CN103824711A - Double-layer silver-based composite oxide electrical contact material and application thereof - Google Patents
Double-layer silver-based composite oxide electrical contact material and application thereof Download PDFInfo
- Publication number
- CN103824711A CN103824711A CN201310712001.4A CN201310712001A CN103824711A CN 103824711 A CN103824711 A CN 103824711A CN 201310712001 A CN201310712001 A CN 201310712001A CN 103824711 A CN103824711 A CN 103824711A
- Authority
- CN
- China
- Prior art keywords
- contact material
- electric contact
- base composite
- layer
- ingot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a double-layer silver-based composite oxide electrical contact material and an application thereof. The silver-based composite oxide electrical contact material comprises two layers. One layer is an AgCuZn layer, the other layer is a silver composite oxide layer, the two layers are fixed through fusion, and the silver composite oxide layer is prepared by Ag, Sn, La and Zr. The silver-based composite oxide electrical contact material, while improving contact performance, also saves the use amount of a silver material and substantially reduces the cost.
Description
Technical field
The present invention relates to double silver base composite oxidate electric contact material and application thereof, be particularly suitable for exchanging the electric contact material with relay or automobile lift-launch relay.
Background technology
China's relay industry, its production technology, production technology are mainly produced with the cheap labour-intensive mode of production for a long time, thereby product quality, performance and price all have weak point in competition in the international market, the properties of product of a same specification have very large difference.Therefore, the outlet of domestic relay industry is to improve constantly on the basis of the part accuracy of manufacture, focus on development and the improvement of Assembling Production pattern and the raising of reliability of product, to realizing automation or the semi-automation of Assembling Production technique, finally realize production integrated, thereby improve product technology class and technology content, improve quality, reduce costs.The performance of home products has very large gap with external advanced enterprises.Research for the material of contact part silver alloy still rests on laboratory stage.
As the electric contact material of assembling in the relay using under general AC load, common are Ag-CdO is electric contact material.Ag-CdO is that slider material is to have the characteristics such as deposit resistance property, resistance to expendable and contact resistance stability as electric contact material.But Cd is the element poisonous to human body, considers recent environmental problem, does not preferably manufacture and uses it.Therefore, need to carry out not containing the exploitation of the electric contact material of Cd.
As in the alternating current general-purpose relay of AC load etc., use not containing the material of Cd, the clear 54-110124 of patent documentation TOHKEMY and patent documentation JP examined patent publication 55-4825 disclose Ag-SnO
2system and Ag-SnO
2-In
2o
3system waits the oxide based electric contact material of Ag-.Wherein known, Ag-SnO
2under the capacity load that the electric contact material of system occurs at impulse current, show very good deposit resistance property.But, under inductive load, be that electric contact material is compared with Ag-CdO in the past, Ag-SnO
2the resistance to consumption characteristics that is electric contact material is slightly poor, therefore, is difficult to guarantee that with Ag-CdO be the equal or better durability of electric contact material.Known in addition, Ag-SnO
2be in electric contact material, also to contain In
2o
3ag-SnO
2-In
2o
3be electric contact material, significantly improved Ag-SnO
2be the resistive load of electric contact material and the resistance to expendable to inductive load, being that electric contact material is same with Ag-CdO has a wear properties good to various load balancings.But In is rare metal, and just used in a large number as the raw material of the ito transparent electrode in the recent display unit such as liquid crystal or plasma, therefore In resource is faced with exhausted problem, and In big bulge in price, also has influence on electric contact material manufacturing cost.
In addition, domestic also have following patent documentation to the research of ag-based contact material: CN1417817A, CN1425790A, CN1441071A, CN1167835A, CN101202169A, CN1443864A etc.
Summary of the invention
The present invention is directed to the deficiency of above existence, a kind of double silver base composite oxidate electric contact material is provided, and uses it in relay, this double silver base composite oxidate electric contact material has good mechanics and electricity combination property.
For realizing above-mentioned object, the invention provides a kind of double silver base composite oxidate electric contact material, this money base composite oxides electric contact material comprises two-layer, wherein one deck be AgCuZn layer by layer, another layer is silver-colored composite oxide layer, between two-layer, fix by fusion, wherein the preparation method of the composite oxide layer of silver comprises the following steps:
(1) alloy melting, forms alloy melt through melting after Ag, Sn, La, Zr are mixed by following mass percent, and wherein Sn is that 5-10%, La are that 0.5-2%, Zr are 2-5%, and surplus is Ag;
(2) powder by atomization, makes alloy powder by alloy melt through the atomization of high-pressure atomization equipment;
(3) isostatic pressing ingot, is processed into embryo ingot by alloy powder by isostatic pressing ingot;
(4) sintering carries out embryo ingot sintering in non-oxidative medium, and sintering temperature is 450 ℃-600 ℃ and obtains alloy powder sintered ingot;
(5) through extruding, alloy powder sintered ingot is crushed to extrusion plate;
(6) oxidation in, the sheet material that step (5) is made makes described money base composite oxides electric contact material by internal oxidation.
