JPS5916219A - Electric contact material - Google Patents
Electric contact materialInfo
- Publication number
- JPS5916219A JPS5916219A JP57124752A JP12475282A JPS5916219A JP S5916219 A JPS5916219 A JP S5916219A JP 57124752 A JP57124752 A JP 57124752A JP 12475282 A JP12475282 A JP 12475282A JP S5916219 A JPS5916219 A JP S5916219A
- Authority
- JP
- Japan
- Prior art keywords
- contact material
- resistance
- alloy
- silver
- electrical contact
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- JGGFFJRIZIBQPO-UHFFFAOYSA-N [Cu]=O.[O-2].[Zn+2].[Ag+] Chemical compound [Cu]=O.[O-2].[Zn+2].[Ag+] JGGFFJRIZIBQPO-UHFFFAOYSA-N 0.000 description 1
- ASMQPJTXPYCZBL-UHFFFAOYSA-N [O-2].[Cd+2].[Ag+] Chemical compound [O-2].[Cd+2].[Ag+] ASMQPJTXPYCZBL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- OFKLXPIYUOJPPI-UHFFFAOYSA-N nickel;oxosilver Chemical compound [Ni].[Ag]=O OFKLXPIYUOJPPI-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Contacts (AREA)
- Manufacture Of Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈発明の分野〉
この発明は内部酸化法および焼結法を経て製造される銀
−ニッケルー酸化物系の電気接点材料に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a silver-nickel oxide electrical contact material manufactured through an internal oxidation method and a sintering method.
〈従来技術とその問題点〉
従来、中電流から大電流にいたる電流領域が使用対象と
なる電気接点材料として銀−酸化カドミウム系（Ａｇ−
ｃａｏ系）のものがあった。これを材料とする電気接点
は、耐接触抵抗性、耐溶′Ｊｒｔ性、耐アーク性などに
比較的優れている反面、その製造工程や使用中において
公害を発生する要因を備えている。<Prior art and its problems> Conventionally, silver-cadmium oxide based (Ag-
cao series). Electrical contacts made of this material have relatively excellent contact resistance, melt resistance, arc resistance, etc., but on the other hand, they have the potential to cause pollution during the manufacturing process and during use.
そのため、公害の発生要因となるカドミウムを含まない
ものとして、−銀−タングステン系、 ｍ、−ニッケル
系あるいは銀−グラファイト系の電気接点材料が提案さ
れ、使用されているが、これらを材料とする電気接点は
、耐接触抵抗性、耐溶着性などの点で上記Ａｇ −Ｃａ
Ｏ系のものに劣υ、その使用範囲や使用条件が限定され
るため、その改善が望まれていた。Therefore, -silver-tungsten-based, -nickel-based, or silver-graphite-based electrical contact materials have been proposed and used as materials that do not contain cadmium, which causes pollution. The electrical contact is made of the above Ag-Ca in terms of contact resistance and welding resistance.
Since they are inferior to O-based materials and their range of use and conditions of use are limited, improvements have been desired.
〈発明の目的〉
この発明は、公害の発生要因となるカドミウムを使用せ
ず、しかも、耐接触抵抗性、耐溶着性および耐消耗性に
優れる電気接点材料を提供することを目的としている。<Objective of the Invention> The object of the present invention is to provide an electrical contact material that does not use cadmium, which causes pollution, and has excellent contact resistance, welding resistance, and wear resistance.
〈発明の構成および効果〉
上記目的を達成するために、この発明による電気接点材
料は、銅、亜鉛および銀よシなる合金を内部酸化し、そ
の粉末にニッケルを添加して焼結し、その場合に、内部
酸化前の合金の成分組成を、銅１〜１０ ｗｔ％、亜鉛
１〜６ ｗｔチ、残部銀とし、ニッケルの組成を内部酸
化された合金粉末に対して２〜２０ ｗｔ％とじたもの
である。各成分組成が上記のように限定されるのは、以
下の理由による。<Structure and Effects of the Invention> In order to achieve the above object, an electrical contact material according to the present invention is produced by internally oxidizing an alloy of copper, zinc, and silver, adding nickel to the powder, and sintering the powder. In this case, the composition of the alloy before internal oxidation is 1 to 10 wt% copper, 1 to 6 wt% zinc, and the balance is silver, and the composition of nickel is 2 to 20 wt% with respect to the internally oxidized alloy powder. It is something that The reason why each component composition is limited as described above is as follows.
