CN112553453A - Cooling rate controllable titanium alloy wire online annealing method and device - Google Patents
Cooling rate controllable titanium alloy wire online annealing method and device Download PDFInfo
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- CN112553453A CN112553453A CN202011474218.2A CN202011474218A CN112553453A CN 112553453 A CN112553453 A CN 112553453A CN 202011474218 A CN202011474218 A CN 202011474218A CN 112553453 A CN112553453 A CN 112553453A
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- 238000000137 annealing Methods 0.000 title claims abstract description 83
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000009864 tensile test Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a method and a device for annealing titanium alloy wires with controllable cooling rate on line, which are suitable for titanium alloy wires with the diameter phi of less than or equal to 4mm, and comprise the following steps: the heating zone of the tube furnace sequentially comprises an annealing zone, a buffer zone and a compensation zone from front to back, each zone is an independent chamber, the zones are communicated through holes in the axial direction, and the through holes are used for the wires to sequentially penetrate through the through holes in the axial direction; resistance wires are arranged in each area and used for heating the corresponding area, and the temperature of the annealing area is set as the annealing temperature value of the thin wire material; the temperature of the buffer area is 200-300 ℃ lower than the annealing temperature value; the temperature of the compensation zone is 200-300 ℃. The cooling rate of the wire after on-line annealing is reduced, so that the plasticity of the small-size wire is improved, and the service performance of the small-size wire is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field, and particularly relates to an online annealing method and device for a titanium alloy wire with a controllable cooling rate.
[ background of the invention ]
The titanium alloy has high specific strength, good oxidation resistance, corrosion resistance and biocompatibility, and the wire material product is widely applied to the fields of aerospace, weapons, ships and biological implants and becomes an important rare metal material. After decades of research, improvement and development, a set of titanium and titanium alloy wire production process with reliable and stable process flow is formed, and at present, two typical annealing methods of titanium and titanium alloy wires mainly exist: one method is to carry out annealing directly, namely, after coiling the wire or bundling the straight wire, the wire is directly put into a pit furnace or a vacuum furnace for annealing, the method has simple operation and easy realization, but the wire is heated unevenly and is limited by the volume of the furnace body, and one-time large-batch annealing cannot be carried out, so the efficiency is not high to a certain extent; the other method adopts on-line annealing, and the method drives the wires to enter a tubular furnace with certain temperature through a roller set with certain rotating speed to finish annealing, thereby solving the problem of uneven heating during direct annealing, and realizing one-time large-batch annealing.
[ summary of the invention ]
The invention aims to provide an online annealing method and device for a titanium alloy wire with controllable cooling rate, which can reduce the cooling rate of the wire after online annealing, thereby improving the plasticity of small-size wires and improving the service performance of the small-size wires.
The invention adopts the following technical scheme: the utility model provides a controllable titanium alloy silk material online annealing device of cooling rate which characterized in that, it is applicable to the titanium alloy silk material that diameter phi is less than or equal to 4mm, includes:
the heating zone of the tube furnace sequentially comprises an annealing zone, a buffer zone and a compensation zone from front to back, each zone is an independent chamber, the zones are communicated through holes in the axial direction, and the through holes are used for the wires to sequentially penetrate through the through holes in the axial direction;
resistance wires are arranged in each area and used for heating the corresponding area, and the temperature of the annealing area is set as the annealing temperature value of the thin wire material; the temperature of the buffer area is 200-300 ℃ lower than the annealing temperature value; the temperature of the compensation zone is 200-300 ℃.
Further, the length ratio of the annealing zone, the buffer zone and the compensation zone is as follows: 4:1:1.
Further, heat insulation nets are vertically arranged among the zones, and independent chambers are formed through the heat insulation nets.
Further, a motor is coaxially arranged in front of the tube furnace, and a roller wheel is arranged on the motor and used for driving the wires to move forward.
Furthermore, a wire passing groove is arranged behind the tube furnace, and a lower breaking machine and a wire collecting groove are sequentially arranged behind the wire passing groove.
