CN105838933A - High-impacting-resistance composite material for automobile parts - Google Patents
High-impacting-resistance composite material for automobile parts Download PDFInfo
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- CN105838933A CN105838933A CN201610308597.5A CN201610308597A CN105838933A CN 105838933 A CN105838933 A CN 105838933A CN 201610308597 A CN201610308597 A CN 201610308597A CN 105838933 A CN105838933 A CN 105838933A
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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
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
-
- 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
- C22C32/0084—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 carbon or graphite as the main non-metallic constituent
Abstract
The invention discloses a high-impacting-resistance composite material for automobile parts. The high-impacting-resistance composite material for the automobile parts is prepared from, by weight, 95-98 parts of aluminum, 0.3-0.4 part of manganese, 0.3-0.4 part of zinc, 0.1-0.2 part of chrome, 0.1-0.2 part of strontium, 2-2.6 parts of silicon, 0.8-1 part of copper, 0.06-0.1 part of hexadecyl trimethyl ammonium bromide, 3-5 parts of graphene oxide, 5-8 parts of zirconium hydride, 0.92-1.3 parts of hexachloroethane, 0.5-0.6 part of coal ash, 0.22-0.3 part of dextrin, 0.3-0.5 part of iron powder, 0.23-0.3 part of magnesium oxide, 0.6-0.9 part of nano zirconium tungstate, not larger than 0.01 part of impurities and the balance an appropriate amount of deionized water. The alloy material is high in impacting resistance, meanwhile, toughness and ductility are improved, the casting performance is better, and the material is used for crack resistance of the automobile parts and durable and has extremely high using value.
Description
Technical field
The present invention relates to technical field of automobile parts, particularly relate to a kind of high impact resistance automobile component 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 elevated temperatures, has therefore suffered from paying close attention to widely.Conventional particle enhanced aluminum-based composite material technology of preparing has powder metallurgic method and 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, can produce the composite of large volume, and 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 reinforcement because of it.But Graphene is very easy to reunite in metallic matrix, has become as the key factor of restriction graphene reinforced metal-matrix composite development.Gao Xin uses the Hummers preparation graphene oxide containing a large amount of negative electrical charges in " preparation of Graphene reinforced aluminum matrix composites and mechanical property research " literary composition, then using cationic surfactant to process aluminium powder makes its surface with positive charge, and utilize the mode of electrostatic self-assembled by the absorption of graphene uniform on aluminium powder surface, finally in the way of hot pressed sintering, prepare aluminum matrix composite, but the consumption of surfactant, the addition of Graphene all can affect sintering character, hardness to material, tensile strength, the impact such as mechanical property is bigger, 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 high impact resistance automobile component composite.
The present invention is achieved by the following technical solutions:
A kind of high impact resistance automobile component composite, is made up of the raw material of following weight portion: aluminium 95-98, manganese 0.3-0.4, zinc 0.3-0.4, chromium 0.1-0.2, strontium 0.1-0.2, silicon 2-2.6, copper 0.8-1, cetyl trimethylammonium bromide 0.06-0.1, graphene oxide 3-5, zircoium hydride 5-8, carbon trichloride 0.92-1.3, flyash 0.5-0.6, dextrin 0.22-0.3, iron powder 0.3-0.5, magnesia 0.23-0.3, nanometer tungsten wire array 0.6-0.9, impurity≤0.01, deionized water are appropriate.
