CN105006383A - Novel silver-based low-voltage contact material - Google Patents
Novel silver-based low-voltage contact material Download PDFInfo
- Publication number
- CN105006383A CN105006383A CN201510408036.8A CN201510408036A CN105006383A CN 105006383 A CN105006383 A CN 105006383A CN 201510408036 A CN201510408036 A CN 201510408036A CN 105006383 A CN105006383 A CN 105006383A
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- Prior art keywords
- low
- pressure contact
- metallic silver
- silver
- grapheme
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/027—Composite material containing carbon particles or fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/029—Composite material comprising conducting material dispersed in an elastic support or binding material
Abstract
The invention discloses a novel silver-based low-voltage contact material. The novel silver-based low-voltage contact material comprises a graphene material and a metal silver material added to the graphene material, wherein the volume of the graphene material is lower than 30% of the total volume of the low-voltage contact material, and the residual is the metal silver material. The invention further discloses a preparation method of the novel silver-based low-voltage contact material. In the method, the metal silver material is added to the graphene material to obtain silver/graphene composite contact material. The low-voltage contact material is high in electricity conductivity, high in hardness, low in contact resistance, low in temperature rise, good in machinability and good in application prospect.
Description
Technical field
The present invention relates to slider material technical field, be specifically related to a kind of Novel silver-based low-pressure contact material and preparation method thereof.
Background technology
Slider material is a kind of basic electric elements of extensive use, and the task of burden on-off load circuit current, its quality determines the connecting-disconnecting function of low voltage component and the reliability of electrical contact circuit.At present, the mainly silver-oxide slider material extensively adopted in low-voltage electrical apparatus.But conventional silver oxide slider material is in use along with increase contact resistance, the temperature rise increase of open and close times, and slider material lost efficacy serious.According to low-voltage electrical apparatus demand for development and low-voltage electrical apparatus service condition, desirable low-voltage electrical apparatus demand for development and the service condition of low-pressure contact, desirable low-pressure contact material must meet basic demand: the electric conductivity that (1) is good; (2) suitable hardness; (3) good processing and welding performance; (4) stable contact resistance; (5) excellent anti electric arc corrosion performance.
Conventional low-pressure contact material mainly contains: Ag-CdO, Ag-SnO
2, Ag-Ni etc., but these traditional materials can not meet development and the performance requirement of low-voltage electrical apparatus.Poisonous Cd steam is discharged in the use procedure of Ag-CdO slider material; Ag-SnO
2slider material is due to liquid Ag and SnO
2the wetability of particle is poor, and in low-voltage electrical apparatus use procedure, the contact resistance of slider material and temperature rise increase, and the useful life of material reduces; The problems such as the anti electric arc corrosion scarce capacity of Ag-Ni slider material.
Summary of the invention
In view of this, the invention provides a kind of Novel silver-based low-pressure contact material, this low-pressure contact material has the good characteristic of high connductivity, high rigidity, low contact resistance, low-temperature-rise and machinability, solves prior art Problems existing.
In order to reach above-mentioned goal of the invention, present invention employs following technical scheme:
A kind of Novel silver-based low-pressure contact material, it comprises grapheme material and is filled in the metallic Silver material in grapheme material; Wherein, the volume of described grapheme material account for this low-pressure contact all materials long-pending less than 30%, surplus is described metallic Silver material.
Preferably, the volume of described grapheme material account for this low-pressure contact all materials long-pending 5 ~ 20%, surplus is described metallic Silver material.
Preferably, described grapheme material is prepared by chemical vapor deposition method, and its number of plies is 1 ~ 10 layer, and area is 1 ~ 2000 μm
2.
Preferably, containing one or more in Cu, W, La or Bi element in described metallic Silver material, its volume content accounts for 0.05 ~ 1% of described metallic Silver material cumulative volume.
Preferably, containing one or more in Fe, Ni or Co element in described metallic Silver material, its volume content accounts for 0.05 ~ 0.5% of described metallic Silver material cumulative volume.
