CN105130437A - High-hardness wear-resistant titanium carbide ceramic and preparation method thereof - Google Patents
High-hardness wear-resistant titanium carbide ceramic and preparation method thereof Download PDFInfo
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- CN105130437A CN105130437A CN201510549849.9A CN201510549849A CN105130437A CN 105130437 A CN105130437 A CN 105130437A CN 201510549849 A CN201510549849 A CN 201510549849A CN 105130437 A CN105130437 A CN 105130437A
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Abstract
The invention discloses high-hardness wear-resistant titanium carbide ceramic and a preparation method thereof. The high-hardness wear-resistant titanium carbide ceramic is characterized by being prepared from, by weight, 90-120 parts of titanium carbide, 1-5 parts of aluminum oxide, 2-7 parts of kaolin powder, 0.8-2 parts of zirconium oxide, 1.5-4 parts of calcium oxide, 2-6 parts of titanium dioxide, 1.8-3.5 parts of antimonous oxide, 0.6-3 parts of carbon fibers, 0.05-0.3 part of surfactant, 0.5-3 parts of polyethylene, 25-30 parts of absolute ethyl alcohol, 2-5 parts of glycerol and 65-75 parts of deionized water. According to the high-hardness wear-resistant titanium carbide ceramic and the preparation method thereof, the hardness (HV) of the titanium carbide reaches over 2400, the compressive strength (MPa) reaches over 4500, the bending strength (MPa) reaches over 540, the technology is simple, the raw material sources are convenient, the hardness and the wear resistant property of the titanium carbide ceramic are obviously improved, and the application range of the titanium carbide ceramic is enlarged.
Description
Technical field
The present invention relates to a kind of high hardness wear-resisting titanium carbide ceramic and preparation method thereof, belong to technical field of ceramic production.
Background technology
Titanium carbide has excellent mechanical property, high thermal conductivity and good thermal shock resistance etc., and these characteristics make them be used widely in fields such as aerospace, automotive industry and the energy.But the shortcoming of titanium carbide ceramic poor toughness, processing difficulties limits its application.Titanium carbide is a kind of stable compound of typical covalent bonds, add that its spread coefficient is low, very difficult conventional sintering method reaches densification, must by adding some sintering aids to reduce surface energy or to increase surface-area, and special process process be adopted to obtain fine and close titanium carbide ceramic.
Summary of the invention
The object of this invention is to provide the titanium carbide ceramic that the good hardness of a kind of wear resistance is high.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of high hardness wear-resisting titanium carbide ceramic, is made up of the raw material of following weight part: titanium carbide 90-120, aluminum oxide 1-5, kaolin powder 2-7, zirconium white 0.8-2, calcium oxide 1.5-4, titanium dioxide 2-6, antimonous oxide 1.8-3.5, carbon fiber 0.6-3, tensio-active agent 0.05-0.3, polyethylene 0.5-3, dehydrated alcohol 25-30, glycerine 2-5, deionized water 65-75.
Preferably, described high hardness wear-resisting titanium carbide ceramic is made up of the raw material of following weight part: titanium carbide 100-110, aluminum oxide 2-4, kaolin powder 4-6, zirconium white 1-1.5, calcium oxide 2-3, titanium dioxide 3-5, antimonous oxide 2.5-3, carbon fiber 1.6-2.5, tensio-active agent 0.05-0.2, polyethylene 1.5-2, dehydrated alcohol 26-28, glycerine 3-5, deionized water 68-70.
Preferably, described high hardness wear-resisting titanium carbide ceramic is made up of the raw material of following weight part: titanium carbide 105, aluminum oxide 3, kaolin powder 4.5, zirconium white 1.2, calcium oxide 2.8, titanium dioxide 4.4, antimonous oxide 2.9, carbon fiber 2.1, tensio-active agent 0.15, polyethylene 1.7, dehydrated alcohol 26, glycerine 4.6, deionized water 68.
Preferably, the length of described carbon fiber is 4-6mm.
Preferably, described tensio-active agent is one or more in glyceryl monostearate, polysorbate, dioctyl succinate disulfonate acid, sodium laurylsulfonate.
