CN107017036B - A kind of high strength graphite alkene rare-earth aluminum alloy lead wire - Google Patents
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire Download PDFInfo
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- CN107017036B CN107017036B CN201710266987.5A CN201710266987A CN107017036B CN 107017036 B CN107017036 B CN 107017036B CN 201710266987 A CN201710266987 A CN 201710266987A CN 107017036 B CN107017036 B CN 107017036B
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- lead wire
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- graphite alkene
- graphene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
Abstract
The invention discloses a kind of high strength graphite alkene rare-earth aluminum alloy lead wires, the component of alloy matrix aluminum includes: Y:0.05-0.08%, Er:0.05-0.08%, Pr:0.01-0.03%, Cu:1-1.5%, Si:0.15-0.2%, Cr:0.15-0.25%, Ca:0.05-0.1%, Mn:0.15-0.25%, Fe:0.1-0.25%, Ni:0.15-0.2%, Zn:0.2-0.45%, Ti:0.08-0.15%, Sr:0.035-0.045%, Zr:0.07-0.12% by weight percent, remaining is Al.A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention has the mechanical properties such as good intensity, toughness, while having good high temperature resistant, impact resistance and electric conductivity.
Description
Technical field
The present invention relates to technical field of metal material more particularly to a kind of high strength graphite alkene rare-earth aluminum alloy lead wires.
Background technique
Aluminium alloy obtains extensively since, intensity small with density are big and processing performance is good in fields such as Aeronautics and Astronautics, buildings
General application.Reserves of the aluminium in the earth's crust are extremely abundant, account for about 7.45% or so of earth's crust gross mass, content comes oxygen element, silicon
After element, third is occupied.The intensity and electric conductivity of conventional aluminium alloy conductor is not high, limits its in the line extensive
It uses.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of high strength graphite alkene rare earth aluminium alloys to lead
Line, formula rationally, have the mechanical properties such as good intensity, toughness, while having good high temperature resistant, impact resistance and leading
Electrically.
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, including alloy matrix aluminum and graphene, aluminium
The component of alloy substrate include: by weight percent Y:0.05-0.08%, Er:0.05-0.08%, Pr:0.01-0.03%,
Cu:1-1.5%, Si:0.15-0.2%, Cr:0.15-0.25%, Ca:0.05-0.1%, Mn:0.15-0.25%, Fe:0.1-
0.25%, Ni:0.15-0.2%, Zn:0.2-0.45%, Ti:0.08-0.15%, Sr:0.035-0.045%, Zr:0.07-
0.12%, remaining is Al.
In specific embodiment, the mass percent of Y can also for 0.055%, 0.06%, 0.065%, 0.07%,
The mass percent of 0.075%, Er can also be the quality of 0.055%, 0.06%, 0.065%, 0.07%, 0.075%, Pr
Percentage can also be 0.015%, 0.02%, 0.025%, the mass percent of 0.028%, Cu can also be 1.1%,
1.15%, 1.2%, 1.25%, 1.3%, 1.35%, 1.4%, the mass percent of 1.45%, Si can also for 0.16%,
0.17%, 0.18%, the mass percent of 0.185%, Cr can also for 0.17%, 0.19%, 0.2%, 0.22%,
The mass percent of 0.24%, Ca can also be the matter of 0.055%, 0.06%, 0.065%, 0.7%, 0.8%, 0.9%, Mn
Measure percentage can also for 0.18%, 0.2%, 0.21%, 0.22%, 0.23%, the mass percent of 0.24%, Fe can be with
For 0.12%, 0.15%, 0.18%, 0.2%, 0.22%, the mass percent of 0.24%, Ni can also be 0.16%,
0.17%, 0.175%, 0.18%, the mass percent of 0.19%, Zn can also for 0.22%, 0.25%, 0.28%,
0.3%, 0.35%, 0.4%, the mass percent of 0.42%, Ti can also for 0.1%, 0.11%, 0.12%, 0.13%,
The mass percent of 0.14%, Sr can also for 0.038%, 0.04%, 0.042%, the mass percent of 0.044%, Zr also
It can be 0.08%, 0.09%, 0.1%, 0.11%, surplus Al.
