CN102773254B - Preparation method of titanium-steel single-sided composite board - Google Patents
Preparation method of titanium-steel single-sided composite board Download PDFInfo
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- CN102773254B CN102773254B CN201210260229.XA CN201210260229A CN102773254B CN 102773254 B CN102773254 B CN 102773254B CN 201210260229 A CN201210260229 A CN 201210260229A CN 102773254 B CN102773254 B CN 102773254B
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- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 229910001200 Ferrotitanium Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 239000010936 titanium Substances 0.000 claims abstract description 57
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 55
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000003466 welding Methods 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 4
- 239000000463 material Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 235000013372 meat Nutrition 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000035618 desquamation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a preparation method of a titanium-steel single-sided composite board, comprising the following processing steps of: (1) respectively selecting two titanium plates with same size and two steel plates with same size and carrying out rust and oxide layer removal treatment on the surfaces of the plates; (2) assembling to form multiple layers of symmetrical combined blank sequentially including a steel plate, a transition layer, a titanium plate, a parting agent, a titanium plate, a transition layer and a steel plate, wherein a gap exists between the periphery of the titanium plate and a barrier strip in the combined blank; (3) compressing the combined blank and respectively welding the barrier strip with a first steel plate and a second steel plate to form a closed cavity among the first steel plate, the second steel plate and the barrier strip, drilling holes in the barrier strip and welding a steel tube in the holes, and communicating the steel tube and the closed cavity; (4) conveying the combined blank into a heating furnace to heat and vacuumizing; (5) sealing the outer end of the steel tube and then conveying the combined blank into a rolling mill; and (6) cutting the combined blank after rolling to obtain the titanium-steel single-sided composite board. The preparation method disclosed by the invention is rational in technical design and low in production cost.
Description
Technical field
The present invention relates to a kind of preparation method of clad steel plate, particularly relate to the preparation method of a kind of titanium-steel one side composite plate.
Background technology
Titanium-steel composite board is widely used in all departments such as the energy, oil, chemical industry, ocean due to the corrosion resistance of its excellence and significant economy.The method of producing titanium-steel composite board is mainly divided into two kinds: one is Explosion composite method, and another kind is roll-bonding method.The production board face that Explosion composite method is produced is less, production efficiency is low, bond strength is low, be indenting shape in conjunction with cross section, reduce the effective thickness of titanium layer.And roll-bonding method is divided into cold rolling composite algorithm and method hot rolling method, method hot rolling method is produced on a large scale, and Surface bond rate and interface bond strength are all better than explosion method.Patent CN101992344 discloses a kind of preparation method of titanium-steel composite board, and it is undertaken by following processing step, first chooses the equal titanium plate of length and width size and steel plate, removing rusty scale and oxide layer; Then by relative with surface of steel plate for titanium plate, overlap completely, form combination blank; Seal the surrounding of combination blank again with four blocks of titanium plates as side seal board, and with fixture, side seal board is put into vacuum chamber together with after combination blank clamping; Combination blank is welded sternly with all seams that contact of side seal board, it is sent in heating furnace jointly and is heated to 600 ~ 1200 DEG C, insulation 0.1 ~ 2h; Finally the combination blank heated is sent into rolling in milling train, obtain the titanium-steel composite board of interface bond strength >350MPa, in the method, weld after need putting blank into vacuum chamber, vacuum welding condition is harsh, welding cost is high, and technological design is reasonable not; And in the method, require higher to the material of steel plate, need to use stainless steel (as 304 austenitic stainless steels), cost is high.
Summary of the invention
The object of this invention is to provide the preparation method of the rational titanium of a kind of technological design-steel one side composite plate.
