JPS59148214A - 2-layer sintered contactor - Google Patents
2-layer sintered contactorInfo
- Publication number
- JPS59148214A JPS59148214A JP59019814A JP1981484A JPS59148214A JP S59148214 A JPS59148214 A JP S59148214A JP 59019814 A JP59019814 A JP 59019814A JP 1981484 A JP1981484 A JP 1981484A JP S59148214 A JPS59148214 A JP S59148214A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- content
- contact
- cdo
- mass
- 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
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
- H01H1/0231—Composite material having a noble metal as the basic material provided with a solder layer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Contacts (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Inorganic Insulating Materials (AREA)
- Manufacture Of Switches (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の属する技術分野〕
本発明は、Ｂ１□０３．ＣｕＯおよびＣｄＯを含有した
銀−酸化すすからなる接触層と結合側にろう付けあるい
は溶接可能の第二層とを有する二層焼結接触子に関する
。DETAILED DESCRIPTION OF THE INVENTION [Technical field to which the invention pertains] The present invention is directed to B1□03. The present invention relates to a two-layer sintered contact having a contact layer of silver-soot oxide containing CuO and CdO and a second layer which can be brazed or welded on the connection side.
電力用低圧開閉装置（保護開閉器、小形配線被断Ｍ ）
ｌ／ｒ Ａ （Ｆ ｍ １” Ａｎ ｒｓ ｔ−’？＞
Ｘ 位１ｔＪ＋ ７．Ｊ、 ｎ’１１−−−−−と１
は知られている。Low-voltage switchgear for electric power (protective switch, small wiring breakage M)
l/r A (F m 1” An rs t-'?>
X position 1tJ+ 7. J, n'11---and 1
is known.
Ａｇ、ＣｄＯ接触材料からなる接触子による開閉の際に
は、消耗によってＣｄＯが環境中に出てくることがあり
、ＣｄＯは有害物質と見なされているから、ＳｎＯ２，
ＺｎＯ，Ｉｎ２ｏ３．ＣｕＯなどのような他の主添加金
属酸化物を含む接点材料を代用するようにすすめられて
いる。他の金属酸化物の添加のないＡｇ−８ｎ０２から
なる接点材料は、接点特性へのすべての要求を満たすこ
とができない。Ｉｎ２Ｏ３゜Ｂｉ２Ｏ３のような他の金
属酸化物を添加したＡｇ・５ｎ０２接点利料も公知であ
る。When opening and closing using contacts made of Ag and CdO contact materials, CdO may be released into the environment due to wear and tear, and since CdO is considered a harmful substance, SnO2,
ZnO, In2o3. It is recommended to substitute contact materials containing other primary additive metal oxides, such as CuO. A contact material consisting of Ag-8n02 without the addition of other metal oxides cannot meet all demands on contact properties. Ag.5n02 contact materials doped with other metal oxides such as In2O3°Bi2O3 are also known.
本発明は、公知のＡ、ｇ−ＣｄＯ接触子を、他の金属酸
化物の混合によってＣｄＯ含有量をできるだけ少なく保
つことができるように改善することを目的とする。The present invention aims to improve the known A,g-CdO contact in such a way that the CdO content can be kept as low as possible by mixing other metal oxides.
〔発明の構成〕
その目的は、接触層の組織が２００μｍより小さい広が
りの異なる組成の領域からなり、一つの領（３）
なお詳細に記述する。[Structure of the Invention] The object is that the structure of the contact layer consists of regions of different composition with an extent of less than 200 μm, and one region (3) will be described in more detail.
域がＡｇ−８ｎ０２司］１２０３・ＣｕＯ−Ｃｄ０から
なり、そして他の領域がＡｇ＝ＣｄＯ−Ｂｉ２０３
からなることによって達成される。The region consists of Ag-8n02]1203・CuO-Cd0, and the other region consists of Ag=CdO-Bi203
This is achieved by consisting of
Ａｇ−８ｎＯ２−Ｂｉ２０３−ＣｕＯ−ＣｄＯ領域が、
全酸化物量の７ （ｌ容量％以」〕の５１１０□分を含
む１０および２５容量％の間の総酸化物含有はを有する
ことが有効である。この領域中でＢｉ２０３含有量が０
５ないし２質量％の間、Ｃ１１０含有量が０５ないし１
．５質量％、そしてＣｄＯ含有■が０１ないし２質量％
になることが有効である。The Ag-8nO2-Bi203-CuO-CdO region is
It is useful to have a total oxide content between 10 and 25% by volume, including 5110□ of 7 (more than 1% by volume) of the total oxide content.In this region the Bi203 content is 0.
Between 5 and 2% by weight, the C110 content is between 05 and 1
．． 5% by mass, and CdO content 01 to 2% by mass
It is effective to become
Ａ、ｇ−ＣｄＯ・Ｂ１２Ｏ３からなる第二の組織領域の
組成は、総金属酸化物含有量が］（）と２０容川％の間
になることが有効で・ある。この領域中でＢｉ２０３含
有量が０．５ないし２質量％になる。The composition of the second tissue region consisting of A,g-CdO.B12O3 is advantageously such that the total metal oxide content is between ]() and 20% by volume. In this region, the Bi203 content is 0.5 to 2% by mass.
