CN105861904A - Preparation method of B4C/Al composite material - Google Patents
Preparation method of B4C/Al composite material Download PDFInfo
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- CN105861904A CN105861904A CN201610480043.3A CN201610480043A CN105861904A CN 105861904 A CN105861904 A CN 105861904A CN 201610480043 A CN201610480043 A CN 201610480043A CN 105861904 A CN105861904 A CN 105861904A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/062—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on B4C
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- 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
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
Abstract
The invention discloses a preparation method of B4C/Al composite material, relates to a preparation method of composite material, and aims to solve the problems that the reinforcement volume fraction of the B4C/Al composite material prepared by an existing method is narrow in range, and the mechanical performance of the composite material is poor. The preparation method includes the steps of firstly, weighing B4C powder and material containing aluminum; secondly, mixing the B4C powder and the material containing aluminum in a ball milling tank to obtain mixed powder; thirdly, placing the mixed powder in a support plate, and sufficiently drying in a drying oven; fourthly, placing the dried mixed powder in a graphite die, sintering the die, and allowing the die to cool along with a furnace to obtain the B4C/Al composite material. The preparation method has the advantages that the reinforcement volume fraction of the B4C/Al composite material prepared by the method can change in a large range, preparation time can be shortened greatly, the preparation efficiency of the composite material is increased greatly, and the composite material is excellent in mechanical performance. The preparation method is applicable to the field of aluminum-based composite material.
Description
Technical field
The present invention relates to the preparation method of a kind of composite.
Background technology
The research of aluminum matrix composite starts from eighties of last century fifties.Over nearly 20 years, in theory and technically all take
Obtained bigger achievement.As the conventional ceramic material that density is minimum, boron carbide is expected to make the specific modulus of composite and ratio
Strength ratio is greatly improved.At present for B4The main preparation technology of C/Al composite mainly has powder metallurgic method, stirring
Casting, squeeze casting method, spray deposition etc..These methods respectively have superiority, but the B prepared by said method4C/Al
Composite has a following deficiency: 1) preparation process is longer, relatively costly, power consumption is bigger；2) B prepared by traditional method4C/Al
The volume fraction of composite is severely limited, is usually the composite that preparation volume fraction is relatively low.Disadvantages mentioned above is tight
Heavily hinder B4The extensive preparation of C/Al composite and application.So, find a kind of more fast, efficiently prepare
B4The method of C/Al composite, it appears particularly important.
The reinforcement volume fraction narrow range of B4C/Al composite prepared by existing process, the mechanical property of composite
Can be poor.
Summary of the invention
The present invention is to solve B prepared by existing method4The reinforcement volume fraction narrow range of C/Al composite, composite wood
The problem of the poor mechanical property of material, it is provided that a kind of B4The preparation method of C/Al composite.
B of the present invention4The preparation method of C/Al composite, sequentially includes the following steps:
One, weighing: by volume mark weighs the B of 10%-85%4C powder and the alumina-bearing material of 15%-90%；Described B4C
The particle diameter of powder is 1-30 μm, and described alumina-bearing material is aluminium powder or Al alloy powder；
Two, batch mixing: by B4C powder and alumina-bearing material are put in ball grinder, utilize planetary ball mill to carry out ball milling and mix powder,
Obtain mixed-powder；Ratio of grinding media to material is (3-5): 1, and the rotating speed of ball mill is 200-500r/min, and Ball-milling Time is 1-5 hour；
Three, it is dried: being taken out by mixed powder and put in pallet, be placed in drying baker and be fully dried, drying baker keeps
30 DEG C of constant temperature, drying time is 24-48 hour；
Four, preparation: dried mixed-powder is taken out from drying baker, puts in graphite jig, subsequently mould is put into
It is sintered in discharge plasma sintering stove；Being evacuated to 2Pa in sintering forehearth, applying axial compressive force is 40-50MPa,
It is warming up to 440-600 DEG C with 100 DEG C/min and is incubated 5min, then furnace cooling, i.e. obtaining B4C/Al composite.
