CN107030111B - A kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate - Google Patents
A kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate Download PDFInfo
- Publication number
- CN107030111B CN107030111B CN201710248852.6A CN201710248852A CN107030111B CN 107030111 B CN107030111 B CN 107030111B CN 201710248852 A CN201710248852 A CN 201710248852A CN 107030111 B CN107030111 B CN 107030111B
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- slab
- group
- equal
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 343
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000005098 hot rolling Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000005476 soldering Methods 0.000 claims abstract description 35
- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 35
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000000227 grinding Methods 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 6
- 238000007788 roughening Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 307
- 239000013078 crystal Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to metallurgical technology field more particularly to a kind of preparation methods of equal thickness Ultra-fine Grained TC4 titanium alloy plate.S1, slab after mill-annealed is taken；S2, slab is grouped；S3, the interface roughnessization of slab is handled and is cleaned, then to the operation of every group of execution following steps S4；S4, it is stacked to plate layer, coats inoxidzable coating by a side soldering of plate layer and in other sides, or by whole edge vacuum soldering and sealing of plate layer, using hot rolling technology pack rolling soldering and be finally hot-rolled down to plate thickness degree and be equal to slab original thickness, it is then air-cooled；If S5, plate layer need to be grouped again, using plate layer as new slab return step S2, all plate layers are otherwise formed into one group of slab return step S3, until all slab pack rolling are at a plate；S6, plate is heat-treated, is then cooled down.Strain cracking and the incomplete disadvantage of soldering during this method can overcome hot rolling deformation amount insufficient and pack rolling, prepare the Ultra-fine Grained plate of equal thickness.
Description
Technical field
The present invention relates to metallurgical technology field more particularly to a kind of preparation sides of equal thickness Ultra-fine Grained TC4 titanium alloy plate
Method.
Background technique
TC4 (Ti-6Al-4V) titanium alloy has low-density, excellent elevated temperature strength and biocompatibility, corrosion resistance
Etc. comprehensive performances, be widely used in the numerous areas such as aerospace, automobile, medical treatment.The preparation of titanium alloy ultrafine-grained (UFG) microstructure can
To significantly improve mechanical property, biocompatibility and superplasticforming ability, used in high-performance medical surgical instrument and aviation
Complicated irregular part forming aspect, which has, to be widely applied, and ultrafine-grained's preparation has become the pass for expanding titanium alloy application field
Key.Wherein, the crystallite dimension of Ultra-fine Grained is located in the range of 0.1-1 μm.
For the crystal grain refinement of titanium alloy, the method for generalling use large plastometric set both at home and abroad, as far as possible raising alloy exists
The machining deformation amount of two-phase section, so that plate tissue is sufficiently broken and then obtains isometric fine grained texture.However, the deformation of titanium alloy
Processing technology window is narrow, and there are still deformation limits for the above method, can not effectively realize crystal grain refinement.Meanwhile becoming using big
The thickness specification of plate extremely reduces when shape amount method, is unable to satisfy the needs of design of material and structure and specification.On this basis,
Severe plastic deformation can be carried out while keeping metal material size using accumulation pack rolling method, repeat to roll by multi-pass
System can effectively refine crystal grain and improve material property, have can continuous production thin plate class super fine crystal material ability.Related skill
Art has been widely used for the fields such as aluminium alloy, copper alloy, steel and composite material.However, carrying out titanium alloy using accumulation pack rolling
The preparation of ultrafine-grained (UFG) microstructure is there are many difficult points and studies less.
TC4 titanium alloy the features such as there are resistance of deformation high and low elasticity modulus and oxidizable high temperature, in pack rolling soldering process
In be easy to appear phenomena such as deflection is insufficient, strain cracking and soldering are incomplete, lead to board quality and mechanical properties decrease.Together
When, the vigorous oxidation effect of high-temperature heating process seriously reduces interface bond strength, Roll-bonding and its to titanium alloy
The influence at soldering interface is unclear, and the control method of fine grained texture not yet obtains.Therefore, a kind of equal thickness Ultra-fine Grained is needed
The preparation method of TC4 titanium alloy plate, can prepare the TC4 titanium alloy plate of equal thickness, Ultra-fine Grained, and overcomes and be easy
Existing deflection is insufficient, strain cracking and the incomplete disadvantage of soldering, the TC4 titanium alloy plate prepared have high-intensitive and high boundary
Face bond strength.
