CN110060887A - A kind of aluminium electrolutic capacitor sealing needle and preparation method thereof - Google Patents

A kind of aluminium electrolutic capacitor sealing needle and preparation method thereof Download PDF

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Publication number
CN110060887A
CN110060887A CN201910305901.4A CN201910305901A CN110060887A CN 110060887 A CN110060887 A CN 110060887A CN 201910305901 A CN201910305901 A CN 201910305901A CN 110060887 A CN110060887 A CN 110060887A
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China
Prior art keywords
layer
needle
film
aluminium electrolutic
electrolutic capacitor
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CN201910305901.4A
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CN110060887B (en
Inventor
张程
林凯生
李福球
代明江
朱晖朝
林松盛
谭笛
朱霞高
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Institute of New Materials of Guangdong Academy of Sciences
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Guangdong Institute of New Materials
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • C23C14/35Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/50Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
    • C23C16/513Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using plasma jets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G13/00Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
    • H01G13/003Apparatus or processes for encapsulating capacitors

Abstract

The invention discloses a kind of aluminium electrolutic capacitor sealing needles and preparation method thereof, are related to aluminium electrolutic capacitor technical field of sealing technology.The embodiment provides a kind of aluminium electrolutic capacitors to seal needle, and it includes sealing needle ontology which, which seals needle,.And the outer application of the sealing needle ontology is provided with diamond-like carbon composite film.The diamond-like carbon composite film be with high rigidity, high-bond, low-friction coefficient, high-wearing feature, resistance to bond self-lubricating coat in use; imparting sealing needle set has good wearability, resistance to bond, self-lubrication; to effectively prevent sealing needle from occurring viscous aluminium phenomenon in use; and effective protection matrix, avoid in process because caused by matrix abrasion product there is burr phenomena;Sealing needle is lubricated without special fueller in use process, to avoid lubricant pollution product, without product is cleaned again, production efficiency is greatly improved and saves production cost, be with a wide range of applications.

Description

A kind of aluminium electrolutic capacitor sealing needle and preparation method thereof
Technical field
The present invention relates to capacitor technical field of sealing technology, in particular to a kind of aluminium electrolutic capacitor seal needle and its Preparation method.
Background technique
With universal, the demand of capacitor of the products such as computer, communication equipment and household electrical appliance in daily life Also it steeply rises, in the prior art, capacitor seal operation includes sealing and girdles the waist, currently, it is anti-for organizing vertical machine closing device Only there is viscous aluminium phenomenon in use in sealing needle, and special fueller is needed to be lubricated sealing needle, and uses and add Add the mode of lubricating oil that can bring following problems in capping processes, the lubricating oil of sealing wire surface first can polluted product surface Quality needs to clean capacitor after processing, to increase cleaning cost and reduce production efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of aluminium electrolutic capacitors to seal needle, and aluminium electrolutic capacitor sealing needle set has can It is effectively prevented in use and viscous aluminium phenomenon occurs.
Another object of the present invention is to provide a kind of preparation methods of aluminium electrolutic capacitor sealing needle.This method can be prepared Above-mentioned aluminium electrolutic capacitor sealing needle is obtained, viscous aluminium phenomenon occurs to can be effectively prevented in use, can reduce The appearance of burr phenomena.
The embodiment of the present invention is achieved in that
A kind of aluminium electrolutic capacitor sealing needle, comprising:
Needle ontology is sealed, the outer application of sealing needle ontology is provided with diamond-like carbon composite film.
Further, in the preferred embodiment, diamond-like carbon composite film includes setting gradually outward from interior Prime coat, First Transition layer, the second transition zone, third transition zone and surface layer, wherein prime coat be layer of nitride film, first Transition zone is metallic diaphragm, and the second transition zone is the composite film that replaces of metal layer and carbide, and third transition zone is with mixing The diamond-like carbon film layer of sundries, surface layer are diamond-like carbon film layer.
Further, in the preferred embodiment, the layer of nitride film of prime coat be by selected from Cr, Ti, Zr, V, The nitride of at least one of Al element is constituted.
