CN108385013A - A kind of compound walking spa- cial system core and preparation method thereof - Google Patents
A kind of compound walking spa- cial system core and preparation method thereof Download PDFInfo
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- CN108385013A CN108385013A CN201810244300.2A CN201810244300A CN108385013A CN 108385013 A CN108385013 A CN 108385013A CN 201810244300 A CN201810244300 A CN 201810244300A CN 108385013 A CN108385013 A CN 108385013A
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- graphene
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- ethyl alcohol
- mixture
- mischmetal
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 73
- 239000000843 powder Substances 0.000 claims abstract description 67
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 53
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000203 mixture Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 35
- 235000019441 ethanol Nutrition 0.000 claims abstract description 27
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 21
- 235000017858 Laurus nobilis Nutrition 0.000 claims abstract description 20
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 20
- 235000005212 Terminalia tomentosa Nutrition 0.000 claims abstract description 20
- 244000125380 Terminalia tomentosa Species 0.000 claims abstract description 20
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- -1 polyoxyethylene Polymers 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 10
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 9
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 150000002739 metals Chemical class 0.000 claims abstract description 6
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 19
- 238000012986 modification Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 15
- 239000012190 activator Substances 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002525 ultrasonication Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 7
- 238000004821 distillation Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 5
- 239000012467 final product Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 229910052765 Lutetium Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052773 Promethium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- KZKCOVQRXJUGDG-UHFFFAOYSA-N praseodymium Chemical compound [Pr][Pr] KZKCOVQRXJUGDG-UHFFFAOYSA-N 0.000 description 2
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 2
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- PRZWBGYJMNFKBT-UHFFFAOYSA-N yttrium Chemical compound [Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y][Y] PRZWBGYJMNFKBT-UHFFFAOYSA-N 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- WSFQKYAVYHDRER-UHFFFAOYSA-N dysprosium Chemical compound [Dy].[Dy] WSFQKYAVYHDRER-UHFFFAOYSA-N 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
Abstract
The invention discloses a kind of compound walking spa- cial system core and preparation method thereof, compound walking spa- cial system core composition includes base material and graphene mixture, wherein base material component includes：Si, Fe, Nb, WC and M metal, wherein M metals are any one or a few in Ni, Cu, Co；Graphene mixture includes：Polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol, graphene and rare earth element.Preparation method：First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed, then graphene powder, rare earth element powder is added, it is ultrasonically treated, distillation and concentration is dried, filtration drying after being mixed with excess ethyl alcohol with Si powder, Fe powder, Nb powder, WC particle and M metal powders, ball milling, compacting, sintering to get.
Description
Technical field
A kind of compound walking spa- cial system core of the present invention and preparation method thereof, belongs to the field of Physical Property of Metal modification.
Background technology
Graphene is the two-dimentional new carbon of a kind of single carbon atom thickness, it has excellent mechanical property, such as high
Specific strength and rigidity.Meanwhile graphene has great specific surface area, high conductivity and thermal conductivity.Graphene it is excellent
The performances such as mechanics, calorifics and electricity make it have broad application prospects in field of compound material, especially metal-based compound material
Material.Graphene can same various metals（Such as Al, Cu, Ni）Composite material is prepared, wherein aluminum matrix composite is widely used
In aerospace, automobile, electronics and optical instrument, introducing graphene largely improves the comprehensive performance of parent metal,
The application field of parent metal based composites has been widened, there is very big researching value, to realize that industrialized production is established
Basis.
Graphene is a kind of flat film forming hexangle type in honeycomb lattice by carbon atom with sp2 hybridized orbits, is
Only there are one the two-dimensional materials of carbon atom thickness, and due to its special structure, graphene is considered known most thin in the world, most
Hard nano material, it is almost fully transparent, and thermal coefficient is up to 5300W/mK, is a kind of good conductor.Stone
Black alkene can make up the deficiency of other materials mechanical performance, electrical and thermal conductivity performance, but graphene with other materials compound use
With very strong hydrophobicity, it is very poor that this allows for compatibility of the graphene in other materials.
Invention content
The present invention provides a kind of graphene composite material bar core and preparation method thereof of enhancing metal, the technical side of use
Case is as follows：
A kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component is by mass percentage
Meter is as follows：Si 1 ~ 5%, Fe 65 ~ 85%, Nb 4 ~ 10%, WC 2 ~ 7% and M metals 5 ~ 15%（M metals are arbitrary in Ni, Cu, Co
It is one or more of）, graphene the ingredients of a mixture is as follows by mass percentage：Polyoxyethylene laurel ether 75 ~ 80%, polyethylene
Alcohol 5 ~ 15%, ethyl alcohol 2 ~ 10%, graphene 3 ~ 5% and rare earth element 0.2 ~ 2%.
