CN106222500A - A kind of aluminum matrix composite and preparation method - Google Patents
A kind of aluminum matrix composite and preparation method Download PDFInfo
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- CN106222500A CN106222500A CN201610592749.9A CN201610592749A CN106222500A CN 106222500 A CN106222500 A CN 106222500A CN 201610592749 A CN201610592749 A CN 201610592749A CN 106222500 A CN106222500 A CN 106222500A
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- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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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
- C22C1/08—Alloys with open or closed pores
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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
- C22C1/08—Alloys with open or closed pores
- C22C1/081—Casting porous metals into porous preform skeleton without foaming
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Abstract
A kind of aluminum matrix composite and preparation method, relate to a kind of composite and preparation method, and the composition of composite is: aluminium alloy Al Zn Mg Cu and three-dimensional connected porous titanium skeleton；The concrete steps of preparation method include: dispensing, foundry alloy melting, prepare aluminum base/three-dimensional connected porous titanium composite material: with petroleum ether and dehydrated alcohol, above-mentioned simple substance raw material is carried out ultrasonic waves for cleaning, finally above-mentioned simple substance raw material being mixed puts into inside graphite crucible, become mother alloy ingot, after the abundant seepage flow of alloy molten solution fills full POROUS TITANIUM matrix porosity, steel pipe is quenched in water, it is thus achieved that aluminum base/three-dimensional connected porous titanium composite material.This aluminum matrix composite matrix crystal grain is tiny, has excellent mechanical property under the conditions of large scale sample experiments.
Description
Technical field
The present invention relates to a kind of composite and preparation method, be specially a kind of aluminum base/three-dimensional connected porous titanium composite wood
Material and preparation method, belong to technical field of new material preparation.
Background technology
Aluminum matrix composite has high ratio modulus, high temperature resistant, antioxidation, lightweight, the feature such as corrosion-resistant, with become aviation,
Space flight and other field development high performance structures material a direction, be also recent domestic new material research focus it
One.
Aluminum matrix composite is using aluminum or aluminum alloy as matrix, including non-continuous reinforced aluminium-based composite material and increases continuously
Strong aluminum matrix composite.Wherein the enhancing of non-continuous reinforced aluminium-based composite material includes that whisker, granule and chopped fiber etc. strengthen mutually
Body.The main cause that non-continuous reinforced aluminium-based composite material fails to be used widely is exactly compared with conventional aluminum alloy material,
Mutually discontinuous being distributed in matrix owing to strengthening, the plasticity causing composite is low, poor toughness, non-continuous reinforced aluminium-based compound
The plasticity of material compared with the matrix alloy not strengthened accordingly, almost order of magnitude lower.This makes non-continuous reinforced aluminium-based multiple
Condensation material uses the most dangerous as engineering component, and secondary operations is relatively difficult, thus more complicated producing shape
During part, considerably increase the cost of material.
Summary of the invention
It is an object of the invention to provide a kind of aluminum matrix composite and preparation method, this matrices of composite material phase and enhancing
Phase space three-dimensional communication and being evenly distributed, biphase mutual strengthening, solve what existing non-continuous reinforced aluminium-based composite material existed
The low problem with poor toughness of plasticity.This aluminum matrix composite matrix crystal grain is tiny, has under the conditions of large scale sample experiments
There is excellent mechanical property, there is specific strength height, stable performance, flawless feature.
The technical scheme is that
One aluminum base/three-dimensional connected porous titanium composite material of the present invention, the composition of composite is: one is currently used for structural wood
The high-performance aluminium alloy Al-Zn-Mg-Cu of material and three-dimensional connected porous titanium skeleton.Al-Zn-Mg-Cu alloy composition (percent mass
Than) it is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and the porosity of POROUS TITANIUM skeleton is 15% ~ 80%, pore size is 20 ~ 300
μm, the purity of titanium is 99.9%.
