CN107557605A - A kind of impregnating metal material of magnetic suspension train carbon sliding block - Google Patents
A kind of impregnating metal material of magnetic suspension train carbon sliding block Download PDFInfo
- Publication number
- CN107557605A CN107557605A CN201610496424.0A CN201610496424A CN107557605A CN 107557605 A CN107557605 A CN 107557605A CN 201610496424 A CN201610496424 A CN 201610496424A CN 107557605 A CN107557605 A CN 107557605A
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- Prior art keywords
- sliding block
- charcoal
- carbon sliding
- silicon
- nickel
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/02—Alloys based on copper with tin as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
Abstract
The present invention discloses a kind of impregnating metal material of magnetic suspension train carbon sliding block, including raw metal, silicon, and charcoal；Wherein, the silicon, the weight of charcoal and the raw metal are：Silicon 35, charcoal 0.5 2, raw metal 80 120；The raw metal includes：Red copper, tin and nickel；The weight of the red copper, tin and nickel is：Red copper 60 80, tin 10 20, nickel 10 20.The impregnating metal strength of materials of the carbon sliding block of the present invention is good, and stability is good, and environmental suitability is high, and processing characteristics is good, and electric conductivity, heat conductivility are good, and with good physics, mechanics, chemical property.
Description
Technical field
The present invention relates to the rail carbon sliding block of magnetic suspension train the 3rd, the leaching more particularly to a kind of magnetic suspension train with carbon sliding block
Stain metal material, belong to urban track traffic accessories field.
Background technology
Magnetic suspension train is a kind of modern high technology track vehicle, and it is realized between train and track by electromagnetic force
Contactless suspension and guiding, recycle the electromagnetic force tractor-trailer train of straight line to run.With the continuous increasing of national economic strength
The strong and improvement of people's living standards, it is necessary to improve the transport capacity of track traffic to adapt to economic development and people's livelihood needs, moral
The country such as state, Japan, U.S. has expanded the developmental research of magnetic suspension train, what Germany and Japan went it is bigger into
Just.At present, China has opened magnetic suspension train, and operational excellence on Shanghai, Changsha and other places.Because magnetic suspension train has
Quickly, low consumption, environmental protection, it is safe the advantages that, therefore prospect is very wide.Routine conductive maglev train is up to 400-500 kilometers/small
When, levitated superconducting magnet train is up to 500-600 kilometers/hour.
Magnetic suspension train contacts during high-speed cruising, by carbon sliding block with the 3rd rail, because magnetic suspension train is transported
Row very high speed, therefore, there is high requirement to the electric conductivity, wearability and hardness of carbon sliding block.Currently for magnetic suspension train
Almost do not have with the research of carbon sliding block, existing carbon sliding block is mostly powder metallurgy carbon sliding block, due to powder shaped charge liner material
Firmly, coefficient of friction is big, serious to path wear, and material property itself, and it is existing to easily cause side, chip off-falling etc. in running
As, and easily cause parking and phenomena such as electric conductivity difference, and it is on the high side.Therefore, the present invention provides a kind of magnetic suspension
The impregnating metal material of train carbon sliding block, the carbon sliding block greasy property, conductive aspect after material of the present invention dipping are completely excellent
Different from powder shaped charge liner, the coefficient of friction between carbon sliding block and track is reduced, track is not worn substantially, solves train fortune
Fall side chip off-falling problem caused by during row, and increase the electric conductivity of carbon sliding block.
The content of the invention
The primary and foremost purpose of the present invention is to provide a kind of magnetic suspension train for the above-mentioned problems of the prior art to be slided with carbon
The impregnating metal material of block, the impregnating metal strength of materials of carbon sliding block of the invention is good, and stability is good, and environmental suitability is high, adds
Work performance is good, and electric conductivity, heat conductivility are good, service life length, and with good physics, mechanics, chemical property.
To realize the purpose of the present invention, the present invention provides a kind of impregnating metal material of magnetic suspension train carbon sliding block, bag
Raw metal is included, in addition to：
Silicon；And
Charcoal；
Wherein, the weight of the silicon and the charcoal is：Silicon 3-5, charcoal 0.5-2.
Particularly, the silicon is the unformed silicon of purity >=95%, and the fusing point height of silicon, hardness are big, have semiconductor property；
Because silicon materials tension force is small, density ratio copper is small, can swim in above copper water, therefore the main slow copper water alloy of silicon in the present invention
Solidification, makes the later stage conveniently take.
