JPS59215440A - Electrical contact material - Google Patents
Electrical contact materialInfo
- Publication number
- JPS59215440A JPS59215440A JP58087946A JP8794683A JPS59215440A JP S59215440 A JPS59215440 A JP S59215440A JP 58087946 A JP58087946 A JP 58087946A JP 8794683 A JP8794683 A JP 8794683A JP S59215440 A JPS59215440 A JP S59215440A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- electrical contact
- resistance
- contact material
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/023—Composite material having a noble metal as the basic material
- H01H1/0237—Composite material having a noble metal as the basic material and containing oxides
- H01H1/02372—Composite material having a noble metal as the basic material and containing oxides containing as major components one or more oxides of the following elements only: Cd, Sn, Zn, In, Bi, Sb or Te
- H01H1/02374—Composite material having a noble metal as the basic material and containing oxides containing as major components one or more oxides of the following elements only: Cd, Sn, Zn, In, Bi, Sb or Te containing as major component CdO
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacture Of Switches (AREA)
- Contacts (AREA)
- Conductive Materials (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、電気接点材料に係り、特にＡｇ−Ｃｄ Ｏよ
り成る電気接点材料の改良に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to electrical contact materials, and more particularly to improvements in electrical contact materials made of Ag--Cd 2 O.
Ａｇ−Ｃｄ０より成る電気接点材料は、継電器の接触力
、開離力の大きい場合、耐溶着性に優れ、接触抵抗が安
定している為、広く多用されている。Electrical contact materials made of Ag-Cd0 are widely used because they have excellent adhesion resistance and stable contact resistance when the contact force and separation force of relays are large.
昨今、継電器の小型化に伴い接触力、開離力の低下、接
点の小型化、接点キャップの狭小化に伴い耐溶着性に問
題が生じてきた。この為、耐溶着性に優れた電気接点材
が要望されている。Recently, as relays have become smaller, contact force and separation force have decreased, contacts have become smaller, and contact caps have become narrower, causing problems in welding resistance. For this reason, there is a demand for electrical contact materials with excellent welding resistance.
本発明は斯かる要望を満たすべく鋭意攻究の結果、Ａｇ
−Ｃｄ０より成る電気接点材料の安定した接触抵抗をそ
のまま具有し、耐溶着性が大幅に向上した電気接点材料
を見い出したものである。The present invention was developed as a result of intensive research to meet such demands.
An electrical contact material has been discovered that has the same stable contact resistance as the electrical contact material made of -Cd0 and has significantly improved welding resistance.
本発明の電気接点材料′−１の１つは、Ｃｄ１Ｏ〜２０
市量％、Ｓｂ０．５〜５重量％、ＣｕＯ，５〜５重量％
。One of the electrical contact materials'-1 of the present invention is Cd1O~20
Market weight%, Sb0.5-5% by weight, CuO, 5-5% by weight
.
Ｂｉｏ、１〜３重量％、残部Ａｇより成り、且つ内部酸
化されているものである。It consists of 1 to 3% by weight of Bio, the balance being Ag, and is internally oxidized.
本発明の電気接点材料の他の１つは、Ｃｄ１Ｏ〜２０重
量％、Ｓｂ０．５〜５重ｉ％、Ｃｕ Ｏ，５〜５重％
％、 Ｂ ｉ Ｏ，１〜３重量％、Ｆ”ｅ族元素０．
０１〜０．５重量％、残部Ａｇより成り、且つ内部酸化
されているものである。Another electrical contact material of the present invention is Cd1O to 20% by weight, Sb0.5 to 5% by weight, CuO, 5 to 5% by weight.
%, B i O, 1 to 3% by weight, F”e group element 0.
01 to 0.5% by weight, the balance being Ag, and is internally oxidized.
これら本発明の電気接点材料に於いて、その成分組成を
上記の如く限定した理由について説明すると、Ｃｄは周
知の如く優れノコ耐溶着性と安定した接触抵抗を保持す
るのに必要で、１０重量％未ｌ￥ｉでは良好な耐溶着性
が得られず、２０市足％を超えると耐消耗性を向上させ
る元素が添加されてぃても耐消耗性が劣下するので、１
０〜２０重量％か好適である。ｓｂはその酸化物が接点
開閉時に蒸発しゃずく耐溶着性の向上に必要で、０．５
重量％未満でばその効果がなく、５車量％を超えると耐
消耗性が劣化し、後述のＣｕの添加で抑えきれなくなる
ので、０．５〜５重量％が好適である。Ｃｕは内部酸化
時に析出する酸化物を微細化し、電気伝導度を上げ耐消
耗性を向上するのに必要で、０．５重量％未満でばＳｂ
、Ｂｉの添加による耐消耗性の劣化を抑えきれず、５重
量％を超えると耐溶着性が劣化するので、０．５〜５重
景％が好適である。The reason why the component composition of the electrical contact materials of the present invention is limited as described above is as follows.As is well known, Cd is necessary to maintain excellent saw welding resistance and stable contact resistance. If it exceeds 20%, the wear resistance deteriorates even if elements that improve wear resistance are added.
0 to 20% by weight is suitable. sb is necessary for improving the evaporation drop welding resistance when opening and closing the contacts, and the sb is 0.5
If it is less than 5% by weight, there is no effect, and if it exceeds 5% by weight, wear resistance deteriorates and cannot be suppressed by adding Cu, which will be described later. Therefore, 0.5 to 5% by weight is suitable. Cu is necessary to refine the oxides precipitated during internal oxidation, increase electrical conductivity and improve wear resistance, and if it is less than 0.5% by weight, Sb
, the deterioration of wear resistance due to the addition of Bi cannot be completely suppressed, and if it exceeds 5% by weight, the welding resistance deteriorates, so 0.5 to 5% by weight is suitable.
Ｉ３ ｉばその酸化物が接点開閉時に昇華しやすいため
接触力、開離力の小さい場合の耐７８：Ｍ性の向上に必
要で、０．１重量％未満ではその効果が無く、３重量％
を超えると合金の融点を極端に低下させ、高温での内部
酸化が不可能となるので、０．１〜３重量％が好適であ
る。Ｆ ｅ族元素は耐アーク性。I3i is necessary to improve the resistance to 78:M when the contact force and opening force are small because its oxide tends to sublimate when opening and closing the contact, and if it is less than 0.1% by weight, it has no effect, and 3% by weight
If it exceeds 0.1 to 3% by weight, the melting point of the alloy will be extremely lowered and internal oxidation at high temperatures will become impossible. Fe Group elements are arc resistant.
耐消耗性を向上させる為に添加するもので、０．０１重
量％未晶ではその効果が無く、０．５重量％を超えると
接触抵抗が高く不安定となるので、０．０１〜０．５重
量％が好適である。It is added to improve the abrasion resistance, and if it is 0.01% by weight uncrystallized, there is no effect, and if it exceeds 0.5% by weight, the contact resistance will be high and it will become unstable. 5% by weight is preferred.
次に本発明による電気接点材料と従来の電気接点材料に
て作った電気接点について説明する。Next, electrical contacts made using the electrical contact material according to the present invention and the conventional electrical contact material will be explained.
下記の表の左欄に示す成分組成の粉粒体を内部酸化した
後、圧縮、焼結、押出、引抜等の工程を経てｆ４だ実施
例１〜７の電気接点材料と従来例１゜２の電気接点材料
にて作った直径５鰭、厚さ１鰭の固定接点と直径４ＩＩ
Ｉ１１．厚さ １．１＋ａ＋ｎ、 ５Ｒの可動接点と
を対向させて、下記の試験条件にて接点開閉試験を行っ
た処、下記の表の右［１に示すような結果を得た。After internally oxidizing the powder having the composition shown in the left column of the table below, it was subjected to processes such as compression, sintering, extrusion, and drawing to obtain F4 electrical contact materials of Examples 1 to 7 and Conventional Example 1゜2. A fixed contact with a diameter of 5 fins and a thickness of 1 fin made of electrical contact material and a diameter of 4II.
I11. A contact opening/closing test was conducted under the following test conditions with a movable contact having a thickness of 1.1+a+n and 5R facing each other, and the results shown in [1] on the right side of the table below were obtained.
試験条件
電 圧 ： Ａ Ｃ１００Ｖ ５０ Ｉｔ
ｚ電 流 ： 投入４０Ａ、定當１０Ａ負 荷
： 抵抗
開閉頻度 ： ２０回／分
開閉回数 ： 溶着発ヰ迄
接触力 ： ４０ｇ
開離力 ： ４５ｇ
上記の表の右ｆｌＶＩに示す数値で明らかなように実施
例１〜７の電気接点材料より成る電気接点は、従来例１
，２の電気接点４，４料より成る電気接点に比し、熔着
発生迄の開閉回数が多く耐溶着性に優れ、また接触抵抗
も同等に低（且つはらっきが少なくて安定していること
が判る。そしてアーク消耗量についζば、実施例１〜７
の電気接点材料より成る電気接点は、従来例１，２の電
気接点口材より成る電気接点と同等若しくはそれ以下で
あることが判る。Test condition voltage: AC100V 50 It
Z Current: Input 40A, constant 10A Load: Resistance Switching frequency: 20 times/min Number of switching: Until welding Contact force: 40g Breaking force: 45g As is clear from the values shown on the right side of the table above Electrical contacts made of the electrical contact materials of Examples 1 to 7 are conventional example 1.