Further, in the preferred embodiment, the layer of nitride film of prime coat with a thickness of 0.5um~ 1.5um。
Further, in the preferred embodiment, the gold of the metallic diaphragm of First Transition layer and the second transition zone Category is any element in Cr, Ti, Zr, V, Al;Carbide lamella is in WC, TiC, CrC, ZrC in second transition zone It is any;Dopant in the diamond-like carbon film layer with dopant of third transition zone be in W, Cr, Ti at least A kind of element doping composition.
Further, in the preferred embodiment, First Transition layer with a thickness of 0.1um~0.5um;Second mistake Cross layer with a thickness of 0.2um~1um;Third transition zone with a thickness of 0.5um~1.5um.
Further, in the preferred embodiment, the diamond-like carbon film layer on surface layer is selected from amorphous carbon-film, tetrahedron Amorphous carbon-film, metal-doped amorphous carbon-film, hydrogeneous amorphous carbon-film, tetrahedroid are containing hydrogen amorphous, metal-doped containing hydrogen amorphous Any one of film.
Further, in the preferred embodiment, surface layer with a thickness of 0.5um~3um.
Further, in the preferred embodiment, the 0.03~0.1um of surface roughness Ra on surface layer, friction system Number is 0.05~0.2, and microhardness is Hv2000~7000.
A kind of preparation method of aluminium electrolutic capacitor sealing needle, comprising:
Prime coat, First Transition layer, the second transition zone, third transition zone and table are successively coated on sealing needle ontology Layer.
The embodiment of the present invention at least have following advantages or the utility model has the advantages that
The embodiment provides a kind of aluminium electrolutic capacitors to seal needle, and it includes envelope which, which seals needle, Lancet ontology.And the outer application of the sealing needle ontology is equipped with diamond-like carbon composite film.The diamond-like carbon composite film is tool There is the self-lubricating coat in use of high rigidity, high-bond, low-friction coefficient, high-wearing feature, resistance to bond, imparting sealing needle set has well Wearability, resistance to bond, self-lubrication, to effectively prevent sealing needle from occurring viscous aluminium phenomenon in use, and effective Matrix is protected, product caused by wearing in process because of matrix is avoided burr phenomena occur;In use process without special Fueller to sealing needle be lubricated, to avoid lubricant pollution product, without product is cleaned again, greatly mention It has risen production efficiency and has saved production cost, be with a wide range of applications.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram that the aluminium electrolutic capacitor that the embodiment of the present invention provides seals needle;
Fig. 2 is the partial profile structure that the aluminium electrolutic capacitor that the embodiment of the present invention provides seals needle.
Icon: 100- sealing capacitor needle;101- seals needle ontology;103- first connecting portion;105- second connecting portion; 107- third interconnecting piece;109- diamond-like carbon composite film;111- prime coat;113- First Transition layer;The second transition zone of 115-; 117- third transition zone;The surface layer 119-;The angle 121-R.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts Every other embodiment, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and It cannot be understood as indicating or implying relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height Less than second feature.
Embodiment 1
Fig. 1 is the structural schematic diagram that aluminium electrolutic capacitor provided in this embodiment seals needle 100;
Fig. 2 is the part section structural representation that aluminium electrolutic capacitor provided in this embodiment seals needle 100.Please refer to Fig. 1 With Fig. 2, a kind of aluminium electrolutic capacitor sealing needle 100 is present embodiments provided, comprising: sealing needle ontology 101.
In detail, referring to Fig. 1 and Fig. 2, in the present embodiment, the outer application of sealing needle ontology 101 is provided with Diamond-like carbon composite film 109.The diamond-like carbon composite film 109 is with high rigidity, high-bond, low-friction coefficient, height The self-lubricating coat in use of wearability, resistance to bond, imparting sealing needle set has good wearability, resistance to bond, self-lubrication, to have Effect prevents sealing needle from occurring viscous aluminium phenomenon in use, and effective protection matrix, avoids in process because of base Body abrasion causes product burr phenomena occur;Sealing needle is lubricated without special fueller in use process, thus Lubricant pollution product is avoided, without product is cleaned again, production efficiency is greatly improved and saves production cost, tool Have wide practical use.
