CN106065441A - A kind of auto parts and components aluminum matrix composite - Google Patents
A kind of auto parts and components aluminum matrix composite Download PDFInfo
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- CN106065441A CN106065441A CN201610549669.5A CN201610549669A CN106065441A CN 106065441 A CN106065441 A CN 106065441A CN 201610549669 A CN201610549669 A CN 201610549669A CN 106065441 A CN106065441 A CN 106065441A
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- added
- deionized water
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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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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
- C22C1/083—Foaming process in molten metal other than by powder metallurgy
- C22C1/086—Gas foaming process
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0005—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0094—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with organic materials as the main non-metallic constituent, e.g. resin
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Powder Metallurgy (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
The invention discloses a kind of auto parts and components aluminum matrix composite, be made up of the raw material of following weight portion: aluminum 95 98, manganese 2.2 3, magnesium 1.3 1.5, silicon 0.5 0.8, ferrum 2.2 3, nickel 0.1 0.2, cetyl trimethylammonium bromide 0.06 0.1, graphene oxide 35, zircoium hydride 58, hexachlorethane 0.6 1, Acetylenogen. 0.6 1.1, aluminium sesquioxide 0.8 1, epoxy resin latex 0.23 0.3, kieselguhr 0.3 0.35, nanometer stainless steel powder 2.2 3, impurity≤0.01, deionized water are appropriate；Aluminum matrix composite prepared by the present invention has high-wear resistance and good heat crack resistance, has a preferable security performance for auto parts and components, and reduces use and the maintenance cost of automobile, can be mass-produced, is worthy to be popularized.
Description
Technical field
The present invention relates to technical field of automobile parts, particularly relate to a kind of auto parts and components aluminum matrix composite.
Background technology
Aluminum matrix composite has high specific strength, specific stiffness, ratio elastic modelling quantity, the most also has the most wear-resisting, resistance to
High-temperature behavior, has therefore suffered from paying close attention to widely.Conventional particle enhanced aluminum-based composite material technology of preparing has powder metallurgic method
With two kinds of techniques of casting.But the complex process equipment of powder metallurgic method, high expensive, be difficult to prepare large volume and complex-shaped
Part.And there is the danger such as dust-firing and blast in process of production.Casting technique is simple, easy to operate, permissible
Producing the composite of large volume, equipment investment is few, and production cost is low, suitable for mass production.
Graphene has the most excellent physical property and mechanical performance it is considered to be optimal metal_based material because of it
Reinforcement.But Graphene is very easy to reunite in metallic matrix, has become as restriction Graphene and strengthen Metal Substrate again
The key factor of condensation material development.Gao Xin is in " preparation of Graphene reinforced aluminum matrix composites and mechanical property research " literary composition
Use the Hummers preparation graphene oxide containing a large amount of negative charges, then use cationic surfactant to process aluminium powder and make
Its surface is with positive charge, and utilizes the mode of electrostatic self-assembled by the absorption of graphene uniform on aluminium powder surface, finally with
The mode of hot pressed sintering prepares aluminum matrix composite, but the addition of the consumption of surfactant, Graphene all can affect burning
Knot performance, relatively big on impacts such as the hardness of material, tensile strength, mechanical properties, quality of materials poor stability.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of auto parts and components aluminum-base composite material
Material.
The present invention is achieved by the following technical solutions:
A kind of auto parts and components aluminum matrix composite, is made up of the raw material of following weight portion: aluminum 95-98, manganese 2.2-3,
Magnesium 1.3-1.5, silicon 0.5-0.8, ferrum 2.2-3, nickel 0.1-0.2, cetyl trimethylammonium bromide 0.06-0.1, graphene oxide
3-5, zircoium hydride 5-8, hexachlorethane 0.6-1, Acetylenogen. 0.6-1.1, aluminium sesquioxide 0.8-1, epoxy resin latex 0.23-
0.3, kieselguhr 0.3-0.35, nanometer stainless steel powder 2.2-3, impurity≤0.01, deionized water are appropriate.
Described a kind of auto parts and components aluminum matrix composite, is made up of following concrete steps:
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6-8 times amount, the aluminium powder being subsequently adding total amount 10% surpasses
Sound dispersion 20-30min, the most at room temperature magnetic agitation 1h, filter, wash, the most standby；Again graphene oxide is added to
Ultrasonic disperse 1h in 50ml deionized water, is added to aluminium powder in the deionized water of 100ml stirring and forms aluminum paste, by graphite oxide
Aqueous solution is added in aluminum paste be stirred continuously, until color becomes colorless transparent, filtration drying is standby；
(2) epoxy resin latex is added in the deionized water of 3 times amount, be heated to while stirring being completely dissolved rear and hexachloroethanc
The mixing of alkane, kieselguhr, Acetylenogen., aluminium sesquioxide is added in high speed mixer, after stirring 10min with the speed of 1000 revs/min
Send into extruding pelletization in comminutor, granule sent in sintering furnace with 10 DEG C/min of ramp to 450 DEG C, sinter 2 hours,
It is standby that taking-up is cooled to room temperature briquet；
(3) residue aluminium powder, manganese, magnesium, silicon, ferrum, nickel mixing are added to ball milling in planetary ball mill, with argon as protective atmosphere,
Crossing 400 mesh sieves after ball milling 4-5h, be then added in smelting furnace be heated to be semisolid, stirring semi solid aluminum Base Metal limit adds nanometer
Stainless steel powder, heating up, it is standby that solid-state mixed slurry is heated to liquid mixed slurry；
(4) the liquid slurry of step (3) is heated to 740-760 DEG C and carries out refine, refining agent bell jar prepared by step (2)
In press-in aluminium alloy, and it is in rotary moving to make even level, and refining time is 10-12min, stands 10-15min, then add after skimming
Enter foaming agent zircoium hydride to stir, pour foaming groove after mix homogeneously into and foam under 620-700 DEG C of argon shield 0.5-2h；
(5) mould is preheated to 220-300 DEG C standby, then mixture prepared by step (1) is placed in mould, by step (4)
The foaming aluminium alloy obtained is poured in mould, and pouring temperature is 650-680 DEG C, then naturally cools to room temperature the most available.
The invention have the advantage that the present invention uses surfactant to process part aluminium powder and makes its lotus that becomes positively charged, then and
Electronegative graphene oxide supersound process so that it is adsorb on aluminium powder surface uniformly, agglomeration does not occur, it is achieved graphite
Alkene is dispersed in aluminum alloy melt, and enhances the intensity of aluminum matrix composite, hardness, tensile strength and mechanical property etc.,
The double deoxidizer added reacts with aluminum alloy melt, has good deoxidation, desulfurization, the effect of carburetting, and adds after refine
Adding foaming agent, melt foaming processes and makes material and parent metal reaction fully, and the compatibility is good, and preparation cost is low, technique letter
Single；Aluminum matrix composite prepared by the present invention has high-wear resistance and good heat crack resistance, has for auto parts and components
There is a preferable security performance, and reduce use and the maintenance cost of automobile, can be mass-produced, be worthy to be popularized.
Detailed description of the invention
A kind of auto parts and components aluminum matrix composite, is made up of the raw material of following weight portion (kilogram): aluminum 95, manganese
2.2, magnesium 1.3, silicon 0.5, ferrum 2.2, nickel 0.1, cetyl trimethylammonium bromide 0.06, graphene oxide 3, zircoium hydride 5, chlordene
Ethane 0.6, Acetylenogen. 0.6, aluminium sesquioxide 0.8, epoxy resin latex 0.23, kieselguhr 0.3, nanometer stainless steel powder 2.2, miscellaneous
Matter≤0.01, deionized water are appropriate.
Described a kind of auto parts and components aluminum matrix composite, is made up of following concrete steps:
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6 times amount, the aluminium powder being subsequently adding total amount 10% is ultrasonic
Dispersion 20min, the most at room temperature magnetic agitation 1h, filter, wash, the most standby；Again graphene oxide is added to 50ml
Ultrasonic disperse 1h in deionized water, is added to aluminium powder in the deionized water of 100ml stirring and forms aluminum paste, by graphene oxide water
Solution is added in aluminum paste be stirred continuously, until color becomes colorless transparent, filtration drying is standby；
(2) epoxy resin latex is added in the deionized water of 3 times amount, be heated to while stirring being completely dissolved rear and hexachloroethanc
The mixing of alkane, kieselguhr, Acetylenogen., aluminium sesquioxide is added in high speed mixer, after stirring 10min with the speed of 1000 revs/min
Send into extruding pelletization in comminutor, granule sent in sintering furnace with 10 DEG C/min of ramp to 450 DEG C, sinter 2 hours,
It is standby that taking-up is cooled to room temperature briquet；
(3) residue aluminium powder, manganese, magnesium, silicon, ferrum, nickel mixing are added to ball milling in planetary ball mill, with argon as protective atmosphere,
Crossing 400 mesh sieves after ball milling 4h, be then added in smelting furnace be heated to be semisolid, stirring semi solid aluminum Base Metal limit adds nanometer not
Rust comminuted steel shot, heating up, it is standby that solid-state mixed slurry is heated to liquid mixed slurry；
(4) the liquid slurry of step (3) is heated to 740 DEG C and carries out refine, refining agent bell jar prepared by step (2) is pressed into
In aluminium alloy, and it is in rotary moving to make even level, and refining time is 10min, stands 10min, add foaming agent hydrogen after skimming
Change zirconium to stir, pour foaming groove after mix homogeneously into and foam under 620 DEG C of argon shields 0.5h；
(5) mould is preheated to 220 DEG C standby, then mixture prepared by step (1) is placed in mould, step (4) is obtained
Foaming aluminium alloy be poured in mould, pouring temperature is 650 DEG C, then naturally cools to room temperature the most available.
The aluminum matrix composite preparing embodiment carries out performance test, and result is as follows:
Yield strength: 216MPa；Tensile strength: 245MPa；Have no progeny percentage of total elongation: 23.2%；Impact strength: 43J.
