CN114178310A - Method for rolling titanium alloy rod and wire by adopting multiple passes - Google Patents
Method for rolling titanium alloy rod and wire by adopting multiple passes Download PDFInfo
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- CN114178310A CN114178310A CN202111460162.XA CN202111460162A CN114178310A CN 114178310 A CN114178310 A CN 114178310A CN 202111460162 A CN202111460162 A CN 202111460162A CN 114178310 A CN114178310 A CN 114178310A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 113
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000000137 annealing Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 230000007547 defect Effects 0.000 abstract description 5
- 210000005069 ears Anatomy 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000010274 multidirectional forging Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- 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
Abstract
The invention relates to a method for rolling a titanium alloy rod wire by adopting multiple passes, belonging to the technical field of rolling. Putting the titanium alloy plate into a heating furnace for two-stage preheating, and carrying out four-stage heat preservation, rolling and annealing on the preheated rolled material; and immediately cooling the rolled material after the last rolling to obtain the high-strength and high-plasticity bar wire material. The invention realizes that the surface defects of the rod wire can be effectively solved, such as cracks, ears, folding and the like, and the occurrence of low strength and low plasticity of the material is avoided. The invention realizes large-deformation rolling and can prepare the high-strength and high-plasticity rod wire material.
Description
Technical Field
The invention relates to a method for rolling a titanium alloy rod wire by adopting multiple passes, belonging to the technical field of rolling.
Background
The bar material has wide application in the manufacturing industry, the traffic industry, the construction industry and other industries, and plays an important role in the development of national economy in China. With the further expansion of the productivity of the steel, the market competition is increasingly intense, and the continuous development of the advanced production process and the rolling technology is promoted. For bar rolling, due to the diversity of hole patterns, a conventional rolling theory and analytic calculation have certain limitations, and the finite element technology can adapt to various complex shapes and external conditions by dividing a continuous medium for solving unknown field variables into a plurality of units, so that relatively real related parameters are solved for engineering problems.
However, the rod and wire have disadvantages such as cracks, ears, folds, scabs (warping or scaling), scratches, pitted surfaces, delamination, oxidation, decarburization and the like, which are common surface defects. The biggest harm of the surface defect is to reduce the plastic indexes such as the reduction of area of the wire rod, and the like, thereby influencing the cold drawing processing performance. However, some large deformation techniques are not widely used because of the limitations of complicated molds and equipment. If the multidirectional forging technology has high deformation rate, the forge piece is easy to crack, and the forge piece structure is uneven. The cumulative tandem rolling technique greatly limits the application thereof due to the limitation of intermittent process and material weldability.
Patent application No. 2014102383111, a method for producing TC4 titanium alloy rod wire by adopting a high-speed continuous rolling machine. The method for manufacturing the TC4 titanium alloy rod wire rod product by using the TC4 titanium alloy forging square billet is characterized in that a stepping heating furnace is used for heating a blank, and a high-speed continuous rolling mill is used for carrying out primary rolling, pre-finish rolling, wire laying, air cooling and coil gathering. The method for producing the TC4 titanium alloy rod wire by the high-speed continuous rolling mill can obtain the hot-rolled rod wire with target linear shape, roundness and surface by a single rolling process, does not need intermediate annealing, shortens the production process flow, improves the quality, yield and yield of the rod wire, and reduces the production cost of the TC4 titanium alloy rod wire.
Patent application No. 2017103102814, a method for preparing a high-strength titanium alloy rod wire. For titanium alloy at beta transformation temperature TβCarrying out high-temperature hot rolling in a temperature range of 15 ℃ below zero, wherein the strain rate is controlled within 3s < -1 >; carrying out temperature drawing deformation on the titanium alloy rod wire at 500-600 ℃, wherein the strain capacity is more than 1, and the strain rate is controlled within 0.1 s-1; stabilizing the deformed titanium alloy rod wire at 250-380 ℃ for 2-4 h; then annealing the titanium alloy rod wire at 520-680 ℃ for 2-6 h. The titanium alloy rod wire produced by the method has fine and uniform structure and good strength.