It should be noted that referring to Fig. 1, in the present embodiment, sealing needle ontology 101 has set gradually first to connect Socket part 103, second connecting portion 105 and third interconnecting piece 107, first connecting portion 103 are substantially in cylindrical shape, second connecting portion 105 is in the form of annular discs relative to 103 outwardly convex of first connecting portion, and third interconnecting piece 107 is set to second connecting portion 105 and Xiang Yuan Direction from second connecting portion 105 is extended, and the end of third interconnecting piece 107 is the angle R 121, eka-gold provided in this embodiment Hard rock composite film 109 can at least be coated and is set at this, generation the phenomenon that avoid viscous aluminium.
Wherein, in the present embodiment, the material for sealing needle ontology 101 is selected from wolfram steel, high-speed steel, mould steel, hard alloy With ceramics one of which.These materials are selected to can guarantee the performances such as the hardness of sealing needle ontology 101 itself.Meanwhile diamond-like The number of plies of composite film 109 can be 2 layers or more, and specific coated thickness can be selected according to demand, of the invention Embodiment is without limitation.
Referring to Fig. 2, in the present embodiment, diamond-like carbon composite film 109 includes setting gradually outward from interior Prime coat 111, First Transition layer 113, the second transition zone 115, third transition zone 117 and surface layer 119, wherein prime coat 111 For layer of nitride film, First Transition layer 113 is metallic diaphragm, and the second transition zone 115 is that metal layer and replacing for carbide are compound Film layer, third transition zone 117 are the diamond-like carbon film layer with dopant, and surface layer 119 is diamond-like carbon film layer.By successively setting Prime coat 111, First Transition layer 113, the second transition zone 115, third transition zone 117 and the surface layer 119 set can effectively mention High whole hardness, binding force, wearability, resistance to bond and self-lubricating property, thus the phenomenon that being effectively prevented from viscous aluminium appearance.
In detail, in the present embodiment, the layer of nitride film of prime coat 111 be by Cr, Ti, Zr, V, Al extremely A kind of few nitride of element is constituted.The metal of the metallic diaphragm of First Transition layer 113 and the second transition zone 115 be selected from Cr, Any element in Ti, Zr, V, Al;Carbide lamella is selected from any one of WC, TiC, CrC, ZrC in second transition zone 115; Dopant in the diamond-like carbon film layer with dopant of third transition zone 117 is selected from least one of W, Cr, Ti member Element doping is constituted.The diamond-like carbon film layer on surface layer 119 be selected from amorphous carbon-film, tetrahedral amorphous carbon film, metal-doped amorphous carbon-film, Hydrogeneous amorphous carbon-film, tetrahedroid are containing any one of hydrogen amorphous, metal-doped hydrogeneous amorphous carbon-film.Pass through the material of each film layer The selection of material obtains high rigidity, intensity and wear-resisting composite film after may make each film layer rationally to cooperate.
As a preferred option, in the present embodiment, the layer of nitride film of prime coat 111 with a thickness of 0.5um~ 1.5um.First Transition layer 113 with a thickness of 0.1um~0.5um;Second transition zone 115 with a thickness of 0.2um~1um;Third Transition zone 117 with a thickness of 0.5um~1.5um.Surface layer 119 with a thickness of 0.5um~3um.Certainly, in other realities of the invention It applies in example, the thickness of each film layer can also be selected according to demand, and the embodiment of the present invention is without limitation.
Further, in the present embodiment, the 0.03~0.1um of surface roughness Ra on surface layer 119, coefficient of friction are 0.05~0.2, microhardness is Hv2000~7000.By roughness, friction system and the microhardness to surface layer 119 into Row control, can be obtained 119 coating of surface layer of high rigidity and high-wearing feature, thus while protecting bottom film layer, in conjunction with bottom Film layer improves hardness, wearability and the self-lubricity of entire sealing needle ontology 101 jointly.
