CN106916989A - A kind of preparation method of the alloy material of active charcoal load silicon nanowires - Google Patents
A kind of preparation method of the alloy material of active charcoal load silicon nanowires Download PDFInfo
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- CN106916989A CN106916989A CN201710167136.5A CN201710167136A CN106916989A CN 106916989 A CN106916989 A CN 106916989A CN 201710167136 A CN201710167136 A CN 201710167136A CN 106916989 A CN106916989 A CN 106916989A
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- silicon nanowires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
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Abstract
The invention discloses a kind of preparation method of the alloy material of active charcoal load silicon nanowires, the present invention lifts the antistatic effect of alloy material using activated carbon supported silicon nanowires is added in the alloy, the present invention uses the silicon nanowires after the activated carbon supported treatment through silane coupler, improve load capacity of the activated carbon to silicon nanowires, increase its antistatic effect, alloy is first processed into Al-Mg alloy foam prefabricated component on present invention process, and antistatic filler vacuum is oozed into product in alloy components, again by finished product after double sintering, this technological process improves agglomeration of the antistatic filler in alloy material, its degree of scatter is higher, so as to possess more preferable antistatic effect.
Description
Technical field
The present invention relates to anti-static material manufacture field, and in particular to a kind of active charcoal loads the alloy of silicon nanowires
The preparation method of material.
Background technology
Preferable electronic package material will possess good, the enough intensity of low thermal coefficient of expansion, high heat conduction, air-tightness and just
The advantages of spending, be easy to machine-shaping and welding and lightweight light weight, a few class wrapper materials commonly used at present mainly have Plastic Package
Material, ceramic packaging material, Materials for Metal Packaging and several major classes of metal-base composites, wherein metal-based compound electronics are encapsulated
Material has the advantages that intensity is high, the good focus as industry research of thermal conductivity, especially aluminium based metal material, its lightweight it is excellent
Point is extensively favored in automotive field, and the combination property for improving aluminum-based packaging material is also study hotspot, especially at antistatic aspect
Research, at present be even more extensively paid attention to.
Electrostatic, is a kind of electric charge for remaining static.When accumulation is formed on certain object or during surface
Electrostatic, and electric charge is divided into two kinds of positive charge and negative electrical charge, that is to say, that electrostatic phenomenon is also classified into two kinds of i.e. positive electrostatic and negative electrostatic.
Positive electrostatic is formed when positive charge is gathered on certain object, is formed bearing when negative electrical charge is gathered on certain object
Electrostatic, but either positive electrostatic still bears electrostatic, when static electrification object contacts zero potential object（Ground connection object）Or have electricity with it
Electric charge transfer can all occur, being exactly that we are daily sees spark static discharge phenomenon during the object of potential difference.
In the current growing electronics industry epoch, various microelectronics, photoelectron original paper application widely, and electrostatic is put
Electrical property, destruction electronic system that electric energy enough destroys electronic original part, changes semiconductor components and devices, cause whole equipment failure or mistake
Spirit；At the same time, electrostatic spark is produced when electrostatic charge discharges, equipment of Flammable and Explosive Materials of easily igniting causes considerable risk and warp
Ji loss；Additionally, electrostatic is easily to foul is sucked in clean environment, such as dust, foreign particles, easily make to contact with each other
Product stick together, these can all cause great loss.
Addition activated carbon is the effective ways for improving alloy material material surface electrical conductivity, and improves alloy material volume electricity
Conductance can be using addition conductive filler or the technology being blended with other electroconductive molecules.Addition conductive filler method, this kind of method is usual
It is by various inorganic conductive fillers incorporation alloy material matrix.Have with antistatic alloy composite materials obtained in the technology at present
There is use value very high, wherein much having been carried out commercialization abroad.
The content of the invention
The present invention provides a kind of preparation method of the alloy material of active charcoal load silicon nanowires, and the present invention is used
Add activated carbon supported silicon nanowires in alloy to lift the antistatic effect of alloy material, the present invention uses activated carbon supported warp
Silicon nanowires after silane coupler treatment, improves activated carbon to the load capacity of silicon nanowires, increases its antistatic effect, this hair
Alloy is first processed into Al-Mg alloy foam prefabricated component in bright technique, and antistatic filler vacuum is oozed long-pending in alloy components, then
By finished product after double sintering, this technological process improves agglomeration of the antistatic filler in alloy material, its
Degree of scatter is higher, so as to possess more preferable antistatic effect.