In a preferred embodiment of the present invention, further arranging is that in described step (1), smelting temperature is 600 ℃-800 ℃.
In a preferred embodiment of the present invention, wherein Sn is 10%, La is 1%, Zr is 5%.
In a preferred embodiment of the present invention, described step (2) powder by atomization is gas-atomized powder, and wherein aerosolization pressure is at 10MPa-15MPa.
In a preferred embodiment of the present invention, the hydrostatic pressure in described step (3) is controlled at 100MPa-150MP.
In a preferred embodiment of the present invention, in described step (4), non-oxidative medium is vacuum or or nitrogen atmosphere.
In a preferred embodiment of the present invention, 500 ℃-700 ℃ of the extrusion temperatures in described step (5), extrusion ratio >=80.
In a preferred embodiment of the present invention, in described step (6), internal oxidation process condition is controlled at: pure oxygen pressure 0.5-1MPa, temperature 500-700 ℃.
In a preferred embodiment of the present invention, the quality percentage composition that the quality percentage composition that in described AgCuZn layer, the quality percentage composition of silver is 65%, Cu is 20%, Zn is 15%.
The invention still further relates to the production process for relay by above-mentioned money base composite oxides electric contact material.
In concrete use, using AgCuZn layer as solder side, the composite oxide layer of silver is as working face.Using this silver-colored composite oxide layer as working face, make this material there is good erosion resisting and resistance fusion welding energy, and there is good break-make performance.The selection of the present invention by metal and the optimization of proportioning, and structural design to electric contact material, in improving contact performance, also saved the consumption of ag material, greatly reduces cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the schematic diagram of double silver base composite oxidate electric contact material of the present invention
Wherein 1 represents AgCuZn layer, and 2 represent silver-colored composite oxide layer.
Embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the invention will be further described:
Double silver base composite oxidate electric contact material A comprises two-layer, and wherein one deck is AgCuZn layer, and another layer is silver-colored composite oxide layer, fixes between two-layer by fusion, and wherein the preparation method of the composite oxide layer of silver comprises the following steps:
(1) alloy melting, forms alloy melt through melting after Ag, Sn, La, Zr are mixed by following mass percent, and wherein Sn is 10%, La is 1%, Zr is 5%, and surplus is Ag, and smelting temperature is 600 ℃;
(2) gas-atomized powder, makes alloy powder by alloy melt through the atomization of high-pressure atomization equipment, and wherein aerosolization pressure is at 10MPa;
(3) isostatic pressing ingot, is processed into embryo ingot by alloy powder by isostatic pressing ingot, and pressure is controlled at 150MPa;
(4) sintering carries out embryo ingot sintering in nitrogen atmosphere, and sintering temperature is 500 ℃ and obtains alloy powder sintered ingot;
(5) through extruding, alloy powder sintered ingot is crushed to extrusion plate, 600 ℃ of extrusion temperatures, extrusion ratio >=80;
(6) oxidation in, the sheet material that step (5) is made makes described money base composite oxides electric contact material by internal oxidation, wherein 500 ℃ of pure oxygen pressure 1MPa, temperature.
Double silver base composite oxidate electric contact material B comprises two-layer, and wherein one deck is AgCuZn layer, and another layer is silver-colored composite oxide layer, fixes between two-layer by fusion, and wherein the preparation method of the composite oxide layer of silver comprises the following steps:
(1) alloy melting, forms alloy melt through melting after Ag, Sn, La, Zr are mixed by following mass percent, and wherein Sn is 5%, La is 2%, Zr is 5%, and surplus is Ag, and smelting temperature is 800 ℃;
(2) gas-atomized powder, makes alloy powder by alloy melt through the atomization of high-pressure atomization equipment, and wherein aerosolization pressure is at 15MPa;
(3) isostatic pressing ingot, is processed into embryo ingot by alloy powder by isostatic pressing ingot, and pressure is controlled at 120MPa;
(4) sintering carries out embryo ingot sintering in nitrogen atmosphere, and sintering temperature is 600 ℃ and obtains alloy powder sintered ingot;
(5) through extruding, alloy powder sintered ingot is crushed to extrusion plate, 500 ℃ of extrusion temperatures, extrusion ratio >=80;
(6) oxidation in, the sheet material that step (5) is made makes described money base composite oxides electric contact material by internal oxidation, wherein 700 ℃ of pure oxygen pressure 0.5MPa, temperature.