The preparation method of the compound walking spa- cial system core, is as follows：
（1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed, graphene powder, rare earth element powder is then added,
The graphene dispersing solution of mischmetal is obtained using ultrasonication；The graphene dispersing solution of mischmetal is distilled and is concentrated
Liquid and through drying, obtains the graphene mixture of the mischmetal of activator modification；
（2）By step（1）The graphene mixture and base material of the mischmetal of obtained activator modification（Si powder, Fe powder,
Nb powder, WC particle and M metal powders）Filtration drying after being mixed with ethyl alcohol, later uniform ball milling obtain preliminary composite powder
Body；
（3）By step（2）Obtained preliminary composite powder opisthosoma is pressed into cylinder, is then sintered to get the composite wood
Charge bar material core.
Innovative point of the present invention is as follows：1）Using the distinctive mechanical performance of graphene and physical property, mixed rare-earth elements into
Row processing mode, forefathers research not it has been found that；2）Graphene and rare earth element are mixed using dispersant, obtain graphene-
The initial mixture matter of rare earth element；To make graphene be organically combined with other materials, using polyoxyethylene laurel ether to graphite
Alkene surface carries out moditied processing, and suspension is then mixed and made into ethyl alcohol, is on the one hand to consider polyoxyethylene laurel ether and other
Material such as high molecular material has good binding performance, and graphene can be improved by the other hand having also contemplated polyoxyethylene laurel ether
Reunite；3）Bar core base material of the present invention contains a large amount of Fe elements, to dissolve in bar core when the cast of follow-up carbon steel, provides very well
Interface cohesion advantage；4）The present invention is intentionally added WC ceramic particles, to improve the mechanical performance of the composite material of bar core；5）
The technology establishment of the present invention is more rigorous and facilitates execution, technical to researcher of less demanding.By searching for pertinent literature,
Do not find that, with the presence of similar approach and product, the present invention will have apparent rush to the research for improving carbon steel physics, mechanical performance
Into effect, there is very strong Auxiliary Significance, there is good application prospect.
Description of the drawings
Fig. 1 is preparation technology flow chart of the present invention.
Specific implementation mode
In order to deepen the understanding of the present invention, with reference to embodiment and attached drawing, the invention will be further described, below
Embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
Embodiment 1
A kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component is by mass percentage
Meter is as follows：Si 3%、Fe 75%、Nb 6%、WC（Tungsten carbide）7%, Co 4% and Ni 5%；Graphene the ingredients of a mixture presses quality
Percentages are as follows：Polyoxyethylene laurel ether 75%, polyvinyl alcohol 13%, ethyl alcohol 5%, graphene 5% and rare earth element（Lanthanum）Powder
2%。
Preparation method：
1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed, graphene powder is then added（Long and wide by respectively 1~
300 μm, thickness is 5~12nm）, rare earth element powder（Lanthanum powder, granularity are 500 mesh/purity 99.999%）, utilize ultrasonic wave
（Frequency 50kHz, power 1kW, 20 DEG C of temperature）Processing 20min obtains the graphene dispersing solution of mischmetal；By mischmetal
Graphene dispersing solution distills（70 DEG C, 30min）It obtains concentrate and through drying, obtains the graphite of the mischmetal of activator modification
Alkene mixture；
2）By step 1）The graphene mixture and base material of the mischmetal of obtained activator modification（Si powder, Fe powder, Nb
Powder, WC particle, Co powder and Ni powder, powder size and purity are as follows：100 mesh of Si powder sizes/purity 99.999%, Fe
300 mesh of powder size/purity 99.99%, 500 mesh of Nb powder sizes/purity 99.999%, 100 mesh of WC particle granularity/purity
300 mesh of 99.999%, Co powder size/purity 99.999%, 300 mesh of Ni powder sizes/purity 99.999%）After being mixed with ethyl alcohol
Filtration drying（50 DEG C, 5h）, uniform ball milling later（Ar is protected, 300r/min, 7h）Obtain preliminary composite powder opisthosoma；
3）By step 2）Obtained preliminary composite powder opisthosoma compacting（Hip moulding, 20MPa）At cylinder, then burnt
Knot（Discharge plasma sintering, vacuum degree -0.01MPa, 1000 DEG C of temperature, axial pressure 100MPa, time 0.5h, discharge current
80A）To obtain the final product.
Embodiment 2
A kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component is by mass percentage
Meter is as follows：Si 2%, Fe 83%, Nb 5%, WC 4%, Ni 4% and Cu 2%；Graphene the ingredients of a mixture is by mass percentage
It is as follows：Polyoxyethylene laurel ether 75%, polyvinyl alcohol 13%, ethyl alcohol 6%, graphene 4% and rare earth element（Cerium+praseodymium+yttrium+erbium）2%.
