CN104178663B - For preparing aluminum-based alloy material of disintegrate pressure break ball and preparation method thereof - Google Patents
For preparing aluminum-based alloy material of disintegrate pressure break ball and preparation method thereof Download PDFInfo
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- CN104178663B CN104178663B CN201310202648.2A CN201310202648A CN104178663B CN 104178663 B CN104178663 B CN 104178663B CN 201310202648 A CN201310202648 A CN 201310202648A CN 104178663 B CN104178663 B CN 104178663B
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- 239000000956 alloy Substances 0.000 title claims abstract description 139
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 title abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 122
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- 229910052718 tin Inorganic materials 0.000 claims abstract description 10
- 229910052738 indium Inorganic materials 0.000 claims abstract description 9
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 8
- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 3
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 3
- 239000006104 solid solution Substances 0.000 claims abstract description 3
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 3
- 239000010949 copper Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 17
- 238000003723 Smelting Methods 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000005275 alloying Methods 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000007499 fusion processing Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 53
- 229910001868 water Inorganic materials 0.000 abstract description 53
- 229910052797 bismuth Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000846 In alloy Inorganic materials 0.000 description 2
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical compound O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
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- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention discloses a kind of aluminum-based alloy material for preparing disintegrate pressure break ball and preparation method thereof, this alloy is elementary composition by the strengthening Al alloy of the low-melting-point metal of Al, 1wt.%～15wt.% of 70wt.%～96wt.% and 1wt.%～20wt.%；Low-melting-point metal is Ga, In, Sn and Bi, and indispensable element during wherein Ga is alloy, alloy can add one or more in other low-melting-point metal In, Sn and Bi；Strengthening Al alloy element is Ti, Cu, Fe, Mg, Zn, Mn, Si one or more.The best of breed of low-melting-point metal is Ga, In and Sn tri-kinds, and weight ratio is: Ga:In:Sn=(1～90): (0.1～60): (0.1～60).Alloy mainly comprises Al solid solution and In3Sn is biphase.The pressure break ball prepared with alloy of the present invention has enough intensity in the water environment of high temperature and high pressure and can decompose voluntarily.Its price is low, pollution-free, and preparation technology is simple, can be prevented effectively from the difficult problem that plain ball runs in engineering uses.
Description
Technical field
The invention belongs to aluminum alloy materials preparation and field of petroleum exploitation, provide one to be used for preparing especially
Aluminum-based alloy material of disintegrate pressure break ball and preparation method thereof, involved disintegrate pressure break ball is mainly used in
The sealing of the pilot sand-blast packer of oil drilling, in order to stratum, pressure break multiple oil gas place respectively, increases
Add the single well productivity of oil.
Background technology
Mostly it is distributed in Different Strata due to oil, uses multiple fracturing technology simultaneously to multiple stratum
In oil carry out exploiting the single well productivity that not only can increase oil, and can also effectively prevent oil reservoir dirty
Dye, reduces the job execution time, reduces cost[1,2].Therefore, multiple fracturing technology is for oil gas field
Exploitation has great significance, and is widely used in the exploitation of domestic and international oil gas.Multiple fracturing technology
Typical process flow is: first, lower leaf pressing crack construction tubing string, throws common low-density steel ball, treats it
Pressurization set packer when dropping down onto setting ball seat.To testing seal about packer, testing is honored as a queen injects pressure by oil pipe
Split liquid work layer is constructed.After ground floor construction terminates, then throw steel ball and open the sand blast sliding sleeve of the second layer,
Fall after receiving and blocking packer on seat until sand blast sliding sleeve core and steel ball, reinject fracturing fluid to inverse
Second layer work layer is constructed.The most successively constructing, last oil pipe drives a well, and implements mixed layer row
Liquid.During liquid returns row, common low-density steel ball is difficult to, by liquid band flowline, produce oil
Amount affects.Therefore, engineering has certain restriction to steel ball density, and generally less than 2.4
gcm-3.If steel ball is stuck on setting ball seat in work progress, the waste plenty of time is drawn off,
Increase construction cost.If pressure break ball can decompose voluntarily will solve common low-density steel ball undoubtedly to construction
The difficult problem brought.It is capable of this purpose pressure break ball at present to be mainly made up of organic material[3].Due to
During pressing crack construction, the hydraulic pressure in oil pipe is close to 60MPa, and temperature is up to 170 DEG C, in order to improve pressure break ball
Intensity, have people that pressure break ball is made the composite that organic material and fiber and other material are constituted.Due to
This composite pressure break ball only could decompose in special etchant solution, and ball and associated erosion are molten
The price of liquid is the highest so that construction cost significantly improves.