The double silver base composite oxidate electric contact material that above-described embodiment 1 and 2 is prepared carries out the performance test results and sees the following form 1.
Table 1
| ? | Embodiment 1(A) | Embodiment 2(B) |
| Conductance (μ Ω .cm) | 3.5 | 3.3 |
| Tensile strength (MPa) | 400 | 398 |
| Hardness (HV) | 145 | 143 |
| Endurance life number of times | 49890 | 47690 |
| Current capacity (A) | 30A | 29A |
Above embodiment shows and has described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; rather than limit the scope of the invention by any way; without departing from the scope of the invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (10)
1. a double silver base composite oxidate electric contact material, it is characterized in that this money base composite oxides electric contact material comprises two-layer, wherein one deck is AgCuZn layer, another layer is silver-colored composite oxide layer, between two-layer, fix by fusion, wherein the preparation method of the composite oxide layer of silver comprises the following steps:
(1) alloy melting, forms alloy melt through melting after Ag, Sn, La, Zr are mixed by following mass percent, and wherein Sn is that 5-10%, La are that 0.5-2%, Zr are 2-5%, and surplus is Ag;
(2) powder by atomization, makes alloy powder by alloy melt through the atomization of high-pressure atomization equipment;
(3) isostatic pressing ingot, is processed into embryo ingot by alloy powder by isostatic pressing ingot;
(4) sintering carries out embryo ingot sintering in non-oxidative medium, and sintering temperature is 450 ℃-600 ℃ and obtains alloy powder sintered ingot;
(5) through extruding, alloy powder sintered ingot is crushed to extrusion plate;
(6) oxidation in, the sheet material that step (5) is made makes described money base composite oxides electric contact material by internal oxidation.
2. preparation method according to claim 1, is characterized in that in described step (1), smelting temperature is 600 ℃-800 ℃.
3. double silver base composite oxidate electric contact material according to claim 1, is characterized in that Sn is 10%, La is 1%, Zr is 5%.
4. double silver base composite oxidate electric contact material according to claim 1, is characterized in that described step (2) powder by atomization is gas-atomized powder, and wherein aerosolization pressure is at 10MPa-15MPa.
5. double silver base composite oxidate electric contact material according to claim 1, is characterized in that the hydrostatic pressure in described step (3) is controlled at 100MPa-150MP.
6. double silver base composite oxidate electric contact material according to claim 1, is characterized in that in described step (4), non-oxidative medium is vacuum or or nitrogen atmosphere.
7. double silver base composite oxidate electric contact material according to claim 1, is characterized in that 500 ℃-700 ℃ of extrusion temperatures in described step (5), extrusion ratio >=80.
8. double silver base composite oxidate electric contact material according to claim 1, is characterized in that in described step (6), internal oxidation process condition is controlled at: pure oxygen pressure 0.5-1MPa, temperature 500-700 ℃.
9. according to the double silver base composite oxidate electric contact material described in claim 1-8, the quality percentage composition that the quality percentage composition that the quality percentage composition that it is characterized in that silver in described AgCuZn layer is 65%, Cu is 20%, Zn is 15%.
10. the application in the production process of relay according to the double silver base composite oxidate electric contact material described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712001.4A CN103824711B (en) | 2013-12-20 | 2013-12-20 | A kind of double silver base composite oxidate electric contact material and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712001.4A CN103824711B (en) | 2013-12-20 | 2013-12-20 | A kind of double silver base composite oxidate electric contact material and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103824711A true CN103824711A (en) | 2014-05-28 |
| CN103824711B CN103824711B (en) | 2016-01-20 |
Family
ID=50759714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310712001.4A Active CN103824711B (en) | 2013-12-20 | 2013-12-20 | A kind of double silver base composite oxidate electric contact material and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103824711B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206435A (en) * | 2015-07-31 | 2015-12-30 | 陕西斯瑞工业有限责任公司 | Gradient composite copper-chromium contact material and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100459A (en) * | 1986-01-30 | 1987-08-12 | 西门子公司 | The switch contact of vacuum switch and production method thereof |
| CN1053817A (en) * | 1989-12-26 | 1991-08-14 | 住经营企画株式会社 | silver-metal oxide composite material and production method thereof |