Preparation method：
1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed, graphene powder is then added（Long and wide by respectively 1~
300 μm, thickness is 5~12nm）, rare earth element powder（Cerium+praseodymium+yttrium+erbium powder, granularity are 500 mesh/purity 99.999%）,
Utilize ultrasonic activation（Frequency 50kHz, power 1kW, temperature 50 C）Processing 30min obtains the graphene dispersion of mischmetal
Liquid；The graphene dispersing solution of mischmetal is distilled（120 DEG C, 20min）It obtains concentrate and through drying, obtains activator modification
Mischmetal graphene mixture；
2）By step 1）The graphene mixture and base material of the mischmetal of obtained activator modification（100 mesh of Si powder sizes/
Purity 99.999%, 300 mesh of Fe powder sizes/purity 99.99%, 500 mesh of Nb powder sizes/purity 99.999%, WC particle granularity
100 mesh/purity 99.999%, 300 mesh of Ni powder sizes/purity 99.999%, 100 mesh of Cu powder sizes/purity 99.999%）With
Filtration drying after ethyl alcohol mixing（150 DEG C, 5h）, uniform ball milling later（Ar is protected, 1200r/min, 12h）Obtain preliminary composite powder
Opisthosoma；
3）By step 2）Obtained preliminary composite powder opisthosoma compacting（Hip moulding, 150MPa）At cylinder, then carry out
Sintering（Discharge plasma sintering, vacuum degree -0.01MPa, 2000 DEG C of temperature, axial pressure 200MPa, time 1h, discharge current
350A）To obtain the final product.
Embodiment 3
A kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component is by mass percentage
Meter is as follows：Si 4%, Fe 79%, Nb 9%, WC 3%, Co 1% and Cu 4%；Graphene the ingredients of a mixture is by mass percentage
It is as follows：Polyoxyethylene laurel ether 79%, polyvinyl alcohol 7%, ethyl alcohol 10%, graphene 3% and rare earth element（Neodymium or samarium or dysprosium or ytterbium）
1%。
Preparation method：
1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed.Then graphene powder is added（Long and wide by respectively 1~
300 μm, thickness is 5~12nm）, rare earth element powder（Neodymium or samarium or dysprosium or ytterbium powder, granularity are 200 mesh/purity
99.999%）.Utilize ultrasonic activation（Frequency 30kHz, power 1kW, temperature 50 C）Processing 30min obtains the stone of mischmetal
Black alkene dispersion liquid；The graphene dispersing solution of mischmetal is distilled（80 DEG C, 30min）It obtains concentrate and through drying, is lived
The graphene mixture of the mischmetal of agent modification；
2）By step 1）The graphene mixture and base material of the mischmetal of obtained activator modification（100 mesh of Si powder sizes/
Purity 99.999%, 300 mesh of Fe powder sizes/purity 99.99%, 500 mesh of Nb powder sizes/purity 99.999%, WC particle granularity
100 mesh/purity 99.999%, 300 mesh of Co powder sizes/purity 99.999%, 300 mesh of Cu powder sizes/purity 99.999%）With
Filtration drying after ethyl alcohol mixing（100 DEG C, 20h）, uniform ball milling later（Ar is protected, 300r/min, 10h）Obtain preliminary composite powder
Opisthosoma；
3）By step 2）Obtained preliminary composite powder opisthosoma compacting（Hip moulding, 30MPa）At cylinder, then burnt
Knot（Discharge plasma sintering, condition are vacuum degree -0.01MPa, 1000 DEG C of temperature, axial pressure 200MPa, time 1h, electric discharge
Electric current 100A）To obtain the final product.
Embodiment 4
A kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component is by mass percentage
Meter is as follows：Si 5%, Fe 70%, Nb 6%, WC 5%, Co 8% and Ni 6%；Graphene the ingredients of a mixture is by mass percentage
It is as follows：Polyoxyethylene laurel ether 79%, polyvinyl alcohol 12.5%, ethyl alcohol 3%, graphene 5% and rare earth element（Europium+promethium+gadolinium）0.5%.
Preparation method：
1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed.Then graphene powder is added（Long and wide by respectively 1~
300 μm, thickness is 5~12nm）, rare earth element powder（Europium+promethium+gadolinium powder, granularity are 500 mesh/purity 99.999%）.It utilizes
Ultrasonic activation（Frequency 30kHz, power 1kW, temperature 50 C）Processing 30min obtains the graphene dispersing solution of mischmetal；It will
The graphene dispersing solution of mischmetal distills（80 DEG C, 30min）It obtains concentrate and through drying, obtains the mixing of activator modification
The graphene mixture of rare earth；
2）By step 1）The graphene mixture and base material of the mischmetal of obtained activator modification（100 mesh of Si powder sizes/
Purity 99.999%, 300 mesh of Fe powder sizes/purity 99.99%, 1000 mesh of Nb powder sizes/purity 99.999%, WC particle grain
Spend 100 mesh/purity 99.999%, 300 mesh of Co powder sizes/purity 99.999%, 300 mesh of Ni powder sizes/purity 99.999%）
Filtration drying after being mixed with ethyl alcohol（100 DEG C, 20h）, uniform ball milling later（Ar is protected, 300r/min, 10h）It obtains preliminary compound
Body of powder；
3）By step 2）Obtained preliminary composite powder opisthosoma compacting（Hip moulding, 30MPa）At cylinder, then burnt
Knot（Discharge plasma sintering, vacuum degree -0.01MPa, 1000 DEG C of temperature, axial pressure 200MPa, time 1h, discharge current
100A）To obtain the final product.