Summary of the invention
(1) technical problems to be solved
The purpose of the present invention is to provide a kind of preparation methods of equal thickness Ultra-fine Grained TC4 titanium alloy plate, can overcome
The problem of being difficult to realize fine grained texture because of deflection deficiency, and original thickness size is kept, while this method solves pack rolling
Strain cracking and the incomplete disadvantage of soldering in journey, the TC4 titanium alloy plate prepared have high-intensitive and high interface cohesion strong
Degree.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
The present invention provides a kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate, includes the following steps:
S1, the TC4 titanium alloy slab after size is identical and mill-annealed for choosing preset quantity, TC4 titanium alloy slab
Thickness is located in the range of 1-4mm, and crystallite dimension is located in the range of 6-10 μm, and preset quantity is more than or equal to 4 and is integer；
S2, by all current TC4 titanium alloy slab average packets, the quantity of the TC4 titanium alloy slab in every group is greater than
Equal to 2 and it is less than or equal to 4；
S3, the interface of all current TC4 titanium alloy slabs is roughened and is cleaned, then respectively to every group
The operation of TC4 titanium alloy slab execution following steps S4；
S4, TC4 titanium alloy sheet layer is formed by the alignment of one group of TC4 titanium alloy slab is stacked, by one of TC4 titanium alloy sheet layer
Side soldering simultaneously coats inoxidzable coating in other sides, or by whole edge vacuum soldering and sealing of TC4 titanium alloy sheet layer, then
Multistage hot deformation is carried out to TC4 titanium alloy sheet layer, until the thickness of TC4 titanium alloy sheet layer is equal to the original of TC4 titanium alloy slab
Stop hot rolling when thickness, TC4 titanium alloy sheet layer is cooled down after hot rolling；
S5, after each group TC4 titanium alloy slab has been performed both by step S4, if the quantity of TC4 titanium alloy sheet layer after cooling
It, then will be after all coolings greater than the quantity of the TC4 titanium alloy slab in every group of TC4 titanium alloy slab in the step S2 executed before
TC4 titanium alloy sheet layer execute as new TC4 titanium alloy slab return step S2 and downwards, if TC4 titanium alloy after cooling
The quantity of TC4 titanium alloy slab in the step S2 that the quantity of plate layer executes before being less than or equal in every group of TC4 titanium alloy slab,
Then returned all TC4 titanium alloy sheet layers after cooling as one group of TC4 titanium alloy slab of current TC4 titanium alloy slab and formation
It returns step S3 and executes downwards, until all TC4 titanium alloy slab pack rolling form a TC4 titanium alloy plate and are together
Only；
S6, TC4 titanium alloy plate is heat-treated, is then cooled down.
According to the present invention, in step sl, preset quantity is more than or equal to 16, and is equal to 2nOr 3n, wherein n is more than or equal to 2
It and is integer.
According to the present invention, in step s 2, when step S2 is performed a plurality of times, after grouping in every group TC4 titanium alloy slab number
It measures constant.
According to the present invention, in step s3, roughening treatment is grinding process, and it is clear to carry out surface using acetone or alcohol
It washes.
According to the present invention, in step s 4, first pass deformation is 50%, and mill speed is located at the range of 0.3-0.5m/s
It is interior.
According to the present invention, in step s 4, TC4 titanium alloy sheet layer is heated to 700-750 DEG C, heat preservation 15- before hot rolling
Then 30min carries out first passage hot rolling.
According to the present invention, in step s 5, it is coated when by a side soldering of TC4 titanium alloy sheet layer and in other sides
When inoxidzable coating, in hot rolling, the side of soldering is introduced into roll.
According to the present invention, in step s 6, the temperature of heat treatment is located in the range of 600-700 DEG C, the time of heat treatment
In the range of 120-180min.
According to the present invention, in step s 6, the crystallite dimension of TC4 titanium alloy plate after cooling is located at 0.4-1 μm of model
In enclosing.
(3) beneficial effect
The beneficial effects of the present invention are:
In the preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate of the invention, using after mill-annealed in step S1
TC4 titanium alloy slab, be conducive to subsequent carry out severe plastic deformation, and then be conducive to crystal grain refinement；To TC4 titanium in step S3
The interface of alloy slab is roughened and cleans, and is conducive to eliminate oxide skin and greasy dirt, obtains fresh coarse table
Face, and then can promote subsequent pack rolling in the process under the collective effect of roll-force and temperature, overlapping interface surface is spread,
And then realize higher interface bond strength；For titanium alloy in hot stage there are violent interface oxidation, oxide layer can hinder original
Son spreads and then seriously reduces the Weld strength at pack rolling interface, causes soldering incomplete, in step s 4, by TC4 titanium alloy sheet
One side soldering of layer simultaneously coats inoxidzable coating in other sides or seals whole edge vacuums of TC4 titanium alloy sheet layer
Weldering, the method are intended to eliminate the interface oxidation before hot rolling in heating process, interface bond strength are improved, and at the same time soldering boundary
It can guarantee that slab does not separate during the rolling process；The slab of multilayer is overlapped into hot rolling in step S4, both guarantees interface
Pack rolling Weld strength, while making in mill pack that there are a large amount of deformation and energy storages, so that in follow-up heat treatment process
Crystal grain refinement is sufficiently carried out, ultrafine-grained (UFG) microstructure is obtained；In the present invention, by multiple TC4 titanium alloy slabs by being grouped at least once
Hot rolling is finally rolled into a TC4 titanium alloy plate again, and pack rolling soldering process circulation carries out, and advantageously ensures that TC4 titanium alloy sheet
Material obtains biggish plastic deformation, realizes crystal grain refinement；TC4 titanium alloy plate is heat-treated in step S6, is effectively controlled
System recrystallization and grain growth process, may finally obtain uniform, tiny microstructure.To sum up, the present invention is folded by accumulation
It rolls the TC4 titanium alloy slab high to resistance of deformation, high temperature is oxidizable and carries out large plastometric set and subsequent heat treatment step, gram
It has taken and has been easy to appear insufficient deflection, strain cracking and the incomplete disadvantage of soldering, prepared the TC4 titanium alloy sheet of Ultra-fine Grained
Material, and the TC4 titanium alloy plate has a high-intensitive and high interfacial bonding strength, and with original TC4 titanium alloy slab equal thickness.
Detailed description of the invention
Fig. 1 is the system of the equal thickness Ultra-fine Grained TC4 titanium alloy plate in the embodiment one that following specific embodiment provides
The flow diagram of Preparation Method；
Fig. 2 is the system of the equal thickness Ultra-fine Grained TC4 titanium alloy plate in the embodiment one that following specific embodiment provides
The pack rolling interface for the TC4 titanium alloy plate that Preparation Method is prepared and Deformation structure's schematic diagram, wherein white arrow is directed toward TC4 titanium
The pack rolling interface of sheet alloy；
Fig. 3 is ultrafine-grained's photo of the TC4 titanium alloy plate in Fig. 1.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment one
A kind of preparation method of Ultra-fine Grained TC4 titanium alloy plate is provided in the present embodiment, which includes as follows
Step:
S1, choose 16 sizes identical (length, the width and thickness of i.e. each TC4 titanium alloy slab are identical) and
TC4 titanium alloy slab after mill-annealed, TC4 titanium alloy slab with a thickness of 1mm, crystallite dimension is located at 6-10 μm of range
It is interior.
