CN1792504A - Process for preparing composite material of high magnesium aluminium alloy-expanding ore - Google Patents
Process for preparing composite material of high magnesium aluminium alloy-expanding ore Download PDFInfo
- Publication number
- CN1792504A CN1792504A CN 200510119107 CN200510119107A CN1792504A CN 1792504 A CN1792504 A CN 1792504A CN 200510119107 CN200510119107 CN 200510119107 CN 200510119107 A CN200510119107 A CN 200510119107A CN 1792504 A CN1792504 A CN 1792504A
- Authority
- CN
- China
- Prior art keywords
- alloy
- composite material
- perlite
- vermiculite
- aluminium alloy
- 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.)
- Granted
Links
Images
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A light and porous high-Mg Al-alloy-expanded ore composition is prepared from high-Mg Al-alloy and puffed vermiculite and pearlite through vacuum percolation casting method. Its density is less than 1.9 g/cu*cm. Its advantages are ease control of foam pore, and high compression strength and thermal insulating effect.
Description
Technical field:
The present invention relates to the preparation method of high-magnesium aluminum alloy-natural expanding ore composite.
Background technology:
In the deadener industry, have two class deadeners more and more to be much accounted of at present, a class is foamed aluminium or foam magnesium; Another kind of is that natural vermiculite, fluolite, perlite separate the hollow glass bead that obtains through the goods behind the high temperature puffing or from the flyash of thermal power plant.The two comparatively speaking, the former advantage is and can uses separately that shortcoming is: 1. manage, abscess difficult quality control in the band, sheet material industrial production, 2. foam compression performance etc. is undesirable, and 3. effect of heat insulation is not good.The latter's advantage shows not only reasonable acoustic attenuation performance, and its heat-proof quality is that other materials of great majority can not be compared, and its shortcoming concentrates on can not be separately as uses such as pipe, band, sheet materials, compound with other material; Wherein influential another kind of complex is: rubber, cement, waterglass, furans, Polyurethane foamed resin etc.With expanded vermiculite or fluolite or perlite or glass microballoon and rubber combined, can make " sound eliminating tile ", should " sound eliminating tile " be used the submarine shell.Silicate such as itself and cement are compound, can be manufactured on the sound insulationg board of both sides such as railway, highway.Itself and polystyrene or Polyurethane foam are compound, can make the heat insulation trap shell of large-scale liquefied gas storage, rocket fuel storage tank etc.It is more that foamed aluminium is used publication separately, such as aircraft sandwich material, bullet train engine room acoustic material etc.Foamed aluminium and natural vermiculite, fluolite, perlite or hollow glass bead can be carried out compound, to overcome the foamed aluminium shortcoming; For natural vermiculite or perlite and compound patent disclosure or the paper report of yet there are no of foamed aluminium.But will carry out or add silicon carbide compound that following relevant patent disclosure is then arranged compound with the hollow glass bead that from the flyash of thermal power plant, separates acquisition.The patent of No. 98126141.8 disclosed being entitled as of Chinese patent " foamed silicon carbide particle reinforced aluminium base composite material and manufacturing process thereof ".This patent is being used TiH
2Add carborundum in the foaming process, obtained good enhancing effect, but this material is not also stepped out pure foam aluminium field.The patent of No. 03100180.7 disclosed being entitled as of another Chinese patent " a kind of high-strength light foamed aluminium composite and preparation method thereof ".This invention is compound with separating the hollow glass bead and the aluminium that obtain in thermal power plant's flyash, preparation closed-cell foam aluminium composite material.The distinguishing feature of this invention is: 1. microballon supports the foamed aluminium cavity increases composite material strength, 2. the thermal insulation of microballon has increased the effect of heat insulation of foamed aluminium, 3. uniformly the microballon size distribution to have overcome cavity size in the conventional foamed aluminium foaming process uneven and influence the difficult problem of product quality.But, select microballon equally also to bring serious negative effect to subsequent technique.Because the microballon granularity is little, the microballon gas permeability that is deposited in the mould is poor, must liquid aluminium can be pressed in the gap of microballon with very high pressure, this causes production bulk or higher than difficulty such as heavy-gauge sheeting and mould depreciable cost, and this patent industrial applicibility scope has been formed the restriction that is difficult to go beyond.Patent similarly also has: patent and the patent of No. 200320115557.7 disclosed being entitled as of Chinese patent " emulation foamed aluminium " of No. 03200299.8 disclosed being entitled as of Chinese patent " foamed aluminium that contains small sealing cavity " all propose fine constructive thought to improving the existing shortcoming of foamed aluminium.But No. 03100180.7, " three property " content of last patent and the above-mentioned Chinese patent of mentioning are identical.It is 1g/cm that the patent in back is selected proportion
3~3.4g/cm
3Spheroid is compound, obviously much larger than expanded vermiculite and perlite or microballon.Though this boundary can increase the intensity of foamed aluminium in the material of ceramic particle specific gravity range, weakens the sound absorbing capabilities of foamed aluminium or has changed foamed aluminium lightweight characteristic.In addition, the coefficient of expansion of any spheroid that this patent requirement is added is identical with metallic aluminium or close, and too Utopian design must cause practicality to reduce.
