CN108950285A - A kind of ionic liquid modified graphene reinforced aluminum matrix composites - Google Patents
A kind of ionic liquid modified graphene reinforced aluminum matrix composites Download PDFInfo
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- CN108950285A CN108950285A CN201810991977.2A CN201810991977A CN108950285A CN 108950285 A CN108950285 A CN 108950285A CN 201810991977 A CN201810991977 A CN 201810991977A CN 108950285 A CN108950285 A CN 108950285A
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- ionic liquid
- modified graphene
- aluminum matrix
- liquid modified
- matrix composites
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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
- C22C1/1005—Pretreatment of the non-metallic additives
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
Abstract
The invention discloses a kind of ionic liquid modified graphene reinforced aluminum matrix composites, are related to new material technology field, the ionic liquid modified graphene containing its quality 0.282-0.288% in the ionic liquid modified graphene reinforced aluminum matrix composites, remaining is fine aluminium；Ionic liquid modified graphene reinforced aluminum matrix composites prepared by the present invention have excellent shock resistance damage performance.
Description
Technical field
The invention belongs to new material technology fields, and in particular to a kind of ionic liquid modified graphene enhancing aluminum-base composite material
Material.
Background technique
With the fast development of modern science and technology and industrial manufacturing industry, aerospace, Vehicle Engineering and power electronics
More stringent requirements are proposed for mechanical property of the equal fields to metal material.Improving, metal material mechanics performance especially tension is strong
Its electric conductivity, which is maintained or even increased, on the basis of degree and ductility is increasingly becoming the research hotspot of these fields in recent years.
Fine aluminium has good electric conductivity, can substantially meet above-mentioned field to metal material as a kind of metal material
The requirement of electric conductivity.But the tensile strength of fine aluminium itself is lower, while impact resistance damage performance is poor.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of ionic liquid modified graphene enhancing aluminum-base composite material is provided
Material.
The present invention is achieved by the following technical solutions:
A kind of ionic liquid modified graphene reinforced aluminum matrix composites, the ionic liquid modified graphene reinforced aluminum matrix composites
In the ionic liquid modified graphene containing its quality 0.282-0.288%, remaining is fine aluminium.
Further, the ionic liquid modified graphene the preparation method comprises the following steps:
(1) using ion energy for 235-240keV, beam current density 160-165A/cm2, pulse width is the mixed of 55-60ns
The intense pulsed ion beam for closing ion beam composition carries out surface irradiation processing, spoke to nano-graphene under 60 DEG C of environment temperature
It is 120s according to processing total time, umber of exposures is 5 times, is divided into 10-12s between each radiation treatment；
(2) by weight, 20-25 parts and organic solvent 80-85 parts of the nano-graphene by above-mentioned after radiation treatment, oil
2-4 parts sour, 0.5-0.8 parts of oxidant, 3-5 parts of inorganic salts, it is at normal temperature that the nano-graphene after radiation treatment is uniform
It is distributed in organic solvent, oleic acid is then added and then oxidant stirs 30-35min with 1200r/min revolving speed, is heated to
78-80 DEG C, 10min is kept the temperature, inorganic salts are then added, with 2500r/min revolving speed stirring 2 hours, then is filtered, successively adopted
It is cleaned with dehydrated alcohol and deionized water to product is filtered, drying to constant weight, obtains pre- modified nano graphite alkene；
(3) pre- modified nano graphite alkene obtained above is uniformly mixed with ionic liquid by 1:3-5 mass ratio, is added to reaction
It in kettle, vacuumizes, is then heated to 156-158 DEG C, then add 2, the 5- bis- of pre- modified nano graphite alkene quality 1.2-1.5%
Methyl -2,5 di-t-butyl hexane peroxide, with 1800r/min revolving speed stirring 2 hours, then after cooled to room temperature, into
Row filters, and is successively cleaned using dehydrated alcohol and deionized water to product is filtered, and drying to constant weight, and it is modified to obtain ionic liquid
Graphene.
Further, step (1) described ion beam mixing is made of following component by mass percentage: 78%H+、22%C+。
Further, nano-graphene granularity described in step (1) is 80nm.
Further, organic solvent described in step (2) be toluene, it is any in carbon tetrachloride.
Further, oxidant described in step (2) is potassium hyperchlorate.
Further, the inorganic salts are aluminum sulfate.
Further, step (3) ionic liquid is 1- carboxymethyl -3- methylimidazole hexafluorophosphate and N- sulfonic acid butyl
Pyridine disulfate is mixed by 3:1 mass ratio.
The utility model has the advantages that ionic liquid modified graphene reinforced aluminum matrix composites prepared by the present invention have excellent shock resistance
Damage performance, the present invention, come reinforced aluminum matrix composites, are existed by ionic liquid modified graphene by ionic liquid modified graphene
It is evenly dispersed in alumina-base material, stable three-dimensional network is capable of forming in alumina-base material, this structure has alumina-base material
Preferable reinforcing and protective effect, can greatly improve the surface hardness of aluminum matrix composite, it is damaging to improve its shock resistance
Can, the sliding of crystal boundary can also be hindered in biggish temperature range, delay the decaying of composite material elevated temperature strength, greatly
The mechanical property for improving composite material can further make composite surface when composite material surface forms oxide
Shock resistance damage is improved, through overtesting simultaneously as can be seen that the modified obtained stone of the graphene method of modifying of existing record
Black alkene is obviously not so good as ionic liquid modified graphene prepared by the present invention to the reinforcing effect that alumina-base material shock resistance damages；The present invention
The ionic liquid modified graphene reinforced aluminum matrix composites of preparation have excellent tensile property, and ionic liquid prepared by the present invention changes
Property graphene property and the modified graphene obvious differences of existing method, mainly ionic liquid obtained in the present invention changes
The sp of property graphene2The carbon atom lattice structure property of hydridization is further improved, so that ionic liquid modified graphite
Not only compatilizer is greatly enhanced alkene with alumina-base material, meanwhile, preferable boundary moisture is provided between aluminum metal
Property, it can preferably enhance alumina-base material performance.
Specific embodiment
Embodiment 1
A kind of ionic liquid modified graphene reinforced aluminum matrix composites, the ionic liquid modified graphene reinforced aluminum matrix composites
In the ionic liquid modified graphene containing its quality 0.282%, remaining is fine aluminium.
Further, the ionic liquid modified graphene the preparation method comprises the following steps:
(1) the ion beam mixing composition that ion energy is 55ns for 235keV, beam current density 160A/cm2, pulse width is used
Intense pulsed ion beam under 60 DEG C of environment temperature to nano-graphene carry out surface irradiation processing, radiation treatment total time
For 120s, umber of exposures is 5 times, is divided into 10s between each radiation treatment；
(2) by weight, 80 parts of 20 parts of the nano-graphene by above-mentioned after radiation treatment and organic solvent, 2 parts of oleic acid,
0.5 part of oxidant, 3 parts of inorganic salts, evenly spread to organic solvent for the nano-graphene after radiation treatment at normal temperature
In, oleic acid is then added and then oxidant stirs 30min with 1200r/min revolving speed, is heated to 78 DEG C, keeps the temperature 10min, then
Inorganic salts are added, with 2500r/min revolving speed stirring 2 hours, then is filtered, successively uses dehydrated alcohol and deionized water pair
It filters product to be cleaned, drying to constant weight, obtains pre- modified nano graphite alkene；
(3) pre- modified nano graphite alkene obtained above is uniformly mixed with ionic liquid by 1:3 mass ratio, is added to reaction kettle
In, it vacuumizes, is then heated to 156 DEG C, then add 2,5- dimethyl -2,5 two of pre- modified nano graphite alkene quality 1.2%
Tert-butyl hydroperoxide hexane then after cooled to room temperature, was filtered, successively with 1800r/min revolving speed stirring 2 hours
It is cleaned using dehydrated alcohol and deionized water to product is filtered, drying to constant weight, obtains ionic liquid modified graphene.
Further, step (1) described ion beam mixing is made of following component by mass percentage: 78%H+、22%C+。
Further, nano-graphene granularity described in step (1) is 80nm.
Further, organic solvent described in step (2) be toluene, it is any in carbon tetrachloride.
Further, oxidant described in step (2) is potassium hyperchlorate.
Further, the inorganic salts are aluminum sulfate.
Further, step (3) ionic liquid is 1- carboxymethyl -3- methylimidazole hexafluorophosphate and N- sulfonic acid butyl
Pyridine disulfate is mixed by 3:1 mass ratio.
Embodiment 2
A kind of ionic liquid modified graphene reinforced aluminum matrix composites, the ionic liquid modified graphene reinforced aluminum matrix composites
In the ionic liquid modified graphene containing its quality 0.288%, remaining is fine aluminium.