本発明による接触子の特別な接触特性は、二つの異なる
組成の領域からなる接触層の組織を特徴とする。The special contact properties of the contact according to the invention are characterized by the texture of the contact layer consisting of regions of two different compositions.
一例を引用して本発明に基づく接触子の製造を（４）
Ａｇ９０．４７質量％、Ｓ ｕ ６．８３質量％、Ｂｉ
ｌ、３７質Ｒ％、ＣｕＯ，８］質量％、ＣｄＯ，７２質
量％を含有するＡｇ−８ｎ −Ｂｉ −Ｃｕ−Ｃｄ合金
から、例えば圧力噴霧によって２００ ｌ１ｍより小さ
い粒径を持つ合金粉末を作成する。卑金属分を対応する
酸化物に移すために、粉末を５００および８００℃の間
の空気中あるいは酸素を含む雰囲気中で完全に内部酸化
するまで熱処理する。総酸化物含有量は１６容量％、Ｓ
ｎ ０２含有量は１ ］−、８］容量％（＆２３２３
質量、Ｂｉ２０３含有量は１．６７容量％（１，４９質
量％）、ＣｕＯ含有量は１．５４容量％（１，０質量傳
）、そしてＣｄＯ含有量は０．９８容量％（０，８質量
％）になる。１０．５質量％のＣｄおよび０．８２質量
％のＢｉを含有するＡｇ−ｃｄ−Ｂｌからなる第二の合
金から２００１１ｍより小さい粒径の合金粉末を作成す
る。卑金属分は５００および８００℃の間の熱処理の間
に内部酸化する。その全Ｍ化４Ｌ’ｔ［Ｒ＆’！、 Ｉ
Ｎ、 ］ ４ ’ｆＪ＠ ％、１３ｉ２す３含イｆｍ
は１．１４容量％（１質量％）になる。両複合粉末をＡ
ｇ−８ｎ０２−Ｂｉ２０３−ＣｕＯ−ＣｄＯ粉末の８０
％とＡｇ−Ｃｄ０−Ｂｉ２０３ 粉末の２０％の重量比
で均一に混合する。混合粉末を型の中で銀粉末層と共に
６００ ＭＮ／ｍ２で三層成形体に緻密化する。その圧
縮体を続いて８５０℃において１時間にわたり空気中で
焼結する。６００ＭＮ／ｍ２の加圧力による熱間後圧縮
によって二層接触子を緻密化する。必要な場合には、空
気中もしくは窒素中での１時間の８００℃における後焼
結と８１１０ＭＮ／ｍ２の加圧力による冷開後圧縮によ
ってさらに緻密化することができる。Citing an example, the production of a contactor based on the present invention is described in (4) Ag90.47% by mass, S u 6.83% by mass, Bi
From an Ag-8n-Bi-Cu-Cd alloy containing 1, 37 mass% R%, CuO, 8] mass% and CdO, 72 mass%, an alloy powder with a particle size smaller than 200 l1m is prepared by pressure spraying, for example. do. In order to transfer the base metal content to the corresponding oxide, the powder is heat treated in air or in an oxygen-containing atmosphere between 500 and 800° C. until complete internal oxidation. Total oxide content is 16% by volume, S
The n 02 content is 1]-, 8]% by volume (&2323
By mass, the Bi203 content is 1.67% by volume (1,49% by mass), the CuO content is 1.54% by volume (1,0% by mass), and the CdO content is 0.98% by volume (0,8% by mass). mass%). An alloy powder with a particle size smaller than 20011 m is made from a second alloy consisting of Ag-cd-Bl containing 10.5% by weight Cd and 0.82% by weight Bi. The base metal content undergoes internal oxidation during heat treatment between 500 and 800°C. Its all-M 4L't[R&'! , I
N, ] 4'fJ@%, 13i2s3 including fm
is 1.14% by volume (1% by mass). Both composite powders are A
g-8n02-Bi203-CuO-CdO powder 80
% and Ag-Cd0-Bi203 powder at a weight ratio of 20%. The mixed powder is densified in a mold with a layer of silver powder at 600 MN/m2 into a three-layer compact. The compact is then sintered in air at 850° C. for 1 hour. The bilayer contact is densified by hot post-pressing with an applied force of 600 MN/m2. If necessary, further densification can be achieved by post-sintering at 800° C. for 1 hour in air or nitrogen and compression after cooling with an applied pressure of 8110 MN/m 2 .
試験開閉器において本発明に基づく接触子の接点特性を
調べ、従来最も高く得られた特性標準のＡｇ−Ｃｄ０］
、２接触子と比較した。同じ消耗値および対照可能な接
触抵抗値（温度上昇）において、より低いＦｓ９９．９
値（溶着力最大値）が得られ、れた。The contact characteristics of the contactor based on the present invention were investigated in a test switch, and the characteristic standard Ag-Cd0, which had the highest conventional characteristics, was found]
, compared with 2 contacts. Lower Fs99.9 at the same consumption value and comparable contact resistance value (temperature rise)
value (maximum welding force) was obtained.
