CN102162045B - Electrical contact based on powdered copper and manufacturing process thereof - Google Patents
Electrical contact based on powdered copper and manufacturing process thereof Download PDFInfo
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- CN102162045B CN102162045B CN 201110077217 CN201110077217A CN102162045B CN 102162045 B CN102162045 B CN 102162045B CN 201110077217 CN201110077217 CN 201110077217 CN 201110077217 A CN201110077217 A CN 201110077217A CN 102162045 B CN102162045 B CN 102162045B
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- electrical contact
- copper
- contact based
- powdered copper
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 23
- 239000010949 copper Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 7
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 7
- 239000010955 niobium Substances 0.000 claims abstract description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- 239000010937 tungsten Substances 0.000 claims abstract description 7
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 7
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 239000011651 chromium Substances 0.000 claims abstract description 6
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 6
- 239000010432 diamond Substances 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 6
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 239000011733 molybdenum Substances 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 229910001316 Ag alloy Inorganic materials 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- ASMQPJTXPYCZBL-UHFFFAOYSA-N [O-2].[Cd+2].[Ag+] Chemical compound [O-2].[Cd+2].[Ag+] ASMQPJTXPYCZBL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
The invention provides an electrical contact based on powdered copper and a preparation process thereof. The electrical contact based on the powdered copper is prepared from the following materials in percentage by weight: 0.3 to 7 percent of nickel, 0.1 to 6 percent of boron, 0.1 to 8 percent of tungsten, 0.2 to 10 percent of graphite, 1 to 7 percent of titanium, 0.1 to 6 percent of molybdenum, 0.1 to 8 percent of diamond, 0.2 to 7 percent of lanthanum, 0.5 to 9 percent of aluminum, 0.5 to 8 percent of niobium, 0.1 to 5 percent of silicon, 0.1 to 6 percent of yttrium, 0.1 to 6 percent of chromium, 0.1 to 5 percent of cerium, and the balance of copper powder. The preparation process comprises the steps of mixing, cold pressing and sintering. In the preparation process, a general silver alloy contact is replaced by copper, so that the cost of silver alloy contacts of electric switches is reduced. The electrical contact based on the powered copper has high electrical performance and mechanical properties, and is a cheap substitute product of silver alloy materials of electrical contacts of low-voltage electric switches.
Description
Technical field
The invention belongs to field of metallurgy, be specifically related to a kind of electrical contact based on powdered copper matrix material for low-voltage apparatus, also relate to the manufacturing process of this electrical contact based on powdered copper simultaneously.
Background technology
Electrical contact as low-voltage apparatus key element, play a significant role at the safety and reliability that ensures low-voltage apparatus.Therefore, to having relatively high expectations of electrical contact material, qualified electrical contact material should possess the low good guide performance of long, shock-resistant, corrosion-resistant, resistance of life-span and the easy physicals such as welding processing.For guaranteeing the reliability of electrical contact work, large multiaction precious metal such as silver and alloy material thereof are made both at home and abroad.But because expensive, the resource-constrained of noble silver is difficult to use on a large scale on low voltage electrical equipment.In order to save production cost, to economize on resources and the requirement of environmental protection, need to seek a kind of equivalent material that meets low-voltage apparatus electrical contact performance requriements.
Summary of the invention
The purpose of this invention is to provide a kind of aboundresources, cheap and long service life, shock-resistant, corrosion-resistant, anti-oxidant, electrical contact based on powdered copper matrix material that resistance is low.Simultaneously, the present invention also provides the preparation technology of this electrical contact based on powdered copper.
The technical solution adopted in the present invention is as follows:
A kind of electrical contact based on powdered copper is prepared from (weight percent) by following material:
Nickel 0.3-7%, boron 0.1-6%, tungsten 0.1-8%, graphite 0.2-10%,
Titanium 1-7%, molybdenum 0.1-6%, diamond 0.1-8%, lanthanum 0.2-7%,
Aluminium 0.5-9%, niobium 0.5-8%, silicon 0.1-5%, yttrium 0.1-6%,
Chromium 0.1-6%, cerium 0.1-5%, surplus is copper powder.
As a further improvement on the present invention, described electrical contact based on powdered copper is prepared from (weight percent) by following material:
Nickel 0.3%, boron 0.15%, tungsten 0.1%, graphite 0.25%,
Titanium 2%, molybdenum 0.15%, diamond 0.2%, lanthanum 0.3%,
Aluminium 0.5%, niobium 0.5%, silicon 0.15%, yttrium 0.1%,
Chromium 0.13%, cerium 0.2%, surplus is copper powder.
The manufacturing process of electrical contact based on powdered copper of the present invention specifically may further comprise the steps:
(1) taking by weighing raw material rolled 2 hours in high energy mixing drum machine is mixed;
(2) enter and be pressed into original shape with 350 tons of oil presses in the model, put into again 850 ℃ of sintering of high-temperature vacuum furnace and cool off after 1 hour;
(3) become required specification by annealing steel rolling, become the contact shape with stamping machine.
Beneficial effect of the present invention is: the price of material is low, practical on low voltage switch, strong, wear-resisting, the anti-corruption of the low segmentation ability of resistance is decreased, electric arc is little, the life-span is long, solved the high problem of price of noble silver, reduced the cost of electric switch silver contact far away, this invention replaces general silver cadmium oxide contact, material price is cheap, be received by the market very much, used customer response very good, and qualified by the authoritative detection 25Kv of department disjunction.
The present invention replaces general silver alloys contact with copper, material therefor low price and aboundresources, thus reduced the cost of electric switch silver alloys contact.Electrical contact of the present invention and good electric property is arranged and the mechanical property such as corrosion-resistant, resistance to oxidation, anti-mechanical shock, hardness height, life-span is long in actual use, close with Ag-ZnO material electrical contact performance, be the cheap substitute products of low-voltage apparatus electrical contact silver alloy.
Among the preparation technology of electrical contact based on powdered copper of the present invention equipment is not had particular requirement, preparation process meets environmental requirement.
Embodiment
Embodiment 1:
Take by weighing by weight percentage raw material: nickel 0.3%, boron 0.15%, tungsten 0.1%, graphite 0.25%, titanium 2%, molybdenum 0.15%, diamond 0.2%, lanthanum 0.3%, aluminium 0.5%, niobium 0.5%, silicon 0.15%, yttrium 0.1%, chromium 0.13%, cerium 0.2%, surplus is copper powder.First optimum value is mixed with copper powder, after carrying out 2 hours mixed rolling with high energy mixing drum machine, again with the powdered alloy that mixes, the 4kg powder is put into model and is pressed into shallow lake, garden shape with the 350T oil press, put into again the cooling in 1 hour of 850 ℃ of sintering of high-temperature vacuum furnace, come out of the stove and push integer with the 350T oil press again, again put into the high-temperature vacuum furnace sintered heat insulating 1 hour.Coming out of the stove directly is pressed into the sheet material shape with the 650T extrusion machine, becomes required specification by annealing steel rolling again, becomes the contact shape with stamping machine.
The electrical contact based on powdered copper performance of making is as follows:
Density 8.3g/cm
Resistivity 2.4G Ω cm
Hardness 40～60 (Hv)
Embodiment 2:
Take by weighing by weight percentage raw material: nickel 0.3%, boron 0.1%, tungsten 0.1%, graphite 0.2%, titanium 1%, manganese 0.1%, diamond 0.1%, lanthanum 0.2%, aluminium 0.5%, niobium 0.5%, silicon 0.1%, yttrium 0.1%, chromium 0.1%, copper 96.4% mixes in high energy mixing drum machine, and the mixed time of rolling is 2 hours.Reenter in the model and suppress with 350 tons of oil presses, put into again 850 ℃ of sintering of high-temperature vacuum furnace and cool off after 1 hour.Become required specification by annealing steel rolling, become the contact shape with stamping machine, make electrical contact based on powdered copper.
The electrical contact based on powdered copper performance of making is as follows:
Density 8.3g/cm
Resistivity 2.4G Ω cm
Hardness 40～60 (Hv)
Embodiment 3:
Take by weighing by weight percentage raw material: nickel 6%, boron 4%, tungsten 7%, carbon 8%, titanium 7%, manganese 6%, Tungsten oxide 99.999 8%, lanthanum 7%, aluminium 7%, niobium 6%, silicon 5%, yttrium 6%, cadmium 6%, copper 27% mixes in high energy mixing drum machine, and the mixed time of rolling is 2 hours.Reenter in the model and suppress with 350 tons of oil presses, put into again 850 ℃ of sintering of high-temperature vacuum furnace and cool off after 1 hour.Become required specification by annealing steel rolling, become the contact shape with stamping machine, make electrical contact based on powdered copper.
