CN103658205A - Method for processing titanium-nickel base shape memory alloy profiled bar - Google Patents
Method for processing titanium-nickel base shape memory alloy profiled bar Download PDFInfo
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- CN103658205A CN103658205A CN201210323354.0A CN201210323354A CN103658205A CN 103658205 A CN103658205 A CN 103658205A CN 201210323354 A CN201210323354 A CN 201210323354A CN 103658205 A CN103658205 A CN 103658205A
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Abstract
The invention relates to a method for processing a titanium-nickel base shape memory alloy profiled bar. The method is characterized by comprising the steps of coiling a titanium-nickel round wire drawn to reach certain specification on a wire reel, rotating the wire reel and uncoiling the titanium-nickel round wire coiled on the wire reel, performing reducing on the round wire in a mold with a circular hole after the round wire passes through a heating mechanism, then enabling the round wire to enter a cooling device, continuously carrying out cold drawing on the round wire by the molds with different hole shapes, selecting the mold hole shape according to the shape of the finished profiled bar to realize the drawing of the profiled bar with cross section in a certain shape, performing online straightening annealing treatment by a heating mechanism, then enabling the profiled bar to enter the cooling device, and finally, coiling the profiled bar on a driving wire reel driven by a driving mechanism. The method for processing the titanium-nickel base shape memory alloy profiled bar is suitable for processing titanium-nickel base shape memory alloy profiled bars with cross section being 0.20-50mm<2> and shapes of oval, rectangle, arch, polygon and the like.
Description
Technical field
The present invention relates to the processing method of the Ni-based marmem profile shapes of a kind of titanium, the special processing for the Ni-based marmem profile shapes of super elastic Ti.
Background technology
The Ni-based marmem of titanium is as functional material, and the miniaturization of product is its main development direction, and wherein profile shapes is important product type, and 80% left and right is the profile shapes that application has superelastic properties.For this reason, the present invention relates to a kind of super elastic Ti nickel-base alloy profile shapes porous type, continuously, process technology fast.The super elastic Ti nickel profile shapes of continuously production rolling of this technology, is applicable to automated production in enormous quantities.
There are many weak points in the super elastic Ti nickel-base alloy profile shapes of producing through traditional diamond-making technique:
1, production process is complicated, and mechanization degree is not high;
2, section bar mechanical performance and elastic performance are undesirable, can not meet the requirement of follow-up use;
3, constant product quality is not high;
4, be difficult to realize production in enormous quantities.
The processing method of a kind of titanium nickel-base alloy profile shapes the present invention relates to has following characteristics
1, process of producing product operation integrated level is high, mechanization degree is high;
2, constant product quality is high;
3, the profile shapes that adopts the method to produce has good mechanical performance and super-elasticity and good properties for follow,
4, finished product rate is high, quality good;
5, production grinding tool type is replaceable, is suitable for the processing of many kinds, many specifications silk material, and production flexibility is high.
Product is widely used in the fields such as communication apparatus signal antenna, spectacle frame, orthopedic wire, civil engineering For Passive Energy Dissipation Structures.
Summary of the invention
In order to solve the deficiency existing in existing production, the processing method that the object of this invention is to provide a kind of super elastic Ti nickel-base alloy profile shapes, the super elastic Ti nickel-base alloy profile shapes that the method is produced is characterized in that: the titanium nickel circle wire tray that pulls to certain specification is taken turns around line, rotational line wheel, decontrol the titanium nickel circle silk on the online wheel of coiling, laggard to enter pass be to enter cooling device after circular mould tube reducing through heating arrangements for circle silk, the mould of process different shaped jet holes carries out cold drawing processing continuously afterwards, different according to the shape of finished product profile shapes, the pass of mould forms a series by circular → oval → ellipse, or ellipse → ellipse → rectangle-rectangle forms a series, or ellipse → ellipse → rectangle → rectangle forms a series, or circle → square → polygon → polygon forms a series, or ellipse → ellipse → arc → arc forms the multiple series compositions such as a series, can drawing go out to have the profile shapes of definite shape cross-sectional area, and then carry out online alignment annealing in process through heating arrangements, enter afterwards cooling device, finally be coiled on drive wire wheel, drive wire wheel is driven by driving mechanism.
Product specification and type are that sectional area is 0.20～50mm
2the profile shapes such as ellipse, rectangle, arc, polygon.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1:
Processing method and the step of the Ni-based marmem rectangle of a kind of titanium material of invention are as follows:
(1) titanium nickel-base alloy homogenizing cast ingot, 900 ℃ of insulation 8～12h, air is cooling;
(2) machined scale removal and rising head forge again, and starting forging temperature is 800 ℃～900 ℃, and final forging temperature is 750 ℃, and forging final size is 50mm * 50mm * 800mm;
(3) square rod having forged is rolled, it is 800 ℃～900 ℃ that rolling starts temperature, and finishing temperature is 750 ℃, and rolling final size is the kicker of Φ 8.0mm;
(4) by the kicker grinding of Φ 8.0mm, return the processing such as circle, polishing, final size is Φ 7.5mm;
(5) kicker is carried out to the oxidation processes of 780 ℃～850 ℃;
(6) kicker is carried out to drawing, process is as follows:
Φ 7.5mm～Φ 6.1mm drawing temperature is 850 ℃～800 ℃;
Φ 6.1mm～Φ 4.1mm drawing temperature is 800 ℃～750 ℃;
Φ 4.1mm～Φ 2.6mm drawing temperature is 780 ℃～730 ℃;
Φ 2.6mm～Φ 1.6mm drawing temperature is 780 ℃～730 ℃;
(7) Φ 1.6mm is annealed after heat treatment, annealing temperature is 800 ℃～900 ℃, carry out again drawing Φ 1.6mm → Φ 1.5mm → 0.8 * 2.2mm rectangle material, Φ 1.6mm → 0.8 * 2.2mm adopts cold-drawing process, according to ellipse → ellipse → rectangle → rectangle, join mold technique, Φ 1.6mm → ellipse (Rx1.3, Ry1.8) → oval (Rx1.1, Ry2.0) → rectangle (0.9 * 2.2) → rectangle (0.8 * 2.2) → 0.8 * 2.2mm rectangle material, finally carry out online alignment annealing, annealing temperature is 600 ℃～720 ℃.
Embodiment 2:
Processing method and the step of the Ni-based marmem rectangle of a kind of titanium material of invention are as follows:
Step (1) (2) (3) (4) (5) (6) is identical with embodiment 1,
(7) Φ 1.6mm is annealed after heat treatment, annealing temperature is 800 ℃～900 ℃, carry out again drawing Φ 1.6mm → Φ 1.5mm → 80.8 * 2.2mm arc material, Φ 1.6mm → 0.8 * 2.2mm adopts cold-drawing process, according to ellipse → ellipse → arc → arc, join mold technique, Φ 1.6mm → ellipse (Rx1.3, Ry1.8) → oval (Rx1.1, Ry2.0) → δ 0.9 * 2.2 arc → δ 0.8 * 2.2 arc material, finally carry out online alignment annealing, annealing temperature is 600 ℃～720 ℃.
Embodiment 3:
Processing method and the step of the Ni-based marmem orthohexagonal of a kind of titanium material of invention are as follows:
Step (1) (2) (3) (4) (5) is identical with embodiment 1,
(6) kicker is carried out to drawing, process is as follows:
Φ 7.5mm～Φ 6.1mm drawing temperature is 850 ℃～800 ℃;
Φ 6.1mm～Φ 4.1mm drawing temperature is 800 ℃～750 ℃;
Φ 4.1mm～Φ 2.6mm drawing temperature is 780 ℃～730 ℃;
Φ 2.6mm～Φ 1.4mm drawing temperature is 780 ℃～730 ℃;
(7) Φ 1.6mm is annealed after heat treatment, annealing temperature is 800 ℃～900 ℃, carry out again drawing Φ 1.4mm → Φ 1.25mm → length of side 0.7mm orthohexagonal, Φ 1.4mm → length of side 0.7mm orthohexagonal adopts cold-drawing process, according to circle → square → polygon → polygon, join mold technique, Φ 1.6mm → Φ 1.25mm → square (1.0 * 1.6) → length of side 0.9mm orthohexagonal → length of side 0.8mm orthohexagonal → length of side 0.7mm orthohexagonal material, finally carry out online alignment annealing, annealing temperature is 600 ℃～720 ℃.
Claims (3)
1. a processing method for the Ni-based marmem profile shapes of titanium, is characterized in that the method is: a kind of processing method of super-elastic shape memory alloy profile shapes;
2. the processing method of the Ni-based marmem profile shapes of a kind of titanium according to claim 1, is characterized in that: the titanium nickel circle wire tray that pulls to certain specification is taken turns around line; Rotational line wheel, decontrol the titanium nickel circle silk on the online wheel of coiling, laggard to enter pass be to enter cooling device after circular mould tube reducing through heating arrangements for circle silk, the mould of process different shaped jet holes carries out cold drawing processing continuously afterwards, according to the shape difference of finished product profile shapes, carry out the selection of die draft series, can drawing go out to have the profile shapes of definite shape cross-sectional area, and then carry out online alignment annealing in process through heating arrangements, enter afterwards cooling device, finally be coiled in drive wire wheel upper, drive wire wheel is driven by driving mechanism.
3. the processing method of the Ni-based marmem profile shapes of a kind of titanium according to claim 1, is characterized in that: being applicable to sectional area is 0.20～50mm
2the processing of the profile shapes such as the Ni-based marmem ellipse of titanium, rectangle, arc, polygon.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938003A (en) * | 2014-04-30 | 2014-07-23 | 南昌航空大学 | Preparation method of Ni-Ti-Cu alloy dental arch wire |
| CN106583472A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Semicircular stainless steel profiled bar production method and product thereof |
| CN106583470A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method for U-shaped stainless steel profiled bar and product of production method |
| CN106583471A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method and product of oblong flat-wire stainless steel profiled bar |
| CN106734269A (en) * | 2016-12-16 | 2017-05-31 | 东莞市粤钢不锈钢制品有限公司 | Hexagon stainless steel profile shapes production method and products thereof |
| CN108531779A (en) * | 2018-04-11 | 2018-09-14 | 安徽工业大学 | A kind of wide transformation hysteresis NiTiV marmems of V nano wires enhancing |
| CN109047348A (en) * | 2018-08-03 | 2018-12-21 | 西安兴硕新材料科技有限公司 | A kind of low elastic modulus superelastic nickel-titanium alloy wire material processing method |
| CN112044966A (en) * | 2020-08-31 | 2020-12-08 | 西北有色金属研究院 | Preparation method of nickel-rich nickel-titanium intermetallic compound wire |
| CN112872087A (en) * | 2021-02-27 | 2021-06-01 | 苏州英忆新材料有限公司 | Production method of memory alloy wire capable of being automatically shaped |
| CN112935009A (en) * | 2021-02-27 | 2021-06-11 | 苏州英忆新材料有限公司 | Production method of orthodontic wire capable of automatically shaping oral cavity |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938003A (en) * | 2014-04-30 | 2014-07-23 | 南昌航空大学 | Preparation method of Ni-Ti-Cu alloy dental arch wire |
| CN106583472A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Semicircular stainless steel profiled bar production method and product thereof |
| CN106583470A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method for U-shaped stainless steel profiled bar and product of production method |
| CN106583471A (en) * | 2016-12-16 | 2017-04-26 | 东莞市粤钢不锈钢制品有限公司 | Production method and product of oblong flat-wire stainless steel profiled bar |
| CN106734269A (en) * | 2016-12-16 | 2017-05-31 | 东莞市粤钢不锈钢制品有限公司 | Hexagon stainless steel profile shapes production method and products thereof |
| CN108531779A (en) * | 2018-04-11 | 2018-09-14 | 安徽工业大学 | A kind of wide transformation hysteresis NiTiV marmems of V nano wires enhancing |
| CN109047348A (en) * | 2018-08-03 | 2018-12-21 | 西安兴硕新材料科技有限公司 | A kind of low elastic modulus superelastic nickel-titanium alloy wire material processing method |
| CN109047348B (en) * | 2018-08-03 | 2020-03-17 | 陕西兴硕新材料科技有限公司 | Method for processing low-elasticity-modulus super-elasticity nickel-titanium alloy wire |
| CN112044966A (en) * | 2020-08-31 | 2020-12-08 | 西北有色金属研究院 | Preparation method of nickel-rich nickel-titanium intermetallic compound wire |
| CN112044966B (en) * | 2020-08-31 | 2021-11-26 | 西北有色金属研究院 | Preparation method of nickel-rich nickel-titanium intermetallic compound wire |
| CN112872087A (en) * | 2021-02-27 | 2021-06-01 | 苏州英忆新材料有限公司 | Production method of memory alloy wire capable of being automatically shaped |
| CN112935009A (en) * | 2021-02-27 | 2021-06-11 | 苏州英忆新材料有限公司 | Production method of orthodontic wire capable of automatically shaping oral cavity |
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Application publication date: 20140326 |