Prepare the method for above-mentioned high hardness wear-resisting titanium carbide ceramic, comprise following concrete steps:
(1) titanium carbide, aluminum oxide, kaolin powder, zirconium white, calcium oxide, titanium dioxide, antimonous oxide, deionized water mixing are added to ball milling 60-90min in ball grinder, add polyethylene, dehydrated alcohol, glycerine again, carry out wet-mixed 40-60min with the rotating speed of 300-400rpm;
(2) carbon fiber, tensio-active agent is added, rotating speed is reduced to 100-200rpm, continue ball milling 40-60min, the slurry mixed at room temperature is bled and is slowly added in metal die, then be placed in insulation can at 700-750 DEG C, be incubated 30-50 minute after the demoulding, at room temperature seasoning is to constant weight;
(3) inserted in reaction sintering stove by the titanium carbide ceramic biscuit that step (2) obtains, vacuumized by sintering oven, be warming up to 1650-1680 DEG C, constant temperature keeps 120-180min, and sample furnace cooling can obtain high hardness wear-resisting titanium carbide ceramic.
Preferably, described ball grinder is equipped with high-purity alpha-alumina abrading-ball.
Preferably, its speed that heats up described in step (3) is 30-35 DEG C/min.
Advantage of the present invention is:
(1) carbon fiber of the present invention's interpolation can improve the mechanical property of titanium carbide, improves the fracture toughness property of pottery, improves intensity and the density of biscuit, and the carbonization meeting machining needs interpolation improves the wear resistance of pottery by the emperor himself further.
(2) metallic element that the present invention adds improves the compactness of titanium carbide ceramic, decreases the loss of material, improves yield rate.
(3) present invention process is simple, and raw material sources are convenient, and significantly improve hardness and the wear resisting property of titanium carbide ceramic, expand the use range of titanium carbide ceramic.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
embodiment 1
A kind of high hardness wear-resisting titanium carbide ceramic, is made up of the raw material of following weight part: titanium carbide 105, aluminum oxide 3, kaolin powder 4.5, zirconium white 1.2, calcium oxide 2.8, titanium dioxide 4.4, antimonous oxide 2.9, carbon fiber 2.1, tensio-active agent 0.15, polyethylene 1.7, dehydrated alcohol 26, glycerine 4.6, deionized water 68.
Wherein, the length of described carbon fiber is 4mm, and described tensio-active agent is glyceryl monostearate, sodium laurylsulfonate.
Prepare the method for above-mentioned high hardness wear-resisting titanium carbide ceramic, comprise following concrete steps:
(1) titanium carbide, aluminum oxide, kaolin powder, zirconium white, calcium oxide, titanium dioxide, antimonous oxide, deionized water mixing are added to ball milling 90min in the ball grinder being equipped with high-purity alpha-alumina abrading-ball, add polyethylene, dehydrated alcohol, glycerine again, carry out wet-mixed 60min with the rotating speed of 400rpm;
(2) carbon fiber, tensio-active agent is added, rotating speed is reduced to 200rpm, continues ball milling 60min, is at room temperature bled by the slurry mixed and be slowly added in metal die, then be placed in insulation can at 750 DEG C, be incubated 50 minutes after the demoulding, at room temperature seasoning is to constant weight;
(3) the titanium carbide ceramic biscuit that step (2) obtains is inserted in reaction sintering stove, sintering oven is vacuumized, with the ramp to 1680 DEG C of 35 DEG C/min, constant temperature keeps 180min, and sample furnace cooling can obtain high hardness wear-resisting titanium carbide ceramic.
Its performance of the titanium carbide ceramic that the present embodiment obtains is: hardness (HV): 2700; Ultimate compression strength (MPa): 4700; Bending strength (MPa): 570.
embodiment 2
A kind of high hardness wear-resisting titanium carbide ceramic, is made up of the raw material of following weight part: titanium carbide 120, aluminum oxide 5, kaolin powder 7, zirconium white 2, calcium oxide 4, titanium dioxide 6, antimonous oxide 3.5, carbon fiber 3, tensio-active agent 0.3, polyethylene 3, dehydrated alcohol 30, glycerine 5, deionized water 75.
Wherein, the length of described carbon fiber is 6mm, and described tensio-active agent is glyceryl monostearate, polysorbate, dioctyl succinate disulfonate acid, sodium laurylsulfonate.
