CN107538016A - A kind of method for the interface wellability for improving graphene and fine aluminium - Google Patents
A kind of method for the interface wellability for improving graphene and fine aluminium Download PDFInfo
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- CN107538016A CN107538016A CN201710630466.3A CN201710630466A CN107538016A CN 107538016 A CN107538016 A CN 107538016A CN 201710630466 A CN201710630466 A CN 201710630466A CN 107538016 A CN107538016 A CN 107538016A
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Abstract
The present invention relates to a kind of method for the interface wellability for improving graphene and fine aluminium, step are as follows：(1) preparation of Cu graphenes heteromers：Gerhardite, glucose and sodium chloride are well mixed in deionized water, well mixed solution is placed in 48h in 20 DEG C of environment, using Freeze Drying Technique, obtain precursor powder, utilize chemical vapor deposition, calcining reduction, then sodium chloride template is washed with deionized water and obtains Cu graphene heteromers.(2) the interface infiltration of Cu graphene/aluminums base composite powder：By the Cu graphenes heteromers of acquisition and pure aluminium powder according to mass ratio 1:Inserted after 10 ratio mixing in tube furnace, using argon gas as protective atmosphere, rise to 700 DEG C with 10 DEG C of heating rates per minute, be incubated 2 hours, cooled with 5 DEG C of speed programs per minute, Cu graphene/aluminum composite powders are made.
Description
Technical field：
The present invention relates to a kind of method that can improve fine aluminium and graphene interface wellability, belongs to PM technique neck
Domain.
Background technology：
Aluminium has higher mechanical property, specific strength, is widely used in always each in the life such as building, aircraft, automobile
Individual field.As requirement of the modern science and technology to structural material improves constantly, simple alumina-base material is difficult to meet modern industry
For the application requirement of high-strength light, graphene reinforced aluminum matrix composites are a kind of ideal materials for realizing these requirements.
Graphene has higher mechanical property, single layer of carbon atom as the enhancing phase gradually to attract attention in the last few years
Graphene be the stiff materials the most found so far.Research at present for graphene reinforced aluminum matrix composites is main
It is by graphene and aluminium mixing high-energy ball milling, is molded into block materials, the destruction of the process of this high-energy ball milling for graphene
Than more serious, the enhancing effect of graphene is seriously reduced, and due to the nonwetting characteristic of graphene and aluminum substrate, cause most
The interface bond strength of whole composite is weaker, and interface load transmission is less efficient, and this is graphene enhancing aluminum-base composite material
Expect the bottleneck place run into, how to keep realizing good scattered and strong clean boundary on the basis of graphene-structured is complete
It is the focus studied at present that face, which combines,.
The content of the invention：
It is an object of the invention to provide a kind of method for improving interface wellability between graphene and fine aluminium, aluminium base is realized
The raising of mechanics performance.To achieve the above object, the present invention is to be realized by the following technical programs,
A kind of method for the interface wellability for improving graphene and fine aluminium, step are as follows：
(1) preparation of Cu- graphenes heteromers：By Gerhardite, glucose and sodium chloride according to (1~3)：(1~
5)：The quality proportioning of (40~60) is well mixed in deionized water, and well mixed solution is placed in -20 DEG C of environment
48h, using Freeze Drying Technique, precursor powder is obtained, using chemical vapor deposition, calcining reduction, then is washed with deionized water
Sodium chloride template is gone to obtain Cu- graphene heteromers.
(2) the interface infiltration of Cu- graphene/aluminums base composite powder：The Cu- graphenes heteromers of acquisition are pressed with pure aluminium powder
According to mass ratio 1:Inserted after 10 ratio mixing in tube furnace, using argon gas as protective atmosphere, with 10 DEG C of heatings per minute
Speed rises to 700 DEG C, is incubated 2 hours, is cooled with 5 DEG C of speed programs per minute, Cu- graphene/aluminum composite powders are made.
This method is prepared for Cu- graphenes heteromers/Al composites using salt template and tube annealing, utilizes stone
The copper metal nano particle that is loaded on black alkene and aluminium base precursor reactant generation intermetallic compound with improve in recombination process aluminium with
Non-wetted present situation between carbon, interfacial bonding property is improved, and realize the reinforcing to aluminum substrate, existed for high-strength light aluminium
Application in structural material has preferable prospect.
