CN1629353B - Hot spraying aluminium-zinc alloy wire rod and method for making same - Google Patents
Hot spraying aluminium-zinc alloy wire rod and method for making same Download PDFInfo
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- CN1629353B CN1629353B CN2003101191510A CN200310119151A CN1629353B CN 1629353 B CN1629353 B CN 1629353B CN 2003101191510 A CN2003101191510 A CN 2003101191510A CN 200310119151 A CN200310119151 A CN 200310119151A CN 1629353 B CN1629353 B CN 1629353B
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Abstract
The invention relates to a heat spraying aluminium zinc alloy wire rod composition and its preparing process, wherein the constituents (by weight percentage) of the wire rod include Al 54-56%, 0.004%<=M<=1.08%, impurity whose total amount is less than 1%, and balancing Zn, M is any one or the combination of RE, Mg, Ti or B.
Description
Technical field
The present invention relates to a kind of thermal spraying alloy wire rod, specifically a kind of thermal spraying aluminum zinc alloy wire rod and preparation method thereof.
Background technology
Adopt hot-spraying techniques that zinc, aluminium or its alloy silk are sprayed to the steel and iron member surface, can protect the iron and steel facility of various corrosive environments for a long time.In general, the thermospray spelter coating has good galvanic protection effect to iron and steel, and the thermal spraying aluminum coating then has superior anticorrosive, shock resistance.If with its combination, the alloy of spraying zinc and aluminium both can provide good galvanic protection performance on steel, had corrosion resistant performance again, had prolonged the life-span of steel.Present domestic zinc commonly-15% aluminium alloy wires, its weakness is to be easy to generate intergranular corrosion; Comparatively speaking, the corrosion resistance nature of aluminium-zinc alloy is more outstanding than aluminium zinc, but still finds no the relevant report of closing the preparation of thermal spraying aluminum zinc alloy wire rod.In addition, further add elements such as rare earth, titanium, magnesium and carry out Alloying Treatment in aluminium-zinc alloy, can make the grain refining of alloy, plasticity and solidity to corrosion are improved, and should be a kind of good methods of avoiding intergranular corrosion to take place, but there is no the report of this method at present.
Higher relatively (the w of aluminium content in the aluminium-zinc alloy
Al54%～56%), intensity, hardness are higher, and room temperature and pyritous plasticity-are relatively poor, and the distortion difficulty directly adopts common forging, roll process to be shaped, and lumber recovery is lower, the cost height.The horizontal continuous casting technology of metallic substance is a kind of new and high technology that is used to produce the difficult high alloy wire rod that is out of shape.But produce the aluminium-zinc alloy wire rod in field of thermal spray and still do not have relevant report.
Summary of the invention
In order to overcome above-mentioned deficiency, the object of the present invention is to provide a kind of thermal spraying aluminum zinc alloy wire rod of fine corrosion resistance, so that the large-scale steel structure of outdoor use can be protected fully, prolong its work-ing life.
Another purpose of the present invention is to provide a kind of preparation method of thermal spraying aluminum zinc alloy wire rod, utilize horizontal continuous casting method of the present invention that aluminium-zinc alloy is become solid-state from liquid state by the water-cooled rapid crystallization, multichannel is continuously cast into the wire rod blank simultaneously, can be directly used in preparation aluminium-zinc alloy wire rod after handling by homogenizing annealing.