Especially, the charcoal is common charcoal, and its effect is to prevent alloy oxidation, and anti-blocking sliding block impregnating metal material
Expect the oxidation during high-temperature operation.
Wherein, the silicon, the weight of charcoal and the raw metal are：Silicon 3-5, charcoal 0.5-2, raw metal
80-120。
Particularly, the silicon, the weight of charcoal and the raw metal are preferably：Silicon 3.5-5, charcoal 1-2, gold
Belong to raw material 89-120.
Especially, the silicon, the weight of charcoal and the raw metal are preferably：Silicon 3-4.5, charcoal 0.5-
1.5th, raw metal 80-111.
Particularly, the silicon, the weight of charcoal and the raw metal are preferably：Silicon 3.5-4.5, charcoal 1-
1.5th, raw metal 89-111.
Especially, the silicon, the weight of charcoal and the raw metal are preferably：Silicon 3.5-4, charcoal 1-1.5,
Raw metal 89-100.
Particularly, the silicon, the weight of charcoal and the raw metal are preferably：Silicon 4-4.5, charcoal 1.5-2,
Raw metal 100-111.
Wherein, the raw metal includes red copper, tin and nickel.
Particularly, the weight of the red copper, tin and nickel is：Red copper 60-80, tin 10-20, nickel 10-20.
Especially, the red copper is industrial pure copper, and fusing point is 1083 DEG C, copper content >=99.9%.
The copper content of red copper is high, and electric conductivity, thermal conductivity are all preferable, and anti-corrosion, are greatly improved leading for impregnating metal material
Electrical property.
Particularly, the tin is tin slab, purity >=99.95%.
Tin can increase the intensity of the abrasion resistance properties of material, corrosion resistance and appropriateness.
Especially, the nickel is silvery white non-ferrous metal, purity >=90%.
Nickel has magnetic and good plasticity, corrosion resistance and good, is conventional alloying metal.Nickel is main inside material
If increase the bulk density of material, and the greasy property of increase material！
Wherein, it is described state silicon, the weight of charcoal and the red copper, tin and nickel is：Silicon 3-5, charcoal 0.5-2, purple
Copper 60-80, tin 10-20, nickel 10-20.
Particularly, it is described state silicon, the weight of charcoal and the red copper, tin and nickel is：Silicon 3.5-5, charcoal 1-2,
Red copper 65-80, tin 12-20, nickel 12-20.
Especially, it is described state silicon, the weight of charcoal and the red copper, tin and nickel is：Silicon 3-4.5, charcoal 0.5-
1.5th, red copper 60-75, tin 10-18, nickel 10-18.
Particularly, it is described state silicon, the weight of charcoal and the red copper, tin and nickel is：Silicon 3.5-4.5, charcoal 1-
1.5th, red copper 65-75, tin 12-18, nickel 12-18.
Especially, it is described state silicon, the weight of charcoal and the red copper, tin and nickel is：Silicon 3.5-4, charcoal 1-
1.5th, red copper 65-70, tin 12-15, nickel 12-15.
Particularly, it is described state silicon, the weight of charcoal and the red copper, tin and nickel is：Silicon 4-4.5, charcoal 1.5-
2nd, red copper 70-75, tin 15-18, nickel 15-18.
Carbon sliding block impregnating metal material of the present invention has the following advantages that and advantageous effects：
1st, the impregnating metal strength of materials of carbon sliding block of the invention is good, and stability is good, and environmental suitability is high, processing characteristics
Good, electric conductivity, heat conductivility are good, service life length, and with good physics, mechanics, chemical property.
2nd, carbon sliding block impregnating metal material selection silicon of the present invention can prevent that copper water alloy is slow in the process as addition
It solidifies, and its product later stage is conveniently taken.
3rd, carbon sliding block impregnating metal material selection charcoal of the present invention can prevent alloy oxidation, and anti-blocking as addition
Oxidation of the sliding block impregnating metal material during high-temperature operation.
4th, carbon sliding block impregnating metal material selection red copper of the present invention, tin, nickel can improve leading for material as raw metal
Electrical property, heat conductivility.
Embodiment
Invention is illustrated with reference to embodiments.Advantages of the present invention and feature will be with description and it is more clear
Chu.But these embodiments are only exemplary, do not form any restrictions to the scope of the present invention.Those skilled in the art should
Understand, the details and form of technical solution of the present invention can be modified without departing from the spirit and scope of the invention
Or replace, but these modifications and replacement are each fallen within protection scope of the present invention.
