CN1381604A - Method for adding particles to slurry in preparing particle reinforced Al-base composition by liquid state method - Google Patents
Method for adding particles to slurry in preparing particle reinforced Al-base composition by liquid state method Download PDFInfo
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- CN1381604A CN1381604A CN 01113847 CN01113847A CN1381604A CN 1381604 A CN1381604 A CN 1381604A CN 01113847 CN01113847 CN 01113847 CN 01113847 A CN01113847 A CN 01113847A CN 1381604 A CN1381604 A CN 1381604A
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- 239000002245 particle Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002002 slurry Substances 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 239000000203 mixture Substances 0.000 title claims description 7
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 14
- 238000005554 pickling Methods 0.000 claims abstract description 7
- 238000007670 refining Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 13
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000012071 phase Substances 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 230000011218 segmentation Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000003723 Smelting Methods 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 238000010792 warming Methods 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 6
- 238000005303 weighing Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
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Abstract
A process for adding particles to the slurry used to prepare the particle reinforced Al-base composite material by liquid state method includes such steps as pickling, heating and warming the particles, smelting Al or Al-alloy, refining, removing slags, cooling to semi-solid state, then directly adding the said particles, and stirring to form slurry.
Description
The present invention relates to matrix material, be specially liquid phase process particulate addition method in the slurry when preparing particle enhanced aluminum-based composite material.
Liquid phase process prepares particle reinforced aluminium-based (aluminum or aluminum alloy base), and matrix material is lower than the cost of solid state process, pays close attention to greatly so caused people.The initial stage for preparing particulate reinforced composite in liquid phase process, particulate adding method, be particle surface coat nickel and with air-flow be pressed in the matrix alloy and go [not. peace. Shane Battier and skin. gram. Luo Hateji: American foundryman's society's journal, 1969,77 volumes, 402-406 page or leaf (F.A.Badia and P.K.Rohatgi:AFS Trans., 1969, vol.77, pp.402-406.)], surface coated adding method coats near the enrichment of material particle easily, artificial component segregation occurs, and cost is higher; Occurred subsequently " vortex method " [not. the peace. Shane Battier, moral. not. MacDonald and Qiao. sieve. Pearson: American foundryman's society's journal, 1971,79 volumes, 265-268 page or leaf (F.A.Badia, D.f.MacDonald, and J.R.Person:AFS Trans., 1971, vol.79, pp.265-268.)], though the cost of vortex method is lower, technology is simple, but only is suitable for the bigger particle of diameter (diameter 50～100 μ m), and because the existence of vortex increases the inspiratory capacity of matrix material; In addition, the Duralcon method [in the Maas Europe 5. Qiao, breathe out mole. Fu Ge, like ground this. about the international conference communique of particles reiforced metal-base composition preparation, Montreal: 1990.24,68,82,84 (Masounave J, Hamel FG, eds.Proc.Of an International Conference on Fabrication ofParticulate Reinforced Metal Composites.Montreal:1990.24,68,82,84)], its equipment configuration is comparatively complicated.
Composite casting is comparatively advanced at present a kind of particle addition method, but matrix metal is had certain restriction, for example is difficult to add particle in metallic aluminium; In addition, adopt liquid phase process to prepare particle (for example SiC, Al
2O
3) when strengthening aluminium base (aluminum or aluminum alloy base) matrix material, in the set-up procedure of slurry, because the wettability between particle and the matrix metal is very poor, be difficult to particle is joined in the matrix metal, that is to say, improve particle and wettability between the matrix metal and be one of guardian technique of liquid phase process prepares particle reinforced aluminium-based (it is Al-alloy based that aluminium becomes) matrix material.
The objective of the invention is: providing a kind of can be that particle in 3.5～100 mu m ranges directly joins in the matrix metal aluminum or aluminum alloy with diameter, and particulate addition method in the slurry when making the liquid phase process that has good wettability between particle and the matrix metal prepare particle enhanced aluminum-based composite material.
Technical solution of the present invention is:
1) with the quality percentage composition is 0.1～0.8% HF or HNO
3Particle is carried out pickling, remove the zone of oxidation or the adsorbent of particle surface, with heating installation particle is heated to 673～873K then, and is incubated 20～40 minutes, remove granule surface activity water, particle is disperseed automatically;
2) in non-vacuum induction furnace the matrix metal aluminum or aluminum alloy is heated to liquid state, feeds argon gas liquid towards metal then and carry out refining, the liquid towards metal is lowered the temperature after skimming;
3) liquid metal is cooled to semi-solid state, the semi-solid temperature of described aluminium is 983K～1013K, the semi-solid temperature of described aluminium alloy is 933K～1003K, directly particle is joined the semi-solid-state metal surface then, with the stepless speed regulation agitator it is stirred, stirring total time is 30～50 minutes, and segmentation is stirred: the fs stirring velocity is 30～100 rev/mins, and churning time is 20～30 minutes; The subordinate phase stirring velocity is 100～500 rev/mins, and churning time is 5～10 minutes; The phase III stirring velocity is 500～800 rev/mins, and churning time is 5～10 minutes; Thereby the formation slurry with the non-vacuum induction furnace insulation, is protected with argon gas in operating process; Described particle is graphite, SiC or Al
2O
3Particle, its diameter are 3.5～100 μ m.
The present invention by means of the stirring action of mechanical external force, directly joins particle in the semi-solid matrix metal aluminum or aluminum alloy after the pre-treatment by particle is carried out, thereby has solved the problem of wettability difference between particle and the matrix metal.
The present invention has following advantage:
1. the present invention can particularly can directly add the particle that density is greater than or less than matrix metal at aluminium alloy in metallic aluminium, makes to have good wettability between aluminum or aluminum alloy and the particle; And the particle minimum particle size can reach 3.5 μ m, for the preparation of particle reinforced aluminium-based (aluminum or aluminum alloy base) matrix material provides good slurry.
2. the present invention is liquid phase process, and simple to operate, cost is low.
Fig. 1 is that the embodiment of the invention 1 is the Al of 100 μ m with diameter
2O
3Particle joins prepared slurry in the matrix ZL109 aluminium alloy, after rotary casting is solidified, and the photo that obtains with the scanning electron microscope imaging.
Fig. 2 is the embodiment of the invention 2 with diameter is that the SiC particle of 10 μ m joins prepared slurry in the matrix ZL109 aluminium alloy, after rotary casting is solidified, and the photo that obtains with the scanning electron microscope imaging.
Fig. 3 is the embodiment of the invention 3 with diameter is that the SiC particle of 3.5 μ m joins prepared slurry in the matrix ZL109 aluminium alloy, after rotary casting is solidified, and the photo that obtains with the scanning electron microscope imaging.
Fig. 4 is wooden inventive embodiments 4 with diameter is that the graphite granule of 100 μ m joins slurry prepared in the matrix metal aluminium, after air cooling, and the photo that obtains with microscope imaging.
The invention will be further described below in conjunction with embodiment and accompanying drawing.
Embodiment 1
1. with the quality percentage composition 0.5% HNO
3To diameter is the Al of 100 μ m
2O
3Particle carries out pickling, removes the zone of oxidation or the adsorbent of particle surface, with resistance furnace particle is heated to 873K then, and is incubated 30 minutes, removes granule surface activity water, and particle is disperseed automatically, after the cooling, take by weighing 0.2 kilogram standby;
2. in antivacuum medium-frequency induction furnace 2 kilograms of ZL109 aluminium alloys are heated to liquid state, feed argon gas liquid towards metal and carry out refining, the liquid towards metal is lowered the temperature after skimming;
3. liquid metal is cooled to semi-solid state (983K), then directly with ready Al
2O
3Particle joins the semi-solid-state metal surface, with the stepless speed regulation agitator it is stirred, and stirring total time is 30 minutes, and segmentation is stirred: the fs stirring velocity is 50 rev/mins, and churning time is 20 minutes; The subordinate phase stirring velocity is 300 rev/mins, and churning time is 5 minutes; The phase III stirring velocity is 600 rev/mins, and churning time is 5 minutes; Thereby the formation slurry with antivacuum medium-frequency induction furnace insulation, is protected with argon gas in operating process.