製造の際に、第二の複合粉末の代りに銀粉と対応する金
属酸化物の粉末からなる混合粉末も第一の複合粉末と混
合して用いろことができる。During production, a mixed powder consisting of silver powder and a corresponding metal oxide powder can also be used in place of the second composite powder by mixing it with the first composite powder.
Claims (1)
した銀−酸化すすからなる接触層と結合側にろう付けあ
るいは溶接可能の第二層とを有する二層焼結接触子にお
いて、接触層の組織が２００μｍより小さい広がりを持
ち、一つの領域がＡｇ・５ｎ０２ ・Ｂ＋２０３ ・Ｃ
ｕＯ−Ｃｄ０から、他の領域がＡｇ−Ｃｄ０・Ｂ１□０
３ からなることを特徴とする二層焼結接触子。 ２）Ａｇ−８ｎＯ２・Ｂｉ２Ｏ３・ＣｕＯ・ＣｄＯ領域
が全酸化物量の７０容量％以上の５ｎ０２分を含む１０
および２５容量％の間の総酸化物含有量を有することを
特徴とする特許請求の範囲第１項記載の二層焼結接触子
。 ３）Ｂ１２０３含有量が０．５ないし２質量％ 、Ｃｕ
Ｏ含有量が０５ないし１５質量％、そしてＣｄＯ含有量
が０．］ないし２質量％であることな特徴とする特許請
求の範囲第１項または第２項記載の二層焼結接触子。 ４）Ａｇ−ＣｄＯ＝Ｂｉ２０３からなる第二の組織領域
の組成が総金属酸化物含有量について１０および２０容
量％の間にあることを特徴とする特許請求の範囲第１項
ないし第３項のいずれかに記載の二層焼結接触子。 ５）Ｂ１□０３ 含有量が０５ないし２質量％である
ことを特徴とする特許請求の範囲第４項記載の二層焼結
接触子。[Claims] 1.) Bi. 03, a two-layer sintered contact having a contact layer made of silver-soot oxide containing CuO and CdO and a second layer that can be brazed or welded on the bonding side, in which the structure of the contact layer has an extension of less than 200 μm. and one area is Ag・5n02・B+203・C
From uO-Cd0, other regions are Ag-Cd0・B1□0
3. A two-layer sintered contact characterized by comprising: 2) Ag-8nO2/Bi2O3/CuO/CdO region contains 5n02 of 70% by volume or more of the total oxide amount 10
2. A two-layer sintered contact according to claim 1, characterized in that it has a total oxide content between 3) B1203 content is 0.5 to 2% by mass, Cu
The O content is 0.5 to 15% by weight and the CdO content is 0. ] to 2% by mass of the two-layer sintered contact according to claim 1 or 2. 4) according to claims 1 to 3, characterized in that the composition of the second structural region consisting of Ag-CdO=Bi203 lies between 10 and 20% by volume with respect to the total metal oxide content; The two-layer sintered contactor according to any one of the above. 5) The two-layer sintered contact according to claim 4, characterized in that the content of B1□03 is 05 to 2% by mass.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833304619 DE3304619A1 (en) | 1983-02-10 | 1983-02-10 | TWO-LAYER SINTER CONTACT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59148214A true JPS59148214A (en) | 1984-08-24 |
Family
ID=6190537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59019814A Pending JPS59148214A (en) | 1983-02-10 | 1984-02-06 | 2-layer sintered contactor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0118015B1 (en) |
| JP (1) | JPS59148214A (en) |
| AT (1) | ATE20986T1 (en) |
| DE (2) | DE3304619A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1803502C3 (en) * | 1968-10-17 | 1973-01-04 | Inovan-Stroebe Kg, 7534 Birkenfeld | Silver metal oxide material |
| DE2446698C2 (en) * | 1974-09-30 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | Two-layer sintered contact piece for electrical switching devices |
| JPS6013051B2 (en) * | 1978-08-11 | 1985-04-04 | 中外電気工業株式会社 | Improvement of electrical contact material by internally oxidizing silver↓-tin↓-bismuth alloy |
| GB2055398B (en) * | 1979-08-01 | 1983-06-02 | Chugai Electric Ind Co Ltd | Electrical contact materials of internally oxidized ag-sn-bi alloy |
-
1983
- 1983-02-10 DE DE19833304619 patent/DE3304619A1/en not_active Withdrawn
-
1984
- 1984-01-30 AT AT84100926T patent/ATE20986T1/en active
- 1984-01-30 EP EP84100926A patent/EP0118015B1/en not_active Expired
- 1984-01-30 DE DE8484100926T patent/DE3460310D1/en not_active Expired
- 1984-02-06 JP JP59019814A patent/JPS59148214A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3304619A1 (en) | 1984-08-16 |
| EP0118015B1 (en) | 1986-07-23 |
| EP0118015A1 (en) | 1984-09-12 |
| ATE20986T1 (en) | 1986-08-15 |
| DE3460310D1 (en) | 1986-08-28 |
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