| JPH03207831A (en) * | 1990-01-09 | 1991-09-11 | Akira Shibata | Silver-oxide contact material and its manufacture |
| CN1092903A (en) * | 1993-10-04 | 1994-09-28 | 沈阳黄金学院贵金属材料厂 | Silver/copper/Ag/Cu/Ag-Cu-Zn contactor composite and manufacture method thereof |
| CN1425790A (en) * | 2003-01-09 | 2003-06-25 | 陈达峰 | Process for preparing silver tin oxide material |
| CN101609755A (en) * | 2009-07-08 | 2009-12-23 | 中南大学 | A kind of preparation method of silver-metallic oxide electrical contact material |
| CN101944441A (en) * | 2010-08-31 | 2011-01-12 | 扬州乐银合金科技有限公司 | Silver zinc oxide electric contact material and preparation method thereof |
| CN202042384U (en) * | 2011-05-17 | 2011-11-16 | 上海电科电工材料有限公司 | Composite contact of moulded case circuit breaker |
| CN102312119A (en) * | 2010-06-29 | 2012-01-11 | 福达合金材料股份有限公司 | Preparation method for silver tin oxide electrical contact material |
-
2013
- 2013-12-20 CN CN201310712001.4A patent/CN103824711B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100459A (en) * | 1986-01-30 | 1987-08-12 | 西门子公司 | The switch contact of vacuum switch and production method thereof |
| CN1053817A (en) * | 1989-12-26 | 1991-08-14 | 住经营企画株式会社 | silver-metal oxide composite material and production method thereof |
| JPH03207831A (en) * | 1990-01-09 | 1991-09-11 | Akira Shibata | Silver-oxide contact material and its manufacture |
| CN1092903A (en) * | 1993-10-04 | 1994-09-28 | 沈阳黄金学院贵金属材料厂 | Silver/copper/Ag/Cu/Ag-Cu-Zn contactor composite and manufacture method thereof |
| CN1425790A (en) * | 2003-01-09 | 2003-06-25 | 陈达峰 | Process for preparing silver tin oxide material |
| CN101609755A (en) * | 2009-07-08 | 2009-12-23 | 中南大学 | A kind of preparation method of silver-metallic oxide electrical contact material |
| CN102312119A (en) * | 2010-06-29 | 2012-01-11 | 福达合金材料股份有限公司 | Preparation method for silver tin oxide electrical contact material |
| CN101944441A (en) * | 2010-08-31 | 2011-01-12 | 扬州乐银合金科技有限公司 | Silver zinc oxide electric contact material and preparation method thereof |
| CN202042384U (en) * | 2011-05-17 | 2011-11-16 | 上海电科电工材料有限公司 | Composite contact of moulded case circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206435A (en) * | 2015-07-31 | 2015-12-30 | 陕西斯瑞工业有限责任公司 | Gradient composite copper-chromium contact material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103824711B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102176336B (en) | Preparation method of silver-based oxide electrical contact material with filamentary structure | |
| CN102162045A (en) | Electrical contact based on powdered copper and manufacturing process thereof | |
| CN106067391B (en) | Laminar silver-copper-brazing three-composite electrical contact material prepared by atomization method | |
| CN105164778A (en) | Rivet contact and method for producing same | |
| CN101562081A (en) | Silver-saving laminating composite contact terminal piece and preparation method thereof | |
| CN102489894B (en) | Novel composite welding flux | |
| CN106449190A (en) | Layered silver-copper brazing three-composite electrical contact material and preparation method thereof | |
| CN103794391B (en) | A kind for the treatment of process strengthening Ag matrix phase in AgNi composite material and Ni wild phase wetability | |
| CN101677170A (en) | Sliding electrical contact material and electrical contact metal composite material | |
| CN103824711B (en) | A kind of double silver base composite oxidate electric contact material and application thereof | |
| CN201732698U (en) | Three-layer button type electric contact | |
| CN103085395B (en) | Cu-Ti2 AlC functionally gradient material and preparation method thereof | |
| CN103714981B (en) | A kind of relay | |
| CN103762099B (en) | A kind of money base composite oxides electric contact material and application thereof | |
| CN210628116U (en) | Supporting material | |
| CN107591257B (en) | Silver-based multilayer composite electric contact material and preparation method thereof | |
| CN102320835A (en) | Ti2SnC-based electrical contact material as well as preparation method and application thereof | |
| CN205376552U (en) | High oxidation resistance copper strips | |
| CN102102157A (en) | Multicomponent composite copper alloy electrical contact material | |
| CN102031408A (en) | Method for preparing silver-based oxide electrical contact material with fibrous structure | |
| CN104387118A (en) | Formula, preparation method and application of zirconia ceramic metalized slurry for brazing | |
| CN102394184B (en) | Contact of relay | |
| CN100369171C (en) | Silver base rare earth alloy contact material for low-voltage switch electric appliance and method for preparing same | |
| CN201829360U (en) | Silver-tungsten oxide composite contact | |
| CN102436864B (en) | Titanium carbide based electrical contact material as well as preparation method and applications thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |