CN100357479C - Magnesium-base nano pore composite material and preparation - Google Patents
Magnesium-base nano pore composite material and preparation Download PDFInfo
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- CN100357479C CN100357479C CNB2006100407193A CN200610040719A CN100357479C CN 100357479 C CN100357479 C CN 100357479C CN B2006100407193 A CNB2006100407193 A CN B2006100407193A CN 200610040719 A CN200610040719 A CN 200610040719A CN 100357479 C CN100357479 C CN 100357479C
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Abstract
The present invention discloses a magnesium base nano pore composite material and a preparation method thereof, which belongs to the field of composite materials. More specifically, the present invention relates to a composite material with the uniform distribution of nano pore inorganic non-metallic phases in the basal bodies of magnesium alloys, and a preparation method of the composite material. The present invention is characterized in that Mg8(H2O)4<Si6O15>2(OH)<4>. 8H2O inorganic non-metallic phase particles are distributed in the basal bodies of the magnesium alloys, wherein the dimension of the particles is from 0.5 to 50 mum, and the density is from 1 to 2.2 g/cm<3>; the inorganic non-metallic phases have elementary layer pore cavities with the dimension of 0.4 to 1.1 nm, and the volume percentage of the inorganic non-metallic phases is from 50 to 70%; the composite material is prepared by a burning and melting method. The inorganic non-metallic phase magnesium base alloy nano pore composite material has the advantages of simple preparation, low cost, no environmental pollution and excellent damping performance, and can be used in the fields of acoustic insulation, vibration absorbing, noise prevention, etc.
Description
Technical field
The invention belongs to field of compound material, relate to a kind of nanoporous inorganic non-metallic equally distributed matrix material in magnesium alloy substrate, can be used for fields such as sound insulation, absorbing, noise control.
Technical background
At present, magnesium alloy is used aborning with specific tenacity and the high superperformance of specific rigidity, and its reason is the in light weight of material.If in magnesium alloy, form nano aperture, promptly form magnesium Ji Pao Droplets matrix material.Foamed metal mainly is Lv Pao Droplets material, nickel foam material etc. at present, has prepared the aluminum foam material as patent 01106207 usefulness direct foaming of melt mass method.But the density of aluminium is compared the density height of magnesium.If magnesium and basic alloy can be made mano-porous material, can further enlarge the purposes of foamed metal.CN200410012162.3 proposes a kind of foam magnesium preparation technology, comprises magnesium alloy smelting, making vacuum seepage device, chooses processes such as filler particles, preheating prefabrication type, cast seepage flow, machine-shaping and removal filler particles.But behind the forming materials, filler particles also need be removed, and processing sequence is many and complicated.
Summary of the invention
The objective of the invention is at the problems referred to above, propose that a kind of vibration damping, noise control are respond well, the magnesium-base nano pore composite material of high comprehensive performance.
Another object of the present invention provides above-mentioned magnesium-base nano pore composite material preparation method, and this method technology is simple, non-environmental-pollution, and production cost is low.
The objective of the invention is to be achieved through the following technical solutions:
A kind of magnesium-base nano pore composite material is characterized in that it is that to be distributed with molecular formula in magnesium alloy substrate be Mg
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2The density of O is 1-2.2g/cm
2The metal-base composites of inorganic non-metallic phase with fine and closely woven nanoporous, inorganic non-metallic has the unit layer hole that is of a size of 0.4-1.1nm mutually, the mutually shared volume percent of inorganic non-metallic is 50-70%, the magnesium alloy substrate component content is: Zn (10～20wt%), Sb (0.5～3wt%), (0.3～2wt%%), all the other are magnesium to Sn.
The method for preparing above-mentioned magnesium-base nano pore composite material, it is characterized in that earlier be with composition Zn (10～20wt%), Sb (0.5～3wt%), Sn (03～2wt%), surplus is that the magnesium alloy ingot of magnesium is made the grain piece that mean sizes is 2～5mm, then and average size be 0.5～50 μ m molecular formula is Mg
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2The inorganic non-metallic phase particle of O mixes, and both volume ratios in mixture are 1: 1～2.3, thereafter mixture are put into steel-molded mould compacting, mould is put into be filled with SF again
6Gas or granular FeS is housed
2Heat up temperature rise to 660～700 ℃, insulation 30～60min in the cabinet-type electric furnace of ore, after reaching soaking time, take out the mould that material is housed, put into the steel empty van that is filled with argon gas again, temperature in case reaches room temperature can take out mould, obtains magnesium-base nano pore composite material.
Described granular FeS
2The particle size of ore is at 5～15mm, and the weight ratio of ore and mixture is 1: 1～3.
Advantage of the present invention:
The molecular formula that adopts among the present invention is Mg
8(H
2O)
4(Si
6O
15)
2(OH
48H
2The density of O is 1-2.2g/cm
3, the inorganic non-metallic with fine and closely woven nanoporous is a kind of material of natural formation mutually, commodity are called sepiolite, can be by having bought on the market.Contain density inorganic non-metallic phase minimum, that have pore in the magnesium-base nano pore composite material, the matrix material weight ratio is low with the foamed aluminium of hole ratio, has alleviated the weight of member, and has good damping capacity.
Magnesium-base nano pore composite material of the present invention is to introduce mutually in the magnesium alloy by the inorganic non-metallic that will have nano aperture, prepares by the burning mode of melting, and need not to take the complex way that foams in liquid phase, preparation technology is simple, and cost is low, the production process non-environmental-pollution, practical, economical and practical.
The made parts of inorganic non-metallic phase magnesium-base nano pore composite material of the present invention have good absorbing, sound insulation, noise control effect, can be used as the quick absorbing damping component mechanically of automobile and other industries, also can be used for sound insulation, the noise control parts in fields such as building.
Embodiment
Embodiment 1:
Found the magnesium alloy ingot that component content is Zn10wt%, Sb0.5wt%, Sn03wt%, Mg89.2wt% earlier, magnesium alloy ingot being cut into mean sizes is the grain piece of 2mm again, is the Mg of 0.5 μ m with average size then
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2O inorganic non-metallic phase particle mechanically mixing, this inorganic non-metallic phase particle can be pulverized by grinding machine and make.The density of inorganic non-metallic phase is 1-2.2g/cm
3, magnesium alloy and the inorganic non-metallic volume ratio of two kinds of materials in mixture mutually are 1: 1, thereafter mixture are put into steel-molded mould compacting, mould is put into be filled with SF again
6Cabinet-type electric furnace in heat up, temperature rise to 660 ℃, insulation 30min, after reaching soaking time, the mould that material is equipped with in taking-up is put into the steel empty van that argon gas is housed again, temperature in case reaches to room temperature can take out mould, obtains the mutually shared volume percent of inorganic non-metallic and be 50% magnesium-base nano pore composite material.Gained material in the present embodiment, the stress and strain relation under its dynamic impulsion condition sees Table 1.
Table 1
| Strain % | ||||||
| 0.001 | 0.002 | 0.004 | 0.006 | 0.008 | 0.01 | |
| Stress/the MPa of magnesium matrix alloy | 100 | 120 | 180 | 220 | 280 | 300 |
| Stress/the MPa of magnesium-base nano pore composite material | 30 | 48 | 45 | 50 | 50 | 50 |
Embodiment 2:
Founding composition earlier is the magnesium alloy ingot that contains Zn20wt%, Sb3wt%, Sn2wt%, Mg75wt%, alloy pig is cut into the grain piece that mean sizes is 5mm, then with the Mg of mean particle size 2 μ m
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2O inorganic non-metallic phase particle mixes, and magnesium alloy and the inorganic non-metallic volume ratio of two kinds of materials in mixture mutually are 1: 1.2, thereafter mixture are put into steel-molded mould compacting, mould is put into be filled with SF again
6Cabinet-type electric furnace in heat up, temperature rise to 700 ℃, be incubated 60min hour, after reaching soaking time, the mould that material is equipped with in taking-up is put into the steel empty van that is filled with argon gas again, temperature in case reaches room temperature can take out mould, obtains the mutually shared volume percent of inorganic non-metallic and be 55% magnesium-base nano pore composite material.
Embodiment 3:
Founding composition earlier is the magnesium alloy ingot that contains Zn15wt%, Sb1.5wt%, Sn1.0wt%, Mg82.5wt%, and magnesium alloy ingot is cut into the grain piece that mean sizes is 3mm, is the Mg of 10 μ m then with mean particle size
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2O inorganic non-metallic phase particle mixes, and magnesium alloy and the inorganic non-metallic volume ratio of two kinds of materials in mixture mutually are 1: 1.1, thereafter mixture are put into steel-molded mould compacting, mould is put into again the FeS that average particle size particle size is 10mm is housed
2Heat up in the cabinet-type electric furnace of ore, the weight ratio of ore and mixture is 1: 1.Temperature rise to 680 ℃, insulation 45min after reaching soaking time, takes out the mould that material is housed and puts into the steel empty van that is filled with argon gas again, temperature in case reaches room temperature can take out mould, obtains the mutually shared volume percent of inorganic non-metallic and be 52% magnesium-base nano pore composite material.
Embodiment 4:
Founding composition earlier is the magnesium alloy ingot that contains Zn15wt%, Sb2wt%, Sn2wt%, Mg81wt%, and magnesium alloy ingot is cut into the grain piece that mean sizes is 4mm, is the Mg of 50 μ m then with mean particle size
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2O inorganic non-metallic phase particle mixes, and magnesium alloy and the inorganic non-metallic volume ratio of two kinds of materials in mixture mutually are 1: 2.2, thereafter mixture are put into steel-molded mould compacting, mould is put into again the FeS that average particle size particle size is 10mm is housed
2Heat up in the cabinet-type electric furnace of ore, the weight ratio of ore and mixture is 1: 3.Temperature rise to 680 ℃, insulation 40min after reaching soaking time, takes out the mould that material is housed and puts into the steel empty van that is filled with argon gas again, temperature in case reaches room temperature can take out mould, obtains the mutually shared volume percent of inorganic non-metallic and be 69% magnesium-base nano pore composite material.
Claims (3)
1, a kind of magnesium-base nano pore composite material is characterized in that it is that to be distributed with molecular formula in magnesium alloy substrate be Mg
8(H
2O)
4(Si
6O
15)
2(OH)
48H
2The density of O is 1-2.2g/cm
3The metal-base composites of inorganic non-metallic phase with fine and closely woven nanoporous, inorganic non-metallic has the unit layer hole that is of a size of 0.4-1.1nm mutually, the mutually shared volume percent of inorganic non-metallic is 50-70%, the magnesium alloy substrate component content is: Zn10～20wt%, Sb0.5～3wt%, Sn03～2wt%, all the other are magnesium.
2, the method for preparing the multiple material of the described magnesium-base nano pore of claim 1, it is characterized in that earlier being that Zn 10～20wt%, Sb 0.5～3wt%, Sn 03～2wt%, surplus are that the magnesium alloy ingot of magnesium is made the grain piece that mean sizes is 2～5mm with composition, then and average size be 0.5～50 μ m molecular formula is Mg
8(H
2O)
4(Si
6O
15)
2(OH)
48 H
2The inorganic non-metallic phase particle of O mixes, and both volume ratios in mixture are 1: 1～23, thereafter mixture are put into steel-molded mould compacting, mould is put into be filled with SF again
6Gas or commentaries on classics have granular FeS
2Heat up temperature rise to 660～700 ℃, insulation 30～60min in the cabinet-type electric furnace of ore, after reaching soaking time, take out the mould that material is housed, put into the steel empty van that is filled with argon gas again, the temperature in case reaches room temperature can take out mould, obtains magnesium-base nano pore composite material.
3, method according to claim 2 is characterized in that described granular FeS
2The particle size of ore is at 5～15mm, and the weight ratio of ore and mixture is 1: 1～3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100407193A CN100357479C (en) | 2006-05-30 | 2006-05-30 | Magnesium-base nano pore composite material and preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100407193A CN100357479C (en) | 2006-05-30 | 2006-05-30 | Magnesium-base nano pore composite material and preparation |
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| Publication Number | Publication Date |
|---|---|
| CN1851029A CN1851029A (en) | 2006-10-25 |
| CN100357479C true CN100357479C (en) | 2007-12-26 |
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|---|---|---|---|
| CNB2006100407193A Expired - Fee Related CN100357479C (en) | 2006-05-30 | 2006-05-30 | Magnesium-base nano pore composite material and preparation |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63270441A (en) * | 1987-04-27 | 1988-11-08 | Fujitsu Ltd | Magnesium damping alloy and its production |
| CN1560292A (en) * | 2004-02-28 | 2005-01-05 | 太原理工大学 | Porous composite materical with inorganic phase magnesium base and preparation process thereof |
-
2006
- 2006-05-30 CN CNB2006100407193A patent/CN100357479C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63270441A (en) * | 1987-04-27 | 1988-11-08 | Fujitsu Ltd | Magnesium damping alloy and its production |
| CN1560292A (en) * | 2004-02-28 | 2005-01-05 | 太原理工大学 | Porous composite materical with inorganic phase magnesium base and preparation process thereof |
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| Publication number | Publication date |
|---|---|
| CN1851029A (en) | 2006-10-25 |
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