EP2906733A1 - Werkstoff für elektrische kontaktbauteile - Google Patents
Werkstoff für elektrische kontaktbauteileInfo
- Publication number
- EP2906733A1 EP2906733A1 EP12780079.5A EP12780079A EP2906733A1 EP 2906733 A1 EP2906733 A1 EP 2906733A1 EP 12780079 A EP12780079 A EP 12780079A EP 2906733 A1 EP2906733 A1 EP 2906733A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nickel
- silicon
- cobalt
- group
- tin
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
Definitions
- the invention relates to a material for a metal band for the production of electricalnapsbauteiten according to the Merkmaien in the preamble of claim 1 and the use of such a material for an electrically conductive Metailband for the production of electrical contact components according to the features of claim 8.
- Contact components find a variety of applications in the field of electrical engineering and electronics. As mechanically interconnectable and separable fasteners whose main task is to produce an electrically conductive contact, in addition to the closing of circuits as well as direct couplings with electronic components can be realized.
- the respective design is based both on country-specific standards and on the requirements to be met in the area of application, In particular, in the form of hand-releasable electrical plug contacts thus increased demands are placed on their mechanical strength.
- High-quality plug contacts have a stable contact resistance, in which the preservation of the low contact resistance is in the foreground.
- a change in the contact resistance is usually due to the electrical breakdown of corrosion or foreign layers.
- Kontakfbaumaschine these often have a tin or chrome coating up to a silver or gold coating.
- JP 20G8 / 2 ⁇ S488 A a copper alloy for plug contacts is known, which has a zinc content (Zn) in wt .-% of 23% to 28%. Other constituents are represented by at least 0.01%, with silicon (Si) reaching a maximum of 3% while nickel (Ni) accounts for up to 5%.
- JP 2009/013499 A also discloses a copper material for plug contacts with a proportion of zinc (Zn) in wt .-% of 20% to 41%. The proportion of nickel (Ni) ranges from 0.1% to 5.0%, the Zinnanteii (Sn) is from 0.5% to 5.0%.
- DE 103 08 779 B3 shows a lead-free copper alloy and their use. Their constituents in wt .-% are for copper (Cu) at least 80% to a maximum of 70% and thus quite high. On the other hand, a content of nickel (Ni) of 0.01% to 0.5% is proposed, while the content of tin (Sn) is from 0.5% to 3.5%. A possible proportion of silicon (Si) may range from 0.01% to 0.5%.
- the high proportion of copper entails rather high purchase prices for the base material.
- the shares of the other alloying partners in terms of improved material properties still offer room for improvement.
- the present invention is therefore based on the object to improve a material for a metal strip for the production of electrical contact components in such a way that it meets the necessary properties for use for an electrically conductive material for the production of electrical contact components despite cost-effective shares of its individual alloying partners.
- a material for a metal strip for the production of electrical contact components, in particular of plug contacts proposed, consisting of a curable alloy with proportions in wt .-% of
- Zinc (Zn) from 19.0% to 40.0%
- Tin (Sn) from 0.1% to 1, 5%
- Nickel (Ni) from 0.6% to 3.0% and Silicon (Si) from 0.1% to 0.9% ..
- the material may optionally comprise at least one element from the following group:
- the remainder of the material is formed from copper (Cu) and impurities caused by melting. Furthermore, the proportion of Ni (Ni) may be at least partially replaced by cobalt (Co). Thus, nickel (Ni) may also be 100% and thus completely replaced by cobalt (Co). The ratio of the proportions of nickel (Ni) and / or cobalt (Co) to the element silicon (Si) ranges from 3.5: 1 to 7.5: 1.
- the etallband for the production of electrical contact components consists of the hardening alloy CuZn30Sn1 i1SiO ; Second
- the particular advantage lies not only in the high content of zinc (Zn) and the associated favorable production price in the increased strength of the material. Compared with copper, the increased strength is due to the formation of crystals of ivicite. The solidification achieved in this way is one of the possible strength-increasing processes in order to obtain a hard material from an otherwise relatively soft metal.
