CN108342615B - A kind of preparation method of anion emission needle - Google Patents
A kind of preparation method of anion emission needle Download PDFInfo
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- CN108342615B CN108342615B CN201810181190.XA CN201810181190A CN108342615B CN 108342615 B CN108342615 B CN 108342615B CN 201810181190 A CN201810181190 A CN 201810181190A CN 108342615 B CN108342615 B CN 108342615B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
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- 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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
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Abstract
The invention discloses a kind of preparation methods of anion emission needle, using following steps: step 1, ingot blank preparation: the chemical component of ingot blank is niobium, titanium, graphene, the composition of niobium, titanium, graphene is added to melting in electron-beam furnace, after stirring, it is cast into ingot blank, is cooled to room temperature.Step 2, forging and heat treatment: ingot blank is cut into alloy bar material, successively through swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, then sheet alloy is made annealing treatment, is cooled to room temperature.Machining: sheet alloy is divided into multiple rod of metal alloy, and rod of metal alloy is processed into transmitting needle by step 3.Step 4, surface treatment: it is gold-plated to the surface progress of transmitting needle, it is formed on its surface Gold plated Layer.Transmitting needle electric conductivity disclosed by the invention is splendid, and anion burst size is more, distance is remote, and the negative oxygen ion concentration of generation is high, in addition emits the Gold plated Layer of wire surface, and the loss of transmitting needle is effectively reduced, improves its service life.
Description
Technical field
The present invention relates to anion occurrence of equipment technical fields, and in particular to a kind of preparation method of anion emission needle.
Background technique
With the rapid development of economy, people's lives rhythm becomes to be getting faster, pressure also generates therewith, sleep quality
Problem has caused the concern in the whole world.Currently, sleep disturbance has become a global problem, many people to some extent by
To the puzzlement of insomnia, long-run development goes down to finally result in mental health and goes wrong.Some people solves by hypnotic
Insomnia problem, this method can not fundamentally solve the problems, such as this, can aggravate instead.Negative oxygen ion is by anion and air
In oxygen molecule combine and formed, there is the benefits of calmness, hypnosis, analgesia, antibechic, antipruritic, diuresis, increasing appetite, blood pressure lowering.Negative oxygen
Ion is referred to as " air vitamin ", it is believed that it has the vital movement of human body and other biological as the vitamin of food
Highly important influence, it is even contemplated that the concentration of negative oxygen ion is related with longevity in air, it is referred to as " long-lived element ".Therefore,
The exploitation of negative oxygen ion equipment also becomes the focus of people's research, and negative oxygen ion can not only improve our air quality, and
And the anion generated all plays positive effect to the physical and mental health of people.
Existing anion generator is to discharge anion outward by emitting needle, and transmitting needle used at present is usual
By being made of metal materials such as copper or tungsten steel alloys, it is connected with high-power high-frequency circuit, made of copper or tungsten steel alloy
Emit needle poorly conductive, the output quantity operating distance of anion is close, generally all has certain anion in 0.5 meter, more than 0.5
Rice negative ion concentration is close to zero, and ion wind is weak, and sphere of action is small, and health care, health, the effect for helping sleep is not achieved.Due to
Existing anion generator, negative ion concentration is low, and ion wind is weak, and anion is not almost detected outside 0.5 meter.It has been investigated that
The poorly conductive of the transmitting needle of anion generator, it has also become negative oxygen ion generation concentration is low, and conveying distance is short and unit is empty
Between the negative oxygen ion concentration that is formed it is low the main reason for one of.In order to allow interior to possess sufficient negative oxygen ion, reaches health care, supports
High-concentration negative oxygen ion environment that is raw, promoting sleep needs to improve the ability of the release anion of transmitting needle, to improve anion
Emit concentration and distance.
Summary of the invention
For above-mentioned defect existing in the prior art, it is an object of the invention to propose a kind of system of anion emission needle
Preparation Method solves existing transmitting needle because of poorly conductive, cause anion burst size it is few, apart from short, generation negative oxygen ion concentration is low
The problem of.
To achieve the goals above, the technical solution of use is the present invention:
A kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank is niobium, titanium, graphene, by niobium, titanium, graphene according to mass ratio
It is uniformly mixed, the composition of niobium, titanium, graphene is added to melting in electron-beam furnace, after stirring, ingot of casting
Base is cooled to room temperature.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, then sheet alloy is made annealing treatment, is cooled to room temperature.
Machining: sheet alloy is divided into multiple rod of metal alloy, and it is taper that rod of metal alloy, which is processed into end, by step 3
Transmitting needle.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, in the whole of transmitting needle
A surface forms Gold plated Layer.
Further, the mass percent of the niobium, titanium, graphene in above-mentioned composition, respectively 10%~20%,
60%~70%, 10%~30%, niobium, titanium, graphene add up to 100% in the mass percent of composition.
Further, the craft of gilding in step 4 is to have that cyanogen is gold-plated, Gold plated Layer with a thickness of 10 μm~15 μm.
Further, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body, and diameter is
0.04mm。
By using preceding solution, the method have the benefit that: niobium, titanium, graphene are according to aforementioned proportion
Superconductor is made, transmitting needle electric conductivity made of the superconductor is splendid, and anion burst size is more, close to the model of transmitting needle 3m
Enclosing interior negative oxygen ion concentration can achieve 7*104/cm3, the negative oxygen ion concentration of generation is high, and the surface in addition emitting needle has
Gold plated Layer can be effectively reduced the loss of transmitting needle, improve its service life.
Specific embodiment
The present invention provides a kind of preparation methods of anion emission needle, to make the purpose of the present invention, technical solution and effect
Fruit is clearer, clear, and the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Embodiment 1, a kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank be niobium, titanium, graphene, niobium, titanium, graphene composition matter
Amount percentage adds up to 100%.It takes 10g niobium, 65g titanium and 25g graphene and mixes, niobium, titanium, graphene are in composition
Quality add up to 100g, the composition of niobium, titanium, graphene is placed in agitating device and is sufficiently mixed, then niobium, titanium, stone
The composition of black alkene, which is added in electron-beam furnace, is smelted into liquid, is sufficiently stirred in fusion process, keeps niobium, titanium, graphene mixed
After closing uniformly, the composition of the niobium of liquid, titanium, graphene is finally cast into ingot blank, and be cooled to room temperature ingot blank.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, by swaging, hot pressing, sheet alloy made from cold pressing
Middle niobium, titanium, graphene are evenly distributed and quality is close, and the mechanical performance of sheet alloy is largely increased, then by sheet alloy
It is made annealing treatment, to eliminate the stress of cold sheet alloy, and again but to room temperature.
Machining: sheet alloy is divided into the identical multiple rod of metal alloy of size, and each rod of metal alloy is processed by step 3
It is the transmitting needle of taper at end, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body,
Diameter is 0.04mm.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, craft of gilding is to have
Cyanogen is gold-plated, transmitting needle whole surface formed Gold plated Layer, Gold plated Layer with a thickness of 10 μm~15 μm.
Embodiment 2, a kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank be niobium, titanium, graphene, niobium, titanium, graphene composition matter
Amount percentage adds up to 100%.It takes 20g niobium, 65g titanium and 15g graphene and mixes, niobium, titanium, graphene are in composition
Quality add up to 100g, the composition of niobium, titanium, graphene is placed in agitating device and is sufficiently mixed, then niobium, titanium, stone
The composition of black alkene, which is added in electron-beam furnace, is smelted into liquid, is sufficiently stirred in fusion process, keeps niobium, titanium, graphene mixed
After closing uniformly, the composition of the niobium of liquid, titanium, graphene is finally cast into ingot blank, and be cooled to room temperature ingot blank.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, by swaging, hot pressing, sheet alloy made from cold pressing
Middle niobium, titanium, graphene are evenly distributed and quality is close, and the mechanical performance of sheet alloy is largely increased, then by sheet alloy
It is made annealing treatment, to eliminate the stress of cold sheet alloy, and again but to room temperature.
Machining: sheet alloy is divided into the identical multiple rod of metal alloy of size, and each rod of metal alloy is processed by step 3
It is the transmitting needle of taper at end, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body,
Diameter is 0.04mm.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, craft of gilding is to have
Cyanogen is gold-plated, transmitting needle whole surface formed Gold plated Layer, Gold plated Layer with a thickness of 10 μm~15 μm.
Embodiment 3, a kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank be niobium, titanium, graphene, niobium, titanium, graphene composition matter
Amount percentage adds up to 100%.It takes 15g niobium, 60g titanium and 25g graphene and mixes, niobium, titanium, graphene are in composition
Quality add up to 100g, the composition of niobium, titanium, graphene is placed in agitating device and is sufficiently mixed, then niobium, titanium, stone
The composition of black alkene, which is added in electron-beam furnace, is smelted into liquid, is sufficiently stirred in fusion process, keeps niobium, titanium, graphene mixed
After closing uniformly, the composition of the niobium of liquid, titanium, graphene is finally cast into ingot blank, and be cooled to room temperature ingot blank.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, by swaging, hot pressing, sheet alloy made from cold pressing
Middle niobium, titanium, graphene are evenly distributed and quality is close, and the mechanical performance of sheet alloy is largely increased, then by sheet alloy
It is made annealing treatment, to eliminate the stress of cold sheet alloy, and again but to room temperature.
