CN102534317A - Multi-element aluminum-titanium alloy wire and manufacturing method thereof - Google Patents
Multi-element aluminum-titanium alloy wire and manufacturing method thereof Download PDFInfo
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- CN102534317A CN102534317A CN2012100334319A CN201210033431A CN102534317A CN 102534317 A CN102534317 A CN 102534317A CN 2012100334319 A CN2012100334319 A CN 2012100334319A CN 201210033431 A CN201210033431 A CN 201210033431A CN 102534317 A CN102534317 A CN 102534317A
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Abstract
The invention relates to a multi-element aluminum-titanium alloy wire, which comprises the following components in percentage by weight: 94 to 97 percent of Al, 0.05 to 1 percent of V, 2 to 5 percent of titanium, 0.02 to 1.2 percent of at least two rare-earth elements, and less than 1 percent of minor additive elements. The aluminum-titanium alloy wire has the resistivity of 2.0-6.0 mu ohm.cm, the specific weight of 2.60-2.75g/cm<3> and the elongation of 10-25 percent, and is used in facilities such as ship decks, municipal works, pedestrian passageways, tunnel frames and the like.
Description
Technical field
The present invention relates to a kind of polynary aluminum titanium alloy silk and method of manufacture thereof, especially relate to polynary aluminum titanium alloy material of a kind of thermospray and method of manufacture thereof.
Background technology
As everyone knows, except that the minority precious metal, metallic substance can be with surrounding medium generation chemical reaction and electrochemical reaction and is corroded.Metallic corrosion has become the maximum harm of large-scale steel structure building, has a strong impact on its safe in utilization and life-span.In addition, the metallic surface receives various mechanical effects and the wearing and tearing that cause are also very serious.A large amount of hardwares lost efficacy because of corroding and wearing and tearing, and caused great waste and loss.According to some industrially developed country's statistics, annual steel account for 10% of steel ultimate production because of the loss of corroding and wearing and tearing cause, and the loss amount of money accounts for 2～4% of total value of production in national economy.Therefore, development protecting metallic surface and intensifying technology are the key subjects that various countries generally are concerned about.
In addition, in case hardware is in the corrosive medium, for example, the steel construction piece surface that is in the wet environment is corroded, corrosion product deliquescence, and the smoother of steel member own, and it is sliding to make that its surface is prone to, and direct threats is to the safety of its surperficial object or person body.For example, the walkway in the public works, the freight container platform of ocean-going freighter, Seaborne Aircraft Platform, the deck of seaplane carrier, takeoff runway etc.Therefore, press for exploitation and a kind ofly can corrosionproof protection be provided, prolong the work-ing life of steel construction piece, have anti-skidding or sliding functional coating simultaneously again, thereby guarantee the security of the steel construction piece institute's carrying object or the person steel construction piece.
At present, market anti-corrosion method commonly used mainly adopts the method for chemical process and physics thermospray metallic coating.Chemical process mainly is meant and adopts anticorrosive coating coating etc., like coat composed erosion shields such as inorganic or organic varnishes; And be used for the thermospray metallic coating of anticorrosion purpose, metal coating layer material commonly used in the market is zinc and saxonia metal wire, its according to chemical composition difference be divided into: pure zinc silk, Zn-Al alloy wire ZnAl
5, Zn-Al alloy wire ZnAl
15Deng, they extensively are used in fields such as antiseptic project, surface treatment, capacitor end surface metal spraying.They mainly contain two to the protection mechanism of ferrous materials: the one, have the buffer action that similarly stops corrosive medium with the paint spraying anticorrosion mechanism; The 2nd, have the anodic protection effect that realizes through the coated material self-sacrifice; Therefore; The popularization and application on colliery, port and pier, large-sized civil steel building, bridge, high-speed railway, large ship and other large industrialized projects (like petrochemical industry, electric power, ocean) of thermospray metallic coating and compound coating guard technology thereof has obtained excellent society and economic benefit.
In the above-mentioned thermospray metal coating layer material, pure zinc silk is because of low price, and working method simply and is widely used.Yet its intensity and hardness are low, and tensile strength is low, and when as the anticorrosion with painting material, strength of materials hardness is low, and material is soft partially, flexible distortion.And Zn-Al alloy wire such as ZnAl
5, ZnAl
15Deng because complex manufacturing, production cost and material price are higher, so the purer zinc silk of consumption is few during as the anticorrosion with painting material.
In fact, another major cause of the less employing of Zn-Al alloy wire stretches easily broken exactly when producing filament and is difficult to carry out.Because raising along with aluminium content; Because because of the increase of component gap causes that segregation phenomena increases, be difficult to guarantee its homogeneous microstructure, resistance to deformation increases; So aluminium content is high more; It is difficult to be drawn into silk, thereby high aluminium content and drawing difficulty be a main difficult problem for preparing a material, and more the development of the Zn-Al alloy wire of high aluminium content does not appear in the newspapers yet.
To this problem, the someone proposes, and REE can significantly improve the physical and mechanical property of alloy in metal field, and REE has obtained extensive concern in the research in corrosion prevention field with using.Like Chinese patent CN1718836A; The rare earth cerium (Ce) that accounts for a material gross weight 0.05-0.3% is joined in Mg, the Al metal, make a kind of anticorrosive wire material sprayed with rare-earth aluminum-magnesium alloy, be used for the especially long-effective corrosion of hydro project gate of steelwork; Obtained positive protection effect; But what it adopted is to add single rare earth elemental cerium (Ce), thereby has influenced the further raising of silk material barrier propterty, is unfavorable for applying.And experiment shows, adopts the similar techniques scheme, and near down in limited time, for example when less than 0.08% the time, the rare earth role is extremely small like content of rare earth; And when greater than 0.1% the time, it is not obvious again that rare earth rises to the continuation of zinc alloy intensity, and therefore, this technical application is very limited, also fails in the Zn-Al alloy wire of effective application thermospray metallic coating.
In addition, just more do not appear in the newspapers about preparing not only protection against corrosion but also possessing hot spray wire anti-skidding or not sliding functional coating in the prior art.
So still need a kind of low price on the market and have higher-strength replace traditional zinc silk be used to make the anticorrosion with painting engineering and have anti-skidding simultaneously again or the hot spray wire of sliding function.
Summary of the invention
Deficiency to zinc silk in the market requirement and the prior art or zinc-aluminium silk exist the object of the present invention is to provide a kind of polynary thermal spraying aluminum titanium alloy wire and method of manufacture thereof, and this material is sprayed at the surface of steel, has obtained good anticorrosion and skidproof effect.
The present invention provides a kind of polynary aluminum titanium alloy silk, and by weight percentage, its component is: aluminium Al:94%-97%; Vanadium V:0.05%-1%; Titanium Ti:2%-5%; The total amount of at least two kinds of REEs: 0.02-1.2%, total amount is no more than 1% trace additives, and the resistivity of said aluminum titanium alloy silk is 2.0-6.0 μ Ω cm, and the proportion of said aluminum titanium alloy silk is 2.60-2.75g/cm
3, the unit elongation 10～25% of said aluminum titanium alloy silk.
Preferably, the total amount of wherein said at least two kinds of REEs: 0.15-0.6%, the resistivity of said aluminum titanium alloy silk is 3.0-5.0 μ Ω cm, the proportion of said aluminum titanium alloy silk is 2.64-2.70g/cm
3, the unit elongation 15-18% of said aluminum titanium alloy silk.
Preferably, the diameter of wherein said aluminum titanium alloy silk is 1.5-4.0mm, and the tensile strength of said aluminum titanium alloy silk after 180-280 ℃ of annealing reached repeatedly drawing in 1.5-3 hour is 75-115Mpa.
Preferably, wherein said REE mainly comprises lanthanum La, cerium Ce, praseodymium Pr, neodymium Nd, the content of wherein said lanthanum La: 0.01-0.8%, the content of cerium Ce: 0.01-0.8%, the content of praseodymium Pr: 0.01-0.2%, the content of neodymium Nd: 0.01-0.2%.
Preferably, wherein the mass ratio of each composition is:
V/Ti＝1/40～1/5，
The total amount of at least two kinds of REEs of V/=1/1～2/1,
The total amount of at least two kinds of REEs of Ti/=5/1～25/1.
Preferably, the composition of each component is respectively by weight percentage in the wherein said trace additives: Fe＜0.01%, Pb＜0.005%, Cd＜0.002%, Sn＜0.001%.
On the other hand, the present invention also provides a kind of method for preparing said aluminum titanium alloy silk, gets the raw materials ready according to the weight percent of said each component of aluminum titanium alloy silk; Each component is made aluminum titanium alloy by proportioning in smelting furnace, pour into the aluminum titanium alloy rod through the deep-well forging type again, then; The aluminum titanium alloy rod is put into 350～450 ℃ electric furnace 4～8 hours, carry out homogenizing and handle, use extrusion machine again; At 380～420 ℃ of following hot extrusion materials, make material pass through circular die, form the thick line base of diameter 4.5～8mm; With the thick line base in vacuum annealing furnace 180～280 ℃ annealing 1.5～3 hours; Carry out drawing, annealing again, and then repeat above drawing, annealed step successively, up to the silk material of processing 1.5～4.0mm.
Preferably, wherein drawing process is following: the thick line base of diameter 4.5～8mm is stretched to diameter 4.0mm～7.0mm, and then annealing; Again with the wire stretching of 4.0mm～7.0mm to 3.5mm～6.0mm, and then annealing; At last with wire stretching to 1.5～4.0mm of 3.5mm～6.0mm.
Preferably, the annealing temperature after wherein each drawing is 180～230 ℃, and annealing time is 1.5～3 hours.
Preferably, wherein the drawing speed of each passage is 10～35mm/min, and draft temperature is 20～30 ℃.
Adopt technical scheme of the present invention, obtained the technique effect of highly significant, specific as follows:
Aluminium provides extraordinary passivation property, and adding titanium in the aluminium can crystal grain thinning, improves the casting surface quality, and titanium forms the aluminium titanium compound with aluminium simultaneously, forms superfluous, precipitation strength phase, and the intensity of raising alloy is beneficial to moulding.Therefore, the hardness of coating is higher, and the extensibility of wear resistance and spraying particle is better, forms flat particle, and erosion resistance is better.In addition, the adhesivity of coating is stronger, and skidproof effect significantly is improved.
The present invention has adopted the adding of two kinds and two or more thuliums, except crystal grain thinning better, can also eliminate the deleterious effect of ferro element to duraluminum better, thereby improve the intensity and the plasticity of duraluminum.
And the present invention is through the adding of two kinds and two or more thuliums, overcome owing to add the defective that the increase of the component gap that titanium causes causes the segregation phenomena increase; Reduce the surface tension on the new and old two-phase interface better; Also between crystal grain and alloy liquid, form surface-active film when accelerating nucleus growth speed better, stop the grain growth that generates, make the alloy structure refinement; Guaranteed homogeneous microstructure, resistance to deformation increases.
And the present invention has improved the antioxidant property of thermal spraying material better through the adding of two kinds and two or more thuliums, has suppressed the formation speed of sull better, has strengthened the antistripping ability of sull better.
And the present invention is through the adding of two kinds and two or more thuliums, and REE can react with oxygen, sulphur in alloy liquid simultaneously, can adsorb in a large number and dissolved hydrogen, more effectively reduces its hazardness, reduces the hydrogen content and the pin hole rate of aluminium greatly.
At last; The present invention is through adding two or more thulium; Optimize duraluminum interior metal crystalline structure better, when having improved the alloy structure corrosion resisting property better, also improved the physical and mechanical properties of alloy greatly; Guaranteed the processing and fabricating of silk material and the application in the construction, thoroughly overcome because the high more more difficult defective of silk that is drawn into of aluminium content.
Therefore; The present invention is through adding two or more thulium; With respect to adding single REE, more obvious to the influence of zinc alloy intensity, and minimum of middle-weight rare earths content of the present invention needs to add the technique effect that 0.02% of total amount promptly can reach expection; This is very important to saving rare day by day rare earth resources, can greatly save production cost; On the other hand, the performance of aluminum titanium alloy silk also can overcome to add the existing defective of single REE in the prior art along with the continuation of content of rare earth is risen and improvement more significantly fully.