Ｃｕ２１ｗｔ％以下では耐消耗性に乏しく、添加効果が
生じず、１０ ｗｔ％以上では内部酸化が困難になる。If Cu is less than 21 wt%, wear resistance is poor and the addition effect is not produced, and if Cu is more than 10 wt%, internal oxidation becomes difficult.
Ｚｎ１１ｗｔ％以下では添加効果がなく、６ ｗｔ％以
上では内部酸化が困難になると同様に、作との相開効果
によって加工性が低下し、実使用に適さなくなる。If the Zn content is less than 11 wt%, there is no addition effect, and if the Zn content is more than 6 wt%, internal oxidation becomes difficult, as well as the processability decreases due to the phase opening effect with Zn, making it unsuitable for practical use.
Ｎｉ８耐溶着性および耐消耗性を改善するために添加さ
れ、２ ｗｔ％以下では添加効果がな（１ｍＷｔチ以上
では接触抵抗が高くなる。It is added to improve Ni8 welding resistance and abrasion resistance, and if it is less than 2 wt %, it has no effect (if it is more than 1 mWt, the contact resistance becomes high).
この発明の電気接点材料は、上記のように、上記組成範
囲の銅、亜鉛および銀を溶解して合金とし、この合金を
内部酸化した後、その粉末に上記組成範囲のニッケルを
添加し、これを焼結するととによって得られるものであ
シ、従来のようにカドミウムを使用しないため公害発生
の心配がなく、しかも、耐溶着性を改善するための金属
ニッケル元素が添加された焼結体からなるので、上記合
金を単に内部酸化して得られる銀−酸化銅一酸化亜鉛系
の電気接点材料に比べても耐溶着性に優れ、上記したＡ
ｇ−ＣａＯ系のものと同等以上の性能が確保される。As described above, the electrical contact material of the present invention is obtained by melting copper, zinc, and silver having the above composition range to form an alloy, internally oxidizing this alloy, and adding nickel having the above composition range to the powder. It is obtained by sintering and does not use cadmium as in the past, so there is no need to worry about pollution, and it is made from a sintered body to which the metallic nickel element is added to improve welding resistance. Therefore, it has excellent welding resistance compared to the silver-copper oxide zinc monoxide electrical contact material obtained by simply internally oxidizing the above alloy, and has excellent adhesion resistance.
Performance equal to or higher than that of g-CaO-based products is ensured.
〈実施例の説明〉
銀に、銅５ Ｗ’ｔ、％および亜鉛４ ｗｔ％を溶解し
て合金化し、得られた合金をスタンプミルなどの粉砕機
を使用して０．０５〜０．１ｍｍのチップに粉砕した。<Description of Examples> Silver is alloyed with 5 wt% copper and 4 wt% zinc, and the resulting alloy is milled to 0.05 to 0.1 mm using a crusher such as a stamp mill. crushed into chips.
つぎに、この粉砕品を７００″０，５気圧の酸素ＷＢ気
気中おいて３０時間内部酸化し、これを粉末としたもの
に金属ニッケル粉末（１０−５０μメツシユ）７ｗｔ％
を添加して、ボールミルを使用して２４時間混合した後
、加圧成形した。つぎに、不活性ガス算囲気中において
、７００°Ｃ２時間の加熱焼結とサイジングとを交互に
繰シ返した。Next, this pulverized product was internally oxidized for 30 hours at 700 mm in an oxygen WB atmosphere of 0.5 atm, and this was powdered with 7 wt% of metallic nickel powder (10-50μ mesh).
was added and mixed for 24 hours using a ball mill, followed by pressure molding. Next, heating sintering at 700° C. for 2 hours and sizing were alternately repeated in an inert gas atmosphere.
