CN105080997B - A kind of preparation method of unrepeatered transmission titanium steel composite board - Google Patents
A kind of preparation method of unrepeatered transmission titanium steel composite board Download PDFInfo
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- CN105080997B CN105080997B CN201510543693.3A CN201510543693A CN105080997B CN 105080997 B CN105080997 B CN 105080997B CN 201510543693 A CN201510543693 A CN 201510543693A CN 105080997 B CN105080997 B CN 105080997B
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Abstract
Manufacture field is prepared the invention belongs to titanium steel composite board, is related to a kind of manufacture method of unrepeatered transmission titanium steel composite board.The present invention provides a kind of preparation method of unrepeatered transmission titanium steel composite board, the described method comprises the following steps：A, the surface to the surface and titanium plate of steel plate or steel billet are handled to remove surface contaminants and oxide layer；B, using symmetrical assembly method steel plate or steel billet and titanium plate are carried out carrying out symmetrical assembly formation according to the order of steel plate or steel billet titanium plate steel plate or steel billet combining blank；C, combination blank are under vacuum conditions by welding the surrounding soldering of blank；D, combination blank is heated to 960~1000 DEG C, heats 120~360min；Blank after e, heating carries out hot rolling, more than 910 DEG C of control start rolling temperature, and finishing temperature is not less than 800 DEG C, and controls single pass heavy deformation 15%~20%, rolls total deformation >=90%；Room temperature is cooled to after the completion of hot rolling.It is high using the bond strength of titanium steel composite board obtained by this method.
Description
Technical field
Manufacture field is prepared the invention belongs to titanium steel composite board, is related to a kind of manufacture method of titanium steel composite board.
Background technology
Titanium has good physics, chemical property and mechanical performance, but its smelting technique is complicated, and production cost is high, therefore
The price of titanium is expensive, largely limits the popularization and application of titanium.Titanium is compounded in other metals (such as steel, copper, aluminium)
Together, metallic composite is made, the excellent properties of titanium can be both played, cost can be substantially reduced again, thus in recent years to class
Research like material is a lot, and wherein titanium-steel composite material is with its high intensity, excellent corrosion resisting property and significant economic benefit
It is widely used in the industrial departments such as chemical industry, oil.
The use of Direct Rolling method production titanium steel composite board is current development trend, compared to traditional explosion composite method and quick-fried
Fried-rolling, performance stable with size of product flexibly, the advantages of easily realizing mechanization, automated job.But due to
The solid solubility of titanium and iron is small, and brittlement phase will be formed on interface by directly being contacted with steel, therefore people are generally using in addition thin layer
The method of interbed is solved, and there are nickel, copper etc. in conventional intermediate layer.But these sheet metals are used, when rolling reduction is larger,
Because each layer resistance of deformation is different, easily it is broken, causes bond strength unstable.
The content of the invention
The present invention is directed to drawbacks described above, and the present invention provides a kind of preparation method of unrepeatered transmission titanium steel composite board, using straight
Rolling production titanium steel composite board is connect, without intermediate layer, by using higher finishing temperature, after making interface compound broken
The possibility for producing Micro-v oid reduces, so that negative effect of the hole to binding ability on interface is reduced to minimum, obtains
The titanium steel composite board of function admirable；It is high using the bond strength of titanium steel composite board obtained by this method.
Technical scheme：
The present invention provides the preparation method of a kind unrepeatered transmission titanium steel composite board, the described method comprises the following steps：
A, the surface to the surface and titanium plate of steel plate or steel billet are handled to remove surface contaminants and oxide layer；
B, using symmetrical assembly method steel plate or steel billet and titanium plate are carried out according to steel plate or steel billet-titanium plate-steel plate or steel billet
Order carry out symmetrical assembly formation combination blank；
C, combination blank are under vacuum conditions by welding the surrounding soldering of blank；
D, combination blank is heated to 960~1000 DEG C, heats 120~360min；
Blank after e, heating carries out hot rolling, more than 9210 DEG C of start rolling temperature of control, and finishing temperature is not less than 800 DEG C, and
And control single pass heavy deformation rolls total deformation >=90% 15%~20%；Room temperature is cooled to after the completion of hot rolling.
It is preferred that, in step d, combination blank is heated to 980~1000 DEG C.
Further, carbon content≤0.1% of the steel plate or steel billet, steel plate is common carbon steel board, and its described titanium plate is industry
Titanium board (TA1 or TA2).
It is preferred that, in step a, surface treatment is using at least one of sandblasting, pickling, machining and cleaning method.
Further, the combination blank is made up of two blocks of steel plates or steel billets and one piece of titanium plate being placed between it.
It is preferred that, in step c, vacuum≤1 × 10-2Pa, is vacuumized and is welded using vacuum electron beam welding method
Connect processing.
