CN104532046B - Method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination - Google Patents
Method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination Download PDFInfo
- Publication number
- CN104532046B CN104532046B CN201410812703.4A CN201410812703A CN104532046B CN 104532046 B CN104532046 B CN 104532046B CN 201410812703 A CN201410812703 A CN 201410812703A CN 104532046 B CN104532046 B CN 104532046B
- Authority
- CN
- China
- Prior art keywords
- aluminum
- nano
- ultrasonic
- mechanical vibration
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination. The method comprises the steps: firstly, mixing nano aluminum nitride particles and aluminum powder according to the mass ratio of (1: 1) to (2: 3), and carrying out ball milling for 50-60 hours at the revolving speed of 60-70rpm so as to obtain mixed powder; putting the mixed powder into a crucible, and heating to the temperature of 660-670 DEG C; cooling with air, crushing and sieving; melting aluminum alloy in the crucible so as to obtain aluminum alloy melt, adding the sieved mixed powder into the aluminum alloy melt at the temperature of 700-750 DEG C in 5-10 minutes in accordance with that the addition amount of the nano aluminum nitride particles is 1-4wt.% of the amount of the aluminum alloy melt, meanwhile, introducing high-energy ultrasonic sound of 20KHz and 1-3KW, and then, continuing to carry out ultrasonic treatment for 5-10 minutes; cooling the melt to an alloy semi-solid temperature range at the cooling speed of 5-15 DEG C/min, and applying mechanical vibration treatment at the power of 1.5KW, the frequency of 400-600Hz and the amplitude of vibration of 0.5-1.5mm. According to aluminum-based nano composite material tissue prepared by the method, a newborn alpha-Al phase is fine and is uniform in distribution, nano aluminum nitride particles are uniform in distribution and are free from an agglomeration phenomenon, and the method is low in process cost and convenient in operation and is simple, safe and reliable.
Description
Technical field
The invention belongs to field of metal preparation, particularly to the preparation method of aluminum matrix composite semi solid slurry.
Background technology
Semi-solid alloy fills type steadily in forming process, and the thermal stress of generation is low, and shrinkage cavity and porosity defect is few, only closely becomes
Shape.Particle enhanced aluminum-based composite material have specific strength, specific stiffness height, high-wearing feature, high damping many advantages, such as.Nitridation
Alumina particles have good physical chemistry, machinery and hot property because of it, are preferably to strengthen phase, are that numerous scholars are of interest.Micro-
Rice grain can improve yield strength and the compressive ultimate strength of matrix, but so that the ductility of matrix is deteriorated.Nano-particle can be
Keep under lower content, significantly improving elastic modelling quantity, yield strength, wear resistence and the high temperature creep of matrix, thus be gradually subject to
Pay attention to.Numerous studies find that nano-ceramic particle is poor with the wettability of aluminium alloy melt, and state labile in the melt.And
Nano composite material prepared by traditional technique have that nano-particle is easily reunited, content is not high, complex process, limited by molding etc.
Problem makes the potentiality that the performance of aluminum-base nano composite material improves be greatly affected.
Content of the invention
It is an object of the invention to provide a kind of preparation of nano aluminum nitride particle enhanced aluminum-based composite material semi solid slurry
Method
The present invention is achieved by the following technical solutions.
Preparation method of the present invention is: first nano silicon nitride alumina particles are mixed with aluminium powder carry out ball milling 50～
60h, wherein nano silicon nitride alumina particles are 1:1～2:3 with the mass ratio of aluminium powder, and ball milling speed is 60～70rpm；By mixed powder
Heating in crucible is put at end, and temperature control is at 660～670 DEG C；Air cooling, pulverize, sieve, wherein mesh size is 1000～850 μ
m；Aluminium alloy is put in crucible heating, fusing, in 700～750 DEG C of temperature, is aluminum by the addition of nano silicon nitride alumina particles
The amount of 1～4wt.% of alloy melt, the mixed-powder after above-mentioned sieving is added in aluminium alloy melt, the joining day be 5～
10min, is introduced into high-energy ultrasonic in adition process in aluminium alloy melt, supersonic frequency 20khz, power 1～3kw, follow-up
Continuous supersound process 5～10min；Melt temperature is down to alloy semi-solid temperature range, rate of temperature fall is 5～15 DEG C/min, this
Process applies mechanical vibration and processes, oscillation power 1.5kw, frequency 400～600hz and amplitude 0.5～1.5mm；Can obtain and receive
Rice aluminium nitride reinforced aluminum matrix composites semi solid slurry.
