CN103807592A - Metal hollow ball/polymer composite material integrated component - Google Patents
Metal hollow ball/polymer composite material integrated component Download PDFInfo
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- CN103807592A CN103807592A CN201410028362.1A CN201410028362A CN103807592A CN 103807592 A CN103807592 A CN 103807592A CN 201410028362 A CN201410028362 A CN 201410028362A CN 103807592 A CN103807592 A CN 103807592A
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Abstract
A metal hollow ball/polymer composite material integrated component is an integrated component composed of hollow metal balls stacked in an inner layer, composite materials with which gaps are filled in the inner layer and hollow metal members on an outer layer, wherein the metal hollow members are in circular or square or tubular or other shapes. The method for preparing the metal hollow ball/polymer composite material integrated component comprises the steps that the metal hollow balls are stacked into the preset metal hollow members, and the polymers are injected into the gaps of the metal hollow balls to form the polymer composite material integrated component. The preparing method is simple, the component is light and good in impacting and energy absorbing characteristic, the composite material integrated component can be designed into different styles according to actual demands, and the metal hollow balls made of different materials and different polymers can be selected according to the demands to obtain different composite material components with different mechanical properties. The metal hollow ball/polymer composite material integrated component has wide application prospects in automobile manufacturing, transportation, civil construction and other fields.
Description
Technical field
The present invention relates to one-piece type member of a kind of composite material and preparation method thereof.
Background technique
Ultra light porous metal material possesses the advantages such as light weight, high specific strength, high specific stiffness, energy-obsorbing and damping because of it, applied in fields such as communications and transportation, Aero-Space, building and military affairs.At present, the most frequently used ultra light porous metal material mainly comprises metal foaming material, cellular material and various dot matrix Sandwich Plates.Along with development in science and technology, the requirement to material in engineering improves gradually, and traditional porous metal material exposes some shortcomings gradually.As, metal foam has pore size and shortcoming pockety, and the short transverse of cellular material causes the problems such as vertical, horizontal mechanical property difference is large.Metal hollow ball porous material is a kind of novel ultra light porous metal material that development in recent years is got up, it is the protection material of a kind of good reply collision, impact and blast, very wide in the application prospect in the fields such as automobile making, space flight and aviation, communications and transportation, civil building.
" heat processing technique " the 18th phase in 2012, in " progress of metal hollow ball " literary composition, mention, metal hollow ball can be carried out to the methods such as sintering or welding and connect, make to form between ball and ball the sintering neck of sufficient intensity, thereby obtain metal foam block materials.The shortcoming of the method is that technique is more complicated, and hollow spheres is arranged random, contains some hollow spheres fragments, and the mechanical property of the integral material of acquisition is not ideal enough.
And metal hollow ball and epoxy resin or other polymer are combined into a kind of material, and by this composite material and surface material directly cast be prepared into the rare report of one-piece type member.
Summary of the invention
The object of the present invention is to provide that a kind of technique is simple, cost is low, composites is good, the not fugitive one-piece type member of metal hollow ball/polymer composites collapsing and preparation method thereof.
The one-piece type member of metal hollow ball/polymer composites of the present invention is that a kind of nexine is to be full of the composite material of polymer in the metal hollow ball piled up and space, and skin is the one-piece type member that the metal hollow member of circular, square, tubular, plate shape or other shape forms.
The preparation method of the one-piece type member of above-mentioned metal hollow ball/polymer composites is as follows:
(1) metal hollow ball pretreatment
Metal hollow ball is carried out to acid solution and alkali lye ungrease treatment, remove surperficial dirt grease, rinse well with clear water, after oven dry, re-use the anhydrous alcohol that is added with 2% volume fraction silane coupler and carry out cleaning, for subsequent use after drying.Described metal hollow ball is that the metallic material such as the metals such as aluminium, steel, copper, nickel or their alloy is made, sphere diameter 1～30mm.
(2) designed component
Member profile is designed to the hollow unit of circle, square, tubular, plate shape and other shape according to actual needs as surface layer, handles step (1) well metal hollow ball and is piled up in component inside.The described hollow unit as surface layer is that aluminium, aluminum alloy, steel or other metallic material are made.
