CN105154737B - Vanadium, chrome and titanium alloy plate and preparation method thereof - Google Patents
Vanadium, chrome and titanium alloy plate and preparation method thereof Download PDFInfo
- Publication number
- CN105154737B CN105154737B CN201510522020.XA CN201510522020A CN105154737B CN 105154737 B CN105154737 B CN 105154737B CN 201510522020 A CN201510522020 A CN 201510522020A CN 105154737 B CN105154737 B CN 105154737B
- Authority
- CN
- China
- Prior art keywords
- jacket
- alloy
- vacuum
- furnace
- ramp
- 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.)
- Active
Links
Landscapes
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a vanadium, chrome and titanium alloy plate and a preparation method thereof, and belongs to the technical field of metal plastic machining. The vanadium, chrome and titanium alloy plate is composed of, by weight, 88-94% of V, 2.9-6% of Cr, 2.6-6% of Ti and the balance not more than 0.5% of inevitable impurities. The vanadium, chrome and titanium alloy plate is prepared by sequentially conducting ingot casting homogenizing annealing, pancake forging, hammer cogging, pancake hot rolling, cold rolling, solid solution and aging treatment, argon filling cooling following a furnace and other procedures with alloy ingots prepared through the metallothermics and the vacuum induction refining method as blanks. The obtained V-Cr-Ti alloy plate is small in crystalline grain, uniform in component, good in surface quality and excellent in performance.
Description
Technical field
The present invention relates to a kind of inexpensive vanadium chromium titanium alloy sheet and preparation method thereof, belongs to Metal Forming technology neck
Domain.
Background technology
Vanadium chromium titanium alloy has low-activity steady in a long-term, low decay heat, and recoverable because of it；Flouride-resistani acid phesphatase swells
Swollen, temperature can reach 850 DEG C of heat resistance, highly thermally conductive, low-thermal-expansion, and low thermal stress, high temperature be suitable for the limit, in liquid lithium
There are good compatibility, and good processability in loop, thin slice can be rolled into, tubulose is extruded into, weldability waits well special
Point, and the structural material of fusion reactor V-Li coverings is selected as, wherein again most representative with V4Cr4Ti and V5Cr5Ti alloys.
Since the sixties in 20th century, foreign countries have begun to preparation and the basic research work of vanadium alloy.Current preparation method
Mainly there are electronic torch melting, vacuum self-consumption electrode arc melting, magnetic levitation melting and powder metallurgy.Into the nineties, in state
Under the promotion of border Thermonuclear Experimental heap (ITER) international cooperative project, increasing country and research institution begin one's study vanadium chromium titanium
Alloy system, but achievement in research is in confidential state mostly, is even more rarely reported with regard to the detailed machined parameters of the alloy.The U.S.
Using the duplex method of electronic torch melting+vacuum self-consumption electrode arc melting, the V-5Cr-5Ti alloys casting of 1200kg has been prepared
Ingot, and applied it in 1996 in DIII-D Tokamak devices.Technology of preparing and theory of the China with regard to such alloy
Research starting mainly carries out in the lab research survey than later, scale less (tens grams～100 kilograms) and not enough system
Examination, and achievement in research report is few.
These preparation methods are used mostly V, Cr, Ti simple metal as raw material, and cost is high.Such as purity 99.9%
V, the market price is about 2500 yuan/kg, to configure the expense needed for the stove alloy (20kg, V4Cr4Ti) and be about 50,000 yuan, Jing
Cross obtain after melting, pressure processing, heat treatment sheet alloy price it is very high, limit the popularization and application of the alloy.
The content of the invention
First technical problem to be solved by this invention is to provide a kind of has that crystal grain is tiny, composition is uniform, surface matter
Measure, excellent performance and vanadium chromium titanium alloy sheet with low cost.
A kind of vanadium chromium titanium alloy sheet of the present invention, is made up of following weight percent composition：V 88～94%, Cr 2.9～
6%, Ti 2.6～6%, balance of inevitable impurity；Wherein, the impurity element Ni, Mo, Nb, Cu, Al, Fe, Si, P, W,
Gross mass≤0.5% of Zr, S, N, C, O.
Further, as preferred technical scheme, a kind of vanadium chromium titanium alloy sheet is by following percentage by weight group
It is grouped into：V 90～92%, Cr 4～5%, Ti 3.5～5%, balance of inevitable impurity.
A kind of vanadium chromium titanium alloy sheet described above, it is characterised in that：Yield strength >=the 390MPa of alloy sheets, tensile strength
>=500MPa, elongation >=28%, the contraction percentage of area >=65%.
The thickness of vanadium chromium titanium alloy sheet described above is 0.5～10mm.
Second technical problem to be solved by this invention is to provide a kind of preparation method of vanadium chromium titanium alloy sheet, specially
There is provided a kind of alloy cast ingot prepared with metallothermic processes+vacuum induction purifying method carries out ingot homogenization as blank, successively
Annealing, canned forging cogging, jacket hot rolling, cold rolling and solid solution+Ageing Treatment+prepare the conjunction of vanadium chromium titanium with operations such as stove argon filling coolings
The process route of golden plate material.
