CN103131884B - Porous zeolite pellet and metal composited material - Google Patents
Porous zeolite pellet and metal composited material Download PDFInfo
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- CN103131884B CN103131884B CN201310069460.5A CN201310069460A CN103131884B CN 103131884 B CN103131884 B CN 103131884B CN 201310069460 A CN201310069460 A CN 201310069460A CN 103131884 B CN103131884 B CN 103131884B
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Abstract
The invention relates to a porous zeolite pellet and metal composited material which comprises two parts, namely a metal continuous phase and porous zeolite spheres, wherein the porous zeolite spheres are distributed in the metal continuous phase, the porous zeolite spheres are low-density foam zeolite spheres with the size at millimeter magnitude, and the porous zeolite spheres can not only be used as the reinforcement bodies of an integral porous structure, but also has the pores being shown pores of the composite material; the shape and size of the pores of the porous material are controlled by the shape and size of the pores of the zeolite spheres contained in the porous material; and the internal form of the integral porous material is in a porous area inlaid structure, and porous areas are uniformly distributed in metal. The porous material can be prepared by mixing metal powder and porous zeolite spheres according to a certain proportion, pressing, shaping and sintering, for instance, when an aluminum alloy is selected and used as the metal powder, the porous material can be prepared by sintering at 600-650 DEG C for 3-6 hours.
Description
Technical field:
The present invention relates to a kind of zeolite ball composition metal porous material, particularly relate to a kind of compound porous metal material and acquisition methods thereof of aluminium alloy.
Background technology:
Porous metal (metal polyporous material) have much outstanding functional attributes and structure attribute, applicable field very extensively ([1] Liu Peisheng. porous material draws opinion, the second edition [M]. Beijing: press of Tsing-Hua University, 2013.).What current research was more has the metal polyporous materials such as foamed aluminium, nickel foam, foam copper, but the intensity of these porous metal articles itself is not high.In order to solve the working strength problem of the porous metal articles such as foamed aluminium, the research work of investigators mainly concentrate on porous metal be core body clamping structure on.This is that porous metal are placed in mid-way and wrap the structure in compact metal shell face in porous metal periphery by a class, there are tabular sandwich structure and porous metal sandwich structure and column sandwich structure two kinds of specific forms, the latter is generally cylindric goods ([2] Ashby M F, et al [work]; Liu Peisheng, Wang Xishu, Li Yanxiang [translating]. foamed metal design guidelines [M]. Beijing: metallurgical industry press, 2006.), wherein studying more is exactly aluminium foam sandwich structured material ([3] Beck T, Lohe D, Baumgartner F.The fatigue behavior of an aluminium foam sandwich beam under alternating bending [J] .Advanced Engineering Materials, 2002,4 (10): 787-790; [4] Mohan K, Hon Y T, Idapalapati S, Seow H P.Failureof sandwich beams consisting of alumina face sheet and aluminum foam core in bending [J] .Materials Scienceand Engineering A, 2005,409 (1-2): 292-301; [5] Sha J B, Yip T H, Sun J.Responses of damage and energy ofsandwich and multilayer beams composed of metallic face sheets and aluminum foam core under bending loading [J] .Metallurgical and Materials Transactions A, 2006,37 (8): 2419-2433; [6] Zhang Minghua, Chen Heshui, Zhao Hengyi. the experimental study [J] of compressing mechanical behavior of sandwich panel with aluminum foam core. light metal material, 2008,2:55-58.).
By the form of sandwich compound, the deficiency that single foamed aluminium intensity is lower can be made up to a certain extent, thus make foamed aluminium goods can be applied to the fields such as automobile making, shipbuilding, aerospace, Highrise buildings, communications and transportation.The sandwich complex forms such as sandwich structure are the outside complex forms of porous metal, and reinforcement is outside compact metal shell face.For foam aluminium sandwich structure, wherein the combination in porous metal core and peripheral compact metal shell face mainly can adopt the technology such as gluing, welding process, foaming, rolling.The present invention is then the compound of material internal, and namely corresponding porous article is reinforcement is the apertures zeolite ball that metal external phase inside comprises, and therefore once obtain this porous material, obtains a kind of matrix material exactly.Wherein apertures zeolite ball with natural zeolite powder for main raw material prepares, here consider natural zeolite powder to be wide material sources, to be easy to processing, nontoxic environmentally friendly starting material, and zeolite powder therein just includes various micropores.Adopt powder metallurgical sintering process, prepared the metallic aluminium matrix material that apertures zeolite ball is reinforcement, namely the hole that manifests wherein is hole in apertures zeolite ball.
The compound porous metal material goods proposed for this patent and the process of preparing of employing, metal species wherein can be Al and Alalloy, copper alloy, iron alloy and titanium alloy etc.
Summary of the invention:
The object of the present invention is to provide a kind of porous metal composite material being reinforcement with apertures zeolite ball, particularly a kind of porous Al alloy matrix material that is reinforcement with foam zeolite ball.Preparation method adopts powder metallurgical sintering process, and selecting natural zeolite to be main raw material homemade low density foam zeolite ball (see Fig. 1) is reinforcement, metal-powder select the trade mark be 6061 Al alloy powder.
With the porous Al alloy matrix material that foam zeolite ball is reinforcement in the present invention, it is inner in the even pattern structure (see Fig. 2) of zeolite facies porous region in metallographic phase dense area, it is characterized in that: the hole that complex body comprises is made up of the hole comprised in foam zeolite ball, hole subregion occurs, namely the yardstick of each porous zone is the yardstick of foam zeolite ball, macroporosity is wherein spherical in shape, and aperture is at about 1mm.
With the porous Al alloy matrix material that hollow zeolite ball is reinforcement in comparative example, its inner nearly even porous structure (see Fig. 3) be distributed in larger spherical void in metallographic phase, the aperture of this comparative sample is at about 6mm.Except wherein wrapping up except spherical void, on the whole in the constitutional features of general obturator-type porous material by zeolite material.
The Al alloy powder granularity that the present invention uses is 200 orders, take natural zeolite as main raw material self-control zeolite ball; The present invention adopts powder metallurgical technique, extrusion forming in mould, and the sintering condition provided is: sintering temperature, between 600 ~ 650 DEG C, is incubated 3 ~ 6h, then furnace cooling.
Porous metal composite material prepared by the present invention, has enough intensity and hardness, directly can be used as structural part.
Accompanying drawing illustrates:
Fig. 1 take natural zeolite as the self-control low density foam zeolite ball example of main raw material, shows the cellular porous form of its macroscopic view.
The porous Al alloy matrix material that Fig. 2 is reinforcement with foam zeolite ball, shows the pattern structure in its internal porous district.
The porous Al alloy matrix material contrast sample that Fig. 3 is reinforcement with hollow zeolite ball, shows closely being uniformly distributed of its inner spherical hole.
Embodiment:
Embodiment: aluminium alloy powder and foam zeolite ball are raw material.The trade mark of Al alloy powder is 6061, and powder size is 200 orders; Foam zeolite ball take natural zeolite as the homemade product of main raw material (being illustrated in Fig. 1), and zeolite ball particle size used is about 8mm, and the aperture of inner macroporosity is at about 1mm.The foam zeolite ball of measured amounts, adds about half and, in the Al alloy powder of got foam zeolite ball accumulation body accumulated amount, pours extrusion forming in mould after mixing into, and pressure is not to destroy zeolite ball for degree.The mould that material base is housed is put in vacuum oven, is first at room temperature evacuated to 10
-2the level of Pa, then be warming up to 120 DEG C with the time of 30min, insulation 1h.Then with the time of 90min, furnace temperature is directly brought up to 600 ~ 650 DEG C by 120 DEG C, be then incubated 3 ~ 6h, after completing, shutdown makes system furnace cooling.Whole process keeps vacuum state, treats that body of heater is cooled to less than 100 DEG C samplings of coming out of the stove.Products obtained therefrom sintering is all right, and intensity is high, and its internal structure state is see Fig. 2, and it is the even pattern structure of zeolite facies porous region in metallographic phase dense area as seen.
Comparative example: in the above-described embodiments, select natural zeolite to be that main raw material homemade hollow zeolite ball replaces foam zeolite ball, Hollow sphere particles size is about 8mm, and inner aperture is at about 6mm.Products obtained therefrom sintering is all right, and its internal structure state is see Fig. 3.Visible, except the hole wall of wherein spherical void is made up of zeolite material, the general feature in obturator-type porous material in one-piece construction.
Claims (1)
1. a zeolite ball composition metal porous material, it is characterized in that: this product by metal external phase and be distributed in wherein two, apertures zeolite ball part formed, wherein apertures zeolite ball is the low density foam zeolite ball of yardstick in millimeter magnitude, these zeolite balls had both served as the reinforcement of described matrix material, serve as again the hole source body of described matrix material, the acquisition methods of described zeolite ball composition metal porous material adopts powder sintering process, specifically comprise: the foam zeolite ball of (1) measured amounts, add half in the Al alloy powder of got foam zeolite ball accumulation body accumulated amount, extrusion forming in mould is poured into after mixing, pressure is not to destroy zeolite ball for degree, (2) mould that material base is housed is put in vacuum oven, first at room temperature be evacuated to 10
-2the level of Pa, 120 DEG C are warming up to again with the time of 30min, insulation 1h, (3) with the time of 90min, furnace temperature is directly brought up to 600 ~ 650 DEG C by 120 DEG C, then 3 ~ 6h is incubated, after completing, shutdown makes system furnace cooling, and whole process keeps vacuum state, treats that body of heater is cooled to less than 100 DEG C samplings of coming out of the stove.
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| CN201310069460.5A CN103131884B (en) | 2013-03-06 | 2013-03-06 | Porous zeolite pellet and metal composited material |
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| CN201310069460.5A CN103131884B (en) | 2013-03-06 | 2013-03-06 | Porous zeolite pellet and metal composited material |
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| CN103131884A CN103131884A (en) | 2013-06-05 |
| CN103131884B true CN103131884B (en) | 2015-07-08 |
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| CN104403644B (en) * | 2014-11-03 | 2017-03-01 | 席君杰 | From dissolved material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279131A (en) * | 1999-06-23 | 2001-01-10 | 中国石油化工集团公司 | Composite ZSM-5 zeolite-porous metal material and its preparing process |
| CN101519316A (en) * | 2009-04-15 | 2009-09-02 | 北京师范大学 | Novel foam zeolite granule and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101238166A (en) * | 2005-07-01 | 2008-08-06 | 金文申有限公司 | Process for production of porous reticulated composite materials |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279131A (en) * | 1999-06-23 | 2001-01-10 | 中国石油化工集团公司 | Composite ZSM-5 zeolite-porous metal material and its preparing process |
| CN101519316A (en) * | 2009-04-15 | 2009-09-02 | 北京师范大学 | Novel foam zeolite granule and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 沸石分子筛/泡沫铝复合吸附剂及其吸附制冷性能;胡芃等;《工程热物理学报》;20060331;第27卷(第2期);第185-188页 * |
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