CN106498571A - A kind of vortex spinning combines nozzle - Google Patents
A kind of vortex spinning combines nozzle Download PDFInfo
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- CN106498571A CN106498571A CN201611202378.5A CN201611202378A CN106498571A CN 106498571 A CN106498571 A CN 106498571A CN 201611202378 A CN201611202378 A CN 201611202378A CN 106498571 A CN106498571 A CN 106498571A
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- nozzle
- yarn
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- graphene
- hollow ingot
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/563—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on boron carbide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/581—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on aluminium nitride
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
Abstract
The present invention relates to a kind of vortex spinning combines nozzle, which by hollow ingot and draws yarn nozzle and is combined together；The Graphene composite ceramics conductive material that the combination nozzle is made in proportion using Graphene and ceramic powders；Or use titanium carbide composite conducting material.The combination nozzle of the present invention is using Graphene or titanium carbide composite conducting material, electrostatic is eliminated in processing synthetic fibers actual moving process, the problems such as avoiding nozzle hole blockage and man-made fibre yarn fluffing broken end, not only increases the electric conductivity of nozzle, while improving the production efficiency of wearability and spinning；Meanwhile, hollow ingot is combined as a whole with yarn nozzle is drawn, it is ensured that quality of fit, and material-saving reduces manufacturing cost, it is to avoid draw the resultant yarn weak twist that air-flow shakiness during yarn is caused.
Description
【Technical field】
The present invention relates to a kind of vital part of air-jet eddy-current spinning equipment, and in particular to a kind of vortex spinning combines nozzle, category
In textile machine equipment technical field.
【Background technology】
Air-jet eddy-current spinning is the spinning technique of new generation developed on the basis of traditional air-jet spinning, with spinning speed
Height, technological process are short, high degree of automation, the advantages of spinning suiting scope is wide.Air-jet eddy-current spinning average speed is in 240～500m/
Min, spinning suiting scope are 15～60s yarns, can be used to processing the multiple fiber manufacture such as chemical fibre, viscose rayon, fiber crops or cotton pure spin or
Mixed yarn, but in fact existing air-jet eddy-current spinning meets with larger puzzlement when the processing of pure spinning man-made fibre yarn is carried out.
The hollow ingot of existing air-jet eddy-current spinning and to draw yarn nozzle be to adopt separate structure, hollow ingot and draws yarn nozzle and adopts
Made with ceramic material, although ceramic material has preferable hardness and wearability, but does not possess electric conductivity.So actually making
With in, during with chemical fibre synthetic fibers high-speed frictions such as cotton, hairs, substantial amounts of electrostatic is produced, the Electrostatic Absorption fiber dust causes sky
Heart ingot is blocked；On the other hand substantial amounts of electrostatic cannot be derived, and cause resultant yarn to be also easy to produce weak twist, and the man-made fibre yarn after processing easily fluffs
Or Yarn break.In prior art, workman generally solves this problem using fixed time cleaning hollow ingot, and this obviously drops significantly
The production efficiency of low spinning.
Meanwhile, the hollow ingot of separate type and draw yarn nozzle and mismachining tolerance easily occur in process respectively, during assembling
The quality of fits such as axiality cannot be ensured, air-flow is unstable during causing to draw yarn, last resultant yarn weak twist.
Therefore, be to solve above-mentioned technical problem, nozzle is combined it is necessory to provide a kind of vortex spinning of innovation, existing to overcome
The defect having in technology.
【Content of the invention】
For solving the above problems, it is an object of the invention to provide a kind of vortex spinning combination nozzle of antistatic, which uses
Multiple conductive materials, so as to the electrostatic produced during eliminating processing spinning man-made fibre yarn, it is to avoid hollow ingot blocking and man-made fibre yarn rise
The problems such as hair broken end.
For achieving the above object, the technical scheme taken of the present invention is：A kind of vortex spinning combines nozzle, its by hollow ingot and
Draw yarn nozzle to be combined together；The Graphene composite ceramics that the combination nozzle is made in proportion using Graphene and ceramic powders is led
Electric material；Or use titanium carbide composite conducting material.