Yet; The interpolation of rare earth metal is not The more the better yet; The present invention is according to the composition of base mateiral; After testing repeatedly in a large number, screening, finally confirmed the optimum range of at least two kinds of REE total contents technique effect of the present invention to be improved further through a series of creative works.
Simultaneously; The contriver also finds; Though any two or more rare earth adds the corrosion resistance that all can promote the aluminum titanium alloy silk in the aluminum titanium alloy silk simultaneously in 17 kinds of REEs; But neither all arbitrarily two or more REEs add the technique effect that all can play equal highly significant in the aluminum titanium alloy silk simultaneously to, this with can add the derivation that any two kinds of REEs all can reach identical technique effect in theory and differ greatly.The present invention is after testing, screening in a large number repeatedly; Finally confirmed lanthanum (La) through a series of creative works, cerium (Ce), praseodymium (Pr); These 4 kinds of REEs of neodymium (Nd) and the optimum range when adding separately thereof, thus make technique effect of the present invention realize optimizing.
Also add the vanadium of certain content in the aluminum titanium alloy silk that the present invention adopts, added the hardness that a certain amount of vanadium can further improve the persistent corrosion resistance of aluminum titanium alloy silk coating and increase coating, especially further improved the non-skid property of coating.
Simultaneously, the present invention comprises according to practical situation or does not comprise such as trace elements such as Fe, and this can improve coating opposing atomospheric corrosion, galvanic corrosion and airflow scouring erosive ability to a certain extent.
Further, the contriver finds through the mass ratio that suitable each formed part is set after testing repeatedly in a large number, screening, and can improve the ability such as anticorrosive of coating more significantly.Wherein, when V/Ti=1/40～1/5, the hardness of coating and the best results of non-skid property due to V and the Ti; When total amount=1/1～2/1 of at least two kinds of REEs of V/, the total amount of at least two kinds of REEs of Ti/=5/1～25/1 o'clock, REE does not have obvious influence to the formation of oxide compound; Simultaneously can effectively remove wherein unnecessary free oxygen level; The fastness to rubbing of coating is improved greatly, the concentration class of alloy is improved greatly, thereby improve the resistance to corrosion of alloy silk more significantly.
The present invention also provides a kind of method for preparing the aluminum titanium alloy silk; Adopt this method, ME is simple and direct, and product cost is moderate; The metal thermal spraying coating silk material that adopts this method to make; Have outstanding adhesion, good physical mechanical property, solidity to corrosion and not sliding performance, its construction cost appropriateness helps applying.Technical problems such as the manufacturing cost that has solved present rare earth wire rod existence is expensive, barrier propterty is not enough, the construction application cost high, be difficult to apply.
In addition, adopt the very tangible technique effect of technical scheme another one of the present invention to be, the resistivity of said aluminum titanium alloy silk is 2.0-6.0 μ Ω cm, and the proportion of said alloy silk is 2.60-2.75g/cm
3The unit elongation 10～25% of said aluminum titanium alloy silk; These excellent performances are more than alloy silk of the prior art far away, and the interior microscopic that aluminum titanium alloy silk of the present invention is described is organized very large variation has also been taken place, although these variations can't use the structure of aluminum titanium alloy silk or the qualification of composition to describe; But through the improvement of above-mentioned performance perameter, those skilled in the art can clearly be known its qualification effect of being played to aluminum titanium alloy silk of the present invention.
Therefore, aluminum titanium alloy silk of the present invention has that intensity is big, hardness is high, advantages such as low price, and alternative traditional zinc silk is used for the anticorrosion with painting engineering and to anti-skidding field such as particular requirement is arranged.And this rare earth aluminum titanium alloy hot coating has outstanding adhesion, good physical mechanical property, corrosion resisting property and non-skid property; Pass through experimental test; Its average year erosion rate less than or be equivalent to the coatings such as the pseudo-alloy of aluminum titanium alloy, aluminium titanium of thermospray zinc, aluminium low levels, and have non-skid property.Whole silk material process for machining and manufacturing is simple and direct, cost is lower, construction application cost appropriateness.