との後、得られた焼結体を８００″Ｃに加熱しながら押
出し機を使用して６φの柱状物に成形し、さらに、伸線
機を使用して３φのワイヤとした。つぎに、とのワイヤ
から３φｘ６１のものを切出して供試品を得た。After that, the obtained sintered body was heated to 800''C and formed into a 6φ column using an extruder, and then made into a 3φ wire using a wire drawing machine.Next, A 3φ x 61 piece was cut out from the wire to obtain a sample.
との供試品につき、下記に示す条件において接触抵抗、
消耗量および溶着回数を１１１１１１定した。その結果
を次表に示す。なお、表中には、比較例として同一条件
で測定した比較量１ （Ａｇ８Ｂ−ＣｄＯ１２）および
比較量２ （Ａｇ９１−錐６−Ｚｎ４の内部酸化品）の
緒特性を同時に掲げた。Contact resistance,
The amount of consumption and number of welding were determined to be 111,111. The results are shown in the table below. In addition, in the table, the initial characteristics of Comparative Amount 1 (Ag8B-CdO12) and Comparative Amount 2 (Ag91-Ag6-Zn4 internal oxidation product) measured under the same conditions as a comparative example are listed at the same time.
試験条件
電 圧 ＡＯ２２０Ｖ
電 流 ５Ａ
負 荷 抵抗負荷
接触力 １５ ｇ
開閉頻度 ３０回／分
開閉回数 ５００．０００回
以下余白
０溶着回数は溶着力が５Ｂ以
上となったと巻の回数
上表よυ、供試品はＡｇ８８− Ｃ（１０１２よ多接触
抵抗がわずかに高くなるが、この程度の差は実用上あま
シ問題とならない。一方、耐消耗性および耐溶着性にお
いては比較量ｌおよび比較量２よシもきわめて優れてお
シ、このため、Ａｇ −ＣｄＯ系接点接点材料って代る
ことのできるものであるといえる。Test conditions Voltage AO220V Current 5A Load Resistance load Contact force 15 g Opening/closing frequency 30 times/min Opening/closing frequency 500,000 times or less Margin 0 The number of welding is when the welding force is 5B or more, according to the above table υ, The sample is Ag88-C (although the multi-contact resistance is slightly higher than 1012, this difference does not pose a problem in practice.On the other hand, in terms of abrasion resistance and welding resistance, comparative quantity l and comparative quantity 2 and 2 are also extremely excellent, and therefore it can be said that it can be replaced by the Ag-CdO contact material.
Claims (1)
金とし、この合金を内部酸化した後、その粉末にニッケ
ルを添加し、これを焼結してなる電気接点材料であって
、上記合金の成分組成が、銅１〜１０ Ｗシチ、亜鉛１
〜６ ｗｔ％、残部銀よシなシ、ニッケルの組成が内部
酸化された合金粉末に対して２〜２０Ｗｔチであること
を特徴とする電気接点材料。(1) An electrical contact material obtained by melting metal materials such as copper, zinc, and silver to form an alloy, internally oxidizing this alloy, adding nickel to the powder, and sintering this, The composition of the above alloy is 1 to 10 W copper, 1 zinc
An electrical contact material characterized in that the composition of nickel is 2 to 20 Wt with respect to the internally oxidized alloy powder, with the balance being silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57124752A JPS5916219A (en) | 1982-07-16 | 1982-07-16 | Electric contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57124752A JPS5916219A (en) | 1982-07-16 | 1982-07-16 | Electric contact material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5916219A true JPS5916219A (en) | 1984-01-27 |
Family
ID=14893235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57124752A Pending JPS5916219A (en) | 1982-07-16 | 1982-07-16 | Electric contact material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7876017B2 (en) * | 2005-05-12 | 2011-01-25 | Mabuchi Motor Co., Ltd. | Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same |
-
1982
- 1982-07-16 JP JP57124752A patent/JPS5916219A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7876017B2 (en) * | 2005-05-12 | 2011-01-25 | Mabuchi Motor Co., Ltd. | Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same |
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