Embodiment 1
(1) stocked up according to following weight
(2) steeping liq is prepared
Copper plate, tin slab, nickel block, silico briquette are placed in the heating furnace that temperature is 550 DEG C, and it is heated up；
After temperature reaches 1400 DEG C, above-mentioned raw materials, which are stirred, makes it well mixed, and adds charcoal, and dipping is made
Liquid；
(3) compression process
Carbon sliding block material to be impregnated is placed in graphite crucible and is heated to 800-1000 DEG C, then by temperature is 1400 DEG C of left sides
Right impregnating metal liquid pours into graphite crucible and submerges the carbon sliding block material, and exceedes its 2cm；
The graphite crucible for being loaded with carbon sliding block material and impregnating metal liquid is placed in 650 tons of press, by graphite earthenware
Pot push-in press specified location, press table position is pressed to by seal closure, makes crucible with outside into sealing state；
Start baric systerm, pressurization 30s is carried out to above-mentioned graphite crucible by air pressure compression system, by 65MPa air
Inside indentation sealing cover, the impregnating metal liquid is pressed into inside the carbon sliding block material by air pressurized, that is, leaching is made
Carbon sliding block composite after stain metal.
Physical property detection is carried out to obtained carbon sliding block composite, the results are shown in Table 1；Obtained carbon sliding block is answered
Condensation material carries out wear test, and test basis is the " provisional technical conditions (TJ/ of AC drive locomotive pantograph metal-impregnated carbon slide
JW054-2014) ", test result is shown in Table 2.
Embodiment 2
(1) stocked up according to following weight
(2) steeping liq is prepared
Copper plate, tin slab, nickel block, silico briquette are placed in the heating furnace that temperature is 580 DEG C, and it is heated up；
After temperature reaches 1350 DEG C, above-mentioned raw materials, which are stirred, makes it well mixed, and adds charcoal, and dipping is made
Liquid；
(3) compression process
Carbon sliding block material to be impregnated is placed in graphite crucible and is heated to 800-1000 DEG C, then by temperature is 1350 DEG C of left sides
Right impregnating metal liquid pours into graphite crucible and submerges the carbon sliding block material, and exceedes its 2cm；
The graphite crucible for being loaded with carbon sliding block material and impregnating metal liquid is placed in 650 tons of press, by graphite earthenware
Pot push-in press specified location, press table position is pressed to by seal closure, makes crucible with outside into sealing state；
Start baric systerm, pressurization 35s is carried out to above-mentioned graphite crucible by air pressure compression system, by 65MPa air
Inside indentation sealing cover, the impregnating metal liquid is pressed into inside the carbon sliding block material by air pressurized, that is, leaching is made
Carbon sliding block composite after stain metal.
Physical property detection is carried out to obtained carbon sliding block composite, the results are shown in Table 1；Obtained carbon sliding block is answered
Condensation material carries out wear test, and test basis is the " provisional technical conditions (TJ/ of AC drive locomotive pantograph metal-impregnated carbon slide
JW054-2014) ", test result is shown in Table 2.
Embodiment 3
(1) stocked up according to following weight
(2) steeping liq is prepared
Copper plate, tin slab, nickel block, silico briquette are placed in the heating furnace that temperature is 530 DEG C, and it is heated up；
After temperature reaches 1450 DEG C, above-mentioned raw materials, which are stirred, makes it well mixed, and adds charcoal, and dipping is made
Liquid；
(3) compression process
Carbon sliding block material to be impregnated is placed in graphite crucible and is heated to 800-1000 DEG C, then by temperature is 1450 DEG C of left sides
Right impregnating metal liquid pours into graphite crucible and submerges the carbon sliding block material, and exceedes its 2cm；
The graphite crucible for being loaded with carbon sliding block material and impregnating metal liquid is placed in 650 tons of press, by graphite earthenware
Pot push-in press specified location, press table position is pressed to by seal closure, makes crucible with outside into sealing state；
Start baric systerm, pressurization 25s is carried out to above-mentioned graphite crucible by air pressure compression system, by 68MPa air
Inside indentation sealing cover, the impregnating metal liquid is pressed into inside the carbon sliding block material by air pressurized, that is, leaching is made
Carbon sliding block composite after stain metal.
Physical property detection is carried out to obtained carbon sliding block composite, the results are shown in Table 1；Obtained carbon sliding block is answered
Condensation material carries out wear test, and test basis is the " provisional technical conditions (TJ/ of AC drive locomotive pantograph metal-impregnated carbon slide
JW054-2014) ", test result is shown in Table 2.
