CN101942621A - Micro-crystal titanium-based fiber-reinforced magnesium alloy composite filament material and preparation method thereof - Google Patents
Micro-crystal titanium-based fiber-reinforced magnesium alloy composite filament material and preparation method thereof Download PDFInfo
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Abstract
The invention provides a light micro-crystal titanium-based fiber-reinforced magnesium alloy composite filament material and a preparation method thereof. The preparation method is simple in process, low in production cost and suitable for industrial production. The composite filament material takes the magnesium alloy as the matrix, micro-crystal titanium-based fibers are distributed on the matrix and account for 40-50% of the composite material by volume, the magnesium alloy matrix comprises the following chemical components by weight: 5-9% of Al, 0.1-0.9% of Pb, 0.003-0.09% of Ga and the balance Mg, and the micro-crystal titanium-based fibers comprise the following chemical components by weight: 22-28% of Al, 4-8% of Cu, 3-6% of Sr, 0.05-0.09% of Sn, 0.003-0.09% of Sm, 0.5-1.5% of Ga, 0.5-2% of Pr and the balance Ti.
Description
One, technical field
The invention belongs to metal material field, relate to a kind of microcrystalline titanium based alloy fiber reinforced magnesium composite wire material and preparation method thereof.
Two, background technology
In the metal current material field, to the more importance attached of matrix material silk.
Tao Guolin has studied graphite (carbon) fiber reinforced magnesium base composite material in the 22nd the 5th phase of volume of Industrial and Commercial University Of Chongqing's journal 2005.But there are surface reaction in graphite (carbon) fiber and magnesium, generate a large amount of reaction product, form accumulative fragility phase and surface reaction product brittle layer, cause enhancing body major injuries such as fiber, and the performance of material sharply descends.200810035823.2 proposition titanium dioxide carbon coating carbon fiber reinforced magnesium-base composite material.If solve the surface reaction problem, can take the carbon fiber coating way, but complex process, the cost height.
Yan Biao grinds 2004 the 3rd phases of magazine at the Shanghai steel AlTi fiber reinforced magnesium base composite material has been discussed.Select the magnesium alloy powder of median size 100 μ m for use, adopt powder metallurgy technology to prepare magnesium alloy and Al-Ti fiber, volume content is 10% enhancing magnesium alloy sample.The concrete composition (wt%) of matrix magnesium alloy is: Mg-16AI-5Zn-5Cu-3Re-1.5Mn-1.1Si-0.5Ti.Add the AI-Ti fiber that the people makes by rapid solidification in magnesium alloy powder, the content of Al and Ti is respectively 62wt.% and 38wt.% in the fiber, the average 1.5mm of staple length, and the cross section is near tetragon, length of side 0.2-0.4mm.Magnesium alloy powder and Al-Ti blending in of fibers is even, carry out powder sintered after the coldmoulding.Sintering process is: earlier pressed compact is heated to 150 ℃, is incubated 0.5 hour, and to its pressurization, is warming up to 450-500 ℃ then, pressurize and be incubated 1.5 hours.Whole experiment is carried out under hydrogen shield.This technology adopts steel fiber, even surface reaction occurs, also can the major injury fiber etc. strengthen body.But used AlTi fiber fusing point is low, and fiber fuses into magnesium alloy substrate easily in sintering process, does not have fibre-reinforced effect.Though more than two kinds of situations all be to use alloy fiber reinforced magnesium, be not to make the matrix material silk.