The embodiments of the present invention also provide a kind of preparation method of aluminium electrolutic capacitor sealing needle 100, the preparation methods Including successively coating prime coat 111, First Transition layer 113, the second transition zone 115, third transition zone on sealing needle ontology 101 117 and surface layer 119.
In detail comprising following steps:
(1) implement pretreatment in the outer surface using plasma lithographic technique of sealing needle ontology 101;
(2) the nitride coating prime coat 111 on the outer surface of sealing needle ontology 101;
(3) metallic diaphragm of First Transition layer 113 is coated in the layer of nitride film of prime coat 111;
(4) metallic diaphragm and carbide film layer that the second transition zone 115 is coated on the metal layer of First Transition layer 113 are handed over For composite film.
(5) the doped diamond-like film layer of third transition zone 117 is coated on the metallic diaphragm of the second transition zone 115.
(6) 119 diamond-like of surface layer (DLC) film layer is coated on the doped diamond-like film layer of third transition zone 117.
Wherein, plasma etching technology is selected from impressed current anode plasma etching, ion source etching, arc ions etching One of.Prime coat 111, First Transition layer 113, the second transition zone 115, third transition zone 117 using selected from magnetron sputtering, The preparation of one of arc ion plating, plasma enhanced chemical vapor deposition, technology of ion source technology, preferably magnetron sputtering. Surface layer 119DLC film layer, which uses, is selected from magnetron sputtering, arc ion plating, plasma enhanced chemical vapor deposition, technology of ion source One of technology preparation, preferably plasma enhanced chemical vapor deposition or technology of ion source.Certainly, in of the invention other In embodiment, the coating method of each coating can also be selected according to demand, and the embodiment of the present invention is without limitation.
The film layer that the present embodiment specifically uses is described in detail below:
Wolfram steel material preparation sealing needle is selected, using CrN film layer as prime coat 111, the gold that Cr film layer is First Transition layer 113 Belong to layer, Cr film layer and WC film layer be the alternating layer of the second transition zone 115, mix tungsten diamond-like carbon film layer be third transition zone 117, DLC film layer is surface layer 119, prepares DLC film layer with multi-layer structure.
(1) wolfram steel material is selected to process by aluminium electrolutic capacitor sealing 100 schematic diagram of needle of Fig. 1, radius is at the angle R 121 Outer surface at sealing needle section and the angle R 121 is polished to roughness Ra less than 0.1um by 2mm.
(2) sealing needle matrix is successively cleaned by ultrasonic to surface using degreaser, wax removing agent, metal cleaner without spot.
(3) the sealing needle matrix cleaned up is implemented using multifunctional vacuum filming equipment plasma etching technology pre- It handles, wherein plasma etching parameter are as follows: 150~300V of bias, impressed current anode 60~100A of electric current, argon flow 50ml/ min。
(4) multifunctional vacuum filming equipment magnetron sputtering technique is used to pretreated sealing needle matrix, deposited first Prime coat 111CrN film layer, sedimentation time 60min, wherein magnetron sputtering parameter are as follows: nitrogen flow 60ml/min, argon flow 120ml/min, Cr target power output are 5kw.
(5) 113 Cr thin film layer of First Transition layer, deposition are deposited using magnetron sputtering technique on the basis of (4) step Time 10min, wherein magnetron sputtering parameter are as follows: Cr target power output is 5kw, argon flow 120ml/min.
(6) using magnetron sputtering technique deposition 115 Cr thin film layer of the second transition zone and WC film on the basis of (5) step Layer alternately composite film, sedimentation time 15min, wherein magnetron sputtering parameter are as follows: Cr target power output is 0.5~5kw, WC target power output For 0.5~5kw, argon flow 120ml/min.
(7) tungsten diamond-like DLC is mixed using magnetron sputtering technique deposition third transition zone 117 on the basis of (6) step Film layer, sedimentation time 40min, wherein magnetron sputtering parameter are as follows: WC target power output is 5kw, acetylene gas flow 50ml/min, argon Throughput 120ml/min.