Machining: sheet alloy is divided into the identical multiple rod of metal alloy of size, and each rod of metal alloy is processed by step 3
It is the transmitting needle of taper at end, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body,
Diameter is 0.04mm.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, craft of gilding is to have
Cyanogen is gold-plated, transmitting needle whole surface formed Gold plated Layer, Gold plated Layer with a thickness of 10 μm~15 μm.
Embodiment 4, a kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank be niobium, titanium, graphene, niobium, titanium, graphene composition matter
Amount percentage adds up to 100%.It takes 15g niobium, 70g titanium and 15g graphene and mixes, niobium, titanium, graphene are in composition
Quality add up to 100g, the composition of niobium, titanium, graphene is placed in agitating device and is sufficiently mixed, then niobium, titanium, stone
The composition of black alkene, which is added in electron-beam furnace, is smelted into liquid, is sufficiently stirred in fusion process, keeps niobium, titanium, graphene mixed
After closing uniformly, the composition of the niobium of liquid, titanium, graphene is finally cast into ingot blank, and be cooled to room temperature ingot blank.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, by swaging, hot pressing, sheet alloy made from cold pressing
Middle niobium, titanium, graphene are evenly distributed and quality is close, and the mechanical performance of sheet alloy is largely increased, then by sheet alloy
It is made annealing treatment, to eliminate the stress of cold sheet alloy, and again but to room temperature.
Machining: sheet alloy is divided into the identical multiple rod of metal alloy of size, and each rod of metal alloy is processed by step 3
It is the transmitting needle of taper at end, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body,
Diameter is 0.04mm.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, craft of gilding is to have
Cyanogen is gold-plated, transmitting needle whole surface formed Gold plated Layer, Gold plated Layer with a thickness of 10 μm~15 μm.
Embodiment 5, a kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank be niobium, titanium, graphene, niobium, titanium, graphene composition matter
Amount percentage adds up to 100%.It takes 20g niobium, 70g titanium and 10g graphene and mixes, niobium, titanium, graphene are in composition
Quality add up to 100g, the composition of niobium, titanium, graphene is placed in agitating device and is sufficiently mixed, then niobium, titanium, stone
The composition of black alkene, which is added in electron-beam furnace, is smelted into liquid, is sufficiently stirred in fusion process, keeps niobium, titanium, graphene mixed
After closing uniformly, the composition of the niobium of liquid, titanium, graphene is finally cast into ingot blank, and be cooled to room temperature ingot blank.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, by swaging, hot pressing, sheet alloy made from cold pressing
Middle niobium, titanium, graphene are evenly distributed and quality is close, and the mechanical performance of sheet alloy is largely increased, then by sheet alloy
It is made annealing treatment, to eliminate the stress of cold sheet alloy, and again but to room temperature.
Machining: sheet alloy is divided into the identical multiple rod of metal alloy of size, and each rod of metal alloy is processed by step 3
It is the transmitting needle of taper at end, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body,
Diameter is 0.04mm.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, craft of gilding is to have
Cyanogen is gold-plated, transmitting needle whole surface formed Gold plated Layer, Gold plated Layer with a thickness of 10 μm~15 μm.
Embodiment 6, a kind of preparation method of anion emission needle, comprising the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank be niobium, titanium, graphene, niobium, titanium, graphene composition matter
Amount percentage adds up to 100%.It takes 10g niobium, 60g titanium and 30g graphene and mixes, niobium, titanium, graphene are in composition
Quality add up to 100g, the composition of niobium, titanium, graphene is placed in agitating device and is sufficiently mixed, then niobium, titanium, stone
The composition of black alkene, which is added in electron-beam furnace, is smelted into liquid, is sufficiently stirred in fusion process, keeps niobium, titanium, graphene mixed
After closing uniformly, the composition of the niobium of liquid, titanium, graphene is finally cast into ingot blank, and be cooled to room temperature ingot blank.
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, successively by alloy bar material
By swaging, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, by swaging, hot pressing, sheet alloy made from cold pressing
Middle niobium, titanium, graphene are evenly distributed and quality is close, and the mechanical performance of sheet alloy is largely increased, then by sheet alloy
It is made annealing treatment, to eliminate the stress of cold sheet alloy, and again but to room temperature.