The preparation method of Novel silver-based low-pressure contact material as above, wherein, comprises step: S1, prepare described grapheme material by chemical vapor deposition method; S2, by described metallic Silver material heat fused; S3, the metallic Silver material of melt shape to be filled in described grapheme material, to obtain described money base low-pressure contact material.
Effect of the present invention is: obtain silver/graphite alkene composite contact material by being filled in grapheme material by metallic Silver material, because Graphene has excellent conductive ability, the conductivity of this slider material significantly improves; Graphene has high rigidity and dystectic characteristic, and the hardness of slider material significantly improves, and solves the problem of low-pressure contact material anti electric arc corrosion scarce capacity simultaneously; In addition, Graphene has excellent deformability, and the plastic deformation ability of slider material significantly improves.
Embodiment
As previously mentioned, the object of the invention is to solve traditional low-pressure contact material Problems existing, provide a kind of Novel silver-based low-pressure contact material, this Novel silver-based low-pressure contact material comprises grapheme material and is filled in the metallic Silver material in grapheme material; Wherein, the volume of described grapheme material account for this low-pressure contact all materials long-pending less than 30%, surplus is described metallic Silver material.Wherein, the comparative optimization number of plies is 1 ~ 10 layer, and area is 1 ~ 2000 μm
2grapheme material in scope.
The preparation method of this Novel silver-based low-pressure contact material comprises step: S1, prepare described grapheme material by chemical vapor deposition method; S2, by described metallic Silver material heat fused; S3, the metallic Silver material of melt shape to be filled in described grapheme material, to obtain described money base low-pressure contact material.
Graphene is material (Young's modulus 1.7TPa) the hardest in the world, and fusing point, more than 2000 DEG C, has good thermal conductivity (5000W/ (m.k)) and electric conductivity.Meanwhile, the structure of its uniqueness makes it have the special character such as perfect quantum hall effect, unique quantum tunneling effect and ambipolar electric field effect.Because Graphene has excellent performance, great specific area and lower production cost (relative to carbon nano-tube), be highly suitable for developing high performance composite material.Connection between each carbon atom of Graphene is very pliable and tough, and when applying exterior mechanical load, carbon atom face flexural deformation will adapt to external force, and carbon atom need not be made to rearrange, and so just maintains the stable of structure.When electronics in Graphene moves in track, scattering can not be there is because of lattice defect or foreign atom.Because interatomic force is comparatively strong, even if around telescope between carbon atom at normal temperatures, the interference that in Graphene, electronics is subject to is also very little.
Based on these excellent performances of Graphene, silver/graphite alkene composite contact material is obtained by being filled in grapheme material by metallic Silver material, by the high rigidity of electric conductivity excellent for metallic matrix (metallic Silver material) and second-phase reinforcing material (grapheme material), high-melting-point combines, and obtains the silver/graphite alkene composite material that combination property is good.Using this silver/graphite alkene composite material as low-pressure contact material, because Graphene has excellent conductive ability, the conductivity of this slider material significantly improves; Graphene has high rigidity and dystectic characteristic, and the hardness of slider material significantly improves, and solves the problem of low-pressure contact material anti electric arc corrosion scarce capacity simultaneously; In addition, Graphene has excellent deformability, and the plastic deformation ability of slider material significantly improves.Therefore, silver/graphite alkene composite material has broad application prospects at low-pressure contact Material Field.
As a preferred embodiment, the volume of described grapheme material account for this low-pressure contact all materials long-pending 5 ~ 20%, surplus is described metallic Silver material.
As a preferred embodiment, containing one or more in Cu, W, La or Bi element in described metallic Silver material, its volume content accounts for 0.05 ~ 1% of described metallic Silver material cumulative volume.Containing elements such as Cu, W, La or Bi in metallic Silver material, effectively can improve the interface cohesion between metallic Silver material and grapheme material, improve the interface wet ability of material.
