CN102115856A - Preparation process of metal composite material - Google Patents
Preparation process of metal composite material Download PDFInfo
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- CN102115856A CN102115856A CN2009102516466A CN200910251646A CN102115856A CN 102115856 A CN102115856 A CN 102115856A CN 2009102516466 A CN2009102516466 A CN 2009102516466A CN 200910251646 A CN200910251646 A CN 200910251646A CN 102115856 A CN102115856 A CN 102115856A
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- metal composite
- matrix
- fortifying fibre
- preparation technology
- matrix material
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Abstract
The invention provides a preparation process of a metal composite material. The metal composite material comprises reinforcing fibers and a substrate, and the preparation process comprises the following steps: (A) arranging the reinforcing fibers and the substrate reasonably according to different requirements; (B) superposing the arranged composite materials layer by layer; (C) encapsulating the superposed composite materials in prearranged vacuum packing moulds; and (D) heating and pressing the composite materials in the vacuum package. According to the preparation process of the metal composite material disclosed by the invention, the prearranged vacuum packing moulds are adopted, thus greatly simplifying the step of arranging the reinforcing fibers, ensuring the wetting properties of the reinforcing fibers and the substrate, improving the working efficiency and obviously reducing the production cost.
Description
Technical field
The present invention relates to a kind of preparation technology of metal composite, relate in particular to the preparation technology that boron fibre reinforced aluminium base and tungsten filament strengthen Ni-based matrix material.
Background technology
Metal composite, can bring into play group element material advantage separately, realize each group element material OPTIMAL ALLOCATION OF RESOURCES, save the noble metal material, realize the unappeasable performance requriements of single metal, it both can substitute import and fill the domestic gaps, and had wide range of application again, have good economic benefits and social benefit, obtain the support and the help of every aspect easily.As to develop stainless steel composite material be the high-tech project that National Development and Reform Committee, the Department of Science and Technology actively support, advocate just always.Common metal composite mainly contains following a few class: 1. oxide base cermet, with aluminum oxide, zirconium white, magnesium oxide, beryllium oxide etc. is matrix, be composited with tungsten, chromium or cobalt, have characteristics such as high temperature resistant, resist chemical, thermal conductivity are good, physical strength height, can be used as the crucible and the metal cutting tool of guided missile nozzle insert, smelting metal.2. carbide-base ceramics.With titanium carbide, silicon carbide, wolfram varbide etc. is matrix, form with metal composite such as cobalt metal, nickel, chromium, tungsten, molybdenums, have high rigidity, high-wearing feature, characteristics such as high temperature resistant, be used to make cutting tool, high-temperature bearing, wear ring, pick up a die sleeve and turbine blade.3. nitride based sintering metal.With titanium nitride, boron nitride, silicon nitride and tantalum nitride is matrix, has superhard property, shaking property of heat resistanceheat resistant and good high-temperature creep properties, uses less.
The complete processing of traditional fortifying fibre composite material by adopting diffusion-bonded, the moistening problem of fortifying fibre and matrix solves easily in diffusion-bonded technology, and can control surface reaction by the way of control process parameters when hot pressing.Therefore, a large amount of diffusion-bonded technologies that adopt in the early stage production of metal-base composites.But this kind technology relative complex, encapsulation operation complexity, cost are higher.
Summary of the invention
At the demand, the invention provides a kind of preparation technology of metal composite, in the wettability that guarantees fortifying fibre and matrix, simplified procedure of processing, can significantly reduce production costs.
The invention provides a kind of preparation technology of metal composite, described metal composite comprises fortifying fibre and matrix, may further comprise the steps:
A) arranging of fortifying fibre reasonably arranged fortifying fibre and matrix according to different needs;
B) matrix material is superimposed, and the matrix material of arranging is layering;
C) Vacuum Package of matrix material, the matrix material that stack is good is packaged in the vacuum-packed mould that presets;
D) hot pressing is to the matrix material heating and pressurizing in the vacuum packaging.
Preferentially, described fortifying fibre and matrix adopt boron fibre and aluminium base respectively.
Preferentially, described fortifying fibre and matrix adopt tungsten filament and Ni-based respectively.
Preferentially, steps A wherein) further comprise, the fortifying fibre of arranging is cut, be cut into desired shape.
Preferentially, step D wherein) described hot pressing comprises: D1) matrix material is heated to 500-600 ℃; D2) keep step D1) temperature, and be forced into 50-70MPa.
Preferentially, step D2 wherein) hold-time was at 0.5-2.5 hour.
The preparation technology of the metal composite that the present invention discloses adopts the vacuum-packed mould that presets, and simplifies the step of arranging of fortifying fibre greatly, has both guaranteed the wettability of fortifying fibre and matrix, has improved working efficiency again, can significantly reduce production costs.
Description of drawings
Fig. 1 is a preparation technology's of the present invention schema.
Embodiment
In order to make those skilled in the art person understand technical scheme of the present invention better, and above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with embodiment.
Preparation technology in the embodiment of the invention is a kind of improvement of conventional diffusion combined process.Under certain temperature and pressure, the atoms metal identical or inequality fresh clean surface links together by mutual diffusion.