Machining: sheet alloy is divided into the identical multiple rod of metal alloy of size, and each rod of metal alloy is processed by step 3
It is the transmitting needle of taper at end, the entire length for emitting needle is 3cm, and the main part for emitting needle is cross-section cylindrical body,
Diameter is 0.04mm.
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, craft of gilding is to have
Cyanogen is gold-plated, transmitting needle whole surface formed Gold plated Layer, Gold plated Layer with a thickness of 10 μm~15 μm.
Superconductor, hair made of the superconductor is made to the ratio in 6 in accordance with the above-mentioned embodiment 1 in niobium, titanium, graphene
It is splendid to penetrate needle electric conductivity, anion burst size is more, and negative oxygen ion concentration can achieve 7*104 in the range of transmitting needle 3m
A/cm3, the negative oxygen ion concentration of generation is high, and the surface in addition emitting needle has Gold plated Layer, can be effectively reduced transmitting needle in work
Because continuous release electronics leads to the loss of itself during work, its service life is improved.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, anyone skilled in the art is all equivalent substitutes for being made, bright under the introduction of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be by protection of the invention.
Claims (3)
1. a kind of preparation method of anion emission needle, which comprises the following steps:
Step 1, ingot blank preparation: the chemical component of ingot blank is niobium, titanium, graphene, and niobium, titanium, graphene are mixed according to mass ratio
Uniformly, the composition of niobium, titanium, graphene is added to melting in electron-beam furnace, after stirring, is cast into ingot blank,
It is cooled to room temperature；The mass percent of the niobium, titanium, graphene in above-mentioned composition, respectively 10%~20%, 60%~
70%, 10%~30%, niobium, titanium, graphene add up to 100% in the mass percent of composition；
Step 2, forging and heat treatment: ingot blank obtained in step 1 is cut into alloy bar material, alloy bar material is successively passed through
It swages, hot pressing, cold pressing, the sheet alloy with a thickness of 0.1mm is made, then sheet alloy is made annealing treatment, is cooled to room temperature；
Machining: sheet alloy is divided into multiple rod of metal alloy, and rod of metal alloy is processed into the hair that end is taper by step 3
Penetrate needle；
Surface treatment: step 4 carries out gold-plated processing to the surface of transmitting needle obtained in step 3, in the whole table of transmitting needle
Face forms Gold plated Layer.
2. a kind of preparation method of anion emission needle according to claim 1, which is characterized in that gold-plated in step 4
Technique is to have that cyanogen is gold-plated, Gold plated Layer with a thickness of 10 μm~15 μm.
3. a kind of preparation method of anion emission needle according to claim 1, which is characterized in that the entirety for emitting needle is long
Degree is 3cm, and the main part for emitting needle is cross-section cylindrical body, diameter 0.04mm.
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| CN111036892A (en) * | 2019-12-13 | 2020-04-21 | 青岛可健可康负离子技术有限公司 | Method for preparing oxygen negative ion emission needle by metal metallurgy method and negative ion generator |
| CN112695218A (en) * | 2020-12-15 | 2021-04-23 | 青岛可健可康负离子技术股份有限公司 | Preparation process of graphite alkyne negative oxygen ion emission needle |
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| JPS6362111A (en) * | 1986-09-01 | 1988-03-18 | 三菱電機株式会社 | Manufacture of nbti based compound superconductive alloy wire |
| US5261940A (en) * | 1986-12-23 | 1993-11-16 | United Technologies Corporation | Beta titanium alloy metal matrix composites |
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| CN206225785U (en) * | 2016-09-29 | 2017-06-06 | 深圳市祥合金电子有限公司 | A kind of anion generator |
| CN107557612A (en) * | 2017-07-27 | 2018-01-09 | 中国航发北京航空材料研究院 | A kind of graphene enhancing titanium-based nano composite and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6362111A (en) * | 1986-09-01 | 1988-03-18 | 三菱電機株式会社 | Manufacture of nbti based compound superconductive alloy wire |
| US5261940A (en) * | 1986-12-23 | 1993-11-16 | United Technologies Corporation | Beta titanium alloy metal matrix composites |
| CN105018790A (en) * | 2015-08-06 | 2015-11-04 | 陆春玲 | Preparation method of medical graphene enhanced titanium alloy bars |
| CN206225785U (en) * | 2016-09-29 | 2017-06-06 | 深圳市祥合金电子有限公司 | A kind of anion generator |
| CN107557612A (en) * | 2017-07-27 | 2018-01-09 | 中国航发北京航空材料研究院 | A kind of graphene enhancing titanium-based nano composite and preparation method |
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