List of references:
[1]. Zhang Wei, Zhang Huali, Li Shengfang, Zhou Jidong, mechanical delamination Fracturing Technology is in Jiangsu
The research in oil field and application, drilling technique, the 3l volume, the 2nd phase, page 48.
[2]. Diao Su, Zhu Liping, Huang Yuzhong, Liu Lin, Wang Xingwen, Yu Yi, fixed tubular column layering pressure
The technology of splitting application in low permeability gas field, natural gas technology and economy, 2011, the mat woven of fine bamboo strips volume 5, the 2nd
Phase, page 34.
[3].M.H.Naedler,P.L.Prosser,T.A.Goedrich,W.J.Costello,Patent,
Disintegrating Ball For Sealing Frac Plug Seat,Pub.No.:US2012/0181032A1.
Summary of the invention
In order to overcome common low-density steel ball not decompose voluntarily and organic composite pressure break ball is expensive
Deficiency, the invention provides a kind of aluminum-based alloy material for preparing disintegrate pressure break ball and preparation side thereof
Method.This acieral can react with water, and made pressure break ball is without special etchant solution, Yu Shui
In i.e. decomposable asymmetric choice net, be effectively prevented from the difficult problem that common low-density steel ball runs in engineering uses, simultaneously
Reduce construction cost and improve oil-producing efficiency.
The present invention specifically provides a kind of acieral for preparing disintegrate pressure break ball, it is characterised in that:
Described alloy is by the low-melting-point metal and 1 of Al, 1wt.%～the 15wt.% of 70wt.%～96wt.%
The strengthening Al alloy of wt.%～20wt.% elementary composition；
Low-melting-point metal is Ga, In, Sn and Bi, indispensable element, alloy during wherein Ga is alloy
One or more in other low-melting-point metal In, Sn and Bi can be added；The element of strengthening Al alloy
For one or more of Ti, Cu, Fe, Mg, Zn, Mn, Si.
In the technical scheme that the present invention provides, adding low-melting-point metal is to stop on Al grain surface
Form oxide-film, it is ensured that Al and water sustained response.Adding reinforced metal element is for solution strengthening
Al alloy, and put forward heavy alloyed fracture strength.In regulation alloy, low-melting-point metal and reinforced metal contains
Amount can control the response speed of Al and water, with the construction requirement of satisfied different operating modes.
Acieral for preparing disintegrate pressure break ball of the present invention, it is characterised in that: described eutectic
The most preferred group of some metal is combined into Ga, In and Sn, and its weight ratio is: Ga:In:Sn=(1～90):
(0.1～60): (0.1～30), preferably Ga:In:Sn=(50～90): (30～60): (20～40).
Acieral for preparing disintegrate pressure break ball of the present invention, it is characterised in that: described aluminum base
The composition proportion of alloy is preferably weight ratio Al:Ga:In:Sn:Mg:Si:Zn=(75～94): (2～8): (1～4):
(1～4): (1～10): (0.1～0.5): (0.1～0.5).
Acieral for preparing disintegrate pressure break ball of the present invention, it is characterised in that: described aluminum base
Alloy mainly comprises Al solid solution and In3Sn is biphase.
Present invention also offers described for preparing the preparation method of the acieral of disintegrate pressure break ball, its
It is characterised by, comprises the following steps:
(a), intermediate alloy AlxR1-xPreparation: according to alloying component weigh gold conjugate, wherein x=20wt.%
～70wt.%, R are low-melting-point metal；Alloy uses vacuum induction melting, and induction furnace vacuum is 1
×10-3～4 × 10-3Pa, smelting temperature is 750～900 DEG C, each smelting time is not less than 30 minutes；
In fusion process, liquid alloy uses electromagnetic agitating technology to be stirred, and treats alloy melting 10～30 points
Zhong Hou, under inert gas shielding atmosphere, is cast in water-cooled copper mold solidification by liquid alloy；
(b), the preparation of polynary Al alloy: by the intermediate alloy prepared, Al and the conjunction of strengthening Al
Gold element weighs gold conjugate according to alloying component, and alloy uses normal pressure resistance furnace melting, and smelting temperature is
750～900 DEG C, each smelting time be not less than 30 minutes, before melting alloy surface cover salt cover
Agent (preferably NaCl or KCl), after alloy is completely melt 10～30 minutes, casts liquid alloy
Solidify in water-cooled copper mold.