Technical solution of the present invention is as follows: by weight percentage, and the consisting of of thermal spraying aluminum zinc alloy wire rod component: Al:54%～56%; M:0.004%～1.08%; Total amount less than, equal 1% impurity (Fe, Si, Cu etc.); Surplus is Zn; Wherein M is the combination of a kind of, two kinds, three kinds or four kinds among RE (RE is meant the norium that contains cerium massfraction 〉=45%, wherein rare earth metal total mass mark 〉=98%), Mg, Ti or the B; Specific as follows:
1) if a kind of composition wherein then is respectively: RE is 0.01%～0.2% of a total amount, or Mg is 0.02%～0.4% of total amount, or Ti is 0.02%～0.4% of total amount, or B is 0.004%～0.08% of a total amount;
2) be wherein two kinds of compositions, then be respectively the RE that accounts for total amount 0.01%～0.2% and account for the Mg (or Ti) of total amount 0.02%～0.4%, composition RE wherein, Mg or Ti should satisfy RE: Mg (or Ti)=1: (1.5～2.5); Or be Mg that accounts for total amount 0.02%～0.4% and the Ti that accounts for total amount 0.02%～0.4%, wherein composition Ti and Mg should satisfy Ti: Mg=1: (0.5～2); Or be Ti that accounts for total amount 0.02%～0.4% and the B that accounts for total amount 0.004%～0.08%, wherein composition Ti and B should satisfy Ti: B=(4～8): 1;
3) if three kinds of compositions, then be respectively RE that accounts for total amount 0.01%～0.2% and the Ti that accounts for total amount 0.02%～0.4%, and the Mg B of total amount 0.008%～0.08% (or account for) that accounts for total amount 0.02%～0.4%, wherein, the RE that exists, Ti, Mg or B satisfy RE: Ti: Mg=1: (1.5～2.5): (1.5～2.5), or RE: Ti: B=(2～3): (4～8): 1; Or, account for the Ti of total amount 0.02%～0.4% for accounting for the Mg of total amount 0.02%～0.4%, and the B that accounts for total amount 0.008%～0.08%, the Mg of existence, Ti and B should satisfy Mg: Ti: B=(4～8): (4～8): 1;
4) if four kinds of compositions then are respectively the RE that accounts for total amount 0.01%～0.2%, account for the Mg of total amount 0.02%～0.4%, account for the Ti of total amount 0.02%～0.4%, and the B that accounts for total amount 0.004%～0.08%; Satisfy RE: Mg: Ti: B=(2～3): (4～8): (4～8): 1.
Its concrete preparation method is:
1) is in the aluminium liquid of molten state in the zinc ingot metal adding alloy melting stove with required quality earlier, control smelting temperature 963～1003K, treat to carry out refining after the zinc fusing, the master alloy that adds required quality then, be stirred well to molten clear, leave standstill 0.5～2hr, be transferred to the insulation crystal growing furnace after skimming and prepare to carry out horizontal continuous-casting.
2) adjust insulation crystal growing furnace furnace temperature, the alloy liquid temp in the assurance stove is stabilized in and is higher than fusing point 60～220K, and returns the surface and cause surface imperfection with formation and the line base core heat of avoiding the solid shell of overheated influence; Alloy liquid level in the stove remains in the scope that is higher than crystallizer top discharge hole 3～20mm, and keeping the multi-line quantity-produced needs and isostatic hydraulic pressure, and the wire rod that promotes to crystallize out from discharge hole stretches out; Alloy liquid is solidified gradually by the cooling of water-cooling system, forms the casting silk, and is pulled device lead-in conductor groove by certain linear velocity, and the wire rod blank of pulling out enters the lopping of take-up mechanism coiling through metallic channel; Crystallizer can adopt asbestos cement plate mould or copper crystallizer, and the pulling speed of cast alloy wire base is controlled at 0.010～0.020m/s usually; The cooling temperature of asbestos cement plate mould is between 288～328K, and the water coolant position is apart from nib 5～50mm, and hydraulic pressure to be breaking through the line base epidermis degree of being that just goes out nib, and keeps stable water pressure; When producing the alloy wire woolen cloth with copper crystallizer, hydraulic pressure should remain on 0.12～0.15 * 10
5Pa; In addition, also need feed water coolant in the crystallizer, when casting speed was 0.010～0.015m/s, leaving water temperature(LWT) should remain between 313～318K, when casting speed is 0.015～0.020m/s, and should be between 308～313K;
3) the aluminium-zinc alloy blank thick line of horizontal casting acquisition carries out the homogenizing annealing of 1.5～3.0hr and handles under 473～573K, become the Zn-Al alloy wire product again and through 3～8 drawings, tube reducings, and the coiling lopping.
The present invention has following advantage:
1. the invention solves aluminium zinc and be difficult to that moulding, yield rate are low, wire rod length short, the problem of construction inconvenience, and the present invention can cast out many woolen cloths simultaneously, therefore be applicable to the production in enormous quantities of medium and small factory.