For achieving the above object, the technical solution used in the present invention is:
A preparation method for titanium-steel one side composite plate, is undertaken by following processing step: (1) chooses the equal titanium plate of the two pieces of sizes steel plate equal with two pieces of sizes respectively, eliminates rust and removing oxide layer process to the surface of titanium plate and steel plate; (2) closed framework is formed at the first steel plate surrounding welding blend stop, lay transition zone above the first steel plate in framework, transition zone is placed the first titanium plate of upper surface coating interleaving agent, first titanium plate is placed the second titanium plate of lower surface coating interleaving agent, transition zone, the second steel plate is placed successively above second titanium plate, form steel plate-transition zone-titanium plate-interleaving agent-titanium plate-transition zone-steel plate symmetrical expression multiple layer combination blank, in combination blank, between titanium plate surrounding and blend stop, have gap; (3) blank holding respectively by blend stop and the first steel plate, the second Plate Welding will be combined, make the first steel plate, the second steel plate and blend stop inside form airtight cavity, blend stop is holed and in hole welded still pipe, steel pipe is communicated with airtight cavity; (4) combination blank is sent into heating furnace heat and vacuumize, temperature controls 500
0c ~ 630
0c, insulation 1 ~ 2h, vacuum reaches 20 ~ 200Pa; (5) blank will be combined after being shut steel pipe outer end and send into rolling in milling train, rolling temperature 700
0c ~ 900
0c; (6) titanium-steel one side composite plate is cut and obtains after rolling.
The length of described titanium plate, width are less than length, the width of steel plate respectively; Described blend stop is welded in inner side between the first steel plate and the second steel plate; Gap uniformity between titanium plate surrounding and blend stop, symmetry.
Described blend stop is carbon steel.
Interleaving agent in described step (2) is by the active alpha-Al of 1 weight portion
2o
3mix with 4% polyvinyl alcohol water solution of 1.5 weight portions; Interleaving agent is coated on after on titanium plate and needs to dry.
Transition zone in described step (2) is nickel-base alloy.
The invention has the beneficial effects as follows:
1. technical flow design is reasonable, first weld after assembly, vacuumize again, only need common arc welding and submerged-arc welding just can satisfy condition during welding, compare and weld under vacuum, welding condition requires low, cost is low, and vacuum chamber need not be set up in addition, namely an independent blank is a little vacuum chamber, and structure is simple;
2. titanium plate is covered by the airtight cavity of steel plate formation, so its heating furnace (generally burn blast furnace gas) can be utilized to heat in steel rolling mill during rolling, and other method (as patent CN101992344) is when adopting the exposed open rolling of titanium plate, electrical heating (because the C meeting in coal gas and Ti generate the thick fragility TiC of 0.15mm) can only be used, institute is easier in this way, separately need not build resistance-heated furnace;
3. titanium plate is heated and rolling in a vacuum, can not be oxidized;
4. the generation of selecting nickel-base alloy to do transition zone effectively can to stop interface TiC, thus interface shear strength is brought up to more than 230MPa (GB8547-87 specifies interface shear strength >=198MPa);
5. the present invention is base material (in the present invention, base material is for steel plate) with common straightcarbon steel or low-alloy steel, relative to when taking austenitic stainless steel as base material, the lower and mechanical strength of its cost and performance of technical process (mainly welding) better;
6. the combination interface between light plate of the present invention and titanium plate is plane, does not reduce the effective thickness of cladding and basic unit, and explosion method combination interface is the inserted of interlocking, will certainly reduce the effective thickness of titanium cladding, reduces the service life of material;
7. the technical indicator of products obtained therefrom of the present invention can reach: a. Surface bond rate: 99.6% ~ 100%(GB8547-87:95% ~ 100%); B. interface shear strength: 230 ~ 260MPa(GB8547-87:138 ~ 196MPa).
Accompanying drawing explanation
Fig. 1 is product structure schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, the preparation method of a kind of titanium-steel one side composite plate, is undertaken by following processing step:
(1) choose the first steel plate 1, second steel plate 2 that the first equal titanium plate 3, second titanium plate 4 of two pieces of sizes is equal with two pieces of sizes respectively, eliminated rust and removing oxide layer process (only carrying out a surface-faying face of titanium plate and steel plate) in the surface of the first titanium plate 3, second titanium plate 4 and the first steel plate 1, second steel plate 2; The length of steel plate and width are respectively than the length of titanium plate and the large 80 ~ 100mm of width;
(2) framework closed is formed at the first steel plate 1 surrounding spot welding (spacing 200 ~ 300mm) blend stop 7, (faying face) lay transition zone 6 above the first steel plate 1 in framework, transition zone 6 is placed the first titanium plate 3 of upper surface coating interleaving agent 5, first titanium plate 3 is placed the second titanium plate 4 of lower surface coating interleaving agent 5, transition zone 6 is placed successively above second titanium plate 4, second steel plate 2, form steel plate-transition zone-titanium plate-interleaving agent-titanium plate-transition zone-steel plate symmetrical expression multiple layer combination blank, first titanium plate 3 in combination blank, have evenly between second titanium plate 4 surrounding and blend stop 7, symmetrical gap 10, gap 10 is passage when vacuumizing in following step, blend stop 7 adopts carbon steel (Q235B), and the thickness of blend stop is: 12mm, is highly: first, second titanium plate gross thickness adds 0.3mm, and length is: respectively add 10mm than the length and width of titanium plate, when blend stop is manufactured, mechanical cold shearing should be taked, as thermal cutting then must remove cut surface oxide layer, a side also necessary polishing scale removal of shelves bar, this side should inwards when being soldered on steel plate, and shelves bar width (or claiming height) error should control within 3 ‰, during blend stop welding, shelves bar is apart from steel plate edge 22-25mm, interleaving agent 5 in this step is by the active alpha-Al of 1 weight portion
2o
3mix with 4% polyvinyl alcohol water solution of 1.5 weight portions, active alpha-Al
2o
3require that 800 orders are with carefully, and the total content of potassium oxide and sodium oxide molybdena is less than or equal to 0.05%, 4% polyvinyl alcohol water solution must filter through 100 order gauzes, interleaving agent is by the long-pending 38-40g/m of multiple face
2take advantage of compression ratio to be brushed equably by the interleaving agent prepared on the undressed surface of titanium plate, be coated with after brushing and need thoroughly to dry it, transition zone in this step adopts nickel-base alloy, and object stops the C in Ti and base material to be reacted into TiC,
(3) blank will be combined and send into hydraulic pressure platform, with suitable pressure, superimposed body is compressed, under the prerequisite of pressure platform persistent pressure, arc welding by hand: small area analysis (≤200A) is by surrounding shelves bar 7 and the first steel plate 1, gap soldering and sealing between the second steel plate 2, postwelding is by pressure platform release, shift out base substrate to automatic submerged arc welding platform, by the groove submerged-arc welding full weld that base substrate surrounding shelves bar 7 and two block plates are formed, determine to weld front or after welding treatment system according to the material of steel plate during welding, to ensure that weldering meat 8 is without being mingled with, flawless, without core, make the first steel plate 1, second steel plate 2 and blend stop 7 inside form airtight cavity, on the weldering meat 8 of the combination blank welded, drilling depth is as the criterion to punch blend stop, and in hole, weld seamless steel pipe 9, and weldering is tight, and steel pipe 9 is communicated with airtight cavity, steel pipe 9 length 1000-1500mm, weld rear and carry out leak detection process: seamless steel pipe 9 is connected the inert gas such as argon gas or nitrogen, its pressure requirements >=0.5Mpa, on weldering meat 8, brushing concentration is the detergent solution of 2% simultaneously, check whether gas leakage, 10mm should be dug with under gas cutting if any gas leakage, then carry out repair welding and again hunt leak, until do not leak,
(4) will combine blank and send into heating furnace, the seamless steel pipe 9 that combination blank welds curves U-shaped, and bend is split (cooling effect) in cold water, and pipe connects vavuum pump (blade X15 type vavuum pump); Start vavuum pump and heating furnace thermal source, temperature controls 500
0c ~ 630
0c, insulation 1 ~ 2h, vacuum reaches 20 ~ 200Pa;
(5) vacuumize qualified after, shut with forge hot length of normal blank about 150mm place the seamless steel pipe 9 that vacuumizes and allow it be close to steel billet; At semifinished product surface markers correlated identities (base number, rolling direction etc.), be rolled with large flat milling train in steel rolling mill, rolling temperature 700
0c ~ 900
0c;
(6) titanium-steel one side composite plate is cut and obtains after rolling.For improving start rolling temperature as far as possible, De-scaling box desquamation operation after coming out of the stove, can be removed from, only at milling train place high-pressure water descaling.The slab nature or air-cooled to normal temperature rolled, cuts into wanted specification with acetylene cutting, and through leveling.
Through detecting after cutting, the technical indicator of products obtained therefrom of the present invention can reach: a. Surface bond rate: 99.6% ~ 100%(GB8547-87:95% ~ 100%); B. interface shear strength: 230 ~ 260MPa(GB8547-87:138 ~ 196MPa).
Claims (5)
1. a preparation method for titanium-steel one side composite plate, is characterized in that, undertaken by following processing step: (1) chooses the equal titanium plate of the two pieces of sizes steel plate equal with two pieces of sizes respectively, eliminates rust and removing oxide layer process to the surface of titanium plate and steel plate; (2) closed framework is formed at the first steel plate surrounding welding blend stop, lay transition zone above the first steel plate in framework, transition zone is placed the first titanium plate of upper surface coating interleaving agent, first titanium plate is placed the second titanium plate of lower surface coating interleaving agent, transition zone, the second steel plate is placed successively above second titanium plate, form steel plate-transition zone-titanium plate-interleaving agent-titanium plate-transition zone-steel plate symmetrical expression multiple layer combination blank, in combination blank, between titanium plate surrounding and blend stop, have gap; (3) blank holding respectively by blend stop and the first steel plate, the second Plate Welding will be combined, make the first steel plate, the second steel plate and blend stop inside form airtight cavity, blend stop is holed and in hole welded still pipe, steel pipe is communicated with airtight cavity; (4) combination blank is sent into heating furnace heat and vacuumize, temperature controls 500
0c ~ 630
0c, insulation 1 ~ 2h, vacuum reaches 20 ~ 200Pa; (5) blank will be combined after being shut steel pipe outer end and send into rolling in milling train, rolling temperature 700
0c ~ 900
0c; (6) titanium-steel one side composite plate is cut and obtains after rolling.
2. the preparation method of titanium-steel one side composite plate as claimed in claim 1, it is characterized in that, the length of described titanium plate, width are less than length, the width of steel plate respectively; Described blend stop is welded in inner side between the first steel plate and the second steel plate; Gap uniformity between titanium plate surrounding and blend stop, symmetry.
3. the preparation method of titanium-steel one side composite plate as claimed in claim 1 or 2, it is characterized in that, described blend stop is carbon steel.
4. the preparation method of titanium-steel one side composite plate as claimed in claim 3, it is characterized in that, the interleaving agent in described step (2) is by the active alpha-Al of 1 weight portion
2o
3mix with 4% polyvinyl alcohol water solution of 1.5 weight portions; Interleaving agent is coated on after on titanium plate and needs to dry.
5. the preparation method of titanium-steel one side composite plate as claimed in claim 3, it is characterized in that, the transition zone in described step (2) is nickel-base alloy.
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|---|---|---|---|
| CN201210260229.XA CN102773254B (en) | 2012-07-26 | 2012-07-26 | Preparation method of titanium-steel single-sided composite board |
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|---|---|---|---|
| CN201210260229.XA CN102773254B (en) | 2012-07-26 | 2012-07-26 | Preparation method of titanium-steel single-sided composite board |
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| CN102773254A CN102773254A (en) | 2012-11-14 |
| CN102773254B true CN102773254B (en) | 2015-03-25 |
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| CN1669687A (en) * | 2005-04-04 | 2005-09-21 | 吉欣（英德）热轧不锈复合钢有限公司 | Process for producing brazing hot rolled metal composite plate adopting composite cog |
| CN101214497A (en) * | 2008-01-07 | 2008-07-09 | 吉欣（英德）热轧不锈复合钢有限公司 | Method for simultaneously rolling three metal composite boards by composite blanks |
| CN101214745A (en) * | 2008-01-07 | 2008-07-09 | 吉欣（英德）热轧不锈复合钢有限公司 | Double-layer stainless steel composite thin plate and its processing method |
| CN101992344A (en) * | 2010-11-11 | 2011-03-30 | 东北大学 | Preparation method of titanium-steel composite plate |
| CN102019292A (en) * | 2010-11-11 | 2011-04-20 | 东北大学 | Preparation method of titanium-steel composite plate thin strip |
| CN102248372A (en) * | 2011-06-22 | 2011-11-23 | 河南盛荣特种钢业有限公司 | Method for producing single-sided composite stainless steel cold rolling base stock |
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| CN102773254A (en) | 2012-11-14 |
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