CN107299418A - A kind of Ni Mn Ga alloy fibers that can be used for weaving and preparation method - Google Patents
A kind of Ni Mn Ga alloy fibers that can be used for weaving and preparation method Download PDFInfo
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- CN107299418A CN107299418A CN201710474048.XA CN201710474048A CN107299418A CN 107299418 A CN107299418 A CN 107299418A CN 201710474048 A CN201710474048 A CN 201710474048A CN 107299418 A CN107299418 A CN 107299418A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/005—Alloys based on nickel or cobalt with Manganese as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Inorganic Fibers (AREA)
- Woven Fabrics (AREA)
Abstract
A kind of Ni Mn Ga alloy fibers that can be used for weaving, textile fabric field.The composition of the alloy fiber is Ni50+xMn23+ yGa27‑x‑y(2≤x≤4,2≤y≤4).Dispensing is carried out according to nominal composition, is passed through in vacuum under the protection of argon gas, using arc melting into alloy pig, after heat treatment, using Taylor's fluxing technique, alloy fiber is prepared by water cooling.The alloy fiber prepared is martensitic structure at normal temperatures, and diameter is between 5 100 μm, and length is up to 5 200cm.Ni Mn Ga alloy fiber tensile strength is larger, at normal temperatures can arbitrarily flexural deformation, pliability with weaving used in general fibre silk thread it is close, can be used as textile fabric, be woven into cloth or be woven in fabric.The clothing being woven into using Ni Mn Ga alloy fibers, with functions such as radiation proof, magnetic screens, is comfortably easy to dress；The wire that can effectively solve to play shielding action in textile fabric field, clothes is iron wire or stainless steel wire, because the two rigidity is excessive, it is impossible to the problem of meeting the demand of clothes pliability.
Description
【Technical field】
The invention belongs to textile fabric field, and in particular to a kind of Ni-Mn-Ga alloy fibers that can be used for weaving.
【Background technology】
At present, as the improvement of people's living standards, requirement more and more higher to clothing.The need for work etc., people
It is not only comfortable to daily worn clothes, and there is the functions such as radiation proof, magnetic screen.But there is anti-spoke now
Penetrate, the clothes of the function such as magnetic screen, the typically this compound special fabric of wire in based on embedded clothes is made, used
Wire is typically iron or fine stainless steel wire.Such as Chinese patent CN104746194A《One kind electromagnetic shielding radiation proof family expenses
Textile fiber material and its fabric and application》.Because iron wire or fine stainless steel wire rigidity are excessive, pliability far can not be met
Spend the demand of clothes comfort level.Therefore, researching and developing a kind of alloy fiber of high-flexibility becomes key.
Ferromagnetic shape memory alloys are by without the new of diffusion martensitic traoformation and the ingenious combination of ferromagnetism of such alloy
Functional material.Martensitic phase can occur under temperature field, stress field and magnetic field for current Heusler type Ni-Mn-Ga alloy systems
Become, and its Polycrystalline have multi-functional characteristic include preferable SME, Magnetic Field-Induced recovery of shape strain and
Higher field drives efficiency etc., while the relative low price of such material so that Ni-Mn-Ga alloys turn into more suitable for
Practical application new function material.
A kind of soft Ni-Mn-Ga alloy fibers belong to shape memory alloy wire material, and its memory effect is come under low temperature
Martensitic traoformation.At a lower temperature, Ni-Mn-Ga alloys are in martensitic structure, there are the martensite of three types, i.e., 5 layer
Modulated martensite (5M), 7 layers of modulated martensite (7M) and non-modulation martensite (NM).Ni-Mn-Ga alloys under martensitic state
In sheet martensitic twin variant, the reorientation of martensitic twin variant, shows as macroshape with stress under stress
Effect changes.This martensite variants structure so that Ni-Mn-Ga alloy fibers have pliability, it is and general used in weaving
Perforating fiber is close, can be achieved arbitrary flexural deformation, and with tension it is slight it is larger, be difficult to break the characteristics of.
Ni-Mn-Ga alloy martensite transformation temperatures are especially sensitive to composition, can be by adjusting the atom between each element
Than, the martensitic transformation point of Ni-Mn-Ga alloy fibers is adjusted the corresponding temperature range more than room temperature by use requirement,
Ni-Mn-Ga alloy fibers are in martensitic structure under temperature in use, with pliability.Therefore, Ni-Mn-Ga alloy fibers can be used as
Textile fabric is organized in fabric, for preparing the safety clothing with functions such as radiation proof, magnetic screens.