The invention provides the preparation method of above-mentioned aluminum base/three-dimensional connected porous titanium composite material, specifically comprise the following steps that
(1) dispensing: test simple substance raw material used all uses purity to be not less than 99.9 %(mass percents) Al, Zn, Mg and Cu.
Utilizing precision electronic balance to weigh up the quality of above-mentioned simple substance raw material, the gross mass of above-mentioned simple substance raw material is 150 ~ 200 grams.Then use
Petroleum ether and dehydrated alcohol carry out ultrasonic waves for cleaning to above-mentioned simple substance raw material, finally above-mentioned simple substance raw material are mixed and put into stone
Inside ink crucible.
(2) foundry alloy melting: vacuum medium frequency induction furnace put into by the graphite crucible that will be equipped with simple substance raw material, shuts in vacuum
Frequently induction furnace fire door.Vacuum medium frequency induction furnace working chamber is evacuated to 2 × 10-4Handkerchief, then to be passed through purity be 99.99%(matter
Amount percentage ratio) high-purity argon gas, to control simple substance raw material volatile quantity in fusion process.Start melting above-mentioned simple substance raw material,
Become mother alloy ingot.Fusion process includes heating and two steps of insulation.It is uniform for ensureing the composition of mother alloy ingot,
Heating and insulating process alternately 5 times, need 15 minutes altogether.After melting completes, mother alloy ingot is with vacuum medium frequency induction furnace
It is cooled to room temperature, then opens vacuum medium frequency induction furnace and take out mother alloy ingot.
(3) aluminum base/three-dimensional connected porous titanium composite material is prepared: in high vacuum conditions, by mother alloy ingot and three-dimensional
Connected porous titanium skeleton is heated to 680-720oC, penetrates into alloy molten solution high pressure or clamp-ons three-dimensional connected porous titanium skeleton, treating
After the abundant seepage flow of alloy molten solution fills full POROUS TITANIUM matrix porosity, steel pipe is quenched in water, it is thus achieved that aluminum base/three-dimensional connected porous titanium
Composite.
The invention have the advantages that
1. due to the density of titanium and aluminium alloy density closely, can in very large range adjust three-dimensional connected porous titanium
Porosity so that the density of composite is also very close to the density of aluminum substrate, thus remain other advantage of aluminium alloy.
2. after aluminium alloy is compound with three-dimensional connected porous titanium skeleton, matrix crystal grain is tiny, and matrix phase is divided mutually with strengthening
Cloth is uniform, and the structure of two-phase three-dimensional communication so that acieral and the cooperative transformation of toughness three-dimensional connected porous titanium skeleton,
Thus the aluminum base/three-dimensional connected porous titanium composite material of preparation has the strongest and tough performance.Aluminum base/three-dimensional prepared by the present invention
Connected porous titanium composite material tensile strength is 150-220MPa, and elongation percentage is 1%-2%, non-continuous reinforced aluminium-based compound with existing
Material is compared tensile strength and is improved 60%-100%, and elongation percentage improves 100%-200%.
3. the preparation method that this experiment is used is infiltration water quenching, and infiltration water quenching can prepare large-size and property
The excellent stable sample of energy, the sample prepared has less defect, such as pore, is mingled with, and process conditions are simple
Easily controllable.Above-mentioned advantage surface, the present invention has the biggest future in engineering applications.
Accompanying drawing explanation
Fig. 1 is the metallography microscope group of the aluminum base/three-dimensional connected porous titanium composite material of preparation under the conditions of present example example 1
Knit photo.
Detailed description of the invention
The present invention is described in detail in detail by the following examples.
Embodiment 1
The present invention provides a kind of aluminum base/three-dimensional connected porous titanium composite material, and specific embodiments selects the composition of composite
For: a kind of high-performance aluminium alloy Al-Zn-Mg-Cu being currently used for structural material and three-dimensional connected porous titanium skeleton.Al-Zn-
Mg-Cu alloying component (mass percent) is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and the porosity of POROUS TITANIUM skeleton is
30%, pore size is 100 μm, and the purity of titanium is 99.9%.