Described one high impact resistance automobile component composite, is made up of following concrete steps:
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6-8 times amount, it is subsequently adding the aluminium powder ultrasonic disperse 20-30min of total amount 10%, the most at room temperature magnetic agitation 1h, filters, wash, the most standby；Graphene oxide being added to ultrasonic disperse 1h again in 50ml deionized water, aluminium powder is added in the deionized water of 100ml stirring and forms aluminum paste, be added to graphene oxide water solution in aluminum paste be stirred continuously, until color becomes colorless transparent, filtration drying is standby；
(2) dextrin is added in the deionized water of 3 times amount; mix with carbon trichloride, flyash, magnesia after being heated to while stirring being completely dissolved and be added in high speed mixer; extruding pelletization in comminutor is sent into after stirring 10min with the speed of 1000 revs/min; particle is sent in sintering furnace with 10 DEG C/min of ramp to 450 DEG C; sintering 2 hours, it is standby that taking-up is cooled to room temperature briquet；
(3) residue aluminium powder, manganese, zinc, chromium, strontium, silicon, copper, iron powder mixing are added to ball milling in planetary ball mill; with argon gas as protective atmosphere; 400 mesh sieves are crossed after ball milling 4-5h; it is then added in smelting furnace be heated to be semisolid; stirring semi solid aluminum Base Metal limit adds nanometer tungsten wire array, and 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 refine; in refining agent bell jar press-in aluminium alloy prepared by step (2); and it is in rotary moving to make even level; refining time is 10-12min; 10-15min is stood after skimming; add foaming agent zircoium hydride to stir, pour foaming groove after mixing 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, the foaming aluminium alloy that step (4) obtains is poured in mould, 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 ultrasonically treated with electronegative graphene oxide, it is made to adsorb on aluminium powder surface uniformly, there is not agglomeration, realize Graphene dispersed in aluminum alloy melt, and enhance the intensity of aluminum matrix composite, hardness, tensile strength and mechanical property etc., the double deoxidizer added reacts with aluminum alloy melt, there is good deoxidation, desulfurization, the effect of carburetting, and after refining, add foaming agent, melt foaming processes and makes material and parent metal reaction fully, compatibility is good, and preparation cost is low, technique is simple；The alloy material of the present invention not only impact resistance is high, gets a promotion in terms of toughness and ductility simultaneously, casting character more preferably, for automobile component cracking resistance, durable in use, great use value.
Detailed description of the invention
A kind of high impact resistance automobile component composite, is made up of the raw material of following weight portion (kilogram): aluminium 95, manganese 0.3, zinc 0.3, chromium 0.1, strontium 0.1, silicon 2, copper 0.8, cetyl trimethylammonium bromide 0.06, graphene oxide 3, zircoium hydride 5, carbon trichloride 0.92, flyash 0.5, dextrin 0.22, iron powder 0.3, magnesia 0.23, nanometer tungsten wire array 0.6, impurity≤0.01, deionized water are appropriate.
Described one high impact resistance automobile component composite, is made up of following concrete steps:
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6 times amount, it is subsequently adding the aluminium powder ultrasonic disperse 20min of total amount 10%, the most at room temperature magnetic agitation 1h, filters, wash, the most standby；Graphene oxide being added to ultrasonic disperse 1h again in 50ml deionized water, aluminium powder is added in the deionized water of 100ml stirring and forms aluminum paste, be added to graphene oxide water solution in aluminum paste be stirred continuously, until color becomes colorless transparent, filtration drying is standby；
(2) dextrin is added in the deionized water of 3 times amount; mix with carbon trichloride, flyash, magnesia after being heated to while stirring being completely dissolved and be added in high speed mixer; extruding pelletization in comminutor is sent into after stirring 10min with the speed of 1000 revs/min; particle is sent in sintering furnace with 10 DEG C/min of ramp to 450 DEG C; sintering 2 hours, it is standby that taking-up is cooled to room temperature briquet；
(3) residue aluminium powder, manganese, zinc, chromium, strontium, silicon, copper, iron powder mixing are added to ball milling in planetary ball mill; with argon gas as protective atmosphere; 400 mesh sieves are crossed after ball milling 4h; it is then added in smelting furnace be heated to be semisolid; stirring semi solid aluminum Base Metal limit adds nanometer tungsten wire array, and 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 refine; in refining agent bell jar press-in aluminium alloy prepared by step (2); and it is in rotary moving to make even level; refining time is 10min; 10min is stood after skimming; add foaming agent zircoium hydride to stir, pour foaming groove after mixing 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, the foaming aluminium alloy that step (4) obtains is 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: 221.3MPa；Tensile strength: 258MPa；Have no progeny percentage of total elongation: 20.4%；Impact strength: 43J.