Claims (2)
1. an auto parts and components aluminum matrix composite, it is characterised in that be made up of the raw material of following weight portion: aluminum
95-98, manganese 2.2-3, magnesium 1.3-1.5, silicon 0.5-0.8, ferrum 2.2-3, nickel 0.1-0.2, cetyl trimethylammonium bromide 0.06-
0.1, graphene oxide 3-5, zircoium hydride 5-8, hexachlorethane 0.6-1, Acetylenogen. 0.6-1.1, aluminium sesquioxide 0.8-1, epoxy
Resin emulsion 0.23-0.3, kieselguhr 0.3-0.35, nanometer stainless steel powder 2.2-3, impurity≤0.01, deionized water are appropriate.
A kind of auto parts and components aluminum matrix composite, it is characterised in that by following concrete steps
Preparation is made:
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6-8 times amount, the aluminium powder being subsequently adding total amount 10% surpasses
Sound dispersion 20-30min, the most at room temperature magnetic agitation 1h, filter, wash, the most standby；Again graphene oxide is added to
Ultrasonic disperse 1h in 50ml deionized water, is added to aluminium powder in the deionized water of 100ml stirring and forms aluminum paste, by graphite oxide
Aqueous solution is added in aluminum paste be stirred continuously, until color becomes colorless transparent, filtration drying is standby；
(2) epoxy resin latex is added in the deionized water of 3 times amount, be heated to while stirring being completely dissolved rear and hexachloroethanc
The mixing of alkane, kieselguhr, Acetylenogen., aluminium sesquioxide is added in high speed mixer, after stirring 10min with the speed of 1000 revs/min
Send into extruding pelletization in comminutor, granule sent in sintering furnace with 10 DEG C/min of ramp to 450 DEG C, sinter 2 hours,
It is standby that taking-up is cooled to room temperature briquet；
(3) residue aluminium powder, manganese, magnesium, silicon, ferrum, nickel mixing are added to ball milling in planetary ball mill, with argon as protective atmosphere,
Crossing 400 mesh sieves after ball milling 4-5h, be then added in smelting furnace be heated to be semisolid, stirring semi solid aluminum Base Metal limit adds nanometer
Stainless steel powder, heating up, it is standby that solid-state mixed slurry is heated to liquid mixed slurry；
(4) the liquid slurry of step (3) is heated to 740-760 DEG C and carries out refine, refining agent bell jar prepared by step (2)
In press-in aluminium alloy, and it is in rotary moving to make even level, and refining time is 10-12min, stands 10-15min, then add after skimming
Enter foaming agent zircoium hydride to stir, pour foaming groove after mix homogeneously into and foam under 620-700 DEG C of argon shield 0.5-2h；
(5) mould is preheated to 220-300 DEG C standby, then mixture prepared by step (1) is placed in mould, by step (4)
The foaming aluminium alloy obtained is poured in mould, and pouring temperature is 650-680 DEG C, then naturally cools to room temperature the most available.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610549669.5A CN106065441A (en) | 2016-07-13 | 2016-07-13 | A kind of auto parts and components aluminum matrix composite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610549669.5A CN106065441A (en) | 2016-07-13 | 2016-07-13 | A kind of auto parts and components aluminum matrix composite |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672702A (en) * | 2018-05-21 | 2018-10-19 | 宁波市奇强精密冲件有限公司 | Damper knuckle support |
| CN109778040A (en) * | 2019-04-04 | 2019-05-21 | 吉林大学 | A kind of graphene enhancing prealloy base diamond composite material and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081310A (en) * | 2015-08-31 | 2015-11-25 | 哈尔滨理工大学 | Method for preparing grapheme reinforced aluminum matrix composite material |
| CN105177365A (en) * | 2015-08-19 | 2015-12-23 | 合肥市田源精铸有限公司 | Novel aluminum alloy material |
| CN105463224A (en) * | 2015-11-25 | 2016-04-06 | 陕西理工学院 | TiCx-Al2O3-TiAl3/Al base composite material and manufacturing method thereof |
-
2016
- 2016-07-13 CN CN201610549669.5A patent/CN106065441A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105177365A (en) * | 2015-08-19 | 2015-12-23 | 合肥市田源精铸有限公司 | Novel aluminum alloy material |
| CN105081310A (en) * | 2015-08-31 | 2015-11-25 | 哈尔滨理工大学 | Method for preparing grapheme reinforced aluminum matrix composite material |
| CN105463224A (en) * | 2015-11-25 | 2016-04-06 | 陕西理工学院 | TiCx-Al2O3-TiAl3/Al base composite material and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672702A (en) * | 2018-05-21 | 2018-10-19 | 宁波市奇强精密冲件有限公司 | Damper knuckle support |
| CN109778040A (en) * | 2019-04-04 | 2019-05-21 | 吉林大学 | A kind of graphene enhancing prealloy base diamond composite material and preparation method |
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Application publication date: 20161102 |
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