Preferably, content of the graphene in high strength graphite alkene rare-earth aluminum alloy lead wire is 0.3-0.8%.
Preferably, in the component of alloy matrix aluminum, the mass percent of Y, Er, Pr meet following relational expression: 0.14%≤Y
+ Er+Pr≤0.16%.
Preferably, in the component of alloy matrix aluminum, the mass percent of Si, Ca, Sr meet following relational expression: 0.2%≤
0.6 × Si+Ca+Sr≤0.235%.
Preferably, in the component of alloy matrix aluminum, the mass percent of Mn, Ti, Zr meet following relational expression: 0.36%≤
Mn+Ti+Zr≤0.46%.
Preferably, graphene is prepared according to following technique: natural graphite and dense sulphur being added in liquor potassic permanganate
Acid reacts at 18-25 DEG C, obtains graphene oxide solution；Graphene oxide solution is added in deionized water, is warming up to
80-90 DEG C, manganese oxide, washing is removed, then mix with deionized water, is ultrasonically treated, excess sulfuric acid zinc-aluminum sulfate solution is added,
It is sufficiently stirred, adds sodium citrate, wash, drying obtains graphene.
Preferably, graphene is prepared according to following technique: being added in 40-50 parts of liquor potassic permanganates by weight
10-15 parts of natural graphites and the 5-6 parts of concentrated sulfuric acids, react 2-3h at 18-25 DEG C, obtain graphene oxide solution；At 20-30 parts
20-30 parts of graphene oxide solutions are added in deionized water, are warming up to 80-90 DEG C, react 40-60min, remove manganese oxide, use
Deionized water is washed 3-4 times, then is mixed with deionized water, and 80-100min is ultrasonically treated, and it is molten that excess sulfuric acid zinc-aluminum sulfate is added
Liquid is sufficiently stirred, and adds 8-10 parts of sodium citrates, reacts 60-80min, washs, and drying obtains graphene.
Preferably, the granularity of natural graphite is 250-300 mesh, and carbon content >=99% is fixed in natural graphite.
Preferably, concentration >=99.6% of potassium permanganate, concentration >=96.5% of the concentrated sulfuric acid.
Preferably, in zinc sulfate-aluminum sulfate solution, sulfuric acid zinc concentration is 0.05-0.08mol/L, the concentration of aluminum sulfate
For 0.15-0.2mol/L.
The present invention is made using common process.
The present invention is in the preparation process to graphene, by the way that reaction condition is rationally arranged, so that the reunion journey of graphene
Degree is preferably minimized, and excess sulfuric acid zinc-aluminum sulfate solution is added, and the zinc ion and aluminium ion in zinc sulfate, aluminum sulfate are reduced to
Simple substance zinc, zinc oxide and pure aluminum, alumina adsorption improve the density of graphene on graphene, while being attached to simple substance
Zinc, zinc oxide, pure aluminum, the graphene of alumina particle and alloy matrix aluminum wetability be also greatly improved, closed with aluminium
Auri body is well combined, and greatly improves intensity, toughness, inoxidizability, corrosion resistance, heat-resisting quantity and the conduction of aluminium alloy conductor
Property；The present invention passes through in alloy matrix aluminum is added Mn, Ti and Zr, and controls its content in alloy matrix aluminum, closes in aluminium
MnAl is formed in golden conducting wire6Phase, Al3Ti phase and Al3Zr phase, Dispersed precipitate is in aluminium alloy conductor, each hardening constituent homogeneous precipitation,
Solution strengthening and ageing strengthening effect are played, while having refined the institutional framework of aluminium alloy conductor, and energy dissolved impurity iron, is reduced
Fe improves the tensile strength, yield strength, corrosion resistance, hot-working of aluminium alloy conductor to the adverse effect of aluminium alloy conductor
Property, resistance to pressure and electric conductivity；Si, Ca and Sr cooperation, and the mass percent of Si, Ca, Sr is made to meet 0.2%≤0.6 × Si+Ca
+ Sr≤0.235% can effectively reduce primary silicon particle size, and the mechanical property, corrosion resistance, heat for improving aluminium alloy conductor add
Work performance, impact resistance and electric conductivity cooperate with Y, Er, Pr, enable aluminum alloy to constitutional supercooling when conducting wire founding, and aluminium alloy is prevented to lead