(8) using plasma enhancing chemical vapour deposition technique deposits surface layer 119DLC film layer on the basis of (7), Sedimentation time is 120min, wherein plasma enhanced chemical vapor deposition parameter are as follows: 750~1000V of bias, acetylene flow 180~220ml/min.
(9) it can be obtained the aluminium electrolutic capacitor with multilayered structure film layer when in-furnace temperature is lower than 150 DEG C and seal needle 100。
Through detecting, using above-mentioned aluminium electrolutic capacitor sealing needle 100 without special on aluminium electrolutic capacitor closing device Fueller lubrication sealing needle, the product processed is without oily pollution, product surface impulse- free robustness, seals needle service life up to 6 Month or more.
Embodiment 2
A kind of aluminium electrolutic capacitor sealing needle 100 is present embodiments provided, the difference from embodiment 1 is that:
The present embodiment selects mould steel material preparation sealing needle, is the first mistake by prime coat 111, Cr film layer of CrN film layer Cross that the metal layer of layer 113, Cr film layer and WC film layer are the alternating layer of the second transition zone 115, to mix tungsten diamond-like carbon film layer be third Transition zone 117, DLC film layer are that surface layer 119 prepares DLC film layer with multi-layer structure.
(1) mould steel material is selected to process by aluminium electrolutic capacitor sealing 100 schematic diagram of needle of Fig. 1, radius at the angle R 121 For 2mm, outer surface at sealing needle section and the angle R 121 is polished to roughness Ra less than 0.1um.
(2) sealing needle matrix is successively cleaned by ultrasonic to surface using degreaser, wax removing agent, metal cleaner without spot.
(3) the sealing needle matrix cleaned up is implemented using multifunctional vacuum filming equipment plasma etching technology pre- It handles, wherein plasma etching parameter are as follows: 150~250V of bias, impressed current anode 70~90A of electric current, argon flow 50ml/ min。
(4) multifunctional vacuum filming equipment magnetron sputtering technique is used to pretreated sealing needle matrix, deposited first Prime coat 111CrN film layer, sedimentation time 60min, wherein magnetron sputtering parameter are as follows: nitrogen flow 60ml/min, Cr target power output is 5kw, argon flow 120ml/min.
(5) 113 Cr thin film layer of First Transition layer, deposition are deposited using magnetron sputtering technique on the basis of (4) step Time 10min, wherein magnetron sputtering parameter are as follows: Cr target power output is 5kw, argon flow 120ml/min.
(6) using magnetron sputtering technique deposition 115 Cr thin film layer of the second transition zone and WC film on the basis of (5) step Layer alternately composite film, sedimentation time 15min, wherein magnetron sputtering parameter are as follows: Cr target power output is 0.5~5kw, WC target power output For 0.5~5kw, argon flow 120ml/min.
(7) tungsten diamond-like DLC is mixed using magnetron sputtering technique deposition third transition zone 117 on the basis of (6) step Film layer, sedimentation time 40min, wherein magnetron sputtering parameter are as follows: WC target power output is 5kw, acetylene gas flow 50ml/min, argon Throughput 120ml/min.
(8) using plasma enhancing chemical vapour deposition technique deposits surface layer 119DLC film layer on the basis of (7), Sedimentation time is 120min, wherein plasma enhanced chemical vapor deposition parameter are as follows: 700~900V of bias, acetylene flow 190 ~210ml/min.
(9) it can be obtained the aluminium electrolutic capacitor with multilayered structure film layer when in-furnace temperature is lower than 150 DEG C and seal needle 100。
Through detecting, using above-mentioned aluminium electrolutic capacitor sealing needle 100 without special on aluminium electrolutic capacitor closing device Fueller lubrication sealing needle, the product processed is without oily pollution, product surface impulse- free robustness, seals needle service life up to 3 Month or more.