- the precipitation hardening with nickel (Ni) - SiHziden can achieve a significantly higher strength with good elongation and thus increased bendability. This is especially true in comparison with pure mixed-crystal-strengthened and cold-strengthened special brasses, such as, for example, CuZn25Sn1. This is also possible in high strength conditions such as B. at R780 (R m 780 IvlPa) still achieve an elongation at break ⁇ 5 o of> 3% (DIN 50125). The relaxation resistance is significantly better than that of CuSn4 and CuZn25Snl
- Zinc (Zn) from 25.0% to 33.0%
- Tin (Sn) from 0.5% to 1, 2% as well
- Nickel from 0.8% to 2.5%
- Zinc (Zn) from 27.0% to 31.0%
- Tin (Sn) from 0.5% to 1.2% as well
- Nickel from 0.8% to 2.0% and
- Silicon (Si) from 0, 1% to 0.6%.
- Ni nickel
- Co Co
- a ratio of nickel (Ni) and / or cobalt (Co) to silicon (Si) should be maintained from 3.5: 1 to 7.5: 1. Preferably, this ratio may be from 4.0: 1 to 5.0: 1.
- Phosphorus (P) from 0.001% to 0.05%
- Boron (B) from 0.02% to 0.5%
- Silver (Ag) from 0.02% to 0.5%
- Chromium (Cr) from 0.01% to 0.7%
- Magnesium (Mg) from 0.01% to 0.4%
- Iron (Fe) from 0.01% to 0.8% as well
- Arsenic (As) from 0.001% to 0.1%.
- the elements contained in the group may optionally be present in the present material.
- phosphorus (P) and / or boron (B) can be added in the stated amount, serving as a deoxidizer. Their presence causes the free oxygen (O) dissolved in the melt to become bound. In this way, the hydrogen disease is counteracted by preventing the formation of gas bubbles as well as oxidations of alloying constituents.
- phosphorus (P) serves to improve the fi lling properties of the present copper alloy during casting.
- manganese (Mn) When manganese (Mn) is added, its solidifying property on the copper alloy is primarily used. At the same time, manganese (n) also serves as a deoxidizer.
- the addition of aluminum (AI) increases the hardness of the material and its yield strength. The said positive increases go thereby without reducing the toughness of the material. Overall, the addition of aluminum (AI) serves to improve the strength, machinability, and wear resistance and oxidation resistance of the alloy at high temperatures.
- chromium (Cr) and magnesium (Mg) serves to improve the oxidation resistance at high temperatures. This can be better Results are achieved by mixing chromium (Cr) and magnesium (Mg) with aluminum (Al),
- zirconium improves the hot workability of the material.
- the invention shows a use of the copper material for an electrically conductive metal strip.
- the metal strip is used for the production of electrical contact components, in particular of plug contacts.
- the metaflband used in this way can be tinned on the surface.
- the metal strip used may comprise a tin-silver layer (SnAg).
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Contacts (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL12780079T PL2906733T3 (pl) | 2012-10-10 | 2012-10-10 | Materiał na elektryczne elementy stykowe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/DE2012/100316 WO2014056466A1 (de) | 2012-10-10 | 2012-10-10 | Werkstoff für elektrische kontaktbauteile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2906733A1 true EP2906733A1 (de) | 2015-08-19 |
| EP2906733B1 EP2906733B1 (de) | 2016-08-24 |
Family
