JPS5967347A - Electrical contact material - Google Patents
Electrical contact materialInfo
- Publication number
- JPS5967347A JPS5967347A JP57177848A JP17784882A JPS5967347A JP S5967347 A JPS5967347 A JP S5967347A JP 57177848 A JP57177848 A JP 57177848A JP 17784882 A JP17784882 A JP 17784882A JP S5967347 A JPS5967347 A JP S5967347A
- Authority
- JP
- Japan
- Prior art keywords
- electrical contact
- resistance
- oxide
- contact material
- balance
- 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
Landscapes
- Manufacture Of Switches (AREA)
- Contacts (AREA)
- Conductive Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〈発明の分野〉
この発明tよ、焼結法によって製造されるAg −Ni
。[Detailed Description of the Invention] <Field of the Invention> According to the present invention, Ag-Ni manufactured by a sintering method
.
−酸化物系の電気接点材料に関するものである。- Concerning oxide-based electrical contact materials.
〈従来技術とその問題点〉
従来、中負荷領域において広(Ag −C(10系の電
気接点材料が使用されておシ、すぐれた接点性能を示し
ている。しかし、その製造工程および使用中に公害を発
生するおそれがある。このようなことから、C(1を含
有しない接点材料の1つとして、Ag −Ni系の電気
接点材料が使用されている。しかし、従来のAg−Ni
系の電気接点材料は、 q −cσ0糸のものに比べて
耐溶i1り性に劣るという問題点がある。<Prior art and its problems> Conventionally, wide (Ag-C (10) series electrical contact materials have been used in the medium load range and have shown excellent contact performance. Therefore, Ag-Ni based electrical contact materials are used as one of the contact materials that do not contain C(1).However, the conventional Ag-Ni
The electrical contact material of this type has a problem in that it has inferior melting resistance compared to that of q-cσ0 yarn.
〈発明の目的〉
この発明は上記問題点を改善するためになされたもので
、従来のAI’: −1tL系の電気接点材料を改良す
ることによつC,C<1を含有しないにもかかわらず、
Ag −Ccl、0系のものに対して同等かそれ以上の
耐溶着性および耐消耗性を有し、しかも、高価なAgの
使用1代が低減される電気接点材料を提供することを目
r自とする。<Purpose of the Invention> This invention was made to improve the above-mentioned problems, and by improving the conventional AI': -1tL type electrical contact material, a material that does not contain C, C<1. regardless of,
The purpose of the present invention is to provide an electrical contact material that has welding resistance and abrasion resistance equivalent to or better than those of the Ag-Ccl, 0 series, and that reduces the use of expensive Ag. to be myself.
〈発明の溝成と効果〉
上記目的を達成するために、この発明の電気接点材料は
、 Al; 、 Ni、 、 cul’i?!化物およ
びCを焼結してなり 、NILを2〜2g wt、%、
Cu酸化物をCuとして1〜10wtチ、Cを0.1〜
1.Qwt係含み、残部をAgとしたものである。<Structure and Effects of the Invention> In order to achieve the above object, the electrical contact material of the present invention comprises Al; , Ni, cul'i? ! 2 to 2 g wt,% of NIL,
Cu oxide is Cu, 1-10wt, C is 0.1-10wt.
1. It includes Qwt and the rest is Ag.
上記各元素の添加目的はつぎのとおりである。The purpose of adding each of the above elements is as follows.
Ni:耐消耗性を改善するため添加した。N:lZwt
係以下係上下加目的が達成されず、20wt%以上では
m触抵抗が増大する。Ni: Added to improve wear resistance. N:lZwt
The purpose of raising and lowering the ratio is not achieved, and if it exceeds 20 wt%, the contact resistance increases.
Cu酸化物:接触抵抗とN1の分散性を改善するため添
加した。1wt’1以下では添加L1的が達成されずN
10wt% 以上では接触抵抗が増大する。Cu oxide: Added to improve contact resistance and N1 dispersibility. If it is less than 1wt'1, the addition L1 target will not be achieved and N
If the content exceeds 10 wt%, contact resistance increases.
C:耐溶着性を改善し、接触抵抗と温度上昇を低くおさ
えるために添加した。これらは、Cが酸化物を還元させ
る作用を有することによる。1wt%以下では添加目的
が達成されず、1.□wt%以上では添加の効果が飽和
する。C: Added to improve welding resistance and keep contact resistance and temperature rise low. These are due to the fact that C has the effect of reducing oxides. If it is less than 1 wt%, the purpose of addition will not be achieved; 1. □At wt% or more, the effect of addition is saturated.
この発明の電気接点材料は、 Ag −06,O系の電
気接点材料に比べて、耐消耗性において優れ、耐溶着性
において同等の特性を有する。しかも、高価なAgの使
用量が低減されるので安価であり、Ag−CaO系の電
気接点材料の代替品としての使用が可能である。The electrical contact material of the present invention is superior in wear resistance and has similar properties in welding resistance as compared to Ag-06,O-based electrical contact materials. Moreover, since the amount of expensive Ag used is reduced, it is inexpensive and can be used as a substitute for Ag-CaO-based electrical contact materials.
〈実施例の説明〉
Ag70wt% 、 N:119.7wt%、Cu酸化
物(Cuとしc1゜wt%)およびco、3wt%をボ
ールミμで混合した。<Explanation of Examples> 70 wt% Ag, 119.7 wt% N, Cu oxide (1° wt% as Cu), and 3 wt% Co were mixed in a ball mill μ.
この粉ぷを4 ftm / dの圧力で2oφX31?
に成型し、得られた成型体を不活性ガス雰囲気中で70
0〜800°C11〜2 H加熱焼結した。この後、こ
の焼結体を700〜800°Cに加熱し、押し出し機を
用いて6φのトド状物に成型し、さらに、伸線機によυ
3φのワイヤを製住したうこのワイヤーから3φ×61
の小片を切シ出(7て供試品とした。なお、顕微鏡写真
での省見察の結果、この供試品は、Ag素地中にNi
、 Cu酸化物お、(びCが均一に分散したものであっ
た。This powder is 2oφX31? at a pressure of 4 ftm/d.
The obtained molded body was heated to 70°C in an inert gas atmosphere.
It was heated and sintered at 0 to 800°C for 11 to 2 hours. After that, this sintered body is heated to 700 to 800°C, molded into a 6φ toad-shaped object using an extruder, and then υ
3φ x 61 from Uko wire made from 3φ wire
A small piece was cut out (7) and used as a sample.As a result of microscopic observation, it was found that this sample contained Ni in the Ag base material.
, Cu oxide, (and C) were uniformly dispersed.
この供試品について、王妃条件で修蝕抵抗、消耗風およ
び溶着特性を測定した。その結果を次表に示す。また、
次表には、比較例として同一条件で測定した比較量1
(AIE88−Cd012)および比較量2 (A(
<7O−Ni15−Cu15)の特性も同時に示した。For this sample, the repair resistance, abrasive wind, and welding characteristics were measured under queen condition. The results are shown in the table below. Also,
The following table shows the comparative amount 1 measured under the same conditions as a comparative example.
(AIE88-Cd012) and comparative amount 2 (A(
<7O-Ni15-Cu15) characteristics were also shown at the same time.
試験条件
電 圧 AC110v
電 流 10A
負 荷 抵抗負荷
接触力 15g
開閉頻度 20回/分
開閉回数 100.000回
−リーンプルシダ々 各3対
表
上表よシ、供試品は比較量1と比べて、耐消耗性に優れ
、耐溶着性については同等の特性を有し、また、比較量
2と比べると接触抵抗、耐消耗性および耐溶in性に優
れていることがわかる。Test conditions Voltage: AC 110v Current: 10A Load: Resistive load Contact force: 15g Opening/closing frequency: 20 times/min Number of opening/closing: 100,000 times - Lean pull ferns 3 pairs each It can be seen that it has excellent abrasion resistance, has the same properties in terms of welding resistance, and is superior in contact resistance, abrasion resistance, and weld-in resistance when compared with Comparative Amount 2.
Claims (1)
を焼結してなる7ft気接点材料であって、Niを2〜
20wt%、 Cu酸化物をCuとして1〜10wt%
、Cをo、t 〜1.0 wt; %含み、残部がAg
であることを特徴とする電気接点材料。(1) AB; , Ni, Cu oxide and C
7ft air contact material made by sintering Ni
20wt%, 1-10wt% Cu oxide as Cu
, contains o,t~1.0 wt;% of C, and the remainder is Ag.
An electrical contact material characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57177848A JPS5967347A (en) | 1982-10-08 | 1982-10-08 | Electrical contact material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57177848A JPS5967347A (en) | 1982-10-08 | 1982-10-08 | Electrical contact material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5967347A true JPS5967347A (en) | 1984-04-17 |
Family
ID=16038158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57177848A Pending JPS5967347A (en) | 1982-10-08 | 1982-10-08 | Electrical contact material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5967347A (en) |
-
1982
- 1982-10-08 JP JP57177848A patent/JPS5967347A/en active Pending
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