To achieve these goals, the invention provides a kind of system of the alloy material of active charcoal load silicon nanowires
Preparation Method, the method comprises the following steps：
（1）Prepare activated carbon supported silicon nanowires
The small porcelain boat that will be equipped with nanometer silicon monoxide powder is placed horizontally in the middle of alumina tube, and the pipe then is placed on into high temperature pipe
In formula stove, vacuumize in 20-50Pa, be then incubated 900-1000 DEG C of temperature and respectively 60-80min, 1300- is warmed up to afterwards
1400 DEG C of insulation 4-6h；500-600 DEG C is cooled to the speed of 10-15 DEG C/min and be incubated 30-40min afterwards, while with
60sccm blasts air to furnace chamber, naturally cools to room temperature, obtains silicon nanowires, standby；
Silane coupler is added to deionized water, and 30-50min is stirred at room temperature, afterwards to 3.5 with vinegar acid for adjusting pH
The silicon nanowires is added, in 85-95 DEG C of back flow reaction 15-20h, suction filtration, washing, drying, the silicon nanowires after being coupled
Compound；
Silicon nanowires compound after the coupling that will be obtained, active carbon nanoparticles are added to deionized water, with ultrasonic wave 45 DEG C,
30-50min is mixed under conditions of 150W, at room temperature static aging 30-40h, cleaned with deionized water and be in efflux repeatedly
Property, 120-150 DEG C dries 15-20h to constant weight, then 350-400 DEG C is calcined 3-5 hours, cools down, dries, and is obtained activated carbon supported
Silicon nanowires；
（2）Prepare alloy prefabricated component
First aluminium, magnesium, zinc, niobium, yittrium oxide, pore creating material, absolute ethyl alcohol are mixed, with the mixed powder 10- of the rotating speed of 300-500 turns/min
15min, gained mixed material obtains green compact through being compacted densification, and green compact are then put into mould into heat under vacuum
Sinter molding is pressed, sintering process is：System is warming up to 450 DEG C with the programming rate of 10-20 DEG C/min, and 450 DEG C are reached in temperature
When pressurize, pressure is 50MPa, heat preservation sintering 20-35min, then naturally cools to release after room temperature, and products obtained therefrom is put into water
Dried after dissolution pore creating material, obtain alloy prefabricated component standby；
（3）Alloy prefabricated component is put into mould, the activated carbon supported silicon nanowires is subsequently added, product is oozed under -0.05MPa
70-100min, treatment recovers normal pressure after terminating, take out prefabricated component, and the dried process 4-6h in 75-90 DEG C of baking oven then will be pre-
Product is placed again into mould, and 35-40min is sintered again under 720-740 DEG C, 35MPa pressure, release of finally lowering the temperature, cooling
Described antistatic alloy material is obtained final product after to room temperature.
Specific embodiment
Embodiment one
The small porcelain boat that will be equipped with nanometer silicon monoxide powder is placed horizontally in the middle of alumina tube, and the pipe then is placed on into high temperature pipe
In formula stove, vacuumize in 20Pa, be then incubated 900 DEG C of temperature and respectively 60min, 1300 DEG C of insulation 4h are warmed up to afterwards；It
500 DEG C are cooled to the speed of 10 DEG C/min and be incubated 30min, while blasting air to furnace chamber, natural cooling with 60sccm afterwards
To room temperature, silicon nanowires is obtained, it is standby.
Silane coupler is added to deionized water, and 30min is stirred at room temperature, afterwards to 3.5 with vinegar acid for adjusting pH
The silicon nanowires is added, in 85 DEG C of back flow reaction 15h, suction filtration, washing, drying, the silicon nanowires compound after being coupled.