The vortex spinning of the present invention combines nozzle：The preparation method of the Graphene composite ceramics conductive material is such as
Under：
1), constituted with high-purity silica, alundum (Al2O3), aluminium nitride, carborundum, zirconium oxide and boron carbide material
Ceramic powder is used as base material；
2), Graphene adds ceramic powders in 0.5 ‰～10 ‰ ratio of total weight parts, is sufficiently mixed uniformly, by machinery
The method of compressing tablet obtains hybrid radix；
3), sintering 3-5 hours sintering at a temperature of 200 DEG C -300 DEG C, high annealing obtain graphene composite conductive pottery
Ceramic material.
The vortex spinning of the present invention combines nozzle：The preparation method of the titanium carbide composite conducting material is as follows：
Take following raw materials by weight ratio to mix：Carbonization nano-ti powder 20～50%, iron powder nano powder 49～79%, 1% binding agent；Will
Raw material is sintered in cryogenic vacuum first；Then HTHP sintering is carried out, to improve the compactness of material；Hot place is finally carried out
Reason.
The vortex spinning of the present invention combines nozzle：Temperature when cryogenic vacuum is sintered is 100～200 DEG C；High temperature
Temperature during high-pressure sinter is 1400～1600 DEG C, and air pressure is 180～250Mpa, and the hardness after process is HRC42～46；At heat
Hardness after reason is HRC71～72.
The vortex spinning of the present invention combines nozzle：Which includes superposed hollow ingot and draws yarn positioned at bottom
Nozzle, the hollow ingot and draws yarn nozzle and is combined as a whole；The central authorities of the hollow ingot are provided with a resultant yarn hole；The yarn nozzle of drawing
Top is provided with some spray orifices, and central authorities are provided with one and draw yarn hole；The resultant yarn hole and draw yarn hole position on same axis, and spray orifice and draw
Yarn hole connects.
The vortex spinning of the present invention combines nozzle：The hollow ingot is provided with sealing ring with the outer peripheral face for drawing yarn spray junction
Fixing groove.
Compared with prior art, the present invention has the advantages that：The combination nozzle of the present invention is using Graphene or carbon
Change titanium composite conducting material, electrostatic is eliminated in processing synthetic fibers actual moving process, it is to avoid nozzle hole blockage and chemical fibre
The problems such as yarn fluffing broken end, the electric conductivity of nozzle is not only increased, while improving the production efficiency of wearability and spinning.
Hollow ingot is combined as a whole by the combination nozzle of the present invention with yarn nozzle is drawn, it is ensured that quality of fit, and saves material
Material reduces manufacturing cost, it is to avoid draw the resultant yarn weak twist that air-flow shakiness during yarn is caused.
【Description of the drawings】
Fig. 1 is the stereogram that the vortex spinning of the embodiment of the present invention 1 combines nozzle.
Fig. 2 is the stereogram of facing upward that the vortex spinning of the embodiment of the present invention 1 combines nozzle.
Fig. 3 is the profile that the vortex spinning of the embodiment of the present invention 1 combines nozzle.
Fig. 4 is the stereogram that the vortex spinning of the embodiment of the present invention 2 combines nozzle.
Fig. 5 is the stereogram of facing upward that the vortex spinning of the embodiment of the present invention 2 combines nozzle.
Fig. 6 is the profile that the vortex spinning of the embodiment of the present invention 2 combines nozzle.
Fig. 7 is the stereogram that the vortex spinning of the embodiment of the present invention 3 combines nozzle.
Fig. 8 is the stereogram of facing upward that the vortex spinning of the embodiment of the present invention 3 combines nozzle.
Fig. 9 is the profile that the vortex spinning of the embodiment of the present invention 3 combines nozzle.
Figure 10 is the stereogram that the vortex spinning of the embodiment of the present invention 4 combines nozzle.
Figure 11 is the stereogram of facing upward that the vortex spinning of the embodiment of the present invention 4 combines nozzle.
Figure 12 is the profile that the vortex spinning of the embodiment of the present invention 4 combines nozzle.
