JPS5940214B2 - Arc resistant alloy - Google Patents
Arc resistant alloyInfo
- Publication number
- JPS5940214B2 JPS5940214B2 JP53009333A JP933378A JPS5940214B2 JP S5940214 B2 JPS5940214 B2 JP S5940214B2 JP 53009333 A JP53009333 A JP 53009333A JP 933378 A JP933378 A JP 933378A JP S5940214 B2 JPS5940214 B2 JP S5940214B2
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- resistant alloy
- arc
- alloys
- arc resistant
- 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.)
- Expired
Links
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Contacts (AREA)
Description
【発明の詳細な説明】
本発明は電気接点材及び電気加工用特に放電加工用の電
極材として利用される耐アーク合金に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an arc-resistant alloy used as an electrical contact material and an electrode material for electrical machining, particularly electrical discharge machining.
Ａｇ−Ｗ合金及びＣｕ−Ｗ合金は、切削性、耐熱性、耐
アーク性に優れており、電気接点及び各種電気加工用電
極等の材料として賞用されている。Ag-W alloys and Cu-W alloys have excellent machinability, heat resistance, and arc resistance, and are prized as materials for electrical contacts and various electrodes for electrical processing.
然しながら、特に電気加工用電極の使用者の立場から見
れば、これらの合金の耐アーク性、消耗率等は必ずしも
充分なものでなく、改良が望まれていたものである。本
発明は斜上の観点に立つてなされたものであつて、その
目的とするところは、Ａｇ−Ｗ合金及 ・びＣｕ−Ｗ合
金を基礎合金とし、その切削性を損うことなく、耐アー
ク性、消耗率を向上させた、新規な耐アーク性Ａｇ−Ｗ
／Ｃｕ−Ｗ基合金を提供することにある。However, especially from the standpoint of users of electrodes for electrical machining, the arc resistance, wear rate, etc. of these alloys are not necessarily sufficient, and improvements have been desired. The present invention has been made from the viewpoint of diagonal cutting, and its purpose is to use Ag-W alloys and Cu-W alloys as basic alloys, and to improve their machinability without impairing their machinability. New arc-resistant Ag-W with improved arc resistance and wear rate
/Cu-W based alloy.
而して、本発明の要旨とするところは、公知Ａｇ−Ｗ合
金又はＣｕ−Ｗ合金を焼結する際、これにあらかじめ重
量百分比（以下同じ）０．１％な（）し５％の範囲で、
少くとも一種の希土類元素を添加することにある。Therefore, the gist of the present invention is that when sintering a known Ag-W alloy or Cu-W alloy, the weight percentage (hereinafter the same) ranges from 0.1% to 5% in advance. in,
The purpose is to add at least one kind of rare earth element.
而して、添加すべき希土類元素としては、イットリウム
Ｙ）スカンジウムＳｃ及びランタノイド、即ちイットリ
ウム族のＳｃ、Ｙ、Ｅｕ、Ｇｄ、Ｔ、Ｄｙ、Ｈｏ、Ｅに
、Ｔｍ、Ｙｂ及びＬｕ、並びに、セリウム族元素のＬａ
、Ｃｅ、Ｐｒ、Ｎｄ、Ｐｍ及びＳｍがすべて利用できる
ものであり、かつこれらの元素の添加効果は大同小異で
ある。The rare earth elements to be added include yttrium Y) scandium Sc and lanthanoids, that is, yttrium group Sc, Y, Eu, Gd, T, Dy, Ho, E, Tm, Yb and Lu, and cerium. Group element La
, Ce, Pr, Nd, Pm, and Sm can all be used, and the effects of adding these elements are largely the same.
従つて、これらの添加元素は通常入手の難易度、経済性
のみによつて選定されるものであるが、一定の品位のも
のが安価に得られ、取扱いも容易であるという観点から
Ｙを採用することが推奨され、また主として経済的な観
点からミツシユメタル（４０〜５０Ｃｅ） ２０〜４０
Ｌａ）残部は他のランタノイド）等を使用することが推
奨される。Therefore, these additive elements are normally selected based only on the difficulty of obtaining and economic efficiency, but Y was selected from the viewpoint that it can be obtained at a certain quality at a low price and is easy to handle. Mitsushi Metal (40~50Ce) 20~40
It is recommended to use La) the remainder is other lanthanoids), etc.
また、添加量が０．１％以下となると、添加した効果が
見られなくなるが、５％以上添加すると焼結性、切削性
を始め、他の機械的性質及び耐アーク性が共に劣化する
ので、添加量の許容範囲は０．１ないし５％である。然
しながら、切削性及び耐アーク性の点から最も好ましい
添加量は１％前後、０．５ないし２％の範囲である。ま
た、基礎となるＡｇ−Ｗ合金又はＣｕ−Ｗ合金としては
、Ｗ配合比が３０ないし７０％の範囲の公知のすべての
合金が利用できるものである。Furthermore, if the amount added is less than 0.1%, the effect of the addition will not be seen, but if it is added more than 5%, other mechanical properties and arc resistance, including sinterability and machinability, will deteriorate. , the allowable range of addition amount is 0.1 to 5%. However, from the viewpoint of machinability and arc resistance, the most preferable addition amount is around 1%, in the range of 0.5 to 2%. Further, as the basic Ag-W alloy or Cu-W alloy, all known alloys having a W blending ratio in the range of 30 to 70% can be used.
