CN103266288A - Continuous-steel-fiber-reinforced zinc-base composite material and preparation method thereof - Google Patents
Continuous-steel-fiber-reinforced zinc-base composite material and preparation method thereof Download PDFInfo
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- CN103266288A CN103266288A CN2013101884768A CN201310188476A CN103266288A CN 103266288 A CN103266288 A CN 103266288A CN 2013101884768 A CN2013101884768 A CN 2013101884768A CN 201310188476 A CN201310188476 A CN 201310188476A CN 103266288 A CN103266288 A CN 103266288A
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Abstract
The invention relates to a continuous-steel-fiber-reinforced zinc-base composite material and a preparation method thereof. The composite material is composed of 30-80% of continuous high-strength steel fiber or stainless steel fiber and zinc alloy base. The preparation method comprises the following steps: weaving steel/stainless steel fiber into a two-dimensional grid according to the fiber content and reinforcement direction of the designed composite material; carrying out hot galvanizing on the alloy, and compacting the meshes to obtain a composite foil; and carrying out rolling, winding and the like to press the incompletely condensed composite foil into a plate, rod, tube or the like, and finally, quickly cooling to obtain the composite material. The composite material provided by the invention enhances the strength and application temperature of the zinc alloy, lowers the linear expansibility of the zinc alloy, and improves the fatigue resistance and creep resistance of the zinc alloy; and the zinc-base composite material has the advantages of low production cost, simple preparation technique and the like.
Description
Technical field
The present invention relates to new material technology field, particularly relate to a kind of continuous steel fiber and strengthen Zinc-base compounded material and preparation method thereof.
Background technology
Zinc alloy has superior mechanical property, good low temperature castability and processing characteristics, obtains more and more widely application in various fields such as machinery, electronics, chemical industry.But its resistance toheat is relatively poor, can only use being lower than under 100 ℃ the situation, has limited its scope of application and life-span greatly.Zinc-base compounded material has overcome zinc alloy and has lost the shortcoming big, that linear expansivity is big in high temperature range intensity and hardness, higher high temperature strength, good wear resisting property, higher consistency and elasticity modulus have been obtained, obviously improve fatigue lifetime and high temperature creep-resisting ability, reduced linear expansivity.At present, the enhancing body of Zinc-base compounded material mainly contains carbon fiber, silicon carbide and alumina particle and whisker, ceramic fiber, glass fibre etc.; Its preparation technology mainly contains pressure infiltration casting, stirring casting method, squeeze casting method and jet deposition etc.It is not only expensive that these strengthen body, or even strategic material (as silicon carbide fiber), is difficult for obtaining; And also the wetting problem of existence and matrix zinc alloy causes the preparation technology of matrix material also too complicated.For a long time, this high cost is very restricted the application of Zinc-base compounded material.Therefore, adopting cheap enhancing body, the simple novel process of exploitation, is the emphasis of Zinc-base compounded material research and development.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of and not only have the good processing characteristics of zinc alloy, and have higher intensity, higher use temperature, higher consistency and elasticity modulus, better the continuous steel fiber of antifatigue and creep resisting ability and low linear expansivity strengthens Zinc-base compounded material and preparation method thereof.
The technical scheme that adopts is:
A kind of continuous steel fiber strengthens Zinc-base compounded material, strengthens volume recombination by zinc alloy matrix and high-strength steel fibre or Stainless Steel Fibre and forms, and its composition is: high-strength steel fibre or Stainless Steel Fibre volume content 30% ~ 80%, all the other are the zinc alloy matrix.
A kind of continuous steel fiber strengthens the preparation method of Zinc-base compounded material, may further comprise the steps:
(1) steel fiber or Stainless Steel Fibre are woven into two-dimentional mesh-like enhancing body, and regulate intensity and the volume content of warp-wise and broadwise enhancing body according to actual needs;
(2) the two-dimentional mesh-like that weaves is strengthened the zinc-plated processing of body heat, closely knit sieve aperture obtains steel fiber and strengthens Xin Ji Fu He Be;
(3) adopt roll extrusion, winding processing mode that the zinc-base composite foil that just goes out galvanizing zinc is carried out forming processes, utilization is not solidified zinc alloy fully different composite foils is bonded together, and obtains plate, pipe, bar material;
(4) cooling fast obtains steel fiber and strengthens Zinc-base compounded material.
