CN106834781A - A kind of graphene oxide enhancing magnesium base composite material and preparation method thereof - Google Patents
A kind of graphene oxide enhancing magnesium base composite material and preparation method thereof Download PDFInfo
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- CN106834781A CN106834781A CN201710056911.XA CN201710056911A CN106834781A CN 106834781 A CN106834781 A CN 106834781A CN 201710056911 A CN201710056911 A CN 201710056911A CN 106834781 A CN106834781 A CN 106834781A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 104
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000011777 magnesium Substances 0.000 title claims abstract description 96
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 96
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 86
- 239000002131 composite material Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 16
- 239000006185 dispersion Substances 0.000 claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 24
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 21
- 239000010439 graphite Substances 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 9
- 238000001192 hot extrusion Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000011084 recovery Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229910000861 Mg alloy Inorganic materials 0.000 description 10
- 230000021615 conjugation Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- -1 Graphite alkene Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
- B22F2003/208—Warm or hot extruding
Abstract
The invention provides a kind of graphene oxide enhancing magnesium base composite material and preparation method thereof, it is related to field of material technology.Comprise the following steps：Graphite oxide is carried out into ultrasonic wave decentralized processing, graphene oxide dispersion is obtained；Graphene oxide dispersion is mixed with solvent, magnesium chips, is then dried at 0.08~0.098MPa, 35~100 DEG C, obtain considering shape composite to be worth doing；Wherein, solvent is selected from one or more in alcohol, water, cetyl trimethylammonium bromide, and graphite oxide, solvent, the amount ratio of magnesium chips are 0.25~0.30g：200mL：89.60~89.80g；Bits shape composite is heated to 250~350 DEG C and 10~20min, re-compacted shaping is incubated.The graphene oxide enhancing preparation method process is simple of magnesium base composite material that the present invention is provided, low cost, magnesium scrap recovery utilization rate it is high.
Description
Technical field
The present invention relates to field of material technology, in particular to a kind of graphene oxide strengthen magnesium base composite material and
Its preparation method.
Background technology
With the extensive use of magnesium alloy, can be produced in the mechanical processing process of magnesium alloy and after magnesium alloy use a large amount of
Waste material, and the waste recovery of magnesium alloy is using the strategic emphasis for having become Magnesium Industry.Refining remelting is current magnesium alloy
The main method of waste recovery, but the method high cost, can produce pernicious gas, can also aggravate the pollution to environment, and magnesium
Alloy bits, the specific surface area of powder are aoxidized greatly, easily and scaling loss, and the rate of recovery is very low in reflow process is refined, in some instances it may even be possible to deposit
In the danger of combustion explosion, so the method for refining remelting is not suitable for returning for the magnesium chips (magnesium scrap) produced in machining process
Receive and utilize.In addition, magnesium alloy room-temperature mechanical property than relatively low, largely limits its popularization and application, therefore in the urgent need to
Selection is suitable and can improve the magnesium chips recovery method of the mechanical property of the alloy.
In terms of the mechanical property of magnesium alloy is improved, scientific research personnel from crystal grain refinement, improve the multi-angles such as alloying basis
Many trials are carried out, one of them is to be combined Graphene and magnesium alloy to prepare composite, and it takes full advantage of Graphene
Good intensity and hardness, achieves preferable achievement in terms of material mechanical performance raising.Result of study shows, appropriate graphite
The introducing of alkene can make the hardness and tensile property of material be improved significantly, in this way, extending research direction and the application of material
Field.So, in the prior art, main to process magnesium chips and Graphene by ball mill, prepared composite granule is sintered again, comes
Graphene oxide enhancing magnesium base composite material is prepared, to realize the mesh of the magnesium chips recovery method for obtaining improving material mechanical performance
's.But it is prepared using the method, is primarily present that Graphene is indefinite with the interfacing relationship of metallic matrix, Graphene is in metal
The unmanageable shortcoming of pattern and dispersing uniformity in matrix, has had a strong impact on graphene oxide enhancing magnesium base composite material
Property, and the method complex process, preparation cost are high, easily cause environmental pollution, and graphene oxide therein and magnesium chips
Conjugation is also poor.
