CN107695098A - A kind of titanium steel composite board and its milling method using IF steel as intermediate layer - Google Patents
A kind of titanium steel composite board and its milling method using IF steel as intermediate layer Download PDFInfo
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- CN107695098A CN107695098A CN201610864430.7A CN201610864430A CN107695098A CN 107695098 A CN107695098 A CN 107695098A CN 201610864430 A CN201610864430 A CN 201610864430A CN 107695098 A CN107695098 A CN 107695098A
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- steel
- titanium
- composite board
- intermediate layer
- milling method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Abstract
The invention belongs to titanium steel composite board to prepare manufacture field, is related to a kind of titanium steel composite board and its milling method using IF steel as intermediate layer.The technical scheme that the present invention solves technical problem comprises the following steps：A, assembly：Sheet material is subjected to assembly according to the order of steel plate/titanium plate/IF steel plates/steel plate, coats interleaving agent between steel plate and titanium plate, blank surrounding soldering, is vacuumized inside blank；The steel plate is that pipe line steel is a kind of；B, heat：Blank after vacuumizing is heated, heating-up temperature is 950~1000 DEG C, and the heat time is 120~300min；C, roll：Blank after heating removes steel plate by roughing, finish rolling, cooling；Wherein, finish rolling finishing temperature is 700~750 DEG C.Titanium steel composite board of the bond strength more than 230MPa has been prepared using pipe line steel one kind as raw material, by suitable rolling mill practice in the inventive method.
Description
Technical field
The invention belongs to titanium steel composite board to prepare manufacture field, be related to it is a kind of using IF steel as the titanium steel composite board in intermediate layer and
Its milling method.
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 and other metals (such as steel, copper, aluminium) are compounded in
Together, metallic composite is made, can both play the excellent properties of titanium, cost can be substantially reduced again, thus in recent years to class
Research like material is a lot, wherein titanium-steel composite material with its high intensity, excellent corrosion resisting property and significant economic benefit and
It is widely used in the industrial departments such as chemical industry, oil.
Because the metallicity of titanium is active, brittlement phase will be formed when being connected with most metals on interface.By titanium-iron Binary-phase
Figure understands that iron easily generates intermetallic compound with titanium, such as TiFe, TiFe2Deng, due to intermetallic compound have it is larger crisp
Property make combination interface brittle, easily cause to ftracture in the presence of stress, decline bond strength.Titanium is when temperature is 1155K
Undergo phase transition, exist in the form of body-centered cubic lattic β-Ti during high temperature, be the α-Ti of solid matter cubic lattice when temperature is relatively low.Iron exists
Solid solubility very little in α-Ti, at room temperature only 0.05%~0.1%, 0.5% is no more than under eutectoid temperature.Iron is β-Ti
Stable element, the solid solubility in β-Ti is than big in α-Ti, in eutectic temperature 1355K, solid solubility of the iron in β-Ti
Reach maximum 25%.After being dissolved iron in β-Ti, the reduction of its phase point temperature can be made, when iron content reaches in β-Ti
During certain value, β-Ti will be retained to room temperature, as iron content further increases in β-Ti, in cooling procedure, it will
Supersaturation of the iron in titanium is caused, and then intermetallic compound is formed more than its solid solubility in titanium.Reduce compound life
Into main method be to insert appropriate metal between titanium and steel to do intermediate layer, and then prevent the mutual expansion of the elements such as titanium, iron
Dissipate, it is common to insert the metallic plates such as copper, nickel, niobium, but introduce new chemical combination while the elements diffusions such as titanium, iron are suppressed
Thing.
The content of the invention
Titanium/iron compound for that can generate brittlement phase on existing titanium steel composite board preparation process median surface, the present invention carry
It is the method that intermediate layer prepares titanium steel composite board for a kind of IF steel.This method is using IF steel as intermediate layer, according to raw material steel grade
Difference, select special rolling mill practice.The inventive method does not introduce other elements, carbon can be hindered to be spread to titanium side, together
When form the moderate TiC layer of a layer thickness, will not both make composite plate performance degradation, the formation of TiFe phases can be suppressed again, finally
Make the titanium steel composite board that is prepared functional.