Beneficial effects of the present invention:
The present invention selects SPS method to prepare B4C/Al composite, for preparation B4C/Al composite have found brand-new
Method, can prepare the B of even tissue4C/Al composite.
1, B prepared by the inventive method4The reinforcement volume fraction of C/Al composite can in very large range change
(10%-85%), can there be multiple choices.
2, the preparation time of the inventive method can significantly reduce, and can complete B in several tens minutes4C/Al composite
Sintering, makes B4C/Al composite preparation efficiency is greatly improved.
3, the B that the present invention prepares4C/Al composite materials property is excellent.Prepared B4C/2024Al composite
After T6 processes, its high bending strength has exceeded 1100MPa.
Accompanying drawing explanation
Fig. 1 is the B of test one preparation4C/2024Al composite three-point bending fracture apperance；
Fig. 2 is the B of test two preparation4C/2024Al composite three-point bending fracture apperance；
Fig. 3 is the B of test three preparation4C/1060Al composite three-point bending fracture apperance.
Detailed description of the invention
Technical solution of the present invention is not limited to act detailed description of the invention set forth below, also includes appointing between each detailed description of the invention
Meaning combination.
Detailed description of the invention one: present embodiment B4The preparation method of C/Al composite, sequentially includes the following steps:
One, weighing: by volume mark weighs the B of 10%-85%4C powder and the alumina-bearing material of 15%-90%；
Two, batch mixing: by B4C powder and alumina-bearing material are put in ball grinder, utilize planetary ball mill to carry out ball milling and mix powder,
Obtain mixed-powder；
Three, it is dried: being taken out by mixed powder and put in pallet, be placed in drying baker and be fully dried, drying baker keeps
30 DEG C of constant temperature, drying time is 24-48 hour；
Four, preparation: dried mixed-powder is taken out from drying baker, puts in graphite jig, subsequently mould is put into
It is sintered in discharge plasma sintering stove；Applying axial compressive force is 40-50MPa, is warming up to 440-600 DEG C with 100 DEG C/min
And it is incubated 5min, and then furnace cooling, i.e. obtain B4C/Al composite.
Detailed description of the invention two: present embodiment is unlike detailed description of the invention one: B described in step one4C powder
Particle diameter is 1-30 μm.Other is identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment is unlike detailed description of the invention one or two: containing aluminium described in step one
Material is aluminium powder or Al alloy powder；Wherein aluminium alloy is 1xxx line aluminium alloy, 2xxx line aluminium alloy, 3xxx line aluminium alloy, 4xxx
Line aluminium alloy, 5xxx line aluminium alloy, 6xxx line aluminium alloy or 7xxx line aluminium alloy.Other is with detailed description of the invention one or two
Identical.
Detailed description of the invention four: present embodiment is unlike one of detailed description of the invention one to three: press body in step one
Fraction weighs the B of 10%4C powder and the alumina-bearing material of 90%.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention five: present embodiment is unlike one of detailed description of the invention one to three: press body in step one
Fraction weighs the B of 85%4C powder and the alumina-bearing material of 15%.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention six: present embodiment is unlike one of detailed description of the invention one to three: press body in step one
Fraction weighs the B of 45%4C powder and the alumina-bearing material of 55%.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention seven: present embodiment is unlike one of detailed description of the invention one to three: press body in step one
Fraction weighs the B of 55%4C powder and the alumina-bearing material of 45%.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention eight: present embodiment is unlike one of detailed description of the invention one to seven: ball milling in step 2
Ratio of grinding media to material be (3-5): 1, the rotating speed of ball mill is 200-500r/min, and Ball-milling Time is 1-5 hour.Other is with concrete
One of embodiment one to seven is identical.