In step e, hot rolling uses hot tandem, can also be realized using heavy and medium plate mill.
A kind of titanium steel composite board, it uses the above method to be made, the steel plate or steel billet of the titanium steel composite board and titanium plate it
Between do not contain transition zone；I.e. without intermediate layer.
Further, the bond strength of the titanium steel composite board>240MPa, preferably 250~280MPa.
Beneficial effects of the present invention：
The titanium steel composite board that obtains after invention rolling, with reference to working well, bond strength>240MPa, higher than country's mark
The bond strength of similar titanium steel composite board in standard.
Embodiment
The process program of the present invention is as follows：
1. substrate uses straight carbon steel (carbon content is preferably below 0.1%), and compound plate uses commercial pure titanium (TA1 or TA2)；Base
Plate and compound plate surface carry out grinding and polishing processing, to remove surface contaminants and oxide layer；
2. symmetrical assembly is carried out according to the order of steel plate/titanium plate/steel plate, then in a vacuum by blank surrounding soldering, very
Reciprocal of duty cycle reaches 1 × 10-2Below Pa；
3. by the blank heating combined to 960~1000 DEG C, the heat time is 120~360min.
4. the blank after above-mentioned heating is taken out and rolled, roll total deformation >=90%, single pass heavy deformation control
In 15-20% or so；Finishing temperature is not less than 800 DEG C；It is subsequently cooled to room temperature.
The purpose of the present invention is to produce titanium steel composite board using Direct Rolling method, without intermediate layer, by technology controlling and process,
Negative effect by interfacial brittle with respect to binding ability is reduced to minimum, obtains the titanium steel composite board of function admirable.
The titanium steel composite board that obtains after invention rolling, with reference to working well, bond strength>240MPa, higher than country's mark
The bond strength of similar titanium steel composite board in standard.
The embodiment of the present invention is further described with reference to embodiment, not therefore by present invention limit
System is among described scope of embodiments.
Embodiment 1
1. processing dimension is respectively 200 × 160 × 18mm 2 pieces of steel plate, one piece of 160 × 120 × 20mm titanium plate, to it
Surface carries out grinding and polishing processing, to remove surface contaminants and oxide layer, is then carried out according to the order of steel plate/titanium plate/steel plate symmetrical
Assembly, by blank surrounding soldering, vacuum ＜ 10 in vacuum chamber-2Pa；
2. ready blank is put into heating furnace and is heated to 990 DEG C, be incubated 180min；
3. the blank after the completion of heating is taken out and rolled, pass deformation 15% or so, by 13 passes, tires out
Deflection 89% is counted, start rolling temperature is 950 DEG C, and 850 DEG C of finishing temperature is air-cooled to room temperature；
4. sampling is combined strength test, interface bond strength 260MPa；It is combined according to GB/T 8547-2006
Strength test.
Embodiment 2
1. processing dimension is respectively 200 × 160 × 18mm 2 pieces of steel plate, one piece of 160 × 120 × 20mm titanium plate, to it
Surface carries out grinding and polishing processing, to remove surface contaminants and oxide layer, is then carried out according to the order of steel plate/titanium plate/steel plate symmetrical
Assembly, by blank surrounding soldering, vacuum ＜ 10 in vacuum chamber-2Pa；
2. ready blank is put into heating furnace and is heated to 970 DEG C, be incubated 240min；
3. the blank after the completion of heating is taken out and rolled, pass deformation 20% or so, by 10 passes, tires out
Deflection 90% is counted, start rolling temperature is 920 DEG C, and 830 DEG C of finishing temperature is air-cooled to room temperature；
4. sampling is combined strength test, interface bond strength 255MPa；It is combined according to GB/T 8547-2006
Strength test.
Embodiment 3
1. processing dimension is respectively 200 × 160 × 18mm 2 pieces of steel plate, one piece of 160 × 120 × 20mm titanium plate, to it
Surface carries out grinding and polishing processing, to remove surface contaminants and oxide layer, is then carried out according to the order of steel plate/titanium plate/steel plate symmetrical
Assembly, by blank surrounding soldering, vacuum ＜ 10 in vacuum chamber-2Pa；
2. ready blank is put into heating furnace and is heated to 960 DEG C, be incubated 240min；
3. the blank after the completion of heating is taken out and rolled, pass deformation 20% or so, by 11 passes, tires out
Deflection 91% is counted, start rolling temperature is 910 DEG C, and 820 DEG C of finishing temperature is air-cooled to room temperature；
4. sampling is combined strength test, interface bond strength 280MPa；It is combined according to GB/T 8547-2006
Strength test.
