JPS6256545A - Zrb2-cu type sintered body - Google Patents
Zrb2-cu type sintered bodyInfo
- Publication number
- JPS6256545A JPS6256545A JP19608785A JP19608785A JPS6256545A JP S6256545 A JPS6256545 A JP S6256545A JP 19608785 A JP19608785 A JP 19608785A JP 19608785 A JP19608785 A JP 19608785A JP S6256545 A JPS6256545 A JP S6256545A
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- zrb2
- copper
- powder
- weight
- 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
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は二重化ジルコニウム（ＺｒＢ２）焼結体、さら
に詳しくは硬度、’＋ｈ気伝導伝導性れた二層化ジルコ
ニム焼結体に関するものである。本発明に得られる焼結
体は高密度、高硬度かつ゛１１！：気伝導性の高い材料
であるため接点材料、電極材料等の広い用途に使用でき
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a double-layered zirconium (ZrB2) sintered body, and more particularly to a double-layered zirconium sintered body with hardness and air conductivity of '+h. . The sintered body obtained by the present invention has high density, high hardness, and 11! : Since it is a material with high air conductivity, it can be used for a wide range of applications such as contact materials and electrode materials.
［従来の技術・発明の解決しようとする問題ぜ！署二硼
化ジルコニム（Ｚ’ｒＢ２）は高融点、高硬度、高耐酸
化性および高電気伝導性を有するため、銅（Ｃ：ｕ ）
との複合により、接点材料、′電極材料等の研究はなさ
れてきたが、ＺｒＢ２は銅との濡れ性が悪く殆ど実用化
されていない、このような点に鑑み、本発明は所望がれ
ている高硬度で高電気伝導性の二層化ジルコニム焼結体
を開発すべ〈種々研究の結果１本発明を見い出すに至っ
たものである・
［問題を解決するための千一段］
即ち、本発明はｎＯ述の問題を解決すべくなされたもの
であり、二硼化ジルコニムを少なくともＦｅ、Ｎｏ、Ｗ
の１種以上を含むことで特徴づけられた銅合金からなる
焼結体を要旨とするものである。[This is the problem that conventional technology/inventions are trying to solve! Zirconium diboride (Z'rB2) has a high melting point, high hardness, high oxidation resistance and high electrical conductivity, so it is similar to copper (C:u).
Research has been carried out on contact materials, electrode materials, etc. by combining ZrB2 with copper, but ZrB2 has poor wettability with copper and has hardly been put into practical use.In view of this, the present invention is desired. As a result of various researches, we have discovered the present invention. [One thousand and one steps to solve the problem] That is, this book The invention was made to solve the problem mentioned above, and it is possible to make zirconium diboride into at least Fe, No, W.
The gist is a sintered body made of a copper alloy characterized by containing one or more of the following.
未発明に用いるＺ ｒＢ；＋は例えば酸化ジルコニウム
、酸化ｍ素およびカーボンの混合物を高温〒反応させる
ことにより得られ１本焼結体の製造には可及的に純度の
高いものを用いるのが好ましく、また粒径も可及的に小
さい粉末が好ましい。Z rB; It is preferable to use a powder having a particle size as small as possible.
具体的には純度ＨＸ以上、平均粒径ｌＯμｌ！＃には５
μｍ以下のものがそれである。また、本焼結体であるＺ
ｒＢ２をＷ＆密に焼結できる結合部又は多い場合は主
要部を形成する銅成分は原料としては微粉末はど好まし
く、純度９８．８重量％以上、Ｆ均粒径３．８μｍ程度
のものが好ましい、また、鉄粉末、モリズデン粉末、タ
ングステン粉末も同様高純度特には３９％以上のもので
５μｍ以下のものを使用することが好ましい。Specifically, the purity is HX or higher and the average particle size is lOμl! # is 5
This is less than μm. In addition, the main sintered body Z
The copper component that forms the joint part or the main part in many cases where rB2 can be densely sintered is preferably a fine powder as a raw material, with a purity of 98.8% by weight or more and a F average particle size of about 3.8 μm. It is also preferable to use iron powder, molysdenum powder, and tungsten powder having high purity, particularly those having a purity of 39% or more and a particle size of 5 μm or less.