S2, all current TC4 titanium alloy slabs are equally divided into 4 groups, the quantity of the TC4 titanium alloy slab in every group is
4.
S3, to the interfaces of all current TC4 titanium alloy slabs (" interface " be TC4 titanium alloy slab in the next steps
The surface to be bonded with other slabs) it carries out grinding process and surface clean is carried out using alcohol or acetone.Grinding process and clear
It after washing, is dried, then executes the operation of following steps S4 to every group of TC4 titanium alloy slab respectively, i.e., to 4 groups of TC4
Titanium alloy sheet carries out a step S4 respectively；
S4, TC4 titanium alloy sheet layer is formed by the alignment of one group of TC4 titanium alloy slab is stacked, by one of TC4 titanium alloy sheet layer
Side soldering simultaneously coats inoxidzable coating (material of inoxidzable coating is calcium oxide, magnesia etc.) in other sides, later will
TC4 titanium alloy sheet layer is heated to 700 DEG C, heat preservation 20min in heating furnace, then carries out multi-pass heat to TC4 titanium alloy sheet layer
It rolls, until the thickness of TC4 titanium alloy sheet layer stops hot rolling when being equal to original thickness (i.e. the 1mm) of TC4 titanium alloy slab, in this reality
It applies in example, reaches equal thickness requirement by hot rolling twice, TC4 titanium alloy sheet layer is air-cooled to room temperature after hot rolling, wherein first road
Secondary deflection is 50%, and mill speed (mill speed of each passage) is in the range of 0.5m/s, and per pass hot rolling when,
The side of soldering is introduced into roll.
S5, after 4 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet layer of 4 one, at this time
The quantity of TC4 titanium alloy sheet layer is equal to the quantity of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab, without pair
TC4 titanium alloy sheet layer after cooling needs to be grouped again, directly using 4 TC4 titanium alloy sheet layers after cooling as current TC4
Titanium alloy slab simultaneously forms one group of TC4 titanium alloy slab return step S3 and executes downwards, after execution, all TC4 titanium alloy sheets
Base pack rolling forms a TC4 titanium alloy plate together.It can be seen that 16 TC4 titanium alloy slabs are in the present embodiment with 4
A is one group of carry out hot rolling, repeats the TC4 titanium alloy plate of one entirety of formation after 2 step S3-S4.Final total change
Shape amount is 94%.
S6, the step S5 TC4 titanium alloy plate formed is heat-treated, the temperature of heat treatment is 600 DEG C, heat treatment
Time is 180min.Then it is cold to carry out furnace.
The final Ultra-fine Grained TC4 titanium alloy plate for obtaining crystallite dimension and being located in the range of 0.5-1 μm.
In above-mentioned steps, using the TC4 titanium alloy slab after mill-annealed in step S1, be conducive to subsequent carry out acutely
Plastic deformation, and then be conducive to crystal grain refinement；The interface of TC4 titanium alloy slab is roughened and clearly in step S3
It washes, is conducive to eliminate oxide skin and greasy dirt, obtains fresh coarse surface, and then can promote rolling during subsequent pack rolling
Under the collective effect of power and temperature processed, overlapping interface surface is spread, and then realizes higher interface bond strength；Titanium alloy
In hot stage there are violent interface oxidation, the soldering that oxide layer can hinder atom diffusion seriously to reduce pack rolling interface in turn is strong
Degree, causes soldering incomplete, in step s 4, coats by a side soldering of TC4 titanium alloy sheet layer and in other sides anti-
Oxide covering, it is intended to eliminate the interface oxidation before hot rolling in heating process, interface bond strength be improved, and at the same time soldering boundary
It can guarantee that slab does not separate during the rolling process, not stratified cracking；The slab of multilayer is overlapped into hot rolling in step S4, both
Guarantee the pack rolling Weld strength at interface, while making in mill pack that there are a large amount of deformation and energy storages, so that in subsequent thermal
Crystal grain refinement is sufficiently carried out in treatment process, obtains ultrafine-grained (UFG) microstructure, in addition, improving production efficiency, while making deviation center
The overlapping interface of position obtains biggish roll-force and improves interface bond strength；In above-described embodiment, by 16 TC4 titanium alloy sheets
Base is finally rolled into a TC4 titanium alloy plate by primary grouping hot rolling again, is carried out, is had by the circulation of pack rolling soldering process
Conducive to the biggish plastic deformation of TC4 titanium alloy plate acquisition is guaranteed, crystal grain refinement is realized；To TC4 titanium alloy plate in step S6
It is heat-treated, effective control recrystallization and grain growth process may finally obtain uniform, tiny microstructure.
To sum up, referring to Fig. 2 and Fig. 3, above-mentioned preparation method, by the way that accumulation pack rolling is high to resistance of deformation, high temperature is oxidizable
TC4 titanium alloy slab carries out large plastometric set and subsequent heat treatment step, overcomes and is easy to appear deflection deficiency, deformation
Cracking and the incomplete disadvantage of soldering, have prepared the TC4 titanium alloy plate of Ultra-fine Grained, and combination is evident that from Fig. 2
It is good, and the TC4 titanium alloy plate has a high-intensitive and high interfacial bonding strength, and with original TC4 titanium alloy slab equal thickness.