A kind of preparation method of vanadium chromium titanium alloy sheet of the present invention, comprises the following steps：
A, the percentage by weight constituted according to the raw material of alloy sheets, prepare V 88～94%, Cr 2.9～6%, Ti 2.6
～6%, the inevitable impurity of balance of gross mass≤0.5%；
B, the ready raw material of a steps is obtained into V-Cr-Ti alloy crude products using metallothermic processes, under vacuum conditions
The V-Cr-Ti alloy cast ingots of standard requirement are smelted into, in a vacuum furnace with the ramp of 3～20 DEG C/min to 1000～1350
DEG C, 0.5～8h is incubated, cool to room temperature with the furnace under vacuum；
Alloy raw material is prepared the step alloy under standard is required with metallothermic processes+vacuum induction purifying method
Ingot casting, is heat-treated in vacuum furnace, can eliminate casting stress and make uniform texture；
Blank is cut on c, the ingot casting after b step cooling, chamfering, polishing is put into jacket, and jacket is vacuumized, with 3
The ramp of～20 DEG C/min after 1～3h of insulation, by jacket seal welding, obtains alloy forging jacket to 750～850 DEG C
Body；
Jacket is vacuumized in the step, and by jacket seal welding, obtains alloy forging jacket body, be to realize
To protection against oxidation of the alloy in hot forging process；
D, the alloy forging jacket body for obtaining step c are in resistance furnace with the ramp of 5～20 DEG C/min to 1050
～1350 DEG C, after 0.5～4h of insulation, hammer cogging is carried out on 1～3 ton of pneumatic hammer, water quenching is down to room temperature and removes jacket,
Cleaning, processes the hot rolling slab of rectangularity or square sectional；
Wherein, the starting forging temperature of hammer cogging is 1050～1350 DEG C, and final forging temperature is 1000～1300 DEG C, passage deformation
Measure as 5～20%, total deformation is 40～80%, with stove insulation be 1～30min between passage；
E, the hot rolling slab for obtaining Step d are obtained hot rolling bag according to the method that step c manufactures alloy forging jacket body
Body, will hot rolling slab be put into jacket and be placed in vacuum furnace, be evacuated to 3～10 × 10-3Pa, then with 3～
The ramp of 20 DEG C/min to 750～850 DEG C, 1～3h of temperature retention time；After insulation terminates, jacket seal welding is closed
Golden hot rolling jacket body, to realize the protection against oxidation to the alloy in the hot rolling；Again in resistance furnace with 5～20 DEG C/
The ramp of min is incubated 0.5～4h to 1050～1350 DEG C, at such a temperature, then hot rolling is carried out on duo mill and is added
Work, carries out Water Quenching and is down to room temperature and removes jacket after the completion of hot rolling to rolling jacket body, cleans alloy and simultaneously cuts off micro-crack
Deng rejected region, the slab of regular sections is processed in trimming；
Wherein, the start rolling temperature of hot rolling is 1050～1350 DEG C, and finishing temperature is 1000～1300 DEG C, mill speed
For 0.1～5m/min, pass deformation is 2～20%, and total deformation is 40～80%, between passage with stove insulation for 1～
30min；
F, the slab for obtaining step e are protected in a vacuum furnace with the ramp of 5～20 DEG C/min to 900～1250 DEG C
0.5～4h of temperature, vacuum annealing, vacuum is 3～10 × 10-3Pa, cools to room temperature with the furnace, obtains cold rolling using slab；
G, the cold rolling use slab for obtaining f steps are entered to cold rolling using duo mill under air at room temperature atmosphere with slab
The cold rolling processing of row, it is cold rolling after the completion of clean alloy, trimming is processed into the plate in the section of rule, obtains the cold rolling of specific thicknesses
Plate；
Wherein, the mill speed of cold rolling processing is 0.1～5m/min, and pass deformation is 1～10%, and total deformation is 40
～95%；
H, by g steps obtain cold-reduced sheet in a vacuum furnace with the ramp of 5～20 DEG C/min to 900～1250 DEG C,
Solution treatment after 0.5～4h of insulation, cools to 500～850 DEG C with the furnace, and after 1～24h of insulation Ageing Treatment is carried out, and subsequently adopts
Room temperature is down to the stove argon filling type of cooling, is cleaned, obtained final product.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein reducing agent is in metallothermic processes in the b step
At least one of Ca, Mg, regulator is Ti, TiO2At least one of.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein under vacuum conditions melting is referred to and adopted in the b step
Use water jacketed copper crucible vacuum induction melting, furnace charge to be not required to make electrode in advance, be capable of achieving liquid metal and be subject to strong in stove
Function composite by electromagnetic stirring, it is ensured that the uniform temperature of the chemical analysis in molten bath is uniform.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein jacket is vacuumized or vacuum drying oven in vacuum be
3～10 × 10-3Pa。
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, the material of the jacket be 1Cr18Ni9Ti stainless steels, the pure titaniums of TA1 or
One kind in TC4 titanium alloys, thickness is 1～20mm；Its internal structure is：Press from both sides between the bearing up-down force end face of blank and jacket face
There is graphite heat conducting pad, alumina silicate fiber felt is filled between blank side and jacket wall.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, the cleaning is for cleaning alloy and cuts off the rejected regions such as micro-crack,
So that the alloy surface for obtaining is more regular, more complete.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, wherein the roller diameter of the duo mill is 350mm.
Vanadium chromium titanium alloy sheet of the present invention and preparation method thereof has the advantages that：
(1) present invention adopt metallothermic processes (metal Ca, Mg for reducing agent, Ti, TiO2For regulator) prepare V-
Cr-Ti alloy crude products, then obtain the V-Cr-Ti alloy cast ingots that composition meets standard requirement using vacuum equipment melting, and make
Compared with V, Cr, Ti pure metal powder alloyage melting, cost is substantially reduced.
(2) using water jacketed copper crucible induction melting furnace, furnace charge is not required to make electrode in advance, and achievable liquid metal is in stove
By strong function composite by electromagnetic stirring, it is ensured that the uniform temperature of the chemical analysis in molten bath is uniform.
(3) present invention prepares vanadium chromium titanium alloy sheet and adopts vacuum canning, is thermally treated resulting in alloy forging jacket body, realizes
Protection against oxidation of the alloy in hot forging process, and jacket internal structure are filled into using resistant to elevated temperatures alumina silicate fiber felt
Stock side is incubated in jacket, effect is preferable；Thermal conductivity factor is used between the bearing up-down force end face of blank and jacket face
High Graphite pad, is conducive to blank end face heat temperature raising and temperature uniform, also plays end-face friction in pressing process
The effect of lubrication, reduces finished surface crackle odds.