The invention provides the preparation method of above-mentioned aluminum base/three-dimensional connected porous titanium composite material, specifically comprise the following steps that
(1) dispensing: test simple substance raw material used all uses purity to be not less than 99.9 %(mass percents) Al, Zn, Mg and Cu.
Utilizing precision electronic balance to weigh up the quality of above-mentioned simple substance raw material, the gross mass of above-mentioned simple substance raw material is 150 grams.Then oil is used
Ether and dehydrated alcohol carry out ultrasonic waves for cleaning to above-mentioned simple substance raw material, finally above-mentioned simple substance raw material are mixed and put into graphite earthenware
Inside crucible.
(2) foundry alloy melting: vacuum medium frequency induction furnace put into by the graphite crucible that will be equipped with simple substance raw material, shuts in vacuum
Frequently induction furnace fire door.Vacuum medium frequency induction furnace working chamber is evacuated to 2 × 10-4Handkerchief, then to be passed through purity be 99.99%(matter
Amount percentage ratio) high-purity argon gas, to control simple substance raw material volatile quantity in fusion process.Start melting above-mentioned simple substance raw material,
Become mother alloy ingot.Fusion process includes heating and two steps of insulation.It is uniform for ensureing the composition of mother alloy ingot,
Heating and insulating process alternately 5 times, need 15 minutes altogether.After melting completes, mother alloy ingot is with vacuum medium frequency induction furnace
It is cooled to room temperature, then opens vacuum medium frequency induction furnace and take out mother alloy ingot.
(3) aluminum base/three-dimensional connected porous titanium composite material is prepared: the preparation method that this invention uses is infiltration water quenching.
In high vacuum conditions, mother alloy ingot and three-dimensional connected porous titanium skeleton are heated to 680oC, penetrates into alloy molten solution high pressure
Or clamp-on three-dimensional connected porous titanium skeleton, after the abundant seepage flow of alloy molten solution fills full POROUS TITANIUM matrix porosity, steel pipe is quenched
Enter in water, it is thus achieved that aluminum base/three-dimensional connected porous titanium composite material.
As it is shown in figure 1, there is not any chemical reaction, base after being combined in alloy matrix aluminum and three-dimensional connected porous titanium skeleton
Body phase is evenly distributed mutually with strengthening.
Embodiment 2
The present invention provides a kind of aluminum base/three-dimensional connected porous titanium composite material, and specific embodiments selects the composition of composite
For: a kind of high-performance aluminium alloy Al-Zn-Mg-Cu being currently used for structural material and three-dimensional connected porous titanium skeleton.Al-Zn-
Mg-Cu alloying component (mass percent) is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and the porosity of POROUS TITANIUM skeleton is
80%, pore size is 50 μm, and the purity of titanium is 99.9%.
The invention provides the preparation method of above-mentioned aluminum base/three-dimensional connected porous titanium composite material, specifically comprise the following steps that
(1) dispensing: test simple substance raw material used all uses purity to be not less than 99.9 %(mass percents) Al, Zn, Mg and Cu.
Utilizing precision electronic balance to weigh up the quality of above-mentioned simple substance raw material, the gross mass of above-mentioned simple substance raw material is 180 grams.Then oil is used
Ether and dehydrated alcohol carry out ultrasonic waves for cleaning to above-mentioned simple substance raw material, finally above-mentioned simple substance raw material are mixed and put into graphite earthenware
Inside crucible.
(2) foundry alloy melting: vacuum medium frequency induction furnace put into by the graphite crucible that will be equipped with simple substance raw material, shuts in vacuum
Frequently induction furnace fire door.Vacuum medium frequency induction furnace working chamber is evacuated to 2 × 10-4Handkerchief, then to be passed through purity be 99.99%(matter
Amount percentage ratio) high-purity argon gas, to control simple substance raw material volatile quantity in fusion process.Start melting above-mentioned simple substance raw material,
Become mother alloy ingot.Fusion process includes heating and two steps of insulation.It is uniform for ensureing the composition of mother alloy ingot,
Heating and insulating process alternately 5 times, need 15 minutes altogether.After melting completes, mother alloy ingot is with vacuum medium frequency induction furnace
It is cooled to room temperature, then opens vacuum medium frequency induction furnace and take out mother alloy ingot.
