CN105154738A - Vanadium, chrome and titanium alloy plate and preparation method thereof - Google Patents
Vanadium, chrome and titanium alloy plate and preparation method thereof Download PDFInfo
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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 percentage, 75-94% of V, 2.9-15% of Cr, 2.6-10% of Ti and the balanced inevitable impurities not more than 0.5%. The vanadium, chrome and titanium alloy plate is prepared by sequentially conducting ingot casting homogenizing annealing, canned hammer cogging, canned hot rolling, cold rolling, solid solution and aging treatment, argon filling cooling following a furnace and other procedures with smelting cast ingots 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 vanadium chromium titanium alloy sheet and preparation method thereof, belong to plastic forming of metals technical field.
Background technology
Vanadium chromium titanium alloy has best over-all properties because of it, as low-activity, the low disintegration heat of long-term stability, and recoverable; Flouride-resistani acid phesphatase swelling, temperature can reach the thermotolerance of 850 DEG C, high thermal conductance, low-thermal-expansion, low thermal stress, high temperature are suitable for the limit, in liquid lithium loop, have good consistency, and good processability, thin slice can be rolled into, be extruded into tubulose, weldability is good, and being known as in the industry is the low activatable structural material of first-selection that first wall/involucrum is piled in thermonuclear fusion.
Since the sixties in 20th century, just start preparation and the basic research work of vanadium alloy abroad.Current preparation method mainly contains electron beam melting, vacuum self-consumption electrode arc melting, magnetic levitation melting and powder metallurgy.The U.S. adopts the duplex method of electron beam melting+vacuum self-consumption electrode arc melting, has prepared the V-5Cr-5Ti alloy cast ingot of 1200kg, and has applied it in DIII-DTokamak device in 1996.Subsequently, China starts to research and develop emphatically this type of alloy, and main preparation methods is vacuum self-consumption electrode arc melting and magnetic levitation melting, but still is in the laboratory study stage; Also have and adopt electron beam melting method to carry out melting, but have no open report.
For this sensitive alloy material of V-Cr-Ti alloy, though there are research in some scientific research institutions in the world, achievement in research majority is in confidential state, about the rarely seen report of detailed machined parameters of this alloy.China about the technology of preparing of such alloy and theoretical investigation starting more late, scale less (tens grams ~ 100 kilograms) and system not, mainly carry out research test in the lab, and achievement in research report is seldom.
Adopt vacuum self-consumption electrode arc melting method can realize the scale production of V-Cr-Ti alloy, and by the controllable process means such as forging, rolling, thermal treatment, can prepare that crystal grain is tiny, uniform composition, surface quality are good, the V-Cr-Ti sheet alloy of excellent performance.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind ofly has that crystal grain is tiny, uniform composition, surface quality are good, the vanadium chromium titanium alloy sheet of excellent performance.
Vanadium chromium titanium alloy sheet of the present invention, is made up of following weight percent composition: V75 ~ 94%, Cr2.9 ~ 15%, Ti2.6 ~ 10%, and surplus is inevitable impurity; Wherein, total mass≤0.5% of described impurity element Ni, Mo, Nb, Cu, Al, Fe, Si, P, W, Zr, S, N, C, O.
Further, as preferred technical scheme, vanadium chromium titanium alloy sheet described above, is made up of following weight percent composition: V80 ~ 89%, Cr6 ~ 10%, Ti4.5 ~ 8%, and surplus is inevitable impurity.
Vanadium chromium titanium alloy sheet yield strength >=390MPa described above, tensile strength >=500MPa, elongation >=25%, relative reduction in area >=65%.
The thickness of vanadium chromium titanium alloy sheet described above is 0.5 ~ 6mm.
Second technical problem to be solved by this invention is to provide a kind of preparation method of vanadium chromium titanium alloy sheet, be specially provide a kind of with melting ingot casting for blank, successively carry out the operational path of ingot homogenization annealing, canned forging cogging, jacket hot rolling, cold rolling and solid solution+ageing treatment+prepare with operations such as stove argon filling coolings vanadium chromium titanium alloy plate.
The preparation method of vanadium chromium titanium alloy sheet of the present invention, comprises the following steps:
A, the weight percent formed according to the raw material of alloy sheets, prepare V75 ~ 94%, Cr2.9 ~ 15%, Ti2.6 ~ 10%, and surplus is total mass≤0.5% inevitably impurity;
B, by ready for a step raw material melting, obtain V-(2.9 ~ 15wt%) Cr-(2.6 ~ 10wt%) Ti alloy cast ingot, in a vacuum furnace with ramp to 1000 ~ 1350 DEG C of 3 ~ 20 DEG C/min, insulation 0.5 ~ 8h, cools to room temperature with the furnace under vacuum;
This step obtains alloy cast ingot by after alloy raw material melting, thermal treatment in vacuum furnace, can eliminate casting stress and make uniform texture;
C, on the cooled ingot casting of b step, cut blank, chamfering, polishing, puts into jacket, and vacuumizes jacket, with ramp to 750 ~ 850 DEG C of 3 ~ 20 DEG C/min, after insulation 1 ~ 3h, by jacket seal welding, obtains alloy forging jacket body;
In this step, jacket is vacuumized, and by jacket seal welding, obtaining alloy forging jacket body, is to realize the protection against oxidation of this alloy in hot forging process;
D, alloy forging jacket body that step c is obtained in resistance furnace with ramp to 1050 ~ 1350 DEG C of 5 ~ 20 DEG C/min, after insulation 0.5 ~ 4h, 1 ~ 3 ton of air hammer carries out hammer cogging, shrend, be down to room temperature and remove jacket, cleaning, is processed into the hot rolling slab of rectangle or square sectional;
Wherein, hammer cogging open forging temperature be 1050 ~ 1350 DEG C, final forging temperature is 1000 ~ 1300 DEG C, and pass deformation is 5 ~ 20%, and total deformation is 40 ~ 80%, between passage with stove insulation be 1 ~ 30min;
E, hot rolling slab Step d obtained obtain hot rolling jacket body according to the method for step c alloying forging jacket body, put into jacket and insert vacuum furnace, be evacuated to 3 ~ 10 × 10 by hot rolling slab
-3pa, then with ramp to 750 ~ 850 DEG C of 3 ~ 20 DEG C/min, soaking time 1 ~ 3h; After insulation terminates, by jacket seal welding, obtain alloy hot rolling jacket body, to realize this alloy protection against oxidation in the hot rolling; Again in resistance furnace with ramp to 1050 ~ 1350 DEG C of 5 ~ 20 DEG C/min, be incubated 0.5 ~ 4h at such a temperature, then on duo mill, hot rolling is carried out, carry out Water Quenching to rolling jacket body after hot rolling completes be down to room temperature and remove jacket, cleaning alloy also excises the rejected regions such as tiny crack, and 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 roll speed is 0.1 ~ 5m/min, and pass deformation is 2 ~ 20%, and total deformation is 40 ~ 80%, and being incubated with stove between passage is 1 ~ 30min;
F, the slab that step e obtained are in a vacuum furnace with ramp to 900 ~ 1250 DEG C of 5 ~ 20 DEG C/min, and insulation 0.5 ~ 4h, vacuum annealing, vacuum tightness is 3 ~ 10 × 10
-3pa, cools to room temperature with the furnace, obtains cold rolling slab;
G, the cold rolling slab that f step obtained, under air at room temperature atmosphere, use duo mill to carry out cold rolling processing to cold rolling slab, cold rolling complete after cleaning alloy, the plate in the cross section of rule is processed in trimming, obtains the cold-reduced sheet of specific thicknesses;
Wherein, the roll 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 step obtain cold-reduced sheet in a vacuum furnace with ramp to 900 ~ 1250 DEG C of 5 ~ 20 DEG C/min, solution treatment after insulation 0.5 ~ 4h, cool to 500 ~ 850 DEG C with the furnace, ageing treatment is carried out after insulation 1 ~ 24h, adopt subsequently and be down to room temperature with the stove argon filling type of cooling, cleaning, to obtain final product.
The preparation method of vanadium chromium titanium alloy sheet described above, carries out melting to raw material in wherein said b step and selects in vacuum consumable arc-melting stove, electron beam melting furnace or induction suspending stove a kind of.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein vacuumizes jacket or vacuum tightness in vacuum oven is 3 ~ 10 × 10
-3pa.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, the material of described jacket is the one in 1Cr18Ni9Ti stainless steel, the pure titanium of TA1 or TC4 titanium alloy, and thickness is 1 ~ 20mm; Its internal structure is: accompany graphite heat conducting pad between the bearing up-down force end face of blank and jacket face, be filled with alumina silicate fiber felt between blank side and jacket wall.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, described cleaning is cleaning alloy excise the rejected regions such as tiny crack, makes the alloy surface that obtains more regular, more complete.
Vanadium chromium titanium alloy sheet of the present invention and preparation method thereof has following beneficial effect:
(1) the V-Cr-Ti sheet alloy crystal grain of the present invention's acquisition is tiny, uniform composition, surface quality are good, excellent performance;
(2) the present invention prepares the method for vanadium chromium titanium alloy sheet, adopt vacuum canning, thermal treatment obtains alloy forging jacket body, achieve the protection against oxidation of this alloy in hot forging process, and jacket internal structure uses resistant to elevated temperatures alumina silicate fiber felt to be filled in jacket is incubated stock side, effect is better; The Graphite pad using thermal conductivity high between the bearing up-down force end face of blank and jacket face, is conducive to blank end face heat temperature raising and homogeneous temperature, also serves the effect of end face friction, lubrication in pressing process, reduces finished surface crackle odds.
Accompanying drawing explanation
Fig. 1 is the project organization schematic diagram of jacket: 1 is alloy billet, and 2 is alumina silicate fiber felt, and 3 is jacket, and 4 is Graphite pad.
Embodiment
Vanadium chromium titanium alloy sheet of the present invention, is made up of following weight percent composition: V75 ~ 94%, Cr2.9 ~ 15%, Ti2.6 ~ 10%, and surplus is inevitable impurity; Wherein, total mass≤0.5% of described impurity element Ni, Mo, Nb, Cu, Al, Fe, Si, P, W, Zr, S, N, C, O.
Further, as preferred technical scheme, vanadium chromium titanium alloy sheet described above, is made up of following weight percent composition: V80 ~ 89%, Cr6 ~ 10%, Ti4.5 ~ 8%, and surplus is inevitable impurity.
Vanadium chromium titanium alloy sheet yield strength >=390MPa described above, tensile strength >=500MPa, elongation >=25%, relative reduction in area >=65%.
The thickness of vanadium chromium titanium alloy sheet described above is 0.5 ~ 6mm.
Second technical problem to be solved by this invention is to provide a kind of preparation method of vanadium chromium titanium alloy sheet, be specially provide a kind of with melting ingot casting for blank, successively carry out the operational path of ingot homogenization annealing, canned forging cogging, jacket hot rolling, cold rolling and solid solution+ageing treatment+prepare with operations such as stove argon filling coolings vanadium chromium titanium alloy plate.
The preparation method of vanadium chromium titanium alloy sheet of the present invention, comprises the following steps:
A, the weight percent formed according to the raw material of alloy sheets, prepare V75 ~ 94%, Cr2.9 ~ 15%, Ti2.6 ~ 10%, and surplus is total mass≤0.5% inevitably impurity;
B, by ready for a step raw material melting, obtain V-(2.9 ~ 15wt%) Cr-(2.6 ~ 10wt%) Ti alloy cast ingot, in a vacuum furnace with ramp to 1000 ~ 1350 DEG C of 3 ~ 20 DEG C/min, insulation 0.5 ~ 8h, cools to room temperature with the furnace under vacuum;
This step obtains alloy cast ingot by after alloy raw material melting, thermal treatment in vacuum furnace, can eliminate casting stress and make uniform texture;
C, on the cooled ingot casting of b step, cut blank, chamfering, polishing, puts into jacket, and vacuumizes jacket, with ramp to 750 ~ 850 DEG C of 3 ~ 20 DEG C/min, after insulation 1 ~ 3h, by jacket seal welding, obtains alloy forging jacket body;
In this step, jacket is vacuumized, and by jacket seal welding, obtaining alloy forging jacket body, is to realize the protection against oxidation of this alloy in hot forging process;
D, alloy forging jacket body that step c is obtained in resistance furnace with ramp to 1050 ~ 1350 DEG C of 5 ~ 20 DEG C/min, after insulation 0.5 ~ 4h, 1 ~ 3 ton of air hammer carries out hammer cogging, shrend, be down to room temperature and remove jacket, cleaning, is processed into the hot rolling slab of rectangle or square sectional;
Wherein, hammer cogging open forging temperature be 1050 ~ 1350 DEG C, final forging temperature is 1000 ~ 1300 DEG C, and pass deformation is 5 ~ 20%, and total deformation is 40 ~ 80%, between passage with stove insulation be 1 ~ 30min;
E, hot rolling slab Step d obtained obtain hot rolling jacket body according to the method for step c alloying forging jacket body, put into jacket and insert vacuum furnace, be evacuated to 3 ~ 10 × 10 by hot rolling slab
-3pa, then with ramp to 750 ~ 850 DEG C of 3 ~ 20 DEG C/min, soaking time 1 ~ 3h; After insulation terminates, by jacket seal welding, obtain alloy hot rolling jacket body, to realize this alloy protection against oxidation in the hot rolling; Again in resistance furnace with ramp to 1050 ~ 1350 DEG C of 5 ~ 20 DEG C/min, be incubated 0.5 ~ 4h at such a temperature, then on duo mill, hot rolling is carried out, carry out Water Quenching to rolling jacket body after hot rolling completes be down to room temperature and remove jacket, cleaning alloy also excises the rejected regions such as tiny crack, and 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 roll speed is 0.1 ~ 5m/min, and pass deformation is 2 ~ 20%, and total deformation is 40 ~ 80%, and being incubated with stove between passage is 1 ~ 30min;
F, the slab that step e obtained are in a vacuum furnace with ramp to 900 ~ 1250 DEG C of 5 ~ 20 DEG C/min, and insulation 0.5 ~ 4h, vacuum annealing, vacuum tightness is 3 ~ 10 × 10
-3pa, cools to room temperature with the furnace, obtains cold rolling slab;
G, the cold rolling slab that f step obtained, under air at room temperature atmosphere, use duo mill to carry out cold rolling processing to cold rolling slab, cold rolling complete after cleaning alloy, the plate in the cross section of rule is processed in trimming, obtains the cold-reduced sheet of specific thicknesses;
Wherein, the roll 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 step obtain cold-reduced sheet in a vacuum furnace with ramp to 900 ~ 1250 DEG C of 5 ~ 20 DEG C/min, solution treatment after insulation 0.5 ~ 4h, cool to 500 ~ 850 DEG C with the furnace, ageing treatment is carried out after insulation 1 ~ 24h, adopt subsequently and be down to room temperature with the stove argon filling type of cooling, cleaning, to obtain final product.