Acieral of the present invention may be used for preparing disintegrate pressure break ball, and this ball is at high temperature and high pressure
Water environment possesses enough intensity and can decompose voluntarily.After the construction of a certain formation breakdown terminates, should
Ball fragmentation also resolves into powder, loses sealing function, consequently facilitating the continuation running of engineering.
The acieral price that the present invention provides is low, pollution-free, and preparation technology is simple, uses this alloy
The pressure break ball made can be prevented effectively from the difficult problem that plain ball runs in engineering uses.
Accompanying drawing explanation
Fig. 1 al-rich alloy Al92.5(Ga3.6In1.8Sn0.6)6Zn1.5And Al87.8(Ga3.6In1.8Sn0.6)6Zn6Si0.2
At the aluminum-water reaction curve that water temperature is 50 DEG C；
Fig. 2 is al-rich alloy Al when water temperature is 50 DEG C85.5(Ga3In3Sn2)8Mg6Cu0.5With
Al84(Ga3In3Sn2)8Mg7Cu1Aluminum-water reaction curve.
Detailed description of the invention
Embodiment 1
By the mass ratio Al of alloy40(Ga36In18Sn6)60Accurately weigh each metal, use 25 kilograms of vacuum
Induction furnace melting alloy, vacuum is 4 × 10-3Pa, smelting temperature is 800 DEG C, each smelting time
It it is 30 minutes.Use electromagnetic agitating technology stirring liquid alloy 10 minutes.Under argon atmosphere,
Liquid alloy is cast in water-cooled copper mold solidification.By the mass ratio of alloy
Al92.5(Ga3.6In1.8Sn0.6)6Zn1.5Alloyage, alloy uses normal pressure resistance furnace melting, alloy before melting
Coverture NaCl in surface cover.Smelting temperature is 750 DEG C, and each smelting time is 30 minutes.Alloy
After being completely melt 10 minutes, liquid alloy is cast in water-cooled copper mold.
The response speed of alloy and water is measured: weighing 0.5g alloy sample, putting into water temperature is with drainage
Reacting in the tap water of 50 DEG C, water temperature water-bath control, metering produces the volume (test result of hydrogen
See Fig. 1).Because hydrogen is the result of Al-water reaction, for the ease of comparing alloy and water response speed
Speed, convert the measurement into 20 DEG C of pressure Unit Weights and the hydrogen volumes of time often, i.e.
The product hydrogen rate of alloy, the results are shown in Table 1.
Room-temperature yield strength: cutting cuboid dimensions is that the sample of 20mm × 20 × mm30mm is used for
The test of alloy mechanical property index.The room-temperature yield strength (table 1) of alloy is measured with mechanics machine.
Embodiment 2
Repeat the process of embodiment 1, first press the mass ratio Al of alloy40(Ga36In18Sn6)60Accurately weigh
Each metal prepares intermediate alloy, then weighs Al80Si20Alloy, prepares Al87.8(Ga3.6In1.8Sn0.6)6Zn6Si0.2
Alloy.When measuring water temperature 50 DEG C the response speed (scheming-1) of alloy and water and alloy yield strength (see
Table 1).This alloy is slack-off compared with the response speed of alloy in embodiment 1, but yield strength significantly improves.
Embodiment 3
Repeat the process of embodiment 1, first press the mass ratio Al of alloy40(Ga36In18Sn6)60Accurately weigh
Each metal prepares intermediate alloy, then weighs Al80Si20Alloy, prepares Al85(Ga3.6In1.8Sn0.6)6Zn8Si1
Alloy.Measure response speed and the yield strength (see Table 1) of alloy of water temperature alloy and water when being 50 DEG C.
Along with the increase of reinforced alloys constituent content, alloy is the most slack-off with the response speed of water, and surrenders
Intensity is also improved to some extent.
Embodiment 4
By the mass ratio Al of alloy30(Ga30In30Sn20)70Accurately weigh each metal, use 25Kg vacuum
Induction furnace melting alloy, vacuum is 1 × 10-3Pa, smelting temperature is 900 DEG C, each smelting time
It it is 30 minutes.Use electromagnetic agitating technology stirring liquid alloy ten minutes.Under argon atmosphere,
Liquid alloy is cast in water-cooled copper mold solidification.By the mass ratio of alloy
Al85.5(Ga3In3Sn2)8Mg6Cu0.5Alloyage, wherein Cu passes through intermediate alloy Al90Cu10Add.