In addition, also helping the raising of titanium alloy biocompatibility and low temperature superplasticity performance.Especially in titanium medical instrument and
Complicated irregular part preparation aspect has specific application value.
Embodiment two
In the present embodiment, some parameters for changing above-described embodiment one repeat equal thickness Ultra-fine Grained of the invention
The preparation method of TC4 titanium alloy plate.It is specific as follows:
S1, choose the TC4 titanium alloy slab after 27 sizes are identical and mill-annealed, TC4 titanium alloy slab with a thickness of
2mm, crystallite dimension are located in the range of 6-10 μm.
S2, all current TC4 titanium alloy slabs are equally divided into 9 groups, the quantity of the TC4 titanium alloy slab in every group is
3.
S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 27) and uses alcohol or third
Ketone carries out surface clean.It after grinding process and cleaning, is dried, then every group of TC4 titanium alloy slab is executed respectively
The operation of following steps S4 carries out a step S4 to 9 groups of TC4 titanium alloy sheets respectively；
S4, TC4 titanium alloy sheet layer is formed by the alignment of one group of TC4 titanium alloy slab is stacked, by one of TC4 titanium alloy sheet layer
Side soldering simultaneously coats inoxidzable coating (material of inoxidzable coating is calcium oxide, magnesia etc.) in other sides, later will
TC4 titanium alloy sheet layer is heated to 720 DEG C, heat preservation 15min in heating furnace, then carries out multi-pass heat to TC4 titanium alloy sheet layer
It rolls, until the thickness of TC4 titanium alloy sheet layer stops hot rolling when being equal to original thickness (i.e. the 2mm) of TC4 titanium alloy slab, in this reality
It applies in example, reaches equal thickness requirement by hot rolling twice, TC4 titanium alloy sheet layer is air-cooled to room temperature after hot rolling, wherein first road
Secondary deflection is 50%, and mill speed (mill speed of each passage) is in the range of 0.3m/s, and per pass hot rolling when,
The side of soldering is introduced into roll.
S5, after 9 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet layer of 9 one, at this time
The quantity of TC4 titanium alloy sheet layer is greater than the quantity of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab, to cooling
TC4 titanium alloy sheet layer afterwards needs to be grouped again, then using 9 TC4 titanium alloy sheet layers after cooling as new TC4 titanium alloy sheet
Base return step S2 is simultaneously executed downwards.
Second of S2, all current TC4 titanium alloy slabs are equally divided into 3 groups, the TC4 titanium alloy slab in every group
Quantity is 3, and the quantity of TC4 titanium alloy slab is identical in every group when being grouped with last time.
Second of S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 9) and uses alcohol
Or acetone carries out surface clean.After grinding process and cleaning, it is dried, then respectively to every group of TC4 titanium alloy slab
The operation for executing following steps S4, i.e., carry out a step S4 to 3 groups of TC4 titanium alloy sheets respectively；
It is second of S4, the same for the previous, it repeats no more.
Second of S5, after 3 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet of 3 one
Layer, the quantity of TC4 titanium alloy sheet layer is equal to the number of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab at this time
Amount, TC4 titanium alloy sheet layer after cooling is not needed to be grouped again, using 3 TC4 titanium alloy sheet layers after cooling as currently
TC4 titanium alloy slab simultaneously forms one group of TC4 titanium alloy slab return step S3 and executes downwards.
Third time S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 3) and uses alcohol
Or acetone carries out surface clean.After grinding process and cleaning, it is dried, then respectively to every group of TC4 titanium alloy slab
The operation of following steps S4 is executed, at this time only one group of TC4 titanium alloy sheet, i.e., a step is carried out to this group of TC4 titanium alloy sheet
S4；
It is third time S4, the same for the previous, it repeats no more.
Third time S5, after 1 group of TC4 titanium alloy slab executes the step S4, all TC4 titanium alloy slab pack rolling are together
A TC4 titanium alloy plate is formd, terminates circulation at this time.
S6, the step S5 TC4 titanium alloy plate formed is heat-treated, the temperature of heat treatment is 650 DEG C, heat treatment
Time is 150min.Then it is cold to carry out furnace.
The final Ultra-fine Grained TC4 titanium alloy plate for obtaining crystallite dimension and being located in the range of 0.4-0.8 μm.
To sum up, in the present embodiment, 27 TC4 titanium alloy slabs, for one group of carry out hot rolling, go to step with 3 for the first time
There are 9 TC4 titanium alloy sheet layers when S5, there are 3 TC4 titanium alloy sheet layers when going to step S5 for the second time, at this time TC4 titanium alloy sheet
All TC4 titanium alloy sheet layers after cooling are then executed from step S3 and downwards without being grouped again, go to step again by layer
The TC4 titanium alloy plate an of one is formd when S5.An entirety is formed after repeating 3 step S3-S4 as a result,
TC4 titanium alloy plate.Final total deformation is 96%.
Embodiment three
In the present embodiment, some parameters for changing above-described embodiment one repeat equal thickness Ultra-fine Grained of the invention
The preparation method of TC4 titanium alloy plate.It is specific as follows:
S1, choose the TC4 titanium alloy slab after 32 sizes are identical and mill-annealed, TC4 titanium alloy slab with a thickness of
4mm, crystallite dimension are located in the range of 6-10 μm.
S2, all current TC4 titanium alloy slabs are equally divided into 16 groups, the quantity of the TC4 titanium alloy slab in every group
It is 2.