Claims (2)
1. one kind high impact resistance automobile component composite, it is characterized in that, be made up of the raw material of following weight portion: aluminium 95-98, manganese 0.3-0.4, zinc 0.3-0.4, chromium 0.1-0.2, strontium 0.1-0.2, silicon 2-2.6, copper 0.8-1, cetyl trimethylammonium bromide 0.06-0.1, graphene oxide 3-5, zircoium hydride 5-8, carbon trichloride 0.92-1.3, flyash 0.5-0.6, dextrin 0.22-0.3, iron powder 0.3-0.5, magnesia 0.23-0.3, nanometer tungsten wire array 0.6-0.9, impurity≤0.01, deionized water are appropriate.
A kind of high impact resistance automobile component composite, it is characterised in that be made up of following concrete steps:
(1) by the cetyl trimethylammonium bromide deionized water dissolving of 6-8 times amount, it is subsequently adding the aluminium powder ultrasonic disperse 20-30min of total amount 10%, the most at room temperature magnetic agitation 1h, filters, wash, the most standby；Graphene oxide being added to ultrasonic disperse 1h again in 50ml deionized water, aluminium powder is added in the deionized water of 100ml stirring and forms aluminum paste, be added to graphene oxide water solution in aluminum paste be stirred continuously, until color becomes colorless transparent, filtration drying is standby；
(2) dextrin is added in the deionized water of 3 times amount; mix with carbon trichloride, flyash, magnesia after being heated to while stirring being completely dissolved and be added in high speed mixer; extruding pelletization in comminutor is sent into after stirring 10min with the speed of 1000 revs/min; particle is sent in sintering furnace with 10 DEG C/min of ramp to 450 DEG C; sintering 2 hours, it is standby that taking-up is cooled to room temperature briquet；
(3) residue aluminium powder, manganese, zinc, chromium, strontium, silicon, copper, iron powder mixing are added to ball milling in planetary ball mill; with argon gas as protective atmosphere; 400 mesh sieves are crossed after ball milling 4-5h; it is then added in smelting furnace be heated to be semisolid; stirring semi solid aluminum Base Metal limit adds nanometer tungsten wire array, and 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 refine; in refining agent bell jar press-in aluminium alloy prepared by step (2); and it is in rotary moving to make even level; refining time is 10-12min; 10-15min is stood after skimming; add foaming agent zircoium hydride to stir, pour foaming groove after mixing 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, the foaming aluminium alloy that step (4) obtains is poured in mould, 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 |
|---|---|---|---|
| CN201610308597.5A CN105838933A (en) | 2016-05-11 | 2016-05-11 | High-impacting-resistance composite material for automobile parts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610308597.5A CN105838933A (en) | 2016-05-11 | 2016-05-11 | High-impacting-resistance composite material for automobile parts |
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| CN105838933A true CN105838933A (en) | 2016-08-10 |
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| CN201610308597.5A Pending CN105838933A (en) | 2016-05-11 | 2016-05-11 | High-impacting-resistance composite material for automobile parts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678342A (en) * | 2017-03-29 | 2017-05-17 | 四川鸿森达铝业科技有限公司 | Novel intelligent long service life high-end decelerator |
| CN109423567A (en) * | 2017-08-29 | 2019-03-05 | 宜兴市韦德同机械科技有限公司 | A kind of crystal growing furnace feeder material |
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| CN102373344A (en) * | 2010-08-13 | 2012-03-14 | 东北大学 | Preparation method and device of metal foam material |
| CN105063401A (en) * | 2015-06-25 | 2015-11-18 | 中国航空工业集团公司北京航空材料研究院 | Preparation method of aluminum base graphene alloy |
| 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 |
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2016
- 2016-05-11 CN CN201610308597.5A patent/CN105838933A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719915A (en) * | 2005-07-19 | 2006-01-11 | 廖用铁 | Method and system for implementing information propagating by short message |
| CN102373344A (en) * | 2010-08-13 | 2012-03-14 | 东北大学 | Preparation method and device of metal foam material |
| CN105063401A (en) * | 2015-06-25 | 2015-11-18 | 中国航空工业集团公司北京航空材料研究院 | Preparation method of aluminum base graphene alloy |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678342A (en) * | 2017-03-29 | 2017-05-17 | 四川鸿森达铝业科技有限公司 | Novel intelligent long service life high-end decelerator |
| CN109423567A (en) * | 2017-08-29 | 2019-03-05 | 宜兴市韦德同机械科技有限公司 | A kind of crystal growing furnace feeder material |
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Application publication date: 20160810 |
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