The electrical contact based on powdered copper performance of making is as follows:
Density 8.3g/cm
Resistivity 2.4G Ω cm
Hardness 40～60 (Hv)
Claims (1)
1. the manufacturing process of an electrical contact based on powdered copper is characterized in that, may further comprise the steps:
(1) takes by weighing raw material mixed rolling 2 hours in high energy mixing drum machine;
Its Raw composition in mass ratio is:
Nickel 0.3%, boron 0.15%, tungsten 0.1%, graphite 0.25%,
Titanium 2%, molybdenum 0.15%, diamond 0.2%, lanthanum 0.3%,
Aluminium 0.5%, niobium 0.5%, silicon 0.15%, yttrium 0.1%,
Chromium 0.13%, cerium 0.2%, surplus is copper powder;
(2) enter in the model to be pressed into to justify with 350 tons of oil presses and decide shape, put into again 850 ℃ of sintering of high-temperature vacuum furnace and cool off after 1 hour;
(3) be rolled into required specification by annealing, be pressed into the contact shape with stamping machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110077217 CN102162045B (en) | 2011-03-29 | 2011-03-29 | Electrical contact based on powdered copper and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110077217 CN102162045B (en) | 2011-03-29 | 2011-03-29 | Electrical contact based on powdered copper and manufacturing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102162045A CN102162045A (en) | 2011-08-24 |
| CN102162045B true CN102162045B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110077217 Expired - Fee Related CN102162045B (en) | 2011-03-29 | 2011-03-29 | Electrical contact based on powdered copper and manufacturing process thereof |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306558A (en) * | 2011-08-25 | 2012-01-04 | 哈尔滨东大高新材料股份有限公司 | Copper alloy electric contact material for low-voltage electrical device and preparation method of copper alloy electric contact material |
| FR2997222B1 (en) * | 2012-10-19 | 2015-01-16 | Alstom Technology Ltd | DEVICE FOR ESTABLISHING AND / OR CUTTING CURRENT WITH PERMANENT CONTACTS WITH REDUCED WEAR |
| CN102912208B (en) * | 2012-11-08 | 2014-06-04 | 哈尔滨工业大学 | Preparation method for nano oxide modified copper-based electric contact material |
| CN103352136B (en) * | 2013-07-07 | 2015-07-29 | 温州银泰合金材料有限公司 | Copper-base contact material and manufacture craft |
| CN105063413A (en) * | 2015-07-29 | 2015-11-18 | 温州银泰合金材料有限公司 | Copper-based electric contact material and manufacturing technology thereof |
| CN105428148B (en) * | 2015-11-23 | 2019-03-29 | 芜湖楚江合金铜材有限公司 | The high-power compound electric connector of one kind and its processing technology |
| CN105603247B (en) * | 2016-02-26 | 2018-03-02 | 济南大学 | A kind of graphene enhancing copper rare earth base electric contact material and preparation method thereof |
| CN106384687B (en) * | 2016-09-19 | 2019-01-08 | 扬州锐声电子科技有限公司 | A kind of electronic equipment key |
| CN106504917B (en) * | 2016-11-17 | 2018-09-14 | 珠海百仕富电子有限公司 | A kind of high security electronic switch |
| CN110205514A (en) * | 2019-06-21 | 2019-09-06 | 重庆三峡学院 | A kind of powder metallurgy high-strength copper-aluminum nickel material and preparation method thereof |
| CN110923499B (en) * | 2019-12-27 | 2021-02-05 | 宁波博威合金材料股份有限公司 | Ce and B-containing titanium bronze alloy strip and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186870A (en) * | 1996-12-31 | 1998-07-08 | 王千 | Copper alloy contact material for low voltage electric equipment |
| CN1482638A (en) * | 2003-07-29 | 2004-03-17 | 哈尔滨工业大学 | Preparation method of copper-based powder electrical contact |
| CN1644727A (en) * | 2005-02-06 | 2005-07-27 | 陈晓 | Copper-tungsten-carbon-titanium-rare earth alloy material and production thereof |
| CN1856588A (en) * | 2003-09-19 | 2006-11-01 | 住友金属工业株式会社 | Copper alloy and its manufacturing method |
-
2011
- 2011-03-29 CN CN 201110077217 patent/CN102162045B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186870A (en) * | 1996-12-31 | 1998-07-08 | 王千 | Copper alloy contact material for low voltage electric equipment |
| CN1482638A (en) * | 2003-07-29 | 2004-03-17 | 哈尔滨工业大学 | Preparation method of copper-based powder electrical contact |
| CN1856588A (en) * | 2003-09-19 | 2006-11-01 | 住友金属工业株式会社 | Copper alloy and its manufacturing method |
| CN1644727A (en) * | 2005-02-06 | 2005-07-27 | 陈晓 | Copper-tungsten-carbon-titanium-rare earth alloy material and production thereof |
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| CN102162045A (en) | 2011-08-24 |
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