CN200710158048.5 discloses a kind of copper/copper/aluminum-magnesium alloy composite wire material and manufacture method thereof, and this method comprises copper strips is coated on the aluminum magnesium alloy wire rod core body makes composite blank, carries out the pot type vacuum annealing in the vacuum tank of then composite blank being packed into and handles; Composite blank carries out repeatedly drawing afterwards, in the time of last drawing, composite wire material is under the as-drawn burn by the electrically heated case and stewes formula continuous annealing and handle; After burning stewed formula continuous annealing processing,, the multiply moulding silk material that obtains is fed simultaneously carry out the online anneal of tubular type in a plurality of tubules at last, the end of a thread correspondence is wrapped in obtains the finished product on the take-up reel more again through repeatedly drawing; A kind of composite wire material that is obtained by this method is also disclosed simultaneously, the present invention has obtained technical new breakthrough, solve a difficult problem of the prior art, obtained all ideal copper/copper/aluminum-magnesium alloy composite wire materials comparatively of silk material proportion, extensibility rate, conductivity, tensile strength simultaneously.Though above situation relates to alloy composite wire material and manufacture method thereof, be not the magnesium base composite material silk, and the technology relative complex.
Three, summary of the invention
Purpose of the present invention is exactly at above-mentioned technological deficiency, and a kind of microcrystalline titanium based alloy fiber reinforced magnesium composite wire material is provided, and this material has good performance.
Another object of the present invention provides the preparation method of microcrystalline titanium based alloy fiber reinforced magnesium composite wire material, and this preparation method's technology is simple, and production cost is low, is suitable for suitability for industrialized production.
The objective of the invention is to be achieved through the following technical solutions:
A kind of microcrystalline titanium based alloy fiber reinforced magnesium composite wire material, this composite wire material is a matrix with the magnesium alloy, the microcrystalline titanium based fiber that on matrix, distributing, the size of crystallite is 0.5-10 μ m, the volume percent that microcrystalline titanium based fiber accounts for matrix material is 40-50%;
The following chemical components in percentage by weight of magnesium alloy substrate: Al is 5%～9%, and Pb is 0.1%～0.9%, and Ga is 0.003-0.09%, and all the other are Mg;
The following chemical components in percentage by weight of microcrystalline titanium based fiber is: Al is 22%～28%, and Cu is 4%～8%, and Sr is 3%～6%, and Sn is 0.05%～0.09%, and Sm is 0.003-0.09%, and Ga is 0.5%～1.5%, and Pr is 0.5%～2%, and all the other are Ti.
The preparation method of above-mentioned microcrystalline titanium based alloy fiber reinforced magnesium composite wire material is characterized in that: it may further comprise the steps:
The preparation of microcrystalline titanium based fiber: will account for raw material gross weight Al is 22%～28%, Cu is 4%～8%, Sr is 3%～6%, Sn is 0.05%～0.09%, Sm is 0.003-0.09%, Ga is 0.5%～1.5%, and Pr is 0.5%～2%, and all the other raw materials for Ti place to melt in the riser pipe that has heating unit and form titanium alloy liquid; Temperature of fusion 1780-1800 ℃, the riser pipe bottom is set with plunger, plunger can move along riser pipe is upper and lower under power set drives, liquid level in the riser pipe can be raised when moving on the plunger, thereby being convenient to the runner flange extracts alloy liquid, form fiber, runner adopts wheel rim that the water-cooled copper alloy runner of flange is arranged, alloy liquid contacts with the water-cooled copper alloy runner flange of rotation by riser pipe, water-cooled copper alloy runner runner flange is extracted alloy liquid, form the titanium-based alloy material fiber, the linear velocity of runner flange is 19-21m/s; Runner is opened the runner water-cooling system before opening and changeing, and the water-cooling system inflow temperature is less than 30 ℃; The diameter of titanium-based alloy material fiber is 10-45 μ m; Then with titanium-based alloy material fiber bunchy;
The preparation of magnesium alloy substrate: percentage composition Al is 5%～9% by weight, and Pb is 0.1%～0.9%, and Ga is 0.003%-0.09%, and all the other are prepared burden for the Mg magnesium alloy, are fused into liquid magnesium alloy in 680-700 ℃ then in container;
Above-mentioned titanium-based alloy material fiber bunchy passed in the above-mentioned 680-700 of filling ℃ the container of liquid magnesium alloy, the volume percent that the titanium-based alloy material fiber accounts for magnesium alloy substrate is 40-50%, after keeping 2-5min, by diameter of bore is that the alumina ceramic tube of 1-3mm is released, and just forming diameter is the microcrystalline titanium based alloy fiber reinforced magnesium composite wire material of 1-3mm.
The present invention's beneficial effect compared to existing technology is as follows:
Al in the microcrystalline titanium based fiber, Cu, Sr, Sn, Sm, Ga, the acting in conjunction of Pr element can guarantee can form amorphous structure when titanium alloy liquid contacts with the molybdenum alloy runner of rotation; Al, Sn, Ga, the acting in conjunction of Pr element can guarantee to promote that alloy changes to crystallite from amorphous when matrix material infiltrates moulding; Cu, Pr element can be restrained growing up of crystal grain.
Al, Pb, Ga element can promote magnesium alloy and the combination of microcrystalline titanium based fiber good interface in the magnesium alloy.
Alloy property of the present invention sees Table 1.
Alloy preparation technology is easy, and the alloy material performance of production is good, and production cost is low, is convenient to very much suitability for industrialized production.
Four, description of drawings
The metallographic structure of the microcrystalline titanium based alloy fiber reinforced magnesium composite wire material that Fig. 1 makes for the embodiment of the invention one.
Fig. 1 can see be distributed with tiny microcrystalline titanium based fiber on magnesium alloy substrate.
Five, embodiment
Below each embodiment only as explanation of the present invention, weight percent wherein all can change weight g, kg or other weight unit into.
Embodiment one:
The preparation of microcrystalline titanium based fiber:
Percentage composition is by weight: Al is 22%, and Cu is 4%, and Sr is 3%, and Sn is 0.05%, and Sm is 0.003, and Ga is 0.5%, and Pr is 0.5%, and all the other are prepared burden for Ti; Raw material is placed fusing in the riser pipe that has heating unit and form titanium alloy liquid; Temperature of fusion 1780-1800 ℃, the riser pipe bottom is set with plunger, plunger can move along riser pipe is upper and lower under power set drives, liquid level in the riser pipe can be raised when moving on the plunger, thereby being convenient to the runner flange extracts alloy liquid, form fiber, runner adopts wheel rim that the water-cooled copper alloy runner of flange is arranged, alloy liquid contacts with the water-cooled copper alloy runner flange of rotation by riser pipe, water-cooled copper alloy runner runner flange is extracted alloy liquid, form the titanium-based alloy material fiber, the linear velocity of runner flange is 19-21m/s; Runner is opened the runner water-cooling system before opening and changeing, and the water-cooling system inflow temperature is less than 30 ℃; The diameter of titanium-based alloy material fiber is 10-45 μ m; Then with titanium-based alloy material fiber bunchy;
The preparation of magnesium alloy substrate:
Percentage composition: Al is 5% by weight, and Pb is 0.1%, and Ga is 0.003%, and all the other are prepared burden for Mg; Raw material is fused into liquid magnesium alloy in 680-700 ℃ in container;
Above-mentioned titanium-based alloy material fiber bunchy passed in the above-mentioned 680-700 of filling ℃ the container of liquid magnesium alloy, the volume percent that control titanium-based alloy material fiber accounts for magnesium alloy substrate is 45% (according to the radical and the diameter of every bundle fiber, and the diameter after extracting out is a may command), after keeping 2-5min, by diameter of bore is that the alumina ceramic tube of 1-3mm is released, and just forming diameter is the microcrystalline titanium based alloy fiber reinforced magnesium composite wire material of 1-3mm.Promptly getting the volume percent that microcrystalline titanium based fiber accounts for matrix is the microcrystalline titanium based alloy fiber reinforced magnesium composite wire material of 40-50%.