【The content of the invention】
It is an object of the invention to provide a kind of Ni-Mn-Ga alloy fibers that can be used for weaving, the alloy prepared is fine
Dimension possesses pliability, can arbitrarily flexural deformation, tensile strength is larger, close with the general fibre silk thread used in weaving, can be used as
Textile fabric is woven in fabric.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of Ni-Mn-Ga alloy fibers that can be used for weaving, alloy fiber silk possesses pliability, with can arbitrarily bend change
Shape, tensile strength is larger, and weaving general fibre used is close, can be used as textile fabric or is woven in fabric.
The B alloy wire composition is：Ni50+xMn23+yGa27-x-y(2≤x≤4,2≤y≤4)。
The alloy fiber length of preparation is up to 5-200cm, and diameter is between 5-100 μm, the smooth rounding in alloy fiber surface.
A kind of preparation method for the Ni-Mn-Ga alloy fibers that can be used for weaving, methods described is carried out according to the following steps：
(1) melting
According to nominal composition Ni50+xMn23+yGa27-x-y(atomic ratio of 2≤x≤4,2≤y≤4), weighing and burden, list used
Matter Ni, Mn, Ga purity are more than 99.98%.Above-mentioned simple substance is put into arc-melting furnace, high vacuum (~x10 is extracted into- 4Pa) after state, argon gas is filled with to carrying out after 0.05MPa overturning 4-5 time in melting, fusion process, and utilization electromagnetic agitation is uniform
Chemical conversion point, reduces degree of segregation, obtains alloy pig.
(2) it is heat-treated
The alloy pig that melting is obtained, encloses in quartz ampoule together with titanium block, simple substance manganese piece, is put into batch annealing.
Titanium block is used for anti-oxidation, and simple substance manganese piece is applied in quartz ampoule form Mn atmosphere, reduces Mn volatilization.Annealing temperature is
900-1000 DEG C, then annealing time 5 to 48 hours carries out Water Quenching.
(3) alloy fiber is prepared using Taylor's fluxing technique：The preparation of Ni-Mn-Ga fibers uses glass fluxing technique
Wire drawing machine, glass fluxing technique wire drawing machine patent publication No. is CN102127720A.Alloy pig after annealing is cut into fritter, through beating
After mill, cleaning, drying, it is fitted into glass tube；Start vacuum system and vacuumize rear applying argon gas to 0.1Pa, and utilize vacuum system
Gas washing 2-5 times, to reduce alloy oxidation degree；Start high-frequency induction heating apparatus, treat that alloy fully melts and come to life, glass
During bottom of the tube melting softening, alloy fine wire is quickly drawn from glass bottom of the tube with the glass bar with tip, by way of water cooling
Cooling, that is, obtain a diameter of 5-100 μm, length be 5-200cm Ni-Mn-Ga alloy fibers；Prepared alloy fiber surface
Form uniform glass bag coating.
(4) glass bag coating is removed
Because the filament pliability prepared is high, it is possible to achieve arbitrarily bending deformation, and glassy layer is very crisp, so fiber
After repeatedly bending, the glassy layer that surface is coated almost is removed completely.The glassy layer that few part is not removed, can pass through
The slight friction of sand paper dabs removal with hydrofluoric acid is moistened with, and the smooth rounding in alloy fiber surface finally gives a kind of available
In the Ni-Mn-Ga alloy fibers of weaving.
Alloy fiber of the present invention is compared with conventional metals silk fiber, and beneficial effect is：
(1) alloy fiber pliability is high, the smooth rounding in surface, can arbitrarily flexural deformation, tensile strength is also larger, not easy-to-draw
It is disconnected.
(2) alloy fiber can be used as textile fabric silk thread, is woven into the cloth of softness or is woven in fabric.
(3) clothing prepared with cloth containing alloy fiber, possesses electromagnetic shielding radiation proof function.
【Brief description of the drawings】Fig. 1 is the XRD spectrum of Ni-Mn-Ga alloy fibers of the present invention at room temperature.
Fig. 2 is the microcosmic SEM image of Ni-Mn-Ga alloy fibers surface topography of the present invention.