As a preferred embodiment, containing one or more in Fe, Ni or Co element in described metallic Silver material, its volume content accounts for 0.05 ~ 0.5% of described metallic Silver material cumulative volume, and this several element obviously can improve anti electric arc corrosion ability and the resistance fusion welding energy of low-pressure contact material.
Below in conjunction with specific embodiment, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part example, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to scope.
Embodiment 1
Present embodiments provide a kind of novel money base low-pressure contact material, comprise grapheme material and be filled in the metallic Silver material in grapheme material.Particularly, first grapheme material is prepared by chemical vapor deposition method; Then the metallic Silver material of melt shape is filled in described grapheme material by metallic Silver material heat fused, obtains this money base low-pressure contact material.Wherein, for grapheme material, the comparative optimization number of plies is 1 ~ 10 layer, and area is 1 ~ 2000 μm
2grapheme material in scope.
In the present embodiment, the volume of described grapheme material account for this low-pressure contact all materials long-pending 30%, metallic Silver material account for this low-pressure contact all materials long-pending 70%.Further, in order to improve the interface cohesion between metallic Silver material and grapheme material, improve the interface wet ability of material, also include the trace elements such as Cu, W, La or Bi in metallic Silver material, these account for about 1% of metallic Silver material cumulative volume in order to element.More specifically, also containing one or more in Fe, Ni or Co element in metallic Silver material, its volume content accounts for 0.05 ~ 0.5% of described metallic Silver material cumulative volume, and this several element obviously can improve anti electric arc corrosion ability and the resistance fusion welding energy of low-pressure contact material.
The money base low-pressure contact material that the present embodiment prepares has the good characteristic of high connductivity, high rigidity, low contact resistance, low-temperature-rise and machinability compared with conventional low slider material, has a good application prospect.
Embodiment 2
Present embodiments provide a kind of novel money base low-pressure contact material, comprise grapheme material and be filled in the metallic Silver material in grapheme material.Particularly, first grapheme material is prepared by chemical vapor deposition method; Then the metallic Silver material of melt shape is filled in described grapheme material by metallic Silver material heat fused, obtains this money base low-pressure contact material.Wherein, for grapheme material, the comparative optimization number of plies is 1 ~ 10 layer, and area is 1 ~ 2000 μm
2grapheme material in scope.
In the present embodiment, the volume of described grapheme material account for this low-pressure contact all materials long-pending 20%, metallic Silver material account for this low-pressure contact all materials long-pending 80%.Further, in order to improve the interface cohesion between metallic Silver material and grapheme material, improve the interface wet ability of material, also include the trace elements such as Cu, W, La or Bi in metallic Silver material, these account for about 0.5% of metallic Silver material cumulative volume in order to element.More specifically, also containing one or more in Fe, Ni or Co element in metallic Silver material, its volume content accounts for 0.05 ~ 0.5% of described metallic Silver material cumulative volume.
The money base low-pressure contact material that the present embodiment prepares has the good characteristic of high connductivity, high rigidity, low contact resistance, low-temperature-rise and machinability, has a good application prospect.
Embodiment 3
Present embodiments provide a kind of novel money base low-pressure contact material, comprise grapheme material and be filled in the metallic Silver material in grapheme material.Particularly, first grapheme material is prepared by chemical vapor deposition method; Then the metallic Silver material of melt shape is filled in described grapheme material by metallic Silver material heat fused, obtains this money base low-pressure contact material.Wherein, for grapheme material, the comparative optimization number of plies is 1 ~ 10 layer, and area is 1 ~ 2000 μm
2grapheme material in scope.
In the present embodiment, the volume of described grapheme material account for this low-pressure contact all materials long-pending 10%, metallic Silver material account for this low-pressure contact all materials long-pending 90%.Further, in order to improve the interface cohesion between metallic Silver material and grapheme material, improve the interface wet ability of material, also include the trace elements such as Cu, W, La or Bi in metallic Silver material, these account for about 0.05% of metallic Silver material cumulative volume in order to element.More specifically, also containing one or more in Fe, Ni or Co element in metallic Silver material, its volume content accounts for 0.05 ~ 0.5% of described metallic Silver material cumulative volume.