Brief description of the drawings：
Fig. 1 is the XRD photos of Cu- graphenes/Al composites obtained by the embodiment of the present invention 1,2,3.
Fig. 2 is the Cu- graphene heteromers scanned photographs obtained by the embodiment of the present invention 3.
Fig. 3 is the scanned photograph of Cu- graphenes/Al composites obtained by the embodiment of the present invention 1.
Fig. 4 is the scanned photograph of Cu- graphenes/Al composites obtained by the embodiment of the present invention 2.
Fig. 5 is the scanned photograph of Cu- graphenes/Al composites obtained by the embodiment of the present invention 3.
Fig. 6 is that the aluminium carbon interface transmission plane of Cu- graphenes/Al composites obtained by the embodiment of the present invention 3 sweeps photo,
A figures are original transmission shape appearance figure, and b, c, d, e are respectively the distribution diagram of element of carbon, oxygen, aluminium, copper.
Embodiment：
The present invention is further illustrated with reference to specific embodiment, is not intended to limit the present invention.
Embodiment 1
(1) that 1.2g Gerhardites, 2.05g glucose, 40g sodium chloride are placed in into magnetic agitation 6 in deionized water is small
When, the mixed solution of gained is placed in 48h in refrigerator, the solution for freezing real is placed in freeze drier and is freeze-dried 24h, is obtained
Presoma composite powder；The presoma composite powder of gained is placed in 750 DEG C, calcining 2 hours, last water are reduced in argon nitrogen atmosphere
Wash:Remove sodium chloride and obtain Cu- graphene heteromers, as shown in Figure 1.
(2) by the Cu- graphenes heteromers and fine aluminium of gained according to 1：10 ratio mixing, is placed in tube furnace, is filled with
Argon gas and hydrogen are as protective atmosphere.Pass through 600 DEG C in tube furnace, be incubated within 2 hours, obtain Cu- graphenes/Al composite wood
Material.
(3) composite of gained is characterized by XRD, SEM, analyzes its interfacial product.Its XRD material phase analysis figure is as schemed
Shown in 1, its scanning figure is as shown in Figure 3.
The prepared Cu- graphenes/Al composites of this experiment generate without interfacial product.
Embodiment 2
(1) that 1.2g Nickelous nitrate hexahydrates, 2.05g glucose, 40g sodium chloride are placed in into magnetic agitation 6 in deionized water is small
When, the mixed solution of gained is placed in 48h in refrigerator, the solution for freezing real is placed in freeze drier and is freeze-dried 24h, is obtained
Presoma composite powder；The presoma composite powder of gained is placed in 750 DEG C, calcining 2 hours, last water are reduced in argon nitrogen atmosphere
Wash:Remove sodium chloride and obtain Cu- graphene heteromers, as shown in Figure 1.
(2) by the Cu- graphenes heteromers and fine aluminium of gained according to 1：10 ratio mixing, is placed in tube furnace, is filled with
Argon gas and hydrogen are as protective atmosphere.Pass through 650 DEG C in tube furnace, be incubated within 2 hours, obtain Cu- graphenes/Al composite wood
Material.
(3) composite of gained is characterized by XRD, SEM, analyzes its interfacial product.Its XRD material phase analysis figure is as schemed
Shown in 1, its scanning figure is as shown in Figure 4.
The prepared Cu- graphenes/Al composite powders of this experiment generate without interfacial product.
Embodiment 3
(1) 2g Gerhardites, 4g glucose, 60g sodium chloride are placed in magnetic agitation 6 hours in deionized water, will
The mixed solution of gained is placed in 48h in refrigerator, and the solution for freezing real is placed in freeze drier and is freeze-dried 24h, obtains forerunner
Bluk recombination powder；The presoma composite powder of gained is placed in 750 DEG C, calcining 2 hours is reduced in argon nitrogen atmosphere, finally washes:
Remove sodium chloride and obtain Cu- graphene heteromers, as shown in Figure 1.