Alloy uses normal pressure resistance furnace melting, and before melting, alloy surface covers coverture NaCl.Smelting temperature is
800 DEG C, each smelting time is 30 minutes.After alloy is completely melt 10 minutes, liquid alloy is watered
Cast onto in water-cooled copper mold and solidify, prepare Al85.5(Ga3In3Sn2)8Mg6Cu0.5Alloy.Measure water temperature
The response speed (figure-2) of alloy and water and the yield strength (see Table 1) of alloy when being 50 DEG C.This alloy
Relatively slow with the response speed of water, and yield strength is higher.
Embodiment 5
Repeat the process of embodiment 4, first press the mass ratio Al of alloy60(Ga15In15Sn10)40Accurately weigh
Each metal prepares intermediate alloy, then prepares Al84(Ga3In3Sn2)8Mg7Cu1Alloy.Measuring water temperature is 50
DEG C time the response speed (figure-2) of alloy and water and yield strength, the results are shown in Table 1.Alloy and the reaction of water
Speed is the most slack-off, and yield strength is also improved to some extent.
Embodiment 6
Repeat the process of embodiment 1, first press the mass ratio Al of alloy30(Ga35In21Sn14)70Accurately weigh
Each metal prepares intermediate alloy, then prepares Al81.5(Ga5In3Sn2)10Mg8Si0.3Mn0.2Alloy.Measure water
When temperature is 50 DEG C, the response speed of alloy and water and yield strength, the results are shown in Table 1.Low melting point in alloy
Tenor increase accelerates the response speed of alloy and water, and yield strength is increased slightly.
Embodiment 7
Repeat the process of embodiment 1, first press the mass ratio Al of alloy60(Ga20In10Sn5Bi5)40Accurately claim
Take each metal and prepare intermediate alloy, then prepare Al91.5(Ga2In1Sn0.5Bi0.5)4Mg5Zn2Si0.3Fe0.2Alloy.
Measure response speed and the yield strength of water temperature alloy and water when being 50 DEG C, the results are shown in Table 1.In alloy
Low-melting-point metal content reduces and adds the elements such as Si, Fe, and alloy is slack-off with the response speed of water, closes
The yield strength of gold is higher.
Embodiment 8
Repeat the process of embodiment 1, first press the mass ratio Al of alloy40(Ga40In10Sn10)60Accurately weigh
Each metal prepares intermediate alloy, then prepares Al90.5(Ga2In0.5Sn0.5)3Zn7Fe0.2Ti0.1Si0.2Alloy.Survey
The response speed of amount water temperature alloy and water when being 50 DEG C and yield strength, the results are shown in Table 1.In alloy low
Melting point metals content reduces and adds Si, and the element such as Ti, Fe makes alloy more real with the response speed of water
Execute the alloy in example 7 slow, and yield strength slightly reduces.
Embodiment 9
Repeat the process of embodiment 1, first press the mass ratio Al of alloy50(Ga30In10Sn10)50Accurately weigh
Each metal prepares intermediate alloy, then prepares Al91.5(Ga3In1Sn1)5Mg4Zn1Si0.3Fe0.2Cu0.1.Measure
When water temperature is 50 DEG C, the response speed of alloy and water and yield strength, the results are shown in Table 1.Alloy and water
Response speed is slightly fast compared with the alloy in embodiment 7, and yield strength slightly reduces.
Comparative example 1
Repeat the process of embodiment 1, prepare Al85Zn15Alloy.Measure water temperature when being 50 DEG C alloy with
The response speed of water, the results are shown in Table 1.Owing to not adding Ga and In and Sn, alloy not anti-with water
Should.
Comparative example 2
Repeat the process of embodiment 1, prepare Al85In15.Measure water temperature alloy and water anti-when being 50 DEG C
Answer speed, the results are shown in Table 1.Owing to not adding Ga and Sn, alloy not with the reaction of water.
Comparative example 3
Repeat the process of embodiment 1, prepare Al80In10Sn10Alloy.Measure alloy when water temperature is 50 DEG C
With the response speed of water, the results are shown in Table 1.Owing to not adding Ga, alloy not with the reaction of water.
Comparative example 4
Repeat the process of embodiment 1, prepare Al75In10Bi10Alloy.Measure alloy when water temperature is 50 DEG C
With the response speed of water, the results are shown in Table 1.Owing to not adding Ga, alloy not with the reaction of water.