Fig. 3 is the microcosmic SEM image of Ni-Mn-Ga alloy fibers knotting state of the present invention.
Fig. 4 is the microcosmic SEM image of Ni-Mn-Ga alloy fibers kinked condition of the present invention.
【Embodiment】
The specific implementation method to the present invention is described further below.
Implement a kind of Ni-Mn-Ga alloy fibers that can be used for weaving provided by the present invention, its composition is：Ni50+xMn23+ yGa27-x-y(2≤x≤4,2≤y≤4).In Ni-Mn-Ga systems alloy, alloy in itself in the martensitic state when, have three kinds
The martensite of type：5 layers of modulated martensite (5M), 7 layers of modulated martensite (7M), non-modulation martensite (NM).Ni-Mn-Ga is closed
The XRD results of golden fiber are as shown in figure 1, the peak position marked is martensite peak.As shown in Fig. 2 the Ni-Mn-Ga prepared is closed
Golden fiber surface is martensitic twin lamellar structure, is had nothing in common with each other in the orientation of sheet martensitic twin variant.Martensite
Ni-Mn-Ga alloy fibers under state are in the twin variant structure of sheet, twin variant reorientation, table under stress
It is now the achievable flexural deformation of Ni-Mn-Ga alloy fibers silk, therefore Ni-Mn-Ga alloy fibers have very big pliability, can
Knotted with any bending as shown in figure 3, the deformation that can also arbitrarily be twisted together with the fold of fabric is as shown in Figure 4.
Example 1：A kind of Ni-Mn-Ga alloy fibers that can be used for weaving, composition is Ni52Mn25Ga23, correspondence molecular formula
Ni50+xMn23+yGa27-x-y(x=2, y=2).
The Ni-Mn-Ga alloy fiber preparation methods that can be used for weaving in the present embodiment are as follows：
(1) melting
According to nominal composition Ni52Mn25Ga23Atomic ratio, weighing and burden, simple substance Ni, Mn, Ga used purity exists
More than 99.98%.By above-mentioned simple substance after the cleaning of the steps such as cutting, ultrasonic vibration, it is put into arc-melting furnace, is extracted into Gao Zhen
Sky (~x10-4Pa) after state, argon gas is filled with to carrying out melting after 0.05MPa.In fusion process, electrode end is maintained at sample
At the 2-3cm of top, uniformly sample is heated, overturn 4 times, and composition is homogenized using electromagnetic agitation, degree of segregation is reduced, obtains
The alloy pig of the alloy.Until furnace chamber is cooled to after room temperature and taken out.
(2) it is heat-treated
By the alloy pig that melting is obtained in (1), enclose in quartz ampoule, put together with 2-4 grams of titanium block, 3-4 grams of simple substance manganese piece
Enter batch annealing.Do not contacted with each other between button ingot, titanium block and manganese piece.Titanium block is used for anti-oxidation, and simple substance manganese piece is used for
Mn atmosphere is formed in quartz ampoule, to reduce the volatilization of Mn in alloy pig.Annealing temperature is 900 DEG C, and annealing time is 48 hours,
Then Water Quenching is carried out to alloy pig.
(3) alloy fiber is prepared with Taylor's fluxing technique
The alloy pig being thermally treated resulting in (2) is cut to the fritter for being cut into that the length of side is 4mm, diameter 10mm, length is put into
In 15mm high boron glass pipe (Pyrex), the alloy fiber is prepared with Taylor's fluxing technique.Fiber prepares and uses glass
Glass coats wire drawing machine, and glass fluxing technique wire drawing machine patent publication No. is CN102127720A.By glass tube and glass fluxing technique wire drawing machine
Vacuum system connection, open cooling system recirculated water, start vacuum system and vacuumize rear applying argon gas to 0.1Pa, and using true
Empty set system gas washing 2-5 times, to reduce alloy oxidation degree.Start high-frequency induction heating apparatus and infrared temperature measurement apparatus, treat combined glass
Alloy, which fully melts, in glass pipe comes to life, during the melting softening of glass bottom of the tube, with the sophisticated glass bar of band from glass bottom of the tube
It is quick to draw alloy fine wire, cooled down by way of water cooling or air cooling, that is, obtain a diameter of 5-100 μm, length be 5-200cm's
Ni52Mn25Ga23Alloy fiber, alloy fiber surface has uniform glass bag coating.