Embodiment 5
A kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component is by mass percentage
Meter is as follows：Si 1%, Fe 76%, Nb 4%, WC 6%, Co 5%, Ni 6% and Cu 2%；Graphene the ingredients of a mixture presses quality hundred
Divide as follows than counting：Polyoxyethylene laurel ether 75%, polyvinyl alcohol 8%, ethyl alcohol 10%, graphene 5% and rare earth element（Holmium or terbium or
Thulium or lutetium or scandium）2%.
Preparation method：
1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed.Then graphene powder is added（Long and wide by respectively 1~
300 μm, thickness is 5~12nm）, rare earth element powder（Holmium or terbium or thulium or lutetium or scandium powder, granularity are 300 mesh/purity
99.999%）.Utilize ultrasonic activation（Frequency 30kHz, power 1kW, temperature 50 C）Processing 30min obtains the stone of mischmetal
Black alkene dispersion liquid；The graphene dispersing solution of mischmetal is distilled（80 DEG C, 30min）It obtains concentrate and through drying, is lived
The graphene mixture of the mischmetal of agent modification；
2）By step 1）The graphene mixture and base material of the mischmetal of obtained activator modification（100 mesh of Si powder sizes/
Purity 99.999%, 300 mesh of Fe powder sizes/purity 99.99%, 1000 mesh of Nb powder sizes/purity 99.999%, WC particle grain
Spend 100 mesh/purity 99.999%, 300 mesh of Co powder sizes/purity 99.999%, 300 mesh of Ni powder sizes/purity 99.999%,
100 mesh/99.999% of Cu powder sizes）Filtration drying after being mixed with ethyl alcohol（100 DEG C, 20h）, uniform ball milling later（Ar is protected,
300r/min, 10h）Obtain preliminary composite powder opisthosoma；
3）By step 2）Obtained preliminary composite powder opisthosoma compacting（Hip moulding, 30MPa）At cylinder, then burnt
Knot（Discharge plasma sintering, vacuum degree -0.01MPa, 1000 DEG C of temperature, axial pressure 200MPa, time 1h, discharge current
200A）To obtain the final product.
Claims (4)
1. a kind of compound walking spa- cial system core, composition includes base material and graphene mixture, wherein base material component includes：Si、
Fe, Nb, WC and M metal, wherein M metals are any one or a few in Ni, Cu, Co；Graphene the ingredients of a mixture includes：
Polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol, graphene and rare earth element.
2. compound walking spa- cial system core according to claim 1, which is characterized in that the mass percent of each ingredient in base material
For：Si 1 ~ 5%, Fe 65 ~ 85%, Nb 4 ~ 10%, WC 2 ~ 7% and M metals 5 ~ 15%.
3. compound walking spa- cial system core according to claim 1, which is characterized in that the quality of each ingredient in graphene mixture
Percentage is：Polyoxyethylene laurel ether 75 ~ 80%, polyvinyl alcohol 5 ~ 15%, ethyl alcohol 2 ~ 10%, graphene 3 ~ 5% and rare earth element 0.2
~2%。
4. the preparation method of compound walking spa- cial system core, includes the following steps described in claims 1 to 3 any one：
（1）First polyoxyethylene laurel ether, polyvinyl alcohol, ethyl alcohol are mixed, graphene powder, rare earth element powder is then added,
The graphene dispersing solution of mischmetal is obtained using ultrasonication；The graphene dispersing solution of mischmetal is distilled and is concentrated
Liquid and through drying, obtains the graphene mixture of the mischmetal of activator modification；
（2）By step（1）The graphene mixture and Si powder, Fe powder, Nb powder of the mischmetal of obtained activator modification
Filtration drying after end, WC particle and M metal powders are mixed with ethyl alcohol, later uniform ball milling obtain preliminary composite powder opisthosoma；
（3）By step（2）Obtained preliminary composite powder opisthosoma is pressed into cylinder, be then sintered to get.
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| CN113894293A (en) * | 2021-10-08 | 2022-01-07 | 江苏省特种设备安全监督检验研究院 | Method for preparing graphene composite 18Ni-300 antifriction metal material based on SLM technology |
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