The invention also discloses an online annealing method of the titanium alloy wire with the controllable cooling rate, which uses the online annealing device of the titanium alloy wire with the controllable cooling rate and comprises the following steps:
setting the temperature of the annealing area as an annealing temperature value of the thin wire material; the temperature value of the buffer area is 200-300 ℃ lower than the annealing temperature value; the temperature of the compensation zone is 200-300 ℃;
the drawn wire passes through the roller wheel, and the roller wheel rotates under the driving of the motor to drive the wire to move forwards and sequentially pass through the annealing zone, the buffer zone and the compensation zone; in the annealing area, the wire finishes annealing; in the buffer area, the wires are cooled; in the compensation area, the temperature of the wire is kept at 200-300 ℃;
the wire penetrates out of the rear end of the compensation area, and the temperature of the wire is 200-300 ℃; after the wire is threaded out, the wire sequentially enters the wire passing groove, the downward cutting machine and the wire collecting groove.
The invention has the beneficial effects that: the cooling rate of the annealed wire is reduced, martensite and other metastable phases are prevented from being formed in a room temperature structure, and the plasticity of the wire is effectively improved.
[ description of the drawings ]
FIG. 1 is a schematic structural view of an online annealing device for titanium alloy wires with controllable cooling rate;
wherein: 1. a take-up reel; 2. a support; 3. a roller; 4. wire material; 5. an electric motor; 6. a tube furnace; 6-1, an annealing area; 6-2, buffer zone; 6-3. a compensation zone; 7. a heat insulating mesh; 8. a wire passing groove; 9. cutting off the machine; 10. a bolt; 11. a wire collecting groove.
[ detailed description ] embodiments
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to an online annealing device for titanium alloy wires with controllable cooling rate, which is suitable for online annealing of thin wires, wherein the diameter phi of the thin wires is less than or equal to 4 mm. As shown in fig. 1, includes: the heating zone of the tubular furnace 6 sequentially comprises an annealing zone 6-1, a buffer zone 6-2 and a compensation zone 6-3 from front to back, each zone is an independent chamber, all zones are communicated through holes in the axial direction, and the through holes are used for the wires 4 to sequentially penetrate through the through holes in the axial direction. The length ratio of the annealing area 6-1, the buffer area 6-2 and the compensation area 6-3 is as follows: 4:1:1. The length of the heating zone is 6-7m, and the length setting can meet the annealing requirement of the thin wire material.
Resistance wires are arranged in each area and used for heating the corresponding area, and the temperature of the annealing area 6-1 is set as the annealing temperature value of the thin wire material; the temperature of the buffer area 6-2 is 200-300 ℃ lower than the annealing temperature value; the temperature of the compensation zone 6-3 is 200-300 ℃. The functions of each area are as follows: the annealing zone 6-1 completes annealing, and the temperature is set as the annealing temperature; the temperature of the buffer zone 6-2 is set to be 200-300 ℃ below the annealing temperature, the cooling rate after annealing is reduced by reducing the temperature gradient, and the temperature of the wire leaving the tubular furnace and contacting air is not too high, so that the buffer zone is realized; the compensation zone 6-3 is typically set at a temperature of 200 ℃ and 300 ℃ in order to keep the temperature of the wire 4 at a lower temperature as it leaves the tube furnace, thereby reducing its cooling rate in air.
The buffer area 6-2 and the compensation area 6-3 are arranged, so that the filament materials can not directly enter the room temperature after annealing, but sequentially pass through the buffer area 6-2 and the compensation area 6-3, the temperature gradient is reduced, and the slow cooling is realized. The temperature of the wire is kept at about 200 ℃ when the wire leaves the tube furnace, the cooling rate at room temperature is reduced, and the formation of other metastable phases such as martensite is avoided, so that the plasticity of the wire is improved.
An insulating net 7 is vertically arranged between the zones, and an independent chamber is formed by the insulating net 7. The heat insulation net 7 is a stainless steel plate tetragonal cavity structure, and asbestos fibers are filled in the cavity for heat insulation. Almost no heat transfer exists among all the zones, the temperature gradient of the whole system is constant, and the cooling rate is smaller than that of the traditional online annealing device. The online annealing of the filament is beneficial to inhibiting the filament from forming martensite and other intermediate phases at room temperature when the cooling rate is reduced, and the plasticity of the material is improved.
A motor 5 is coaxially arranged in front of the tube furnace 6, a roller 3 is arranged on the motor 5, and the rotating speed of the roller 3 is about 0.38 mm/min. A take-up reel 1 is also arranged in front of the roller 3, and the take-up reel 1 is arranged on the bracket 2. The drawn filament material is wound on a take-up reel 1. The roller 3 is used for driving the silk 4 to move forward. A wire passing groove 8 is arranged behind the tubular furnace 6, and a lower breaking machine 9 and a wire receiving groove 11 are sequentially arranged behind the wire passing groove 8. The whole process of the wire 4 treatment comprises the following steps that the coiled wire is driven by the front and rear rollers 3 with different rotating speeds to enter the tubular furnace 6, the wire 4 sequentially passes through the annealing area 6-1, the buffer area 6-2 and the compensation area 6-3 in the tubular furnace 6, then leaves the lower section of the tubular furnace 6, and finally is ground and polished to obtain a finished product.
The invention also discloses an online annealing method of the titanium alloy wire with the controllable cooling rate, which uses the online annealing device of the titanium alloy wire with the controllable cooling rate and comprises the following steps:
setting the temperature of the annealing area 6-1 as the annealing temperature value of the thin wire material; the temperature of the buffer area 6-2 is 200-300 ℃ lower than the annealing temperature value; the temperature of the compensation zone 6-3 is 200-300 ℃;
the drawn wires 4 pass through the rollers 3, are driven by the motor 5 to be coiled into the tube furnace 6 through the front and rear rollers 3 with different rotating speeds, and sequentially pass through the annealing area 6-1, the buffer area 6-2 and the compensation area 6-3.
In the annealing area 6-1, the wire 4 is annealed; cooling the wires 4 in the buffer area 6-2; in the compensation zone 6-3, the temperature of the wire 4 is kept at 200-300 ℃;
the wire 4 penetrates out from the rear end of the compensation area 6-3, and the temperature of the wire 4 is 200-300 ℃; after the wire is threaded out, the wire sequentially enters a wire passing groove 8, a lower breaking machine 9 and a wire collecting groove 11. The breaker 9 is fixed on the ground by bolts 10 at the bottom of the breaker.
Example 1
The annealing area 6-1, the buffer area 6-2 and the compensation area 6-3 of the tube furnace are respectively set to be 750 ℃, 500 ℃ and 300 ℃, resistance wires are adopted to heat in each area, and thermocouples are arranged in each area to measure the temperature. And starting the heating, keeping the temperature of each zone for 20min when the temperature of each zone reaches the set temperature, starting the motor 5, setting the roller at the same time, enabling the rotation speed of 3 to be 0.38mm/min, enabling the motor 5 to idle for 2min, enabling TC4 coiled wires with the diameter phi of 3.5mm to pass through the roller 3, sending the coiled wires into the tube furnace 6 to enable the coiled wires to pass through each heating zone of the tube furnace in sequence, leaving the tube furnace 6, sending the lower section into a wire collecting groove, and finally grinding and polishing to obtain a finished product. And (3) carrying out a room-temperature tensile test on the finished product according to GB/T228.1-2010 and recording the elongation, wherein the gauge length of the tensile test is selected to be 100 mm. The result shows that after the method and the device are used for on-line annealing, compared with the conventional on-line annealing mode, the elongation of the wire is improved from 6.0% to 11%, and the plasticity of the wire is improved. In the embodiment, the elongation of the wire reaches 11% by adopting the device and the method, and the technical problem that the elongation of the wire cannot reach 10% by adopting a conventional device in the industry is solved.
Example 2
Setting the temperatures of an annealing area 6-1, a buffer area 6-2 and a compensation area 6-3 of the tube furnace to be 650 ℃, 450 ℃ and 200 ℃ respectively, starting heating, continuing to keep the temperature for 20min when the temperatures of the areas reach the set temperature, starting a motor 5, setting the rotating speed of a roller 3 to be 0.38mm/min at the same time, enabling the motor 5 to idle for 2min, enabling a coiled TA3 wire with the diameter phi of 3.5mm to pass through the roller, sending the coiled TA3 wire into the tube furnace 6 to enable the coiled TA3 wire to pass through each heating area of the tube furnace sequentially, leaving the tube furnace 6, sending the lower section into a material receiving tank, and finally grinding and. And (3) carrying out a room-temperature tensile test on the finished product according to GB/T228.1-2010, wherein the gauge length of the tensile test is selected to be 100 mm. The results show that the wire elongation is improved from 7.0% to 10% compared with the conventional on-line annealing mode after the on-line annealing is carried out by using the method and the device. In the embodiment, the elongation of the wire reaches 10% by adopting the device and the method, and the technical problem that the elongation of the wire cannot reach 10% by adopting a conventional device in the industry is solved.
Example 3
Setting the temperatures of an annealing area 6-1, a buffer area 6-2 and a compensation area 6-3 of the tube furnace to be 800 ℃, 500 ℃ and 300 ℃ respectively, starting heating, keeping the temperature for 20min when the temperatures of the areas reach the set temperature, starting the motor 5, setting the rotating speed of the roller 3 to be 0.38mm/min, enabling the motor 5 to idle for 2min, enabling TC4 coiled wires with the diameter phi of 2mm to pass through the roller 3, sending the coiled wires into the tube furnace 6 to enable the coiled wires to pass through each heating area of the tube furnace sequentially, leaving the tube furnace 6, sending the lower section into a wire receiving groove, and finally grinding and polishing to obtain a finished product. And (3) carrying out a room-temperature tensile test on the finished product according to GB/T228.1-2010, wherein the gauge length of the tensile test is selected to be 100 mm. The result shows that compared with the conventional online annealing mode, the elongation of the wire is improved from 4.0% to 8% and the plasticity of the material is improved after the online annealing is carried out by using the method and the device.
Claims (6)
1. The utility model provides a controllable titanium alloy silk material online annealing device of cooling rate which characterized in that, it is applicable to the titanium alloy silk material that diameter phi is less than or equal to 4mm, includes:
the heating zone of the tube furnace (6) sequentially comprises an annealing zone (6-1), a buffer zone (6-2) and a compensation zone (6-3) from front to back, each zone is an independent chamber, and the zones are communicated through holes along the axial direction, and the through holes are used for the wires (4) to sequentially penetrate through the through holes in the axial direction;
resistance wires are arranged in each zone and used for heating each corresponding zone; the annealing area (6-1) is used for annealing the wires (4); the buffer area (6-2) is used for cooling the wires (4) at a corresponding temperature; the compensation area (6-3) is used for keeping the temperature of the wire (4) at the temperature value.
2. The on-line annealing apparatus for titanium alloy wire with controllable cooling rate as claimed in claim 1, wherein the length ratio of said annealing zone (6-1), said buffer zone (6-2) and said compensation zone (6-3) is: 4:1:1.
3. An on-line annealing apparatus for titanium alloy wire with controllable cooling rate according to claim 2, wherein a heat insulating net (7) is vertically disposed between each zone, and independent chambers are formed by said heat insulating net (7).
4. The on-line annealing device for titanium alloy wires with controllable cooling rate according to claim 3, characterized in that a motor (5) is coaxially arranged in front of the tube furnace (6), a roller (3) is arranged on the motor (5), and the roller (3) is used for driving the wires (4) to move forward.
5. The on-line annealing device for titanium alloy wires with controllable cooling rate according to claim 4, characterized in that a wire passing groove (8) is arranged behind the tube furnace (6), and a lower cutting machine (9) and a wire collecting groove (11) are sequentially arranged behind the wire passing groove (8).
6. An on-line annealing method of a titanium alloy wire with a controlled cooling rate, comprising the steps of:
the temperature of the annealing area (6-1) is set as the annealing temperature value of the thin wire material; the temperature of the buffer area (6-2) is 200-300 ℃ lower than the annealing temperature value; the temperature of the compensation zone (6-3) is 200-300 ℃;
the drawn wires (4) pass through the roller (3), the roller (3) rotates under the driving of the motor (5) to drive the wires (4) to move forwards and sequentially pass through the annealing area (6-1), the buffer area (6-2) and the compensation area (6-3);
in the annealing zone (6-1), the wire (4) is annealed; in the buffer zone (6-2), the wires (4) are cooled; in the compensation zone (6-3), the temperature of the wire (4) is kept at 200-300 ℃;
the wire (4) penetrates out from the rear end of the compensation area (6-3), and at the moment, the temperature of the wire (4) is 200-300 ℃; after the wire penetrates out, the wire sequentially enters the wire passing groove (8), the lower breaking machine (9) and the wire collecting groove (11).
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| CN202011474218.2A CN112553453B (en) | 2020-12-15 | 2020-12-15 | On-line annealing method and device for titanium alloy wire with controllable cooling rate |
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| CN202011474218.2A CN112553453B (en) | 2020-12-15 | 2020-12-15 | On-line annealing method and device for titanium alloy wire with controllable cooling rate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110268602A1 (en) * | 2010-04-30 | 2011-11-03 | Questek Innovations Llc | Titanium alloys |
| CN102477521A (en) * | 2010-11-30 | 2012-05-30 | 西安赛特金属材料开发有限公司 | Online non-oxidation heat treatment method for beta titanium alloy wire |
| CN103469134A (en) * | 2013-08-14 | 2013-12-25 | 西安赛特思迈钛业有限公司 | Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material |
| CN104060204A (en) * | 2013-09-18 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium wire material annealing processing method |
| CN110756616A (en) * | 2019-10-30 | 2020-02-07 | 无锡隆达金属材料有限公司 | Preparation method for reducing high-carbon martensitic stainless steel pipe |
| CN210193955U (en) * | 2019-06-28 | 2020-03-27 | 宝鸡市优鼎钛业有限公司 | Multi-tube continuous annealing furnace for processing titanium and titanium alloy wires |
| CN213835475U (en) * | 2020-12-15 | 2021-07-30 | 西安赛特金属材料开发有限公司 | Titanium alloy wire material online annealing device with controllable cooling rate |
-
2020
- 2020-12-15 CN CN202011474218.2A patent/CN112553453B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110268602A1 (en) * | 2010-04-30 | 2011-11-03 | Questek Innovations Llc | Titanium alloys |
| CN102477521A (en) * | 2010-11-30 | 2012-05-30 | 西安赛特金属材料开发有限公司 | Online non-oxidation heat treatment method for beta titanium alloy wire |
| CN103469134A (en) * | 2013-08-14 | 2013-12-25 | 西安赛特思迈钛业有限公司 | Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material |
| CN104060204A (en) * | 2013-09-18 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium wire material annealing processing method |
| CN210193955U (en) * | 2019-06-28 | 2020-03-27 | 宝鸡市优鼎钛业有限公司 | Multi-tube continuous annealing furnace for processing titanium and titanium alloy wires |
| CN110756616A (en) * | 2019-10-30 | 2020-02-07 | 无锡隆达金属材料有限公司 | Preparation method for reducing high-carbon martensitic stainless steel pipe |
| CN213835475U (en) * | 2020-12-15 | 2021-07-30 | 西安赛特金属材料开发有限公司 | Titanium alloy wire material online annealing device with controllable cooling rate |
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