Fine aluminium particulate plastic preferably, is easily pressed into by ceramic particle.Mental retardation ball milling as far as possible well discrete particles may be used again
To avoid harmful chemical reaction.The effect of smelt surface tension can make little particle be difficult to add and bulky grain because its own weight
Power can be easy to overcome this drag.Ultrasonic cavitation to melt generation, acoustic streaming to the moistening of granule and are dispersed with very big
Facilitation.The sine wave that mechanical vibration produce in Medium Propagation, and can have strong impacts to produce.
The particle size preferred nano aluminum nitride 30～100nm, aluminum 58～75 μ of nano aluminum nitride of the present invention and aluminum
m.
In the aluminum-base nano composite material tissue that the present invention obtains, nascent-al is mutually tiny and is evenly distributed, nano aluminum nitride
Even particle distribution, soilless sticking phenomenon.This process costs is low, simple；Safe and reliable；Easy to operate.
Brief description
The microscopic structure of the semisolid a356 aluminum-base nano composite material slurry for present invention preparation preparation for the Fig. 1.
Specific embodiment
The present invention will be described further by following examples.
Embodiment 1.
First nano silicon nitride alumina particles are mixed with aluminium powder and carry out ball milling 60h, wherein nano silicon nitride alumina particles and aluminium powder
The mass ratio at end is 2:3, and ball milling speed is 70rpm；Mixed-powder is put into heating in crucible, temperature control is at 660 DEG C；Empty
Cold, pulverize, sieve, wherein mesh size be 850 μm；7075 aluminium alloys are put in crucible heating, fusing, in 700 DEG C of temperature
When, the amount of the 1wt.% being aluminium alloy melt by the addition of nano silicon nitride alumina particles, the mixed-powder after above-mentioned sieving is added
To in 7075 aluminium alloy melts, the joining day is 5min, is introduced into high-energy ultrasonic in adition process in aluminium alloy melt, ultrasonic
Frequency 20khz, power 1kw, continue supersound process 5min afterwards；Melt temperature is down to 635 DEG C, rate of temperature fall is 5 DEG C/min,
This process applies mechanical vibration and processes, oscillation power 1.5kw, frequency 400hz and amplitude 0.5mm；Nano aluminum nitride can be obtained
Reinforced aluminum matrix composites semi solid slurry.
Embodiment 2.
First nano silicon nitride alumina particles are mixed with aluminium powder and carry out ball milling 50h, wherein nano silicon nitride alumina particles and aluminium powder
The mass ratio at end is 1:1, and ball milling speed is 60rpm；Mixed-powder is put into heating in crucible, temperature control is at 670 DEG C；Empty
Cold, pulverize, sieve, wherein mesh size be 1000 μm；6063 aluminium alloys are put in crucible heating, fusing, in 750 DEG C of temperature
When, the amount of the 2wt.% being aluminium alloy melt by the addition of nano silicon nitride alumina particles, the mixed-powder after above-mentioned sieving is added
To in 6063 aluminium alloy melts, the joining day is 10min, is introduced into high-energy ultrasonic in adition process in aluminium alloy melt, surpasses
Acoustic frequency 20khz, power 2kw, continue supersound process 5min afterwards；Melt temperature is down to 652 DEG C, rate of temperature fall be 10 DEG C/
Min, this process applies mechanical vibration and processes, oscillation power 1.5kw, frequency 500hz and amplitude 0.5mm；A nanometer nitrogen can be obtained
Change aluminum reinforced aluminum matrix composites semi solid slurry.
Embodiment 3.
First nano silicon nitride alumina particles are mixed with aluminium powder and carry out ball milling 60h, wherein nano silicon nitride alumina particles and aluminium powder
The mass ratio at end is 1:1, and ball milling speed is 70rpm；Mixed-powder is put into heating in crucible, temperature control is at 660 DEG C；Empty
Cold, pulverize, sieve, wherein mesh size be 850 μm；A356 aluminium alloy is put in crucible heating, fusing, in 700 DEG C of temperature
When, the amount of the 1wt.% being aluminium alloy melt by the addition of nano silicon nitride alumina particles, the mixed-powder after above-mentioned sieving is added
To in a356 aluminium alloy melt, the joining day is 5min, is introduced into high-energy ultrasonic in adition process in aluminium alloy melt, ultrasonic
Frequency 20khz, power 1kw, continue supersound process 5min afterwards；Melt temperature is down to 605 DEG C, rate of temperature fall be 15 DEG C/
Min, this process applies mechanical vibration and processes, oscillation power 1.5kw, frequency 600hz and amplitude 1.5mm；A nanometer nitrogen can be obtained
Change aluminum reinforced aluminum matrix composites semi solid slurry.
Accompanying drawing 1 be embodiment 3 under the conditions of obtain semisolid a356 aluminum-base nano composite material slurry tissue, in figure
It can be seen that, there is no the nascent brilliant appearance of thick branch in the aluminum matrix composite tissue being obtained ,-the al that comes into being is by ultrasonic cavitation
The strong impact power of effect and mechanical vibration generation smashes hence it is evident that refining.Ultrasonic cavitation and acoustic streaming effect make nano aluminum nitride
Powder is uniformly distributed in the melt.
Claims (2)
1. a kind of it is combined the side preparing nano aluminum nitride reinforced aluminum matrix composites semi solid slurry based on ultrasonic and mechanical vibration
Method, be is characterized in that being mixed nano silicon nitride alumina particles with aluminium powder first and carries out ball milling 50～60h, wherein nano silicon nitride alumina particles
Mass ratio with aluminium powder is 1:1～2:3, and ball milling speed is 60～70rpm；Mixed-powder is put into heating, temperature in crucible
Control at 660～670 DEG C；Air cooling, pulverize, sieve, wherein mesh size is 1000～850 μm；Aluminium alloy is put in crucible
Heating, fusing, in 700～750 DEG C of temperature, the 1～4wt.% being aluminium alloy melt by the addition of nano silicon nitride alumina particles
Amount, the mixed-powder after above-mentioned sieving is added in aluminium alloy melt, and the joining day is 5～10min, draws in adition process
Enter high-energy ultrasonic in aluminium alloy melt, supersonic frequency 20khz, power 1～3kw, continue supersound process 5～10min afterwards；Will
Melt temperature is down to alloy semi-solid temperature range, and rate of temperature fall is 5～15 DEG C/min, and this process applies mechanical vibration and processes,
Oscillation power 1.5kw, frequency 400～600hz and amplitude 0.5～1.5mm.
2. according to claim 1 being combined based on ultrasonic and mechanical vibration prepares nano aluminum nitride reinforced aluminum matrix composites
The method of semi solid slurry, is characterized in that the particle size of described nano aluminum nitride and aluminum is nano aluminum nitride 30～100nm,
58～75 μm of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812703.4A CN104532046B (en) | 2014-12-24 | 2014-12-24 | Method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812703.4A CN104532046B (en) | 2014-12-24 | 2014-12-24 | Method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532046A CN104532046A (en) | 2015-04-22 |
| CN104532046B true CN104532046B (en) | 2017-01-18 |
Family
ID=52847663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410812703.4A Active CN104532046B (en) | 2014-12-24 | 2014-12-24 | Method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104532046B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132733B (en) * | 2015-09-29 | 2017-10-13 | 华中科技大学 | A kind of method for preparing nanoparticle reinforced aluminum-based composite |
| CN107805747B (en) * | 2017-09-29 | 2019-03-08 | 宁波优适捷传动件有限公司 | A kind of automobile swing arm and preparation method thereof |
| CN108441665B (en) * | 2018-02-28 | 2020-04-03 | 江苏大学 | Method for preparing nano particle reinforced composite material by multidimensional vibration-assisted synthesis |
| CN109822079A (en) * | 2019-04-12 | 2019-05-31 | 贵州大学 | A kind of metal bath processing method based on power ultrasound and mechanical oscillation |
| CN115058619A (en) * | 2022-07-14 | 2022-09-16 | 河南工程学院 | Nano titanium carbide reinforced 2024 aluminum-based composite material and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759995A (en) * | 1983-06-06 | 1988-07-26 | Dural Aluminum Composites Corp. | Process for production of metal matrix composites by casting and composite therefrom |
| CN102776396B (en) * | 2012-05-29 | 2014-08-06 | 南昌大学 | Preparation method of in-situ Mg2Si particle enhanced Mg-Al-Mn-Zn composite material semi-solid slurry |
| RU2523643C2 (en) * | 2012-11-06 | 2014-07-20 | Федеральное государственное бюджетное учреждение науки Институт физики прочности и материаловедения Сибирского отделения Российской академии наук (ИФПМ СО РАН) | Production of suspensions of metal and metal compounds superfine particles and device to this end |