本発明の一二硼化ジルコニム銅系焼結体は。The zirconium dodecoboride copper-based sintered body of the present invention is.
これらの各粉末の所定量を配合、混合、乾燥し、この混
合粉末を黒鉛型に充填しアルゴン、水素或は真空中のよ
うな中性或は還元性雰囲気においてホットプレス（こ′
の場合は２０ｋｇ／ｃｍ２以上、できれば３００〜４０
０ｋｇ／ｃ＋ａ２．温度１０００℃程度がよい）、或は
混合粉末を金型成形し、中性或は還元性雰囲気で１１０
０−１３００℃の温度領域で常圧焼結することにより得
られる。Predetermined amounts of each of these powders are blended, mixed, and dried, and this mixed powder is filled into a graphite mold and hot pressed in a neutral or reducing atmosphere such as argon, hydrogen, or vacuum.
20kg/cm2 or more, preferably 300-40
0kg/c+a2. (temperature of about 1000℃ is best), or mold the mixed powder with a mold and heat it to 110℃ in a neutral or reducing atmosphere.
It is obtained by pressureless sintering in a temperature range of 0-1300°C.
本発明の焼結体は、このように鉄、モリ−ブデン、タン
グステンで特徴づけられたＺｒＢ２−Ｃｕ系焼結体であ
るが、鉄及び／又はモリブデン及び／又はタングステン
は望ましくは銅と銅合金として形成されているものであ
る。そしてこの二硼化ジルコニムと銅合金における割合
は重量％で、二硼化ジルコニムが２〜８ｏｚ、後者が１
０〜３８％、望ましくは前者が５〜６０＄、後者４０〜
９５＄とすることである。The sintered body of the present invention is thus a ZrB2-Cu-based sintered body characterized by iron, molybdenum, and tungsten, but iron and/or molybdenum and/or tungsten are preferably copper and copper alloys. It is formed as follows. The ratio of zirconium diboride and copper alloy is 2 to 8 oz of zirconium diboride and 1 oz of the latter.
0~38%, preferably the former is 5~60$, the latter 40~
The amount will be set at $95.
本発明において、前記割合とする理由は、金属部が少な
すぎるとｗｌ、密な焼結体が得にくく、電気伝導性も低
くなるためである。尚、これらにおいて本焼結体の［」
的、効果を損なわない程度において、微量の他の成分又
は不可避的不純物が含まれていても差支えないことは勿
論である。In the present invention, the reason for setting the above ratio is that if the metal portion is too small, it will be difficult to obtain a dense sintered body and the electrical conductivity will be low. In addition, in these, the ['' of this sintered body
Of course, trace amounts of other components or unavoidable impurities may be included as long as the purpose and effect are not impaired.
つぎに、金属部を形成する銅合金中のＦｅ、Ｎｏ。Next, Fe and No. in the copper alloy forming the metal part.
Ｗの割合は銅との合＝ｊＡ中次の通りが、好ましい。尚
、（）内は望ましい範囲である。The proportion of W in combination with copper = jA is preferably as follows. Note that the values in parentheses are desirable ranges.
０．５≦Ｆｅ≦３０（ｌ≦Ｆｅ≦ｌＯ重量％）０．５＄
Ｍｏ≦５０（１≦Ｍｏ≦４０重量％）０．５≦誓≦５０
（１≦誓≦４０重量％）このようにして得られる本発明
焼結体はその殆どが粒径が１〜５μｍ程度のＺ ｒｌｌ
１２および粒径が１〜２４１１１程度のモリブデン又は
タングステン又は鉄が鋼中に均一に分散されている組織
からなっている。0.5≦Fe≦30 (l≦Fe≦lO weight%) 0.5$
Mo≦50 (1≦Mo≦40% by weight) 0.5≦Oath≦50
(1≦≦40% by weight) Most of the sintered bodies of the present invention thus obtained are Zrll with a particle size of about 1 to 5 μm.
12 and molybdenum, tungsten, or iron having a grain size of about 1 to 24111 are uniformly dispersed in the steel.