S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs and table is carried out using alcohol or acetone
Face cleaning.It after grinding process and cleaning, is dried, following steps then is executed to every group of TC4 titanium alloy slab respectively
The operation of S4 carries out a step S4 to 16 groups of TC4 titanium alloy sheets respectively；
S4, TC4 titanium alloy sheet layer is formed by the alignment of one group of TC4 titanium alloy slab is stacked, by the whole of TC4 titanium alloy sheet layer
Edge uses electron beam vacuum seal, TC4 titanium alloy sheet layer is heated to 750 DEG C, heat preservation 30min in heating furnace later, so
Multistage hot deformation is carried out to TC4 titanium alloy sheet layer afterwards, until the thickness of TC4 titanium alloy sheet layer is equal to the original of TC4 titanium alloy slab
Stop hot rolling when beginning thickness (i.e. 2mm), in the present embodiment, reaches equal thickness requirement, TC4 after hot rolling by hot rolling twice
Titanium alloy sheet layer is air-cooled to room temperature, wherein first pass deformation is 50%, and mill speed (mill speed of each passage) is equal
In the range of 0.3m/s, and per pass hot rolling when, the side of soldering is introduced into roll.
S5, after 16 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet layer of 16 one, this
When TC4 titanium alloy sheet layer quantity be greater than the quantity of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab, need pair
TC4 titanium alloy sheet layer after cooling needs to be grouped again, then using 16 TC4 titanium alloy sheet layers after cooling as new TC4 titanium
Alloy slab return step S2 is simultaneously executed downwards.
Second of S2, all current TC4 titanium alloy slabs are equally divided into 8 groups, the TC4 titanium alloy slab in every group
Quantity is 2, and the quantity of TC4 titanium alloy slab is identical in every group when being grouped with last time.
Second of S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 16) and uses wine
Essence or acetone carry out surface clean.After grinding process and cleaning, it is dried, then respectively to every group of TC4 titanium alloy sheet
Base executes the operation of following steps S4, i.e., carries out a step S4 respectively to 8 groups of TC4 titanium alloy sheets；
It is second of S4, the same for the previous, it repeats no more.
Second of S5, after 8 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet of 8 one
Layer, the quantity of TC4 titanium alloy sheet layer is greater than the number of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab at this time
Amount, TC4 titanium alloy sheet layer after cooling need to be needed to be grouped again, then using 8 TC4 titanium alloy sheet layers after cooling as newly
TC4 titanium alloy slab return step S2 is simultaneously executed downwards.
Third time S2, all current TC4 titanium alloy slabs are equally divided into 4 groups, the TC4 titanium alloy slab in every group
Quantity is 2, and the quantity of TC4 titanium alloy slab is identical in every group when being grouped with last time.
Third time S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 4) and uses alcohol
Or acetone carries out surface clean.After grinding process and cleaning, it is dried, then respectively to every group of TC4 titanium alloy slab
The operation for executing following steps S4, i.e., carry out a step S4 to 4 groups of TC4 titanium alloy sheets respectively；
It is third time S4, the same for the previous, it repeats no more.
Third time S5, after 4 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet of 4 one
Layer, the quantity of TC4 titanium alloy sheet layer is greater than the number of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab at this time
Amount, TC4 titanium alloy sheet layer after cooling need to be needed to be grouped again, then using 4 TC4 titanium alloy sheet layers after cooling as newly
TC4 titanium alloy slab return step S2 is simultaneously executed downwards.
4th S2, all current TC4 titanium alloy slabs are equally divided into 2 groups, the TC4 titanium alloy slab in every group
Quantity is 2, and the quantity of TC4 titanium alloy slab is identical in every group when being grouped with last time.
4th S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 4) and uses alcohol
Or acetone carries out surface clean.After grinding process and cleaning, it is dried, then respectively to every group of TC4 titanium alloy slab
The operation for executing following steps S4, i.e., carry out a step S4 to 2 groups of TC4 titanium alloy sheets respectively；
It is 4th S4, the same for the previous, it repeats no more.
4th S5, after 2 groups of TC4 titanium alloy slabs have been performed both by step S4, form the TC4 titanium alloy sheet of 2 one
Layer, the quantity of TC4 titanium alloy sheet layer is greater than the number of the TC4 titanium alloy slab in step 2 in every group of TC4 titanium alloy slab at this time
Amount, TC4 titanium alloy sheet layer after cooling is not needed to be grouped again, using 2 TC4 titanium alloy sheet layers after cooling as currently
TC4 titanium alloy slab simultaneously forms one group of TC4 titanium alloy slab return step S3 and executes downwards.
5th S3, grinding process is carried out to the interface of all current TC4 titanium alloy slabs (totally 2) and uses alcohol
Or acetone carries out surface clean.After grinding process and cleaning, it is dried, then respectively to every group of TC4 titanium alloy slab
The operation of following steps S4 is executed, at this time only one group of TC4 titanium alloy sheet, i.e., a hyposynchronization is carried out to this group of TC4 titanium alloy sheet
Rapid S4；
It is 5th S4, the same for the previous, it repeats no more.
5th S5, after 1 group of TC4 titanium alloy slab executes the step S4, all TC4 titanium alloy slab pack rolling are together
A TC4 titanium alloy plate is formd, terminates circulation at this time.
S6, the step S5 TC4 titanium alloy plate formed is heat-treated, the temperature of heat treatment is 700 DEG C, heat treatment
Time is 120min.Then it is cold to carry out furnace.
The final Ultra-fine Grained TC4 titanium alloy plate for obtaining crystallite dimension and being located in the range of 0.4-1 μm.