(4) the V-Cr-Ti sheet alloy compositions of present invention acquisition are uniform, crystal grain is tiny, surface quality good, excellent performance.
Description of the drawings
Fig. 1 is the design structure schematic diagram of jacket：1 is alloy blank, and 2 is alumina silicate fiber felt, and 3 is jacket, and 4 is graphite
Pad.
Specific embodiment
A kind of vanadium chromium titanium alloy sheet of the present invention, is made up of following weight percent composition：V 88～94%, Cr 2.9～
6%, Ti 2.6～6%, balance of inevitable impurity；Wherein, the impurity element Ni, Mo, Nb, Cu, Al, Fe, Si, P, W,
Gross mass≤0.5% of Zr, S, N, C, O.
Further, as preferred technical scheme, a kind of vanadium chromium titanium alloy sheet is by following percentage by weight group
It is grouped into：V 90～92%, Cr 4～5%, Ti 3.5～5%, balance of inevitable impurity.
A kind of vanadium chromium titanium alloy sheet described above, it is characterised in that：Yield strength >=the 390MPa of alloy sheets, tensile strength
>=500MPa, elongation >=28%, the contraction percentage of area >=65%.
The thickness of vanadium chromium titanium alloy sheet described above is 0.5～10mm.
Second technical problem to be solved by this invention is to provide a kind of preparation method of vanadium chromium titanium alloy sheet, specially
There is provided a kind of alloy cast ingot prepared with metallothermic processes+vacuum induction purifying method carries out ingot homogenization as blank, successively
Annealing, canned forging cogging, jacket hot rolling, cold rolling and solid solution+Ageing Treatment+prepare the conjunction of vanadium chromium titanium with operations such as stove argon filling coolings
The process route of golden plate material.
A kind of preparation method of vanadium chromium titanium alloy sheet of the present invention, comprises the following steps：
A, the percentage by weight constituted according to the raw material of alloy sheets, prepare V 88～94%, Cr 2.9～6%, Ti 2.6
～6%, the inevitable impurity of balance of gross mass≤0.5%；
B, the ready raw material of a steps is obtained into V-Cr-Ti alloy crude products using metallothermic processes, under vacuum conditions
The V-Cr-Ti alloy cast ingots of standard requirement are smelted into, in a vacuum furnace with the ramp of 3～20 DEG C/min to 1000～1350
DEG C, 0.5～8h is incubated, cool to room temperature with the furnace under vacuum；
Alloy raw material is prepared the step alloy under standard is required with metallothermic processes+vacuum induction purifying method
Ingot casting, is heat-treated in vacuum furnace, can eliminate casting stress and make uniform texture；
Blank is cut on c, the ingot casting after b step cooling, chamfering, polishing is put into jacket, and jacket is vacuumized, with 3
The ramp of～20 DEG C/min after 1～3h of insulation, by jacket seal welding, obtains alloy forging jacket to 750～850 DEG C
Body；
Jacket is vacuumized in the step, and by jacket seal welding, obtains alloy forging jacket body, be to realize
To protection against oxidation of the alloy in hot forging process；
D, the alloy forging jacket body for obtaining step c are in resistance furnace with the ramp of 5～20 DEG C/min to 1050
～1350 DEG C, after 0.5～4h of insulation, hammer cogging is carried out on 1～3 ton of pneumatic hammer, water quenching is down to room temperature and removes jacket,
Cleaning, processes the hot rolling slab of rectangularity or square sectional；
Wherein, the starting forging temperature of hammer cogging is 1050～1350 DEG C, and final forging temperature is 1000～1300 DEG C, passage deformation
Measure as 5～20%, total deformation is 40～80%, with stove insulation be 1～30min between passage；
E, the hot rolling slab for obtaining Step d are obtained hot rolling bag according to the method that step c manufactures alloy forging jacket body
Body, will hot rolling slab be put into jacket and be placed in vacuum furnace, be evacuated to 3～10 × 10-3Pa, then with 3～
The ramp of 20 DEG C/min to 750～850 DEG C, 1～3h of temperature retention time；After insulation terminates, jacket seal welding is closed
Golden hot rolling jacket body, to realize the protection against oxidation to the alloy in the hot rolling；Again in resistance furnace with 5～20 DEG C/
The ramp of min is incubated 0.5～4h to 1050～1350 DEG C, at such a temperature, then hot rolling is carried out on duo mill and is added
Work, carries out Water Quenching and is down to room temperature and removes jacket after the completion of hot rolling to rolling jacket body, cleans alloy and simultaneously cuts off micro-crack
Deng rejected region, the slab of regular sections is processed in trimming；
Wherein, the start rolling temperature of hot rolling is 1050～1350 DEG C, and finishing temperature is 1000～1300 DEG C, mill speed
For 0.1～5m/min, pass deformation is 2～20%, and total deformation is 40～80%, between passage with stove insulation for 1～
30min；
F, the slab for obtaining step e are protected in a vacuum furnace with the ramp of 5～20 DEG C/min to 900～1250 DEG C
0.5～4h of temperature, vacuum annealing, vacuum is 3～10 × 10-3Pa, cools to room temperature with the furnace, obtains cold rolling using slab；
G, the cold rolling use slab for obtaining f steps are entered to cold rolling using duo mill under air at room temperature atmosphere with slab
The cold rolling processing of row, it is cold rolling after the completion of clean alloy, trimming is processed into the plate in the section of rule, obtains the cold rolling of specific thicknesses
Plate；
Wherein, the mill speed of cold rolling processing is 0.1～5m/min, and pass deformation is 1～10%, and total deformation is 40
～95%；
H, by g steps obtain cold-reduced sheet in a vacuum furnace with the ramp of 5～20 DEG C/min to 900～1250 DEG C,
Solution treatment after 0.5～4h of insulation, cools to 500～850 DEG C with the furnace, and after 1～24h of insulation Ageing Treatment is carried out, and subsequently adopts
Room temperature is down to the stove argon filling type of cooling, is cleaned, obtained final product.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein reducing agent is in metallothermic processes in the b step
At least one of Ca, Mg, regulator is Ti, TiO2At least one of.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein under vacuum conditions melting is referred to and adopted in the b step
Use water jacketed copper crucible vacuum induction melting, furnace charge to be not required to make electrode in advance, be capable of achieving liquid metal and be subject to strong in stove
Function composite by electromagnetic stirring, it is ensured that the uniform temperature of the chemical analysis in molten bath is uniform.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein jacket is vacuumized or vacuum drying oven in vacuum be
3～10 × 10-3Pa。
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, the material of the jacket be 1Cr18Ni9Ti stainless steels, the pure titaniums of TA1 or
One kind in TC4 titanium alloys, thickness is 1～20mm；Its internal structure is：Press from both sides between the bearing up-down force end face of blank and jacket face
There is graphite heat conducting pad, alumina silicate fiber felt is filled between blank side and jacket wall.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, the cleaning is for cleaning alloy and cuts off the rejected regions such as micro-crack,
So that the alloy surface for obtaining is more regular, more complete.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, wherein the roller diameter of the duo mill is 350mm.
The specific embodiment of the present invention is further described with reference to embodiment, not therefore by present invention limit
System is among described scope of embodiments.
Embodiment 1
(1) percentage by weight constituted according to the raw material of alloy sheets, prepares V 92%, Cr3.9%, Ti4%, balance of total
The inevitable impurity of quality≤0.5%；
(2) using Ca thermal reductions+water jacketed copper crucible vacuum induction melting V-3.9wt%Cr-4wt%Ti alloys casting twice
Ingot, ingot casting is put in vacuum furnace and is incubated 1h to after 1100 DEG C with the ramp of 5 DEG C/min, in stove vacuum be 5 ×
10-3Pa, after insulation terminates, vacuum along with the furnace cooling；
(3) cylindrical blank and chamfering of 50mm thickness are cut on the ingot casting after vacuum annealing process, is put after polished surface
Enter jacket to be placed in vacuum furnace, be evacuated to 5 × 10-3Pa, then with the ramp of 5 DEG C/min to 800 DEG C, insulation
Time 1h；After insulation terminates, by jacket seal welding, alloy forging jacket body is obtained.
(4) alloy forging jacket body is incubated with the ramp of 5 DEG C/min in chamber type electric resistance furnace to after 1200 DEG C
100min, then carries out hammer cogging on 1～3 ton of pneumatic hammer, and starting forging temperature is 1150 DEG C, and final forging temperature is 1050 DEG C, road
Secondary deflection is 10%, and total deformation is 50%, and it is 30min to be incubated with stove between passage.Enter to forging jacket body after the completion of forging
Row Water Quenching is down to room temperature and removes jacket, is cleaned alloy and is cut off the rejected regions such as micro-crack, trimming processing rectangularity
Or the hot rolling slab of square sectional；
(5) hot rolling slab is put into into jacket to be placed in vacuum furnace, is evacuated to 5 × 10-3Pa, then with 5 DEG C/
The ramp of min to 800 DEG C, temperature retention time 1h；After insulation terminates, by jacket seal welding, alloy hot rolling jacket body is obtained.
Hot rolling jacket body is put in chamber type electric resistance furnace, with the ramp of 5 DEG C/min to 1100 DEG C, and 100min is incubated, Ran Hou
Carry out hot rolling on duo mill, start rolling temperature is 1100 DEG C, finishing temperature is 1000 DEG C, mill speed is 2m/min, road
Secondary deflection is 10%, and it is 30min to be incubated with stove between passage, and total deformation reaches specific thicknesses more than 60%.It is right after the completion of hot rolling
Rolling jacket body carries out Water Quenching and is down to room temperature and removes jacket, cleans alloy and cuts off the rejected regions such as micro-crack, trimming
It is processed into the slab of regular sections；
(6) slab is carried out into vacuum to 1000 DEG C of insulation 1h with the ramp of 5 DEG C/min in vacuum furnace to move back
Fire is processed, and vacuum is 5 × 10-3Pa, then cools to room temperature with the furnace, and acquisition is cold rolling to use slab；
(7) under air at room temperature atmospheric condition, cold rolling processing, mill speed are carried out with slab to cold rolling using duo mill
For 2m/min, pass deformation is 8%, and total deformation reaches 80%.Alloy is cleaned after the completion of cold rolling and micro-crack etc. is cut off and is lacked
The plate of regular sections is processed in sunken position, trimming, obtains the cold-reduced sheet of 2mm thickness；
(8) cold-reduced sheet is carried out at solid solution with the ramp of 10 DEG C/min in vacuum furnace to 1100 DEG C of insulation 1h
Reason, vacuum is 5 × 10-3Pa, then cooling to 600 DEG C of insulation 20h with the furnace carries out Ageing Treatment, subsequently using cold with stove argon filling
But mode is down to room temperature.Alloy is cleaned, the V-Cr-Ti sheet alloy finished products of 2mm thickness are finally given.
Sheath material is 1Cr18Ni9Ti in the present embodiment, and thickness is 3mm；Jacket internal structure is, blank is received up and down
1mm thickness graphite heat conducting pads are accompanied between power end face and jacket face, alumina silicate fibre is filled between blank side and jacket wall
Felt.
The roller diameter of duo mill is 350mm in the present embodiment.
Room temperature tensile Mechanics Performance Testing is pressed GB/T228.1-2010 samplings and is tested, and sample marking distance is 17mm, and thickness is
2mm, measures on electronic universal tester.Yield strength is 393MPa, and tensile strength is 510MPa, and elongation is 34%, is broken
Face shrinkage factor is about 71%.