, 2 electrical contacts 4, Compared to electrical contacts made of 4 materials, the number of openings and closings before welding is greater and the welding resistance is excellent, and the contact resistance is equally low (and stable with less cracking). As for the amount of arc consumption, Examples 1 to 7
It can be seen that the electrical contacts made of the electrical contact materials shown in FIG.
以上の説明で判るように本発明の電気接点材料は、従来
のＡｇ−Ｃｄ０より成る電気接点材料と同等の安定した
接触抵抗を有し、その上耐溶着性についζは格段に向上
しているので、従来のΔｇ−Ｃｄ○より成る電気接点材
料にとって代わることのできる画期的なものと云える。As can be seen from the above explanation, the electrical contact material of the present invention has a stable contact resistance equivalent to that of the conventional electrical contact material made of Ag-Cd0, and has a significantly improved welding resistance. Therefore, it can be said that it is an epoch-making material that can replace the conventional electrical contact material made of Δg-Cd○.
Claims (1)
ＣＬＩＯ１５〜５重量％、Ｂｉｏ、１〜３重景％、
残部Ａｇより成り、且つ内部酸化されている電気接点材
料。 ２）Ｃｄ１０〜２０重量％、Ｓｂ０．５〜５市■％、
ＣｕＯ，５−５重量％、 Ｂ ｉ ０．１”３ｍ
１％、Ｉｉ”ｅ族元素０．０１〜０゜５重量％、残部Ｊ
（Ａｇより成り、且つ内部酸化されている電気接点材料
。[Claims] 1) 0610 to 20% by weight, Sb 0.5 to 5% by weight,
CLIO15-5% by weight, Bio, 1-3% by weight,
An electrical contact material whose remainder is made of Ag and which is internally oxidized. 2) Cd 10-20% by weight, Sb 0.5-5%,
CuO, 5-5% by weight, B i 0.1”3m
1%, Ii”e group elements 0.01-0°5% by weight, balance J
(Electrical contact material made of Ag and internally oxidized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58087946A JPS59215440A (en) | 1983-05-19 | 1983-05-19 | Electrical contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58087946A JPS59215440A (en) | 1983-05-19 | 1983-05-19 | Electrical contact material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59215440A true JPS59215440A (en) | 1984-12-05 |
| JPH0235018B2 JPH0235018B2 (en) | 1990-08-08 |
Family
ID=13929052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58087946A Granted JPS59215440A (en) | 1983-05-19 | 1983-05-19 | Electrical contact material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59215440A (en) |
-
1983
- 1983-05-19 JP JP58087946A patent/JPS59215440A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235018B2 (en) | 1990-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4161403A (en) | Composite electrical contact material of Ag-alloy matrix and internally oxidized dispersed phase | |
| KR0121724B1 (en) | Silver-oxide based electric contact material | |
| JPS59215440A (en) | Electrical contact material | |
| JPS59215442A (en) | Electrical contact material | |
| JPH0236658B2 (en) | ||
| JPS59185748A (en) | Electrical contact material | |
| JPS59215436A (en) | Electrical contact material | |
| JPS59215438A (en) | Electrical contact material | |
| JPH0236659B2 (en) | ||
| JPH0236657B2 (en) | ||
| JPS5938346A (en) | Electrical contact material | |
| JPS59185749A (en) | Electrical contact material | |
| JPS59219441A (en) | Electrical contact material | |
| JPS59185746A (en) | Electrical contact material | |
| JPS59215437A (en) | Electrical contact material | |
| JPS59215439A (en) | Electrical contact material | |
| JPS59219436A (en) | Electrical contact material | |
| JPS59215441A (en) | Electrical contact material | |
| JPS59215435A (en) | Electrical contact material | |
| JP2587437B2 (en) | Method for producing Ag-oxide composite strip for electrical contact | |
| JPS59219437A (en) | Electrical contact material | |
| JPS59185751A (en) | Electrical contact material | |
| JPS59219439A (en) | Electrical contact material | |
| JPS59185747A (en) | Electrical contact material | |
| JPS6229500B2 (en) |