CN106391707A - Titanium-steel clad plate using IF steel as middle layer and preparation method of titanium-steel clad plate - Google Patents
Titanium-steel clad plate using IF steel as middle layer and preparation method of titanium-steel clad plate Download PDFInfo
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- CN106391707A CN106391707A CN201610863537.XA CN201610863537A CN106391707A CN 106391707 A CN106391707 A CN 106391707A CN 201610863537 A CN201610863537 A CN 201610863537A CN 106391707 A CN106391707 A CN 106391707A
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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
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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
- B21B2001/386—Plates
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Abstract
The invention belongs to the field of preparation and processing of titanium-steel clad plates, and relates to a titanium-steel clad plate using IF steel as a middle layer and a preparation method of the titanium-steel clad plate. According to the technical scheme for solving technical problems, the preparation method comprises the following steps: A, assembling: assembling plates according to the sequence of a steel plate/a titanium plate/an IF steel plate/a steel plate, coating a part between the steel plate and the titanium plate by using an isolating agent, seaming the periphery of a blank, and vacuumizing the inside of the blank, wherein the steel plate is plain carbon steel; B, heating: heating the vacuumized blank for 120-180 minutes at the temperature of 870-910 DEG C; and C, rolling: roughly rolling, precisely rolling and cooling the heated blank, and taking down the steel plate to obtain the final product, wherein precision rolling and end rolling temperature is 720-800 DEG C. In the method, the plain carbon steel is used as a raw material, and the titanium-steel clad plate of which the bonding strength is greater than 300 MPa is prepared by a suitable rolling process.
Description
Technical field
The invention belongs to titanium steel composite board prepares manufacture field, be related to a kind of titanium steel composite board with IF steel as intermediate layer and
Its preparation 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 popularization and the application of titanium.Titanium is compounded in other metals (as steel, copper, aluminium etc.)
Together, make metallic composite, both can play the excellent properties of titanium, cost can be substantially reduced again, thus in recent years to class
A lot of like the research of material, 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.
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, iron and titanium easily generate intermetallic compound, such as TiFe, TiFe2Deng, due to intermetallic compound have larger crisp
Property make combination interface brittle, be easily caused cracking in the presence of stress, so that bond strength is declined.Titanium is when temperature is for 1155K
Undergo phase transition, existed with body-centered cubic lattic β-Ti form 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%, it is less than 0.5% under eutectoid temperature.Iron is β-Ti
Stable element, the solid solubility ratio in β-Ti is big in α-Ti, in eutectic temperature 1355K, solid solubility in β-Ti for the iron
Reach maximum 25%.After solid solution iron in β-Ti, its phase point temperature can be made to reduce, when in β-Ti, iron content reaches
During certain value, β-Ti will be retained to room temperature, with the increasing further of iron content in β-Ti, in cooling procedure, it will
Cause supersaturation in titanium for the iron, and then exceed its solid solubility in titanium and form intermetallic compound.Reduce compound life
The main method becoming is to insert suitable metal between titanium and steel to do intermediate layer, and then stops the mutual expansion of the elements such as titanium, iron
Dissipate, common for metallic plates such as insertion copper, nickel, niobiums, but introduce new chemical combination while suppressing the Elements Diffusion such as titanium, iron
Thing.
Content of the invention
For the titanium/iron compound that can generate brittlement phase on existing titanium steel composite board preparation process median surface, the present invention carries
It is the method that titanium steel composite board is prepared in intermediate layer for a kind of IF steel.The method with 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, and carbon can be hindered to spread to titanium side, with
When form the moderate TiC layer of a layer thickness, both will not make composite plate performance degradation, the formation of TiFe phase can have been suppressed, finally again
Make the titanium steel composite board preparing functional.
The technical problem to be solved is to provide a kind of preparation side of the titanium steel composite board with IF steel as intermediate layer
Method.The method comprises the following steps：
A, assembly：Sheet material is carried out assembly according to the order of steel plate/titanium plate/IF steel plate/steel plate, coats between steel plate and titanium plate
Interleaving agent, blank surrounding seam, vacuumize inside blank；Described steel plate is straight carbon steel；
B, heating：Blank after vacuumizing is heated, heating-up temperature be 870～910 DEG C, the heat time be 120～
180min；
C, rolling：Blank after heating, through roughing, finish rolling, cooling, takes off steel plate；Wherein, finish rolling finishing temperature
For 720～800 DEG C.
Preferably, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, described interleaving agent is
At least one of ceramic material or oxide.