2. the aluminium zinc of horizontal casting of the present invention casting silk surface quality is good, light, nothing scratch indentation, simultaneously, because cooling intensity is big, improved the precision of casting silk, reduced ovality, increased the compactness of casting silk, obtained the line base woolen cloth of newly net forming, can obtain to satisfy the needed finished product wire rod of Construction of Thermal Spraying through secondary cold working such as brief heat treating and hot candied tube reducings.
3. the Zinc-aluminum alloy wire of the present invention's preparation has excellent corrosion resistance nature and mechanical property; can be used as the novel thermal spraying material that is adapted to site operation; the large-scale steel structure that uses under industrial atmosphere district, marine atmosphere zone, waves splash about district, corrosive environments such as tidal range district and submerged zone can be protected fully, prolong its work-ing life.
Description of drawings
Fig. 1 is an aluminium-zinc alloy wire rod blank horizontal continuous casting equipment structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment in detail the present invention is described in detail.
Embodiment 1
Wire rod principal element weight percent sees Table 1.
Table 1 embodiment 1 wire rod composition for example
| Al | Mg | Ti | B | Fe+Si+Cu | Zn |
| 55％ | 0.2％ | 0.3％ | 0.06％ | ≤1％ | Surplus |
Preparation:
Horizontal continuous casting equipment structural representation of the present invention such as Fig. 1.Wherein: 1 is the insulation crystal growing furnace; 2 is crystallizer; 3 is pressure roller; 4 is withdrawing roll; 5 is take-up mechanism; 6 is water-cooled tube; 7 is metallic channel; 8 is the foudry line woolen cloth.
1) crucible with smelting furnace is preheated to garnet, the adding massfraction is 90% zinc ingot metal, add aluminium ingot again, heat fused treats that melt temperature reaches 923K when above, carries out refining with the refining agent (present embodiment adopts 0.2% zinc chloride) of massfraction 0.1～0.3%, adds all the other zinc ingot metals, and granularity 10～20mm, magnalium, Al-Ti-B intermediate alloy through preheating (are anti-oxidation with the graphite bell jar, master alloy wraps up with aluminium foil) be pressed into, constantly stir, until molten clear.Leave standstill 0.5hr, be transferred to the insulation crystal growing furnace after skimming, carry out horizontal casting after adjusting temperature.
2) adjust insulation crystal growing furnace furnace temperature, the alloy liquid temp in the assurance stove is stabilized in and is higher than fusing point 180K, and returns the surface and cause surface imperfection with formation and the line base core heat of avoiding the solid shell of overheated influence; Alloy liquid level in the stove remains in the scope that is higher than crystallizer top discharge hole 3～20mm, and keeping the multi-line quantity-produced needs and isostatic hydraulic pressure, and the wire rod that promotes to crystallize out from discharge hole stretches out.Crystallizer 2 is configured to a horizontal linear with the towing mechanism that pressure roller 3, metallic channel 7, withdrawing roll 4 and take-up mechanism 5 constitute, and alloy liquid is solidified gradually by the cooling of water-cooling system, forms the casting silk, and is pulled device lead-in conductor groove 7 by certain linear velocity.When brilliant speed and pulling speed balance were condensed in the alloy liquid cooling, the aluminium-zinc alloy wire rod was just come out from the horizontal direction cast by successive.The wire rod blank of pulling out enters take-up mechanism 5 coiling lopping through metallic channel.Crystallizer adopts the asbestos cement plate mould, and the pulling speed of present embodiment cast alloy wire base is controlled at 0.010m/s.The cooling temperature of asbestos cement plate mould is 323K, and the water coolant position is apart from 50 millimeters of nibs, and hydraulic pressure to be breaking through the line base epidermis degree of being that just goes out nib, and keeps stable water pressure.Aluminium-zinc alloy obtains the blank thick line of φ 4.2～4.5mm through horizontal casting.
3) the aluminium-zinc alloy blank thick line of horizontal casting acquisition carries out homogenizing annealing at 473K, air cooling behind the insulation 2hr.Blank behind the homogenizing annealing obtains φ 3.00 through drawing, the tube reducing of 4 passages
-0.10 + 0.00The aluminium-zinc alloy silk of mm, and coiling lopping, single alloy filament length degree 〉=15m, the heavy 25.0+1.0kg of product bundle.
Embodiment 2
Difference from Example 1 is: the wire rod composition is: Al, 55%; RE, 0.03%; Ti, 0.05%; Impurity is lower than 1%; Surplus Zn.Adopt copper mould casting alloy wire woolen cloth, the alloy liquid temp in the stove is stabilized in and is higher than fusing point 60K, and casting speed is 0.020m/s, and cooling water pressure is 0.15 * 10
5Pa, leaving water temperature(LWT) are 308K.The blank thick line carries out the homogenizing annealing of 3.0hr under 513K handles, and becomes φ 2.00 again and through 8 drawings, tube reducings
+ 0.00 -0.10The aluminium-zinc alloy silk product of mm, and coiling lopping.
Embodiment 3
Difference from Example 1 is: the wire rod composition is: Al, 55%; RE, 0.18%; Impurity is lower than 1%; Surplus Zn.Adopt copper mould casting alloy wire woolen cloth, the alloy liquid temp in the stove is stabilized in and is higher than fusing point 80K, and casting speed is 0.018m/s, and cooling water pressure is 0.12 * 10
5Pa, leaving water temperature(LWT) are 308K.The blank thick line carries out the homogenizing annealing of 3.0hr under 493K handles.
Embodiment 4
Difference from Example 1 is: the wire rod composition is: Al, 55%; RE, 0.06%; Mg, 0.13%; Ti, 0.14%; B, 0.03%; Impurity is lower than 1%; Surplus Zn.Casting speed is 0.015m/s, and cooling water pressure is 0.15 * 10
5Pa, leaving water temperature(LWT) are 318K.The blank thick line carries out the homogenizing annealing of 2.0hr under 513K handles.
Claims (5)
1. thermal spraying aluminum zinc alloy wire rod, it is characterized in that: by weight percentage, its component is: Al:54%-56%; M:0.004%-1.08%; Total amount less than, equal 1% impurity; Surplus is Zn; Wherein M is the combination of RE, Mg, Ti and B; When described M is four kinds of compositions among RE, Mg, Ti and the B, then be: account for the RE of total amount 0.01%～0.2%, account for the Mg of total amount 0.02%～0.4%, account for the Ti of total amount 0.02%～0.4%, and the B that accounts for total amount 0.004%～0.08%; Satisfy RE: Mg: Ti: B=(2～3): (4～8): (4～8): 1.
2. according to the described thermal spraying aluminum zinc alloy of claim 1 wire rod, it is characterized in that: described RE is meant the norium that contains cerium massfraction 〉=45%, wherein rare earth metal total mass mark 〉=98%.
3. thermal spraying aluminum zinc alloy wire rod, it is characterized in that: by weight percentage, its component is: Al:54%-56%; M:0.004%-1.08%; Total amount less than, equal 1% impurity; Surplus is Zn; Wherein M is RE, Ti or B; When described M was any composition among RE, Ti or the B, be respectively: RE was the 0.01%-0.2% of total amount, or Ti is the 0.02%-0.4% of total amount, or B is the 0.004%-0.08% of total amount.
4. thermal spraying aluminum zinc alloy wire rod, it is characterized in that: by weight percentage, its component is: Al:54%-56%; M:0.004%-1.08%; Total amount less than, equal 1% impurity; Surplus is Zn; Wherein M is any two compositions among RE, Mg, Ti or the B, then is respectively: account for the RE of total amount 0.01%-0.2% and account for Mg or the Ti of total amount 0.02%-0.4%, and composition RE wherein, Mg or Ti should satisfy RE: Mg=1: (1.5-2.5); RE: Ti=1: (1.5-2.5); Or be Mg that accounts for total amount 0.02%-0.4% and the Ti that accounts for total amount 0.02%-0.4%, wherein composition Ti and Mg should satisfy Ti: Mg=1: (0.5-2); Or be Ti that accounts for total amount 0.02%-0.4% and the B that accounts for total amount 0.004%-0.08%, wherein composition Ti and B should satisfy Ti: B=(4-8): 1.