(3) aluminum base/three-dimensional connected porous titanium composite material is prepared: the preparation method that this invention uses is infiltration water quenching.
In high vacuum conditions, mother alloy ingot and three-dimensional connected porous titanium skeleton are heated to 720oC, penetrates into alloy molten solution high pressure
Or clamp-on three-dimensional connected porous titanium skeleton, after the abundant seepage flow of alloy molten solution fills full POROUS TITANIUM matrix porosity, steel pipe is quenched
Enter in water, it is thus achieved that aluminum base/three-dimensional connected porous titanium composite material.
Embodiment 3
The present invention provides a kind of aluminum base/three-dimensional connected porous titanium composite material, and specific embodiments selects the composition of composite
For: a kind of high-performance aluminium alloy Al-Zn-Mg-Cu being currently used for structural material and three-dimensional connected porous titanium skeleton.Al-Zn-
Mg-Cu alloying component (mass percent) is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and the porosity of POROUS TITANIUM skeleton is
80%, pore size is 50 μm, and the purity of titanium is 99.9%.
The invention provides the preparation method of above-mentioned aluminum base/three-dimensional connected porous titanium composite material, specifically comprise the following steps that
(1) dispensing: test simple substance raw material used all uses purity to be not less than 99.9 %(mass percents) Al, Zn, Mg and Cu.
Utilizing precision electronic balance to weigh up the quality of above-mentioned simple substance raw material, the gross mass of above-mentioned simple substance raw material is 200 grams.Then oil is used
Ether and dehydrated alcohol carry out ultrasonic waves for cleaning to above-mentioned simple substance raw material, finally above-mentioned simple substance raw material are mixed and put into graphite earthenware
Inside crucible.
(2) foundry alloy melting: vacuum medium frequency induction furnace put into by the graphite crucible that will be equipped with simple substance raw material, shuts in vacuum
Frequently induction furnace fire door.Vacuum medium frequency induction furnace working chamber is evacuated to 2 × 10-4Handkerchief, then to be passed through purity be 99.99%(matter
Amount percentage ratio) high-purity argon gas, to control simple substance raw material volatile quantity in fusion process.Start melting above-mentioned simple substance raw material,
Become mother alloy ingot.Fusion process includes heating and two steps of insulation.It is uniform for ensureing the composition of mother alloy ingot,
Heating and insulating process alternately 5 times, need 15 minutes altogether.After melting completes, mother alloy ingot is with vacuum medium frequency induction furnace
It is cooled to room temperature, then opens vacuum medium frequency induction furnace and take out mother alloy ingot.
(3) aluminum base/three-dimensional connected porous titanium composite material is prepared: the preparation method that this invention uses is infiltration water quenching.
In high vacuum conditions, mother alloy ingot and three-dimensional connected porous titanium skeleton are heated to 700oC, penetrates into alloy molten solution high pressure
Or clamp-on three-dimensional connected porous titanium skeleton, after the abundant seepage flow of alloy molten solution fills full POROUS TITANIUM matrix porosity, steel pipe is quenched
Enter in water, it is thus achieved that aluminum base/three-dimensional connected porous titanium composite material.
Claims (2)
1. an aluminum matrix composite, it is characterised in that the composition of described composite is: aluminium alloy Al-Zn-Mg-Cu and three
Tie up connected porous titanium skeleton；Al-Zn-Mg-Cu alloy mass percent composition is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and
The porosity of POROUS TITANIUM skeleton is 15% ~ 80%, and pore size is 20 ~ 300 μm, and the purity of titanium is 99.9%.