【Specific embodiment】
Embodiment 1
Refer to shown in Figure of description 1 to accompanying drawing 3, the present invention combines nozzle for a kind of vortex spinning, its by hollow ingot and
Nozzle is combined, so as to facilitate processing and manufacturing.
It is in place of the greatest improvement of the vortex spinning combination nozzle：Original nozzle that is made using conventional ceramic material is not
With electric conductivity, and the Graphene composite ceramics conductive material that this creation is made in proportion using Graphene and ceramic powders；Or
Person uses titanium carbide composite conducting material.
Wherein, the preparation method of the Graphene composite ceramics conductive material is as follows：
1), constituted with high-purity silica, alundum (Al2O3), aluminium nitride, carborundum, zirconium oxide and boron carbide material
Ceramic powder is used as base material；
2), Graphene adds ceramic powders in 0.5 ‰～10 ‰ ratio of total weight parts, is sufficiently mixed uniformly, by machinery
The method of compressing tablet obtains hybrid radix；
3), sintering 3-5 hours sintering at a temperature of 200 DEG C -300 DEG C, high annealing obtain graphene composite conductive pottery
Ceramic material.
The Graphene composite ceramics conductive material using the excellent electric conductivity of Graphene, by it and Ceramic Composite, no
Wearability is improve only, electric conductivity is further increased.The two dimension of only one layer of atomic thickness that Graphene is made up of carbon atom is brilliant
Body, from after being successfully separated, just because its excellent physical characteristic causes the broad interest of scientific circles, as electric conductivity in the world most
Good material, the electronic movement velocity in Graphene has reached the 1/300 of the light velocity, considerably beyond electronics in general conductor
Conduction of velocity.
The preparation method of the titanium carbide composite conducting material is as follows：Take following raw materials by weight ratio to mix：Titanium carbide
Nano powder 20～50%, iron powder nano powder 49～79%, 1% binding agent；Raw material is sintered in cryogenic vacuum first；Then carry out
HTHP is sintered, to improve the compactness of material；Finally it is heat-treated.
Wherein, temperature when cryogenic vacuum is sintered is 100～200 DEG C；HTHP sinter when temperature be 1400～
1600 DEG C, air pressure is 180～250Mpa, and the hardness after process is HRC42～46；Hardness after heat treatment is HRC71～72.
The titanium carbide composite conducting material is conducted electricity very well using titanium carbide, while titanium carbide also has fusing point high, hard
Degree is big, the advantage that high-temperature oxidation resistance is good, can be used to manufacture high-abrasive material, cutter material, electrode material etc..
Further, vortex spinning combination nozzle includes superposed hollow ingot 1 and draws yarn nozzle positioned at bottom
2, the hollow ingot 1 and draw yarn nozzle 2 and be combined as a whole.
The central authorities of the hollow ingot 1 are provided with a resultant yarn hole 3.The top for drawing yarn nozzle 2 is provided with some spray orifices 4, central authorities
It is provided with one and draws yarn hole 5.The resultant yarn hole 3 is located on same axis with yarn hole 5 is drawn, and spray orifice 4 is connected with yarn hole 5 is drawn.
The hollow ingot 1 is provided with sealing ring fixing groove 6 with the outer peripheral face for drawing 2 junctions of yarn spray, in the sealing ring fixing groove 6
In sealing ring (not shown) can be set, so as to improve the sealing after the nozzle is installed.
The operation principle of the vortex spinning combination nozzle of the present invention is as follows：Guid needle of the fibre bundle above combination nozzle is (not
Diagram) in the presence of enter hollow ingot 1 resultant yarn hole 3；After air inlet electromagnetic valve is opened, draw drawing for yarn nozzle 2 and formed in yarn hole 5 rotation
Turn air-flow, fibre bundle is inhaled into hollow ingot 1 and carries out into yarn twisting, closed electromagnetic valve after the completion of twisting, yarn is defeated from yarn nozzle 2 is drawn
Go out, then sent by delivery roller.
Embodiment 2 to embodiment 4 is other three kinds of variations that the vortex spinning of the present invention combines nozzle, itself and embodiment 1
Using material and functional structure all same, will not be described here.