Silicon nanowires compound after the coupling that will be obtained, active carbon nanoparticles are added to deionized water, with ultrasonic wave 45
DEG C, mix 30min under conditions of 150W, static aging 30h, is cleaned repeatedly to efflux in neutrality with deionized water at room temperature,
120 DEG C of drying 15h are to constant weight, then 350 DEG C are calcined 3 hours, cooling, dry, prepared activated carbon supported silicon nanowires.
First aluminium, magnesium, zinc, niobium, yittrium oxide, pore creating material, absolute ethyl alcohol are mixed, powder is mixed with the rotating speed of 300 turns/min
10min, gained mixed material obtains green compact through being compacted densification, and green compact are then put into mould into heat under vacuum
Sinter molding is pressed, sintering process is：System is warming up to 450 DEG C with the programming rate of 10 DEG C/min, adds when temperature reaches 450 DEG C
Pressure, pressure is 50MPa, heat preservation sintering 20min, then naturally cools to release after room temperature, and dissolution is made during products obtained therefrom is put into water
Dried after the agent of hole, obtain alloy prefabricated component standby.
Alloy prefabricated component is put into mould, the activated carbon supported silicon nanowires is subsequently added, oozed under -0.05MPa
Product 70min, treatment recovers normal pressure after terminating, take out prefabricated component, the dried process 4h in 75 DEG C of baking ovens, then by prefabricated component again
Be put into mould, 35min sintered again under 720 DEG C, 35MPa pressure, release of finally lowering the temperature, be cooled to after room temperature obtain final product it is described
Antistatic alloy material.
Embodiment two
The small porcelain boat that will be equipped with nanometer silicon monoxide powder is placed horizontally in the middle of alumina tube, and the pipe then is placed on into high temperature pipe
In formula stove, vacuumize in 50Pa, be then incubated 1000 DEG C of temperature and respectively 80min, 1400 DEG C of insulation 6h are warmed up to afterwards；It
600 DEG C are cooled to the speed of 15 DEG C/min and be incubated 40min, while blasting air to furnace chamber, natural cooling with 60sccm afterwards
To room temperature, silicon nanowires is obtained, it is standby.
Silane coupler is added to deionized water, and 50min is stirred at room temperature, afterwards to 3.5 with vinegar acid for adjusting pH
The silicon nanowires is added, in 95 DEG C of back flow reaction 20h, suction filtration, washing, drying, the silicon nanowires compound after being coupled.
Silicon nanowires compound after the coupling that will be obtained, active carbon nanoparticles are added to deionized water, with ultrasonic wave 45
DEG C, mix 50min under conditions of 150W, static aging 40h, is cleaned repeatedly to efflux in neutrality with deionized water at room temperature,
150 DEG C of drying 20h are to constant weight, then 400 DEG C are calcined 5 hours, cooling, dry, prepared activated carbon supported silicon nanowires.
First aluminium, magnesium, zinc, niobium, yittrium oxide, pore creating material, absolute ethyl alcohol are mixed, powder is mixed with the rotating speed of 500 turns/min
15min, gained mixed material obtains green compact through being compacted densification, and green compact are then put into mould into heat under vacuum
Sinter molding is pressed, sintering process is：System is warming up to 450 DEG C with the programming rate of 20 DEG C/min, adds when temperature reaches 450 DEG C
Pressure, pressure is 50MPa, heat preservation sintering 35min, then naturally cools to release after room temperature, and dissolution is made during products obtained therefrom is put into water
Dried after the agent of hole, obtain alloy prefabricated component standby.
Alloy prefabricated component is put into mould, the activated carbon supported silicon nanowires is subsequently added, oozed under -0.05MPa
Product 100min, treatment recovers normal pressure after terminating, take out prefabricated component, the dried process 6h in 90 DEG C of baking ovens, then by prefabricated component again
It is secondary to be put into mould, 40min is sintered again under 740 DEG C, 35MPa pressure, release of finally lowering the temperature obtains final product institute after being cooled to room temperature
The antistatic alloy material stated.