Prepare the method for above-mentioned high hardness wear-resisting titanium carbide ceramic, comprise following concrete steps:
(1) titanium carbide, aluminum oxide, kaolin powder, zirconium white, calcium oxide, titanium dioxide, antimonous oxide, deionized water mixing are added to ball milling 60min in the ball grinder being equipped with high-purity alpha-alumina abrading-ball, add polyethylene, dehydrated alcohol, glycerine again, carry out wet-mixed 40min with the rotating speed of 300rpm;
(2) carbon fiber, tensio-active agent is added, rotating speed is reduced to 100rpm, continues ball milling 40min, is at room temperature bled by the slurry mixed and be slowly added in metal die, then be placed in insulation can at 700 DEG C, be incubated 30 minutes after the demoulding, at room temperature seasoning is to constant weight;
(3) the titanium carbide ceramic biscuit that step (2) obtains is inserted in reaction sintering stove, sintering oven is vacuumized, with the ramp to 1650 DEG C of 30 DEG C/min, constant temperature keeps 120min, and sample furnace cooling can obtain high hardness wear-resisting titanium carbide ceramic.
Its performance of the titanium carbide ceramic that the present embodiment obtains is: hardness (HV): 2600; Ultimate compression strength (MPa): 4500; Bending strength (MPa): 550.
embodiment 3
A kind of high hardness wear-resisting titanium carbide ceramic, is made up of the raw material of following weight part: titanium carbide 90, aluminum oxide 1, kaolin powder 2, zirconium white 0.8, calcium oxide 1.5, titanium dioxide 2, antimonous oxide 1.8, carbon fiber 0.6, tensio-active agent 0.05, polyethylene 0.5, dehydrated alcohol 25, glycerine 2, deionized water 65.
Wherein, the length of described carbon fiber is 5mm, and described tensio-active agent is polysorbate, dioctyl succinate disulfonate acid.
Prepare the method for above-mentioned high hardness wear-resisting titanium carbide ceramic, comprise following concrete steps:
(1) titanium carbide, aluminum oxide, kaolin powder, zirconium white, calcium oxide, titanium dioxide, antimonous oxide, deionized water mixing are added to ball milling 80min in the ball grinder being equipped with high-purity alpha-alumina abrading-ball, add polyethylene, dehydrated alcohol, glycerine again, carry out wet-mixed 50min with the rotating speed of 350rpm;
(2) carbon fiber, tensio-active agent is added, rotating speed is reduced to 110rpm, continues ball milling 50min, is at room temperature bled by the slurry mixed and be slowly added in metal die, then be placed in insulation can at 720 DEG C, be incubated 40 minutes after the demoulding, at room temperature seasoning is to constant weight;
(3) the titanium carbide ceramic biscuit that step (2) obtains is inserted in reaction sintering stove, sintering oven is vacuumized, with the ramp to 1660 DEG C of 33 DEG C/min, constant temperature keeps 160min, and sample furnace cooling can obtain high hardness wear-resisting titanium carbide ceramic.
Its performance of the titanium carbide ceramic that the present embodiment obtains is: hardness (HV): 2550; Ultimate compression strength (MPa): 4600; Bending strength (MPa): 560.
embodiment 4
A kind of high hardness wear-resisting titanium carbide ceramic, is made up of the raw material of following weight part: titanium carbide 100, aluminum oxide 3, kaolin powder 5, zirconium white 1.8, calcium oxide 3, titanium dioxide 4, antimonous oxide 2.5, carbon fiber 2.8, tensio-active agent 0.25, polyethylene 2, dehydrated alcohol 28, glycerine 2, deionized water 70.
Wherein, the length of described carbon fiber is 4mm, and described tensio-active agent is glyceryl monostearate, polysorbate, dioctyl succinate disulfonate acid, sodium laurylsulfonate.
Prepare the method for above-mentioned high hardness wear-resisting titanium carbide ceramic, comprise following concrete steps:
(1) titanium carbide, aluminum oxide, kaolin powder, zirconium white, calcium oxide, titanium dioxide, antimonous oxide, deionized water mixing are added to ball milling 70min in the ball grinder being equipped with high-purity alpha-alumina abrading-ball, add polyethylene, dehydrated alcohol, glycerine again, carry out wet-mixed 45min with the rotating speed of 380rpm;
(2) carbon fiber, tensio-active agent is added, rotating speed is reduced to 120rpm, continues ball milling 60min, is at room temperature bled by the slurry mixed and be slowly added in metal die, then be placed in insulation can at 720 DEG C, be incubated 40 minutes after the demoulding, at room temperature seasoning is to constant weight;
(3) the titanium carbide ceramic biscuit that step (2) obtains is inserted in reaction sintering stove, sintering oven is vacuumized, with the ramp to 1680 DEG C of 30 DEG C/min, constant temperature keeps 200min, and sample furnace cooling can obtain high hardness wear-resisting titanium carbide ceramic.
Its performance of the titanium carbide ceramic that the present embodiment obtains is: hardness (HV): 2450; Ultimate compression strength (MPa): 4650; Bending strength (MPa): 540.
Claims (8)
1. a high hardness wear-resisting titanium carbide ceramic, it is characterized in that, be made up of the raw material of following weight part: titanium carbide 90-120, aluminum oxide 1-5, kaolin powder 2-7, zirconium white 0.8-2, calcium oxide 1.5-4, titanium dioxide 2-6, antimonous oxide 1.8-3.5, carbon fiber 0.6-3, tensio-active agent 0.05-0.3, polyethylene 0.5-3, dehydrated alcohol 25-30, glycerine 2-5, deionized water 65-75.
2. high hardness wear-resisting titanium carbide ceramic according to claim 1, it is characterized in that, be made up of the raw material of following weight part: titanium carbide 100-110, aluminum oxide 2-4, kaolin powder 4-6, zirconium white 1-1.5, calcium oxide 2-3, titanium dioxide 3-5, antimonous oxide 2.5-3, carbon fiber 1.6-2.5, tensio-active agent 0.05-0.2, polyethylene 1.5-2, dehydrated alcohol 26-28, glycerine 3-5, deionized water 68-70.
3. high hardness wear-resisting titanium carbide ceramic according to claim 2, it is characterized in that, be made up of the raw material of following weight part: titanium carbide 105, aluminum oxide 3, kaolin powder 4.5, zirconium white 1.2, calcium oxide 2.8, titanium dioxide 4.4, antimonous oxide 2.9, carbon fiber 2.1, tensio-active agent 0.15, polyethylene 1.7, dehydrated alcohol 26, glycerine 4.6, deionized water 68.
4. the high hardness wear-resisting titanium carbide ceramic according to any one of claim 1-3, is characterized in that, the length of described carbon fiber is 4-6mm.
5. high hardness wear-resisting titanium carbide ceramic according to claim 4, is characterized in that, described tensio-active agent is one or more in glyceryl monostearate, polysorbate, dioctyl succinate disulfonate acid, sodium laurylsulfonate.
6. a preparation method for high hardness wear-resisting titanium carbide ceramic, is characterized in that, comprises following concrete steps:
(1) titanium carbide, aluminum oxide, kaolin powder, zirconium white, calcium oxide, titanium dioxide, antimonous oxide, deionized water mixing are added to ball milling 60-90min in ball grinder, add polyethylene, dehydrated alcohol, glycerine again, carry out wet-mixed 40-60min with the rotating speed of 300-400rpm;
(2) carbon fiber, tensio-active agent is added, rotating speed is reduced to 100-200rpm, continue ball milling 40-60min, the slurry mixed at room temperature is bled and is slowly added in metal die, then be placed in insulation can at 700-750 DEG C, be incubated 30-50 minute after the demoulding, at room temperature seasoning is to constant weight;
(3) inserted in reaction sintering stove by the titanium carbide ceramic biscuit that step (2) obtains, vacuumized by sintering oven, be warming up to 1650-1680 DEG C, constant temperature keeps 120-180min, and sample furnace cooling can obtain high hardness wear-resisting titanium carbide ceramic.
7. the preparation method of high hardness wear-resisting titanium carbide ceramic according to claim 6, is characterized in that, described ball grinder is equipped with high-purity alpha-alumina abrading-ball.
8. the preparation method of high hardness wear-resisting titanium carbide ceramic according to claim 7, is characterized in that, its speed that heats up described in step (3) is 30-35 DEG C/min.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508744A (en) * | 2013-04-03 | 2014-01-15 | 安徽美芝精密制造有限公司 | Ceramic material, and preparation method and applications thereof |
| CN103641456A (en) * | 2013-12-12 | 2014-03-19 | 刘秀端 | High-strength nano composite ceramic material and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508744A (en) * | 2013-04-03 | 2014-01-15 | 安徽美芝精密制造有限公司 | Ceramic material, and preparation method and applications thereof |
| CN103641456A (en) * | 2013-12-12 | 2014-03-19 | 刘秀端 | High-strength nano composite ceramic material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 宋桂明 等: "碳纤维增强TiC复合材料的制备与高温强度", 《材料工程》 * |
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