Detailed description of the invention nine: present embodiment is unlike one of detailed description of the invention one to seven: ball milling in step 2
Ratio of grinding media to material be 4:1, the rotating speed of ball mill is 300-400r/min, and Ball-milling Time is 2-3 hour.Other be embodied as
One of mode one to seven is identical.
Detailed description of the invention ten: present embodiment is unlike one of detailed description of the invention one to nine: apply in step 4
Axial compressive force is 45MPa.Other is identical with one of detailed description of the invention one to nine.
Detailed description of the invention 11: present embodiment is unlike one of detailed description of the invention one to ten: in step 4 with
100 DEG C/min is warming up to 480～500 DEG C.Other is identical with one of detailed description of the invention one to ten.
Detailed description of the invention 12: present embodiment is unlike one of detailed description of the invention one to ten: in step 4 with
100 DEG C/min is warming up to 540 DEG C.Other is identical with one of detailed description of the invention one to ten.
Tests below is carried out for checking beneficial effects of the present invention:
Test one: volume fraction is the B of 10%4The preparation method of C/2024Al composite is to realize according to the following steps:
One, weighing: by volume mark weighs the B of 10%4C powder and the 2024Al powder of 90%, B4The particle diameter of C powder
It is 4.5 μm.
Two, batch mixing: the material weighed up is put into and utilizes planetary ball mill to carry out ball milling in ball grinder to mix powder, obtain mixed-powder；
Ratio of grinding media to material is 3:1, and the rotating speed of ball mill is 400r/min, and Ball-milling Time is 2.5 hours.
Three, it is dried: being taken out by mixed powder and put in pallet, be placed in drying baker and be fully dried, drying baker is protected
Hold 30 DEG C of constant temperature, 36 hours drying times.
Four, preparation: dried mixed-powder is taken out from drying baker, puts in graphite jig, subsequently mould is put
It is sintered in entering discharge plasma sintering stove.In sintering forehearth, vacuum is to 2Pa, powder is applied axial compressive force be 40MPa,
It is warming up to 440 DEG C with 100 DEG C/min and is incubated 5min, taking out after the composite furnace cooling prepared.
The B that volume fraction is 10% to this test preparation4C/2024Al composite carries out three-point bending test, prepared
B4C/2024Al composite its bending strength after T6 processes has reached 1060MPa.Fig. 1 is that it bends fracture
The SEM photograph of pattern, from it can be seen that Composite Sintering is fine and close, B4C even particle distribution, it can be seen that fracture
Existing and tear rib in a large number, fracture mode is quasi-cleavage crack.
Test two: volume fraction is the B of 45%4The preparation method of C/2024Al composite is to realize according to the following steps:
One, weighing: by volume mark weighs the B of 85%4C powder and the 2024Al powder of 15%, B4The particle diameter of C powder
It is 4.5 μm.
Two, batch mixing: the material weighed up is put into and utilizes planetary ball mill to carry out ball milling in ball grinder to mix powder, obtain mixed-powder.
Ratio of grinding media to material is 4:1, and the rotating speed of ball mill is 400r/min, and Ball-milling Time is 2.5 hours.
Three, it is dried: mixed powder is taken out, powder is put in pallet, be placed in drying baker and be fully dried, dry
Dry case keeps 30 DEG C of constant temperature, 48 hours drying times.
Four, preparation: dried mixed-powder is taken out from drying baker, puts in graphite jig, subsequently mould is put into
It is sintered in discharge plasma sintering stove.In sintering forehearth, vacuum is to 2Pa, powder is applied axial compressive force be 45MPa,
It is warming up to 580 DEG C with 100 DEG C/min and is incubated 5min, taking out after the composite furnace cooling prepared.
The B that volume fraction is 45% to this test preparation4C/2024Al composite carries out three-point bending test, prepared
B4C/2024Al composite its bending strength after T6 processes has reached 940MPa.Fig. 2 is that it bends fracture shape
The SEM photograph of looks, from it can be seen that Composite Sintering is fine and close, B4C even particle distribution, it can be seen that fracture is deposited
Tearing rib in a large number, fracture mode is quasi-cleavage crack.