(4) glass bag coating is removed
Because the Ni-Mn-Ga alloy fibers pliability prepared is high, it is possible to achieve arbitrarily bending deformation, and glassy layer is very
Crisp, so alloy fiber is after repeatedly bending shake, the glassy layer that surface is coated almost is removed completely.Few part is not gone
The glassy layer removed, can dab removal by the friction of sand paper slightly or with the cotton-padded covering for being moistened with hydrofluoric acid.Finally give available
In weaving composition be Ni52Mn25Ga23Alloy fiber, the alloy fiber pliability is high, the smooth rounding in surface, and used in weaving
General fibre silk thread is close, can arbitrarily flexural deformation, tensile strength is larger, can be used as textile fabric or is woven in fabric.
A kind of Ni-Mn-Ga alloy fibers silk that can be used for weaving of example 2, composition is Ni53Mn26Ga21, correspondence molecular formula
Ni50+xMn23+yGa27-x-y(x=3, y=3).
The Ni-Mn-Ga alloy fibers silk preparation method that can be used for weaving in the present embodiment is as follows：
(1) melting
According to nominal composition Ni53Mn26Ga21Atomic ratio, weighing and burden, simple substance Ni, Mn, Ga used purity exists
More than 99.98%.By above-mentioned simple substance after the cleaning of the steps such as cutting, ultrasonic vibration, it is put into arc-melting furnace, is extracted into Gao Zhen
Sky (~x10-4Pa) after state, argon gas is filled with to carrying out melting after 0.05MPa.In fusion process, electrode end is maintained at sample
At the 2-3cm of top, uniformly sample is heated.Sample is overturn 4 times, and homogenizes composition using electromagnetic agitation, reduces degree of segregation,
Obtain the alloy pig of the alloy.Until furnace chamber is cooled to after room temperature and taken out.
(2) it is heat-treated
By the alloy pig that melting is obtained in (1), enclose in quartz ampoule, put together with 2-4 grams of titanium block, 3-4 grams of simple substance manganese piece
Enter batch annealing.Do not contacted with each other between alloy pig, titanium block and manganese piece.Titanium block is used for anti-oxidation, and simple substance manganese piece is used for
Mn atmosphere is formed in quartz ampoule, to reduce the volatilization of Mn in alloy pig.Annealing temperature is 950 DEG C, and annealing time is 48 hours,
Then Water Quenching is carried out to alloy pig.
(3) microfilament is prepared with Taylor's fluxing technique
The button ingot being thermally treated resulting in (2) is cut to the fritter for being cut into that the length of side is 4mm, diameter 10mm, length is put into
In 15mm high boron glass pipe (Pyrex), the alloy is prepared with Taylor's fluxing technique.Fiber prepares and uses glass bag
Wire drawing machine is covered, the patent publication No. of glass fluxing technique wire drawing machine is CN102127720A.By glass tube and glass fluxing technique wire drawing machine
Vacuum system is connected, and opens cooling system recirculated water, is started vacuum system and is vacuumized rear applying argon gas to 0.1Pa, and utilizes vacuum
System gas washing 2-5 times, to reduce alloy oxidation degree.Start high-frequency induction heating apparatus and infrared temperature measurement apparatus, treat combined glass glass
Alloy fully melts and come to life in pipe, fast from glass bottom of the tube with the glass bar with tip during the melting softening of glass bottom of the tube
Speed draws alloy fine wire, cooled down by way of water cooling or air cooling, that is, obtains a diameter of 5-100 μm, length is 5-200cm
Ni53Mn26Ga21Alloy fiber, B alloy wire surface has uniform glass bag coating and high roundness.
(4) glass bag coating is removed
Because the microfilament pliability prepared is high, it is possible to achieve arbitrarily bending deformation, and glassy layer is very crisp, so alloy is fine
Dimension is after repeatedly bending shake, and the glassy layer that surface is coated almost is removed completely.The glassy layer that few part is not removed, can
To dab removal by the slight friction of sand paper or with the cotton-padded covering for being moistened with hydrofluoric acid.Finally give and be available for the composition of weaving
Ni53Mn26Ga21Alloy fiber, the alloy fiber pliability is high, close with the general fibre silk thread used in weaving, can arbitrarily bend
Deformation, tensile strength is larger, can be used as textile fabric or is woven in fabric.