Neither of the above applications has resulted in a rod and wire material with improved material properties, such as high strength and high plasticity. The invention realizes large-deformation rolling by changing the rolling direction by using a common rolling mill, and prepares the high-strength and high-plasticity rod wire material.
Disclosure of Invention
In order to effectively solve the surface defects of the rod and wire, such as cracks, lugs, folding and the like, avoid the occurrence of low strength and low plasticity of the material and prepare the rod and wire material with high strength and high plasticity, the invention provides a method for rolling the titanium alloy rod and wire by multiple passes. The invention is realized by the following technical scheme.
A method for rolling a titanium alloy rod wire by adopting multiple passes comprises the following steps:
step 1, putting a titanium alloy plate into a heating furnace for two-stage preheating, specifically:
1.1 preheating I: preheating for 10-20min at the temperature of 800-;
1.2 preheating II: continuously preheating at the temperature of 900 ℃ and 950 ℃ for 20-30 min;
step 2, carrying out four stages of heat preservation, rolling and annealing on the preheated rolled material, specifically:
2.1 preserving the heat for 5-10min at the temperature of 900-;
2.2 continuously preserving the heat for 5-10min at 1050 ℃ with the temperature of 1000-;
2.3 continuously keeping the temperature at 1150 ℃ for 15-20min at 1100-;
2.4 continuously preserving the heat for 15-20min at the temperature of 1200-1250 ℃, performing fourth-pass rolling after reversely rotating the rolling roll for 90 DEG, and performing annealing treatment for 20-30min at the temperature of 1200-1250 ℃;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
The size of the titanium alloy plate in the step 1 is 30-35mm multiplied by 20-25 mm.
And (3) rolling the titanium alloy plate rolled in the step (2) on a two-roller rolling mill.
The first rolling in the step 2.1 takes the length direction of the titanium alloy plate as the rolling direction.
The invention has the beneficial effects that:
1. the invention realizes that the surface defects of the rod wire can be effectively solved, such as cracks, ears, folding and the like, and the occurrence of low strength and low plasticity of the material is avoided.
2. The invention realizes large-deformation rolling and can prepare the high-strength and high-plasticity rod wire material.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
Example 1
As shown in fig. 1, the method for rolling the titanium alloy rod wire by adopting multiple passes comprises the following steps:
step 1, putting a TC4 titanium alloy plate with the size of 30mm multiplied by 20mm into a heating furnace for two-section preheating, specifically:
1.1 preheating I: preheating at 800 deg.C for 10 min;
1.2 preheating II: continuously preheating at 900 deg.C for 20 min;
step 2, performing four stages of heat preservation, rolling (rolling a titanium alloy plate on a two-roller mill) and annealing on the preheated rolled material, specifically:
2.1, preserving heat for 5min at the temperature of 900 ℃, and carrying out first-pass rolling, wherein the first-pass rolling is to carry out annealing treatment for 10min at the temperature of 900 ℃ by taking the length direction of a titanium alloy plate as the rolling direction;
2.2 continuously keeping the temperature at 1000 ℃ for 5min, reversely rotating the rolling roll by 90 degrees, then carrying out second-pass rolling, and carrying out annealing treatment at 1000 ℃ for 10 min;
2.3, continuously keeping the temperature at 1100 ℃ for 15min, reversely rotating the rolling roll by 90 degrees, then performing a third rolling, and performing annealing treatment at 1100 ℃ for 20 min;
2.4, continuously keeping the temperature at 1200 ℃ for 15min, reversely rotating the rolling roll by 90 degrees, then carrying out fourth-pass rolling, and carrying out annealing treatment at 1200 ℃ for 20 min;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
Compared with the conventional TC4 bar wire material, the tensile strength of the TC4 bar wire material prepared by the method along the rolling direction is improved by 8.9%, and the yield strength is improved by 11.6%; the transverse tensile strength of the plate is improved by 19.6 percent, and the yield strength is improved by 20.3 percent.
Example 2
As shown in fig. 1, the method for rolling the titanium alloy rod wire by adopting multiple passes comprises the following steps:
step 1, putting a TC4 titanium alloy plate with the size of 32mm multiplied by 22mm into a heating furnace for two-section preheating, specifically:
1.1 preheating I: preheating at 820 deg.C for 14 min;
1.2 preheating II: continuously preheating for 24min at the temperature of 920 ℃;
step 2, performing four stages of heat preservation, rolling (rolling a titanium alloy plate on a two-roller mill) and annealing on the preheated rolled material, specifically:
2.1, preserving heat for 7min at the temperature of 920 ℃, and carrying out first-pass rolling, wherein the first-pass rolling is carried out by taking the length direction of a titanium alloy plate as the rolling direction and carrying out annealing treatment for 14min at the temperature of 920 ℃;
2.2, continuously keeping the temperature at 1020 ℃ for 7min, performing second-pass rolling after reversely rotating the rolling roll by 90 degrees, and performing annealing treatment at 1020 ℃ for 14 min;
2.3, continuously keeping the temperature at 1120 ℃ for 17min, performing third rolling after reversely rotating the rolling roll by 90 degrees, and performing annealing treatment at 1120 ℃ for 24 min;
2.4, continuously keeping the temperature at 1220 ℃ for 17min, reversely rotating the rolling roll by 90 degrees, then carrying out fourth-pass rolling, and carrying out annealing treatment at 1220 ℃ for 24 min;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
Compared with the conventional TC4 bar wire material, the tensile strength of the TC4 bar wire material prepared by the method along the rolling direction is improved by 9.4%, and the yield strength is improved by 12.1%; the transverse tensile strength of the plate is improved by 21.2 percent, and the yield strength is improved by 22.5 percent.
Example 3
As shown in fig. 1, the method for rolling the titanium alloy rod wire by adopting multiple passes comprises the following steps:
step 1, putting a TC4 titanium alloy plate with the size of 35mm multiplied by 25mm into a heating furnace for two-section preheating, specifically:
1.1 preheating I: preheating at 850 deg.C for 20 min;
1.2 preheating II: continuously preheating at 950 ℃ for 30 min;
step 2, performing four stages of heat preservation, rolling (rolling a titanium alloy plate on a two-roller mill) and annealing on the preheated rolled material, specifically:
2.1 preserving heat for 10min at the temperature of 950 ℃, and carrying out first-pass rolling, wherein the first-pass rolling is to carry out annealing treatment for 20min at the temperature of 950 ℃ by taking the length direction of a titanium alloy plate as the rolling direction;
2.2 continuously preserving the heat for 10min at 1050 ℃, reversely rotating the rolling and rolling for 90 degrees, then carrying out second-pass rolling, and carrying out annealing treatment for 20min at 1050 ℃;
2.3, continuously keeping the temperature at 1150 ℃ for 20min, reversely rotating the rolling roll by 90 degrees, then performing a third rolling, and performing annealing treatment at 1150 ℃ for 30 min;
2.4 continuously preserving the heat for 20min at the temperature of 1250 ℃, performing fourth-pass rolling after reversely rotating the rolling roll by 90 degrees, and performing annealing treatment for 30min at the temperature of 1250 ℃;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
Compared with the conventional TC4 bar wire material, the tensile strength of the TC4 bar wire material prepared by the method along the rolling direction is improved by 9.5%, and the yield strength is improved by 13.6%; the transverse tensile strength of the plate is improved by 24.9 percent, and the yield strength is improved by 21.5 percent.
Example 4
As shown in fig. 1, the method for rolling the titanium alloy rod wire by adopting multiple passes comprises the following steps:
step 1, putting a TC4 titanium alloy plate with the size of 33mm multiplied by 23mm into a heating furnace for two-stage preheating, specifically:
1.1 preheating I: preheating at 830 deg.C for 16 min;
1.2 preheating II: continuously preheating at 930 deg.C for 26 min;
step 2, performing four stages of heat preservation, rolling (rolling a titanium alloy plate on a two-roller mill) and annealing on the preheated rolled material, specifically:
2.1, preserving heat for 8min at the temperature of 930 ℃, and carrying out first-pass rolling, wherein the first-pass rolling is carried out by taking the length direction of a titanium alloy plate as the rolling direction and carrying out annealing treatment for 26min at the temperature of 930 ℃;
2.2, continuously keeping the temperature at 1030 ℃ for 8min, performing second-pass rolling after reversely rotating the rolling roll by 90 degrees, and performing annealing treatment at 1030 ℃ for 16 min;
2.3, continuously keeping the temperature at 1130 ℃ for 18min, reversely rotating the rolling roll by 90 degrees, then carrying out the third rolling, and carrying out annealing treatment at 1130 ℃ for 26 min;
2.4, continuously keeping the temperature at 1230 ℃ for 18min, reversely rotating the rolling roll by 90 degrees, then carrying out fourth-pass rolling, and carrying out annealing treatment at 1230 ℃ for 26 min;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
Compared with the conventional TC4 bar wire material, the tensile strength of the TC4 bar wire material prepared by the method along the rolling direction is improved by 10.2%, and the yield strength is improved by 13.5%; the transverse tensile strength of the plate is improved by 26.3 percent, and the yield strength is improved by 22.7 percent.
Example 5
As shown in fig. 1, the method for rolling the titanium alloy rod wire by adopting multiple passes comprises the following steps:
step 1, putting a TC4 titanium alloy plate with the size of 34mm multiplied by 24mm into a heating furnace for two-section preheating, specifically:
1.1 preheating I: preheating at 840 deg.C for 18 min;
1.2 preheating II: continuously preheating at 940 deg.C for 28 min;
step 2, performing four stages of heat preservation, rolling (rolling a titanium alloy plate on a two-roller mill) and annealing on the preheated rolled material, specifically:
2.1, preserving heat at 940 ℃ for 9min, and carrying out first-pass rolling, wherein the first-pass rolling is carried out by taking the length direction of a titanium alloy plate as the rolling direction and carrying out annealing treatment at 940 ℃ for 18 min;
2.2, continuously keeping the temperature at 1040 ℃ for 9min, reversely rotating the rolling roll by 90 degrees, then carrying out second-pass rolling, and carrying out annealing treatment at 1040 ℃ for 18 min;
2.3, continuously keeping the temperature at 1130 ℃ for 18min, reversely rotating the rolling roll by 90 degrees, then carrying out the third rolling, and carrying out annealing treatment at 1130 ℃ for 26 min;
2.4, continuously keeping the temperature at 1240 ℃ for 19min, performing fourth-pass rolling after reversely rotating the rolling roll by 90 degrees, and performing 28-min annealing treatment at 1240 ℃;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
Compared with the conventional TC4 bar wire material, the tensile strength of the TC4 bar wire material prepared by the method along the rolling direction is improved by 8.7%, and the yield strength is improved by 14.2%; the transverse tensile strength of the plate is improved by 25.3 percent, and the yield strength is improved by 20.8 percent.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit and scope of the present invention.
Claims (4)
1. A method for rolling a titanium alloy rod wire by adopting multiple passes is characterized by comprising the following steps:
step 1, putting a titanium alloy plate into a heating furnace for two-stage preheating, specifically:
1.1 preheating I: preheating for 10-20min at the temperature of 800-;
1.2 preheating II: continuously preheating at the temperature of 900 ℃ and 950 ℃ for 20-30 min;
step 2, carrying out four stages of heat preservation, rolling and annealing on the preheated rolled material, specifically:
2.1 preserving the heat for 5-10min at the temperature of 900-;
2.2 continuously preserving the heat for 5-10min at 1050 ℃ with the temperature of 1000-;
2.3 continuously keeping the temperature at 1150 ℃ for 15-20min at 1100-;
2.4 continuously preserving the heat for 15-20min at the temperature of 1200-1250 ℃, performing fourth-pass rolling after reversely rotating the rolling roll for 90 DEG, and performing annealing treatment for 20-30min at the temperature of 1200-1250 ℃;
and 3, immediately cooling the rolled material subjected to the last rolling to obtain the high-strength and high-plasticity bar wire material.
2. The method of using multiple passes to roll a titanium alloy rod and wire of claim 1, wherein: the size of the titanium alloy plate in the step 1 is 30-35mm multiplied by 20-25 mm.
3. The method of using multiple passes to roll a titanium alloy rod and wire of claim 1, wherein: and (3) rolling the titanium alloy plate rolled in the step (2) on a two-roller rolling mill.
4. The method of using multiple passes to roll a titanium alloy rod and wire of claim 3, wherein: the first rolling in the step 2.1 takes the length direction of the titanium alloy plate as the rolling direction.
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| CN202111460162.XA CN114178310B (en) | 2021-12-02 | 2021-12-02 | Method for rolling titanium alloy rod and wire by adopting multiple passes |
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| CN202111460162.XA CN114178310B (en) | 2021-12-02 | 2021-12-02 | Method for rolling titanium alloy rod and wire by adopting multiple passes |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310348A (en) * | 1989-05-24 | 1990-12-26 | Nippon Steel Corp | Manufacture of alpha+beta titanium alloy rolled bar and wire having good structure |
| RU2178014C1 (en) * | 2000-05-06 | 2002-01-10 | ОАО Верхнесалдинское металлургическое производственное объединение | METHOD OF ROLLING BARS FROM PSEUDO β- TITANIUM ALLOYS |
| CN101085451A (en) * | 2006-06-06 | 2007-12-12 | 厦门虹鹭钨钼工业有限公司 | Method for rolling pure titanium rod and wire |
| CN106826118A (en) * | 2017-02-08 | 2017-06-13 | 大连盛辉钛业有限公司 | A kind of preparation method for manufacturing the medical titanium alloy bar of pedicle screw |
| CN111485133A (en) * | 2020-04-14 | 2020-08-04 | 苏州福漫精密有限公司 | Metal wire for medical instrument and preparation process and preparation method thereof |
| CN112692060A (en) * | 2020-12-11 | 2021-04-23 | 湖南湘投金天钛金属股份有限公司 | Preparation method of titanium alloy plate |
| CN113523013A (en) * | 2021-08-19 | 2021-10-22 | 索罗曼(常州)合金新材料有限公司 | Production process of thick-wire-diameter titanium alloy wire |
-
2021
- 2021-12-02 CN CN202111460162.XA patent/CN114178310B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310348A (en) * | 1989-05-24 | 1990-12-26 | Nippon Steel Corp | Manufacture of alpha+beta titanium alloy rolled bar and wire having good structure |
| RU2178014C1 (en) * | 2000-05-06 | 2002-01-10 | ОАО Верхнесалдинское металлургическое производственное объединение | METHOD OF ROLLING BARS FROM PSEUDO β- TITANIUM ALLOYS |
| CN101085451A (en) * | 2006-06-06 | 2007-12-12 | 厦门虹鹭钨钼工业有限公司 | Method for rolling pure titanium rod and wire |
| CN106826118A (en) * | 2017-02-08 | 2017-06-13 | 大连盛辉钛业有限公司 | A kind of preparation method for manufacturing the medical titanium alloy bar of pedicle screw |
| CN111485133A (en) * | 2020-04-14 | 2020-08-04 | 苏州福漫精密有限公司 | Metal wire for medical instrument and preparation process and preparation method thereof |
| CN112692060A (en) * | 2020-12-11 | 2021-04-23 | 湖南湘投金天钛金属股份有限公司 | Preparation method of titanium alloy plate |
| CN113523013A (en) * | 2021-08-19 | 2021-10-22 | 索罗曼(常州)合金新材料有限公司 | Production process of thick-wire-diameter titanium alloy wire |
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