Embodiment two:
The preparation of magnesium alloy substrate:
Percentage composition: Al is 9% by weight, and Pb is 0.9%, and Ga is 0.09%, and all the other are prepared burden for Mg;
The preparation of microcrystalline titanium based fiber:
Percentage composition is by weight: Al is 28%, and Cu is 8%, and Sr is 6%, and Sn is 0.09%, and Sm is 0.09%, and Ga is 1.5%, and Pr is 2%, and all the other are prepared burden for Ti;
The percent by volume that microcrystalline titanium based fiber accounts for matrix is 50%.
All the other preparation process are with embodiment one.
Embodiment three:
The preparation of microcrystalline titanium based fiber:
Percentage composition is by weight: Al is 25%, and Cu is 6%, and Sr is 5%, and Sn is 0.07%, and Sm is 0.009%, and Ga is 0.9%, and Pr is 1%, and all the other are prepared burden for Ti;
The preparation of magnesium alloy substrate:
Percentage composition: Al is 7% by weight, and Pb is 0.6%, and Ga is 0.0035%, and all the other are prepared burden for Mg;
The percent by volume that microcrystalline titanium based fiber accounts for matrix is 40%.
All the other preparation process are with embodiment one.
Embodiment four: (each proportioning components of raw material is the example in ratio range of the present invention not)
The preparation of magnesium alloy substrate:
Percentage composition: Al is 4% by weight, and Pb is 0.05%, and Ga is 0.002%, and all the other are prepared burden for Mg;
The preparation of microcrystalline titanium based fiber:
Percentage composition is by weight: Al is 21%, and Cu is 3%, and Sr is 2%, and Sn is 0.04%, and Sm is 0.002, and Ga is 0.4%, and Pr is 0.4%, and all the other are prepared burden for Ti;
The percent by volume that microcrystalline titanium based fiber accounts for matrix is 40-50%.
All the other preparation process are with embodiment one.
Embodiment five: (each proportioning components of raw material is the example in ratio range of the present invention not)
The preparation of magnesium alloy substrate:
Percentage composition: Al is 10% by weight, and Pb is 1%, and Ga is 0.1%, and all the other are prepared burden for Mg;
The preparation of microcrystalline titanium based fiber:
Percentage composition is by weight: Al is 29%, and Cu is 9%, and Sr is 7%, and Sn is 0.1%, and Sm is 0.1%, and Ga is 1.8%, and Pr is 3%, and all the other are prepared burden for Ti;
The percent by volume that microcrystalline titanium based fiber accounts for matrix is 40-50%.
All the other preparation process are with embodiment one.
Table 1
As seen from the above table, the Al of Al, Pb, Ga and microcrystalline titanium based fiber, Cu, Sr, Sn, Sm, Ga, Pr content are in the application encloses in the magnesium alloy, and matrix material has good performance, as embodiment one, embodiment two and embodiment three.These elements of microcrystalline titanium based fiber exceed the application's ratio range, and frangible compounds quantity is many, can obviously reduce titanium base fibrous mechanical property.Al, Pb, Ga exceed the application's ratio range in the magnesium alloy, and magnesium alloy is difficult to carry out good interface with microcrystalline titanium based fiber and combines, and therefore can cause composite property to descend, as embodiment four and embodiment five.
Claims (2)
1. microcrystalline titanium based alloy fiber reinforced magnesium composite wire material, this composite wire material is matrix with the magnesium alloy, the microcrystalline titanium based fiber that on matrix, distributing, the size of crystallite is 0.5-10 μ m, the volume percent that microcrystalline titanium based fiber accounts for matrix material is 40-50%;
The following chemical components in percentage by weight of magnesium alloy substrate: Al is 5%～9%, and Pb is 0.1%～0.9%, and Ga is 0.003-0.09%, and all the other are Mg;
The following chemical components in percentage by weight of microcrystalline titanium based fiber is: Al is 22%～28%, and Cu is 4%～8%, and Sr is 3%～6%, and Sn is 0.05%～0.09%, and Sm is 0.003-0.09%, and Ga is 0.5%～1.5%, and Pr is 0.5%～2%, and all the other are Ti.
2. the preparation method of a microcrystalline titanium based alloy fiber reinforced magnesium composite wire material, it is characterized in that: it may further comprise the steps:
The preparation of microcrystalline titanium based fiber: will account for raw material gross weight Al is 22%～28%, Cu is 4%～8%, Sr is 3%～6%, Sn is 0.05%～0.09%, Sm is 0.003-0.09%, Ga is 0.5%～1.5%, and Pr is 0.5%～2%, and all the other raw materials for Ti place to melt in the riser pipe that has heating unit and form titanium alloy liquid; Temperature of fusion 1780-1800 ℃, alloy liquid contacts with the water-cooled copper alloy runner flange of rotation by riser pipe, and water-cooled copper alloy runner runner flange is extracted alloy liquid, forms the titanium-based alloy material fiber, and the linear velocity of runner flange is 19-21m/s; Runner is opened the runner water-cooling system before opening and changeing, and the water-cooling system inflow temperature is less than 30 ℃; The diameter of titanium-based alloy material fiber is 10-45 μ m; Then with titanium-based alloy material fiber bunchy;
Do not (two powder places claim method to want consistent) understand your problem?
The preparation of magnesium alloy substrate: percentage composition Al is 5%～9% by weight, and Pb is 0.1%～0.9%, and Ga is 0.003%-0.09%, and all the other are prepared burden for the Mg magnesium alloy, are fused into liquid magnesium alloy in 680-700 ℃ then in container;
Above-mentioned titanium-based alloy material fiber bunchy passed in the above-mentioned 680-700 of filling ℃ the container of liquid magnesium alloy, the volume percent that the titanium-based alloy material fiber accounts for magnesium alloy substrate is 40-50%, after keeping 2-5min, by diameter of bore is that the alumina ceramic tube of 1-3mm is released, and just forming diameter is the microcrystalline titanium based alloy fiber reinforced magnesium composite wire material of 1-3mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111893407A (en) * | 2020-06-23 | 2020-11-06 | 西安理工大学 | Titanium fiber toughened steel bonded hard alloy and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0230726A (en) * | 1988-04-19 | 1990-02-01 | Ube Ind Ltd | Fiber-reinforced metallic composite material |
| US5449421A (en) * | 1988-03-09 | 1995-09-12 | Toyota Jidosha Kabushiki Kaisha | Aluminum alloy composite material with intermetallic compound finely dispersed in matrix among reinforcing elements |
| CN101429631A (en) * | 2007-11-09 | 2009-05-13 | 大连科尔奇新材料研发有限公司 | Copper/aluminum-magnesium alloy composite wire material and its annealing production method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5449421A (en) * | 1988-03-09 | 1995-09-12 | Toyota Jidosha Kabushiki Kaisha | Aluminum alloy composite material with intermetallic compound finely dispersed in matrix among reinforcing elements |
| JPH0230726A (en) * | 1988-04-19 | 1990-02-01 | Ube Ind Ltd | Fiber-reinforced metallic composite material |
| CN101429631A (en) * | 2007-11-09 | 2009-05-13 | 大连科尔奇新材料研发有限公司 | Copper/aluminum-magnesium alloy composite wire material and its annealing production method |
Non-Patent Citations (1)
| Title |
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| 《稀有金属》 19960531 晏建武 钛纤维强化Ti-48Al-2Cr-2Nb合金复合材料性能与界面研究 202-206 1-2 第20卷, 第3期 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893407A (en) * | 2020-06-23 | 2020-11-06 | 西安理工大学 | Titanium fiber toughened steel bonded hard alloy and preparation method thereof |
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Effective date of registration: 20151224 Address after: Xinghua City, Jiangsu province 225700 Taizhou City Dainan Town Luo Gu industrial park Patentee after: Taizhou Qiangda Stainless Steel Wire Rope Co., Ltd. Address before: 210044 Nanjing City, Pukou Province, Nanjing Road, No. 219, No. six, No. Patentee before: Nanjing University of Information Science and Technology |
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