CN106191538A - A kind of aluminum matrix composite for automotive seat - Google Patents
A kind of aluminum matrix composite for automotive seat Download PDFInfo
- Publication number
- CN106191538A CN106191538A CN201610549702.4A CN201610549702A CN106191538A CN 106191538 A CN106191538 A CN 106191538A CN 201610549702 A CN201610549702 A CN 201610549702A CN 106191538 A CN106191538 A CN 106191538A
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- China
- Prior art keywords
- added
- aluminum
- deionized water
- standby
- automotive seat
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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
-
- 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
- C22C1/08—Alloys with open or closed pores
- C22C1/083—Foaming process in molten metal other than by powder metallurgy
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of aluminum matrix composite for automotive seat, be made up of the raw material of following weight portion: silicon 68, copper 1.3 2, magnesium 0.2 0.4, titanium 0.16 0.2, boron 0.02 0.03, germanium 0.05 0.07, aluminum 95 98, cetyl trimethylammonium bromide 0.06 0.1, graphene oxide 35, zircoium hydride 58, hexachlorethane 0.67 1, polyvinylpyrrolidone 0.22 0.25, Acetylenogen. 0.2 0.3, carborundum 1.1 1.4, impurity≤0.01, deionized water are appropriate；The aluminum alloy materials intensity of the present invention is high, wearability is good, to thermally-stabilised, good stability of the dimension, have certain ductility, to be easy to machine-shaping, resistance to corrosion strong, has advantage durable, that load is high, great using value when automotive seat.
Description
Technical field
The present invention relates to technical field of automobile parts, particularly relate to a kind of aluminum matrix composite for automotive seat.
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 aluminum-base composite material for automotive seat
Material.
The present invention is achieved by the following technical solutions:
A kind of aluminum matrix composite for automotive seat, is made up of the raw material of following weight portion: silicon 6-8, copper 1.3-2,
Magnesium 0.2-0.4, titanium 0.16-0.2, boron 0.02-0.03, germanium 0.05-0.07, aluminum 95-98, cetyl trimethylammonium bromide
0.06-0.1, graphene oxide 3-5, zircoium hydride 5-8, hexachlorethane 0.67-1, polyvinylpyrrolidone 0.22-0.25, carbonization
Calcium 0.2-0.3, carborundum 1.1-1.4, impurity≤0.01, deionized water are appropriate.
Described a kind of aluminum matrix composite for automotive seat, 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) polyvinylpyrrolidone 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, Acetylenogen. is added in high speed mixer, sends into extrude in comminutor and make after stirring 10min with the speed of 1000 revs/min
Grain, sends into granule in sintering furnace with 10 DEG C/min of ramp to 450 DEG C, sinter 2 hours, takes out and is cooled to room temperature and suppresses
In bulk is standby；
(3) residue aluminium powder, silicon, magnesium, copper, titanium, boron, germanium mixing are added to ball milling in planetary ball mill, with argon as protection gas
Atmosphere, crosses 400 mesh sieves after ball milling 4-5h, be then added in smelting furnace be heated to be semisolid, and stirring semi solid aluminum Base Metal limit adds
Nanometer silicon carbide, 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；The aluminum alloy materials intensity of the present invention is high, wearability is good, to thermally-stabilised, good stability of the dimension, have certain ductility, just
In machine-shaping, resistance to corrosion by force, there is when automotive seat advantage durable, that load is high, great using value.
Detailed description of the invention
A kind of aluminum matrix composite for automotive seat, is made up of the raw material of following weight portion (kilogram): silicon 6,
Copper 1.3, magnesium 0.2, titanium 0.16, boron 0.02, germanium 0.05, aluminum 95, cetyl trimethylammonium bromide 0.06, graphene oxide 3, hydrogen
Change zirconium 5, hexachlorethane 0.67, polyvinylpyrrolidone 0.22, Acetylenogen. 0.2, carborundum 1.1, impurity≤0.01, deionized water
In right amount.
Described a kind of aluminum matrix composite for automotive seat, 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) polyvinylpyrrolidone 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, Acetylenogen. is added in high speed mixer, sends into extrude in comminutor and make after stirring 10min with the speed of 1000 revs/min
Grain, sends into granule in sintering furnace with 10 DEG C/min of ramp to 450 DEG C, sinter 2 hours, takes out and is cooled to room temperature and suppresses
In bulk is standby；
(3) residue aluminium powder, silicon, magnesium, copper, titanium, boron, germanium mixing are added to ball milling in planetary ball mill, with argon as protection gas
Atmosphere, crosses 400 mesh sieves after ball milling 4h, be then added in smelting furnace be heated to be semisolid, and stirring semi solid aluminum Base Metal limit adds to be received
Rice carborundum, 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: 234MPa；Tensile strength: 265MPa；Have no progeny percentage of total elongation: 21%；Impact strength: 46J.
Claims (2)
1. the aluminum matrix composite for automotive seat, it is characterised in that be made up of the raw material of following weight portion: silicon
6-8, copper 1.3-2, magnesium 0.2-0.4, titanium 0.16-0.2, boron 0.02-0.03, germanium 0.05-0.07, aluminum 95-98, cetyl front three
Base ammonium bromide 0.06-0.1, graphene oxide 3-5, zircoium hydride 5-8, hexachlorethane 0.67-1, polyvinylpyrrolidone 0.22-
0.25, Acetylenogen. 0.2-0.3, carborundum 1.1-1.4, impurity≤0.01, deionized water are appropriate.
A kind of aluminum matrix composite for automotive seat, it is characterised in that by following concrete step
Suddenly make:
(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) polyvinylpyrrolidone 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, Acetylenogen. is added in high speed mixer, sends into extrude in comminutor and make after stirring 10min with the speed of 1000 revs/min
Grain, sends into granule in sintering furnace with 10 DEG C/min of ramp to 450 DEG C, sinter 2 hours, takes out and is cooled to room temperature and suppresses
In bulk is standby；
(3) residue aluminium powder, silicon, magnesium, copper, titanium, boron, germanium mixing are added to ball milling in planetary ball mill, with argon as protection gas
Atmosphere, crosses 400 mesh sieves after ball milling 4-5h, be then added in smelting furnace be heated to be semisolid, and stirring semi solid aluminum Base Metal limit adds
Nanometer silicon carbide, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549702.4A CN106191538A (en) | 2016-07-13 | 2016-07-13 | A kind of aluminum matrix composite for automotive seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549702.4A CN106191538A (en) | 2016-07-13 | 2016-07-13 | A kind of aluminum matrix composite for automotive seat |
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| Publication Number | Publication Date |
|---|---|
| CN106191538A true CN106191538A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610549702.4A Pending CN106191538A (en) | 2016-07-13 | 2016-07-13 | A kind of aluminum matrix composite for automotive seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532195A (en) * | 2023-11-29 | 2024-02-09 | 江苏港缆新材料科技有限公司 | High-temperature-resistant and wear-resistant aluminum-magnesium alloy welding wire and preparation process thereof |
Citations (1)
| 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 |
-
2016
- 2016-07-13 CN CN201610549702.4A patent/CN106191538A/en active Pending
Patent Citations (1)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532195A (en) * | 2023-11-29 | 2024-02-09 | 江苏港缆新材料科技有限公司 | High-temperature-resistant and wear-resistant aluminum-magnesium alloy welding wire and preparation process thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |