CN106521217A - Composite material for automobile parts - Google Patents
Composite material for automobile parts Download PDFInfo
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- CN106521217A CN106521217A CN201610995566.1A CN201610995566A CN106521217A CN 106521217 A CN106521217 A CN 106521217A CN 201610995566 A CN201610995566 A CN 201610995566A CN 106521217 A CN106521217 A CN 106521217A
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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
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- 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
- C22C1/088—Foaming process with solid metal other than by powder metallurgy
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a composite material for automobile parts. The composite material is composed of, by weight, 92-95% of aluminum, 0.05-0.07% of actinium, 0.2-0.3% of manganese, 2-2.5% of iron, 0.1-0.2% of boron, 0.2-0.25% of carbon, 1.5-2% of molybdenum disulfide, 0.3-0.35% of magnesium, 0.05-0.1% of hexadecyl trimethyl ammonium bromide, 4-5% of oxidized graphene, 6-10% of zirconium hydride, 0.5-1% of hexachloroethane, 0.35-0.55% of calcium silicide, 0.8-1% of montmorillonoid, 0.2-0.4% of Arabic gum, 0.3-0.5% of magnesium oxide, 2-2.5% of activated aluminum oxide, 0-0.01% of impurities and an appropriate amount of deionized water. Aluminum products made of the composite material have the advantages that the strength, the hardness and the high-temperature heat stability are high. In addition, raw materials are easy to obtain, the processing cost is low, the preparation technology is simple, parameters are easy to control, the production process is safe and friendly to environment, and therefore the composite material is suitable for large-scale industrial production.
Description
Technical field
A kind of the present invention relates to technical field of automobile parts, more particularly to composite for auto parts and components.
Background technology
Aluminum matrix composite has high specific strength, specific stiffness, than elastic modelling quantity, while also having preferably wear-resisting, resistance to
High-temperature behavior, has therefore suffered from extensive concern.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, are 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 process is simple, it is easy to operate, can be with
The composite of production large volume, equipment investment are few, and low production cost is suitable for mass production.
Graphene has very excellent physical property and mechanical performance because of which, it is considered to be optimal metal_based material
Reinforcement.But Graphene is very easy to reunion in metallic matrix, restriction Graphene enhancing Metal Substrate is had become multiple
The key factor of condensation material development.Graphene oxide containing a large amount of negative charges is prepared using Hummers, then using cation
Surfactant processes aluminium powder and makes its surface with positive charge, and using electrostatic self-assembled mode by the suction of graphene uniform
Aluminium powder surface is attached to, aluminum matrix composite is finally prepared in the way of hot pressed sintering, but the consumption of surfactant, Graphene
Addition can all affect sintering character, hardness, tensile strength, mechanical property on material etc. affect it is larger, quality of materials is steady
Qualitative difference.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of quenching of the wear-resisting class part of automobile.
The present invention is achieved by the following technical solutions：
A kind of composite for auto parts and components, is made up of the raw material of following weight portion：Aluminum 92-95, actinium
0.05-0.07, manganese 0.2-0.3, ferrum 2-2.5, boron 0.1-0.2, carbon 0.2-0.25, molybdenum bisuphide 1.5-2, magnesium 0.3-0.35, ten
Six alkyl trimethyl ammonium bromide 0.05-0.1, graphene oxide 4-5, zircoium hydride 6-10, hexachlorethane 0.5-1, calcium silicide 0.35-
0.55th, montmorillonite 0.8-1, arabic gum 0.2-0.4, magnesium oxide 0.3-0.5, activated alumina 2-2.5, impurity≤0.01, go
Ion appropriate amount of water.
A kind of composite for auto parts and components, is made up of following concrete steps：
The deionized water dissolving that cetyl trimethylammonium bromide is measured with 6-9 times, is subsequently adding the aluminium powder of total amount 15%
Ultrasonic disperse 20-30min, then magnetic agitation 1.5h at room temperature, filter, washing, be dried after it is standby；Again by graphene oxide
Ultrasonic disperse 1h in 60ml deionized waters is added to, stirring during aluminium powder to be added to the deionized water of 150ml forms aluminum paste, will oxidation
Graphene aqueous solution is stirred continuously in being added to aluminum paste, is become colorless up to color transparent, and filtration drying is standby；
(2), during arabic gum to be added the deionized water of 2.5 times of amounts, it is heated to while stirring being completely dissolved rear and hexachloroethanc
Alkane, calcium silicide, montmorillonite, magnesium oxide mixing are added in high speed mixer, to send into after 1000 revs/min of speed stirring 15min
Extruding pelletization in comminutor, granule is sent in sintering furnace with 8 DEG C/min of ramps to 450 DEG C, sinters 2.5 hours, takes out
It is cooled to room temperature briquet standby；
(3) remaining aluminium powder, actinium, manganese, ferrum, boron, carbon, magnesium, molybdenum bisuphide mixing are added to into ball milling in planetary ball mill, use argon
Gas crosses 400 mesh sieves as protective atmosphere, after ball milling 4-5h, is heated to be semisolid in being then added to smelting furnace, stirs semi solid aluminum
Base Metal side adds activated alumina, and it is standby that solid-state mixed slurry is heated to liquid mixed slurry by intensification；
(4) the liquid slurry of step (3) is heated to 760-770 DEG C carries out refine, and refining agent prepared by step (2) is used
In bell jar press-in aluminium alloy, and make that even level is in rotary moving, refining time is 10-15min, stands 10-15min after skimming,
Add foaming agent zircoium hydride to stir, after mix homogeneously, pour foaming groove foaming 0.5- under 650-700 DEG C of argon protection into
2h；
(5) by mould be preheated to 240-300 DEG C it is standby, then mixture prepared by step (1) is placed in mould, by step
(4) the foaming aluminium alloy for obtaining is poured in mould, and pouring temperature is 650-700 DEG C, is obtained by then naturally cooling to room temperature
Arrive.