ID=47115095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12780079.5A Active EP2906733B1 (de) | 2012-10-10 | 2012-10-10 | Werkstoff für elektrische kontaktbauteile |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP2906733B1 (de) |
| JP (1) | JP6147351B2 (de) |
| CN (1) | CN104704134A (de) |
| DK (1) | DK2906733T3 (de) |
| ES (1) | ES2593624T3 (de) |
| HK (1) | HK1205768A1 (de) |
| MX (1) | MX351542B (de) |
| PL (1) | PL2906733T3 (de) |
| WO (1) | WO2014056466A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222482A (zh) * | 2016-08-29 | 2016-12-14 | 芜湖楚江合金铜材有限公司 | 一种抗拉性能良好的高强度铜线及其制备方法 |
| US11293084B2 (en) * | 2016-10-28 | 2022-04-05 | Dowa Metaltech Co., Ltd. | Sheet matertal of copper alloy and method for producing same |
| DE102018100440A1 (de) * | 2018-01-10 | 2019-07-11 | Phoenix Contact Gmbh & Co. Kg | Verfahren zum Herstellen eines kaltverformbaren Crimpkontakts, Verfahren zum Herstellen einer elektromechanischen Crimpverbindung und Crimpkontakt |
| JP6713074B1 (ja) * | 2019-04-16 | 2020-06-24 | Dowaメタルテック株式会社 | 銅合金板材およびその製造方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853059B2 (ja) * | 1979-12-25 | 1983-11-26 | 日本鉱業株式会社 | 析出硬化型銅合金 |
| JP3413864B2 (ja) * | 1993-02-05 | 2003-06-09 | 三菱伸銅株式会社 | Cu合金製電気電子機器用コネクタ |
| JP4441669B2 (ja) * | 2000-09-13 | 2010-03-31 | Dowaメタルテック株式会社 | 耐応力腐食割れ性に優れたコネクタ用銅合金の製造法 |
| DE10139953A1 (de) * | 2001-08-21 | 2003-03-27 | Stolberger Metallwerke Gmbh | Werkstoff für ein Metallband |
| CN1177946C (zh) * | 2001-09-07 | 2004-12-01 | 同和矿业株式会社 | 连接器用铜合金及其制造方法 |
| DE10308779B8 (de) | 2003-02-28 | 2012-07-05 | Wieland-Werke Ag | Bleifreie Kupferlegierung und deren Verwendung |
| JP4068626B2 (ja) * | 2005-03-31 | 2008-03-26 | 日鉱金属株式会社 | 電子材料用Cu−Ni−Si−Co−Cr系銅合金及びその製造方法 |
| JP2007314859A (ja) * | 2006-05-29 | 2007-12-06 | Nikko Kinzoku Kk | Snめっきの耐熱剥離性に優れるCu−Zn系合金条及びそのSnめっき条 |
| JP5191725B2 (ja) * | 2007-08-13 | 2013-05-08 | Dowaメタルテック株式会社 | Cu−Zn−Sn系銅合金板材およびその製造法並びにコネクタ |
| JP5036623B2 (ja) | 2008-05-15 | 2012-09-26 | Dowaメタルテック株式会社 | コネクタ用銅合金およびその製造法 |
| JP5150908B2 (ja) | 2008-07-07 | 2013-02-27 | Dowaメタルテック株式会社 | コネクタ用銅合金とその製造法 |
| KR101419147B1 (ko) * | 2009-12-02 | 2014-07-11 | 후루카와 덴키 고교 가부시키가이샤 | 구리합금 판재 및 그 제조방법 |
| MX2013004777A (es) * | 2010-10-29 | 2014-02-11 | Sloan Valve Co | Lingote bajo en plomo. |
-
2012
- 2012-10-10 EP EP12780079.5A patent/EP2906733B1/de active Active
- 2012-10-10 MX MX2015004305A patent/MX351542B/es active IP Right Grant
- 2012-10-10 JP JP2015535984A patent/JP6147351B2/ja active Active
- 2012-10-10 WO PCT/DE2012/100316 patent/WO2014056466A1/de not_active Ceased
- 2012-10-10 DK DK12780079.5T patent/DK2906733T3/en active
- 2012-10-10 CN CN201280076336.5A patent/CN104704134A/zh active Pending
- 2012-10-10 ES ES12780079.5T patent/ES2593624T3/es active Active
- 2012-10-10 HK HK15106295.2A patent/HK1205768A1/xx unknown
- 2012-10-10 PL PL12780079T patent/PL2906733T3/pl unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014056466A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2906733T3 (pl) | 2017-11-30 |
| CN104704134A (zh) | 2015-06-10 |
| ES2593624T3 (es) | 2016-12-12 |
| HK1205768A1 (en) | 2015-12-24 |
| DK2906733T3 (en) | 2016-09-26 |
| JP6147351B2 (ja) | 2017-06-14 |
| WO2014056466A1 (de) | 2014-04-17 |
| EP2906733B1 (de) | 2016-08-24 |
| MX351542B (es) | 2017-10-19 |
| JP2015537117A (ja) | 2015-12-24 |
| MX2015004305A (es) | 2015-11-13 |
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