而して、これらの元素を添加する場合には、これらの元
素を粉末状とし、これを所望の配合比をもつて、Ａｇ又
はＣｕ粉末及びＷ粉末と混合し、常法により焼結を行う
ものである。以下、実施例により本発明の詳細を説明す
る。Therefore, when adding these elements, these elements are powdered, mixed with Ag or Cu powder and W powder at a desired blending ratio, and sintered by a conventional method. It is something. Hereinafter, the details of the present invention will be explained with reference to Examples.
実施例 １公知の５０Ａｇ−５０Ｗ及び５０Ｃｕ−５０
Ｗとこれらにイツトリウムを１（ｆｌ）添加して成る合
金とにより、放電加工用電極を作成し、試験加工を行つ
た結果次表に示す如き結果を得た。Example 1 Known 50Ag-50W and 50Cu-50
Electrodes for electrical discharge machining were prepared from W and an alloy obtained by adding 1 (fl) of yttrium to these, and test machining was performed, resulting in the results shown in the following table.
放電加工条件は下記のとおりである。The electrical discharge machining conditions are as follows.
１）加工電流１ｐ：３０Ａ ２）加工パルスτ０Ｎ：５μＳｅｃ τ０ＦＦ：加工可能な最小値（電極材 により異なる。1) Machining current 1p: 30A 2) Processing pulse τ0N: 5μSec τ0FF: Minimum processable value (electrode material It depends.
）この表からＹを１％添加することにより、消耗比を約
−に減少させると共に、加工速度を約５０％向上せしめ
得ることが判明する。) From this table, it is found that by adding 1% Y, the consumption ratio can be reduced to about - and the processing speed can be increased by about 50%.
また、このＹ添加により切削性その他の機械的性質はほ
とんど損なわれなかつた。実施例 ２
上記実施例１に示したＡｇ−Ｗ合金により接点を製造し
、油中で２００Ｖ１５０００１１５Ａの電流を開閉した
。Furthermore, the addition of Y hardly impaired the machinability and other mechanical properties. Example 2 A contact was manufactured using the Ag-W alloy shown in Example 1 above, and a current of 200V, 15,000,115A was applied and closed in oil.
総計１０６回の開閉テストを行なつたところ、平均接点
消耗量は下表の通りであつた本実施例においても、１％
のＹ添加により５０Ａｇ−５０Ｗの消耗量が約４０（Ｆ
ｆ）に減少することが証明された。After conducting a total of 106 opening/closing tests, the average amount of contact wear was as shown in the table below.Even in this example, it was 1%.
By adding Y, the consumption of 50Ag-50W is about 40 (F
f).
実施例 ３
上記Ｙの代りにミツシユメタルを用いて上記実施例と同
様な試１験を行い、略同等の結果を得た。Example 3 A test similar to that of the above example was conducted using Mitsushi Metal instead of Y, and almost the same results were obtained.
Claims (1)
１％以上５％以下の範囲で少くとも一種の希土類元素を
添加して成る耐アーク合金。 ２ 添加された希土類元素がイットリウムである特許請
求の範囲第１項記載の耐アーク合金。 ３ 希土類元素としてミツシユメタルが添加された特許
請求の範囲第１項記載の耐アーク合金。[Claims] 1 Ag-W alloy or Cu-W alloy with a weight percentage of 0.
An arc-resistant alloy comprising at least one rare earth element added in a range of 1% to 5%. 2. The arc-resistant alloy according to claim 1, wherein the rare earth element added is yttrium. 3. The arc-resistant alloy according to claim 1, to which Mitsushi metal is added as a rare earth element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53009333A JPS5940214B2 (en) | 1978-02-01 | 1978-02-01 | Arc resistant alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53009333A JPS5940214B2 (en) | 1978-02-01 | 1978-02-01 | Arc resistant alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54103733A JPS54103733A (en) | 1979-08-15 |
| JPS5940214B2 true JPS5940214B2 (en) | 1984-09-28 |
Family
ID=11717535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53009333A Expired JPS5940214B2 (en) | 1978-02-01 | 1978-02-01 | Arc resistant alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5940214B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2577887B2 (en) * | 1986-06-03 | 1997-02-05 | 東邦金属株式会社 | Tungsten electrode material |
| CN114871521A (en) * | 2022-07-06 | 2022-08-09 | 成都虹波实业股份有限公司 | Lanthanum-doped iron-molybdenum alloy wire cutting wire and manufacturing method thereof |
-
1978
- 1978-02-01 JP JP53009333A patent/JPS5940214B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54103733A (en) | 1979-08-15 |
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