Claims (1)
1. a kind of active charcoal loads the preparation method of the alloy material of silicon nanowires, and the method comprises the following steps：
（1）Prepare activated carbon supported silicon nanowires
The small porcelain boat that will be equipped with nanometer silicon monoxide powder is placed horizontally in the middle of alumina tube, and the pipe then is placed on into high temperature pipe
In formula stove, vacuumize in 20-50Pa, be then incubated 900-1000 DEG C of temperature and respectively 60-80min, 1300- is warmed up to afterwards
1400 DEG C of insulation 4-6h；500-600 DEG C is cooled to the speed of 10-15 DEG C/min and be incubated 30-40min afterwards, while with
60sccm blasts air to furnace chamber, naturally cools to room temperature, obtains silicon nanowires, standby；
Silane coupler is added to deionized water, and 30-50min is stirred at room temperature, afterwards to 3.5 with vinegar acid for adjusting pH
The silicon nanowires is added, in 85-95 DEG C of back flow reaction 15-20h, suction filtration, washing, drying, the silicon nanowires after being coupled
Compound；
Silicon nanowires compound after the coupling that will be obtained, active carbon nanoparticles are added to deionized water, with ultrasonic wave 45 DEG C,
30-50min is mixed under conditions of 150W, at room temperature static aging 30-40h, cleaned with deionized water and be in efflux repeatedly
Property, 120-150 DEG C dries 15-20h to constant weight, then 350-400 DEG C is calcined 3-5 hours, cools down, dries, and is obtained activated carbon supported
Silicon nanowires；
（2）Prepare alloy prefabricated component
First aluminium, magnesium, zinc, niobium, yittrium oxide, pore creating material, absolute ethyl alcohol are mixed, with the mixed powder 10- of the rotating speed of 300-500 turns/min
15min, gained mixed material obtains green compact through being compacted densification, and green compact are then put into mould into heat under vacuum
Sinter molding is pressed, sintering process is：System is warming up to 450 DEG C with the programming rate of 10-20 DEG C/min, and 450 DEG C are reached in temperature
When pressurize, pressure is 50MPa, heat preservation sintering 20-35min, then naturally cools to release after room temperature, and products obtained therefrom is put into water
Dried after dissolution pore creating material, obtain alloy prefabricated component standby；
（3）Alloy prefabricated component is put into mould, the activated carbon supported silicon nanowires is subsequently added, product is oozed under -0.05MPa
70-100min, treatment recovers normal pressure after terminating, take out prefabricated component, and the dried process 4-6h in 75-90 DEG C of baking oven then will be pre-
Product is placed again into mould, and 35-40min is sintered again under 720-740 DEG C, 35MPa pressure, release of finally lowering the temperature, cooling
Described antistatic alloy material is obtained final product after to room temperature.
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| CN201710167136.5A CN106916989A (en) | 2017-03-20 | 2017-03-20 | A kind of preparation method of the alloy material of active charcoal load silicon nanowires |
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| CN201710167136.5A CN106916989A (en) | 2017-03-20 | 2017-03-20 | A kind of preparation method of the alloy material of active charcoal load silicon nanowires |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629456A (en) * | 2017-09-19 | 2018-01-26 | 苏州南尔材料科技有限公司 | A kind of preparation method of carbon silicon doping PPS thermistors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106191722A (en) * | 2016-07-13 | 2016-12-07 | 安徽祈艾特电子科技股份有限公司 | A kind of automotive electronics encapsulation carbon nano-fiber strengthens antistatic hydronalium and preparation method thereof |
| CN106397981A (en) * | 2016-09-06 | 2017-02-15 | 安徽丰磊制冷工程有限公司 | Polypropylene electret air filtering material containing porous particles and preparation method of air filtering material |
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- 2017-03-20 CN CN201710167136.5A patent/CN106916989A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191722A (en) * | 2016-07-13 | 2016-12-07 | 安徽祈艾特电子科技股份有限公司 | A kind of automotive electronics encapsulation carbon nano-fiber strengthens antistatic hydronalium and preparation method thereof |
| CN106397981A (en) * | 2016-09-06 | 2017-02-15 | 安徽丰磊制冷工程有限公司 | Polypropylene electret air filtering material containing porous particles and preparation method of air filtering material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629456A (en) * | 2017-09-19 | 2018-01-26 | 苏州南尔材料科技有限公司 | A kind of preparation method of carbon silicon doping PPS thermistors |
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Application publication date: 20170704 |