Above specific embodiment is only the preferred embodiment of this creation, not in order to limit this creation, all in this wound
Any modification, equivalent substitution and improvements for being done etc. within the spirit of work and principle, should be included in this creation protection domain it
Interior.
Claims (6)
1. a kind of vortex spinning combines nozzle, it is characterised in that：Which by hollow ingot and draws yarn nozzle and is combined together；The combination nozzle
The Graphene composite ceramics conductive material that is made using Graphene and ceramic powders in proportion；Or use titanium carbide composite conducting
Material.
2. vortex spinning as claimed in claim 1 combines nozzle, it is characterised in that：The Graphene composite ceramics conductive material
Preparation method is as follows：
1) pottery for, being constituted with high-purity silica, alundum (Al2O3), aluminium nitride, carborundum, zirconium oxide and boron carbide material
Powder is used as base material；
2), Graphene adds ceramic powders in 0.5 ‰～10 ‰ ratio of total weight parts, is sufficiently mixed uniformly, by Mechanical pressing
Method obtain hybrid radix；
3), sintering 3-5 hours sintering at a temperature of 200 DEG C -300 DEG C, high annealing obtain graphene composite conductive pottery material
Material.
3. vortex spinning as claimed in claim 1 combines nozzle, it is characterised in that：The making of the titanium carbide composite conducting material
Method is as follows：Take following raw materials by weight ratio to mix：Carbonization nano-ti powder 20～50%, iron powder nano powder 49～79%, 1%
Binding agent；Raw material is sintered in cryogenic vacuum first；Then HTHP sintering is carried out, to improve the compactness of material；Finally
It is heat-treated.
4. vortex spinning as claimed in claim 3 combines nozzle, it is characterised in that：Cryogenic vacuum sinter when temperature be 100～
200℃；Temperature when HTHP is sintered is 1400～1600 DEG C, and air pressure is 180～250Mpa, and the hardness after process is
HRC42～46；Hardness after heat treatment is HRC71～72.
5. vortex spinning as claimed in claim 1 combines nozzle, it is characterised in that：Which includes superposed hollow ingot and is located at
Yarn nozzle is drawn in bottom, the hollow ingot and draws yarn nozzle and is combined as a whole；The central authorities of the hollow ingot are provided with a resultant yarn hole；Described
The top for drawing yarn nozzle is provided with some spray orifices, and central authorities are provided with one and draw yarn hole；The resultant yarn hole and draw yarn hole position on same axis,
And spray orifice is connected with yarn hole is drawn.
6. vortex spinning as claimed in claim 1 combines nozzle, it is characterised in that：The hollow ingot sprays the outer of junction with yarn is drawn
Side face is provided with sealing ring fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202378.5A CN106498571A (en) | 2016-12-23 | 2016-12-23 | A kind of vortex spinning combines nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202378.5A CN106498571A (en) | 2016-12-23 | 2016-12-23 | A kind of vortex spinning combines nozzle |
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| CN106498571A true CN106498571A (en) | 2017-03-15 |
Family
ID=58335122
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611202378.5A Pending CN106498571A (en) | 2016-12-23 | 2016-12-23 | A kind of vortex spinning combines nozzle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608169A (en) * | 2018-12-25 | 2019-04-12 | 佛山科学技术学院 | A kind of highly conductive ceramic material and preparation method thereof |
| WO2021189179A1 (en) * | 2020-03-23 | 2021-09-30 | 李辉 | Nano-titanium and hemp fiber composite material |
| CN116751061A (en) * | 2023-06-09 | 2023-09-15 | 绍兴文理学院 | High-wear-resistance ceramic hollow spindle for jet vortex spinning and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608169A (en) * | 2018-12-25 | 2019-04-12 | 佛山科学技术学院 | A kind of highly conductive ceramic material and preparation method thereof |
| WO2021189179A1 (en) * | 2020-03-23 | 2021-09-30 | 李辉 | Nano-titanium and hemp fiber composite material |
| CN116751061A (en) * | 2023-06-09 | 2023-09-15 | 绍兴文理学院 | High-wear-resistance ceramic hollow spindle for jet vortex spinning and preparation method thereof |
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Application publication date: 20170315 |