Summary of the invention:
The objective of the invention is to solve the technical barrier that abscess difficult quality control in the pipe, band, sheet material industrial production of foamed aluminium, foam compression performance etc. are undesirable and effect of heat insulation is not good.The preparation method of a kind of high-magnesium aluminum alloy and expanded vermiculite and perlitic composite is provided.A kind of industrial-scale production pipe, band, preparation method that sheet preparation method, especially cost are low of being beneficial to particularly is provided.
The present invention on composite Materials Design based on following two principles:
(1) outer surface of alloy liquid and inorganic non-metallic particle has wetting action preferably.
(2) guaranteeing composite under mechanical property, combination property good premise such as anticorrosive, the alloy density of choosing is as far as possible little.
Magnesium metal at high temperature chemical activity is strong, is easy to expanded vermiculite, perlite generation chemical reaction.In the aluminium alloy trade mark, some trade mark in the high-magnesium aluminum alloy of selecting, utilize the higher relatively advantage of content of magnesium in the alloy, impel the contact interface of alloy liquid and inorganic non-metallic particle that a little chemical reaction takes place, improve the interface wetting effect, reduce the alloy liquid resistance that in the particle gap, trickles with this, conveniently cast out the cast member of large volume.Simultaneously, the Si-Mg hardening constituent of a little chemical reaction generation also can increase the inwall intensity of metal foam.In addition, high-magnesium aluminum alloy is less, the good comprehensive properties alloy of density in the aluminium alloy trade mark series, and this is beneficial to the composite lightweight.
Composite material of high magnesium aluminium alloy-expanding ore of the present invention is high-magnesium aluminum alloy and expanded vermiculite, perlite, carry out the light composite material of the compound porous that obtains.Method of the present invention is to take following technical scheme to realize: with commercially available purity is that metal M g, Mn, Cu, Si, Fe, Al, Zn, Cr 99.5% or more is alloy raw material, and in the high-magnesium aluminum alloy scope, the selection alloy density is less than 2.7g/cm
3Four kinds of trades mark, it is respectively: 5182,5083,5454,5052; In the chemical composition scope that four kinds of trade mark alloys require, prepare representational alloy according to following percentage by weight, 5182 consist of: Mg=4.65%, Mn=0.35%, Cu=0.10%, Si=0.14%, Fe=0.20%, Al surplus.5083 consist of: Mg=4.5%, Mn=0.5%, Cu=0.10%, Si=0.4%, Zn=0.25%, Al surplus.5454 consist of: Mg=3.0%, Mn=0.8%, Cu=0.07%, Si=0.12%, Fe=0.20%, Cr=0.08%, Al surplus.5052 consist of: Mg=2.5%, Mn=0.1%, Cu=0.1%, Si=0.45%, Zn=0.25%, Al surplus.Wherein Mn, Cu, Si, Fe and Cr are mixed with intermediate alloy in advance and add with the intermediate alloy form.To be another primary raw material of the present invention, commercially available expanded vermiculite and perlite are sieved out following grain size intervals with Taylor standard sieve: 8~12 orders, 8~18 orders, 12~14 orders, 12~18 orders, 12~24 orders, 14~24 orders and 18~24 orders through expanded homemade perforate vermiculite, perforate perlite, the spherical vermiculite of closed pore or closed pore Uniones rock.Can select wherein a kind of expanded vermiculite or fine perlite of size distribution, be put in the suction pouring mould, adjust the particle gap to adjust air permeability and bulk density with vibrations or stocky method, expanded vermiculite in the preheated mold or fine perlite particle, preheat temperature are controlled at 150 ℃~450 ℃.Starting vavuum pump makes the vacuum of vacuum tank reach 0.06Pa.In 680 ℃~800 ℃ heat fused alloys is liquid, open liquid alloy and inhale connector between the casting nozzle, open vacuum hand valve and begin to inhale casting, inhaling the teeming speed degree is 0.05m/s~0.5m/s, inhaling casting finishes, the high-frequency induction heat treatment of cooling and demolding, goods obtains composite material of high magnesium aluminium alloy-expanding ore.
Preparation method's advantage of the present invention is: with the aircraft industry and the universally recognized high-magnesium aluminum alloy trade mark of automobile industry is alloy raw material, and alloy density is little, is beneficial to the compound material lightweight that goes out; Mg content height in the alloy, the polycrystalline Si generation chemical action in magnesium and vermiculite and the perlite wherein, compound interface is strengthened, and increases the intensity of composite; With natural crystal, particularly just the vermiculite and the perlite of the expanded one-tenth porous mass of energy are raw material through simple high temperature, their aboundresources, cost, controllable granularity lower than glass microballoon, be beneficial to and adjust the permeability of piling up gap and metal liquid, under very little malleation or negative pressure, just can produce pipe, band, sheet material, wearing and tearing to mould are little, reduce equipment depreciation cost and energy consumption.
Description of drawings:
Fig. 1 be the present invention with the expanded vermiculite of perforate the compound horizontal sectional view of composite sample that goes out.
Fig. 2 is the shape appearance figure after the composite sample compression of the present invention.
The specific embodiment:
Embodiment 1:
It is standby to prepare 5182 high-magnesium aluminum alloys according to following percentage by weight, and the concrete chemical composition of alloy is: Mg=4.65%, Mn=0.35%, Cu=0.10%, Si=0.14%, Fe=0.20%, Al surplus.Wherein Mn, Cu, Si, Fe add with the intermediate alloy form.Select that 8 orders are above, 8~12 orders and the expanded vermiculite of 8~18 purpose perforates, be put in the suction pouring mould, after adjusting the particle gap and adjusting air permeability, expanded vermiculite preheat temperature T
bBe controlled at 160 ℃ ± 10 ℃; The melted alloy temperature T
cControl 790 ℃ ± 10 ℃; Vacuum tank vacuum is opened liquid alloy and is inhaled connector between the casting nozzle after reaching maximum, opens vacuum hand valve and begins to inhale casting, inhales cast alloy liquid flowing velocity V with the control of vacuum hand valve
cAt 0.1m/s, cooling and demolding after the suction casting is finished is measured compression performance with universal testing machine, detects density with buoyancy method, and the data that obtained are summarized in table 1.
Table 1:
Granularity (order) | Density (g/cm 3) | Compression performance | ||
Yield point strength/MPa | Compressive strength maximum/MPa | Compression ratio/% | ||
More than 8 orders | 1.383 | 12 | 36 | 54.69 |
8~12 orders | 1.425 | 21 | 128 | 51.96 |
8~18 orders | 1.547 | 41 | 254 | 49.23 |
Embodiment 2:
All the other are with embodiment 1.The concrete chemical composition of 5083 high-magnesium aluminum alloys of preparing is: Mg=4.5%, Mn=0.5%, Cu=0.10%, Si=0.4%, Zn=0.25%, Al surplus.Select 12~14 orders, 12~18 orders and the expanded vermiculite of 12~24 order closed pores.T
b=440℃±10℃。T
c=690℃±10℃。V
c=0.5m/s。The data that obtained are summarized in table 2.
Table 2:
Granularity (order) | Density (g/cm 3) | Compression performance | ||
Yield point strength/MPa | Compressive strength maximum/MPa | Compression ratio/% | ||
12~14 orders | 1.4018 | 32 | 141 | 55.95 |
12~18 orders | 1.5936 | 49 | 162 | 58.79 |
12~24 orders | 1.6578 | 52 | 157 | 46.86 |
Embodiment 3:
All the other are with embodiment 1.The concrete chemical composition of 5454 high-magnesium aluminum alloys of preparing is: Mg=3.0%, Mn=0.8%, Cu=0.07%, Si=0.12%, Fe=0.20%, Cr=0.08%, Al surplus.Select 14~24 purpose perforates and closed pore fine perlite.T
c=750℃±10℃。V
c=0.05m/s。The data that obtained are summarized in table 3.
Table 3:
Pearl petrosal foramen condition | Granularity (order) | Density (g/cm 3) | Compression performance | ||
Yield point strength/MPa | Compressive strength maximum/MPa | Compression ratio/% | |||
Perforate | 14~24 orders | 1.4184 | 14 | 136 | 64.23 |
Closed pore | 14~24 orders | 1.5305 | 40 | 245 | 54.18 |
Embodiment 4:
All the other are with embodiment 1.The concrete chemical composition of 5052 high-magnesium aluminum alloys of preparing is: Mg=2.5%, Mn=0.1%, Cu=0.1%, Si=0.45%, Zn=0.25%, Al surplus.Select 18~24 purpose closed pore fine perlites.T
b=300℃±10℃。T
c=720℃±10℃。V
c=0.3m/s。The data that obtained are summarized in table 4.
Table 4:
Granularity (order) | Density (g/cm 3) | Compression performance | ||
Yield point strength/MPa | Compressive strength maximum/MPa | Compression ratio/% | ||
18~24 orders | 1.8146 | 62 | 184 | 46.64 |
18~24 orders | 1.5605 | 16 | 74 | 34.71 |
Claims (8)
1, a kind of preparation method of composite material of high magnesium aluminium alloy-expanding ore, it is characterized in that: with commercially available purity is that metal M g, Mn, Cu, Si, Fe, Al, Zn, Cr more than 99.5% is alloy raw material, in the high-magnesium aluminum alloy scope, select alloy density less than 2.7g/cm
3, the alloy of preparing according to following percentage by weight 5182 consists of: Mg=4.65%, Mn=0.35%, Cu=0.10%, Si=0.14%, Fe=0.20%, Al surplus; Wherein Mn, Cu, Si, Fe and Cr are mixed with intermediate alloy in advance and add with the intermediate alloy form; With the expanded homemade perforate vermiculite of process, perforate perlite, the spherical vermiculite of closed pore or closed pore Uniones rock is another primary raw material of the present invention; Expanded vermiculite or perlite sieve out following grain size intervals with Taylor standard sieve: the 8-24 order; Expanded vermiculite or fine perlite with above-mentioned grain size intervals, be put in the suction pouring mould, adjust the particle gap to adjust air permeability and bulk density with vibrations or stocky method, expanded vermiculite in the preheated mold or fine perlite particle, preheat temperature is controlled at 150~450 ℃, starting vavuum pump makes vacuum tank vacuum reach 0.06Pa, become liquid in 680~800 ℃ of heat fused alloys, open liquid alloy and inhale connector between the casting nozzle, open vacuum hand valve and begin to inhale casting, inhale the teeming speed degree and be controlled at 0.05m/s~0.5m/s, inhale casting and finish cooling and demolding, goods high-frequency induction heat treatment promptly obtains a kind of composite material of high magnesium aluminium alloy-expanding ore of the present invention.
2. the preparation method of a kind of composite material of high magnesium aluminium alloy-expanding ore as claimed in claim 1 is characterized in that: described high-magnesium aluminum alloy is 5083 to consist of: Mg=4.5%, Mn=0.5%, Cu=0.10%, Si=0.4%, Zn=0.25%, Al surplus; Change vermiculite or perlite grain size intervals: 12~14 orders.
3. the preparation method of a kind of composite material of high magnesium aluminium alloy-expanding ore as claimed in claim 1 is characterized in that: high-magnesium aluminum alloy is 5454 to consist of: Mg=3.0%, Mn=0.8%, Cu=0.07%, Si=0.12%, Fe=0.20%, Cr=0.08%, Al surplus; Vermiculite or perlite grain size intervals: 14~24.
4. as the sharp preparation method who requires 1 described a kind of composite material of high magnesium aluminium alloy-expanding ore, it is characterized in that: described high-magnesium aluminum alloy is 5052 to consist of: Mg=2.5%, Mn=0.1%, Cu=0.1%, Si=0.45%, Zn=0.25%, Al surplus; Change vermiculite or perlite grain size intervals: 18~24 orders.
5. the preparation method of a kind of composite material of high magnesium aluminium alloy-expanding ore as claimed in claim 1 is characterized in that: expanded vermiculite or perlite grain size intervals: 8~12 orders.
6. require the preparation method of 1 described a kind of composite material of high magnesium aluminium alloy-expanding ore as power, it is characterized in that: expanded vermiculite or perlite grain size intervals: 8~18 orders.
7. require the preparation method of 2 described a kind of composite material of high magnesium aluminium alloy-expanding ore as power, it is characterized in that: expanded vermiculite or perlite grain size intervals: 12~18 orders.
8. require the preparation method of 2 described a kind of composite material of high magnesium aluminium alloy-expanding ore as power, it is characterized in that: expanded vermiculite or perlite grain size intervals: 12~24 orders.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101191079A CN100341644C (en) | 2005-12-26 | 2005-12-26 | Process for preparing composite material of high magnesium aluminium alloy-expanding ore |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101191079A CN100341644C (en) | 2005-12-26 | 2005-12-26 | Process for preparing composite material of high magnesium aluminium alloy-expanding ore |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1792504A true CN1792504A (en) | 2006-06-28 |
CN100341644C CN100341644C (en) | 2007-10-10 |
Family
ID=36804266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101191079A Expired - Fee Related CN100341644C (en) | 2005-12-26 | 2005-12-26 | Process for preparing composite material of high magnesium aluminium alloy-expanding ore |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100341644C (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100418672C (en) * | 2007-02-12 | 2008-09-17 | 哈尔滨工业大学 | Preparation method of aluminium-based porous composite material with micro confined hole |
CN100469921C (en) * | 2006-12-15 | 2009-03-18 | 中国科学院长春应用化学研究所 | Prepn process of pore forming agent for porous magnesium alloy and porous aluminium and its pore forming method |
CN100569972C (en) * | 2007-10-16 | 2009-12-16 | 中国科学院长春应用化学研究所 | The preparation method of a kind of porous magnesium-expansion perlite or porous AZ91 magnesium alloy-expansion perlite composition material |
CN101899599A (en) * | 2010-07-23 | 2010-12-01 | 哈尔滨工程大学 | Preparation method of magnesium and porous beta-calcium phosphate composite material and vacuum suction casting instrument |
CN101413078B (en) * | 2007-10-16 | 2010-12-08 | 中国科学院长春应用化学研究所 | Preparation of ultra-high electron alloy capable of making injection body deviate |
CN103586441A (en) * | 2013-10-24 | 2014-02-19 | 中国科学院长春应用化学研究所 | Method for improving peel strength of sandwich beam by aid of rare earth |
CN103273964B (en) * | 2013-06-18 | 2015-09-09 | 山东丽驰新能源汽车有限公司 | A kind of electric car body base plate and preparation method thereof |
CN106316140A (en) * | 2016-08-05 | 2017-01-11 | 雷春生 | Method for preparing high-strength electric engineering noise elimination material |
CN109465426A (en) * | 2018-12-28 | 2019-03-15 | 王楷煌 | A kind of high-performance through-hole foam aluminum material and its preparation process |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1075562C (en) * | 1998-12-25 | 2001-11-28 | 北京航空材料研究院 | Foamed silicon carbide particle reinforced aluminium base composite material and its producing technology |
CN1101478C (en) * | 2000-11-23 | 2003-02-12 | 李道韫 | Process for preparing foam metal |
CN2617778Y (en) * | 2003-01-09 | 2004-05-26 | 哈尔滨工业大学 | Foamed aluminium with closed microcavity |
CN1219089C (en) * | 2003-01-09 | 2005-09-14 | 哈尔滨工业大学 | High strength foam composite aluminum materials and preparation thereof |
-
2005
- 2005-12-26 CN CNB2005101191079A patent/CN100341644C/en not_active Expired - Fee Related
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100469921C (en) * | 2006-12-15 | 2009-03-18 | 中国科学院长春应用化学研究所 | Prepn process of pore forming agent for porous magnesium alloy and porous aluminium and its pore forming method |
CN100418672C (en) * | 2007-02-12 | 2008-09-17 | 哈尔滨工业大学 | Preparation method of aluminium-based porous composite material with micro confined hole |
CN100569972C (en) * | 2007-10-16 | 2009-12-16 | 中国科学院长春应用化学研究所 | The preparation method of a kind of porous magnesium-expansion perlite or porous AZ91 magnesium alloy-expansion perlite composition material |
CN101413078B (en) * | 2007-10-16 | 2010-12-08 | 中国科学院长春应用化学研究所 | Preparation of ultra-high electron alloy capable of making injection body deviate |
CN101899599A (en) * | 2010-07-23 | 2010-12-01 | 哈尔滨工程大学 | Preparation method of magnesium and porous beta-calcium phosphate composite material and vacuum suction casting instrument |
CN101899599B (en) * | 2010-07-23 | 2012-05-09 | 哈尔滨工程大学 | Preparation method of magnesium and porous beta-calcium phosphate composite material and vacuum suction casting instrument |
CN103273964B (en) * | 2013-06-18 | 2015-09-09 | 山东丽驰新能源汽车有限公司 | A kind of electric car body base plate and preparation method thereof |
CN103586441A (en) * | 2013-10-24 | 2014-02-19 | 中国科学院长春应用化学研究所 | Method for improving peel strength of sandwich beam by aid of rare earth |
CN103586441B (en) * | 2013-10-24 | 2015-04-08 | 中国科学院长春应用化学研究所 | Method for improving peel strength of sandwich beam by aid of rare earth |
CN106316140A (en) * | 2016-08-05 | 2017-01-11 | 雷春生 | Method for preparing high-strength electric engineering noise elimination material |
CN106316140B (en) * | 2016-08-05 | 2019-01-01 | 徐琳 | A kind of preparation method of high intensity electrical engineering deadener |
CN109465426A (en) * | 2018-12-28 | 2019-03-15 | 王楷煌 | A kind of high-performance through-hole foam aluminum material and its preparation process |
CN109465426B (en) * | 2018-12-28 | 2020-12-11 | 王楷煌 | High-performance through-hole foamed aluminum material and preparation process thereof |
Also Published As
Publication number | Publication date |
---|---|
CN100341644C (en) | 2007-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100341644C (en) | Process for preparing composite material of high magnesium aluminium alloy-expanding ore | |
CA2759758C (en) | Process and device for the preparation of hollow microspheres | |
CN104313383B (en) | A kind of preparation method of closed-cell foam composite material of magnesium alloy | |
CN103726606B (en) | The composite aerated brick of a kind of insulation and forming method thereof and device | |
CN104046826B (en) | A kind of foam magnesium sill and preparation method thereof | |
CN104004937A (en) | Preparation method of high-porosity through-hole aluminum or aluminum alloy foam | |
CN109513941B (en) | Preparation device and preparation method of hollow aluminum alloy microspheres | |
CN101032828A (en) | Compound forming method of insulating brick and insulating material | |
CN105903969A (en) | Porous copper material with directional layered pores and preparation method of porous copper material | |
CN101844424A (en) | Compound foamed aluminum particle board and manufacturing process thereof | |
CN109252062A (en) | Preparation method of foamed nickel based on P curved surface space structure | |
Miyoshi et al. | Development of a closed cell aluminum alloy foam with enhancement of the compressive strength | |
CN1274856C (en) | Process for preparing foam magnesium | |
CN105236896A (en) | Light high-performance powder concrete and preparation method thereof | |
CN100497695C (en) | Magnesium-base porous compound material and method of producing the same | |
CN105855550A (en) | Technology method for filling bearable molded body structure with rare earth foamed aluminum | |
CN106670474A (en) | Preparation method of foam aluminum sandwich panel | |
CN100341645C (en) | Process for preparing foam composite material of magnesium alloy-pearlite | |
CN110512154B (en) | Aluminum-based composite material with layered and hollow ceramic ball composite structure and preparation method thereof | |
CN111172419B (en) | Basalt particle reinforced foam aluminum alloy and preparation method and application thereof | |
CN115635077A (en) | Preparation method for additive manufacturing of ceramic particle reinforced metal matrix composite | |
CN102837352A (en) | Technique for producing artificial culture stone | |
CN107552796A (en) | A kind of method that foam metal is prepared by resin microsphere accumulation | |
CN100569972C (en) | The preparation method of a kind of porous magnesium-expansion perlite or porous AZ91 magnesium alloy-expansion perlite composition material | |
CN201736482U (en) | Composite foam aluminum particle board |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
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 | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20100126 |