実施例
実施例Ｉ
ＺｒＢｚ粉末（純度９９．５＄、平均粒径７．２μｍ
） ３３重、１７１部、銅粉末（純度８９．８Ｌ−Ｖ均
粒径５ μｉｎ） ５８ル廿部、鉄粉末（純度９ｉ１１
．ｆｌＬ平均粒径４μｍ） ８玉量部およびタングステ
ン粉末（純度９９．０％、平均粒径１．０μ謹）１重量
部をエタノールを用い超硬ポールで２時間混合した。真
空乾燥後の混合粉末を金型成形し、う／ヘープレス圧２
ｔ／ｃ履２をかけた後、アルゴン中において１３００
°０，３０分間加熱した。このようにして２０Ｘ ２０
Ｘ ４０ｍｍの焼結体を得た。この焼結体は室温でのビ
ッカース硬度１６０ ｋｇ／ｍｍ％、室温での比抵抗７
μΩｃｍを示し、気孔のない良好なものであった。Examples Example I ZrBz powder (purity 99.5 $, average particle size 7.2 μm
) 33 parts, 171 parts, copper powder (purity 89.8L-V average particle size 5 μin) 58 parts, iron powder (purity 9i11
．． 8 parts by weight of tungsten powder (purity 99.0%, average particle size 1.0 μm) were mixed with ethanol using a carbide pole for 2 hours. The mixed powder after vacuum drying is molded into a mold and subjected to U/Hae Press Pressure 2.
After applying t/c 2, 1300 in argon.
°0, heated for 30 minutes. In this way 20X 20
A sintered body with a diameter of 40 mm was obtained. This sintered body has a Vickers hardness of 160 kg/mm% at room temperature and a specific resistance of 7 at room temperature.
It showed a good value of μΩcm and had no pores.
実施例２
Ｚｒ８２粉末（純度９９．５＄、平均粒径？、２Ｂ ）
６ 重量部、銅粉末（純度９９．８Ｌ平均粒径５μｍ）
９２重量部、鉄粉末（純度９８．８％、平均粒径４μｌ
１）１．５％量部およびタングステン粉末（純度９９．
０＄、平均粒径１．０μｍ）０．５重量部をエタノール
を用い超硬ポールで２時間混合した。真空乾繰後の混合
粉末を８０ｍｍ径の黒鉛型に入れ、真空中において３０
０ ｋｇ／ｃｍ２に加圧しながら１０００℃に３０分間
加熱した。このようにして直径８０ｍｍ 、高さ２０ｍ
＋ｓの焼結体を得た。この焼結体は室温でのビッカース
硬度１００ｋｇ／ａ＋ｍ２ 、比抵抗２．７０μΩＣ１
を示し、気孔のない良好なものであった。Example 2 Zr82 powder (purity 99.5$, average particle size?, 2B)
6 parts by weight, copper powder (purity 99.8L average particle size 5μm)
92 parts by weight, iron powder (purity 98.8%, average particle size 4 μl)
1) 1.5% weight part and tungsten powder (purity 99.
0 $, average particle size 1.0 μm) was mixed with ethanol for 2 hours using a carbide pole. The mixed powder after vacuum drying was put into a graphite mold with a diameter of 80 mm, and heated in a vacuum for 30 minutes.
It was heated to 1000° C. for 30 minutes while pressurizing to 0 kg/cm 2 . In this way, the diameter is 80mm and the height is 20m.
A sintered body of +s was obtained. This sintered body has a Vickers hardness of 100 kg/a+m2 and a specific resistance of 2.70 μΩC1 at room temperature.
It was a good product with no pores.
実施例３乃至１９
実施例１．２と同様に、特定の焼結条件で焼結して得た
各焼結体の特性を示すと次の通りである。（尚、焼結体
の重量の割合は試料配合組成の割合と殆ど差異は認めら
れなかったとともに、実施例３〜１９のものの相対密度
はいずれも９９．５＄以上のものばかりであった。）実
施例３〜１９
本表記以外は不’ｆＪ（避不純物を除いて全てＣｕであ
り、その縫は１００重量部から表記硼化物、金属部を差
し引いた残部である。Examples 3 to 19 Similar to Example 1.2, the characteristics of each sintered body obtained by sintering under specific sintering conditions are as follows. (The weight ratio of the sintered body showed almost no difference from the sample composition ratio, and the relative densities of Examples 3 to 19 were all 99.5 dollars or more. ) Examples 3 to 19 Everything other than this notation is Cu (excluding avoided impurities), and the rest is the balance after subtracting the indicated boride and metal parts from 100 parts by weight.