Line recrystallization, improves aluminium alloy conductor recrystallization temperature, and can significantly refine recrystal grain, reduces secondary intergranular away from raising
The consistency of aluminium alloy conductor cooperates with graphene, and graphene and alloy matrix aluminum form good combination interface, hinders to combine
Dislocation movement and crack propagation in the loading process of interface, reduce the gas in aluminium alloy conductor and are mingled with, further refinement crystalline substance
Grain, improves the consistency of aluminium alloy conductor, and constituent phases is promoted to tend to nodularization, while reducing the surface tension of aluminum alloy melt, increases
The mobility for adding aluminum alloy melt improves the hot-working character of aluminium alloy conductor, Si, Ca, Sr, Y, Er, Pr and graphene cooperation, into
One step improves the performance of aluminium alloy conductor, and toughness and the reduction aluminium alloy conductor stress corrosion cracking for improving aluminium alloy conductor are quick
Perception, while intensity, hardness, heat-resisting quantity, corrosion resistance, wear-resisting property and the electric conductivity of aluminium alloy conductor are significantly improved, prolong
The service life of aluminium alloy conductor is grown.A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, formula close
Reason has the mechanical properties such as good intensity, toughness, while having good high temperature resistant, impact resistance and electric conductivity.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, including alloy matrix aluminum and graphene, aluminium
The component of alloy substrate includes: Y:0.05%, Er:0.08%, Pr:0.01%, Cu:1.5%, Si by weight percent:
0.15%, Cr:0.25%, Ca:0.1%, Mn:0.15%, Fe:0.1%, Ni:0.2%, Zn:0.2%, Ti:0.15%, Sr:
0.035%, Zr:0.12%, remaining is Al；Content of the graphene in high strength graphite alkene rare-earth aluminum alloy lead wire is 0.4%.
Embodiment 2
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, including alloy matrix aluminum and graphene, aluminium
The component of alloy substrate include: by weight percent Y:0.08%, Er:0.05%, Pr:0.03%, Cu:1%, Si:0.2%,
Cr:0.15%, Ca:0.05%, Mn:0.25%, Fe:0.25%, Ni:0.15%, Zn:0.45%, Ti:0.08%, Sr:
0.045%, Zr:0.07%, remaining is Al.
Wherein, content of the graphene in high strength graphite alkene rare-earth aluminum alloy lead wire is 0.3%；
Graphene is prepared according to following technique: natural graphite and the concentrated sulfuric acid being added in liquor potassic permanganate, 18
It is reacted at DEG C, obtains graphene oxide solution；Graphene oxide solution is added in deionized water, is warming up to 85 DEG C, except deoxidation
Change manganese, washing, then mixed with deionized water, is ultrasonically treated, excess sulfuric acid zinc-aluminum sulfate solution is added, is sufficiently stirred, adds
Sodium citrate washs, and drying obtains graphene.
Embodiment 3
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, including alloy matrix aluminum and graphene, aluminium
The component of alloy substrate includes: Y:0.065%, Er:0.07%, Pr:0.02%, Cu:1.25%, Si by weight percent:
0.18%, Cr:0.21%, Ca:0.08%, Mn:0.2%, Fe:0.19%, Ni:0.175%, Zn:0.32%, Ti:0.11%,
Sr:0.04%, Zr:0.09%, remaining is Al.
Wherein, content of the graphene in high strength graphite alkene rare-earth aluminum alloy lead wire is 0.8%；
Graphene is prepared according to following technique: 10 parts of natural stones being added by weight in 40 parts of liquor potassic permanganates
Ink and 5 parts of concentrated sulfuric acids, react 2h at 25 DEG C, obtain graphene oxide solution；20 parts of oxidations are added in 20 parts of deionized waters
Graphene solution is warming up to 90 DEG C, reacts 40min, removes manganese oxide, is washed with deionized 4 times, then mixed with deionized water
It closes, is ultrasonically treated 100min, excess sulfuric acid zinc-aluminum sulfate solution is added, is sufficiently stirred, adds 8 parts of sodium citrates, react
60min is washed, and drying obtains graphene；Wherein, the granularity of natural graphite is 250 mesh, and carbon content is fixed in natural graphite
It is 99%, the concentration of potassium permanganate is 99.6%, and the concentration of the concentrated sulfuric acid is 96.5%, in zinc sulfate-aluminum sulfate solution, zinc sulfate
Concentration be 0.05mol/L, the concentration of aluminum sulfate is 0.15mol/L.