| CN103031463B (en) * | 2013-01-10 | 2014-08-27 | 哈尔滨工业大学 | Device and method for preparing nanometer ceramic particle-reinforced aluminum-based composite |
| CN103862005B (en) * | 2014-04-08 | 2016-05-04 | 哈尔滨工业大学 | A kind of device and using method thereof of preparing metal-base composites or semi solid slurry |
| CN104131196B (en) * | 2014-07-21 | 2017-01-18 | 昆明理工大学 | Preparation method of particle reinforced aluminum matrix composite ultrasonic bell jar |
-
2014
- 2014-12-24 CN CN201410812703.4A patent/CN104532046B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104532046A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104532046B (en) | Method for preparing nano-aluminum-nitride reinforced aluminum-based composite semi-solid slurry based on ultrasonic and mechanical vibration combination | |
| Yuan et al. | Development of high strength and toughness nano-SiCp/A356 composites with ultrasonic vibration and squeeze casting | |
| Su et al. | Processing, microstructure and tensile properties of nano-sized Al2O3 particle reinforced aluminum matrix composites | |
| CA2757805C (en) | Method of producing particulate-reinforced composites and composites produced thereby | |
| Li et al. | Effects of ultrasonic vibration on microstructure and mechanical properties of nano-sized SiC particles reinforced Al-5Cu composites | |
| CN102108455B (en) | Preparation method of aluminum-base composite material | |
| Wang et al. | Processing, microstructure and mechanical properties of micro-SiC particles reinforced magnesium matrix composites fabricated by stir casting assisted by ultrasonic treatment processing | |
| CN109317661B (en) | TiN/Al-based material composite powder and laser 3D printing forming method thereof | |
| CN111957967B (en) | Method for preparing multi-scale ceramic phase reinforced metal composite material through 3D printing | |
| Liu et al. | Ultrasound assisted in situ technique for the synthesis of particulate reinforced aluminum matrix composites | |
| Liu et al. | Ultrasonic cavitation-assisted molten metal processing of cast A356-nanocomposites | |
| TWI437100B (en) | Method for making magnesium-based metal matrix composites | |
| CN104532030B (en) | A kind of method preparing nano aluminum nitride particle enhanced aluminum-based composite material semi solid slurry based on supersound process | |
| CN104878233A (en) | Preparation method of aluminum-titanium-boron alloy ingot | |
| CN107385256A (en) | A kind of nanometer silicon carbide reinforced aluminum matrix composites and preparation method thereof | |
| CN104532031B (en) | Method for preparing nano-ceramic particle reinforced aluminum-based composite material | |
| CN104532032B (en) | A kind of method preparing nano aluminium oxide reinforced aluminum matrix composites semi solid slurry based on complex vibration technology | |
| CN110964933B (en) | Preparation method of graphene/aluminum and aluminum alloy composite material | |
| CN101532098A (en) | Method for preparing SiCp/AZ31 magnesium-based nano composite material using ultrasonic wave | |
| CN106244866A (en) | A kind of preparation method of nano TiN reinforced aluminum matrix composites | |
| CN104372208A (en) | Endogenous particle hybrid reinforced aluminum matrix composite and preparation method thereof | |
| CN104532033B (en) | A kind of preparation method of nano aluminium oxide reinforced aluminum matrix composites semi solid slurry | |
| Padhi et al. | A novel route for development of bulk Al/SiC metal matrix nanocomposites | |
| CN104164583B (en) | A kind of fabricated in situ prepares the method for aluminum matrix composite | |
| Jamshidi-Alashti et al. | Semisolid melt squeezing procedure for production of open-cell Al–Si foams |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: 226002 Jiangsu Province, Nantong city Gangzha District happiness street jiangba village community group 2 Patentee after: NANTONG DRAYSON COMPOSITES Co.,Ltd. Address before: 999 No. 330031 Jiangxi province Nanchang Honggutan University Avenue Patentee before: Nanchang University |
|
| TR01 | Transfer of patent right |