In embodiments of the present invention, fortifying fibre and matrix be combined with four committed steps:
A) arranging of fortifying fibre reasonably arranged fortifying fibre and matrix according to different needs;
B) matrix material is superimposed, and the matrix material of arranging is layering.
C) Vacuum Package of matrix material, the matrix material that stack is good is packaged in the vacuum-packed mould that presets;
D) hot pressing is to the matrix material heating and pressurizing in the vacuum packaging.
Be specially; at first with fortifying fibre and matrix according to the different needs cross arrangement; fortifying fibre and matrix with cross arrangement superposes then; and in the vacuum-packed mould of making in advance of packing into, packaged being stacked in directly put into hot-die under vacuum or the protective atmosphere or flat board carries out hot pressing.For guaranteed performance meets the requirements, to control hot pressing parameters in the hot pressing well.Hot pressing parameters is mainly: hot pressing temperature, pressure and time.When preparing the hot-pressed board of boron fibre reinforced aluminium in vacuum hotpressing stove, temperature is controlled at below the melting temperature of aluminium, is generally 500-600 ℃, and pressure is 50-70MPa, and hot pressing time was controlled at 0.5-2.5 hour.
In addition, adopt the metal-base composites of complete processing of the present invention preparation can also adopt hot rolling and hot extrusion, connect the secondary that pulls out and add the fourth mode and reprocess, also can come to carry out forming process with the superplasticity processing mode.
The preparation technology of the metal composite that the present invention discloses adopts the vacuum-packed mould that presets, and simplifies the step of arranging of fortifying fibre greatly, has both guaranteed the wettability of fortifying fibre and matrix, has improved working efficiency again, can significantly reduce production costs.Especially be fit to the preparation that boron fibre reinforced aluminium base and tungsten filament strengthen Ni-based matrix material.
The above only is the specific embodiment of the present invention.Protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. the preparation technology of a metal composite, described metal composite comprises fortifying fibre and matrix, it is characterized in that, may further comprise the steps:
A) arranging of fortifying fibre reasonably arranged fortifying fibre and matrix according to different needs;
B) matrix material is superimposed, and the matrix material of arranging is layering;
C) Vacuum Package of matrix material, the matrix material that stack is good is packaged in the vacuum-packed mould that presets;
D) hot pressing is to the matrix material heating and pressurizing in the vacuum packaging.
2. the preparation technology of metal composite according to claim 1 is characterized in that, described fortifying fibre and matrix adopt boron fibre and aluminium base respectively.
3. the preparation technology of metal composite according to claim 1 is characterized in that, described fortifying fibre and matrix adopt tungsten filament and Ni-based respectively.
4. according to the preparation technology of the described metal composite of claim 1-3, it is characterized in that, wherein steps A) further comprise, the fortifying fibre of arranging is cut, be cut into desired shape.
5. according to the preparation technology of the described metal composite of claim 1-3, it is characterized in that, wherein step D) described hot pressing comprises:
D1) matrix material is heated to 500-600 ℃;
D2) keep step D1) temperature, and be forced into 50-70MPa.
6. according to the preparation technology of the described metal composite of claim 1-3, it is characterized in that, wherein step D2) hold-time is at 0.5-2.5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102516466A CN102115856A (en) | 2009-12-30 | 2009-12-30 | Preparation process of metal composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102516466A CN102115856A (en) | 2009-12-30 | 2009-12-30 | Preparation process of metal composite material |
Publications (1)
| Publication Number | Publication Date |
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| CN102115856A true CN102115856A (en) | 2011-07-06 |
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| CN2009102516466A Pending CN102115856A (en) | 2009-12-30 | 2009-12-30 | Preparation process of metal composite material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707888A (en) * | 2014-12-26 | 2015-06-17 | 中航复合材料有限责任公司 | Lamination forming process method for fiber-metal mixed composite material |
| CN107761017A (en) * | 2017-10-09 | 2018-03-06 | 青海大学 | A kind of lightweight aluminium bamboo/carbon composite and its preparation method and application |
| CN114921734A (en) * | 2022-05-12 | 2022-08-19 | 厦门大学 | Preparation method of continuous ceramic fiber reinforced aluminum matrix composite |
-
2009
- 2009-12-30 CN CN2009102516466A patent/CN102115856A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707888A (en) * | 2014-12-26 | 2015-06-17 | 中航复合材料有限责任公司 | Lamination forming process method for fiber-metal mixed composite material |
| CN104707888B (en) * | 2014-12-26 | 2016-09-14 | 中航复合材料有限责任公司 | A kind of fiber metal hybrid composite part laminated forming process |
| CN107761017A (en) * | 2017-10-09 | 2018-03-06 | 青海大学 | A kind of lightweight aluminium bamboo/carbon composite and its preparation method and application |
| CN114921734A (en) * | 2022-05-12 | 2022-08-19 | 厦门大学 | Preparation method of continuous ceramic fiber reinforced aluminum matrix composite |
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Application publication date: 20110706 |