Test three: volume fraction is the B of 85%4The preparation method of C/1060Al composite is to realize according to the following steps:
One, weighing: by volume mark weighs the B of 85%4C powder and the 1060Al powder of 15%, B4The particle diameter of C powder
It is 17.5 μm.
Two, batch mixing: the material weighed up is put into and utilizes planetary ball mill to carry out ball milling in ball grinder to mix powder, obtain mixed-powder.
Ratio of grinding media to material is 5:1, and the rotating speed of ball mill is 400r/min, and Ball-milling Time is 2.5 hours.
Three, it is dried: mixed powder is taken out, powder is put in pallet, be placed in drying baker and be fully dried, dry
Dry case keeps 30 DEG C of constant temperature, 24-48 hour drying time.
Four, preparation: dried mixed-powder is taken out from drying baker, puts in graphite jig, subsequently mould is put into
It is sintered in discharge plasma sintering stove.In sintering forehearth, vacuum is to 2Pa, powder is applied axial compressive force be 50MPa,
It is warming up to 600 DEG C with 100 DEG C/min and is incubated 5min, taking out after the composite furnace cooling prepared.
The B that volume fraction is 85% to this test preparation4C/1060Al composite carries out three-point bending test, prepared
B4C/1060Al composite its bending strength after T6 processes has reached 380MPa.Fig. 3 is that it bends fracture shape
Looks, there it can be seen that fracture mode is brittle fracture.Obtain being difficult to, by traditional method, the high-volume fractional for preparing
B4C/1060Al composite.
Claims (10)
1. a B4The preparation method of C/Al composite, it is characterised in that the method sequentially includes the following steps:
One, weighing: by volume mark weighs the B of 10%-85%4C powder and the alumina-bearing material of 15%-90%；
Two, batch mixing: by B4C powder and alumina-bearing material are put in ball grinder, utilize planetary ball mill to carry out ball milling and mix powder,
To mixed-powder；
Three, it is dried: being taken out by mixed powder and put in pallet, be placed in drying baker and be fully dried, drying baker keeps
30 DEG C of constant temperature, drying time is 24-48 hour；
Four, preparation: dried mixed-powder is taken out from drying baker, puts in graphite jig, subsequently mould is put into
It is sintered in discharge plasma sintering stove；Applying axial compressive force is 40-50MPa, is warming up to 440-600 DEG C with 100 DEG C/min
And it is incubated 5min, and then furnace cooling, i.e. obtain B4C/Al composite.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that described in step one
B4The particle diameter of C powder is 1-30 μm.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that described in step one
Alumina-bearing material is aluminium powder or Al alloy powder；Wherein aluminium alloy is 1xxx line aluminium alloy, 2xxx line aluminium alloy, the aluminum conjunction of 3xxx system
Gold, 4xxx line aluminium alloy, 5xxx line aluminium alloy, 6xxx line aluminium alloy or 7xxx line aluminium alloy.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that press in step one
Volume fraction weighs the B of 45%4C powder and the alumina-bearing material of 55%.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that press in step one
Volume fraction weighs the B of 55%4C powder and the alumina-bearing material of 45%.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that ball in step 2
The ratio of grinding media to material of mill is (3-5): 1, and the rotating speed of ball mill is 200-500r/min, and Ball-milling Time is 1-5 hour.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that ball in step 2
The ratio of grinding media to material of mill is 4:1, and the rotating speed of ball mill is 300-400r/min, and Ball-milling Time is 2-3 hour.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that execute in step 4
Adding axial compressive force is 45MPa.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that in step 4 with
100 DEG C/min is warming up to 480～500 DEG C.
A kind of B the most according to claim 14The preparation method of C/Al composite, it is characterised in that in step 4 with
100 DEG C/min is warming up to 540 DEG C.
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| CN201610480043.3A CN105861904B (en) | 2016-06-27 | 2016-06-27 | A kind of B4The preparation method of C/Al composites |
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| CN201610480043.3A CN105861904B (en) | 2016-06-27 | 2016-06-27 | A kind of B4The preparation method of C/Al composites |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675058A (en) * | 2017-10-12 | 2018-02-09 | 哈尔滨工业大学 | A kind of expanded letter fraction layered gradient Boral based composites and preparation method thereof |
| CN108118229A (en) * | 2018-01-29 | 2018-06-05 | 镇江华核装备有限公司 | A kind of high-performance B4C/Al neutron absorption composite materials |
| CN108251673A (en) * | 2018-01-27 | 2018-07-06 | 镇江华核装备有限公司 | The preparation process of aluminum-based boron carbide neutron absorber material |
| CN108315629A (en) * | 2018-02-13 | 2018-07-24 | 济南大学 | A kind of preparation method of Al/SiC ceramic-metal composites |
| CN110028320A (en) * | 2019-04-04 | 2019-07-19 | 南京理工大学 | A kind of boron carbide ceramics material and preparation method thereof |
| CN112267038A (en) * | 2020-09-30 | 2021-01-26 | 哈尔滨工业大学 | Preparation method of BN nanosheet/aluminum-based composite material |
| CN115921849A (en) * | 2023-02-15 | 2023-04-07 | 山东理工大学 | Spherical Al 3 BC/Al composite powder and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618774A (en) * | 2012-04-17 | 2012-08-01 | 江苏大学 | Manufacturing method of metal matrix nanocomposites with high toughness |
| CN102757223A (en) * | 2012-07-04 | 2012-10-31 | 山东大学 | Rare-earth boride/boron carbide composite neutron absorption material and preparation method thereof |
-
2016
- 2016-06-27 CN CN201610480043.3A patent/CN105861904B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618774A (en) * | 2012-04-17 | 2012-08-01 | 江苏大学 | Manufacturing method of metal matrix nanocomposites with high toughness |
| CN102757223A (en) * | 2012-07-04 | 2012-10-31 | 山东大学 | Rare-earth boride/boron carbide composite neutron absorption material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| H.S.CHEN ETC.: "The design, microstructure and mechanical properties of B4C/6061Al neutron absorber composites fabricated by SPS", 《MATERIALS AND DESIGN》 * |
| H.T.CHI ETC.: "Microstructure and wear properties of pressure infiltration B4Cp/2024Al composites", 《MATERIALS RESEARCH INNOVATIONS》 * |
| ZHISONG ZHOU ETC.: "Analysis of morphology and microstructure of B4C/2024Al composites after 7.62mm ballistic impact", 《MATERIALS AND DESIGN》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675058A (en) * | 2017-10-12 | 2018-02-09 | 哈尔滨工业大学 | A kind of expanded letter fraction layered gradient Boral based composites and preparation method thereof |
| CN108251673A (en) * | 2018-01-27 | 2018-07-06 | 镇江华核装备有限公司 | The preparation process of aluminum-based boron carbide neutron absorber material |
| CN108118229A (en) * | 2018-01-29 | 2018-06-05 | 镇江华核装备有限公司 | A kind of high-performance B4C/Al neutron absorption composite materials |
| CN108315629A (en) * | 2018-02-13 | 2018-07-24 | 济南大学 | A kind of preparation method of Al/SiC ceramic-metal composites |
| CN110028320A (en) * | 2019-04-04 | 2019-07-19 | 南京理工大学 | A kind of boron carbide ceramics material and preparation method thereof |
| CN112267038A (en) * | 2020-09-30 | 2021-01-26 | 哈尔滨工业大学 | Preparation method of BN nanosheet/aluminum-based composite material |
| CN115921849A (en) * | 2023-02-15 | 2023-04-07 | 山东理工大学 | Spherical Al 3 BC/Al composite powder and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105861904B (en) | 2018-03-16 |
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