2. an aluminum matrix composite and preparation method, it is characterised in that specifically comprising the following steps that of described method
(1) dispensing: test simple substance raw material used all uses purity to be not less than Al, Zn, Mg and Cu of 99.9 % mass percents；Profit
Weigh up the quality of above-mentioned simple substance raw material by precision electronic balance, the gross mass of above-mentioned simple substance raw material is 150 ~ 200 grams；Then stone is used
Oil ether and dehydrated alcohol carry out ultrasonic waves for cleaning to above-mentioned simple substance raw material, finally above-mentioned simple substance raw material are mixed and put into graphite
Inside crucible；
(2) foundry alloy melting: vacuum medium frequency induction furnace put into by the graphite crucible that will be equipped with simple substance raw material, shuts vacuum intermediate-frequency sense
Answer furnace door；Vacuum medium frequency induction furnace working chamber is evacuated to 2 × 10-4 handkerchief, then to be passed through purity be 99.99% mass hundred
The high-purity argon gas of proportion by subtraction, to control simple substance raw material volatile quantity in fusion process；Start melting above-mentioned simple substance raw material so that it is become
For mother alloy ingot；Fusion process includes heating and two steps of insulation；Uniform for ensureing the composition of mother alloy ingot, heating and
Insulating process alternately 5 times, needs 15 minutes altogether；After melting completes, mother alloy ingot is cooled to vacuum medium frequency induction furnace
Room temperature, then opens vacuum medium frequency induction furnace and takes out mother alloy ingot；
(3) aluminum base/three-dimensional connected porous titanium composite material is prepared: in high vacuum conditions, by mother alloy ingot and three-dimensional communication
POROUS TITANIUM skeleton is heated to 680-720oC, is penetrated into by alloy molten solution high pressure or clamp-ons three-dimensional connected porous titanium skeleton, treating alloy
After the abundant seepage flow of liquation fills full POROUS TITANIUM matrix porosity, steel pipe is quenched in water, it is thus achieved that aluminum base/three-dimensional connected porous titanium is combined
Material.
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| CN201610592749.9A CN106222500B (en) | 2016-07-26 | 2016-07-26 | A kind of aluminum matrix composite and preparation method |
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| CN201610592749.9A CN106222500B (en) | 2016-07-26 | 2016-07-26 | A kind of aluminum matrix composite and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107699724A (en) * | 2017-09-01 | 2018-02-16 | 沈阳大学 | High-entropy alloy/porous silicon carbide titanium two-phase three-dimensional communication composite material and preparation method thereof |
| CN115029574A (en) * | 2022-06-17 | 2022-09-09 | 广东技术师范大学 | Three-dimensional double-continuous aluminum-based composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532103A (en) * | 2009-04-17 | 2009-09-16 | 莫苏萍 | Block blast-proof material |
| CN105506339A (en) * | 2015-12-30 | 2016-04-20 | 哈尔滨工业大学 | Preparation method of porous TiAl3 intermetallic compound |
-
2016
- 2016-07-26 CN CN201610592749.9A patent/CN106222500B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532103A (en) * | 2009-04-17 | 2009-09-16 | 莫苏萍 | Block blast-proof material |
| CN105506339A (en) * | 2015-12-30 | 2016-04-20 | 哈尔滨工业大学 | Preparation method of porous TiAl3 intermetallic compound |
Non-Patent Citations (1)
| Title |
|---|
| 马国峰等: ""热处理对Al-Zn-Mg-Cu组织及性能的影响"", 《沈阳大学学报(自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107699724A (en) * | 2017-09-01 | 2018-02-16 | 沈阳大学 | High-entropy alloy/porous silicon carbide titanium two-phase three-dimensional communication composite material and preparation method thereof |
| CN115029574A (en) * | 2022-06-17 | 2022-09-09 | 广东技术师范大学 | Three-dimensional double-continuous aluminum-based composite material and preparation method thereof |
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