5. thermal spraying aluminum zinc alloy wire rod, it is characterized in that: by weight percentage, its component is: Al:54%-56%; M:0.004%-1.08%; Total amount less than, equal 1% impurity; Surplus is Zn; Wherein M is three kinds of compositions among RE, Mg, Ti or the B, then be respectively: the RE and the Ti that accounts for total amount 0.02%-0.4% that account for total amount 0.01%-0.2%, and account for the Mg of total amount 0.02%-0.4% or account for the RE of total amount 0.01%-0.2% and account for the Ti of total amount 0.02%-0.4%, and the B that accounts for total amount 0.008%-0.08%, wherein, the RE of existence, Ti, Mg or B satisfy RE: Ti: Mg=1: (1.5-2.5): (1.5-2.5), or RE: Ti: B=(2-3): (4-8): 1; Or, account for the Ti of total amount 0.02%-0.4% for accounting for the Mg of total amount 0.02%-0.4%, and the B that accounts for total amount 0.008%-0.08%, the Mg of existence, Ti and B should satisfy Mg: Ti: B=(4-8): (4-8): 1.
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| CN2003101191510A CN1629353B (en) | 2003-12-18 | 2003-12-18 | Hot spraying aluminium-zinc alloy wire rod and method for making same |
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| CN2003101191510A CN1629353B (en) | 2003-12-18 | 2003-12-18 | Hot spraying aluminium-zinc alloy wire rod and method for making same |
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| CN1629353B true CN1629353B (en) | 2010-04-28 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906604B (en) * | 2010-07-30 | 2013-01-23 | 江苏中矿大正表面工程技术有限公司 | Rare earth aluminum alloy wire for thermal spraying |
| CN103374692B (en) * | 2012-04-17 | 2016-08-03 | 新兴铸管股份有限公司 | A kind of ferrous metal base anticorrosion coating on pipeline and spraying method thereof |
| CN102716933A (en) * | 2012-04-28 | 2012-10-10 | 长兴县华峰喷焊材料电炉有限公司 | Method for preparing thermal spraying metal wire |
| CN103205666A (en) * | 2013-04-12 | 2013-07-17 | 江苏中矿大正表面工程技术有限公司 | Rare-earth modification anode type zinc-aluminum alloy wire material for thermal spraying |
| CN104630687A (en) * | 2015-02-16 | 2015-05-20 | 刘芳 | Thermal-spraying zinc-aluminum composite wire as well as preparation method and use thereof |
| CN106399895A (en) * | 2016-09-18 | 2017-02-15 | 梁振西 | Zinc-copper-titanium alloy anticorrosive coating structure of steel structure |
| CN106319424A (en) * | 2016-09-18 | 2017-01-11 | 梁振西 | Zinc-copper-titanium alloy wire for electric arc spraying and preparation process of zinc-copper-titanium alloy wire |
| CN106702213B (en) * | 2017-02-16 | 2018-07-31 | 广州粤晖金属机械防护技术有限公司 | A kind of zinc-aluminium Mg alloy wire and its preparation method and application containing rare earth |
| CN111020447B (en) * | 2019-11-19 | 2021-08-13 | 江苏卓奇新材料科技有限公司 | Hot spraying rare earth alloy coating reinforcing steel bar |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1386875A (en) * | 2002-04-29 | 2002-12-25 | 戴国水 | Zn-Al alloy wire and its preparing process |
| CN1446936A (en) * | 2002-03-27 | 2003-10-08 | 北京有色金属研究总院 | Zinc based hot spraying tubular filament material and its application |
-
2003
- 2003-12-18 CN CN2003101191510A patent/CN1629353B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446936A (en) * | 2002-03-27 | 2003-10-08 | 北京有色金属研究总院 | Zinc based hot spraying tubular filament material and its application |
| CN1386875A (en) * | 2002-04-29 | 2002-12-25 | 戴国水 | Zn-Al alloy wire and its preparing process |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-131701A 2001.05.15 |
| JP特开平8-199279A 1996.08.06 |
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