The content of the invention
It is an object of the invention to provide the preparation method that a kind of graphene oxide strengthens magnesium base composite material, this making side
Method process is simple, low cost, magnesium scrap recovery utilization rate it is high.
Another object of the present invention is to provide a kind of graphene oxide enhancing magnesium base composite material, its combination property compared with
Good, graphene oxide might as well with the conjugation of magnesium chips.
The present invention is solved its technical problem and is realized using following technical scheme：
The preparation method that a kind of graphene oxide strengthens magnesium base composite material, comprises the following steps：
Graphite oxide is carried out into ultrasonic wave decentralized processing, graphene oxide dispersion is obtained；
Graphene oxide dispersion is mixed with solvent, magnesium chips, is then entered at 0.08~0.098MPa, 35~100 DEG C
Row drying, obtains considering shape composite to be worth doing；Wherein, solvent is selected from the one kind or many in alcohol, water, cetyl trimethylammonium bromide
Kind, graphite oxide, solvent, the amount ratio of magnesium chips are 0.25~0.30g：200mL：89.60~89.80g；
Bits shape composite is heated to 250~350 DEG C and 10~20min, re-compacted shaping is incubated.
Preferably, it is that will aoxidize stone when graphite oxide is carried out into ultrasonic wave decentralized processing in present pre-ferred embodiments
Mo Yushui is according to 0.25~0.30g：50~100mL amount ratio mixing, under 20~40KHz ultrasonic wave decentralized processing 10~
20min。
Preferably, in present pre-ferred embodiments, after graphene oxide dispersion is obtained, by graphene oxide
Before dispersion mixes with solvent, magnesium chips, also include：Graphene oxide dispersion is fitted into standby in sealing container.
Preferably, in present pre-ferred embodiments, graphene oxide dispersion is mixed with solvent, magnesium chips and is specially：
Graphene oxide dispersion is mixed with solvent, then 20~30min of ultrasonic wave decentralized processing under 20~40KHz, is mixed
Close treatment fluid；Magnesium chips is mixed with mixed treating liquid, after 3~10min of mechanical agitation under 20~40KHz ultrasonic wave decentralized processing
20~30min.
Preferably, in present pre-ferred embodiments, magnesium chips is the magnesium chips by being cleaned by ultrasonic, and ultrasonic cleaning includes：
It is cleaned by ultrasonic 10~20min under 20~40KHz.
Preferably, in present pre-ferred embodiments, will bits shape composite be heated to 250~350 DEG C and insulation 10~
20min, re-compacted shaping, specially：Bits shape composite is loaded into pressurizing unit, pressurizing unit is then heated to 250~
350 DEG C and 10~20min of insulation, recycle pressurizing unit compressing, obtain pressed compact.
Preferably, in present pre-ferred embodiments, after compressing, also include：Pressed compact is carried out hot extrusion and
Equal Channel Angular Pressing.
Preferably, in present pre-ferred embodiments, the extrusion ratio of hot extrusion is 24~26：1, the extruding of Equal Channel Angular Pressing
Two angles of cut are 90 degree, and extrusion speed is 0.5~0.6mm/s, and extruding passage is 1 passage.
Preferably, in present pre-ferred embodiments, alcohol is alcohol of the purity more than 99.9%.
In addition, a kind of graphene oxide enhancing magnesium base composite material, is to strengthen magnesium-based by above-mentioned graphene oxide to answer
The preparation method of condensation material is obtained.
Relative to prior art, the present invention includes following beneficial effect：The present invention be by graphene oxide dispersion with it is molten
Agent, magnesium chips combination drying, obtain the graphene oxide enhancing magnesium base composite material of graphene oxide cladding magnesium chips.Adopted with traditional
Composite granule is obtained with ball mill it is sintered again and prepare the method for graphene oxide magnesium base composite material and compare, the present invention is provided
Method process is simple, low cost, graphene oxide is high with magnesium chips conjugation, and the content of graphene oxide is also easily controlled
System, the few exposure of magnesium chips in atmosphere, in this way, just reducing the probability that magnesium chips is aoxidized, improves magnesium chips (magnesium scrap)
Recovery utilization rate, promote the sustainable development of magnesium industry.
