2-5 minutes, and requiring that: no ignition was seen and there was essentially no trace.
(6) Corrosion resistance: placing the product in strong acid or strong alkali liquor for 30 minutes, wherein basically no damage trace exists;
(7) heat preservation and heat insulation performance: detecting the heat conductivity coefficient of the product by using a heat conductivity detector;
(8) high temperature resistance: placing the product in a high-temperature furnace at 1500 ℃ for not less than 10 minutes;
(9) wear resistance: high frequency strong friction with steel wire ball.
The test results are shown in table 2:
TABLE 2
As can be seen from table 1, in examples 1 to 5, by adjusting the material ratio and the variety of the fiber and matching the materials and the fiber types, the obtained fiber ceramic composite material has the advantages of high compressive strength, high crack resistance, good ductility, strong waterproof and anti-permeability capabilities, fire resistance reaching level a, corrosion resistance, good heat insulation performance, high temperature resistance, wear resistance and the like. In combination with comparative example 1, if polyvinyl alcohol fiber is added, the obtained product has poor compression resistance and crack resistance, and is not resistant to acid and alkali and high temperature; in combination with comparative example 2, it can be seen that if the ratio of each material in the formula is not reasonably regulated, the overall performance of the obtained product is deteriorated. The data fully show that the compactness of the material and the specific surface area of material particles are obviously increased by adopting the nano-scale silicon-aluminum-containing slag soil powder, and the nano-scale silicon-aluminum-containing slag soil powder is matched with the fiber material and the strong base activator, so that the compressive strength, the crack resistance, the corrosion resistance and the integrity of the material are greatly improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The fiber ceramic composite material is characterized in that the preparation raw materials of the fiber ceramic composite material comprise slurry and water, and the water-slurry ratio is 0.30-0.40;
the preparation raw materials of the slurry comprise: a silica-alumina containing mineral material, an alkali activator, and fibers;
the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1-1: 3; the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate, and the modulus of the alkali activator is 0.9-2.0M;
each cubic meter of the fiber ceramic composite material contains 5-10 kilograms of fibers; the fiber is selected from one or more of aluminum silicate fiber, magnesium oxide fiber, carbon fiber and polyethylene fiber.
2. The fiber ceramic composite according to claim 1, wherein the water-to-slurry ratio is 0.35 to 0.38;
the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1-1: 2.5; the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate, and the modulus of the alkali activator is 1.0-1.8M;
the fiber ceramic composite material contains 5-8 kg of fiber per cubic meter.
3. The fiber ceramic composite according to claim 2, wherein the water-to-slurry ratio is 0.35 to 0.36;
the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1-1: 2.2; the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate, and the modulus of the alkali activator is 1.0-1.6M;
each cubic meter of the fiber ceramic composite material contains 6-7 kilograms of fibers; the fibers are carbon fibers.
4. The fiber ceramic composite according to claim 2, wherein the water-to-slurry ratio is 0.35 to 0.36;
the mass ratio of the alkali activator to the silicon-aluminum-containing mineral material is 1: 1.2-1: 1.9; the alkali activator is a mixture of at least one of sodium hydroxide and potassium hydroxide and an aqueous solution of sodium silicate, and the modulus of the alkali activator is 1.2-1.5M;
each cubic meter of the fiber ceramic composite material contains 7.6-8 kilograms of fibers; the fibers are polyethylene fibers.
5. The fiber ceramic composite material according to any one of claims 1 to 4, wherein the alkali activator is a mass ratio of at least one of sodium hydroxide and potassium hydroxide to sodium silicate of 1:3.5 to 1: 4.5.
6. A fiber ceramic composite according to any of claims 1 to 4, characterized in that the silica-alumina containing mineral material is kaolin.
7. A fiber ceramic composite according to any of claims 1 to 4, characterized in that the silica-alumina containing mineral material is bauxite.
8. The fiber ceramic composite according to any one of claims 1 to 4, wherein the silica-alumina containing mineral material is phosphorous slag.
9. A method of making a fiber ceramic composite according to any one of claims 1 to 8, comprising the steps of:
(1) preparing slurry: grinding the silicon-aluminum-containing mineral material to obtain powder;
mixing the nanoscale powder and the fibers to obtain an intermediate;
mixing the intermediate with the alkali activator to obtain a slurry;
(2) adding water to the slurry and mixing.
10. The method of claim 9, wherein the water is at a temperature of 60 ℃ to 85 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102910882A (en) * | 2012-11-08 | 2013-02-06 | 沈阳建筑大学 | Fiber-reinforced alkali-activated cementing material and preparation method thereof |
| CN103803939A (en) * | 2013-12-30 | 2014-05-21 | 广西启利新材料科技股份有限公司 | Geopolymer based fibreboard |
| CN104108903A (en) * | 2014-06-18 | 2014-10-22 | 东南大学 | Corn straw fiber enhanced fly ash polymer gel material and preparation method thereof |
| CA3000469A1 (en) * | 2017-04-10 | 2018-10-10 | Acm Technologies Inc. | Decorative concrete topping process |
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2019
- 2019-11-21 CN CN201911149554.7A patent/CN110723954B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910882A (en) * | 2012-11-08 | 2013-02-06 | 沈阳建筑大学 | Fiber-reinforced alkali-activated cementing material and preparation method thereof |
| CN103803939A (en) * | 2013-12-30 | 2014-05-21 | 广西启利新材料科技股份有限公司 | Geopolymer based fibreboard |
| CN104108903A (en) * | 2014-06-18 | 2014-10-22 | 东南大学 | Corn straw fiber enhanced fly ash polymer gel material and preparation method thereof |
| CA3000469A1 (en) * | 2017-04-10 | 2018-10-10 | Acm Technologies Inc. | Decorative concrete topping process |
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