With diameter is the Al of 100 μ m
2O
3Particle joins slurry prepared in the matrix ZL109 aluminium alloy after rotary casting is solidified, and obtains photo with the scanning electron microscope imaging, as shown in Figure 1.
Embodiment 2
1. with the quality percentage composition 0.8% HNO
3To diameter is that the SiC particle of 10 μ m carries out pickling, removes the zone of oxidation or the adsorbent of particle surface, with resistance furnace particle is heated to 773K then, and be incubated 40 minutes, and remove granule surface activity water, particle is disperseed automatically, after the cooling, take by weighing 0.12 kilogram standby;
2. in antivacuum medium-frequency induction furnace 1.5 kilograms ZL109 aluminium alloy is heated to liquid state, feeds argon gas liquid towards metal and carry out refining, the liquid towards metal is lowered the temperature after skimming;
3. liquid metal is cooled to semi-solid state (1003K), directly ready SiC particle is joined the semi-solid-state metal surface then, with the stepless speed regulation agitator it is stirred, stirring total time is 35 minutes, and segmentation is stirred: the fs stirring velocity is 30 rev/mins, and churning time is 25 minutes; The subordinate phase stirring velocity is 250 rev/mins, and churning time is 5 minutes; The phase III stirring velocity is 600 rev/mins, and churning time is 5 minutes; Thereby the formation slurry with antivacuum medium-frequency induction furnace insulation, is protected with argon gas in operating process.
With diameter is that the SiC particle of 10 μ m joins slurry prepared in the matrix ZL109 aluminium alloy after rotary casting is solidified, and retouches the Electronic Speculum imaging with button and obtains photo, as shown in Figure 2.
Embodiment 3
1. be 0.2% HF to diameter with the quality percentage composition be that the SiC particle of 3.5 μ m carries out pickling, remove the zone of oxidation or the adsorbent of particle surface, with resistance furnace particle is heated to 673K then, and be incubated 20 minutes, remove granule surface activity water, particle is disperseed automatically, after the cooling, take by weighing 0.4 kilogram standby;
2. in antivacuum medium-frequency induction furnace 2.5 kilograms ZL109 aluminium alloy is heated to liquid state, feeds argon gas liquid towards metal and carry out refining, the liquid towards metal is lowered the temperature after skimming;
3. liquid metal is cooled to semi-solid state (933K), directly ready SiC particle is joined the semi-solid-state metal surface then, with the stepless speed regulation agitator it is stirred, stirring total time is 40 minutes, and segmentation is stirred: the fs stirring velocity is 40 rev/mins, and churning time is 30 minutes; The subordinate phase stirring velocity is 350 rev/mins, and churning time is 5 minutes; The phase III stirring velocity is 550 rev/mins, and churning time is 5 minutes; Thereby the formation slurry with antivacuum medium-frequency induction furnace insulation, is protected with argon gas in operating process.
With diameter is that the SiC particle of 3.5 μ m joins slurry prepared in the matrix ZL109 aluminium alloy after rotary casting is solidified, and obtains photo with the scanning electron microscope imaging, as shown in Figure 3.
Embodiment 4
1. be 0.1% HF to diameter with the quality percentage composition be that the graphite granule of 100 μ m carries out pickling, remove the zone of oxidation or the adsorbent of particle surface, with resistance furnace particle is heated to 673K then, and be incubated 20 minutes, remove granule surface activity water, particle is disperseed automatically, after the cooling, rice get 0.15 kilogram standby;
2. in antivacuum medium-frequency induction furnace 1.5 kilograms metallic aluminium is heated to liquid state, feeds argon gas liquid towards metal and carry out refining, the liquid towards metal is lowered the temperature after skimming;
3. liquid metal is cooled to semi-solid state (983K), directly ready graphite granule is joined the semi-solid-state metal surface then, with the stepless speed regulation agitator it is stirred, stirring total time is 30 minutes, and segmentation is stirred: the fs stirring velocity is 30 rev/mins, and churning time is 20 minutes; The subordinate phase stirring velocity is 300 rev/mins, and churning time is 5 minutes; The phase III stirring velocity is 600 rev/mins, and churning time is 5 minutes; Thereby the formation slurry with antivacuum medium-frequency induction furnace insulation, is protected with argon gas in operating process.