Embodiment 2
(1) percentage by weight constituted according to the raw material of alloy sheets, prepares V 90%, Cr 5.3%, Ti 4.6%, surplus
For the inevitable impurity of gross mass≤0.5%；
(2) V-5.3wt%Cr-4.6wt%Ti is obtained using+three water jacketed copper crucible vacuum induction meltings of Ca thermal reductions
Alloy cast ingot, ingot casting is put in vacuum furnace and is incubated 1h to after 1100 DEG C with the ramp of 10 DEG C/min, vacuum in stove
Spend for 5 × 10-3Pa, after insulation terminates, vacuum along with the furnace cooling；
(3) cylindrical blank and chamfering of 40mm thickness are cut on the ingot casting after vacuum annealing process, is put after polished surface
Enter jacket to be placed in vacuum furnace, be evacuated to 5 × 10-3Pa, then with the ramp of 10 DEG C/min to 800 DEG C, protects
Warm time 1h；After insulation terminates, by jacket seal welding, alloy forging jacket body is obtained.
(4) alloy forging jacket body is incubated with the ramp of 10 DEG C/min in chamber type electric resistance furnace to after 1250 DEG C
100min, then carries out hammer cogging on 1～3 ton of pneumatic hammer, and starting forging temperature is 1200 DEG C, and final forging temperature is 1050 DEG C, road
Secondary deflection is 10%, and total deformation is 40%, and it is 30min to be incubated with stove between passage.Enter to forging jacket body after the completion of forging
Row Water Quenching is down to room temperature and removes jacket, is cleaned alloy and is cut off the rejected regions such as micro-crack, trimming processing rectangularity
Or the hot rolling slab of square sectional；
(5) hot rolling slab is put into into jacket to be placed in vacuum furnace, is evacuated to 5 × 10-3Pa, then with 10
DEG C/ramp of min to 800 DEG C, temperature retention time 1h；After insulation terminates, by jacket seal welding, alloy hot rolling jacket is obtained
Body.Hot rolling jacket body is put in chamber type electric resistance furnace, with the ramp of 10 DEG C/min to 1150 DEG C, and 100min is incubated, so
Carry out hot rolling on duo mill afterwards, start rolling temperature is 1100 DEG C, and finishing temperature is 1000 DEG C, and mill speed is 2.2m/
Min, pass deformation is 10%, and it is 30min to be incubated with stove between passage, and total deformation reaches specific thicknesses more than 70%.Hot rolling is complete
Carry out Water Quenching and be down to room temperature and remove jacket to rolling jacket body into rear, cleaning alloy simultaneously cuts off the defective parts such as micro-crack
The slab of regular sections is processed in position, trimming；
(6) slab is carried out into vacuum to 1000 DEG C of insulation 1h with the ramp of 10 DEG C/min in vacuum furnace to move back
Fire is processed, and vacuum is 5 × 10-3Pa, then cools to room temperature with the furnace, and acquisition is cold rolling to use slab；
(7) under air at room temperature atmospheric condition, cold rolling processing, mill speed are carried out with slab to cold rolling using duo mill
For 2.2m/min, pass deformation is successively decreased by 10%, and total deformation reaches 80%.Alloy is cleaned after the completion of cold rolling and fine fisssure is cut off
The plate of regular sections is processed in the rejected regions such as line, trimming, obtains the cold-reduced sheet of 1.5mm thickness；
(8) cold-reduced sheet is carried out at solid solution with the ramp of 10 DEG C/min in vacuum furnace to 1100 DEG C of insulation 1h
Reason, vacuum is 5 × 10-3Pa, then cooling to 650 DEG C of insulation 20h with the furnace carries out Ageing Treatment, subsequently using cold with stove argon filling
But mode is down to room temperature.Alloy is cleaned, the V-Cr-Ti sheet alloy finished products of 1.5mm thickness are finally given.
Sheath material is TA1 Titanium boards in the present embodiment, and thickness is 5mm；Jacket internal structure is, the bearing up-down force of blank
1mm thickness graphite heat conducting pads are accompanied between end face and jacket face, alumina silicate fiber felt is filled between blank side and jacket wall.
The roller diameter of duo mill is 350mm in the present embodiment.
Room temperature tensile Mechanics Performance Testing is pressed GB/T228.1-2010 samplings and is tested, and sample marking distance is 17mm, and thickness is
1.5mm, measures on electronic universal tester.Yield strength is 390MPa, and tensile strength is 502MPa, and elongation is 36%,
The contraction percentage of area is about 75%.
Embodiment 3
(1) percentage by weight constituted according to the raw material of alloy sheets, prepares V 90%, Cr 4.6%, Ti 5.2%, surplus
For the inevitable impurity of gross mass≤0.5%；
(2) using Ca thermal reductions+V-4.6wt%Cr-5.2wt%Ti of water jacketed copper crucible vacuum induction melting acquisition twice
Alloy cast ingot, ingot casting is put in vacuum furnace and is incubated 1h to after 1100 DEG C with the ramp of 15 DEG C/min, vacuum in stove
Spend for 5 × 10-3Pa, after insulation terminates, vacuum along with the furnace cooling；
(3) cylindrical blank and chamfering of 50mm thickness are cut on the ingot casting after vacuum annealing process, is put after polished surface
Enter jacket to be placed in vacuum furnace, be evacuated to 5 × 10-3Pa, then with the ramp of 10 DEG C/min to 850 DEG C, protects
Warm time 1h；After insulation terminates, by jacket seal welding, alloy forging jacket body is obtained.
(4) alloy forging jacket body is incubated with the ramp of 15 DEG C/min in chamber type electric resistance furnace to after 1250 DEG C
100min, then carries out hammer cogging on 1～3 ton of pneumatic hammer, and starting forging temperature is 1200 DEG C, and final forging temperature is 1050 DEG C, road
Secondary deflection is 10%, and total deformation is 40%, and it is 30min to be incubated with stove between passage.Enter to forging jacket body after the completion of forging
Row Water Quenching is down to room temperature and removes jacket, is cleaned alloy and is cut off the rejected regions such as micro-crack, trimming processing rectangularity
Or the hot rolling slab of square sectional；
(5) hot rolling slab is put into into jacket to be placed in vacuum furnace, is evacuated to 5 × 10-3Pa, then with 10
DEG C/ramp of min to 800 DEG C, temperature retention time 1h；After insulation terminates, by jacket seal welding, alloy hot rolling jacket is obtained
Body.Hot rolling jacket body is put in chamber type electric resistance furnace, with the ramp of 10 DEG C/min to 1150 DEG C, and 100min is incubated, so
Carry out hot rolling on duo mill afterwards, start rolling temperature is 1100 DEG C, and finishing temperature is 1000 DEG C, and mill speed is 2.2m/
Min, pass deformation is 10%, and it is 30min to be incubated with stove between passage, and total deformation reaches specific thicknesses more than 70%.Hot rolling is complete
Carry out Water Quenching and be down to room temperature and remove jacket to rolling jacket body into rear, cleaning alloy simultaneously cuts off the defective parts such as micro-crack
The slab of regular sections is processed in position, trimming；
(6) slab is carried out into vacuum to 1000 DEG C of insulation 1h with the ramp of 10 DEG C/min in vacuum furnace to move back
Fire is processed, and vacuum is 5 × 10-3Pa, then cools to room temperature with the furnace, and acquisition is cold rolling to use slab.；
(7) under air at room temperature atmospheric condition, cold rolling processing, mill speed are carried out with slab to cold rolling using duo mill
For 2.2m/min, pass deformation successively decreases for 10%, and total deformation reaches 80%.Alloy is cleaned after the completion of cold rolling and fine fisssure is cut off
The plate of regular sections is processed in the rejected regions such as line, trimming, obtains the cold-reduced sheet of 1.8mm thickness；
(8) cold-reduced sheet is carried out at solid solution with the ramp of 10 DEG C/min in vacuum furnace to 1100 DEG C of insulation 1h
Reason, vacuum is 5 × 10-3Pa, then cooling to 650 DEG C of insulation 20h with the furnace carries out Ageing Treatment, subsequently using cold with stove argon filling
But mode is down to room temperature.Alloy is cleaned, the V-Cr-Ti sheet alloy finished products of 1.8mm thickness are finally given.
The present embodiment sheath material is 1Cr18Ni9Ti, and thickness is 5mm；Jacket internal structure is, the bearing up-down force of blank
1mm thickness graphite heat conducting pads are accompanied between end face and jacket face, alumina silicate fiber felt is filled between blank side and jacket wall.
The roller diameter of duo mill is 350mm in the present embodiment.
Room temperature tensile Mechanics Performance Testing is pressed GB/T228.1-2010 samplings and is tested, and sample marking distance is 17mm, and thickness is
1.8mm, measures on electronic universal tester.Yield strength is 402MPa, and tensile strength is 520MPa, and elongation is 28%,
The contraction percentage of area is about 65%.
Embodiment 4
(1) percentage by weight constituted according to the raw material of alloy sheets, prepares V 88%, Cr 5.9%, Ti 6%, balance of
The inevitable impurity of gross mass≤0.5%；
(2) closed using Ca thermal reductions+V-5.9wt%Cr-6wt%Ti of water jacketed copper crucible vacuum induction melting acquisition twice
Golden ingot casting, ingot casting is put in vacuum furnace and is incubated 1h to after 1100 DEG C with the ramp of 15 DEG C/min, vacuum in stove
For 5 × 10-3Pa, after insulation terminates, vacuum along with the furnace cooling；
(3) cylindrical blank and chamfering of 40mm thickness are cut on the ingot casting after vacuum annealing process, is put after polished surface
Enter jacket to be placed in vacuum furnace, be evacuated to 5 × 10-3Pa, then with the ramp of 15 DEG C/min to 800 DEG C, protects
Warm time 1h；After insulation terminates, by jacket seal welding, alloy forging jacket body is obtained.
(4) alloy forging jacket body is incubated with the ramp of 15 DEG C/min in chamber type electric resistance furnace to after 1200 DEG C
150min, then carries out hammer cogging on 1～3 ton of pneumatic hammer, and starting forging temperature is 1150 DEG C, and final forging temperature is 1050 DEG C, road
Secondary deflection is 10%, and total deformation is 50%, and it is 30min to be incubated with stove between passage.Enter to forging jacket body after the completion of forging
Row Water Quenching is down to room temperature and removes jacket, is cleaned alloy and is cut off the rejected regions such as micro-crack, trimming processing rectangularity
Or the hot rolling slab of square sectional；
(5) hot rolling slab is put into into jacket to be placed in vacuum furnace, is evacuated to 5 × 10-3Pa, then with 15
DEG C/ramp of min to 800 DEG C, temperature retention time 1h；After insulation terminates, by jacket seal welding, alloy hot rolling jacket is obtained
Body.Hot rolling jacket body is put in chamber type electric resistance furnace, with the ramp of 15 DEG C/min to 1100 DEG C, and 100min is incubated, so
Carry out hot rolling on duo mill afterwards, start rolling temperature is 1100 DEG C, and finishing temperature is 1000 DEG C, and mill speed is 2m/
Min, pass deformation is 10%, and it is 30min to be incubated with stove between passage, and total deformation reaches specific thicknesses more than 60%.Hot rolling is complete
Carry out Water Quenching and be down to room temperature and remove jacket to rolling jacket body into rear, cleaning alloy simultaneously cuts off the defective parts such as micro-crack
The slab of regular sections is processed in position, trimming；
(6) slab is carried out into vacuum to 1000 DEG C of insulation 1h with the ramp of 15 DEG C/min in vacuum furnace to move back
Fire is processed, and vacuum is 5 × 10-3Pa, then cools to room temperature with the furnace, and acquisition is cold rolling to use slab.；
(7) under air at room temperature atmospheric condition, cold rolling processing, mill speed are carried out with slab to cold rolling using duo mill
For 2m/min, pass deformation is 8%, and total deformation reaches 70%.Alloy is cleaned after the completion of cold rolling and micro-crack etc. is cut off and is lacked
The plate of regular sections is processed in sunken position, trimming, obtains the cold-reduced sheet of 2.5mm thickness；
(8) cold-reduced sheet is carried out at solid solution with the ramp of 10 DEG C/min in vacuum furnace to 1100 DEG C of insulation 1h
Reason, vacuum is 5 × 10-3Pa, then cooling to 600 DEG C of insulation 20h with the furnace carries out Ageing Treatment, subsequently using cold with stove argon filling
But mode is down to room temperature.Alloy is cleaned, the V-Cr-Ti sheet alloy finished products of 2.5mm thickness are finally given.
Sheath material is TC4 titanium alloys in the present embodiment, and thickness is 5mm；Jacket internal structure is, the bearing up-down force of blank
1mm thickness graphite heat conducting pads are accompanied between end face and jacket face, alumina silicate fiber felt is filled between blank side and jacket wall.
The roller diameter of duo mill is 350mm in the present embodiment.
Room temperature tensile Mechanics Performance Testing is pressed GB/T228.1-2010 samplings and is tested, and sample marking distance is 17mm, and thickness is
2.5mm, measures on electronic universal tester.Yield strength is 400MPa, and tensile strength is 515MPa, and elongation is 30%,
The contraction percentage of area is about 67%.
Claims (6)
1. a kind of preparation method of vanadium chromium titanium alloy sheet, it is characterised in that：Comprise the following steps：
A, the percentage by weight constituted according to the raw material of alloy sheets, preparation V 88～94%, Cr 2.9～6%, Ti 2.6～
6%, the inevitable impurity of balance of gross mass≤0.5%；Wherein, the impurity element Ni, Mo, Nb, Cu, Al, Fe, Si,
Gross mass≤0.5% of P, W, Zr, S, N, C, O；
B, the ready raw material of a steps is obtained into V-Cr-Ti alloy crude products, under vacuum conditions melting using metallothermic processes
Into the V-Cr-Ti alloy cast ingots that standard is required, in a vacuum furnace with the ramp of 3～20 DEG C/min to 1000～1350 DEG C,
0.5～8h of insulation, under vacuum room temperature is cooled to the furnace；
Blank is cut on c, the ingot casting after b step cooling, chamfering, polishing is put into jacket, and jacket is vacuumized, with 3～20
DEG C/ramp of min to 750～850 DEG C, after 1～3h of insulation, by jacket seal welding, obtain alloy forging jacket body；
D, the alloy forging jacket body for obtaining step c in resistance furnace with the ramp of 5～20 DEG C/min to 1050～
1350 DEG C, after 0.5～4h of insulation, hammer cogging is carried out on 1～3 ton of pneumatic hammer, water quenching is down to room temperature and removes jacket, clearly
Wash, process the hot rolling slab of rectangularity or square sectional；
Wherein, the starting forging temperature of hammer cogging is 1050～1350 DEG C, and final forging temperature is 1000～1300 DEG C, and pass deformation is
5～20%, total deformation is 40～80%, and it is 1～30min to be incubated with stove between passage；
E, the hot rolling slab for obtaining Step d are obtained hot rolling jacket body according to the method that step c manufactures alloy forging jacket body,
With the ramp of 5～20 DEG C/min to 1050～1350 DEG C in resistance furnace, 0.5～4h, hot rolling, water quenching, drop are incubated
To room temperature and jacket is removed, cleaned, the slab of regular sections is processed in trimming；
Wherein, the start rolling temperature of hot rolling is 1050～1350 DEG C, and finishing temperature is 1000～1300 DEG C, and mill speed is
0.1～5m/min, pass deformation is 2～20%, and total deformation is 40～80%, and it is 1～30min to be incubated with stove between passage；
F, the slab for obtaining step e are incubated 0.5 in a vacuum furnace with the ramp of 5～20 DEG C/min to 900～1250 DEG C
～4h, vacuum annealing cools to room temperature with the furnace, obtains cold rolling using slab；
G, the cold rolling use slab for obtaining f steps carry out cold rolling processing under air at room temperature atmosphere, it is cold rolling after the completion of cleaning close
The cold-reduced sheet of the specific thicknesses of rule is processed in gold, trimming；
Wherein, the mill speed of cold rolling processing be 0.1～5m/min, pass deformation be 1～10%, total deformation be 40～
95%；
H, the cold-reduced sheet for obtaining g steps are incubated in a vacuum furnace with the ramp of 5～20 DEG C/min to 900～1250 DEG C
Solution treatment after 0.5～4h, cools to 500～850 DEG C with the furnace, Ageing Treatment is carried out after 1～24h of insulation, subsequently with stove argon filling
Room temperature is cooled to, is cleaned, obtained final product；
The thickness of the alloy sheets be 0.5～10mm, yield strength >=390MPa, tensile strength >=500MPa, elongation >=
28%, the contraction percentage of area >=65%.
2. the preparation method of vanadium chromium titanium alloy sheet according to claim 1, it is characterised in that：Metallothermic processes in b step
Middle reducing agent is at least one in Ca, Mg, and regulator is Ti, TiO2In at least one.
3. the preparation method of vanadium chromium titanium alloy sheet according to claim 1, it is characterised in that：In b step under vacuum conditions
Melting is referred to using water jacketed copper crucible vacuum induction melting.
4. the preparation method of vanadium chromium titanium alloy sheet according to claim 1, it is characterised in that：Vacuum under vacuum condition is equal
For 3 × 10-3～10 × 10-3Pa。
5. the preparation method of vanadium chromium titanium alloy sheet according to claim 1, it is characterised in that：The material of jacket is
One kind in the pure titanium of 1Cr18Ni9Ti stainless steels, TA1 or TC4 titanium alloys, thickness is 1～20mm.
6. the preparation method of vanadium chromium titanium alloy sheet according to claim 5, it is characterised in that：The internal structure of jacket is：Base
Graphite heat conducting pad is accompanied between the bearing up-down force end face of material and jacket face, alumina silicate is filled between blank side and jacket wall
Fibrofelt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522020.XA CN105154737B (en) | 2015-08-24 | 2015-08-24 | Vanadium, chrome and titanium alloy plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522020.XA CN105154737B (en) | 2015-08-24 | 2015-08-24 | Vanadium, chrome and titanium alloy plate and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105154737A CN105154737A (en) | 2015-12-16 |
| CN105154737B true CN105154737B (en) | 2017-04-26 |
Family
ID=54795776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510522020.XA Active CN105154737B (en) | 2015-08-24 | 2015-08-24 | Vanadium, chrome and titanium alloy plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105154737B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506428B (en) * | 2016-02-03 | 2018-02-02 | 中国工程物理研究院材料研究所 | A kind of preparation method of the vanadium alloy of anti-helium ion sputtering |
| CN106756375B (en) * | 2017-01-03 | 2018-05-18 | 北京科技大学 | A kind of vanadium alloy composite material and preparation method thereof |
| CN109128102B (en) * | 2018-07-19 | 2019-06-28 | 钢铁研究总院 | A kind of high strength and high flexibility nickel base superalloy band and preparation method thereof |
| CN110144475B (en) * | 2019-05-30 | 2020-11-20 | 宝钛集团有限公司 | Preparation method of thin plate for pure nickel plate type heat exchanger plate |
| CN112605388B (en) * | 2020-11-30 | 2023-04-07 | 湖南三泰新材料股份有限公司 | Preparation method of high-chromium cast iron alloy composite roller |
| CN113481393A (en) * | 2020-12-09 | 2021-10-08 | 中国工程物理研究院材料研究所 | Vanadium-chromium-titanium alloy and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422039A (en) * | 2012-05-22 | 2013-12-04 | 核工业西南物理研究院 | Method for reinforcing V-4Cr-4Ti alloy |
| CN102776457A (en) * | 2012-07-30 | 2012-11-14 | 四川材料与工艺研究所 | Method for improving comprehensive mechanical properties of vanadium, chromium and titanium alloy prepared by powder metallurgy by die forging technology |
| CN103009008A (en) * | 2012-12-25 | 2013-04-03 | 中国兵器科学研究院宁波分院 | Manufacturing process of V-Cr-Ti alloy super-hemispherical shell |
| RU2534710C1 (en) * | 2013-05-14 | 2014-12-10 | Федеральное государственное бюджетное учреждение "Национальный исследовательский центр "Курчатовский институт" | Multi-layered coating for structural materials |
| CN104233142A (en) * | 2013-06-13 | 2014-12-24 | 无锡市森信精密机械厂 | Preparation method for V-5Cr-5Ti rolled sheet |
-
2015
- 2015-08-24 CN CN201510522020.XA patent/CN105154737B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105154737A (en) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105154737B (en) | Vanadium, chrome and titanium alloy plate and preparation method thereof | |
| CN102513479B (en) | Production process for large-diameter fine isometric crystal tissue titanium alloy bar | |
| CN103801581B (en) | A kind of high-niobium TiAl-base alloy preparation of plates method | |
| CN106636740B (en) | The method that TiAl alloy sheet material is prepared without jacket | |
| CN106435249B (en) | A kind of multicomponent microalloying copper alloy with high strength and high conductivity and its preparation process | |
| CN102094136B (en) | Pure titanium wire for spectacle frame and manufacturing method thereof | |
| CN108456799B (en) | A kind of high-performance copper ferroalloy materials and its electroslag remelting preparation method | |
| CN101886215B (en) | Short-flow high-efficiency preparation method of thin high-silicon electrical steel strip | |
| CN105154738B (en) | Vanadium, chrome and titanium alloy plate and preparation method thereof | |
| CN107475653B (en) | A kind of preparation method of 3C Product TC4 titanium alloy plate | |
| CN107012370A (en) | High-performance 1230A alloy lithium ion battery aluminium foils and preparation method thereof | |
| CN101935776B (en) | Beta titanium alloy material and preparation method thereof | |
| CN103998629A (en) | High silicon steel sheet having excellent productivity and magnetic properties and method for manufacturing same | |
| CN114161028B (en) | Processing method for improving performance of titanium alloy welding wire | |
| CN107739998A (en) | A kind of preparation method of flat cold-rolled sheet | |
| CN104525948B (en) | A kind of preparation method of molybdenum alloy electrode | |
| CN109338131A (en) | A kind of preparation method of new energy resource power battery tab aluminium strip material | |
| CN104722687A (en) | Forging method for 55NiCrMoV7 die steel | |
| CN105603258B (en) | A kind of high intensity zircaloy and preparation method | |
| CN102719698B (en) | CuNiSiMg alloy material and preparation method thereof as well as method for preparing strip using alloy material | |
| CN104451273A (en) | Method for producing aluminum wafers through cast rolling | |
| WO2024093998A1 (en) | Niobium-titanium alloy precision strip and manufacturing method therefor | |
| CN110592430B (en) | TiAl alloy plate thermo-electric coupling non-sheath preparation method | |
| CN101824570B (en) | AZ series magnesium-beryllium rare earth alloy material and method for preparing same | |
| CN110144475A (en) | A kind of preparation method of pure nickel plate-type heat exchanger slab thin plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |