CN105647110A - Polyetheretherketone/foam nickel-base alloy bicontinuous composite material used under corrosive medium erosion working conditions and preparation method thereof - Google Patents

Polyetheretherketone/foam nickel-base alloy bicontinuous composite material used under corrosive medium erosion working conditions and preparation method thereof Download PDF

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CN105647110A
CN105647110A CN201610005393.4A CN201610005393A CN105647110A CN 105647110 A CN105647110 A CN 105647110A CN 201610005393 A CN201610005393 A CN 201610005393A CN 105647110 A CN105647110 A CN 105647110A
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foam
base alloy
ether
polyether
ketone
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CN105647110B (en
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杨晓光
段德莉
薛伟海
高禩洋
姜胜利
刘阳
李曙
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Institute of Metal Research of CAS
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0862—Nickel

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

The invention discloses a polyetheretherketone/foam nickel-base alloy bicontinuous composite material used under corrosive medium erosion working conditions and a preparation method thereof. The preparation method comprises the following steps: processing a foam nickel-base alloy plate into the required shape, and pressing molten polyetheretherketone into the columnar foam nickel-base alloy by compression molding to obtain a complete-structure compact-filling polyetheretherketone/foam nickel-base alloy bicontinuous composite material. The composite material is composed of a matrix which is respectively continuous in the three-dimensional directions and a reinforcer. The composite material has a three-dimensional topological structure, and has the advantages of continuous and uniform distribution and favorable interface binding force. The metal material used as the reinforcer is beneficial to dispersion and stress transfer, and thus, the composite material has favorable heat-conducting effect. The nickel-base alloy (containing chromium and aluminum) has high corrosion resistance. The polyetheretherketone material has the advantages of high specific strength and favorable wear resistance, and can obtain favorable erosion resistance effect. The material has controllable dimension, and can be used instead of the traditional material or used as the traditional material liner under corrosive medium erosion working conditions.

Description

For Ni-based alloy double continuous composite material of the polyether-ether-ketone/foam under corrosive medium erosion operating mode and preparation method thereof
Technical field
The present invention relates to the bicontinuous composites under corrosive medium erosion operating mode and preparing technical field thereof, be specially a kind of for Ni-based alloy double continuous composite material of the polyether-ether-ketone/foam under corrosive medium erosion operating mode and preparation method thereof.
Background technology
Erosive wear refers to that material surface is impacted with certain speed and angle in swiftly flowing carrier and causes the phenomenon of spillage of material by the loose little granule of certain particle size, and this wear phenomenon is owing to affecting extensively, destroying the concern being seriously constantly subjected to Chinese scholars. But, in major part erosion situation, the participation of Korrosionsmedium (corrosivity carrier or erosive parti) further exacerbates the destruction of material, reduces the life-span of material. In hydrometallurgy process, corrosive liquids mixes a certain proportion of liquid-solid mixed ore pulp of composition with slag, it reacts or when at a high speed (0.5��5m/s) transports in the duct in high-temperature kettle, various pipe, valve, pump, tank, agitating device etc. can be caused all under the erosion operating mode of corrosive medium, particularly in the complex working condition of Fluid-particle two-phase flows erosion, make bearing part that defect to occur too early, reduce work efficiency and the service life of integral device. The life-span of carrier-borne aircraft is substantially reduced and is because in engine working process, has sucked the gas of saline mist, and high-speed gas is mingled with the critical components such as corrosivity drop damaged blade so that it is premature failure. So far, it is always up the focus of people's research for the material needed for corrosion-resistant medium erosion operating mode, but does not still have a kind of material to can be good at solving corrosive medium erosion problem.
Existing composite mainly uses small fiber and granule that matrix material is strengthened, and such material mainly adopts injection molding forming method to prepare, but this method dynamic model temperature is relatively low, can only the material of straight forming after mixing be prepared.And be the composite strengthening phase for foam nickel-base alloy, owing to, in injection molding process, foamed materials hole rate is big, intensity is low, very easily conquassation deformation under bigger pressure, and each mutually uniform composite cannot be prepared. Y.Liu et al. [Preparationanditscavitationperformanceofnickelfoam/epoxy/SiCco-continuouscomposites] adopts the method for dipping under vacuum to be prepared for filling fine and close epoxy resin/nickel foam bicontinuous composites, but epoxy resin viscosity in the curing process is relatively low, it is possible to immerse voluntarily under vacuum conditions smoothly in nickel foam. Compared to epoxy resin, polyetheretherketonematerials materials specific strength is high, and anti-wear performance is good, but for the higher polyether-ether-ketone of viscosity under molten condition, adopts vacuum infusion techniques to be difficult to fill. Therefore the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam can not be prepared by conventional method.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art part, there is provided a kind of for Ni-based alloy double continuous composite material of the polyether-ether-ketone/foam under corrosive medium erosion operating mode and preparation method thereof, polyether-ether-ketone/foam Ni-based alloy double the continuous composite material prepared by the method shows good erosive wear resistance in corrosive medium erosion is tested, and the corrosive medium erosion problem for solving flow passage components provides a kind of new way.
The technical scheme is that
A kind of for the Ni-based alloy double continuous composite material of the polyether-ether-ketone/foam under corrosive medium erosion operating mode, the composite that described bicontinuous composites is made up of polyether-ether-ketone matrix and foam nickel-base alloy reinforcement, described polyether-ether-ketone is filled in foam nickel-base alloy skeleton and forms bicontinuous structure; Volumn concentration shared by matrix polyether-ether-ketone in the Ni-based alloy double continuous composite material of described polyether-ether-ketone/foam is 64��99%.
In described bicontinuous composites, matrix and reinforcement are all continuous on three-dimensional, and two phase material is evenly distributed, have three dimensions topological structure, interface binding power is strong.
First the Ni-based alloy sheets of described foam is made porous nickel mesh by polyurethane foam through conductive treatment, plating and reduction sintering, re-uses powder investment and porous nickel mesh chromising or aluminising are made the Ni-based alloy sheets of foam; Finally adopt numerically controlled wire cutting machine that porous nickel mesh is processed into the foam nickel-base alloy of required form. Structure and technical specification according to required polyether-ether-ketone/nickel foam bicontinuous composites choose suitable porous nickel mesh, and the porosity of porous nickel mesh is 64��99%, aperture size 0.18��0.87mm, and hole density is 50��130PPI.
The present invention for the preparation method of the bicontinuous composites under corrosive medium erosion operating mode is: after first porous nickel mesh is prepared into the Ni-based alloy sheets of foam of required form, then adopt compression molding method to be pressed in foam nickel-base alloy by the polyetheretherketonematerials materials of molten condition and form composite construction, after having embossed, this composite construction is annealed heat treatment, finally obtains structural integrity, the Ni-based alloy double continuous composite material of the close polyether-ether-ketone/foam of filling.
Described compression molding method carries out in molding die, in forming process, and 10 DEG C/min of programming rate, mould temperature 370��380 DEG C, temperature retention time 10min, pressing speed 0.4MPa/min, clamping pressure 4MPa, dwell time 15min.
Described annealing heat treatment is to put into the composite in cooling after compression molding in baking oven to carry out; Wherein: annealing temperature 210 DEG C, temperature retention time 40min, with stove Slow cooling.
Before compression molding method prepares bicontinuous composites, first use ethanol and petroleum ether that foam nickel-base alloy carries out ultrasonic waves for cleaning that duration is 10min respectively successively, remove the oil stain in raw material and be dissolved in the impurity of water; Polyether-ether-ketone powder and nickel foam are carried out 150 DEG C, 3h dried again, removes moisture contained in dusty material; Before compression molding, polyether-ether-ketone powder is placed in mould and applies the pressure the being not less than 35MPa air to get rid of in mould simultaneously.
The Ni-based alloy sheets of described foam, according to the structure needed for bicontinuous composites, it is determined that its specification and size.
Bicontinuous composites prepared by the present invention is for substituting traditional material or using as traditional material liner under corrosive medium (corrosivity carrier or erosive parti) erosion working condition.
The invention has the beneficial effects as follows:
1, the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam will be used in corrosive medium erosion operating mode, hydrometallurgical plant can produce swiftly flowing corrosivity carrier in operation process, these carriers are taken solid particle and are entered in consersion unit, flow through the pipe of equipment, valve, pump, tank and agitating device etc. Therefore composite must possess isotropic, higher decay resistance, excellent binding ability and good comprehensive mechanical property, and conventional composites materials cannot meet this requirement. Invented for the bicontinuous composites under corrosive medium erosion operating mode and technology of preparing thereof for this, the polyether-ether-ketone of preparation/foam nickel-base alloy shows well under the erosion operating mode of corrosive medium.
2, the present invention is using polyether-ether-ketone as the matrix of bicontinuous composites; polyether-ether-ketone is a kind of hypocrystalline high-performance special macromolecular material; there is the mechanical property of excellence, good decay resistance and excellent endurance destructive characteristics, it is possible to Reinforced by Metal is played a good protection mutually.
3, the reinforcement that the present invention is bicontinuous composites with foam nickel-base alloy, improves the decay resistance of nickel-base material by chromising in nickel foam or aluminising with entirety. Use foam metal as the reinforcement of bicontinuous composites, play dispersion-strengthened action on the one hand, also help dispersion and the transmission of heat and stress on the other hand.
4, adopt compression molding method that bicontinuous composites is prepared, determine in preparation process and minimum choke the nickel foam that pressure makes intensity relatively low and do not deformed by conquassation in choking process; A plurality of exhaust passage has been offered, in order to make full-bodied molten state polyether-ether-ketone be totally immersed in the foam nickel-base alloy of hole only small (about about 200 ��m) at the upper and lower seam of molding die.
5, bicontinuous composites is carried out the annealing heat treatment under uniform temperature, by bicontinuous composites being carried out the annealing heat treatment of 40min at 210 DEG C, the degree of crystallinity of polyetheretherketonematerials materials can be greatly improved in the short period and promoting the comprehensive mechanical property of bicontinuous composites further.
Accompanying drawing explanation
Fig. 1 is the preparation technology flow process of bicontinuous composites of the present invention.
Fig. 2 is that the present invention prepares the compression molding device used in bicontinuous composites process.
In figure: 1-compression leg; 2-feed compartment; The upper mould of 3-; 4-counterdie; 5-work platforms; 6-polyether-ether-ketone powder; 7-foam nickel-base alloy; 8-jack.
Fig. 3 is the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam of prepared matrix material percentage composition 97%; Wherein: (a) is the Ni-based alloy double continuous composite material of (�� 30 �� 10) mm polyether-ether-ketone/foam of preparation molding;B () is the Ni-based alloy double continuous composite material surface microscopic topographic of polyether-ether-ketone/foam.
Detailed description of the invention
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
The present invention is for Ni-based alloy double continuous composite material of the polyether-ether-ketone/foam under corrosive medium erosion operating mode and preparation method thereof, the preparation flow of this composite is as shown in Figure 1, it is after foam nickel-base alloy is processed into required shape, compression molding method is adopted to be pressed in foam nickel-base alloy skeleton by the polyether-ether-ketone of molten state, it is thus achieved that structural integrity, the Ni-based alloy double continuous composite material of the close polyether-ether-ketone/foam of filling. The structure of compression molding device used is as shown in Figure 2.
This compression molding device includes work platforms 5, upper mould 3, counterdie 4, feed compartment 2 and compression leg 1; Counterdie 4 is fixed on work platforms, and upper mould is fixed on counterdie 4, and the inner chamber of upper mould 3 places foam nickel-base alloy 7, and inner chamber can be designed according to the shape and size of composite to be prepared; Feed compartment 2 is placed on mould 3, is matched by the jack 8 of the compression leg 1 on feed compartment 2 top and work platforms bottom, is pressed into by polyether-ether-ketone in foam nickel-base alloy skeleton. In this compression molding device, compression leg 1 and counterdie 4 are all offered exhaust passage (being opened on the surface contacted with raw material), it is respectively used to discharge the gas in raw material polyether-ether-ketone powder 6 and lower mold cavity, thus the bicontinuous composites avoiding preparation has the defects such as hole.
Polyether-ether-ketone/foam of the present invention Ni-based alloy double continuous composite material preparation technology detailed process following (referring to Fig. 1):
1, the preparation of nickel foam and process
According to size and the technical requirement of bicontinuous composites, by calculating, it is determined that the specification of porous nickel mesh, namely surface density, aperture, thickness, porosity, chromium aluminum content etc., select nickel foam chromium plate superior in quality, porous nickel. Adopt numerically controlled wire cutting machine to be processed as the column foam nickel chromium triangle of required size, need to ensure that nickel foam chromium plate keeps smooth in the process of cutting, it is ensured that the uniformity of the size of column foam nickel chromium triangle; Adopt water base coolant as cutting liquid, avoid the pollution of foam nickel chromium triangle as far as possible. Nickel foam adds it to Ultrasonic 10min in ethanol after having cut, finally with petroleum ether sonic oscillation 10min; Dry in an oven, then samples weighing, measure its size, and it is standby to be placed in drying baker.
2, the preparation of polyether-ether-ketone powder and process
According to the technical requirement of bicontinuous composites, by calculating, it is determined that the quality of polyether-ether-ketone powder. It is carried out 150 DEG C, the dried of 3h, discharges the water in polyether-ether-ketone powder. Powder after processing is put in drying baker standby.
3, compression molding method prepares bicontinuous composites
First the polyether-ether-ketone powder after process is put in molding die, to the additional air in its pressure venting mould applying 35MPa and powder. Then column foam nickel-base alloy is put into molding die equally, with the heating rate of 10 DEG C/min, mould is heated to 380 DEG C, with the speed of 0.4MPa/min, bicontinuous composites is slowly applied clamping pressure after insulation 10min so as not to due between mould tolerance make more greatly polyether-ether-ketone all overflow, control final clamping pressure less than 4MPa in order to avoid foam nickel-base alloy conquassation being deformed. Last pressurize 15min guarantees that the polyether-ether-ketone of molten condition is totally immersed in the foam nickel-base alloy that aperture is tiny, and power-off is lowered the temperature.
4, the heat treatment of bicontinuous composites
Bicontinuous composites mechanical property after compression molding is still unstable, it is necessary to it is carried out the annealing heat treatment of uniform temperature. When material to be composite is cooled to 230 DEG C with mould, put it in the baking oven being warming up to 210 DEG C in advance, be incubated 40min so that the degree of crystallinity of polyether-ether-ketone maximizes in composite. After cooling to room temperature with the furnace, composite is taken out and the demoulding. Finally give the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam of stable mechanical property, compact structure, composite performance index.
Embodiment 1:
The preparation of the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam of matrix material percentage composition 97%:
Exemplar needed for tester for testing scouring wear is of a size of (�� 30 �� 10) mm, it is therefore desirable to the bicontinuous composites that preparation Pass Test machine is installed. Selection body density is 0.26g/cm3, aperture be 100PPI, porosity is 97.1%, is of a size of 1000mm �� 1000mm �� the nickel foam chromium plate (chromium content 12%) of 10mm, the column nickel foam evanohm of (�� 30 �� 10) mm it is processed into, respectively through 10min ethanol and petroleum ether ultrasonic waves for cleaning and dry and weigh with numerically controlled wire cutting machine.
The polyether-ether-ketone powder used provides for Jilin University, and its particle diameter is 200 ��m. Weigh 10g polyether-ether-ketone powder put it into the dried carrying out 150 DEG C of duration 3h in baking oven.
Putting in molding die by dried powder, the precompression applying 35MPa is compacted into into bulk, putting into the column foam nickel-base alloy after process. Heat mould with the programming rate of 10 DEG C/min and to 380 DEG C and be incubated 10min. With the speed of 0.4MPa/min, mould being slowly forced into 4MPa, after pressurize 15min, power-off is lowered the temperature. After material to be composite is cooled to 230 DEG C, put it into insulation 40min in the baking oven being preheated to 210 DEG C, then cool to room temperature demoulding sampling with the furnace, obtain the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam that polyether-ether-ketone volume basis amount is 97%
Fig. 3 is the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam of prepared matrix material percentage composition 97%. Through observing, bicontinuous composites surfacing prepared by the present embodiment, internal filling is uniformly complete, and the volume basis amount of polyether-ether-ketone is about 97%, it is possible to tests exemplar as erosion and carries out related experiment.
Polyether-ether-ketone/foam Ni-based alloy double continuous composite material of matrix material percentage composition 97% prepared by use the present embodiment and pure polyether-ether-ketone carry out following two erosions experiment respectively:
1. at the H of mass fraction 1%2SO4In solution, mixing quality mark is the ore particles (275 order) of 5%, with the speed of 30m/s, this mixed slurry is impacted material sample surface, and it is carried out the jet experiment of duration 2h, the angle of attack 90 ��.
2. at the H of mass fraction 1%2SO4In solution, mixing quality mark is the ore particles (275 order) of 5%, with the speed of 30m/s, this mixed slurry is impacted material sample surface, and it is carried out the jet experiment of duration 2h, the angle of attack 30 ��.
After the erosion of the two above difference angle of attack is tested, measure and contrast the Volume Loss amount (mm before and after polyetheretherketonematerials materials and the Ni-based alloy double continuous composite material experiment of polyether-ether-ketone/foam3). Experimental result shows, polyetheretherketonematerials materials under 90 �� and 30 �� of angles of attack, Volume Loss amount respectively 29.5mm3And 6.4mm3; The Ni-based alloy double continuous composite material of polyether-ether-ketone/foam under 90 �� and 30 �� of angles of attack, Volume Loss amount respectively 11.8mm3And 5.7mm3.Experiment proves no matter polyether-ether-ketone/foam Ni-based alloy double continuous composite material is under the big angle of attack or under Low Angle Of Attack, its Volume Loss amount is respectively less than the Volume Loss amount of pure polyether-ether-ketone, therefore illustrate that foam nickel-base alloy is improved as the bicontinuous composites erosive wear resistance prepared by reinforcement using polyether-ether-ketone as matrix.

Claims (10)

1. the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam being used under corrosive medium erosion operating mode, it is characterized in that: the composite that described bicontinuous composites is made up of polyether-ether-ketone matrix and foam nickel-base alloy reinforcement, described polyether-ether-ketone is filled in foam nickel-base alloy skeleton and forms bicontinuous structure, in the Ni-based alloy double continuous composite material of described polyether-ether-ketone/foam, volumn concentration shared by matrix polyether-ether-ketone is 64��99%.
2. bicontinuous composites according to claim 1, it is characterised in that: in described bicontinuous composites, matrix and reinforcement are all continuous at three-dimensional, and two phase material is evenly distributed, has three dimensions topological structure.
3. bicontinuous composites according to claim 1, it is characterised in that: described foam nickel-base alloy is that nickel foam is carried out chromising by employing powder investment or aluminising is made.
4. bicontinuous composites according to claim 3, it is characterised in that: the porosity of described nickel foam is 64��99%, aperture size 0.18��0.87mm, and hole density is 50��130PPI.
5. bicontinuous composites according to claim 1, it is characterised in that: described bicontinuous composites is applied in the erosion operating mode that corrosive medium exists.
6. the preparation method of bicontinuous composites according to claim 1, it is characterized in that: first the method chooses the foam nickel-base alloy of required specification and shape, then adopt compression molding method to be pressed in foam nickel-base alloy by the polyetheretherketonematerials materials of molten condition and form composite construction, after having embossed, this composite construction is annealed heat treatment, namely obtains the Ni-based alloy double continuous composite material of polyether-ether-ketone/foam.
7. the preparation method of bicontinuous composites according to claim 6, it is characterized in that: described compression molding method carries out in molding die, in forming process, 10 DEG C/min of programming rate, mould temperature 370��380 DEG C, temperature retention time 10min, pressing speed 0.4MPa/min, clamping pressure 4MPa, dwell time 15min.
8. the preparation method of bicontinuous composites according to claim 6, it is characterised in that: described annealing heat treatment is that composite construction compression molding obtained is put in baking oven, and it is annealed heat treatment; Wherein: annealing temperature 210 DEG C, temperature retention time 40min, with stove Slow cooling.
9. the preparation method of bicontinuous composites according to claim 6, it is characterized in that: before adopting compression molding method to prepare bicontinuous composites, first adopt successively ethanol and petroleum ether that foam nickel-base alloy is carried out ultrasonic waves for cleaning, scavenging period is 10min, with the oil stain removed in raw material and the impurity being dissolved in water; Polyether-ether-ketone powder and foam nickel-base alloy are carried out 150 DEG C, 3h dried again, removes contained humidity in dusty material; Before compression molding, polyether-ether-ketone powder is placed in mould and applies the pressure the being not less than 35MPa air to get rid of in mould simultaneously.
10. the preparation method of bicontinuous composites according to claim 6, it is characterised in that: described foam nickel-base alloy is according to the structure of required bicontinuous composites, it is determined that its specification and size.
CN201610005393.4A 2016-01-06 2016-01-06 For the polyether-ether-ketone under corrosive medium erosion operating mode/foam nickel-base alloy bicontinuous composites and preparation method thereof Expired - Fee Related CN105647110B (en)

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Citations (2)

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Publication number Priority date Publication date Assignee Title
CN102501357A (en) * 2011-12-09 2012-06-20 长沙理工大学 Polymer/foamed aluminium composite material and production method thereof
CN103113715A (en) * 2012-12-18 2013-05-22 河北工业大学 Preparation method of composite material of epoxy resin and closed-cell foamed aluminum

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN102501357A (en) * 2011-12-09 2012-06-20 长沙理工大学 Polymer/foamed aluminium composite material and production method thereof
CN103113715A (en) * 2012-12-18 2013-05-22 河北工业大学 Preparation method of composite material of epoxy resin and closed-cell foamed aluminum

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* Cited by examiner, † Cited by third party
Title
Y.LIU ET AL: "Preparation and its cavitation performance of nickel foam/epoxy/SiC co-continuous composites", 《WEAR》 *
李晓静: "泡沫铝／纳米环氧树脂新型复合材料设计", 《机械工程师》 *

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