After resulting slurry cooled off, obtain photo with microscope imaging, as shown in Figure 4 in air.
Claims (2)
1. particulate addition method in slurry when liquid phase process prepares particle enhanced aluminum-based composite material, utilize non-vacuum induction furnace, it is characterized in that: particle is carried out after the pre-treatment, stirring action by means of mechanical external force, directly particle is joined in the semi-solid matrix metal aluminum or aluminum alloy, concrete steps are as follows:
1) with the quality percentage composition is 0.1～0.8% HF or HNO
3Particle is carried out pickling, remove the zone of oxidation or the adsorbent of particle surface, with heating installation particle is heated to 673～873K then, and is incubated 20～40 minutes, remove granule surface activity water, particle is disperseed automatically;
2) in non-vacuum induction furnace the matrix metal aluminum or aluminum alloy is heated to liquid state, feeds argon gas liquid towards metal then and carry out refining, the liquid towards metal is lowered the temperature after skimming;
3) liquid metal is cooled to semi-solid state, the semi-solid temperature of described aluminium is 983K～1013K, the semi-solid temperature of described aluminium alloy is 933K～1003K, directly particle is joined the semi-solid-state metal surface then, with the stepless speed regulation agitator it is stirred, stirring total time is 30～50 minutes, and segmentation is stirred: the fs stirring velocity is 30～100 rev/mins, and churning time is 20～30 minutes; The subordinate phase stirring velocity is 100～500 rev/mins, and churning time is 5～10 minutes; The phase III stirring velocity is 500～800 rev/mins, and churning time is 5～10 minutes; Thereby the formation slurry with the non-vacuum induction furnace insulation, is protected with argon gas in operating process.
2. particulate addition method in the slurry when preparing particle enhanced aluminum-based composite material according to the described liquid phase process of claim 1, it is characterized in that: described particle is graphite, SiC or Al
2O
3Particle, its diameter are 3.5～100 μ m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011138475A CN1151295C (en) | 2001-04-13 | 2001-04-13 | Method for adding particles to slurry in preparing particle reinforced Al-base composition by liquid state method |
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| CNB011138475A CN1151295C (en) | 2001-04-13 | 2001-04-13 | Method for adding particles to slurry in preparing particle reinforced Al-base composition by liquid state method |
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| CN1151295C CN1151295C (en) | 2004-05-26 |
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| CN100464898C (en) * | 2007-06-18 | 2009-03-04 | 北京科技大学 | Process for making SiC particle reinforced composite material electronic package shell using semi-soild-state technology |
| CN100577831C (en) * | 2007-11-23 | 2010-01-06 | 中国铝业股份有限公司 | Apparatus for industrialized preparation of granule-reinforced aluminium-based composite material |
| CN102400006A (en) * | 2010-09-16 | 2012-04-04 | 北京有色金属研究总院 | Foamy carbon/copper matrix or aluminum matrix composite material and preparation method thereof |
| CN102632221A (en) * | 2012-04-28 | 2012-08-15 | 昆明理工大学 | Method for compounding SiC grains on surface of semisolid A356 aluminum alloy |
| CN102703771A (en) * | 2012-06-17 | 2012-10-03 | 山东正诺机械科技有限公司 | Preparation method for silicon carbide/aluminium alloy composite material for brake disc |
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| CN105525153A (en) * | 2015-11-30 | 2016-04-27 | 中国铁道科学研究院 | Brake disc prepared from silicon carbide particle reinforced aluminum matrix composite material |