The preparation method of vanadium chromium titanium alloy sheet described above, carries out melting to raw material in wherein said b step and selects in vacuum consumable arc-melting stove, electron beam melting furnace or induction suspending stove a kind of.
The preparation method of vanadium chromium titanium alloy sheet described above, wherein vacuumizes jacket or vacuum tightness in vacuum oven is 3 ~ 10 × 10
-3pa.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, the material of described jacket is the one in 1Cr18Ni9Ti stainless steel, the pure titanium of TA1 or TC4 titanium alloy, and thickness is 1 ~ 20mm; Its internal structure is: accompany graphite heat conducting pad between the bearing up-down force end face of blank and jacket face, be filled with alumina silicate fiber felt between blank side and jacket wall.
The preparation method of above-mentioned vanadium chromium titanium alloy sheet, described cleaning is cleaning alloy excise the rejected regions such as tiny crack, makes the alloy surface that obtains more regular, more complete.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
Embodiment 1
(1) according to the weight percent that the raw material of alloy sheets forms, prepare V89%, Cr5.9%, Ti5%, surplus is total mass≤0.5% inevitably impurity;
(2) adopt twice vacuum self-consumption electrode arc melting method to carry out alloy melting and obtain V-5.9wt%Cr-5wt%Ti alloy cast ingot, ingot casting is put into vacuum furnace and be incubated 1h with after the ramp to 1100 of 5 DEG C/min DEG C, in stove, vacuum tightness is 5 × 10
-3pa, after insulation terminates, vacuum furnace cooling;
(3) ingot casting after vacuum annealing process cuts the cylindrical blank of 50mm thickness and chamfering, put into jacket after polished surface and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 5 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy forging jacket body;
(4) alloy forging jacket body is incubated 100min with after the ramp to 1200 of 5 DEG C/min DEG C in chamber type electric resistance furnace, then on 1 ~ 3 ton of air hammer, hammer cogging is carried out, opening forging temperature is 1150 DEG C, final forging temperature is 1050 DEG C, pass deformation is 15%, total deformation is 50%, is incubated as 30min between passage with stove.Forged and carried out Water Quenching to forging jacket body and be down to room temperature and remove jacket afterwards, cleaning alloy also excises the rejected regions such as tiny crack, and the hot rolling slab of rectangle or square sectional is processed in trimming;
(5) hot rolling slab put into jacket and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 5 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy hot rolling jacket body.Hot rolling jacket body is put into chamber type electric resistance furnace, with the ramp to 1100 DEG C of 5 DEG C/min, and be incubated 80min, then on duo mill, carry out hot rolling, start rolling temperature is 1100 DEG C, and finishing temperature is 1000 DEG C, roll speed is 2m/min, pass deformation is 10%, and be incubated as 30min with stove between passage, total deformation reaches 60%.Carry out Water Quenching to rolling jacket body after hot rolling completes be down to room temperature and remove jacket, cleaning alloy also excises the rejected regions such as tiny crack, and the slab of regular sections is processed in trimming;
(6) this slab is carried out vacuum annealing process with the ramp to 1000 of a 5 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to room temperature with the furnace, obtains cold rolling slab;
(7) under air at room temperature atmospheric condition, use duo mill to carry out cold rolling processing to cold rolling slab, roll speed is 2m/min, and pass deformation is 10%, and total deformation reaches 80%.Cold rolling complete after cleaning alloy excise the rejected regions such as tiny crack, the plate of regular sections is processed in trimming, obtains the cold-reduced sheet of 2mm thickness;
(8) cold-reduced sheet is carried out solution treatment with the ramp to 1100 of a 10 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to 600 DEG C of insulation 20h with the furnace and carries out ageing treatment, adopt subsequently and be down to room temperature with the stove argon filling type of cooling.Alloy cleans, and finally obtains the V-Cr-Ti sheet alloy finished product of 2mm thickness.
The present embodiment sheath material is 1Cr18Ni9Ti, and thickness is 3mm; Jacket internal structure is, accompanies the thick graphite heat conducting pad of 1mm, be filled with alumina silicate fiber felt between blank side and jacket wall between the bearing up-down force end face of blank and jacket face.