Further, the ionic liquid modified graphene the preparation method comprises the following steps:
(1) the ion beam mixing composition that ion energy is 60ns for 240keV, beam current density 165A/cm2, pulse width is used
Intense pulsed ion beam under 60 DEG C of environment temperature to nano-graphene carry out surface irradiation processing, radiation treatment total time
For 120s, umber of exposures is 5 times, is divided into 12s between each radiation treatment；
(2) by weight, 85 parts of 25 parts of the nano-graphene by above-mentioned after radiation treatment and organic solvent, 4 parts of oleic acid,
0.8 part of oxidant, 5 parts of inorganic salts, evenly spread to organic solvent for the nano-graphene after radiation treatment at normal temperature
In, oleic acid is then added and then oxidant stirs 35min with 1200r/min revolving speed, is heated to 80 DEG C, keeps the temperature 10min, then
Inorganic salts are added, with 2500r/min revolving speed stirring 2 hours, then is filtered, successively uses dehydrated alcohol and deionized water pair
It filters product to be cleaned, drying to constant weight, obtains pre- modified nano graphite alkene；
(3) pre- modified nano graphite alkene obtained above is uniformly mixed with ionic liquid by 1:5 mass ratio, is added to reaction
It in kettle, vacuumizes, is then heated to 158 DEG C, then add 2,5- dimethyl -2,5 of pre- modified nano graphite alkene quality 1.5%
Di-t-butyl hexane peroxide then after cooled to room temperature, was filtered with 1800r/min revolving speed stirring 2 hours, according to
Secondary to be cleaned using dehydrated alcohol and deionized water to product is filtered, drying to constant weight, obtains ionic liquid modified graphene.
Further, step (1) described ion beam mixing is made of following component by mass percentage: 78%H+、22%C+。
Further, nano-graphene granularity described in step (1) is 80nm.
Further, organic solvent described in step (2) be toluene, it is any in carbon tetrachloride.
Further, oxidant described in step (2) is potassium hyperchlorate.
Further, the inorganic salts are aluminum sulfate.
Further, step (3) ionic liquid is 1- carboxymethyl -3- methylimidazole hexafluorophosphate and N- sulfonic acid butyl
Pyridine disulfate is mixed by 3:1 mass ratio.
Embodiment 3
A kind of ionic liquid modified graphene reinforced aluminum matrix composites, the ionic liquid modified graphene reinforced aluminum matrix composites
In the ionic liquid modified graphene containing its quality 0.285%, remaining is fine aluminium.
Further, the ionic liquid modified graphene the preparation method comprises the following steps:
(1) the ion beam mixing composition that ion energy is 57ns for 238keV, beam current density 162A/cm2, pulse width is used
Intense pulsed ion beam under 60 DEG C of environment temperature to nano-graphene carry out surface irradiation processing, radiation treatment total time
For 120s, umber of exposures is 5 times, is divided into 11s between each radiation treatment；
(2) by weight, 82 parts of 22 parts of the nano-graphene by above-mentioned after radiation treatment and organic solvent, 3 parts of oleic acid,
0.6 part of oxidant, 4 parts of inorganic salts, evenly spread to organic solvent for the nano-graphene after radiation treatment at normal temperature
In, oleic acid is then added and then oxidant stirs 32min with 1200r/min revolving speed, is heated to 79 DEG C, keeps the temperature 10min, then
Inorganic salts are added, with 2500r/min revolving speed stirring 2 hours, then is filtered, successively uses dehydrated alcohol and deionized water pair
It filters product to be cleaned, drying to constant weight, obtains pre- modified nano graphite alkene；
(3) pre- modified nano graphite alkene obtained above is uniformly mixed with ionic liquid by 1:4 mass ratio, is added to reaction kettle
In, it vacuumizes, is then heated to 157 DEG C, then add 2,5- dimethyl -2,5 two of pre- modified nano graphite alkene quality 1.3%
Tert-butyl hydroperoxide hexane then after cooled to room temperature, was filtered, successively with 1800r/min revolving speed stirring 2 hours
It is cleaned using dehydrated alcohol and deionized water to product is filtered, drying to constant weight, obtains ionic liquid modified graphene.
Further, step (1) described ion beam mixing is made of following component by mass percentage: 78%H+、22%C+。
Further, nano-graphene granularity described in step (1) is 80nm.
Further, organic solvent described in step (2) be toluene, it is any in carbon tetrachloride.
Further, oxidant described in step (2) is potassium hyperchlorate.
Further, the inorganic salts are aluminum sulfate.
Further, step (3) ionic liquid is 1- carboxymethyl -3- methylimidazole hexafluorophosphate and N- sulfonic acid butyl
Pyridine disulfate is mixed by 3:1 mass ratio.
Comparative example 1: it is distinguished with embodiment 1 and is only that the graphite that ionic liquid modified graphene is replaced with to unmodified processing
Alkene.
Comparative example 2: it is only that ionic liquid modified graphene is replaced with to the pre- modification in the present invention to be received with the difference of embodiment 1
Rice graphene.
Comparative example 3: application number will be replaced with by being only that with the difference of embodiment 1: in 201210428350.9 at method of modifying
Manage obtained graphene.
Comparative example 4: it is only that when preparing ionic liquid modified graphene with the difference of embodiment 1 and is handled without step (1).
Control group: fine aluminium.
The low velocity impacts such as maintenance tool falls, equipment is hit can be preferably reproduced since freely falling body impacts, therefore
It is prefabricated that the present invention using freely falling body shock machine has carried out impact injury to sample material, and specimen holder is in two pieces when impact
Between have between the steel plate that side length is 40mm square hole, in order to which formed punch can impact the center heart district of sample when guaranteeing impact
Domain separated 201mm × 46mm × 1mm rectangular channel in the middle part of lower fixture, such basic guarantee sample by
For the distance between central point of shock point and sample within 1mm, jump bit hammer body is cylinder, and end is hemispherical, directly
Diameter is 16mm, and quality is fixed on 2.2kg, controls impact energy by adjusting the height of drop of formed punch, before test, carries out to sample
X- photo-beat is taken the photograph, it is ensured that exists without any defect, falls and cause after avoiding jump bit from rebounding using special device during test
Secondary pulse)；
Embodiment and 200 × 45 × 25(mm of comparative example specimen size)；
Impact energy is 9J;
Table 1
| Cup depth mm | Damaged area mm2 | |
| Embodiment mean value | 0.035 | 55.106 |
| Comparative example 1 | 0.218 | 225.671 |
| Comparative example 2 | 0.105 | 137.257 |
| Comparative example 3 | 0.187 | 197.243 |
| Comparative example 4 | 0.088 | 98.372 |
| Control group | 0.38 | 310.524 |
Ionic liquid modified graphene reinforced aluminum matrix composites prepared by the present invention have excellent shock resistance as can be seen from Table 1
Damage performance, the present invention, come reinforced aluminum matrix composites, are existed by ionic liquid modified graphene by ionic liquid modified graphene
It is evenly dispersed in alumina-base material, stable three-dimensional network is capable of forming in alumina-base material, this structure has alumina-base material
Preferable reinforcing and protective effect, can greatly improve the surface hardness of aluminum matrix composite, it is damaging to improve its shock resistance
Can, the sliding of crystal boundary can also be hindered in biggish temperature range, delay the decaying of composite material elevated temperature strength, greatly
The mechanical property for improving composite material can further make composite surface when composite material surface forms oxide
Shock resistance damage is improved, through overtesting simultaneously as can be seen that the modified obtained stone of the graphene method of modifying of existing record
Black alkene is obviously not so good as ionic liquid modified graphene prepared by the present invention to the reinforcing effect that alumina-base material shock resistance damages.
The preparation of sample instructs aluminium, magnesium and its alloy rapidoprint to stretch according to GB/T16865-1997
Relevant regulations in test sample selection standard are processed into rectangular specimen, test rate 10mm/min with milling machine；
Cupping machine used in tension test is 50kN micro-control electronic universal tester, model 5504, accuracy class 0.3,
Power 1.5kW, voltage 380V, extensometer use the 0.5 grade of extensometer to match with testing machine；
Embodiment and comparative example sample are detected:
Table 2
| Tensile strength/MPa | |
| Embodiment mean value | 251.3 |
| Comparative example 1 | 194.8 |
| Comparative example 2 | 223.7 |
| Comparative example 3 | 208.5 |
| Comparative example 4 | 240.6 |
| Control group | 155.6 |
As can be seen from Table 2, ionic liquid modified graphene reinforced aluminum matrix composites prepared by the present invention have excellent stretching
Performance.
Claims (8)
1. a kind of ionic liquid modified graphene reinforced aluminum matrix composites, which is characterized in that the ionic liquid modified graphene increases
Ionic liquid modified graphene containing its quality 0.282-0.288% in strong aluminum matrix composite, remaining is fine aluminium.
2. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as described in claim 1, which is characterized in that it is described from
Sub- liquid modified graphene the preparation method comprises the following steps:
(1) using ion energy for 235-240keV, beam current density 160-165A/cm2, pulse width is the mixed of 55-60ns
The intense pulsed ion beam for closing ion beam composition carries out surface irradiation processing, spoke to nano-graphene under 60 DEG C of environment temperature
It is 120s according to processing total time, umber of exposures is 5 times, is divided into 10-12s between each radiation treatment；
(2) by weight, 20-25 parts and organic solvent 80-85 parts of the nano-graphene by above-mentioned after radiation treatment, oil
2-4 parts sour, 0.5-0.8 parts of oxidant, 3-5 parts of inorganic salts, it is at normal temperature that the nano-graphene after radiation treatment is uniform
It is distributed in organic solvent, oleic acid is then added and then oxidant stirs 30-35min with 1200r/min revolving speed, is heated to
78-80 DEG C, 10min is kept the temperature, inorganic salts are then added, with 2500r/min revolving speed stirring 2 hours, then is filtered, successively adopted
It is cleaned with dehydrated alcohol and deionized water to product is filtered, drying to constant weight, obtains pre- modified nano graphite alkene；
(3) pre- modified nano graphite alkene obtained above is uniformly mixed with ionic liquid by 1:3-5 mass ratio, is added to reaction
It in kettle, vacuumizes, is then heated to 156-158 DEG C, then add 2, the 5- bis- of pre- modified nano graphite alkene quality 1.2-1.5%
Methyl -2,5 di-t-butyl hexane peroxide, with 1800r/min revolving speed stirring 2 hours, then after cooled to room temperature, into
Row filters, and is successively cleaned using dehydrated alcohol and deionized water to product is filtered, and drying to constant weight, and it is modified to obtain ionic liquid
Graphene.
3. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as claimed in claim 2, which is characterized in that step
(1) ion beam mixing is made of following component by mass percentage: 78%H+、22%C+。
4. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as claimed in claim 2, which is characterized in that step
(1) the nano-graphene granularity described in is 80nm.
5. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as claimed in claim 2, which is characterized in that step
(2) organic solvent described in is toluene, any in carbon tetrachloride.
6. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as described in claim 1, which is characterized in that step
(2) oxidant described in is potassium hyperchlorate.
7. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as claimed in claim 2, which is characterized in that the nothing
Machine salt is aluminum sulfate.
8. a kind of ionic liquid modified graphene reinforced aluminum matrix composites as described in claim 1, which is characterized in that step
(3) ionic liquid is that 1- carboxymethyl -3- methylimidazole hexafluorophosphate and N- sulfonic acid butyl-pyridinium disulfate press 3:1 mass
Ratio is mixed.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150009112A (en) * | 2013-07-15 | 2015-01-26 | 한국전자통신연구원 | Method of manufacturing graphene-ionic liquid composites for electrode materials of supercapacitors |
| CN106521209A (en) * | 2016-11-10 | 2017-03-22 | 过冬 | Production method of graphene reinforced aluminum matrix composite materials |
| CN107189493A (en) * | 2017-04-10 | 2017-09-22 | 桂林理工大学 | A kind of preparation method of ion liquid modified graphene |
| CN108314027A (en) * | 2018-04-24 | 2018-07-24 | 盐城师范学院 | A kind of hydroxyl/epoxy group of high conductivity modifies the preparation method of transparent graphene conductive film outside |
-
2018
- 2018-08-29 CN CN201810991977.2A patent/CN108950285A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150009112A (en) * | 2013-07-15 | 2015-01-26 | 한국전자통신연구원 | Method of manufacturing graphene-ionic liquid composites for electrode materials of supercapacitors |
| CN106521209A (en) * | 2016-11-10 | 2017-03-22 | 过冬 | Production method of graphene reinforced aluminum matrix composite materials |
| CN107189493A (en) * | 2017-04-10 | 2017-09-22 | 桂林理工大学 | A kind of preparation method of ion liquid modified graphene |
| CN108314027A (en) * | 2018-04-24 | 2018-07-24 | 盐城师范学院 | A kind of hydroxyl/epoxy group of high conductivity modifies the preparation method of transparent graphene conductive film outside |
Non-Patent Citations (1)
| Title |
|---|
| 张科举 等: "氧化石墨烯的离子束辐照表面改性", 《材料导报B：研究篇》 * |
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