It is an advantage of the invention that：The present invention makes its lotus that becomes positively charged, Ran Houhe using surfactant process part aluminium powder
Negatively charged graphene oxide supersound process so as to uniformly adsorb on aluminium powder surface, agglomeration does not occur, graphite is realized
Alkene is dispersed in aluminum alloy melt, and enhances intensity, hardness, tensile strength and mechanical property of aluminum matrix composite etc.,
The double deoxidizer of addition is reacted with aluminum alloy melt, with good deoxidation, desulfurization, carburetting effect, and add after refine
Plus foaming agent, melt foaming processes and causes that material and parent metal reaction are abundant, and the compatibility is good, and preparation cost is low, technique letter
It is single；The present invention provides aluminum alloy materials and has the advantages that preferable intensity, hardness, high high-temp stability；And raw material is easy to get, is processed into
This is low, and preparation process is simple, parameter are easily-controllable, production process safety and environmental protection, is adapted to large-scale industrial production.
Specific embodiment
A kind of composite for auto parts and components, is made up of the raw material of following weight portion (kilogram)：Aluminum 95, actinium
0.04th, manganese 0.22, ferrum 2, boron 0.1, carbon 0.2, molybdenum bisuphide 1, magnesium 0.3, cetyl trimethylammonium bromide 0.06, graphite oxide
Alkene 3, zircoium hydride 5, hexachlorethane 0.75, calcium silicide 0.34, montmorillonite 0.8, arabic gum 0.28, magnesium oxide 0.3, active oxidation
Aluminum 2, impurity≤0.01, appropriate deionized water.
A kind of composite for auto parts and components, is made up of following concrete steps：
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6 times of amounts, it is subsequently adding the aluminium powder of total amount 15%
Ultrasonic disperse 20min, then magnetic agitation 1.5h at room temperature, filter, washing, be dried after it is standby；Again graphene oxide is added
The ultrasonic disperse 1h in 60ml deionized waters, stirring during aluminium powder to be added to the deionized water of 150ml form aluminum paste, will aoxidize stone
Black aqueous solution is stirred continuously in being added to aluminum paste, is become colorless up to color transparent, and filtration drying is standby；
(2), during arabic gum to be added the deionized water of 2.5 times of amounts, it is heated to while stirring being completely dissolved rear and hexachloroethanc
Alkane, calcium silicide, montmorillonite, magnesium oxide mixing are added in high speed mixer, to send into after 1000 revs/min of speed stirring 15min
Extruding pelletization in comminutor, granule is sent in sintering furnace with 8 DEG C/min of ramps to 450 DEG C, sinters 2.5 hours, takes out
It is cooled to room temperature briquet standby；
(3) remaining aluminium powder, actinium, manganese, ferrum, boron, carbon, magnesium, molybdenum bisuphide mixing are added to into ball milling in planetary ball mill, use argon
Gas crosses 400 mesh sieves as protective atmosphere, after ball milling 4.5h, is heated to be semisolid in being then added to smelting furnace, stirs semi solid aluminum
Base Metal side adds activated alumina, and it is standby that solid-state mixed slurry is heated to liquid mixed slurry by intensification；
(4) the liquid slurry of step (3) is heated to 760 DEG C carries out refine, refining agent bell jar prepared by step (2)
In press-in aluminium alloy, and make that even level is in rotary moving, refining time is 13min, stands 13min after skimming, and adds foaming
Agent zircoium hydride stirs, and pours foaming groove foaming 01h under 650 DEG C of argon protections after mix homogeneously into；
(5) by mould be preheated to 240 DEG C it is standby, then mixture prepared by step (1) is placed in mould, by step (4)
The foaming aluminium alloy for obtaining is poured in mould, and pouring temperature is 650 DEG C, then naturally cools to room temperature and is obtained.
Performance test is carried out to aluminum matrix composite prepared by embodiment, it is as a result as follows：
Yield strength：230MPa；Tensile strength：277MPa；Have no progeny percentage of total elongation：21.3%；Impact strength：45J.
Claims (2)
1. a kind of composite for auto parts and components, it is characterised in that be made up of the raw material of following weight portion：Aluminum
92-95, actinium 0.05-0.07, manganese 0.2-0.3, ferrum 2-2.5, boron 0.1-0.2, carbon 0.2-0.25, molybdenum bisuphide 1.5-2, magnesium 0.3-
0.35th, cetyl trimethylammonium bromide 0.05-0.1, graphene oxide 4-5, zircoium hydride 6-10, hexachlorethane 0.5-1, silication
Calcium 0.35-0.55, montmorillonite 0.8-1, arabic gum 0.2-0.4, magnesium oxide 0.3-0.5, activated alumina 2-2.5, impurity≤
0.01st, appropriate deionized water.
2. a kind of composite for auto parts and components according to claim 1, it is characterised in that by following concrete steps
Preparation is made：
(1) deionized water dissolving for measuring cetyl trimethylammonium bromide with 6-9 times, the aluminium powder for being subsequently adding total amount 15% surpass
Sound disperses 20-30min, then magnetic agitation 1.5h at room temperature, filter, washing, be dried after it is standby；Again graphene oxide is added
The ultrasonic disperse 1h in 60ml deionized waters, stirring during aluminium powder to be added to the deionized water of 150ml form aluminum paste, will aoxidize stone
Black aqueous solution is stirred continuously in being added to aluminum paste, is become colorless up to color transparent, and filtration drying is standby；
(2) will during arabic gum adds the deionized waters of 2.5 times of amounts, after being heated to while stirring being completely dissolved and hexachlorethane,
Calcium silicide, montmorillonite, magnesium oxide mixing are added in high speed mixer, to send into pelletize after 1000 revs/min of speed stirring 15min
Extruding pelletization in machine, granule is sent in sintering furnace with 8 DEG C/min of ramps to 450 DEG C, sinters 2.5 hours, takes out cooling
It is standby to room temperature briquet；
(3) remaining aluminium powder, actinium, manganese, ferrum, boron, carbon, magnesium, molybdenum bisuphide mixing are added to into ball milling in planetary ball mill, are made with argon
For protective atmosphere, 400 mesh sieves are crossed after ball milling 4-5h, semisolid is heated to be in being then added to smelting furnace, semi solid aluminum fund is stirred
Category side adds activated alumina, and it is standby that solid-state mixed slurry is heated to liquid mixed slurry by intensification；
(4) the liquid slurry of step (3) is heated to 760-770 DEG C carries out refine, refining agent bell jar prepared by step (2)
In press-in aluminium alloy, and make that even level is in rotary moving, refining time is 10-15min, after skimming, stand 10-15min, then plus
Enter foaming agent zircoium hydride to stir, after mix homogeneously, pour foaming groove foaming 0.5-2h under 650-700 DEG C of argon protection into；
(5) by mould be preheated to 240-300 DEG C it is standby, then mixture prepared by step (1) is placed in mould, by step (4)
The foaming aluminium alloy for obtaining is poured in mould, and pouring temperature is 650-700 DEG C, then naturally cools to room temperature and is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995566.1A CN106521217A (en) | 2016-11-11 | 2016-11-11 | Composite material for automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995566.1A CN106521217A (en) | 2016-11-11 | 2016-11-11 | Composite material for automobile parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106521217A true CN106521217A (en) | 2017-03-22 |
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ID=58351317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995566.1A Withdrawn CN106521217A (en) | 2016-11-11 | 2016-11-11 | Composite material for automobile parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106521217A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641738A (en) * | 2017-09-28 | 2018-01-30 | 哈尔滨工业大学 | A kind of molybdenum disulfide/aluminium composite material and preparation method thereof |
| CN108582920A (en) * | 2018-05-07 | 2018-09-28 | 苏州弗士曼精密机械有限公司 | A kind of corrosion resistant metal product |
| GB2564261B (en) * | 2017-06-27 | 2020-04-29 | Ge Aviat Systems Ltd | Graphene doped aluminium composite and method of forming |
| US10829677B2 (en) | 2017-06-27 | 2020-11-10 | Ge Aviation Systems Limited | Graphene doped aluminum composite and method of forming |
-
2016
- 2016-11-11 CN CN201610995566.1A patent/CN106521217A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2564261B (en) * | 2017-06-27 | 2020-04-29 | Ge Aviat Systems Ltd | Graphene doped aluminium composite and method of forming |
| US10829677B2 (en) | 2017-06-27 | 2020-11-10 | Ge Aviation Systems Limited | Graphene doped aluminum composite and method of forming |
| CN107641738A (en) * | 2017-09-28 | 2018-01-30 | 哈尔滨工业大学 | A kind of molybdenum disulfide/aluminium composite material and preparation method thereof |
| CN107641738B (en) * | 2017-09-28 | 2019-04-26 | 哈尔滨工业大学 | A kind of preparation method of molybdenum disulfide/aluminium composite material |
| CN108582920A (en) * | 2018-05-07 | 2018-09-28 | 苏州弗士曼精密机械有限公司 | A kind of corrosion resistant metal product |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170322 |
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| WW01 | Invention patent application withdrawn after publication |