To sum up, in the present embodiment, 32 TC4 titanium alloy slabs, for one group of carry out hot rolling, go to step with 2 for the first time
There are 16 TC4 titanium alloy sheet layers when S5, there are 8 TC4 titanium alloy sheet layers when going to step S5 for the second time, go to step for the third time
There are 4 TC4 titanium alloy sheet layers when rapid S5, there are 2 TC4 titanium alloy sheet layers when going to step S5 the 4th time, at this time TC4 titanium alloy
All TC4 titanium alloy sheet layers after cooling are then executed from step S3 and downwards without being grouped again, go to step again by plate layer
The TC4 titanium alloy plate an of one is formd when rapid S5.An entirety is formed after repeating 5 step S3-S4 as a result,
TC4 titanium alloy plate.Final total deformation is 97%.
Referring to above three embodiments, following specification step of the invention is formed, it can be in any one embodiment
The selection of parameter is carried out based on following steps:
S1, the TC4 titanium alloy slab after size is identical and mill-annealed for choosing preset quantity, TC4 titanium alloy slab
Thickness is located in the range of 1-4mm, and crystallite dimension is located in the range of 6-10 μm, and preset quantity is more than or equal to 4 and is integer；
S2, by all current TC4 titanium alloy slab average packets, the quantity of the TC4 titanium alloy slab in every group is greater than
Equal to 2 and it is less than or equal to 4；
S3, the interface of all current TC4 titanium alloy slabs is roughened and is cleaned, then respectively to every group
The operation of TC4 titanium alloy slab execution following steps S4；
S4, TC4 titanium alloy sheet layer is formed by the alignment of one group of TC4 titanium alloy slab is stacked, by one of TC4 titanium alloy sheet layer
Side soldering simultaneously coats inoxidzable coating in other sides, or by whole edge vacuum soldering and sealing of TC4 titanium alloy sheet layer, then
Multistage hot deformation is carried out to TC4 titanium alloy sheet layer, until the thickness of TC4 titanium alloy sheet layer is equal to the original of TC4 titanium alloy slab
Stop hot rolling when thickness, TC4 titanium alloy sheet layer is cooled down after hot rolling；
S5, after each group TC4 titanium alloy slab has been performed both by step S4, if TC4 titanium alloy sheet layer after cooling need again
(quantity of TC4 titanium alloy sheet layer even after cooling is greater than every group of TC4 titanium alloy slab in the step S2 executed before for secondary grouping
In TC4 titanium alloy slab quantity), then returned using all TC4 titanium alloy sheet layers after cooling as new TC4 titanium alloy slab
It returns step S2 and executes downwards, if TC4 titanium alloy sheet layer after cooling without being grouped (TC4 titanium alloy even after cooling again
The number of TC4 titanium alloy slab in the step S2 that the quantity of plate layer executes before being less than or equal in every group of TC4 titanium alloy slab
Amount), then all TC4 titanium alloy sheet layers after cooling as current TC4 titanium alloy slab and are formed into one group of TC4 titanium alloy sheet
Base return step S3 is simultaneously executed downwards, until all TC4 titanium alloy slab pack rolling form a TC4 titanium alloy plate together
Until；
S6, TC4 titanium alloy plate is heat-treated, is then cooled down.
Preferably, in step sl, preset quantity is more than or equal to 16, and is equal to 2nOr 3n, wherein n is more than or equal to 2 and is
Integer.For example, preset quantity is 4,8,16,27,32.
Preferably, when step S2 is performed a plurality of times, after grouping in every group TC4 titanium alloy slab constant number, i.e., after it is primary
The quantity of TC4 titanium alloy slab is identical as when previous grouping in every group when grouping.
Preferably, it is first roughened, then cleans.
Preferably, in step s3, roughening treatment is grinding process, carries out surface clean using acetone or alcohol.
Preferably, in step s 4, first pass deformation is 50%, and mill speed is located in the range of 0.3-0.5m/s.
Preferably, in step s 4, TC4 titanium alloy sheet layer is heated to 700-750 DEG C, heat preservation in heating furnace before hot rolling
Then 15-30min carries out first passage hot rolling.
Preferably, in step s 4, TC4 titanium alloy sheet layer is cooled down using air-cooled mode after hot rolling.
Preferably, in step s 5, when by a side soldering of TC4 titanium alloy sheet layer and in other sides coating oxygen
When changing coating, in hot rolling, the side of soldering is introduced into roll.
Preferably, in step s 6, the temperature of heat treatment is located in the range of 600-700 DEG C, and the time of heat treatment is located at
In the range of 120-180min.
Preferably, in step s 6, the crystallite dimension of TC4 titanium alloy plate after cooling is located in the range of 0.4-1 μm.
Preferably, in step s 6, it is cold or air-cooled that furnace can be used in the type of cooling.
Preferably, the group number and every group of TC4 titanium alloy slab of the preset quantity in step S1 and the grouping in step S2
Quantity and step S5 in the quantity of TC4 titanium alloy sheet layer after cooling be equipped with, guarantee equal when step S4 is executed every time
It is the TC4 titanium alloy slab overlapping hot rolling of constant number.
For example, preset quantity is 4, every group is 2, and hot rolling two-by-two for the first time in this way forms two double-deck TC4 titaniums later
Alloy plate layer, then hot rolling is to the TC4 titanium alloy plate for being formed together one 4 layers；
For example, preset quantity is 8, every group is 2, and hot rolling two-by-two for the first time in this way forms 4 double-deck TC4 titaniums later
Alloy plate layer, then hot rolling two-by-two, form 2 four layers of TC4 titanium alloy sheet layer, then hot rolling is to the TC4 titanium for being formed together one 8 layers
Sheet alloy；
For example, preset quantity is 16, every group is 4, and four or four hot rollings for the first time in this way form 4 four layers of TC4 titanium later
Alloy plate layer, then four or four hot rollings are to the TC4 titanium alloy plate for being formed together one 16 layers；
For example, preset quantity is 16, every group is 2, and hot rolling two-by-two for the first time in this way forms 8 double-deck TC4 titaniums later
Alloy plate layer, then hot rolling two-by-two form 4 four layers of TC4 titanium alloy sheet layer, then hot rolling two-by-two, form 28 layers of TC4 titanium and close
Golden plate layer, finally again hot rolling to the TC4 titanium alloy plate for being formed together one 16 layers；
For example, preset quantity is 27, every group is 3, and three or three hot rollings for the first time in this way form 9 three layers of TC4 titanium later
Alloy plate layer, repeatedly three hot rolling form 3 nine layers of TC4 titanium alloy sheet layer, then hot rolling is to the TC4 for being formed together one 27 layers
Titanium alloy plate；
For example, preset quantity is 32, every group is 2, and hot rolling two-by-two for the first time in this way forms 16 double-deck TC4 later
Titanium alloy sheet layer, then hot rolling two-by-two form 8 four layers of TC4 titanium alloy sheet layer, then hot rolling two-by-two, form 48 layers of TC4 titanium
Alloy plate layer, then hot rolling two-by-two form 2 16 layers of TC4 titanium alloy sheet layer, finally again hot rolling to being formed together one 32 layers
TC4 titanium alloy plate.
The following table shows the spaced relationships between the number of plies of TC4 titanium alloy plate and total deformation and each laminate base, it is known that,
The pack rolling number of plies is more, and plate spacing is smaller, in conjunction with also closer.
Spaced relationship between the number of plies and total deformation and each laminate base of 1 TC4 titanium alloy plate of table
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (5)
1. a kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate, which comprises the steps of:
S1, the TC4 titanium alloy slab after size is identical and mill-annealed for choosing preset quantity, the TC4 titanium alloy slab
Thickness is located in the range of 1-4mm, and crystallite dimension is located in the range of 6-10 μm, and the preset quantity is more than or equal to 4 and is whole
Number；
S2, by all current TC4 titanium alloy slab average packets, the quantity of the TC4 titanium alloy slab in every group is more than or equal to 2
And it is less than or equal to 4；
S3, the interface of all current TC4 titanium alloy slabs is roughened and is cleaned, then respectively to every group of TC4
The operation of titanium alloy slab execution following steps S4；
S4, TC4 titanium alloy sheet layer is formed by the alignment of one group of TC4 titanium alloy slab is stacked, by one of the TC4 titanium alloy sheet layer
Side soldering simultaneously coats inoxidzable coating in other sides, and the TC4 titanium alloy sheet layer is heated to 700-720 DEG C, heat preservation 15-
Then 30min carries out multistage hot deformation to TC4 titanium alloy sheet layer, until the thickness of the TC4 titanium alloy sheet layer is equal to TC4 titanium
Stop hot rolling when the original thickness of alloy slab, the TC4 titanium alloy sheet layer is cooled down after hot rolling；Mill speed position
In the range of 0.3-0.5m/s, in hot rolling, the side of soldering is introduced into roll；
S5, after each group TC4 titanium alloy slab has been performed both by step S4, if the quantity of TC4 titanium alloy sheet layer after cooling is greater than
The quantity of TC4 titanium alloy slab in the step S2 executed before in every group of TC4 titanium alloy slab, then will be all after cooling
TC4 titanium alloy sheet layer is as new TC4 titanium alloy slab return step S2 and executes downwards, if TC4 titanium alloy sheet after cooling
The quantity of TC4 titanium alloy slab in the step S2 that the quantity of layer executes before being less than or equal in every group of TC4 titanium alloy slab, then
All TC4 titanium alloy sheet layers after cooling as current TC4 titanium alloy slab and are formed into one group of TC4 titanium alloy slab return
Step S3 is simultaneously executed downwards, until all TC4 titanium alloy slab pack rolling form a TC4 titanium alloy plate together；
S6, the TC4 titanium alloy plate is heat-treated, the temperature of heat treatment is located in the range of 600-700 DEG C, heat treatment when
Between be located at 120-180min in the range of, then cooled down, the crystallite dimension of TC4 titanium alloy plate after cooling is located at 0.4-
In the range of 1 μm.
2. the preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate according to claim 1, which is characterized in that
In step sl, the preset quantity is more than or equal to 16, and is equal to 2nOr 3n, wherein n is more than or equal to 2 and is integer.
3. the preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate according to claim 2, which is characterized in that
When step S2 is performed a plurality of times, after grouping in every group TC4 titanium alloy slab constant number.
4. the preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate according to claim 1, which is characterized in that
In step s3, roughening treatment is grinding process, and carries out surface clean using acetone or alcohol.
5. the preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate according to claim 1, which is characterized in that
In step s 4, first pass deformation is 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248852.6A CN107030111B (en) | 2017-04-17 | 2017-04-17 | A kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248852.6A CN107030111B (en) | 2017-04-17 | 2017-04-17 | A kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107030111A CN107030111A (en) | 2017-08-11 |
| CN107030111B true CN107030111B (en) | 2019-07-02 |
Family
ID=59535322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710248852.6A Expired - Fee Related CN107030111B (en) | 2017-04-17 | 2017-04-17 | A kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107030111B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807175B (en) * | 2019-02-28 | 2020-05-15 | 西安东耘新金属材料有限公司 | Superfine crystal rolling method for large-size titanium alloy bar |
| TWI688440B (en) * | 2019-05-06 | 2020-03-21 | 中國鋼鐵股份有限公司 | Ultra-thin titanium sheet and method for producing the same |
| DE102019217839A1 (en) * | 2019-11-19 | 2021-05-20 | Sms Group Gmbh | Method for operating a plant in the metallurgical industry |
| CN112475584B (en) * | 2020-10-19 | 2022-07-01 | 伊莱特能源装备股份有限公司 | Plate blank surface treatment method for vacuum seal welding |
| CN112692060B (en) * | 2020-12-11 | 2022-07-19 | 湖南湘投金天钛金属股份有限公司 | Preparation method of titanium alloy plate |
| CN112872722B (en) * | 2021-01-08 | 2022-07-12 | 深圳技术大学 | Gradient nano-structure metal material and preparation method thereof |
| CN113333469B (en) * | 2021-06-30 | 2022-03-08 | 索罗曼(常州)合金新材料有限公司 | TC4 titanium alloy sheet hot rolling process |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807393B1 (en) * | 2006-06-05 | 2008-02-28 | 경상대학교산학협력단 | Process for making Ti-Ni based functionally graded alloys and Ti-Ni based functionally graded alloys produced thereby |
| CN100589892C (en) * | 2008-03-26 | 2010-02-17 | 哈尔滨工业大学 | Method for manufacturing ultra-fine crystal magnesium/titanium layered polystyrene-plywood laminate |
| CN102121078B (en) * | 2011-01-20 | 2012-07-25 | 西北工业大学 | Composite preparation method for fine crystal titanium alloy |
| CN102489507A (en) * | 2011-12-14 | 2012-06-13 | 西部钛业有限责任公司 | Preparation method for titanium alloy wide sheet |
| CN104099543B (en) * | 2013-04-11 | 2016-03-30 | 北京有色金属研究总院 | Improve accumulation ply rolling and the heat treatment method of copper alloy stress relaxation-resistant ability |
| CN103243283B (en) * | 2013-05-27 | 2015-10-07 | 中国科学院长春应用化学研究所 | The preparation method of ultrafine grain rare earth magnesium alloy |
| CN103978032B (en) * | 2014-05-29 | 2015-11-18 | 西北有色金属研究院 | A kind of processing method of fine crystalline superplastic TA15 titanium-alloy thin-plate |
| CN104190715B (en) * | 2014-09-26 | 2017-01-25 | 西部钛业有限责任公司 | Ply rolling processing method for TC1 titanium alloy thin plate |
| CN104399750B (en) * | 2014-10-23 | 2016-06-29 | 哈尔滨工程大学 | A kind of TiNi memorial alloy preparation of plates method |
| CN106399886B (en) * | 2016-09-28 | 2019-09-17 | 宝钢特钢有限公司 | A kind of preparation method of TC4 Fine Grain Ti Alloy thin plate |
-
2017
- 2017-04-17 CN CN201710248852.6A patent/CN107030111B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107030111A (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107030111B (en) | A kind of preparation method of equal thickness Ultra-fine Grained TC4 titanium alloy plate | |
| CN109433822A (en) | A kind of Rolling compund method of magnalium clad plate | |
| CN110252806A (en) | A kind of milling method improving ply-metal bond strength | |
| CN109174965B (en) | A method of preparing very thin high-performance multilayer copper/copper Al intermetallic/aluminum composite foil material | |
| CN1114598A (en) | Method for continuously making metal composite sheet or composite coil | |
| CN109201737B (en) | Preparation method of gradient structure material with superfine crystal core and coarse crystal surface | |
| CN106064504A (en) | A kind of high-strength tenacity magnesium lithium alloy laminar composite and preparation method thereof | |
| CN105458488A (en) | Clad alloy substrates and method for making same | |
| CN113020261B (en) | Rolling method of metal composite plate with prefabricated corrugated interface | |
| CN113664063B (en) | Preparation method of copper-molybdenum-copper layered composite material | |
| CN108114981A (en) | Metal foil and the method for metallic plate multilayer materials pulse current auxiliary manufacture | |
| CN106399886B (en) | A kind of preparation method of TC4 Fine Grain Ti Alloy thin plate | |
| CN110976519A (en) | Production method of four-layer aluminum alloy composite plate strip blank | |
| CN108114998A (en) | Composite alloy plate and preparation method thereof | |
| CN111334731B (en) | Method for controlling anisotropy of alpha + beta titanium alloy cold-rolled plate strip | |
| CN111069600A (en) | Additive manufacturing method of low-modulus titanium/titanium layered material | |
| CN110465547A (en) | A kind of dissimilar metal clad plate goes residual stress to enhance compound method | |
| CN108555039A (en) | Copper/steel layer shape composite material and preparation method thereof and the composite material being prepared | |
| CN108517476A (en) | The heat treatment method of copper aluminium cold rolling composite plate | |
| KR102518087B1 (en) | Rolling method of titanium sheet | |
| CN105196640B (en) | A kind of preparation method for composite metal plate | |
| CN109487102B (en) | Preparation method of aluminum-magnesium-scandium alloy plate for superplastic forming | |
| CN111760908A (en) | Ultrathin multilayer metal composite strip and preparation method thereof | |
| CN110434173A (en) | A kind of TiMg laminar composite and differential temperature preparation method | |
| CN113617840B (en) | Preparation method of multi-metal multilayer gradient composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Guohuai Inventor after: Wang Zhaodong Inventor after: Li Tianrui Inventor after: Xu Mang Inventor after: Wang Bingxing Inventor after: Li Yong Inventor after: Fu Tianliang Inventor before: Liu Guohuai Inventor before: Wang Zhaodong Inventor before: Li Yong Inventor before: Li Tianrui Inventor before: Xu Mang Inventor before: Fu Tianliang Inventor before: Wang Bingxing |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 |