(3) prepared polymer
Be prepared into polymer fluid or molten mass according to variety classes polymer requirement separately.Described polymer is the one in epoxy resin, polyurethane, amino resin, rubber, polypropylene, polyethylene, PVC＝polyvinyl chloride, polystyrene, nylon.
(4) injection of polymer solidifying
By in the member of the polymer fluid preparing or molten mass implantation step (2), after infiltration is stable, solidifies 48 hours at normal temperatures, or solidify 2 hours under 40 ℃～70 ℃ conditions of temperature, or water cooling is solidified, and prepares the one-piece type member that core and surface layer are bonded together.
Metal hollow ball is deposited in default hollow unit, injection of polymer in metal hollow ball accumulation body again, by polymer, metal hollow ball is interconnected, also interconnect with surface material simultaneously, after solidifying, be prepared into the one-piece type member of metal hollow ball/polymer composites, between core and surface layer, also there is no obvious boundary.
The present invention compared with prior art tool has the following advantages:
1, preparation process is simple, and cost is low, strong operability.
2, metal hollow ball can need to design accumulation mode by function, under same accumulation mode, also can be piled into according to actual needs various shapes, core can with the integral type member of surface layer bonds well, reduce the bonding process of core and surface layer, avoided intensity between core and surface layer low and the problem that cracking departs from occurs simultaneously.
3, composites is good, not fugitive collapsing, and component quality is light, and the mechanical property of material is better more stable, impacts energy absorption characteristics good.Have broad application prospects in fields such as automobile making, communications and transportation, civil buildings.
Accompanying drawing explanation:
Fig. 1 is the sectional view of one-piece type member of the present invention.
Embodiment
Embodiment 1
Be 1mm by external diameter, to be 0.08mm aluminum hollow spheres clean by low density HCl acid solution wall thickness, then clean in low density NaoH alkali lye, then rinse well with clear water, after drying, use the ethanol solution that is added with 2% volume fraction silane coupler to clean, for subsequent use after drying.
The above-mentioned metal hollow ball of handling well is deposited in to wall thickness is 0.3mm, be of a size of in the aluminum square tube of 1000 × 50 × 50mm, and one end of square tube is used and the aluminium sheet sealing of the same specification of square tube, holds up square tube, and untight one end is as the inlet of polyurethane.
By expect in vain polyether triol N303 and black material toluene di-isocyanate(TDI) PM200 by volume 1:1 ratio mix after, be mixed with polyurethane fluid, slowly inject in above-mentioned square tube and make polyurethane fully infiltrate the space between metal hollow ball, after watering and filling, the aluminium sheet sealing with same size by inlet again, be placed under 40 ℃ of conditions and solidify 2 hours, obtain the one-piece type square tube member of aluminum hollow spheres/compound polyurethane material.As shown in Figure 1, the one-piece type square tube member nexine of preparation is aluminum hollow spheres 1 and polyurethane 2, and skin is aluminum square tube 3.
Be 5mm by external diameter, to be 0.12mm aluminium-magnesium alloy hollow spheres clean by low density HCl acid solution wall thickness, then clean in low density NaoH alkali lye, then rinse well with clear water, after drying, use the ethanol solution that is added with 2% volume fraction silane coupler to clean, for subsequent use after drying.
The above-mentioned metal hollow ball of handling well is deposited in the member cavities that wall thickness is 1000 × 1000 × 60mm of making of the aluminium sheet of 0.3mm, then that plate of top layer is also installed, and a reserved resin-cast mouth.
The epoxy resin that is E-44 by model and polyamide reactive curing agent (650#) are heated to respectively limpid without bubble in 80 ℃ of water-baths, by epoxy resin and curing agent 1:1 mixing by volume, adding volume fraction is 5% plasticizer phthalic acid dibutyl ester, stirs rapidly and is mixed with epoxy resin fluid.This fluid is slowly injected to above-mentioned member space by sprue gate, epoxy resin fluid is fully penetrated in all spaces between metal hollow ball, till filling, seal sprue gate with the aluminium sheet of same specification again, then at room temperature solidify 48 hours, obtain the one-piece type plate of aluminium-magnesium alloy hollow spheres/epoxy resin composite material.