Example 3
A kind of Ni-Mn-Ga alloy fibers silk that can be used for weaving, composition is Ni54Mn27Ga19, correspondence molecular formula Ni50+ xMn23+yGa27-x-y(x=4, y=4).
The Ni-Mn-Ga alloy fibers silk preparation method that can be used for weaving in the present embodiment is as follows：
(1) melting
According to nominal composition Ni54Mn27Ga19Atomic ratio, weighing and burden, simple substance Ni, Mn, Ga used purity exists
More than 99.98%.By above-mentioned simple substance after the cleaning of the steps such as cutting, ultrasonic vibration, it is put into arc-melting furnace, is extracted into Gao Zhen
Sky (~x10-4Pa) after state, argon gas is filled with to carrying out melting after 0.05Mpa.In fusion process, electrode end is maintained at sample
At the 2-3cm of top, uniformly sample is heated.Sample is overturn 4 times, and homogenizes composition using electromagnetic agitation, reduces degree of segregation,
Obtain the alloy pig of the alloy.Until furnace chamber is cooled to after room temperature and taken out.
(2) it is heat-treated
By the button ingot that melting is obtained in (1), enclose in quartz ampoule, put together with 2-4 grams of titanium block, 3-4 grams of simple substance manganese piece
Enter batch annealing.Do not contacted with each other between button ingot, titanium block and manganese piece.Titanium block is used for anti-oxidation, and simple substance manganese piece is used for
Mn atmosphere is formed in quartz ampoule, to reduce the volatilization of Mn in alloy pig.Annealing temperature is 950 DEG C, and annealing time is 2.5 days,
Then Water Quenching is carried out to button ingot.
(3) microfilament is prepared with Taylor's fluxing technique
The button ingot being thermally treated resulting in (2) is cut to the fritter for being cut into that the length of side is 4mm, diameter 10mm, length is put into
In 15mm high boron glass pipe (Pyrex), the alloy fiber is prepared with Taylor's fluxing technique.Fiber prepares and uses glass
Glass coats wire drawing machine, and the patent publication No. of glass fluxing technique wire drawing machine is CN102127720A.By glass tube and glass fluxing technique wire drawing
Machine vacuum system is connected, and opens cooling system recirculated water, is started vacuum system and is vacuumized rear applying argon gas to 0.1Pa, and using very
Empty set system gas washing 2-5 times, to reduce alloy oxidation degree.Start high-frequency induction heating apparatus and infrared temperature measurement apparatus, treat combined glass
Alloy, which fully melts, in glass pipe comes to life, during the melting softening of glass bottom of the tube, with the sophisticated glass bar of band from glass bottom of the tube
It is quick to draw alloy fine wire, cooled down by way of water cooling or air cooling, that is, obtain a diameter of 5-100 μm, length be 5-200cm's
Ni54Mn27Ga19Alloy fiber, B alloy wire surface has uniform glass bag coating and high roundness.
(4) glass bag coating is removed
Because the microfilament pliability prepared is high, it is possible to achieve arbitrarily bending deformation, and glassy layer is very crisp, so microfilament is passed through
Cross after repeatedly bending shake, the glassy layer that surface is coated almost is removed completely.The glassy layer that few part is not removed, Ke Yitong
Cross the slight friction of sand paper or dab removal with the cotton-padded covering for being moistened with hydrofluoric acid.Finally give and be approximately available for the composition of weaving
Ni54Mn27Ga19Alloy fiber silk, the B alloy wire pliability is high, close with the general fibre silk thread used in weaving, can arbitrarily bend
Deformation, tensile strength is larger, can be used as textile fabric or is woven in fabric.
Claims (2)
1. a kind of Ni-Mn-Ga alloy fibers that can be used for weaving, it is characterised in that：Its atom percentage content is Ni50+xMn23+ yGa27-x-y(2≤x≤4,2≤y≤4), and simple substance material N i, Mn and Ga purity used is more than 99.98wt.%；For spinning
The Ni-Mn-Ga alloy fibers knitted, a diameter of 5-100 μm, length is 5-200cm.