High-strength steel fibre or Stainless Steel Fibre described in the above-mentioned step (1), according to the final performance requriements of matrix material, warp-wise can be selected the different trades mark, diameter and weaving manner for use with broadwise.
Pot galvanize described in the above-mentioned step (2) comprises hot pure zinc plating, pot galvanize aluminium alloy and other conventional hot-dip galvanized alloys.
Forming processes described in the above-mentioned step (3), comprise that the mode that adopts roll extrusion will just go out the plating bath face, a plurality of composite foils of not solidifying are fully determined according to the thickness of sheet material, be pressed into sheet material, adopt the mode of twining with one or more Fu He Be coiled tubing or bar.
Cooling fast described in the above-mentioned step (4), its heat-eliminating medium comprises freezing air, water, oily medium.
The present invention and existing zinc alloy and matrix material contrast thereof have the following advantages:
1. this matrix material not only has the good processing characteristics of zinc alloy, and has higher intensity, higher use temperature, higher consistency and elasticity modulus, better antifatigue and creep resisting ability and low linear expansivity.
2. the continuous steel fiber of this composite material by adopting cheapness is compared with traditional particulate reinforced composite as strengthening body, has obtained better mechanical property in the enhancing direction; Strengthen body with carbon fiber and other ceramic fibers and compare, price is cheaper, and the processing characteristics of matrix material is better.
3. compare with other preparation technologies, adopt hot plating technology and in conjunction with molding modes such as roll extrusion, windings, simple, the easy row of technology not only, and shortened the pyroprocessing time has kept largely and has strengthened the mechanical property of body, and has reduced the production cost of material.
Embodiment
Embodiment one
Get the high-strength steel fibre conduct of 100 μ m radially, with the steel fiber of the 10 μ m broadwise as fixed action, make the steel fiber volume content reach 80% by braiding, simultaneously the prefabricated two-dimentional mesh-like that is woven into of four volumes is strengthened body and carry out the pot galvanize processing, four of just going out zinc-plated liquid level are closed the Be roll extrusion again and blow on rapidly, immerse cooling pool again, adopt below the water-cooled to 100 ℃, obtain the composite sheet behind the 1mm.
Embodiment two
Radially all get 38 μ m Stainless Steel Fibres with broadwise, weave according to 350 eye mesh screen technologies, make the Stainless Steel Fibre volume content reach 30%.The netted enhancing body of prefabricated 350 mesh sieves that are woven into is carried out the pot galvanize aluminium alloy to be handled, obtain Fu He Be, the Fu He Be that just goes out the plating bath face is wound in bar-shaped (winding direction is the warp-wise of bar, and the width of precast body or composite foil is the length direction of bar).Rapidly bar is immersed cooling pool, be cooled to below 100 ℃, obtaining diameter is the composite bar of 3mm.
Embodiment three
Warp-wise and broadwise are all got 25 μ m Stainless Steel Fibres, and it is netted to be woven into 500 mesh sieves.Simultaneously prefabricated braiding 500 eye mesh screens of two volumes being carried out the temperature aluminium zinc handles, obtain Fu He Be, by twining the tubing that axle is wound in two composite foils external diameter Φ 15mm * Φ 10mm, rapidly bar is immersed cooling pool, be cooled to below 100 ℃, the volume content that obtains Stainless Steel Fibre reaches 50% composite pipe.
Claims (6)
1. a continuous steel fiber strengthens Zinc-base compounded material, it is characterized in that strengthening volume recombination by zinc alloy matrix and high-strength steel fibre or Stainless Steel Fibre forms, its composition is: high-strength steel fibre or Stainless Steel Fibre volume content 30% ~ 80%, all the other are the zinc alloy matrix.
2. a continuous steel fiber strengthens the preparation method of Zinc-base compounded material, it is characterized in that may further comprise the steps:
(1) steel fiber or Stainless Steel Fibre are woven into two-dimentional mesh-like enhancing body, and regulate intensity and the volume content of warp-wise and broadwise enhancing body according to actual needs;
(2) the two-dimentional mesh-like that weaves is strengthened the zinc-plated processing of body heat, closely knit sieve aperture obtains steel fiber and strengthens Xin Ji Fu He Be;
(3) adopt roll extrusion, winding processing mode that the zinc-base composite foil that just goes out galvanizing zinc is carried out forming processes, utilization is not solidified zinc alloy fully different composite foils is bonded together, and obtains plate, pipe, bar material;
(4) cooling fast obtains steel fiber and strengthens Zinc-base compounded material.
3. a kind of continuous steel fiber according to claim 2 strengthens the preparation method of Zinc-base compounded material, it is characterized in that high-strength steel fibre or Stainless Steel Fibre described in the described step (1), according to the final performance requriements of matrix material, warp-wise can be selected the different trades mark, diameter and weaving manner for use with broadwise.
4. a kind of continuous steel fiber according to claim 2 strengthens the preparation method of Zinc-base compounded material, it is characterized in that pot galvanize described in the described step (2), comprises hot pure zinc plating, temperature aluminium zinc and other conventional hot-dip galvanized alloys.
5. a kind of continuous steel fiber according to claim 2 strengthens the preparation method of Zinc-base compounded material, it is characterized in that forming processes described in the described step (3), comprise that the mode that adopts roll extrusion will just go out the plating bath face, a plurality of composite foils of not solidifying are fully determined according to the thickness of sheet material, be pressed into sheet material, adopt the mode of twining with one or more Fu He Be coiled tubing or bar.
6. a kind of continuous steel fiber according to claim 2 strengthens the preparation method of Zinc-base compounded material, it is characterized in that cooling fast described in the described step (4), and its heat-eliminating medium comprises freezing air, water, oily medium.
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| CN201310188476.8A CN103266288B (en) | 2013-05-21 | 2013-05-21 | Continuous-steel-fiber-reinforced zinc-base composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002101A (en) * | 2014-05-26 | 2014-08-27 | 华南理工大学 | Manufacturing method for long fiber texture organization metal materials |
| WO2018000739A1 (en) * | 2016-06-29 | 2018-01-04 | 华南理工大学 | Method for processing and manufacturing metal structure material under coiling and sintering pressure of metal screen cloth |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031464A (en) * | 2010-12-22 | 2011-04-27 | 东南大学 | Copper-steel fiber copper-based composite material and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031464A (en) * | 2010-12-22 | 2011-04-27 | 东南大学 | Copper-steel fiber copper-based composite material and preparation method thereof |
Non-Patent Citations (3)
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| 张爱民: "钢纤维及其应用", 《金属制品》, vol. 15, no. 3, 31 December 1989 (1989-12-31), pages 10 - 14 * |
| 王久志等: "不锈钢纤维增强ZA43复合材料的常压铸渗工艺", 《鞍山钢铁学院学报》, vol. 24, no. 6, 31 December 2001 (2001-12-31), pages 401 - 405 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002101A (en) * | 2014-05-26 | 2014-08-27 | 华南理工大学 | Manufacturing method for long fiber texture organization metal materials |
| WO2018000739A1 (en) * | 2016-06-29 | 2018-01-04 | 华南理工大学 | Method for processing and manufacturing metal structure material under coiling and sintering pressure of metal screen cloth |
| US11407029B2 (en) | 2016-06-29 | 2022-08-09 | South China University Of Technology | Method for processing and manufacturing a metal structural material by a coiling, sintering and plastic working of a metal screen mesh |
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