Further, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, described ceramic material
Expect at least one in aluminium oxide ceramics, beryllium oxide ceramics, zirconia ceramics, aluminium nitride ceramics or silicon carbide ceramics；And need
Meet at following 2 points, first：Resistance to 1000 DEG C of high temperature above；Second：Do not react with titanium at a temperature of each step.
Further, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, described oxide
Need to meet at following 2 points, first：Resistance to 1000 DEG C of high temperature above；Second：Do not react with titanium at a temperature of each step.
Further, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, described oxide
For TiO2Or SiO2At least one of.
Preferably, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, described it is evacuated to 1
×10-2Below Pa.
Preferably, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, the thickness of described IF steel plate
Spend for 0.5～1mm.
Preferably, in preparation method step A of the above-mentioned titanium steel composite board with IF steel as intermediate layer, the size of described steel plate
Just the same.
Preferably, in preparation method step C of the above-mentioned titanium steel composite board with IF steel as intermediate layer, roll total deformation ＞
80%, single pass heavy deformation is 5～20%.
Preferably, in preparation method step C of the above-mentioned titanium steel composite board with IF steel as intermediate layer, mill speed is 0.1
～3m/s.
Present invention also offers the titanium being prepared by the preparation method of the above-mentioned titanium steel composite board with IF steel as intermediate layer
Steel composite board.
The titanium steel composite board that the present invention prepares, template is good, and surface no significant defect is formed, combination interface no titanium/
The generation of iron compound, in conjunction with respond well, bond strength 300MPa about, far above titanium steel composite board similar in national standard
Bond strength.
Specific embodiment
A kind of preparation method of the titanium steel composite board with IF steel as intermediate layer, comprises the following steps：
A, assembly：In order to prevent plate shape warpage in the operation of rolling, also put steel plate in the other end, thus forming steel plate/titanium
The assembly of plate/IF steel/steel plate；And interleaving agent to be brushed between steel plate and titanium plate, to take off this steel plate after rolling；Then
Blank surrounding seam, vacuumizes inside blank；Described steel plate is straight carbon steel；
B, heating：Blank after vacuumizing is heated, heating-up temperature be 870～910 DEG C, the heat time be 120～
180min；If heating-up temperature is higher than this temperature, between interface, Elements Diffusion aggravation, 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, rolling：Blank after heating through roughing, finish rolling, be air cooled to room temperature after take off another block of steel plate；Wherein,
Finish rolling finishing temperature is 720～800 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；When the too high then internal stress of cooling velocity is big, too low, do not reach cooling effect.
For a better understanding of the present invention, further illustrate the present invention with reference to embodiment.
Embodiment 1
1. steel plate/the titanium plate processing/IF steel/steel plate combination blank is put into heating, heating-up temperature 900 in heating furnace
DEG C, it is incubated 160min；
2. take out the combination blank completing to heat technique, rolled, passage deformation 15% about, roll through 12 passages
System, accumulative deflection 89%, mill speed 1.2m/s, 780 DEG C of finishing temperature；
3. after the completion of rolling, it is air cooled to room temperature, cut the edge of sheet material after rolling, top steel plate and titanium plate are due to interleaving agent
Effect and natural separation, bottom obtains titanium steel composite board.
The titanium steel composite board that the present embodiment obtains is combined with the test of intensity, interface bond strength 325MPa.In conjunction with
Strength detection method executes according to shearing test method in GB/T 6396-2008.
Embodiment 2
1. steel plate/the titanium plate processing/IF steel/steel plate combination blank is put into heating, heating-up temperature 910 in heating furnace
DEG C, it is incubated 180min；
2. take out the combination blank completing to heat technique, rolled, every time deformation 18% about, roll through 10 passages
System, accumulative deflection 92%, 765 DEG C of finishing temperature.
3. after the completion of rolling, it is air cooled to room temperature, cut the edge of sheet material after rolling, top steel plate and titanium plate are due to interleaving agent
Effect and natural separation, bottom obtains titanium steel composite board.
The titanium steel composite board that the present embodiment obtains is combined with the test of intensity, interface bond strength is 290MPa.Knot
Close strength detection method to execute according to shearing test method in GB/T 6396-2008.
Comparative example 1
1. steel plate/titanium plate/IF steel plate/steel plate combination blank is put into heating in heating furnace, 850 DEG C of heating-up temperature, insulation
240min；
2. take out the combination blank completing to heat technique, rolled, passage deformation 10% about, roll through 15 passages
System, accumulative deflection 78%, 700 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 are due to the effect of interleaving agent certainly
So separate, bottom obtains titanium steel composite board.