2. can be used for the preparation method of the Ni-Mn-Ga alloy fibers of weaving according to claim 1, its characteristic is following
Step：
(1) melting；According to alloy nominal composition Ni50+xMn23+yGa27-x-y(the atomic percent of 2≤x≤4,2≤y≤4), by institute
Ni, Mn, the Ga needed is weighed one by one, and quality is accurate to thousand points of positions, is then carried out melting using high vacuum electric arc furnaces, is extracted into
After high vacuum state, it is filled with argon gas and carries out melting, in order to ensure the uniformity of alloying component, alloy answers melt back more than 4 times,
And should ensure that in middle fusion process twice and coordinate electromagnetic agitation；After the completion of melting, in order to reduce the volatilization pair of Mn elements as far as possible
The influence that alloying component is caused, weighing the alloy pig within master alloy ingot quality, mass deviation 1% could be used for carrying out next step
Production；
(2) it is heat-treated：Alloy pig, titanium block, the simple substance manganese block that melting is obtained are enclosed in quartz ampoule together, are put into batch-type furnace
Annealing heat-treats are homogenized, annealing temperature is 900-1000 DEG C, is annealed 5 to 48 hours, then to carrying out water quenching.
(3) alloy fiber is prepared using Taylor's fluxing technique：Alloy pig after annealing is cut into fritter, through polishing, cleaning,
After drying, it is fitted into Pyrex glass tubes；Start vacuum system and vacuumize rear applying argon gas to 0.1Pa, and utilize vacuum system gas washing
2-5 times, to reduce alloy oxidation degree；Start high-frequency induction heating apparatus, treat that alloy fully melts and come to life, glass tube bottom
During portion's melting softening, alloy fine wire is quickly drawn from glass bottom of the tube with the glass bar with tip, is cooled down by way of water cooling,
Obtain a diameter of 5-100 μm, length be 5-200cm Ni-Mn-Ga alloy fibers；Prepared alloy fiber surface is formed
Uniform glass bag coating.
(4) glass bag coating is removed：Because the alloy fiber pliability prepared is high, it can realize that arbitrarily bending is deformed, and glass
Layer is very crisp, and the glassy layer that fiber surface is coated can be removed by repeatedly shake, and the glassy layer that few part is not removed passes through
The slight friction of sand paper dabs removal with the cotton-padded covering for being moistened with hydrofluoric acid, finally gives a kind of Ni-Mn-Ga that can be used for weaving
Alloy fiber.
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| CN201710474048.XA CN107299418A (en) | 2017-06-21 | 2017-06-21 | A kind of Ni Mn Ga alloy fibers that can be used for weaving and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107900297A (en) * | 2017-11-07 | 2018-04-13 | 浙江大学 | A kind of marmem micrometer fibers preparation facilities and its method |
| CN110923510A (en) * | 2019-12-16 | 2020-03-27 | 大连大学 | Preparation method of high preferred orientation NiMnGa magnetic memory alloy wire |
| CN112899590A (en) * | 2021-01-18 | 2021-06-04 | 沧州市东众特种合金制造有限公司 | Wrought aluminum alloy of aluminum, zinc, magnesium, scandium system and method for producing same |
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| CN105648275A (en) * | 2016-03-25 | 2016-06-08 | 北京科技大学 | Ni-Mn-Ga alloy fiber yarn capable of being used for spinning and preparation method thereof |
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| CN105648275A (en) * | 2016-03-25 | 2016-06-08 | 北京科技大学 | Ni-Mn-Ga alloy fiber yarn capable of being used for spinning and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900297A (en) * | 2017-11-07 | 2018-04-13 | 浙江大学 | A kind of marmem micrometer fibers preparation facilities and its method |
| CN107900297B (en) * | 2017-11-07 | 2019-10-15 | 浙江大学 | A kind of preparation method of Ni-Mn-Ga suitable shape memory alloy micrometer fibers |
| CN110923510A (en) * | 2019-12-16 | 2020-03-27 | 大连大学 | Preparation method of high preferred orientation NiMnGa magnetic memory alloy wire |
| CN110923510B (en) * | 2019-12-16 | 2021-08-31 | 大连大学 | Preparation method of high preferred orientation NiMnGa magnetic memory alloy wire |
| CN112899590A (en) * | 2021-01-18 | 2021-06-04 | 沧州市东众特种合金制造有限公司 | Wrought aluminum alloy of aluminum, zinc, magnesium, scandium system and method for producing same |
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Application publication date: 20171027 |