The technical problems to be solved by the invention are to provide a kind of rolling side using IF steel as the titanium steel composite board in intermediate layer
Method.This method comprises the following steps：
A, assembly：Sheet material is subjected to assembly according to the order of steel plate/titanium plate/IF steel plates/steel plate, coated between steel plate and titanium plate
Interleaving agent, blank surrounding soldering, vacuumize inside blank；The steel plate is that pipe line steel is a kind of；
B, heat：Blank after vacuumizing is heated, heating-up temperature be 950~1000 DEG C, the heat time be 120~
300min；
C, roll：Blank after heating removes steel plate by roughing, finish rolling, cooling；Wherein, finish rolling finishing temperature
For 700~750 DEG C.
Preferably, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, described interleaving agent is
At least one of ceramic material or oxide.
Further, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, described ceramic material
Expect at least one of aluminium oxide ceramics, beryllium oxide ceramics, zirconia ceramics, aluminium nitride ceramics or silicon carbide ceramics；And need
2 points below meeting, first：Resistance to 1000 DEG C of high temperature above；Second：Do not reacted at a temperature of each step with titanium.
Further, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, described oxide
It need to meet at following 2 points, first：Resistance to 1000 DEG C of high temperature above；Second：Do not reacted at a temperature of each step with titanium.
Further, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, described oxide
For TiO2Or SiO2At least one of.
Preferably, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, it is described to be evacuated to 1
×10-2Below Pa.
Preferably, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, the thickness of the IF steel plates
Spend for 1~2mm.
Preferably, it is above-mentioned using IF steel as in the milling method step A of the titanium steel composite board in intermediate layer, two blocks of steel plates
Size is just the same.
Preferably, it is above-mentioned using IF steel in the milling method step C of the titanium steel composite board in intermediate layer, to roll total deformation ＞
90%, preceding two pass deformation is 10~20%, and remaining pass deformation is 8~15%.
Preferably, it is above-mentioned using IF steel in the milling method step C of the titanium steel composite board in intermediate layer, to roll speed as 1.5
~5m/s.
Present invention also offers the titanium being prepared by the above-mentioned milling method using IF steel as the titanium steel composite board in intermediate layer
Steel composite board.
The titanium steel composite board template that the present invention is prepared is good, and surface no significant defect is formed, and combination interface is without titanium/iron
The generation of compound, with reference to working well, bond strength is more than 230MPa, far above similar titanium steel composite board in national standard
Bond strength.
Embodiment
A kind of milling method using IF steel as the titanium steel composite board in intermediate layer, comprise the following steps：
A, assembly：In order to prevent plate shape warpage in the operation of rolling, steel plate is also put in the other end, so as to form steel plate/titanium
The assembly of plate/IF steel/steel plate；And interleaving agent is used between steel plate and titanium plate, to take away this steel plate after rolling；Then base
Expect surrounding soldering, vacuumized inside blank；The steel plate is that pipe line steel is a kind of；
B, heat：Blank after vacuumizing is heated, heating-up temperature be 950~1000 DEG C, the heat time be 120~
300min；If heating-up temperature is higher than this temperature, elements diffusion is aggravated between interface, unfavorable to bond strength；If heating-up temperature is low
In this temperature, then rolling load weight, and it is bad to combine effect；
C, roll：Blank after heating removes another block of steel plate after roughing, finish rolling, air cooling；Wherein, finish rolling is whole
Temperature is rolled for 700~750 DEG C；If finishing temperature is higher than this temperature, waste heat may proceed to generate compound, if being less than this temperature,
Bond strength can reduce；It is too low when the too high then internal stress of cooling velocity is big, do not reach cooling effect.
For a better understanding of the present invention, the present invention is further illustrated with reference to embodiment.