In the present embodiment, the roller diameter of duo mill is 350mm.
GB/T228.1-2010 sampling and test are pressed in room temperature tensile Mechanics Performance Testing, and sample marking distance is 17mm, and thickness is 2mm, and electronic universal tester is measured.Yield strength is 395MPa, and tensile strength is 510MPa, and elongation is 35%, and relative reduction in area is about 70%.
Embodiment 2
(1) according to the weight percent that the raw material of alloy sheets forms, prepare V90%, Cr5%, Ti4.8%, surplus is total mass≤0.5% inevitably impurity;
(2) adopt twice vacuum self-consumption electrode arc melting method to carry out alloy melting and obtain V-5wt%Cr-4.8wt%Ti alloy cast ingot, ingot casting is put into vacuum furnace and be incubated 1h with after the ramp to 1100 of 10 DEG C/min DEG C, in stove, vacuum tightness is 5 × 10
-3pa, after insulation terminates, vacuum furnace cooling;
(3) ingot casting after vacuum annealing process cuts the cylindrical blank of 50mm thickness and chamfering, put into jacket after polished surface and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 10 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy forging jacket body;
(4) alloy forging jacket body is incubated 100min with after the ramp to 1250 of 10 DEG C/min DEG C in chamber type electric resistance furnace, then on 1 ~ 3 ton of air hammer, hammer cogging is carried out, opening forging temperature is 1200 DEG C, final forging temperature is 1050 DEG C, pass deformation is 15%, total deformation is 40%, is incubated as 30min between passage with stove.Forged and carried out Water Quenching to forging jacket body and be down to room temperature and remove jacket afterwards, cleaning alloy also excises the rejected regions such as tiny crack, and the hot rolling slab of rectangle or square sectional is processed in trimming;
(5) hot rolling slab put into jacket and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 10 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy hot rolling jacket body.Hot rolling jacket body is put into chamber type electric resistance furnace, with the ramp to 1150 DEG C of 10 DEG C/min, and be incubated 100min, then on duo mill, carry out hot rolling, start rolling temperature is 1100 DEG C, finishing temperature is 1000 DEG C, roll speed is 2.2m/min, and pass deformation is 10%, is incubated as 30min between passage with stove, total deformation, more than 60%, reaches specific thicknesses.Carry out Water Quenching to rolling jacket body after hot rolling completes be down to room temperature and remove jacket, cleaning alloy also excises the rejected regions such as tiny crack, and the slab of regular sections is processed in trimming;
(6) this slab is carried out vacuum annealing process with the ramp to 1000 of a 10 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to room temperature with the furnace, obtains cold rolling slab;
(7) under air at room temperature atmospheric condition, use duo mill to carry out cold rolling processing to cold rolling slab, roll speed is 2m/min, and pass deformation successively decreases by 10%, and total deformation reaches 60%.Cold rolling complete after cleaning alloy excise the rejected regions such as tiny crack, the plate of regular sections is processed in trimming, obtains the cold-reduced sheet of 4.8mm thickness;
(8) cold-reduced sheet is carried out solution treatment with the ramp to 1100 of a 10 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to 650 DEG C of insulation 20h with the furnace and carries out ageing treatment, adopt subsequently and be down to room temperature with the stove argon filling type of cooling.Alloy cleans, and finally obtains the V-Cr-Ti sheet alloy finished product of 4.8mm thickness.
The present embodiment sheath material is 1Cr18Ni9Ti, and thickness is 6mm; Jacket internal structure is, accompanies the thick graphite heat conducting pad of 1mm, be filled with alumina silicate fiber felt between blank side and jacket wall between the bearing up-down force end face of blank and jacket face.
In the present embodiment, the roller diameter of duo mill is 350mm.
GB/T228.1-2010 sampling and test are pressed in room temperature tensile Mechanics Performance Testing, and sample marking distance is 17mm, and thickness is 4.8mm, and electronic universal tester is measured.Yield strength is 401MPa, and tensile strength is 519MPa, and elongation is 28%, and relative reduction in area is about 65%.
Embodiment 3
(1) according to the weight percent that the raw material of alloy sheets forms, prepare V84%, Cr5.9%, Ti10%, surplus is total mass≤0.5% inevitably impurity;
(2) adopt twice vacuum self-consumption electrode arc melting method to carry out alloy melting and obtain V-5.9wt%Cr-10wt%Ti alloy cast ingot, ingot casting is put into vacuum furnace and be incubated 1h with after the ramp to 1150 of 10 DEG C/min DEG C, in stove, vacuum tightness is 5 × 10
-3pa, after insulation terminates, vacuum furnace cooling;
(3) ingot casting after vacuum annealing process cuts the cylindrical blank of 50mm thickness and chamfering, put into jacket after polished surface and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 10 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy forging jacket body;
(4) alloy forging jacket body is incubated 120min with after the ramp to 1250 of 10 DEG C/min DEG C in chamber type electric resistance furnace, then on 1 ~ 3 ton of air hammer, hammer cogging is carried out, opening forging temperature is 1200 DEG C, final forging temperature is 1050 DEG C, pass deformation is 15%, total deformation is 40%, is incubated as 30min between passage with stove.Forged and carried out Water Quenching to forging jacket body and be down to room temperature and remove jacket afterwards, cleaning alloy also excises the rejected regions such as tiny crack, and the hot rolling slab of rectangle or square sectional is processed in trimming;
(5) hot rolling slab put into jacket and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 10 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy hot rolling jacket body.Hot rolling jacket body is put into chamber type electric resistance furnace, with the ramp to 1150 DEG C of 10 DEG C/min, and be incubated 100min, then on duo mill, carry out hot rolling, start rolling temperature is 1100 DEG C, finishing temperature is 1000 DEG C, roll speed is 2.5m/min, and pass deformation is 10%, is incubated as 30min between passage with stove, total deformation, more than 60%, reaches specific thicknesses.Carry out Water Quenching to rolling jacket body after hot rolling completes be down to room temperature and remove jacket, cleaning alloy also excises the rejected regions such as tiny crack, and the slab of regular sections is processed in trimming;
(6) this slab is carried out vacuum annealing process with the ramp to 1000 of a 10 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to room temperature with the furnace, obtains cold rolling slab;
(7) under air at room temperature atmospheric condition, use duo mill to carry out cold rolling processing to cold rolling slab, roll speed is 2m/min, and pass deformation successively decreases by 10%, and total deformation reaches 75%.Cold rolling complete after cleaning alloy excise the rejected regions such as tiny crack, the plate of regular sections is processed in trimming, obtains the cold-reduced sheet of 3mm thickness;
(8) cold-reduced sheet is carried out solution treatment with the ramp to 1100 of a 10 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to 650 DEG C of insulation 20h with the furnace and carries out ageing treatment, adopt subsequently and be down to room temperature with the stove argon filling type of cooling.Alloy cleans, and finally obtains the V-Cr-Ti sheet alloy finished product of 3mm thickness.
The present embodiment sheath material is Titanium board, and thickness is 5mm; Jacket internal structure is, accompanies the thick graphite heat conducting pad of 1mm, be filled with alumina silicate fiber felt between blank side and jacket wall between the bearing up-down force end face of blank and jacket face.
In the present embodiment, the roller diameter of duo mill is 350mm.
GB/T228.1-2010 sampling and test are pressed in room temperature tensile Mechanics Performance Testing, and sample marking distance is 17mm, and thickness is 3mm, and electronic universal tester is measured.Yield strength is 396MPa, and tensile strength is 511MPa, and elongation is 30%, and relative reduction in area is about 69%.
Embodiment 4
(1) according to the weight percent that the raw material of alloy sheets forms, prepare V82%, Cr10%, Ti7.8%, surplus is total mass≤0.5% inevitably impurity;
(2) adopt twice vacuum self-consumption electrode arc melting method to carry out alloy melting and obtain V-10wt%Cr-7.8wt%Ti alloy cast ingot, ingot casting is put into vacuum furnace and be incubated 1h with after the ramp to 1150 of 5 DEG C/min DEG C, in stove, vacuum tightness is 5 × 10
-3pa, after insulation terminates, vacuum furnace cooling;
(3) ingot casting after vacuum annealing process cuts the cylindrical blank of 40mm thickness and chamfering, put into jacket after polished surface and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 5 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy forging jacket body;
(4) alloy forging jacket body is incubated 100min with after the ramp to 1200 of 5 DEG C/min DEG C in chamber type electric resistance furnace, then on 1 ~ 3 ton of air hammer, hammer cogging is carried out, opening forging temperature is 1150 DEG C, final forging temperature is 1050 DEG C, pass deformation is 15%, total deformation is 50%, is incubated as 30min between passage with stove.Forged and carried out Water Quenching to forging jacket body and be down to room temperature and remove jacket afterwards, cleaning alloy also excises the rejected regions such as tiny crack, and the hot rolling slab of rectangle or square sectional is processed in trimming;
(5) hot rolling slab put into jacket and insert vacuum furnace, being evacuated to 5 × 10
-3pa, then with the ramp to 800 DEG C of 5 DEG C/min, soaking time 1h; After insulation terminates, by jacket seal welding, obtain alloy hot rolling jacket body.Hot rolling jacket body is put into chamber type electric resistance furnace, with the ramp to 1100 DEG C of 5 DEG C/min, and be incubated 80min, then on duo mill, carry out hot rolling, start rolling temperature is 1100 DEG C, finishing temperature is 1000 DEG C, roll speed is 2m/min, and pass deformation is 10%, is incubated as 30min between passage with stove, total deformation, more than 60%, reaches specific thicknesses.Carry out Water Quenching to rolling jacket body after hot rolling completes be down to room temperature and remove jacket, cleaning alloy also excises the rejected regions such as tiny crack, and the slab of regular sections is processed in trimming;
(6) this slab is carried out vacuum annealing process with the ramp to 1000 of a 5 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to room temperature with the furnace, obtains cold rolling slab;
(7) under air at room temperature atmospheric condition, use duo mill to carry out cold rolling processing to cold rolling slab, roll speed is 2m/min, and pass deformation is 10%, and total deformation reaches 80%.Cold rolling complete after cleaning alloy excise the rejected regions such as tiny crack, the plate of regular sections is processed in trimming, obtains the cold-reduced sheet of 1.5mm thickness;
(8) cold-reduced sheet is carried out solution treatment with the ramp to 1100 of a 10 DEG C/min DEG C insulation 1h in vacuum furnace, vacuum tightness is 5 × 10
-3pa, then cools to 600 DEG C of insulation 20h with the furnace and carries out ageing treatment, adopt subsequently and be down to room temperature with the stove argon filling type of cooling.Alloy cleans, and finally obtains the V-Cr-Ti sheet alloy finished product of 1.5mm thickness.
The present embodiment sheath material is TC4, and thickness is 3mm; Jacket internal structure is, accompanies the thick graphite heat conducting pad of 1mm, be filled with alumina silicate fiber felt between blank side and jacket wall between the bearing up-down force end face of blank and jacket face.
In the present embodiment, the roller diameter of duo mill is 350mm.
GB/T228.1-2010 sampling and test are pressed in room temperature tensile Mechanics Performance Testing, and sample marking distance is 17mm, and thickness is 1.5mm, and electronic universal tester is measured.Yield strength is 390MPa, and tensile strength is 501MPa, and elongation is 35%, and relative reduction in area is about 73%.
Claims (9)
1. vanadium chromium titanium alloy sheet, is characterized in that: described alloy sheets is made up of following weight percent composition: V75 ~ 94%, Cr2.9 ~ 15%, Ti2.6 ~ 10%, and surplus is inevitable impurity; Wherein, total mass≤0.5% of described impurity element Ni, Mo, Nb, Cu, Al, Fe, Si, P, W, Zr, S, N, C, O.
2. vanadium chromium titanium alloy sheet according to claim 1, it is characterized in that: described alloy sheets is made up of following weight percent composition: V80 ~ 89%, Cr6 ~ 10%, Ti4.5 ~ 8%, surplus is inevitable impurity.
3. vanadium chromium titanium alloy sheet according to claim 1 or 2, is characterized in that: alloy sheets yield strength >=390MPa, tensile strength >=500MPa, elongation >=25%, relative reduction in area >=65%.
4. vanadium chromium titanium alloy sheet according to any one of claims 1 to 3, is characterized in that: the thickness of alloy sheets is 0.5 ~ 6mm.
5. the preparation method of vanadium chromium titanium alloy sheet described in any one of Claims 1 to 4, is characterized in that: comprise the following steps:
A, the weight percent formed according to the raw material of alloy sheets, prepare V75 ~ 94%, Cr2.9 ~ 15%, Ti2.6 ~ 10%, and surplus is total mass≤0.5% inevitably impurity;
B, by ready for a step raw material melting, obtain V-(2.9 ~ 15wt%) Cr-(2.6 ~ 10wt%) Ti alloy cast ingot, in a vacuum furnace with ramp to 1000 ~ 1350 DEG C of 3 ~ 20 DEG C/min, insulation 0.5 ~ 8h, cools to room temperature with the furnace under vacuum;
C, on the cooled ingot casting of b step, cut blank, chamfering, polishing, puts into jacket, and vacuumizes jacket, with ramp to 750 ~ 850 DEG C of 3 ~ 20 DEG C/min, after insulation 1 ~ 3h, by jacket seal welding, obtains alloy forging jacket body;
D, alloy forging jacket body that step c is obtained in resistance furnace with ramp to 1050 ~ 1350 DEG C of 5 ~ 20 DEG C/min, after insulation 0.5 ~ 4h, 1 ~ 3 ton of air hammer carries out hammer cogging, shrend, be down to room temperature and remove jacket, cleaning, is processed into the hot rolling slab of rectangle or square sectional;
Wherein, hammer cogging open forging temperature be 1050 ~ 1350 DEG C, final forging temperature is 1000 ~ 1300 DEG C, and pass deformation is 5 ~ 20%, and total deformation is 40 ~ 80%, between passage with stove insulation be 1 ~ 30min;
E, hot rolling slab Step d obtained obtain hot rolling jacket body according to the method for step c alloying forging jacket body, with ramp to 1050 ~ 1350 DEG C of 5 ~ 20 DEG C/min in resistance furnace, insulation 0.5 ~ 4h, hot rolling, shrend, be down to room temperature and remove jacket, cleaning, 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 roll speed is 0.1 ~ 5m/min, and pass deformation is 2 ~ 20%, and total deformation is 40 ~ 80%, and being incubated with stove between passage is 1 ~ 30min;
F, slab that step e is obtained in a vacuum furnace with ramp to 900 ~ 1250 DEG C of 5 ~ 20 DEG C/min, insulation 0.5 ~ 4h, vacuum annealing, cools to room temperature with the furnace, obtains cold rolling slab;
G, the cold rolling slab that f step obtained, under air at room temperature atmosphere, carry out cold rolling processing, cold rolling complete after cleaning alloy, the cold-reduced sheet of the specific thicknesses of rule is processed in trimming;
Wherein, the roll 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 step obtain cold-reduced sheet in a vacuum furnace with ramp to 900 ~ 1250 DEG C of 5 ~ 20 DEG C/min, insulation 0.5 ~ 4h after solution treatment, cool to 500 ~ 850 DEG C with the furnace, ageing treatment is carried out after insulation 1 ~ 24h, be cooled to room temperature with stove argon filling subsequently, cleaning, to obtain final product.
6. the preparation method of vanadium chromium titanium alloy sheet according to claim 5, is characterized in that: carry out melting to raw material in b step and select in vacuum consumable arc-melting stove, electron beam melting furnace or induction suspending stove a kind of.
7. the preparation method of vanadium chromium titanium alloy sheet according to claim 5, is characterized in that: the vacuum tightness under vacuum condition is 3 ~ 10 × 10
-3pa.
8. the preparation method of vanadium chromium titanium alloy sheet according to claim 5, is characterized in that: the material of jacket is the one in 1Cr18Ni9Ti stainless steel, the pure titanium of TA1 or TC4 titanium alloy, and thickness is 1 ~ 20mm.
9. the preparation method of vanadium chromium titanium alloy sheet according to claim 8, is characterized in that: the internal structure of jacket is: accompany graphite heat conducting pad between the bearing up-down force end face of blank and jacket face, be filled with alumina silicate fiber felt between blank side and jacket wall.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506428A (en) * | 2016-02-03 | 2016-04-20 | 中国工程物理研究院材料研究所 | Novel helium ion sputtering-resistant vanadium alloy and preparation method thereof |
| CN109338189A (en) * | 2018-11-19 | 2019-02-15 | 中国兵器科学研究院宁波分院 | A kind of preparation method of vanadium tungsten-titanium alloy spherical shell component |
| CN111304590A (en) * | 2019-12-28 | 2020-06-19 | 彭文婷 | Vanadium nano electrothermal material |
| CN115747536A (en) * | 2022-10-11 | 2023-03-07 | 散裂中子源科学中心 | Vanadium-nickel alloy for neutron scattering experiments and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001279361A (en) * | 2000-03-31 | 2001-10-10 | Tdk Corp | V-based solid solution type hydrogen storage alloy |
| JP2006028632A (en) * | 2004-07-16 | 2006-02-02 | Imura Zairyo Kaihatsu Kenkyusho:Kk | Hydrogen storage alloy and hydrogen storage vessel |
| CN103320664A (en) * | 2012-03-23 | 2013-09-25 | 核工业西南物理研究院 | Ti3SiC2 dispersion strengthening V-4Cr-4Ti alloy |
| 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 |
| 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 CN201510522094.3A patent/CN105154738B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001279361A (en) * | 2000-03-31 | 2001-10-10 | Tdk Corp | V-based solid solution type hydrogen storage alloy |
| JP2006028632A (en) * | 2004-07-16 | 2006-02-02 | Imura Zairyo Kaihatsu Kenkyusho:Kk | Hydrogen storage alloy and hydrogen storage vessel |
| CN103320664A (en) * | 2012-03-23 | 2013-09-25 | 核工业西南物理研究院 | Ti3SiC2 dispersion strengthening V-4Cr-4Ti alloy |
| 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 |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 王志钢 等: "V-5Cr-5Ti合金电弧熔炼制备技术", 《特种铸造及有色合金》 * |
| 郑鹏飞 等: "《V-4Cr-4Ti合金的时效与冷加工强化》", 《理化检验-物理分册》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506428A (en) * | 2016-02-03 | 2016-04-20 | 中国工程物理研究院材料研究所 | Novel helium ion sputtering-resistant vanadium alloy and preparation method thereof |
| CN109338189A (en) * | 2018-11-19 | 2019-02-15 | 中国兵器科学研究院宁波分院 | A kind of preparation method of vanadium tungsten-titanium alloy spherical shell component |
| CN111304590A (en) * | 2019-12-28 | 2020-06-19 | 彭文婷 | Vanadium nano electrothermal material |
| CN115747536A (en) * | 2022-10-11 | 2023-03-07 | 散裂中子源科学中心 | Vanadium-nickel alloy for neutron scattering experiments and preparation method and application thereof |
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