CN103160707A - Titanium-nickel-based shape memory alloy material used for fire-fighting automatic temperature control element - Google Patents
Titanium-nickel-based shape memory alloy material used for fire-fighting automatic temperature control element Download PDFInfo
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- CN103160707A CN103160707A CN2011104159259A CN201110415925A CN103160707A CN 103160707 A CN103160707 A CN 103160707A CN 2011104159259 A CN2011104159259 A CN 2011104159259A CN 201110415925 A CN201110415925 A CN 201110415925A CN 103160707 A CN103160707 A CN 103160707A
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Abstract
The present invention relates to a titanium-nickel-based shape memory alloy material used for a fire-fighting automatic temperature control element. The invention helps to preset the material phase transition recovery temperature and improve material temperature control sensitivity by adjusting the Ni content and adding a third element Cu. The titanium-nickel-based alloy includes the main elements of nickel, titanium and copper, and the other inevitable impurities. The alloy includes by weight: 54.5-57.0% of Ni, 5.0-10.0% of Cu, the balance being titanium and other inevitable impurities. The titanium-nickel-based shape memory alloy material is subjected to deep processing or heat treatment to be a fire-fighting automatic temperature control element having a sensitive temperature sensing performance, and the phase transition temperature tolerance can be controlled within +/-3 DEG C. In the process of deep processing, surface precision treatment of pulse current electrolytic polishing is used, thereby guaranteeing the dimensional accuracy and good surface quality. The titanium-nickel-based shape memory alloy material can be prepared into circular shape, square shape, sawtooth shape, spring shape and other shapes, and can be used in various fire-fighting alarm boot devices.
Description
Technical field
The present invention relates to the automatic temperature-controlled element of a kind of fire-fighting with the Ni-based shape memory alloy material of titanium, change the transformation temperature of automatic temperature-controlled element and improve the alloy material of the temperature control sensitivity of material by regulating the Ni constituent content and adding element Cu.
Background technology
China's fire takes place frequently in recent years, and the country and people's lives and properties have been caused massive losses, and fire protection alarm system is as the important mechanisms of fire prevention, and it is particularly important that its reliability just seems.The automatic temperature-controlled element of Ti-Ni marmem replaces conventional heat-sensitive element, is applied in the fire detector of fire protection alarm system, has highly sensitive, simple in structure, stable performance, repeatedly used characteristics; According to requirements, can be prepared into the shapes such as circular arc, square, spination, spring, be applicable to various fire protection warning starter gears, meet that people are highly sensitive to fire protection alarm system, the demand of reliability.
Summary of the invention
The automatic temperature-controlled element of fire-fighting of the present invention is the automatic temperature-controlled element of being made by the TiNiCu shape memory alloy with the Ni-based shape memory alloy material of titanium, and be arranged in the fire protection warning starter gear, default phase transformation recovery temperature is in 50-120 ℃ of scope, when envrionment temperature meets or exceeds the phase transformation recovery temperature of shape memory alloy, TiNiCu shape memory alloy temperature sense Automatic Control Component is started working, produce the variation of shape, thereby trigger the running gear action, drive the work of fire protection warning starter gear, start guard signal.When envrionment temperature dropped to set(ting)value, Automatic Control Component returned to original state, and warning stops.But the automatic temperature-controlled element of this memorial alloy has the advantages such as easy processing, highly sensitive Reusability, can be made as the shapes such as circular arc, square, spination, spring, use with the fire protection warning starter gear in.
The automatic temperature-controlled element of the fire-fighting that the present invention relates to is as follows with the Ni-based shape memory alloy material component of titanium: the consisting of of TiNiCu alloy (weight percent): nickel 54.5%-57.0%, and copper 5.0～10.0% remains and is titanium; Other are inevitable impurity.
The preparation method of titanium nickel-bass alloy material involved in the present invention comprises the following steps:
(1) take 0 grade of titanium sponge (Ti), 1 grade of electrolytic nickel (Ni), oxygen free copper (Cu) by proportioning;
(2) wherein titanium sponge is pressed into Φ 30mm electrode block, and sheet nickel rolls into Φ 130mm nickel cylinder.Titanium sponge electrode block (and Cu) is added in the nickel cylinder, and evenly distribution, compacting, be prepared into the induction melting electrode.Electrode carries out melting in induction melting furnace in a vacuum frequently, and melting pours into the TiNiCu alloy cast ingot after finishing.
(3) with the above-mentioned TiNiCu alloy cast ingot that makes, use air hammer to be forged into 50mm bar base, then be rolled into the bar of Φ 15-Φ 21; Or be rolled into Φ 8.5mm line base, by the silk material of hot pull output Φ 0.8～Φ 10mm specification; Or be rolled into the sheet material of δ 2.0～0.7mm specification; The Ti-Ni alloy rod, silk, the sheet material that obtain according to above working method carry out further deep processing and are heat-treated to automatic temperature-controlled element.
The automatic temperature-controlled element of the fire-fighting of the present invention advantage of TiNiCu alloy material:
(1) TiNiCu alloy material of the present invention is through (450～550 ℃) * (10～60) min thermal treatment, and material has sensitive temperature sense performance, and the transformation temperature tolerance can be controlled in ± 3 ℃ in.
(2) material is easy to processing, can be prepared into the automatic temperature-controlled element of the shapes such as circular arc, square, spination, spring.
(3) adopt the accurate processing of pulsed current electrolysis polished surface in the material deep-processing process,, guaranteed the dimensional precision of element and good surface quality.
(4) the automatic temperature-controlled element of TiNiCu alloy material has good corrosion resistance nature, and is nonmagnetic, simple in structure, stable performance, but Reusability.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
The automatic temperature-controlled element of the fire-fighting that the present invention relates to is as follows with the Ni-based shape memory alloy material component of titanium: the consisting of of TiNiCu alloy (weight percent): nickel 54.5%-57.0%, and copper 5.0～10.0% remains and is titanium; Other are inevitable impurity.
Embodiment 1:
(1) take 0 grade of titanium sponge (Ti), 1 grade of electrolytic nickel (Ni) and oxygen free copper (Cu) by proportioning.
(2) wherein titanium sponge is pressed into electrode block, and sheet nickel rolls into the nickel cylinder.Titanium sponge electrode block is added in the nickel cylinder, and evenly distribution, compacting, be prepared into electrode.Electrode carries out melting in induction melting furnace in a vacuum frequently, and melting pours into the TiNi alloy cast ingot after finishing.
(3) with the above-mentioned TiNiCu alloy cast ingot that makes after homogenizing is processed and is stripped off the skin, use air hammer to be forged into 50mm bar base, be rolled into Φ 8.5mm line base, produce Φ 1.5mm trimmed size silk material through hot pull.
(4) the above-mentioned silk material that makes is carried out (450～550 ℃) * (10～60) min thermal treatment.
(5) choose the pure titanium rod of certain specification, adopt the line cutting or prepare the certain moduli tool with lathe.
(6) the silk material after thermal treatment in step (4) is wrapped on special dies is prepared into Automatic Control Component temperature control spring through (450～550 ℃) * (10～60) minute thermal treatment.
Embodiment 2:
(1), (2) are identical with embodiment 1 step.
(3) with the above-mentioned TiNiCu alloy cast ingot that makes after homogenizing is processed and is stripped off the skin, then cogging, forging are rolled into the sheet material of δ 1.2mm specification.
(4) the above-mentioned bar that makes is carried out (450～550 ℃) * (10～60) min thermal treatment.
(5) cutting is prepared into the automatic temperature-controlled elements such as circular arc, square, spination through line with the above-mentioned sheet material that makes.
(6) above-mentioned temperature control spring is adopted pulsed current electrolysis polishing technology carry out polishing.
Embodiment 3:
(1), (2) are identical with embodiment 1 step.
(3) with the above-mentioned low gap TiNiCu alloy cast ingot that makes after homogenizing is processed and is stripped off the skin, be forged into the bar of Φ 21mm specification, then align, be ground to the optical wand of Φ 20mm.
(4) with after above-mentioned bar process (450～500 ℃) * (10～30) minute thermal treatment that makes, the line cutting is prepared into circular arc, square or jagged automatic temperature-controlled element.
(5) above-mentioned temperature control spring is adopted pulsed current electrolysis polishing technology carry out polishing.
Claims (7)
1. the automatic temperature-controlled element of fire-fighting with the Ni-based shape memory alloy material of titanium, is characterized in that the main group of components of alloy becomes nickel, titanium, copper, and other are inevitable impurity.Consist of (weight percent): nickel 54.5%-57.0%, copper 5.0～10.0% remains and is titanium; Other are inevitable impurity.
2. the automatic temperature-controlled element of a kind of fire-fighting according to claim 1 is with the Ni-based shape memory alloy material of titanium, and it is characterized in that: the default phase transformation recovery temperature of material is in 50-120 ℃ of scope.
3. the automatic temperature-controlled element of a kind of fire-fighting according to claim 1 is with the Ni-based shape memory alloy material of titanium, it is characterized in that: through (450～550 ℃) * (10～60) min thermal treatment, material has sensitive temperature sense performance, and the transformation temperature tolerance can be controlled in ± 3 ℃ in.
4. the automatic temperature-controlled element of a kind of fire-fighting according to claim 1 is with the Ni-based shape memory alloy material of titanium, and it is characterized in that: material is easy to processing, can be prepared into the automatic temperature-controlled element of the shapes such as circular arc, square, spination, spring.
5. the automatic temperature-controlled element of a kind of fire-fighting according to claim 1 is with the Ni-based shape memory alloy material of titanium, it is characterized in that: when envrionment temperature reaches preset temp (50-120 ℃), the variation of automatic temperature-controlled element generation shape in claim 3, thereby trigger the running gear action, drive the work of fire protection warning starter gear, start guard signal.
6. the automatic temperature-controlled element of a kind of fire-fighting according to claim 1 is with the Ni-based shape memory alloy material of titanium, it is characterized in that: adopt the accurate processing of pulsed current electrolysis polished surface in deep-processing process, guaranteed the dimensional precision of element and good surface quality.
7. the automatic temperature-controlled element of a kind of fire-fighting according to claim 1 is with the Ni-based shape memory of titanium credit union material, and it is characterized in that: automatic temperature-controlled element has good corrosion resistance nature, and is nonmagnetic, simple in structure, stable performance, but Reusability.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886978A (en) * | 2016-04-28 | 2016-08-24 | 山东大学 | Manufacturing method of intelligent driving plate of over-high temperature early warning device |
| CN107173302A (en) * | 2017-05-31 | 2017-09-19 | 上海大学 | The temp auto-controlled heater of tropical aquarium |
| CN108070773A (en) * | 2017-12-18 | 2018-05-25 | 西安赛特思迈钛业有限公司 | A kind of Ni-based hexa-atomic memorial alloy of medical titanium |
| CN108831092A (en) * | 2018-07-09 | 2018-11-16 | 安徽三六五办公科技有限公司 | A kind of fire protection warning equipment |
| CN108846986A (en) * | 2018-07-09 | 2018-11-20 | 安徽三六五办公科技有限公司 | A kind of fire protection warning structure |
| CN108888894A (en) * | 2018-07-09 | 2018-11-27 | 安徽三六五办公科技有限公司 | A kind of fire-fighting fire-extinguishing equipment |
| CN108888893A (en) * | 2018-07-09 | 2018-11-27 | 安徽三六五办公科技有限公司 | A kind of automatic fire extinguisher |
| CN111235432A (en) * | 2019-12-30 | 2020-06-05 | 苏州国嘉记忆合金有限公司 | Memory alloy muscle shreds with long fatigue life and preparation method thereof |
| WO2024179296A1 (en) * | 2023-02-28 | 2024-09-06 | 香港科技大学 | Nickel-titanium alloy, and preparation method therefor and use thereof |
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| WO1996039547A2 (en) * | 1995-06-01 | 1996-12-12 | The Regents Of The University Of California | Multiple source deposition of shape-memory alloy thin films |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886978A (en) * | 2016-04-28 | 2016-08-24 | 山东大学 | Manufacturing method of intelligent driving plate of over-high temperature early warning device |
| CN105886978B (en) * | 2016-04-28 | 2017-12-01 | 山东大学 | A kind of preparation method of overheating warning device intelligent drives piece |
| CN107173302A (en) * | 2017-05-31 | 2017-09-19 | 上海大学 | The temp auto-controlled heater of tropical aquarium |
| CN108070773A (en) * | 2017-12-18 | 2018-05-25 | 西安赛特思迈钛业有限公司 | A kind of Ni-based hexa-atomic memorial alloy of medical titanium |
| CN108831092A (en) * | 2018-07-09 | 2018-11-16 | 安徽三六五办公科技有限公司 | A kind of fire protection warning equipment |
| CN108846986A (en) * | 2018-07-09 | 2018-11-20 | 安徽三六五办公科技有限公司 | A kind of fire protection warning structure |
| CN108888894A (en) * | 2018-07-09 | 2018-11-27 | 安徽三六五办公科技有限公司 | A kind of fire-fighting fire-extinguishing equipment |
| CN108888893A (en) * | 2018-07-09 | 2018-11-27 | 安徽三六五办公科技有限公司 | A kind of automatic fire extinguisher |
| CN111235432A (en) * | 2019-12-30 | 2020-06-05 | 苏州国嘉记忆合金有限公司 | Memory alloy muscle shreds with long fatigue life and preparation method thereof |
| WO2024179296A1 (en) * | 2023-02-28 | 2024-09-06 | 香港科技大学 | Nickel-titanium alloy, and preparation method therefor and use thereof |
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Application publication date: 20130619 |