Be 3mm by external diameter, to be 0.1mm stainless steel hollow spheres clean by low density HCl acid solution wall thickness, then clean in low density NaoH alkali lye, then rinse well with clear water, after drying, use the ethanol solution that is added with 2% volume fraction silane coupler to clean, for subsequent use after drying.
The above-mentioned metal hollow ball of handling well is deposited in to wall thickness is 0.2mm, be of a size of in the stainless pipe of φ 20 × 1000, and one end of pipe is used and the corrosion resistant plate sealing of one control gauge lattice, holds up pipe, and untight one end is as polyacrylic inlet.
Polypropylene is extruded rear with water cooling with double screw extruder; dry; make precursor with pelleter pelletizing; again precursor is injected in the space between the metal hollow ball in above-mentioned pipe by injector; after injection completes; sealing inlet, with obtaining the one-piece type pipe member of stainless steel hollow spheres/PP composite material after water cooling.
Embodiment 4
Be 3mm by external diameter, to be 0.1mm stainless steel hollow spheres clean by low density HCl acid solution wall thickness, then clean in low density NaoH alkali lye, then rinse well with clear water, after drying, use the ethanol solution that is added with 2% volume fraction silane coupler to clean, for subsequent use after drying.
The above-mentioned metal hollow ball of handling well is deposited in to wall thickness is 0.2mm, be of a size of in the stainless pipe of φ 20 × 1000, and one end of pipe is used and the corrosion resistant plate sealing of one control gauge lattice, holds up pipe, and untight one end is as poly inlet.
By polyethylene dual-screw-stem machine fusion plastification, be injected in the space between the metal hollow ball in above-mentioned pipe with single Screw Extrusion, the temperature of extruder heating-up zone is controlled at 130～170 ℃, after injection completes, sealing inlet, with obtaining the one-piece type pipe member of stainless steel hollow spheres/composite polyethylene material after water cooling.
Embodiment 5
Be 20mm by external diameter, to be 0.2mm aluminum alloy hollow spheres clean by low density HCl acid solution wall thickness, then clean in low density NaoH alkali lye, then rinse well with clear water, after drying, use the ethanol solution that is added with 2% volume fraction silane coupler to clean, for subsequent use after drying.
The above-mentioned metal hollow ball of handling well is deposited in the member cavities that wall thickness is 2000 × 2000 × 100mm of making of the aluminium sheet of 0.3mm, then top plate is installed, and a reserved injection hole.
By the rubber slitting having refined, in feeding injection machine, by injection machine, rubber molten mass is injected in above-mentioned tabular cavity, rubber is filled the space between hollow spheres completely full, sealing injection hole, obtains the one-piece type plate of aluminum alloy hollow spheres/rubber composite after water cooling curing.
Embodiment 6
Be 30mm by external diameter, to be 0.2mm aluminum alloy hollow spheres clean by low density HCl acid solution wall thickness, then clean in low density NaoH alkali lye, then rinse well with clear water, after drying, use the ethanol solution that is added with 2% volume fraction silane coupler to clean, for subsequent use after drying.
The above-mentioned metal hollow ball of handling well is deposited in the member cavities that wall thickness is 4000 × 2000 × 180mm of making of the aluminium sheet of 0.3mm, then top plate is installed, and a reserved sprue gate.
By expect in vain polyether triol N303 and black material toluene di-isocyanate(TDI) PM200 by volume 1:1 ratio mix after, be mixed with polyurethane fluid, slowly inject in above-mentioned tabular cavity, polyurethane is fully infiltrated in the space between metal hollow ball, after watering and filling, the aluminium sheet sealing with same size by inlet again, is placed under 60 ℃ of conditions and solidifies 2 hours, obtains the one-piece type side's board member of aluminum alloy hollow spheres/compound polyurethane material.
Claims (4)
1. the one-piece type member of metal hollow ball/polymer composites, it is characterized in that: it is that a kind of nexine is to be full of the composite material of polymer in the metal hollow ball piled up and space, skin is the one-piece type member that the metal hollow member of circular, square, tubular, plate shape or other shape forms.
2. the preparation method of the one-piece type member of metal hollow ball/polymer composites claimed in claim 1, is characterized in that:
(1) metal hollow ball is carried out to acid solution and alkali lye ungrease treatment, remove surperficial dirt grease, rinse well with clear water, after oven dry, re-use the anhydrous alcohol that is added with 2% volume fraction silane coupler and carry out cleaning, for subsequent use after drying;
(2) hollow unit that member profile is designed to circle, square, tubular, plate shape and other shape is according to actual needs as surface layer, and the metal hollow ball that step (1) is handled well is piled up in component inside;
(3) be prepared into polymer fluid or molten mass according to variety classes polymer requirement separately.Described polymer is the one in epoxy resin, polyurethane, amino resin, rubber, polypropylene, polyethylene, PVC＝polyvinyl chloride, polystyrene, nylon;
(4) by the member of the polymer fluid preparing or molten mass implantation step (2), after infiltration is stable, solidify 48 hours at normal temperatures, or solidify 2 hours under 40 ℃～70 ℃ conditions of temperature, or water cooling is solidified, and prepares the one-piece type member that core and surface layer are bonded together.
3. the preparation method of the one-piece type member of metal hollow ball/polymer composites according to claim 2, is characterized in that: described metal hollow ball is that the metallic material such as the metals such as aluminium, steel, copper, nickel or their alloy is made, sphere diameter 1～30mm.
4. the preparation method of the one-piece type member of metal hollow ball/polymer composites according to claim 2, is characterized in that: the described hollow unit as surface layer is made up of aluminium, aluminum alloy, steel or other metallic material.
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| CN201410028362.1A CN103807592A (en) | 2014-01-21 | 2014-01-21 | Metal hollow ball/polymer composite material integrated component |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928428A (en) * | 2016-06-30 | 2016-09-07 | 西安交通大学 | Closed spherical anti-explosion container filled with hollow balls |
| CN106123710A (en) * | 2016-06-30 | 2016-11-16 | 西安交通大学 | The airtight spherical anti-explosion container of foam metal sandwich |
| CN107988960A (en) * | 2017-11-24 | 2018-05-04 | 哈尔滨学院 | A kind of anticollision device of pier of metal hollow ball potting resin matrix composite |
| CN110371062A (en) * | 2019-08-19 | 2019-10-25 | 河北创泰交通工程技术有限公司 | A kind of Efficient automobile crash energy absorption equipment |
| CN112329236A (en) * | 2020-11-05 | 2021-02-05 | 北京交通大学 | Hollow ball impact protection structure design method based on quality control |
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| US5230850A (en) * | 1991-05-16 | 1993-07-27 | Lewis Raymond O | Fan blade reinforcement using bonded hollow spheres |
| CN1882434A (en) * | 2003-11-14 | 2006-12-20 | 智能工程(巴哈马)有限公司 | Structural sandwich plate members with forms |
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| EP0359769B1 (en) * | 1987-05-26 | 1992-01-29 | Universite Paul Sabatier (Toulouse Iii) | Intermediary modular product for the fabrication of an alveolar material, method and device for fabricating said product, application to obtain an alveolar material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928428A (en) * | 2016-06-30 | 2016-09-07 | 西安交通大学 | Closed spherical anti-explosion container filled with hollow balls |
| CN106123710A (en) * | 2016-06-30 | 2016-11-16 | 西安交通大学 | The airtight spherical anti-explosion container of foam metal sandwich |
| CN107988960A (en) * | 2017-11-24 | 2018-05-04 | 哈尔滨学院 | A kind of anticollision device of pier of metal hollow ball potting resin matrix composite |
| CN110371062A (en) * | 2019-08-19 | 2019-10-25 | 河北创泰交通工程技术有限公司 | A kind of Efficient automobile crash energy absorption equipment |
| CN112329236A (en) * | 2020-11-05 | 2021-02-05 | 北京交通大学 | Hollow ball impact protection structure design method based on quality control |
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Application publication date: 20140521 |
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