Comparative example 1
Using titanium plate and steel plate same as Example 1, simply heating-up temperature in step 2 is using 820-950 DEG C, step
Rapid 3. middle pass deformation 10% or so, by 12 passes, accumulative deflection 85%, 740 DEG C of finishing temperature, water cooling is extremely
Air cooling after 680 DEG C；Other technological operation be the same as Examples；Sampling is combined the test of intensity, boundary according to GB/T 8547-2006
Face bond strength ＜ 200MPa.
It can be seen that, the present invention passes through the factor phases such as the suitable heating-up temperature of creative exploration discovery and deflection, finishing temperature
Mutually coordinate, you can realize that the titanium steel composite board without intermediate layer can also reach high interfacial strength (being more than 240MPa), and due to not
Containing intermediate layer, it on the one hand can simplify process, on the one hand be greatly reduced production cost.
Claims (9)
1. the preparation method of unrepeatered transmission titanium steel composite board, it is characterised in that the described method comprises the following steps：
A, the surface to the surface and titanium plate of steel plate or steel billet are handled to remove surface contaminants and oxide layer；
B, using symmetrical assembly method combine blank, the combination blank is by two blocks of steel plates or steel billets and one piece of titanium being placed between it
Plate is constituted；
C, combination blank are under vacuum conditions by welding the surrounding soldering of blank；
D, combination blank is heated to 960~1000 DEG C, heats 120~360min；
Blank after e, heating carries out hot rolling, controls start rolling temperature more than 910 DEG C, and finishing temperature is not less than 800 DEG C, and controls
Single pass heavy deformation rolls total deformation >=90% 15%~20%；Room temperature is cooled to after the completion of hot rolling.
2. the preparation method of unrepeatered transmission titanium steel composite board according to claim 1, it is characterised in that in step d, combination
Blank heating is to 980~1000 DEG C.
3. the preparation method of unrepeatered transmission titanium steel composite board according to claim 1 or 2, it is characterised in that the steel plate
Or carbon content≤0.1% of steel billet, the titanium plate is technical pure titanium plate.
4. the preparation method of unrepeatered transmission titanium steel composite board according to claim 1 or 2, it is characterised in that in step a,
Surface treatment is using at least one of sandblasting, pickling, machining and cleaning method.
5. the preparation method of unrepeatered transmission titanium steel composite board according to claim 3, it is characterised in that in step a, surface
Processing is using at least one of sandblasting, pickling, machining and cleaning method.
6. the preparation method of unrepeatered transmission titanium steel composite board according to claim 1 or 2, it is characterised in that in step c,
Vacuum≤1 × 10-2Pa, is vacuumized using vacuum electron beam welding method and carries out soldering.
7. the preparation method of unrepeatered transmission titanium steel composite board according to claim 3, it is characterised in that in step c, vacuum
Degree≤1 × 10-2Pa, is vacuumized using vacuum electron beam welding method and carries out soldering.
8. the preparation method of unrepeatered transmission titanium steel composite board according to claim 4, it is characterised in that in step c, vacuum
Degree≤1 × 10-2Pa, is vacuumized using vacuum electron beam welding method and carries out soldering.
9. the preparation method of unrepeatered transmission titanium steel composite board according to claim 5, it is characterised in that in step c, vacuum
Degree≤1 × 10-2Pa, is vacuumized using vacuum electron beam welding method and carries out soldering.
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| CN108393653A (en) * | 2017-02-05 | 2018-08-14 | 鞍钢股份有限公司 | It is a kind of using IF steel as the titanium steel composite board preparation method of middle layer |
| CN108326516B (en) * | 2018-02-02 | 2020-08-18 | 南京钢铁股份有限公司 | Preparation method of titanium steel composite board |
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| JP2001170780A (en) * | 1999-12-16 | 2001-06-26 | Daido Steel Co Ltd | Manufacturing method for titanium plate or titanium- cladded plate |
| CN101011706A (en) * | 2007-01-31 | 2007-08-08 | 哈尔滨工业大学 | Method for composite preparation of Ti alloy/TiAl alloy composite plate material by using laminated rolling-diffusion method |
| CN101406899A (en) * | 2008-11-21 | 2009-04-15 | 西安天力金属复合材料有限公司 | Method for preparing non-brazing seam thin compound layer titanium/steel composite board |
| CN101474632B (en) * | 2009-01-16 | 2010-08-25 | 辽宁新华阳伟业装备制造有限公司 | Production method of titanium steel composite board for calendering composite pot tool |
| CN102489506B (en) * | 2011-12-04 | 2014-03-19 | 西北有色金属研究院 | Preparation method of high-performance thin clad titanium/steel compound plates |
| CN104624644A (en) * | 2013-11-13 | 2015-05-20 | 青岛旭升封头有限公司 | Titanium steel composite board production method |
| CN104801867A (en) * | 2014-01-27 | 2015-07-29 | 上海却尘科技有限公司 | Manufacturing method for blank for producing steel-titanium composite board |
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