CN108358638A - A kind of metal-impregnated carbon slide preparation process - Google Patents
A kind of metal-impregnated carbon slide preparation process Download PDFInfo
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- CN108358638A CN108358638A CN201810282322.8A CN201810282322A CN108358638A CN 108358638 A CN108358638 A CN 108358638A CN 201810282322 A CN201810282322 A CN 201810282322A CN 108358638 A CN108358638 A CN 108358638A
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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
- 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
- C04B35/52—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 carbon, e.g. graphite
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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
- 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
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/515—Other specific metals
- C04B41/5166—Lead
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/407—Copper
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention discloses a kind of metal-impregnated carbon slide preparation processes, include the following steps：S1, raw material, pitch coke, nanoscale graphite alkene powder, modified coal asphalt, copper powder, Pot metal；Pitch coke, Graphene powder, copper powder are pressed 20 25 by S2, mixed powder：50‑60:58 weight part ratio uniformly mixes.S3, pitch binder applied, by the raw material mixed in S2 and modified coal asphalt with weight part ratio for 23:1 1.8 ratio mixing, then stirs evenly；The raw material stirred evenly in S3 is pressed into the raw material plate that thickness is 50 millimeters by S4, rolling by roller mill；S5, molding cut the raw material plate in S4 according to die size, and are put into mold mold, and adobe is pressed by 700 tons or more of moulding press；The adobe that S4 is prepared is put into roaster and roasts by S5, roasting；S6, leaching metal；S7, the carbon base body after the completion of leaching metal is taken out, removal impurity obtains carbon slipper raw material, is subsequently processed into carbon slipper.The present invention implements relatively simple, and cost is relatively low.
Description
Technical field
The present invention relates to a kind of techniques of manufacture pantograph carbon slide, and work is prepared more particularly to a kind of metal-impregnated carbon slide
Skill.
Background technology
The dynamic connector of electric locomotive is exactly pantograph carbon slide, and the important materials of carbon slipper, that is, carbon draw runner.Its work
As principle be exactly carbon draw runner and contact power grid CONTACT WITH FRICTION takes electricity, send electric locomotive to, to maintain its normal operation.By
It is to carry out in the natural environment in working environment, exposes sleet, ice and snow sometimes in atrocious weather, and is also transported in high speed
Row constantly generates friction with contact power grid, the generation phenomena such as process of friction has electric arc, impact, thus also becomes frequency
The component of numerous replacement.
It can be seen that carbon draw runner material comprehensive performance is its necessary requirement, wherein high intensity, high tenacity, low resistance, wear-resisting
And the sliding contact material of self-lubricating property is optimal selection.
Nowadays electric locomotive pantograph carbon slide plate is divided into three kinds：Powder shaped charge liner, pure carbon slipper, C-base composte material
Slide plate.And to ensure that the electric conductivity of carbon slipper and self-lubricity generally can all take leaching smithcraft, but current carbon slipper
It is complex to soak smithcraft, and efficiency is relatively low.
Therefore, applicant proposes a kind of metal-impregnated carbon slide preparation process, and the carbon slipper property indices prepared are full
Sufficient national standard, and it is simple for process, efficient.
Invention content
Based on the deficiencies of the prior art, the present invention provides a kind of metal-impregnated carbon slide preparation processes.
Specifically, a kind of metal-impregnated carbon slide preparation process provided by the invention, includes the following steps：
S1, raw material, pitch coke, nanoscale graphite alkene powder, modified coal asphalt, copper powder, Pot metal（Wherein Cu64-65%,
Pb23.5%, surplus are Sn+Si+Ni etc.）；
The average particle size of the pitch coke is 100-150 mesh, ash content≤0.20%, sulfur content≤0.5%, fugitive constituent≤0.5%；
The average particle size of the graphene is 50-100 mesh, stretch modulus≤1.01TPa, ultimate strength≤116Gpa；
The average particle size 90-130 mesh of the copper powder, density are 8.92 × 103/cm3；
The softening point of the modified coal asphalt is 90-100 DEG C, and coking value is >=55%, ash content≤0.20%；
Pitch coke, Graphene powder, copper powder are pressed 20-25 by S2, mixed powder：50-60:The weight part ratio of 5-8 uniformly mixes.It is preferred that
Ground, ethyl alcohol can be added in mixing, and this mode can increase the uniformity of mixing, and drying material after the completion of mixing；
S3, pitch binder applied, by the raw material mixed in S2 and modified coal asphalt with weight part ratio for 2-3:1-1.8 ratio it is mixed
It closes, then stirs evenly；
The raw material stirred evenly in S3 is pressed into the raw material plate that thickness is 50 millimeters by S4, rolling by roller mill；
S5, molding cut the raw material plate in S4 according to die size, and are put into mold mold, pass through 700 tons or more of mould
Press is pressed into adobe, and the size of the adobe is 30*200*30 ㎜；
The adobe that S4 is prepared is put into roaster and roasts by S5, roasting, and temperature control mode is as follows：
- 100 DEG C of room temperature heats up according to 100 DEG C/h, keeps 1h；
It 100-200 DEG C, heats up according to 100 DEG C/h, keeps 1h；
200 DEG C -900 DEG C, according to 100 DEG C/h heat up, keep 7h；
900 DEG C -1200 DEG C, according to according to 150 DEG C/h heat up, keep 2h；
Then after natural cooling, carbon base body is obtained；
S6, leaching metal, 600 DEG C are preheating to by carbon body, and then Pot metal is put into dipping stove, is heated to 800-1200
DEG C, so that it is completely melt into liquid, then carbon base body is put into the liquid of fusing, and liquid covers carbon base body, and liquid is heated
Increase to -30 megapascal of 25 megapascal to 1200-1600 DEG C, and by the protection gas air pressure for impregnating environment, taken out after being kept for 4-6 hours,
It is air-cooled to room temperature；Argon gas may be used in protection gas；
S7, the carbon base body after the completion of leaching metal is taken out, removal impurity obtains carbon slipper raw material, is subsequently processed into carbon slipper i.e.
It can.
The beneficial effects of the invention are as follows：The present invention implements relatively simple, and cost is relatively low, and finished product, which has, preferably leads
Electrical property and wearability, self lubricity.
Specific implementation mode
With reference to embodiment, the invention will be further described：
Embodiment one
A kind of metal-impregnated carbon slide preparation process, includes the following steps：
S1, raw material, pitch coke, nanoscale graphite alkene powder, modified coal asphalt, copper powder, Pot metal（Wherein Cu64-65%,
Pb23.5%, surplus are Sn+Si+Ni etc.）；
The average particle size of the pitch coke is 100-150 mesh, ash content≤0.20%, sulfur content≤0.5%, fugitive constituent≤0.5%；
The average particle size of the graphene is 50-100 mesh, stretch modulus≤1.01TPa, ultimate strength≤116Gpa；
The average particle size 90-130 mesh of the copper powder, density are 8.92 × 103/cm3；
The softening point of the modified coal asphalt is 90-100 DEG C, and coking value is >=55%, ash content≤0.20%；
Pitch coke, Graphene powder, copper powder are pressed 20-25 by S2, mixed powder：50-60:The weight part ratio of 5-8 uniformly mixes.Mixed
Ethyl alcohol can be added when conjunction, this mode can increase the uniformity of mixing, and drying material after the completion of mixing；
Pitch coke is made of by weight percentage following different-grain diameter pitch coke：
0.55mm<Grain size≤20~25wt% of 0.35mm
0.35mm<Grain size≤25~30wt% of 0.10mm
0<Grain size<45~50wt% of 0.10mm；
S3, pitch binder applied, by the raw material mixed in S2 and modified coal asphalt with weight part ratio for 2.5:1.5 ratio is mixed
It closes, then stirs evenly；
The raw material stirred evenly in S3 is pressed into the raw material plate that thickness is 50 millimeters by S4, rolling by roller mill；
S5, molding cut the raw material plate in S4 according to die size, and are put into mold mold, pass through 700 tons or more of mould
Press is pressed into adobe, and the size of the adobe is 30*200*30 ㎜；
The adobe that S4 is prepared is put into roaster and roasts by S5, roasting, and temperature control mode is as follows：
- 100 DEG C of room temperature heats up according to 100 DEG C/h, keeps 1h；
It 100-200 DEG C, heats up according to 100 DEG C/h, keeps 1h；
200 DEG C -900 DEG C, according to 100 DEG C/h heat up, keep 7h；
900 DEG C -1200 DEG C, according to according to 150 DEG C/h heat up, keep 2h；
Then after natural cooling, carbon base body is obtained；
S6, leaching metal, 600 DEG C are preheating to by carbon body, and then Pot metal is put into dipping stove, 900 DEG C is heated to, makes it
It is completely melt into liquid, then carbon base body is put into the liquid of fusing, and liquid covers carbon base body, liquid is heated to 1400
DEG C, and the protection gas air pressure for impregnating environment is increased into 28 megapascal, and it is taken out after being kept for 4 hours, it is air-cooled to room temperature；Protect gas can be with
Using argon gas；
S7, the carbon base body after the completion of leaching metal is taken out, removal impurity obtains carbon slipper raw material, is subsequently processed into carbon slipper i.e.
It can.
Embodiment two
A kind of metal-impregnated carbon slide preparation process, includes the following steps：
S1, raw material, pitch coke, nanoscale graphite alkene powder, modified coal asphalt, copper powder, Pot metal（Wherein Cu64-65%,
Pb23.5%, surplus are Sn+Si+Ni etc.）；
The average particle size of the pitch coke is 100-150 mesh, ash content≤0.20%, sulfur content≤0.5%, fugitive constituent≤0.5%；
The average particle size of the graphene is 50-100 mesh, stretch modulus≤1.01TPa, ultimate strength≤116Gpa；
The average particle size 90-130 mesh of the copper powder, density are 8.92 × 103/cm3；
The softening point of the modified coal asphalt is 90-100 DEG C, and coking value is >=55%, ash content≤0.20%；
Pitch coke, Graphene powder, copper powder are pressed 20-25 by S2, mixed powder：50-60:The weight part ratio of 5-8 uniformly mixes.It is preferred that
Ground, ethyl alcohol can be added in mixing, and this mode can increase the uniformity of mixing, and drying material after the completion of mixing；
S3, pitch binder applied, by the raw material mixed in S2 and modified coal asphalt with weight part ratio for 2.5:1.5 ratio is mixed
It closes, then stirs evenly；
The raw material stirred evenly in S3 is pressed into the raw material plate that thickness is 50 millimeters by S4, rolling by roller mill；
S5, molding cut the raw material plate in S4 according to die size, and are put into mold mold, pass through 700 tons or more of mould
Press is pressed into adobe, and the size of the adobe is 30*200*30 ㎜；
The adobe that S4 is prepared is put into roaster and roasts by S5, roasting, and temperature control mode is as follows：
- 100 DEG C of room temperature heats up according to 100 DEG C/h, keeps 1h；
It 100-200 DEG C, heats up according to 100 DEG C/h, keeps 1h；
200 DEG C -900 DEG C, according to 100 DEG C/h heat up, keep 7h；
900 DEG C -1200 DEG C, according to according to 150 DEG C/h heat up, keep 2h；
Then after natural cooling, carbon base body is obtained；
S6, leaching metal, 600 DEG C are preheating to by carbon body, and then Pot metal is put into dipping stove, 900 DEG C is heated to, makes it
It is completely melt into liquid, then carbon base body is put into the liquid of fusing, and liquid covers carbon base body, liquid is heated to 1400
DEG C, and the protection gas air pressure for impregnating environment is increased into 28 megapascal, and it is taken out after being kept for 4 hours, it is air-cooled to room temperature；Protect gas can be with
Using argon gas；
S7, the carbon base body after the completion of leaching metal is taken out, removal impurity obtains carbon slipper raw material, is subsequently processed into carbon slipper i.e.
It can.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of metal-impregnated carbon slide preparation process, which is characterized in that include the following steps：
S1, raw material, pitch coke, nanoscale graphite alkene powder, modified coal asphalt, copper powder；
Pitch coke, Graphene powder, copper powder are pressed 20-25 by S2, mixed powder：50-60:The weight part ratio of 5-8 uniformly mixes；
S3, pitch binder applied, by the raw material mixed in S2 and modified coal asphalt with weight part ratio for 2-3:1-1.8 ratio it is mixed
It closes, then stirs evenly；
The raw material stirred evenly in S3 is pressed into the raw material plate that thickness is 50 millimeters by S4, rolling by roller mill；
S5, molding cut the raw material plate in S4 according to die size, and are put into mold mold, pass through 700 tons or more of mould
Press is pressed into adobe；
The adobe that S4 is prepared is put into roaster and roasts by S5, roasting, and temperature control mode is as follows：
- 100 DEG C of room temperature heats up according to 100 DEG C/h, keeps 1h；
It 100-200 DEG C, heats up according to 100 DEG C/h, keeps 1h；
200 DEG C -900 DEG C, according to 100 DEG C/h heat up, keep 7h；
900 DEG C -1200 DEG C, according to according to 150 DEG C/h heat up, keep 2h；
Then after natural cooling, carbon base body is obtained；
S6, leaching metal, 600 DEG C are preheating to by carbon body, and then Pot metal is put into dipping stove, is heated to 800-1200
DEG C, so that it is completely melt into liquid, then carbon base body is put into the liquid of fusing, and liquid covers carbon base body, and liquid is heated
Increase to -30 megapascal of 25 megapascal to 1200-1600 DEG C, and by the protection gas air pressure for impregnating environment, taken out after being kept for 4-6 hours,
It is air-cooled to room temperature；
S7, the carbon base body after the completion of leaching metal is taken out, removal impurity obtains carbon slipper raw material, is subsequently processed into carbon slipper i.e.
It can.
2. preparation process as described in claim 1, which is characterized in that each component content is in the Pot metal：Cu64-
65%, Pb23.5%, surplus are Sn+Si+Ni and other；
The average particle size of the pitch coke is 100-150 mesh, ash content≤0.20%, sulfur content≤0.5%, fugitive constituent≤0.5%；
The average particle size of the graphene is 50-100 mesh, stretch modulus≤1.01TPa, ultimate strength≤116Gpa；
The average particle size 90-130 mesh of the copper powder, density are 8.92 × 103/cm3；
The softening point of the modified coal asphalt is 90-100 DEG C, and coking value is >=55%, ash content≤0.20%.
3. preparation process as described in claim 1, which is characterized in that ethyl alcohol is added in mixing in S2 and mixing is dried after the completion
Dry raw material.
4. preparation process as described in claim 1, which is characterized in that the size of adobe is 30*200*30 ㎜ in S5.
5. preparation process as described in claim 1, which is characterized in that pitch coke by following different-grain diameter pitch coke by weight
Percentage is constituted：
0.55mm<Grain size≤20~25wt% of 0.35mm
0.35mm<Grain size≤25~30wt% of 0.10mm
0<Grain size<45~50wt% of 0.10mm.
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ID=63002076
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020545A (en) * | 2018-08-13 | 2018-12-18 | 大同新成新材料股份有限公司 | A kind of pantograph pan and preparation method thereof |
| CN109232010A (en) * | 2018-10-18 | 2019-01-18 | 大同新成新材料股份有限公司 | A kind of preparation process of the netted compound pantograph pan of copper carbon |
| US10576360B2 (en) | 2015-10-16 | 2020-03-03 | Globe International Nominees Pty Ltd | Powered skateboard |
| CN113185292A (en) * | 2021-04-27 | 2021-07-30 | 宜宾学院 | Production method of extrusion-molded copper graphite material |
| CN115368137A (en) * | 2021-05-17 | 2022-11-22 | 宜宾学院 | Preparation process of copper-carbon-graphite composite material |
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| CN1041136A (en) * | 1988-09-14 | 1990-04-11 | 成都铁路局科学技术研究所 | Metal-soaked carbon block of bow collector of electric locomotive |
| US20120195004A1 (en) * | 2009-09-02 | 2012-08-02 | University Of Washington | Porous Thermoplastic Foams as Heat Transfer Materials |
| CN105459835A (en) * | 2015-12-08 | 2016-04-06 | 上海洲跃生物科技有限公司 | Pantograph pan with flexible electric brush |
| CN107556059A (en) * | 2017-08-29 | 2018-01-09 | 自贡东新电碳有限责任公司 | A kind of preparation method of high ferro with pantograph with leaching copper carbon slide plate |
| CN107757376A (en) * | 2017-11-14 | 2018-03-06 | 盐城金麦穗科技发展有限公司 | Rice wheat straw graphene pantograph pan and its production method |
| CN107857591A (en) * | 2017-10-30 | 2018-03-30 | 大同新成新材料股份有限公司 | A kind of method that pantograph metal-impregnated carbon draw runner material is prepared using nano-carbon powder |
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| CN1041136A (en) * | 1988-09-14 | 1990-04-11 | 成都铁路局科学技术研究所 | Metal-soaked carbon block of bow collector of electric locomotive |
| US20120195004A1 (en) * | 2009-09-02 | 2012-08-02 | University Of Washington | Porous Thermoplastic Foams as Heat Transfer Materials |
| CN105459835A (en) * | 2015-12-08 | 2016-04-06 | 上海洲跃生物科技有限公司 | Pantograph pan with flexible electric brush |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10576360B2 (en) | 2015-10-16 | 2020-03-03 | Globe International Nominees Pty Ltd | Powered skateboard |
| US10617935B2 (en) | 2015-10-16 | 2020-04-14 | Globe International Nominees Pty Ltd | Motorized wheel assembly with quick release |
| US10835806B2 (en) | 2015-10-16 | 2020-11-17 | Globe International Nominees Pty Ltd | Motorized wheel assembly with quick release |
| CN109020545A (en) * | 2018-08-13 | 2018-12-18 | 大同新成新材料股份有限公司 | A kind of pantograph pan and preparation method thereof |
| CN109232010A (en) * | 2018-10-18 | 2019-01-18 | 大同新成新材料股份有限公司 | A kind of preparation process of the netted compound pantograph pan of copper carbon |
| CN113185292A (en) * | 2021-04-27 | 2021-07-30 | 宜宾学院 | Production method of extrusion-molded copper graphite material |
| CN115368137A (en) * | 2021-05-17 | 2022-11-22 | 宜宾学院 | Preparation process of copper-carbon-graphite composite material |
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