The money base low-pressure contact material that the present embodiment prepares has the good characteristic of high connductivity, high rigidity, low contact resistance, low-temperature-rise and machinability, has a good application prospect.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection range of the application.
Claims (6)
1. a Novel silver-based low-pressure contact material, is characterized in that, comprises grapheme material and is filled in the metallic Silver material in grapheme material; Wherein, the volume of described grapheme material account for this low-pressure contact all materials long-pending less than 30%, surplus is described metallic Silver material.
2. Novel silver-based low-pressure contact material according to claim 1, is characterized in that, the volume of described grapheme material account for this low-pressure contact all materials long-pending 5 ~ 20%, surplus is described metallic Silver material.
3. Novel silver-based low-pressure contact material according to claim 1, it is characterized in that, described grapheme material is prepared by chemical vapor deposition method, and its number of plies is 1 ~ 10 layer, and area is 1 ~ 2000 μm 2.
4. Novel silver-based low-pressure contact material according to claim 1, is characterized in that, containing one or more in Cu, W, La or Bi element in described metallic Silver material, its volume content accounts for 0.05 ~ 1% of described metallic Silver material cumulative volume.
5. the Novel silver-based low-pressure contact material according to claim 1 or 4, is characterized in that, containing one or more in Fe, Ni or Co element in described metallic Silver material, its volume content accounts for 0.05 ~ 0.5% of described metallic Silver material cumulative volume.
6. the preparation method of the Novel silver-based low-pressure contact material as described in as arbitrary in claim 1-5, is characterized in that, comprise step:
S1, prepare described grapheme material by chemical vapor deposition method;
S2, by described metallic Silver material heat fused;
S3, the metallic Silver material of melt shape to be filled in described grapheme material, to obtain described money base low-pressure contact material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408036.8A CN105006383B (en) | 2015-07-13 | 2015-07-13 | A kind of silver-based low-pressure contact material |
| PCT/CN2016/089667 WO2017008716A1 (en) | 2015-07-13 | 2016-07-11 | New type of silver-based low-voltage contact material and method for fabrication thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408036.8A CN105006383B (en) | 2015-07-13 | 2015-07-13 | A kind of silver-based low-pressure contact material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105006383A true CN105006383A (en) | 2015-10-28 |
| CN105006383B CN105006383B (en) | 2017-09-12 |
Family
ID=54379015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510408036.8A Expired - Fee Related CN105006383B (en) | 2015-07-13 | 2015-07-13 | A kind of silver-based low-pressure contact material |
Country Status (2)
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| CN (1) | CN105006383B (en) |
| WO (1) | WO2017008716A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385877A (en) * | 2015-11-09 | 2016-03-09 | 昆明贵金属研究所 | Novel silver-based electrical contact composite material and preparing method thereof |
| CN105551861A (en) * | 2016-02-26 | 2016-05-04 | 周懿涵 | Preparation method of graphene-reinforced silver-based electric contact material |
| CN105575684A (en) * | 2015-12-24 | 2016-05-11 | 周懿涵 | Silver based electrical contact composite material and preparation method thereof |
| CN105679560A (en) * | 2016-02-26 | 2016-06-15 | 济南大学 | Preparation method of nickel-plated graphene-reinforced silver-based electrical contact material |
| CN105695792A (en) * | 2016-02-26 | 2016-06-22 | 济南大学 | Preparation method for graphene/silver nickel electrical contact material |