Comparative example 5
Repeat the process of embodiment 1, first press the mass ratio Al of alloy70(Ga20In5Sn10)5Accurately weigh each
Metal prepares intermediate alloy, then prepares Al64(Ga20In5Sn5)30Zn6Alloy.When measurement water temperature is 50 DEG C
The response speed of alloy and water and yield strength, the results are shown in Table 1.Due to low-melting-point metal content in alloy
Too high, the reaction of alloy and water is accelerated.But Al content is too low, alloy yield strength is low.
Comparative example 6
Repeat the process of embodiment 1, first press the mass ratio Al of alloy80(Ga10In6Sn4)20Accurately weigh each
Metal prepares intermediate alloy, then prepares Al97(Ga1In0.6Sn0.4)2Mg0.9Ti0.1Alloy.Measurement water temperature is
When 50 DEG C, the response speed of alloy and water and yield strength, the results are shown in Table 1.Due to low melting point gold in alloy
Belonging to content too low, alloy is slack-off with the reaction of water, and the yield strength of alloy uprises.
The invention provides and there is different product hydrogen rate and the alloy of yield strength, can produce according to difference
The needing of condition makes pressure break ball, to be widely used in the production needs of reality.
Table 1 alloy performance test result
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow and is familiar with this
The personage of item technology will appreciate that present disclosure and implements according to this, can not limit the present invention with this
Protection domain.All equivalence changes made according to spirit of the invention or modification, all should contain
Within protection scope of the present invention.
Claims (7)
1. one kind for preparing the acieral of disintegrate pressure break ball, it is characterised in that: described alloy by
The low-melting-point metal of Al, 1wt.%～the 15wt.% of 70wt.%～96wt.% and 1wt.%'s～20wt.% is strong
Change the elementary composition of Al alloy；
Low-melting-point metal is Ga, In and Sn, and weight ratio is: Ga:In:Sn=(1～90): (0.1～60):
(0.1～30)；The one that element is Ti, Cu, Fe, Mg, Zn, Mn, Si of strengthening Al alloy
Or it is multiple.
2. according to being used for preparing the acieral of disintegrate pressure break ball described in claim 1, it is characterised in that:
The weight ratio of Ga, In and Sn is: Ga:In:Sn=(50～90): (30～60): (20～30).
3. according to being used for preparing the acieral of disintegrate pressure break ball described in claim 1, it is characterised in that:
The composition proportion of described acieral is weight ratio Al:Ga:In:Sn:Mg:Si:Zn=(75～94): (2～8):
(1～4): (1～4): (1～10): (0.1～0.5): (0.1～0.5).
4. according to being used for preparing the acieral of disintegrate pressure break ball described in claim 1, it is characterised in that:
Described acieral mainly comprises Al solid solution and In3Sn is biphase.
5. as claimed in claim 1 for preparing a preparation method for the acieral of disintegrate pressure break ball,
It is characterized in that, comprise the following steps:
(a), intermediate alloy AlxR1-xPreparation: according to alloying component weigh gold conjugate, wherein x=20wt.%
～70wt.%, R are low-melting-point metal；Alloy uses vacuum induction melting, and induction furnace vacuum is 1
×10-3～4 × 10-3Pa, smelting temperature is 750～900 DEG C, each smelting time is not less than 30 minutes；
In fusion process, liquid alloy uses electromagnetic agitating technology to be stirred, and treats alloy melting 10～30 points
Zhong Hou, under inert gas shielding atmosphere, is cast in water-cooled copper mold solidification by liquid alloy；
(b), the preparation of polynary Al alloy: by the intermediate alloy prepared, Al and the conjunction of strengthening Al
Gold element weighs gold conjugate according to alloying component, and alloy uses normal pressure resistance furnace melting, and smelting temperature is
750～900 DEG C, each smelting time be not less than 30 minutes, before melting alloy surface cover salt cover
Agent, after alloy is completely melt 10～30 minutes, is cast in water-cooled copper mold solidification by liquid alloy.
6. according to being used for preparing the preparation method of the acieral of disintegrate pressure break ball described in claim 5,
It is characterized in that: described salt coverture is NaCl or KCl.
7. one kind is used for preparing pressure break prepared by the acieral of disintegrate pressure break ball as claimed in claim 1
Ball.
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| CN114058911A (en) * | 2021-12-10 | 2022-02-18 | 新疆大学 | Aluminum alloy for manufacturing soluble fracturing balls and preparation method thereof |
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