Embodiment 4
(1) stocked up according to following weight
(2) steeping liq is prepared
Copper plate, tin slab, nickel block, silico briquette are placed in the heating furnace that temperature is 500 DEG C, and it is heated up；
After temperature reaches 1500 DEG C, above-mentioned raw materials, which are stirred, makes it well mixed, and adds charcoal, and dipping is made
Liquid；
(3) compression process
Carbon sliding block material to be impregnated is placed in graphite crucible and is heated to 800-1000 DEG C, then by temperature is 1500 DEG C of left sides
Right impregnating metal liquid pours into graphite crucible and submerges the carbon sliding block material, and exceedes its 2cm；
The graphite crucible for being loaded with carbon sliding block material and impregnating metal liquid is placed in 650 tons of press, by graphite earthenware
Pot push-in press specified location, press table position is pressed to by seal closure, makes crucible with outside into sealing state；
Start baric systerm, pressurization 20s is carried out to above-mentioned graphite crucible by air pressure compression system, by 70MPa air
Inside indentation sealing cover, the impregnating metal liquid is pressed into inside the carbon sliding block material by air pressurized, that is, leaching is made
Carbon sliding block composite after stain metal.
Physical property detection is carried out to obtained carbon sliding block composite, the results are shown in Table 1；Obtained carbon sliding block is answered
Condensation material carries out wear test, and test basis is the " provisional technical conditions (TJ/ of AC drive locomotive pantograph metal-impregnated carbon slide
JW054-2014) ", test result is shown in Table 2.
Embodiment 5
(1) stocked up according to following weight
(2) steeping liq is prepared
Copper plate, tin slab, nickel block, silico briquette are placed in the heating furnace that temperature is 600 DEG C, and it is heated up；
After temperature reaches 1300 DEG C, above-mentioned raw materials, which are stirred, makes it well mixed, and adds charcoal, and dipping is made
Liquid；
(3) compression process
Carbon sliding block material to be impregnated is placed in graphite crucible and is heated to 800-1000 DEG C, then by temperature is 1300 DEG C of left sides
Right impregnating metal liquid pours into graphite crucible and submerges the carbon sliding block material, and exceedes its 2cm；
The graphite crucible for being loaded with carbon sliding block material and impregnating metal liquid is placed in 650 tons of press, by graphite earthenware
Pot push-in press specified location, press table position is pressed to by seal closure, makes crucible with outside into sealing state；
Start baric systerm, pressurization 40s is carried out to above-mentioned graphite crucible by air pressure compression system, by 60MPa air
Inside indentation sealing cover, the impregnating metal liquid is pressed into inside the carbon sliding block material by air pressurized, that is, leaching is made
Carbon sliding block composite after stain metal.
Physical property detection is carried out to obtained carbon sliding block composite, the results are shown in Table 1；Obtained carbon sliding block is answered
Condensation material carries out wear test, and test basis is the " provisional technical conditions (TJ/ of AC drive locomotive pantograph metal-impregnated carbon slide
JW054-2014) ", test result is shown in Table 2.
The embodiment 1-5 carbon sliding block composite physical property testing results of table 1
From the data in table 1, it can be seen that the carbon sliding block composite physical property after present invention dipping is good, reach railway TJ/
The requirement of JW054-2014 standards, resistivity is low, conducts electricity very well, and bulk density is small, and rupture strength and compression strength are high, and hardness is fitted
In, impact flexibility is good, and compared to the carbon sliding block material for being not impregnated with metal, resistivity reduces 20 μ Ω m or so, bulk density
Add 0.87-0.9g/cm3, rupture strength improves 34-47MPa, and compression strength improves 155-174MPa, Rockwell hardness
71-75 is improved, impact flexibility improves 0.14-0.19J/cm2。
The embodiment 1-5 carbon sliding block composite wear test results of table 2
| Height wear resistance ratio | Weight wear resistance ratio | To line wear resistance ratio | |
| Standard | ≤10mm | ≤204 | ≤0.025 |
| Embodiment 1 | 5 | 57 | 0.01 |
| Embodiment 2 | 5.2 | 58 | 0.011 |
| Embodiment 3 | 5.13 | 55 | 0.012 |
| Embodiment 4 | 4.99 | 59 | 0.009 |
| Embodiment 5 | 5.14 | 56 | 0.013 |
From the data in table 2, it can be seen that the carbon sliding block composite physical property after present invention dipping is good, reach TJ/
JW054-2014 requirement, wear resistance ratio is small, and anti-wear performance is good.