| CN105568034A (en) * | 2015-12-17 | 2016-05-11 | 华南理工大学 | Granular mixed reinforced aluminum-based composite material and method for preparing same |
| CN105908020A (en) * | 2016-05-17 | 2016-08-31 | 广东省材料与加工研究所 | Preparation method of aluminum-tungsten composite material |
| CN107604191A (en) * | 2016-07-11 | 2018-01-19 | 广东科达洁能股份有限公司 | The preparation method of high quality fraction SiCp/Al composites and carborundum stirring adding set in a kind of Monosized powder |
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| CN111101028A (en) * | 2019-12-27 | 2020-05-05 | 宁波吉胜铸业有限公司 | Engine body aluminum casting support |
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2001
- 2001-04-13 CN CNB011138475A patent/CN1151295C/en not_active Expired - Fee Related
Cited By (18)
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| CN100464898C (en) * | 2007-06-18 | 2009-03-04 | 北京科技大学 | Process for making SiC particle reinforced composite material electronic package shell using semi-soild-state technology |
| CN100577831C (en) * | 2007-11-23 | 2010-01-06 | 中国铝业股份有限公司 | Apparatus for industrialized preparation of granule-reinforced aluminium-based composite material |
| CN102400006B (en) * | 2010-09-16 | 2013-05-22 | 北京有色金属研究总院 | Foamy carbon/copper matrix or aluminum matrix composite material and preparation method thereof |
| CN102400006A (en) * | 2010-09-16 | 2012-04-04 | 北京有色金属研究总院 | Foamy carbon/copper matrix or aluminum matrix composite material and preparation method thereof |
| CN102632221A (en) * | 2012-04-28 | 2012-08-15 | 昆明理工大学 | Method for compounding SiC grains on surface of semisolid A356 aluminum alloy |
| CN102632221B (en) * | 2012-04-28 | 2015-03-11 | 昆明理工大学 | Method for compounding SiC grains on surface of semisolid A356 aluminum alloy |
| CN102703771A (en) * | 2012-06-17 | 2012-10-03 | 山东正诺机械科技有限公司 | Preparation method for silicon carbide/aluminium alloy composite material for brake disc |
| CN102703771B (en) * | 2012-06-17 | 2013-08-14 | 山东正诺机械科技有限公司 | Preparation method for silicon carbide/aluminium alloy composite material for brake disc |
| CN103100700A (en) * | 2013-01-21 | 2013-05-15 | 东北大学 | Cladding casting device for aluminum alloy composite ingot casting and cladding casting method |
| CN105525153A (en) * | 2015-11-30 | 2016-04-27 | 中国铁道科学研究院 | Brake disc prepared from silicon carbide particle reinforced aluminum matrix composite material |
| CN105568034A (en) * | 2015-12-17 | 2016-05-11 | 华南理工大学 | Granular mixed reinforced aluminum-based composite material and method for preparing same |
| CN105568034B (en) * | 2015-12-17 | 2018-01-05 | 华南理工大学 | A kind of particle hybrid composite and preparation method thereof |
| CN105908020A (en) * | 2016-05-17 | 2016-08-31 | 广东省材料与加工研究所 | Preparation method of aluminum-tungsten composite material |
| CN107604191A (en) * | 2016-07-11 | 2018-01-19 | 广东科达洁能股份有限公司 | The preparation method of high quality fraction SiCp/Al composites and carborundum stirring adding set in a kind of Monosized powder |
| CN109811173A (en) * | 2019-01-29 | 2019-05-28 | 清华大学深圳研究生院 | A kind of TiB2The preparation method and TiB of-Al composite material2- Al composite material |
| CN111101028A (en) * | 2019-12-27 | 2020-05-05 | 宁波吉胜铸业有限公司 | Engine body aluminum casting support |
| CN112605349A (en) * | 2020-12-08 | 2021-04-06 | 安徽中鑫精密铸造科技有限公司 | Semi-solid forming process for water-cooling plate for bearing automobile chip |
| CN116043059A (en) * | 2023-01-18 | 2023-05-02 | 江苏大学 | Method for preparing micro-nano particle hybrid reinforced aluminum matrix composite |
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| CN1151295C (en) | 2004-05-26 |
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