Embodiment 3
A kind of aluminium electrolutic capacitor sealing needle 100 is present embodiments provided, the difference from embodiment 1 is that:
The present embodiment selects wolfram steel material preparation sealing needle, is prime coat 111, Ti film layer as First Transition using TiN film layer The metal layer of layer 113, Ti film layer and WC film layer are the alternating layer of the second transition zone 115, to mix tungsten diamond-like carbon film layer be third mistake Cross layer 117, DLC film layer is that surface layer 119 prepares DLC film layer with multi-layer structure.
(1) wolfram steel material is selected to process by aluminium electrolutic capacitor sealing 100 schematic diagram of needle of Fig. 1, radius is at the angle R 121 Outer surface at sealing needle section and the angle R 121 is polished to roughness Ra less than 0.1um by 2mm.
(2) sealing needle matrix is successively cleaned by ultrasonic to surface using degreaser, wax removing agent, metal cleaner without spot.
(3) the sealing needle matrix cleaned up is implemented using multifunctional vacuum filming equipment plasma etching technology pre- It handles, wherein plasma etching parameter are as follows: 200~220V of bias, impressed current anode 65~80A of electric current, argon flow 60ml/ min。
(4) multifunctional vacuum filming equipment magnetron sputtering technique is used to pretreated sealing needle matrix, deposited first Prime coat 111TiN film layer, sedimentation time 60min, wherein magnetron sputtering parameter are as follows: nitrogen flow 50ml/min, Ti target power output is 4kw, argon flow 120ml/min.
(5) 113 metal Ti film layer of First Transition layer, deposition are deposited using magnetron sputtering technique on the basis of (4) step Time 10min, wherein magnetron sputtering parameter are as follows: Ti target power output is 4kw, argon flow 120ml/min.
(6) using magnetron sputtering technique deposition 115 metal Ti film layer of the second transition zone and WC film on the basis of (5) step Layer alternately composite film, sedimentation time 15min, wherein magnetron sputtering parameter are as follows: Ti target power output is 0.5~4kw, WC target power output For 0.5~4kw, argon flow 120ml/min.
(7) tungsten diamond-like DLC is mixed using magnetron sputtering technique deposition third transition zone 117 on the basis of (6) step Film layer, sedimentation time 40min, wherein magnetron sputtering parameter are as follows: WC target power output is 4kw, acetylene gas flow 60ml/min, argon Throughput 120ml/min.
(8) using plasma enhancing chemical vapour deposition technique deposits surface layer 119DLC film layer on the basis of (7), Sedimentation time is 120min, wherein plasma enhanced chemical vapor deposition parameter are as follows: 730~900V of bias, acetylene flow 190 ~220ml/min.
(9) it can be obtained the aluminium electrolutic capacitor with multilayered structure film layer when in-furnace temperature is lower than 150 DEG C and seal needle 100。
Through detecting, using above-mentioned aluminium electrolutic capacitor sealing needle 100 without special on aluminium electrolutic capacitor closing device Fueller lubrication sealing needle, the product processed is without oily pollution, product surface impulse- free robustness, seals needle service life up to 5 Month or more.
In conclusion the aluminium electrolutic capacitor sealing needle 100 that the embodiment of the present invention provides includes sealing needle ontology 101. And the outer application of the sealing needle ontology 101 is provided with diamond-like carbon composite film 109.The diamond-like carbon composite film 109 is With high rigidity, high-bond, low-friction coefficient, high-wearing feature, resistance to bond self-lubricating coat in use, impart sealing needle set have it is good Wearability well, resistance to bond, self-lubrication to effectively prevent sealing needle from occurring viscous aluminium phenomenon in use, and have Effect protects matrix, and product caused by wearing in process because of matrix is avoided burr phenomena occur;In use process without special The fueller of door is lubricated sealing needle, to avoid lubricant pollution product, without product is cleaned again, greatly It improves production efficiency and saves production cost, be with a wide range of applications.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of aluminium electrolutic capacitor seals needle characterized by comprising
Needle ontology is sealed, the outer application of the sealing needle ontology is provided with diamond-like carbon composite film.
2. aluminium electrolutic capacitor according to claim 1 seals needle, it is characterised in that:
The diamond-like carbon composite film includes from the interior prime coat set gradually outward, First Transition layer, the second transition zone, Three transition zones and surface layer, wherein the prime coat be layer of nitride film, the First Transition layer be metallic diaphragm, described second Transition zone is the composite film that replaces of metal layer and carbide, and the third transition zone is the diamond-film-like with dopant Layer, the surface layer are diamond-like carbon film layer.
3. aluminium electrolutic capacitor according to claim 2 seals needle, it is characterised in that:
The layer of nitride film of the prime coat is made of the nitride selected from least one of Cr, Ti, Zr, V, Al element.
4. aluminium electrolutic capacitor according to claim 3 seals needle, it is characterised in that:
The layer of nitride film of the prime coat with a thickness of 0.5um~1.5um.
5. aluminium electrolutic capacitor according to claim 2 seals needle, it is characterised in that:
The metal of the metallic diaphragm of the First Transition layer and second transition zone is any in Cr, Ti, Zr, V, Al Kind element;Carbide lamella is selected from any one of WC, TiC, CrC, ZrC in second transition zone;The third transition zone Dopant in diamond-like carbon film layer with dopant is constituted selected from least one of W, Cr, Ti element doping.
6. aluminium electrolutic capacitor according to claim 5 seals needle, it is characterised in that:
The First Transition layer with a thickness of 0.1um~0.5um;Second transition zone with a thickness of 0.2um~1um;It is described Third transition zone with a thickness of 0.5um~1.5um.
7. aluminium electrolutic capacitor according to claim 2 seals needle, it is characterised in that:
The diamond-like carbon film layer on the surface layer is selected from amorphous carbon-film, tetrahedral amorphous carbon film, metal-doped amorphous carbon-film, hydrogeneous non- Brilliant carbon film, tetrahedroid are containing any one of hydrogen amorphous, metal-doped hydrogeneous amorphous carbon-film.
8. aluminium electrolutic capacitor according to claim 7 seals needle, it is characterised in that:
The surface layer with a thickness of 0.5um~3um.
9. aluminium electrolutic capacitor according to claim 2 seals needle, it is characterised in that:
0.03~the 0.1um of surface roughness Ra on the surface layer, coefficient of friction be 0.05~0.2, microhardness be Hv2000~ 7000。
10. the preparation method of the sealing needle of aluminium electrolutic capacitor described in a kind of any one of claim 2 to 9, which is characterized in that Include:
The prime coat, the First Transition layer, second transition zone, described are successively coated on the sealing needle ontology Three transition zones and the surface layer.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910151A (en) * 2020-08-14 2020-11-10 广东省新材料研究所 Bullet body, preparation method thereof and medical instrument

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101365824A (en) * 2005-08-18 2009-02-11 贝卡尔特股份有限公司 Substrate coated with a layered structure comprising a tetrahedral carbon coating
CN101823353A (en) * 2010-04-30 2010-09-08 广州有色金属研究院 Metal-diamond-like carbon (Me-DLC) nano composite membrane and preparation method thereof
CN101876053A (en) * 2009-11-13 2010-11-03 中信戴卡轮毂制造股份有限公司 Aluminum alloy surface titanium-doped diamond-like film and preparation method thereof
CN104204272A (en) * 2011-12-07 2014-12-10 马勒金属立夫有限公司 Sliding component for use in an internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101365824A (en) * 2005-08-18 2009-02-11 贝卡尔特股份有限公司 Substrate coated with a layered structure comprising a tetrahedral carbon coating
CN101876053A (en) * 2009-11-13 2010-11-03 中信戴卡轮毂制造股份有限公司 Aluminum alloy surface titanium-doped diamond-like film and preparation method thereof
CN101823353A (en) * 2010-04-30 2010-09-08 广州有色金属研究院 Metal-diamond-like carbon (Me-DLC) nano composite membrane and preparation method thereof
CN104204272A (en) * 2011-12-07 2014-12-10 马勒金属立夫有限公司 Sliding component for use in an internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910151A (en) * 2020-08-14 2020-11-10 广东省新材料研究所 Bullet body, preparation method thereof and medical instrument

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