Claims (10)
1. a kind of impregnating metal material of magnetic suspension train carbon sliding block, including raw metal, it is characterised in that also include：
Silicon；And
Charcoal；
Wherein, the weight of the silicon and the charcoal is：Silicon 3-5, charcoal 0.5-2.
2. the impregnating metal material of magnetic suspension train as claimed in claim 1 carbon sliding block, it is characterised in that the silicon, wood
The weight of charcoal and the raw metal is：Silicon 3-5, charcoal 0.5-2, raw metal 80-120.
3. the impregnating metal material of magnetic suspension train as claimed in claim 2 carbon sliding block, it is characterised in that the metal raw
Material includes：Red copper, tin and nickel.
4. the impregnating metal material of magnetic suspension train as claimed in claim 3 carbon sliding block, it is characterised in that the red copper,
The weight of tin and nickel is：Red copper 60-80, tin 10-20, nickel 10-20.
5. the impregnating metal material of magnetic suspension train as claimed in claim 4 carbon sliding block, it is characterised in that it is described state silicon,
The weight of charcoal and the red copper, tin and nickel is：Silicon 3-5, charcoal 0.5-2, red copper 60-80, tin 10-20, nickel 10-
20。
6. the impregnating metal material of magnetic suspension train as claimed in claim 5 carbon sliding block, it is characterised in that it is described state silicon,
The weight of charcoal and the red copper, tin and nickel is：Silicon 3.5-5, charcoal 1-2, red copper 65-80, tin 12-20, nickel 12-
20。
7. the impregnating metal material of magnetic suspension train as claimed in claim 5 carbon sliding block, it is characterised in that it is described state silicon,
The weight of charcoal and the red copper, tin and nickel is：Silicon 3-4.5, charcoal 0.5-1.5, red copper 60-75, tin 10-18, nickel
10-18。
8. the impregnating metal material of magnetic suspension train as claimed in claim 5 carbon sliding block, it is characterised in that it is described state silicon,
The weight of charcoal and the red copper, tin and nickel is：Silicon 3.5-4.5, charcoal 1-1.5, red copper 65-75, tin 12-18, nickel
12-18。
9. the impregnating metal material of magnetic suspension train as claimed in claim 5 carbon sliding block, it is characterised in that it is described state silicon,
The weight of charcoal and the red copper, tin and nickel is：Silicon 3.5-4, charcoal 1-1.5, red copper 65-70, tin 12-15, nickel 12-
15。
10. the impregnating metal material of magnetic suspension train as claimed in claim 5 carbon sliding block, it is characterised in that it is described state silicon,
The weight of charcoal and the red copper, tin and nickel is：Silicon 4-4.5, charcoal 1.5-2, red copper 70-75, tin 15-18, nickel 15-
18。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496424.0A CN107557605A (en) | 2016-06-30 | 2016-06-30 | A kind of impregnating metal material of magnetic suspension train carbon sliding block |
| PCT/CN2017/090456 WO2018001260A1 (en) | 2016-06-30 | 2017-06-28 | Impregnated metal material for use in carbon slider of maglev train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496424.0A CN107557605A (en) | 2016-06-30 | 2016-06-30 | A kind of impregnating metal material of magnetic suspension train carbon sliding block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107557605A true CN107557605A (en) | 2018-01-09 |
Family
ID=60786616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610496424.0A Pending CN107557605A (en) | 2016-06-30 | 2016-06-30 | A kind of impregnating metal material of magnetic suspension train carbon sliding block |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107557605A (en) |
| WO (1) | WO2018001260A1 (en) |
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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 |
| CN2167888Y (en) * | 1993-09-20 | 1994-06-08 | 北京市朝阳区振兴福利电碳制品厂 | Carbon sliding plate for pantograph of electric locomotive |
| CN1099343A (en) * | 1993-08-24 | 1995-03-01 | 东新电碳厂 | Pantograph slide board of electric locomotive and its making method |
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| CN1029674C (en) * | 1991-09-25 | 1995-09-06 | 铁道部科学研究金属及化学研究所 | Design and produciton of electric locomotive compund slide |
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| CN101287848A (en) * | 2005-04-04 | 2008-10-15 | 迪尔金属合作两合公司 | Use of a copper zinc alloy |
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| WO2018001260A1 (en) | 2018-01-04 |
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Application publication date: 20180109 |