4. the titanium steel composite board obtaining is combined the test of intensity, obtaining interface bond strength is 200MPa.Wherein,
Bond strength assay method executes according to shearing test method in GB/T 6396-2008.
Comparative example 2
1. steel plate/titanium plate/steel plate combination the blank processing is put into heating in heating furnace, 900 DEG C of heating-up temperature, insulation
180min；
2. take out the combination blank completing to heat technique, rolled, every time deformation 15% about, roll through 10 passages
System, accumulative deflection 89%, 765 DEG C of finishing temperature.
3. after the completion of rolling, it is air cooled to room temperature, cut the edge of sheet material after rolling, top steel plate and titanium plate are due to interleaving agent
Effect and natural separation, bottom obtains titanium steel composite board.
The titanium steel composite board that the present embodiment obtains is combined with the test of intensity, interface bond strength is 210MPa.Knot
Close strength detection method to execute according to shearing test method in GB/T 6396-2008.
Claims (10)
1. the titanium steel composite board with IF steel as intermediate layer preparation method it is characterised in that：Comprise the following steps：
A, assembly：Sheet material is carried out assembly according to the order of steel plate/titanium plate/IF steel plate/steel plate, between steel plate and titanium plate, coats isolation
Agent, blank surrounding seam, vacuumize inside blank；Described steel plate is straight carbon steel；
B, heating：Blank after vacuumizing is heated, heating-up temperature be 870～910 DEG C, the heat time be 120～
180min；
C, rolling：Blank after heating, through roughing, finish rolling, cooling, takes off steel plate；Wherein, finish rolling finishing temperature is 720
～800 DEG C.
2. the titanium steel composite board with IF steel as intermediate layer according to claim 1 preparation method it is characterised in that：Step
In A, described interleaving agent is at least one of ceramic material or oxide.
3. the titanium steel composite board with IF steel as intermediate layer according to claim 2 preparation method it is characterised in that：Described
Ceramic material be aluminium oxide ceramics, beryllium oxide ceramics, zirconia ceramics, in 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 react with titanium at a temperature of each step.
4. the titanium steel composite board with IF steel as intermediate layer according to claim 2 preparation method it is characterised in that：Described
Oxide need to meet at following 2 points, first：Resistance to 1000 DEG C of high temperature above；Second：Do not react with titanium at a temperature of each step.
5. the preparation method according to the claim titanium steel composite board with IF steel as intermediate layer according to claim 2, its
It is characterised by：Described oxide is TiO2Or SiO2At least one of.
6. the titanium steel composite board with IF steel as intermediate layer according to claim 1 preparation method it is characterised in that：Step
In A, described it is evacuated to 1 × 10-2Below Pa.
7. the titanium steel composite board with IF steel as intermediate layer according to claim 1 preparation method it is characterised in that：Step
In A, the thickness of described IF steel plate is 0.5～1mm.
8. the titanium steel composite board with IF steel as intermediate layer according to claim 1 preparation method it is characterised in that：Step
In C, roll total deformation ＞ 80%, single pass heavy deformation is 5～20%.
9. the titanium steel composite board with IF steel as intermediate layer according to claim 1 preparation method it is characterised in that：Step
In C, mill speed is 0.1～3m/s.
10. the preparation method of the titanium steel composite board with IF steel as intermediate layer described in any one of claim 1～9 prepares
Titanium steel composite board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610863537.XA CN106391707A (en) | 2016-09-29 | 2016-09-29 | Titanium-steel clad plate using IF steel as middle layer and preparation method of titanium-steel clad plate |
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| CN201610863537.XA CN106391707A (en) | 2016-09-29 | 2016-09-29 | Titanium-steel clad plate using IF steel as middle layer and preparation method of titanium-steel clad plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693075A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | Using IF steel as two-sided titanium steel composite board of transition zone high-performance and preparation method thereof |
| CN109695000A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | Using IF steel as the two-sided titanium steel composite board of transition zone and its high temperature preparation method |
| CN110560496A (en) * | 2019-10-15 | 2019-12-13 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of titanium steel composite board |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693075A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | Using IF steel as two-sided titanium steel composite board of transition zone high-performance and preparation method thereof |
| CN109695000A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | Using IF steel as the two-sided titanium steel composite board of transition zone and its high temperature preparation method |
| CN110560496A (en) * | 2019-10-15 | 2019-12-13 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of titanium steel composite board |
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