Embodiment 1
Heated 1. the steel plate/titanium plate processed /IF steel/steel plate combination blank is put into heating furnace, heating-up temperature 980
DEG C, it is incubated 260min；
2. taking out the combination blank for completing heating technique, rolled, first passage deformation 15%, by 12 passes,
Accumulative deflection 92%, mill speed 1.5-4.5m/s, 730 DEG C of finishing temperature；
3. after the completion of rolling, room temperature is air-cooled to, cuts the edge of sheet material after rolling, top steel plate is with titanium plate due to interleaving agent
Effect and natural separation, bottom obtain titanium steel composite board.
The test of intensity, interface bond strength 245MPa are combined to the titanium steel composite board that the present embodiment obtains.With reference to
Strength detection method performs according to shearing test method in GB/T 6396-2008.
Embodiment 2
Heated 1. the steel plate/titanium plate processed /IF steel/steel plate combination blank is put into heating furnace, heating-up temperature 950
DEG C, it is incubated 360min；
2. taking out the combination blank for completing heating technique, rolled, preceding two passages deformation 15% or so, by 13 passages
Rolling, add up deflection 93%, 720 DEG C of finishing temperature, mill speed 1.5-5m/s.
3. after the completion of rolling, room temperature is air-cooled to, cuts the edge of sheet material after rolling, top steel plate is with titanium plate due to interleaving agent
Effect and natural separation, bottom obtain titanium steel composite board.
The test of intensity, interface bond strength 250MPa are combined to the titanium steel composite board that the present embodiment obtains.Knot
Strength detection method is closed to perform according to shearing test method in GB/T 6396-2008.
Comparative example 1
1050 DEG C are heated to 1. steel plate/titanium plate/IF steel plates/steel plate combination blank is put into heating furnace, is incubated 360min；
2. taking out the combination blank for completing heating technique, rolled, passage deformation 15% or so, rolled by 11 passages
System, add up deflection 89%, 720 DEG C of finishing temperature, air cooling.
3. after the completion of rolling, cut the edge of sheet material after rolling, top steel plate and titanium plate due to interleaving agent effect and from
So separation, bottom obtains titanium steel composite board.
4. obtained titanium steel composite board to be combined to the test of intensity, it is 180MPa to obtain interface bond strength.Wherein,
Bond strength assay method performs according to shearing test method in GB/T 6396-2008.
Comparative example 2
1. steel plate/titanium plate/steel plate combination the blank processed is put into heating furnace and heated, 980 DEG C of heating-up temperature, insulation
360min；
2. taking out the combination blank for completing heating technique, rolled, preceding two passages deformation 15% or so, by 12 passages
Rolling, add up deflection 91%, 720 DEG C of finishing temperature, mill speed 1.5-5m/s.
3. after the completion of rolling, room temperature is air-cooled to, cuts the edge of sheet material after rolling, top steel plate is with titanium plate due to interleaving agent
Effect and natural separation, bottom obtain titanium steel composite board.
The test of intensity, interface bond strength 190MPa are combined to the titanium steel composite board that the present embodiment obtains.Knot
Strength detection method is closed to perform according to shearing test method in GB/T 6396-2008.
Claims (10)
1. using IF steel as the milling method of the titanium steel composite board in intermediate layer, it is characterised in that：Comprise the following steps：
A, assembly：Sheet material is subjected to assembly according to the order of steel plate/titanium plate/IF steel plates/steel plate, coats and isolates between steel plate and titanium plate
Agent, blank surrounding soldering, vacuumize inside blank；The steel plate is that pipe line steel is a kind of；
B, heat：Blank after vacuumizing is heated, heating-up temperature be 950~1000 DEG C, the heat time be 120~
300min；
C, roll：Blank after heating removes steel plate by roughing, finish rolling, cooling；Wherein, finish rolling finishing temperature 700
~750 DEG C.
2. the milling method according to claim 1 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：Step
In A, described interleaving agent is at least one of ceramic material or oxide.
3. the milling method according to claim 2 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：It is described
Ceramic material be aluminium oxide ceramics, beryllium oxide ceramics, zirconia ceramics, aluminium nitride ceramics or silicon carbide ceramics at least one
Kind；And need to meet at following 2 points, first：Resistance to 1000 DEG C of high temperature above；Second：Do not reacted at a temperature of each step with titanium.
4. the milling method according to claim 2 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：It is described
Oxide need to meet at following 2 points, first：Resistance to 1000 DEG C of high temperature above；Second：Do not reacted at a temperature of each step with titanium.
5. the milling method according to claim 4 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：It is described
Oxide be TiO2Or SiO2At least one of.
6. the milling method according to claim 1 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：Step
It is described to be evacuated to 1 × 10 in A-2Below Pa.
7. the milling method according to claim 1 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：Step
In A, the thickness of the IF steel plates is 1~2mm.
8. the milling method according to claim 1 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：Step
In C, rolling total deformation ＞ 90%, preceding two pass deformation is 10~20%, and remaining pass deformation is 8~15%.
9. the milling method according to claim 1 using IF steel as the titanium steel composite board in intermediate layer, it is characterised in that：Step
In C, mill speed is 1.5~5m/s.
10. it is prepared as the milling method using IF steel as the titanium steel composite board in intermediate layer described in any one of claim 1~9
Titanium steel composite board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610864430.7A CN107695098A (en) | 2016-09-29 | 2016-09-29 | A kind of titanium steel composite board and its milling method using IF steel as intermediate layer |
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| CN201610864430.7A CN107695098A (en) | 2016-09-29 | 2016-09-29 | A kind of titanium steel composite board and its milling method using IF steel as intermediate layer |
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Citations (8)
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|---|---|---|---|---|
| JPS6188986A (en) * | 1984-10-05 | 1986-05-07 | Nippon Stainless Steel Co Ltd | Manufacture of titanium clad material |
| JPH06234083A (en) * | 1993-02-09 | 1994-08-23 | Yamaki Kogyo Kk | Titanium clad stainless steel plate and its production |
| CN104826867A (en) * | 2015-05-15 | 2015-08-12 | 攀钢集团研究院有限公司 | Method for rolling nickel interlayer titanium steel composite board through large rolling reduction |
| CN104874635A (en) * | 2015-06-16 | 2015-09-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method of titanium-steel composite plate of high bonding strength with copper as middle layer |
| CN104874605A (en) * | 2015-06-16 | 2015-09-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for rolling titanium clad steel plate in atmospheric environment |
| CN104907332A (en) * | 2015-05-15 | 2015-09-16 | 攀钢集团研究院有限公司 | Method for producing titanium-steel composite plate taking nickel as interlayer |
| CN104942000A (en) * | 2015-05-15 | 2015-09-30 | 攀钢集团研究院有限公司 | Preparation method for high-bonding-strength titanium-steel composite plate |
| CN104998903A (en) * | 2015-06-16 | 2015-10-28 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method for titanium-steel composite plate with copper as middle layer |
-
2016
- 2016-09-29 CN CN201610864430.7A patent/CN107695098A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6188986A (en) * | 1984-10-05 | 1986-05-07 | Nippon Stainless Steel Co Ltd | Manufacture of titanium clad material |
| JPH06234083A (en) * | 1993-02-09 | 1994-08-23 | Yamaki Kogyo Kk | Titanium clad stainless steel plate and its production |
| CN104826867A (en) * | 2015-05-15 | 2015-08-12 | 攀钢集团研究院有限公司 | Method for rolling nickel interlayer titanium steel composite board through large rolling reduction |
| CN104907332A (en) * | 2015-05-15 | 2015-09-16 | 攀钢集团研究院有限公司 | Method for producing titanium-steel composite plate taking nickel as interlayer |
| CN104942000A (en) * | 2015-05-15 | 2015-09-30 | 攀钢集团研究院有限公司 | Preparation method for high-bonding-strength titanium-steel composite plate |
| CN104874635A (en) * | 2015-06-16 | 2015-09-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Preparation method of titanium-steel composite plate of high bonding strength with copper as middle layer |
| CN104874605A (en) * | 2015-06-16 | 2015-09-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for rolling titanium clad steel plate in atmospheric environment |
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| 王敬忠，等: "轧制钛-钢复合板工艺综述", 《材料导报》 * |
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Application publication date: 20180216 |