Graphene oxide enhancing magnesium base composite material and commercially available magnesium alloy phase obtained in the preparation method that the present invention is provided
Than 20 DEG C of tensile strength improves more than 105%, and wear volume reduces more than 89%.
Brief description of the drawings
For clearer the explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the state sectional view extruded using pressurizing unit that the embodiment of the present invention three is provided.
Wherein, reference is summarized as follows：
Icon：100- pressurizing units；101- drifts；102- extrusion dies；103- sleeves；104- extrusion dies；105- is pressed
Base.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional product that can be obtained by commercially available purchase
Product.
Strengthening magnesium base composite material and preparation method thereof to the graphene oxide of the embodiment of the present invention below is carried out specifically
It is bright.
The preparation method of graphene oxide enhancing magnesium base composite material includes step S1：Graphite oxide is carried out into ultrasonic wavelength-division
Treatment is dissipated, graphene oxide dispersion is obtained.
It is according to 0.25~0.30g by graphite oxide and water when carrying out ultrasonic wave decentralized processing：The consumption of 50~100mL
Than mixing, 10~20min of ultrasonic wave decentralized processing under 20~40KHz, in this way, obtain individual layer or few layer contains a large amount of functions
The graphene oxide of group.Obtain after graphene oxide dispersion, graphene oxide dispersion can be fitted into sealing container
It is standby.In this way, before using graphene oxide dispersion, to prevent moisture evaporation therein.
The preparation method of graphene oxide enhancing magnesium base composite material also includes step S2：By graphene oxide dispersion with
Solvent, magnesium chips mixing, are then dried at 0.08~0.098MPa, 35~100 DEG C, obtain considering shape composite to be worth doing；Wherein,
Solvent is selected from one or more in alcohol, water, cetyl trimethylammonium bromide (CTAB), graphite oxide, solvent, magnesium chips
Amount ratio is 0.25~0.30g：200mL：89.60~89.80g.
Wherein, if solvent selects alcohol, alcohol is alcohol of the purity more than 99.9%, and preferably purity exists
More than 99.99% analysis alcohol.And magnesium chips is before the use, 10~20min can be first cleaned by ultrasonic under 20~40KHz,
To remove the impurity in magnesium chips, purer magnesium chips is obtained.
During operation, can be toward addition graphene oxide dispersion mixing in solvent, the then ultrasonic wavelength-division under 20~40KHz
20~30min for the treatment of is dissipated, graphene oxide is uniformly dispersed, obtain mixed treating liquid；Magnesium chips is added the mixed processing for obtaining
Mixed in liquid, after 3~10min of mechanical agitation under 20~40KHz 20~30min of ultrasonic wave decentralized processing, make magnesium chips with
Graphene oxide is well mixed, and layering and precipitating phenomenon is not produced.The macro surface pattern of magnesium chips can be observed under ESEM,
Magnesium chips outer surface is more bright, can substantially observe the vestige of cutter and magnesium chips friction, and inner surface is serrated, parallel crack
Bottom surface is extended to from surface and be evenly distributed.During ultrasonic wave decentralized processing, graphene oxide is in impact and and magnesium
The surfaces externally and internally of magnesium chips can be uniformly adhered under the collective effect for considering friction to be worth doing.In this way, increasing the conjugation of the two.
After graphene oxide dispersion is mixed with solvent, magnesium chips, the mixed solution for obtaining can be placed in vacuum drying box
In be dried, obtain consider to be worth doing shape composite.Now in bits shape composite the quality accounting of graphene oxide for 0.5~
0.7%.
The preparation method of graphene oxide enhancing magnesium base composite material also includes step S3：Bits shape composite is heated to
250~350 DEG C and 10~20min of insulation, re-compacted shaping.
Present invention also offers a kind of graphene oxide enhancing magnesium base composite material, increased by above-mentioned graphene oxide
The preparation method of strong magnesium base composite material is obtained.
Feature of the invention and performance are described in further detail with reference to embodiments：
Embodiment one
The preparation method that the graphene oxide that the present embodiment is provided strengthens magnesium base composite material, comprises the following steps：
S1：By graphite oxide and water according to 0.25g：The amount ratio mixing of 50mL, the ultrasonic wave decentralized processing under 20KHz
20min, obtains graphene oxide dispersion；
S2：Graphene oxide dispersion is mixed with CTAB, AZ80 magnesium chips, is then done at 0.08MPa, 35 DEG C
It is dry, obtain considering shape composite to be worth doing；Wherein, graphite oxide, the amount ratio of CTAB, AZ80 magnesium chips are 0.25g：200mL：89.60g；
S3：Bits shape composite is heated to 250 DEG C and is incubated 20min, re-compacted shaping.
The present embodiment additionally provides oxygen obtained in the preparation method for strengthening magnesium base composite material by above-mentioned graphene oxide
Graphite alkene strengthens magnesium base composite material.
Embodiment two
The preparation method that the graphene oxide that the present embodiment is provided strengthens magnesium base composite material, comprises the following steps：
S1：By graphite oxide and water according to 0.30g：The amount ratio mixing of 100mL, the ultrasonic wave decentralized processing under 40KHz
10min, obtains graphene oxide dispersion, and graphene oxide dispersion is fitted into standby in sealing container；
S2：AZ31 magnesium chips is cleaned by ultrasonic 10min under 40KHz；
The mixing of graphene oxide dispersion is added toward water, then the ultrasonic wave decentralized processing 20min under 40KHz, then added
Enter cleaning after AZ31 magnesium chips, after mechanical agitation 10min under 40KHz ultrasonic wave decentralized processing 20min, obtain mixed liquor, will
Mixed liquor is placed in 0.098MPa, dries at 100 DEG C, obtains considering shape composite to be worth doing；Wherein, graphite oxide, water, the use of AZ31 magnesium chips
Amount is than being 0.30g：200mL：89.80g；
S3：Bits shape composite is heated to 350 DEG C and is incubated 10min, re-compacted shaping.
The present embodiment additionally provides oxygen obtained in the preparation method for strengthening magnesium base composite material by above-mentioned graphene oxide
Graphite alkene strengthens magnesium base composite material.
Embodiment three
The preparation method that the graphene oxide that the present embodiment is provided strengthens magnesium base composite material, comprises the following steps：
S1：By graphite oxide and water according to 0.27g：The amount ratio mixing of 75mL, the ultrasonic wave decentralized processing under 30KHz
15min, obtains graphene oxide dispersion, and graphene oxide dispersion then is fitted into standby in sealing container；
S2：AZ31 magnesium chips is cleaned by ultrasonic 15min under 30KHz；
Toward 200mL purity be 99.99% analysis alcohol in add the graphene oxide dispersions that obtain of step S1, mix
Close, then the ultrasonic wave decentralized processing 30min under 30KHz, add the 89.73g AZ31 magnesium chips after cleaning, mechanical agitation
After 5min under 30KHz ultrasonic wave decentralized processing 30min, obtain mixed liquor, at mixed liquor is placed in into 0.087MPa, 50 DEG C do
It is dry, obtain 90g bits shape composites；
S3：As shown in figure 1, using pressurizing unit 100, pressurizing unit 100 includes drift 101, extrusion die 102, sleeve
103 and extrusion die 104, drift 101 is set in extrusion die 102, and is coordinated with the gap of extrusion die 102, extrusion die
102nd, extrusion die 104 is set in sleeve 103, and extrusion die 102 coordinates with the gap of sleeve 103, and extrusion die 102
It is arranged on extrusion die 104 (because pressurizing unit 100 is equipment commonly used in the art, will not be repeated here)；
The 90g bits shape composites that step S2 is obtained are fitted into extrusion die 102, then extrusion die 102 is loaded into set
In cylinder 103, drift 101 is fitted into extrusion die 102, the pressurizing unit 100 that will be assembled is heated to 350 DEG C, is then incubated
20min, then the pressurizing unit 100 after heating is put into extruder extrudes, extruder pressurizes to drift 101, by extrusion die
Bits shape composite compacting in 102, obtains the pressed compact 105 of Ф 36mm, and continuation carries out hot extrusion to pressed compact 105, and (extrusion ratio is
25：1) with Equal Channel Angular Pressing (two angles of cut are 90 degree, and extrusion speed is 0.5mm/s, and extruding passage is 1 passage), d7.2mm is obtained
Graphene oxide enhancing magnesium base composite material product.
In the present embodiment, after bits shape composite is loaded into pressurizing unit 100, then whole pressurizing unit 100 is added
Heat, can greatly reduce the heat rate of scattering and disappearing of bits shape composite, be obtained when bits shape composite is maintained at higher temperature
Extruding, in this way, being to ensure that the quality of the pressed compact 105 that compacting is obtained, it is to avoid pressed compact 105 such as cracks at the defect.In compacting
After pressed compact 105, hot extrusion and Equal Channel Angular Pressing are and then carried out, be both to take full advantage of heat, in turn simplify manufacture craft.
The present embodiment additionally provides oxygen obtained in the preparation method for strengthening magnesium base composite material by above-mentioned graphene oxide
Graphite alkene strengthens magnesium base composite material.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the preparation method that a kind of graphene oxide strengthens magnesium base composite material, it is characterised in that comprise the following steps：
Graphite oxide is carried out into ultrasonic wave decentralized processing, graphene oxide dispersion is obtained；
The graphene oxide dispersion is mixed with solvent, magnesium chips, is then entered at 0.08~0.098MPa, 35~100 DEG C
Row drying, obtains considering shape composite to be worth doing；Wherein, the solvent is selected from the one kind in alcohol, water, cetyl trimethylammonium bromide
Or it is various, the graphite oxide, the solvent, the amount ratio of the magnesium chips are 0.25~0.30g：200mL：89.60~
89.80g；
The bits shape composite is heated to 250~350 DEG C and 10~20min, re-compacted shaping is incubated.
2. the preparation method that graphene oxide according to claim 1 strengthens magnesium base composite material, it is characterised in that by oxygen
It is according to 0.25~0.30g by graphite oxide and water when graphite carries out ultrasonic wave decentralized processing：The amount ratio of 50~100mL
Mixing, 10~20min of ultrasonic wave decentralized processing under 20~40KHz.
3. the preparation method that graphene oxide according to claim 1 strengthens magnesium base composite material, it is characterised in that
To after graphene oxide dispersion, before the graphene oxide dispersion is mixed with solvent, magnesium chips, also include：Will
The graphene oxide dispersion is fitted into standby in sealing container.
4. the preparation method that graphene oxide according to claim 1 strengthens magnesium base composite material, it is characterised in that by institute
State graphene oxide dispersion and mix with solvent, magnesium chips and be specially：The graphene oxide dispersion is mixed with the solvent,
Then 20~30min of ultrasonic wave decentralized processing under 20~40KHz, obtains mixed treating liquid；The magnesium chips is mixed with described
Treatment fluid mix, after 3~10min of mechanical agitation under 20~40KHz 20~30min of ultrasonic wave decentralized processing.
5. the preparation method that graphene oxide according to claim 1 strengthens magnesium base composite material, it is characterised in that described
Magnesium chips is the magnesium chips by being cleaned by ultrasonic, and the ultrasonic cleaning includes：It is cleaned by ultrasonic 10~20min under 20~40KHz.
6. the preparation method that graphene oxide according to claim 1 strengthens magnesium base composite material, it is characterised in that by institute
State bits shape composite to be heated to 250~350 DEG C and be incubated 10~20min, re-compacted shaping, specially：The bits shape is answered
Condensation material loads pressurizing unit, and the pressurizing unit then is heated into 250~350 DEG C and 10~20min is incubated, and recycles institute
State pressurizing unit compressing, obtain pressed compact.
7. the preparation method that graphene oxide according to claim 6 strengthens magnesium base composite material, it is characterised in that in institute
State it is compressing after, also include：Hot extrusion and Equal Channel Angular Pressing are carried out to the pressed compact.
8. the preparation method that graphene oxide according to claim 7 strengthens magnesium base composite material, it is characterised in that described
The extrusion ratio of hot extrusion is 24~26：1, the angle of cut of extruding two of the Equal Channel Angular Pressing is 90 degree, extrusion speed for 0.5~
0.6mm/s, extruding passage is 1 passage.
9. the preparation method that graphene oxide according to claim 1 strengthens magnesium base composite material, it is characterised in that described
Alcohol is alcohol of the purity more than 99.9%.
10. a kind of graphene oxide strengthens magnesium base composite material, it is characterised in that by described in any one of claim 1~9
The preparation method of graphene oxide enhancing magnesium base composite material is obtained.
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| CN201710056911.XA CN106834781B (en) | 2017-01-22 | 2017-01-22 | A kind of graphene oxide enhancing magnesium-based composite material and preparation method thereof |
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| CN201710056911.XA CN106834781B (en) | 2017-01-22 | 2017-01-22 | A kind of graphene oxide enhancing magnesium-based composite material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604227A (en) * | 2017-09-19 | 2018-01-19 | 安徽恒利增材制造科技有限公司 | A kind of magnesium alloy ingot and preparation method thereof |
| CN107739940A (en) * | 2017-10-26 | 2018-02-27 | 中南大学 | A kind of Biological magnesium alloy with corrosion-resistant function and preparation method thereof |
| CN109666816A (en) * | 2019-02-02 | 2019-04-23 | 河北工业大学 | The preparation method of Carbon Nanotubes/Magnesiuum Matrix Composite |
| CN113524774A (en) * | 2021-07-19 | 2021-10-22 | 武汉理工大学 | Process for severe plastic deformation of powder substance |
| WO2023198836A1 (en) * | 2022-04-13 | 2023-10-19 | Soluterials Verwaltungs Und Verwertungs Ug | Light metal matrix composite material based on magnesium and method for producing same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103773988A (en) * | 2014-03-04 | 2014-05-07 | 哈尔滨工业大学 | Preparation method of graphene enhanced magnesium-based composite material |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103773988A (en) * | 2014-03-04 | 2014-05-07 | 哈尔滨工业大学 | Preparation method of graphene enhanced magnesium-based composite material |
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| 袁秋红等: "石墨烯增强AZ91镁基复合材料的力学性能", 《机械工程材料》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604227A (en) * | 2017-09-19 | 2018-01-19 | 安徽恒利增材制造科技有限公司 | A kind of magnesium alloy ingot and preparation method thereof |
| CN107739940A (en) * | 2017-10-26 | 2018-02-27 | 中南大学 | A kind of Biological magnesium alloy with corrosion-resistant function and preparation method thereof |
| CN107739940B (en) * | 2017-10-26 | 2019-04-30 | 中南大学 | A kind of Biological magnesium alloy and preparation method thereof with corrosion-resistant function |
| CN109666816A (en) * | 2019-02-02 | 2019-04-23 | 河北工业大学 | The preparation method of Carbon Nanotubes/Magnesiuum Matrix Composite |
| CN113524774A (en) * | 2021-07-19 | 2021-10-22 | 武汉理工大学 | Process for severe plastic deformation of powder substance |
| WO2023198836A1 (en) * | 2022-04-13 | 2023-10-19 | Soluterials Verwaltungs Und Verwertungs Ug | Light metal matrix composite material based on magnesium and method for producing same |
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|---|---|
| CN106834781B (en) | 2018-07-10 |
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