Embodiment 4
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, including alloy matrix aluminum and graphene, aluminium
The component of alloy substrate includes: Y:0.06%, Er:0.07%, Pr:0.015%, Cu:1.15%, Si by weight percent:
0.185%, Cr:0.175%, Ca:0.085%, Mn:0.175%, Fe:0.225%, Ni:0.165%, Zn:0.42%, Ti:
0.1%, Sr:0.038%, Zr:0.085%, remaining is Al.
Wherein, content of the graphene in high strength graphite alkene rare-earth aluminum alloy lead wire is 0.5%；
Graphene is prepared according to following technique: 15 parts of natural stones being added by weight in 50 parts of liquor potassic permanganates
Ink and 6 parts of concentrated sulfuric acids, react 3h at 18 DEG C, obtain graphene oxide solution；30 parts of oxidations are added in 30 parts of deionized waters
Graphene solution is warming up to 80 DEG C, reacts 60min, removes manganese oxide, is washed with deionized 3 times, then mixed with deionized water
It closes, is ultrasonically treated 80min, excess sulfuric acid zinc-aluminum sulfate solution is added, is sufficiently stirred, adds 10 parts of sodium citrates, react
80min is washed, and drying obtains graphene；Wherein, the granularity of natural graphite is 300 mesh, and carbon content is fixed in natural graphite
It is 99.5%, the concentration of potassium permanganate is 99.8%, and the concentration of the concentrated sulfuric acid is 97%, in zinc sulfate-aluminum sulfate solution, zinc sulfate
Concentration be 0.08mol/L, the concentration of aluminum sulfate is 0.2mol/L.
Embodiment 5
A kind of high strength graphite alkene rare-earth aluminum alloy lead wire proposed by the present invention, including alloy matrix aluminum and graphene, aluminium
The component of alloy substrate includes: Y:0.07%, Er:0.06%, Pr:0.025%, Cu:1.45%, Si by weight percent:
0.17%, Cr:0.23%, Ca:0.065%, Mn:0.22%, Fe:0.135%, Ni:0.185%, Zn:0.22%, Ti:
0.135%, Sr:0.042%, Zr:0.1%, remaining is Al.
Wherein, content of the graphene in high strength graphite alkene rare-earth aluminum alloy lead wire is 0.3-0.8%；
Graphene is prepared according to following technique: 12 parts of natural stones being added by weight in 45 parts of liquor potassic permanganates
Ink and 5.6 parts of concentrated sulfuric acids, react 2.5h at 20 DEG C, obtain graphene oxide solution；25 parts are added in 25 parts of deionized waters
Graphene oxide solution, is warming up to 85 DEG C, reacts 50min, removes manganese oxide, is washed with deionized 3 times, then with deionized water
Mixing is ultrasonically treated 90min, and excess sulfuric acid zinc-aluminum sulfate solution is added, is sufficiently stirred, adds 9 parts of sodium citrates, reacts
70min is washed, and drying obtains graphene；Wherein, the granularity of natural graphite is 270 mesh, and carbon content is fixed in natural graphite
It is 99.8%, the concentration of potassium permanganate is 99.6%, and the concentration of the concentrated sulfuric acid is 97.5%, in zinc sulfate-aluminum sulfate solution, sulfuric acid
Zinc concentration is 0.06mol/L, and the concentration of aluminum sulfate is 0.18mol/L.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of high strength graphite alkene rare-earth aluminum alloy lead wire, which is characterized in that including alloy matrix aluminum and graphene, aluminium alloy
The component of matrix includes: Y:0.05-0.08%, Er:0.05-0.08%, Pr:0.01-0.03%, Cu:1- by weight percent
1.5%, Si:0.15-0.2%, Cr:0.15-0.25%, Ca:0.05-0.1%, Mn:0.15-0.25%, Fe:0.1-
0.25%, Ni:0.15-0.2%, Zn:0.2-0.45%, Ti:0.08-0.15%, Sr:0.035-0.045%, Zr:0.07-
0.12%, surplus Al；Graphene is prepared according to following technique: natural graphite and dense sulphur being added in liquor potassic permanganate
Acid reacts at 18-25 DEG C, obtains graphene oxide solution；Graphene oxide solution is added in deionized water, is warming up to
80-90 DEG C, manganese oxide, washing is removed, then mix with deionized water, is ultrasonically treated, excess sulfuric acid zinc-aluminum sulfate solution is added,
It is sufficiently stirred, adds sodium citrate, wash, drying obtains graphene.
2. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 1, which is characterized in that graphene is in high-intensitive stone
Content in black alkene rare-earth aluminum alloy lead wire is 0.3-0.8%.
3. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 1, which is characterized in that the component of alloy matrix aluminum
In, the mass percent of Y, Er, Pr meet following relational expression: 0.14%≤Y+Er+Pr≤0.16%.
4. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 1, which is characterized in that the component of alloy matrix aluminum
In, the mass percent of Si, Ca, Sr meet following relational expression: 0.2%≤0.6 × Si+Ca+Sr≤0.235%.
5. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 1, which is characterized in that the component of alloy matrix aluminum
In, the mass percent of Mn, Ti, Zr meet following relational expression: 0.36%≤Mn+Ti+Zr≤0.46%.
6. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 1, which is characterized in that graphene is according to following work
It is prepared by skill: 10-15 parts of natural graphites and the 5-6 parts of concentrated sulfuric acids are added by weight in 40-50 parts of liquor potassic permanganates,
2-3h is reacted at 18-25 DEG C, obtains graphene oxide solution；20-30 parts of graphene oxides are added in 20-30 parts of deionized waters
Solution is warming up to 80-90 DEG C, reacts 40-60min, removes manganese oxide, is washed with deionized 3-4 times, then mixed with deionized water
It closes, is ultrasonically treated 80-100min, excess sulfuric acid zinc-aluminum sulfate solution is added, is sufficiently stirred, adds 8-10 parts of sodium citrates,
60-80min is reacted, is washed, drying obtains graphene.
7. high strength graphite alkene rare-earth aluminum alloy lead wire described in -6 any one according to claim 1, which is characterized in that natural stone
The granularity of ink is 250-300 mesh, and carbon content >=99% is fixed in natural graphite.
8. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 7, which is characterized in that the concentration of potassium permanganate >=
99.6%, concentration >=96.5% of the concentrated sulfuric acid.
9. high strength graphite alkene rare-earth aluminum alloy lead wire according to claim 7, which is characterized in that zinc sulfate-aluminum sulfate is molten
In liquid, sulfuric acid zinc concentration is 0.05-0.08mol/L, and the concentration of aluminum sulfate is 0.15-0.2mol/L.
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|---|---|---|---|---|
| CN103045915A (en) * | 2012-12-14 | 2013-04-17 | 国网智能电网研究院 | High conductivity moderately strong heat-resistant aluminum alloy monofilament and preparation method thereof |
| CN103103388A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Cr-RE aluminium alloy, preparation method thereof and power cable |
| CN105112700A (en) * | 2015-06-25 | 2015-12-02 | 中国航空工业集团公司北京航空材料研究院 | Graphene/aluminum composite material |
| CN105293476A (en) * | 2015-11-16 | 2016-02-03 | 复旦大学 | Preparation method of large-size graphene oxide or graphene |
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- 2017-04-21 CN CN201710266987.5A patent/CN107017036B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103388A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Cr-RE aluminium alloy, preparation method thereof and power cable |
| CN103045915A (en) * | 2012-12-14 | 2013-04-17 | 国网智能电网研究院 | High conductivity moderately strong heat-resistant aluminum alloy monofilament and preparation method thereof |
| CN105112700A (en) * | 2015-06-25 | 2015-12-02 | 中国航空工业集团公司北京航空材料研究院 | Graphene/aluminum composite material |
| CN105293476A (en) * | 2015-11-16 | 2016-02-03 | 复旦大学 | Preparation method of large-size graphene oxide or graphene |
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