| CN105821234A (en) * | 2016-04-21 | 2016-08-03 | 昆明贵金属研究所 | Preparation method for graphene-reinforcing silver-based sliding electrical contact material |
| WO2017008716A1 (en) * | 2015-07-13 | 2017-01-19 | 严利容 | New type of silver-based low-voltage contact material and method for fabrication thereof |
| CN108288555A (en) * | 2018-02-01 | 2018-07-17 | 广州市新稀冶金化工有限公司 | Silver-based electrode material and preparation method thereof based on three-dimensional grapheme nanosphere |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101666B (en) * | 2021-09-03 | 2023-08-01 | 叶浩博 | Graphene-based silver-saving electrical contact material and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396025A (en) * | 2002-07-02 | 2003-02-12 | 华东师范大学 | Process for preparing electric silver/graphite contact material by nano technique |
| CN101256903A (en) * | 2008-03-20 | 2008-09-03 | 上海交通大学 | Silver-graphitic electrical contact composite plating layer and method of preparing the same |
| CN102385938A (en) * | 2011-11-10 | 2012-03-21 | 电子科技大学 | Metal matrix graphene composite electrical contact material and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538214B (en) * | 2014-12-11 | 2016-08-17 | 福达合金材料股份有限公司 | The copper-based slider material of foam copper is strengthened based on Graphene |
| CN105006383B (en) * | 2015-07-13 | 2017-09-12 | 青海大学 | A kind of silver-based low-pressure contact material |
-
2015
- 2015-07-13 CN CN201510408036.8A patent/CN105006383B/en not_active Expired - Fee Related
-
2016
- 2016-07-11 WO PCT/CN2016/089667 patent/WO2017008716A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396025A (en) * | 2002-07-02 | 2003-02-12 | 华东师范大学 | Process for preparing electric silver/graphite contact material by nano technique |
| CN101256903A (en) * | 2008-03-20 | 2008-09-03 | 上海交通大学 | Silver-graphitic electrical contact composite plating layer and method of preparing the same |
| CN102385938A (en) * | 2011-11-10 | 2012-03-21 | 电子科技大学 | Metal matrix graphene composite electrical contact material and preparation method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017008716A1 (en) * | 2015-07-13 | 2017-01-19 | 严利容 | New type of silver-based low-voltage contact material and method for fabrication thereof |
| CN105385877A (en) * | 2015-11-09 | 2016-03-09 | 昆明贵金属研究所 | Novel silver-based electrical contact composite material and preparing method thereof |
| CN105575684A (en) * | 2015-12-24 | 2016-05-11 | 周懿涵 | Silver based electrical contact composite material and preparation method thereof |
| CN105551861A (en) * | 2016-02-26 | 2016-05-04 | 周懿涵 | Preparation method of graphene-reinforced silver-based electric contact material |
| CN105679560A (en) * | 2016-02-26 | 2016-06-15 | 济南大学 | Preparation method of nickel-plated graphene-reinforced silver-based electrical contact material |
| CN105695792A (en) * | 2016-02-26 | 2016-06-22 | 济南大学 | Preparation method for graphene/silver nickel electrical contact material |
| CN105695792B (en) * | 2016-02-26 | 2017-09-19 | 济南大学 | A kind of preparation method of graphene/silver nickel electric contact material |
| CN105679560B (en) * | 2016-02-26 | 2018-06-01 | 济南大学 | A kind of preparation method of Ni-coated graphite alkene enhancing Ag-based electrical contact material |
| CN105551861B (en) * | 2016-02-26 | 2018-06-05 | 周懿涵 | A kind of preparation method of graphene enhancing Ag-based electrical contact material |
| CN105821234A (en) * | 2016-04-21 | 2016-08-03 | 昆明贵金属研究所 | Preparation method for graphene-reinforcing silver-based sliding electrical contact material |
| CN108288555A (en) * | 2018-02-01 | 2018-07-17 | 广州市新稀冶金化工有限公司 | Silver-based electrode material and preparation method thereof based on three-dimensional grapheme nanosphere |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017008716A1 (en) | 2017-01-19 |
| CN105006383B (en) | 2017-09-12 |
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