Adopt aluminum titanium alloy silk of the present invention to do sacrificial anode and be sprayed at the steel and iron member top layer, can make member prolong 5～10 times work-ing life, have skidproof effect simultaneously.Therefore, this technology is widely used in ship deck, public works, walkway, in the facilities such as tunnel frame, has boundless application prospect.
Description of drawings
Fig. 1 diameter is the microtexture of the polynary aluminum titanium alloy silk material of 2.0mm.
Fig. 2 adopts the coating section morphology of electric arc spraying.
Fig. 3 adopts the coatingsurface form of electric arc spraying.
Embodiment
Polynary aluminum titanium alloy silk of the present invention, by weight percentage: its component is: aluminium Al:94%-97%; Vanadium V:0.05%-1%; Titanium Ti:2%-5%; The total amount of at least two kinds of REEs: 0.02-1.2%, total amount is no more than 1% trace additives, and the resistivity of said aluminum titanium alloy silk is 2.0-6.0 μ Ω cm, and the proportion of said aluminum titanium alloy silk is 2.60-2.75g/cm
3, the unit elongation 10～25% of said aluminum titanium alloy silk.
What need specify is here, adopts the very important improvement of technical scheme of the present invention to be, the resistivity of said aluminum titanium alloy silk is 2.0-6.0 μ Ω cm, and the proportion of said aluminum titanium alloy silk is 2.60-2.75g/cm
3, the unit elongation 10～25% of said aluminum titanium alloy silk.These excellent performances all are more than the alloy silk under the equal conditions in the prior art far away; The interior microscopic that aluminum titanium alloy silk of the present invention is described is organized very large variation has also been taken place; Although these micro-variations can't use the structure of aluminum titanium alloy silk and/or the qualification of composition to describe; But through further describing of above-mentioned performance perameter, those skilled in the art can clearly be known its qualification effect of being played to aluminum titanium alloy silk of the present invention.
Provide some preferred embodiments of each composition mass percent of the present invention below in conjunction with table 1; But the content of each composition of the present invention is not limited to listed numerical value in this table; For a person skilled in the art, fully can be in table rationally summarize and reasoning on the basis of listed numerical range.
Table 1: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
2-12 further provides each composition of the present invention below in conjunction with table; The composition of the especially concrete REE that adopts and some preferred embodiments of mass percent thereof; But the content of each composition of the present invention is not limited to listed numerical value in this table; For a person skilled in the art, fully can be in table rationally summarize and reasoning on the basis of listed numerical range.
And what need to specify is, although listed file names with lanthanum (La) among the table 2-12, and cerium (Ce), praseodymium (Pr), the correlation values of neodymium (Nd) itself and content, this this element is not to describe as prerequisite.For the present invention, the content of core is through adding crystal grain that Ti, V and two kinds of REEs reach the refinement coating, improve its toughness, improve the purpose of its contact corrosion resistant ability, and improves the non-skid property of aluminum titanium alloy at least.And on this basis, close lanthanum (La), cerium (Ce) through further selection; Praseodymium (Pr), neodymium (Nd) itself and content all are in order to make this technique effect more outstanding, and is more superior; Therefore, only be these 4 kinds of REEs although all list file names with among the below table 2-12, all be preferred condition; All to be in order providing in more detail, but not to be to describe as prerequisite of the present invention about technical intelligence of the present invention.
Table 2: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 3: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 4: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 5: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 6: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 7: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 8: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 9: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 10: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 11: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Table 12: each composition accounts for the mass percentage content (%) and the index of correlation parameter of gross weight
Preferably, wherein the mass ratio of each composition is:
V/Ti＝1/20～1/8，
The total amount of at least two kinds of REEs of V/=5/4～3/2,
The total amount of at least two kinds of REEs of Ti/=8/1～15/1.
In addition, the present invention also provides a kind of method for preparing said aluminum titanium alloy silk, gets the raw materials ready according to the weight percent of described each component of aluminum titanium alloy silk; Each component is made aluminum titanium alloy by proportioning in smelting furnace, pour into the aluminum titanium alloy rod through the deep-well forging type again, then; The aluminum titanium alloy rod is put into 450～550 ℃ electric furnace 4～8 hours, carry out homogenizing and handle, use extrusion machine again; At 380～420 ℃ of following hot extrusion materials, make material pass through circular die, form the thick line base of diameter 4.5～8mm; With the thick line base in vacuum annealing furnace 180～280 ℃ annealing 1.5～3 hours; Carry out drawing again, repeat above annealing, drawing step then successively, up to the silk material of processing 1.5～4.0mm.
Preferably, the thick line base of diameter 4.5～8mm is stretched to diameter 4.0mm～7.0mm, and then annealing; Again with the wire stretching of 4.0mm～7.0mm to 3.5mm～6.0mm, and then annealing; At last with wire stretching to 1.5～4.0mm of 3.5mm～6.0mm.
Preferably, the annealing temperature after wherein each drawing is 180～230 ℃, and annealing time is 1.5～3 hours.
Preferably, wherein the drawing speed of each passage is 10～35mm/min, and draft temperature is 20～30 ℃.
Preferably, wherein polynary aluminum titanium alloy silk is 1.33 * 10 in vacuum tightness
-2In 180-280 ℃ of annealing 1.5-3 hour, 350～500 tons extrusion machine was adopted in extruding in the vacuum oven of Pa.
The said aluminum titanium alloy silk that adopts aforesaid method to obtain, diameter is 1.5-4.0mm, and the tensile strength of said aluminum titanium alloy silk is 75-115Mpa, and concrete performance perameter is as shown in table 13 below:
Table 13: the diameter of aluminum titanium alloy silk and the performance perameter of tensile strength
| Diameter (mm) | Tensile strength (Mpa) |
| 1.5 | ?75 |
| 1.8 | ?80 |
| 2.0 | ?84 |
| 2.2 | ?87 |
| 2.5 | ?93 |
| 2.8 | ?95 |
| 3.0 | ?100 |
| 3.3 | ?105 |
| 3.8 | ?110 |
| 4.0 | ?115 |
In sum, the present invention is through to aluminum titanium alloy silk, preparation technology's improvement, can form anti-corrosion, wear resistance good, the coating good with the matrix mechanical bond.The improvement of any adaptation of on basis of the present invention, carrying out does not all break away from thought of the present invention, all falls into the scope of the present invention's protection.
Claims (10)
1. polynary aluminum titanium alloy silk, by weight percentage, its component is: aluminium Al:94%-97%; Vanadium V:0.05%-1%; Titanium Ti:2%-5%; The total amount of at least two kinds of REEs: 0.02-1.2%, total amount is no more than 1% trace additives, and the resistivity of said aluminum titanium alloy silk is 2.0-6.0 μ Ω cm, and the proportion of said aluminum titanium alloy silk is 2.60-2.75g/cm
3, the unit elongation 10～25% of said aluminum titanium alloy silk.
2. aluminum titanium alloy silk as claimed in claim 1, the total amount of wherein said at least two kinds of REEs: 0.15-0.6%, the resistivity of said aluminum titanium alloy silk is 3.0-5.0 μ Ω cm, the proportion of said aluminum titanium alloy silk is 2.64-2.70 g/cm
3, the unit elongation 15-18% of said aluminum titanium alloy silk.
3. aluminum titanium alloy silk as claimed in claim 1, the diameter of wherein said aluminum titanium alloy silk are 1.5-4.0mm, and the tensile strength of said aluminum titanium alloy silk after 180-280 ℃ of annealing reached repeatedly drawing in 1.5-3 hour is 75-115Mpa.
4. aluminum titanium alloy silk as claimed in claim 1, wherein said REE mainly comprises lanthanum La, cerium Ce; Praseodymium Pr, neodymium Nd, the content of wherein said lanthanum La: 0.01-0.8%; The content of cerium Ce: 0.01-0.8%, the content of praseodymium Pr: 0.01-0.2%, the content of neodymium Nd: 0.01-0.2%.
5. aluminum titanium alloy silk as claimed in claim 1, wherein the mass ratio of each composition is:
V/Ti＝1/40～1/5，
The total amount of at least two kinds of REEs of V/=1/1～2/1,
The total amount of at least two kinds of REEs of Ti/=5/1～25/1.
6. as shining the described aluminum titanium alloy silk of claim 1, the composition of each component is respectively by weight percentage in the wherein said trace additives: Fe＜0.01%, Pb＜0.005%, Cd＜0.002%, Sn＜0.001%.
7. a method for preparing the described aluminum titanium alloy silk of claim 1 is got the raw materials ready according to the weight percent of said each component of aluminum titanium alloy silk, and each component is made aluminum titanium alloy by proportioning in smelting furnace; Pour into the aluminum titanium alloy rod through the deep-well forging type again, then, the aluminum titanium alloy rod put into 350～450 ℃ electric furnace 4～8 hours; Carry out homogenizing and handle, use extrusion machine again, at 380～420 ℃ of following hot extrusion materials; Make material pass through circular die; Form the thick line base of diameter 4.5～8mm,, carry out drawing, annealing again 180～280 ℃ of annealing 1.5～3 hours in vacuum annealing furnace of thick line base; And then repeat above drawing, annealed step successively, up to the silk material of processing 1.5～4.0mm.
8. method as claimed in claim 7, wherein drawing process is following: the thick line base of diameter 4.5～8mm is stretched to diameter 4.0mm～7.0mm, and then annealing; Again with the wire stretching of 4.0mm～7.0mm to 3.5mm～6.0mm, and then annealing; At last with wire stretching to 1.5～4.0mm of 3.5mm～6.0mm.
9. method as claimed in claim 8, the annealing temperature after wherein each drawing is 180～230 ℃, annealing time is 1.5～3 hours.
10. method as claimed in claim 8, wherein the drawing speed of each passage is 10～35mm/min, draft temperature is 20～30 ℃.
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| CN103272864A (en) * | 2013-05-17 | 2013-09-04 | 贵州顶效经济开发区沈兴实业有限责任公司 | Processing method of TC21 high-strength and high-toughness titanium alloy wire |
| CN104264003A (en) * | 2014-09-26 | 2015-01-07 | 国网河南省电力公司周口供电公司 | Stretch-proof energy-saving aluminum alloy conductor and preparation method thereof |
| CN109943796A (en) * | 2019-03-21 | 2019-06-28 | 珠海弘德表面技术有限公司 | A kind of thermal spraying material and preparation method thereof of resistance to molten aluminum etch |
| CN113102543A (en) * | 2021-03-16 | 2021-07-13 | 东莞市诺德金属科技有限公司 | Preparation method of high-performance Ti-6Al-7Nb titanium alloy wire for surgical implantation |
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Cited By (7)
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|---|---|---|---|---|
| CN103272864A (en) * | 2013-05-17 | 2013-09-04 | 贵州顶效经济开发区沈兴实业有限责任公司 | Processing method of TC21 high-strength and high-toughness titanium alloy wire |
| CN103272864B (en) * | 2013-05-17 | 2016-12-28 | 贵州顶效经济开发区沈兴实业有限责任公司 | A kind of processing method of TC21 high-strength high-ductility titanium alloy silk material |
| CN104264003A (en) * | 2014-09-26 | 2015-01-07 | 国网河南省电力公司周口供电公司 | Stretch-proof energy-saving aluminum alloy conductor and preparation method thereof |
| CN104264003B (en) * | 2014-09-26 | 2016-09-07 | 国网河南省电力公司周口供电公司 | A kind of energy-saving aluminium alloy wire of stretch-proof and preparation method thereof |
| CN109943796A (en) * | 2019-03-21 | 2019-06-28 | 珠海弘德表面技术有限公司 | A kind of thermal spraying material and preparation method thereof of resistance to molten aluminum etch |
| CN113102543A (en) * | 2021-03-16 | 2021-07-13 | 东莞市诺德金属科技有限公司 | Preparation method of high-performance Ti-6Al-7Nb titanium alloy wire for surgical implantation |
| CN113102543B (en) * | 2021-03-16 | 2022-07-19 | 东莞市诺德金属科技有限公司 | Preparation method of high-performance Ti-6Al-7Nb titanium alloy wire for surgical implantation |
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| CN102534317B (en) | 2013-10-23 |
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