(2) by the Cu- graphenes heteromers and fine aluminium of gained according to 1：10 ratio mixing, is placed in tube furnace, is filled with
Argon gas and hydrogen are as protective atmosphere.Pass through 700 DEG C in tube furnace, be incubated within 2 hours, obtain Cu- graphenes/Al composite powder
End.
(3) composite powder of gained is characterized by XRD, SEM, STEM, analyzes its interfacial product.Its XRD material phase analysis
Scheme as shown in Fig. 2 its scanning figure is as shown in figure 5, tem analysis figure is as shown in Figure 6.
Cu- graphenes/Al composites prepared by the present invention have interfacial product Al2Cu is generated, and is improved between aluminium carbon
Interface wellability, form preferable interface cohesion.
Claims (1)
1. a kind of method for the interface wellability for improving graphene and fine aluminium, step are as follows：
(1) preparation of Cu- graphenes heteromers：By Gerhardite, glucose and sodium chloride according to (1~3)：(1~5)：
The quality proportioning of (40~60) is well mixed in deionized water, and well mixed solution is placed in into 48h in -20 DEG C of environment,
Using Freeze Drying Technique, precursor powder is obtained, using chemical vapor deposition, calcining reduction, then dechlorination is washed with deionized water
Change sodium template and obtain Cu- graphene heteromers.
(2) the interface infiltration of Cu- graphene/aluminums base composite powder：By the Cu- graphenes heteromers of acquisition and pure aluminium powder according to matter
Measure ratio 1:Inserted after 10 ratio mixing in tube furnace, using argon gas as protective atmosphere, with 10 DEG C of heating rates per minute
700 DEG C are risen to, is incubated 2 hours, is cooled with 5 DEG C of speed programs per minute, Cu- graphene/aluminum composite powders is made.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022868A (en) * | 2018-07-15 | 2018-12-18 | 天津大学 | Preparation method for in-situ synthesis of Cu-graphene heteromer reinforced aluminum-based composite material |
| CN109128149A (en) * | 2018-08-22 | 2019-01-04 | 天津大学 | The method for preparing three-dimensional carbon nanomaterial in aluminium powder surface in situ using sodium chloride template |
| CN109534327A (en) * | 2019-01-28 | 2019-03-29 | 哈尔滨工业大学（威海） | A kind of preparation method of graphene |
| US11508664B2 (en) | 2019-04-30 | 2022-11-22 | Samsung Electronics Co., Ltd. | Interconnect structure including graphene-metal barrier and method of manufacturing the same |
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| CN106334790A (en) * | 2016-10-21 | 2017-01-18 | 天津大学 | Method for preparing graphene sheet loaded nickel reinforced aluminum composite through in-situ catalyzing of solid carbon source on aluminum powder surface |
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| CN101743337A (en) * | 2007-07-05 | 2010-06-16 | 住友精密工业株式会社 | Highly thermally conductive composite material |
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| CN106334790A (en) * | 2016-10-21 | 2017-01-18 | 天津大学 | Method for preparing graphene sheet loaded nickel reinforced aluminum composite through in-situ catalyzing of solid carbon source on aluminum powder surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109022868A (en) * | 2018-07-15 | 2018-12-18 | 天津大学 | Preparation method for in-situ synthesis of Cu-graphene heteromer reinforced aluminum-based composite material |
| CN109022868B (en) * | 2018-07-15 | 2020-07-03 | 天津大学 | Preparation method for in-situ synthesis of Cu-graphene heteromer reinforced aluminum-based composite material |
| CN109128149A (en) * | 2018-08-22 | 2019-01-04 | 天津大学 | The method for preparing three-dimensional carbon nanomaterial in aluminium powder surface in situ using sodium chloride template |
| CN109534327A (en) * | 2019-01-28 | 2019-03-29 | 哈尔滨工业大学（威海） | A kind of preparation method of graphene |
| US11508664B2 (en) | 2019-04-30 | 2022-11-22 | Samsung Electronics Co., Ltd. | Interconnect structure including graphene-metal barrier and method of manufacturing the same |
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