本本焼結条件中圧力Ｏは常圧焼成を示す。The pressure O in this main sintering condition indicates normal pressure sintering.
木本＊組成良好とは相対′！Ｅ度が９Ｅ１．５＄以−Ｌ
でボアが無いものをいう。Wooden *Good composition is relative'! E degree is 9E1.5$ or more-L
This refers to one without a bore.
比較例１〜４ ［発明の効果］Comparative examples 1 to 4 [Effect of the invention]
Claims (1)
とで特徴づけられたＺｒＢ＿２−Ｃｕ系焼結体。 ２、鉄、モリブデン、タングステンは銅と合金を形成し
てなる特許請求の範囲第１項記載の焼結体。 ３、鉄、モリブデン、タングステンは銅との合量中、重
量％でそれぞれ０．５≦Ｆｅ≦３０及び／又は０．５≦
Ｍｏ≦５０及び／又は０．５≦Ｗ≦５０である特許請求
の範囲第２項記載の焼結体。 ４、ＺｒＢ＿２と金属の割合は重量％で、前者が９０〜
２％、後者が１０〜９８％である特許請求の範囲第１項
乃至第３項いずれか記載の焼結体。 ５、ＺｒＢ＿２が６０〜５％、金属が４０〜９５％であ
る特許請求の範囲第４項記載の焼結体。 ６、室温でのビッカース硬度が１００ｋｇ／ｍｍ＾２以
上である特許請求の範囲第１項記載の焼結体。 ７、室温での比抵抗が２．５μΩｃｍ以上である特許請
求の範囲第１項又は第６項記載の焼結体。[Claims] 1. A ZrB_2-Cu-based sintered body characterized by containing one or more of iron, molybdenum, and tungsten. 2. The sintered body according to claim 1, wherein iron, molybdenum, and tungsten form an alloy with copper. 3. Iron, molybdenum, and tungsten are each 0.5≦Fe≦30 and/or 0.5≦ in weight% in the total amount with copper
The sintered body according to claim 2, wherein Mo≦50 and/or 0.5≦W≦50. 4. The ratio of ZrB_2 and metal is in weight%, and the former is 90~
2%, and the latter is 10 to 98%. 5. The sintered body according to claim 4, wherein ZrB_2 is 60 to 5% and metal is 40 to 95%. 6. The sintered body according to claim 1, which has a Vickers hardness of 100 kg/mm^2 or more at room temperature. 7. The sintered body according to claim 1 or 6, which has a specific resistance at room temperature of 2.5 μΩcm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19608785A JPS6256545A (en) | 1985-09-06 | 1985-09-06 | Zrb2-cu type sintered body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19608785A JPS6256545A (en) | 1985-09-06 | 1985-09-06 | Zrb2-cu type sintered body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6256545A true JPS6256545A (en) | 1987-03-12 |
Family
ID=16351989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19608785A Pending JPS6256545A (en) | 1985-09-06 | 1985-09-06 | Zrb2-cu type sintered body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6256545A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196343A (en) * | 1987-10-08 | 1989-04-14 | Agency Of Ind Science & Technol | Dispersed particle-reinforced copper for electric material and its production |
| CN104018019A (en) * | 2014-05-26 | 2014-09-03 | 郑州大学 | ZrB2/Cu composite material preparation method |
| CN104561628A (en) * | 2014-12-30 | 2015-04-29 | 中南大学 | Method for preparing zirconium diboride based ceramic composite material at low temperature |
| CN115947602A (en) * | 2022-10-10 | 2023-04-11 | 中南大学 | ZrB 2 Metal ceramic inert anode and preparation method and application thereof |
-
1985
- 1985-09-06 JP JP19608785A patent/JPS6256545A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196343A (en) * | 1987-10-08 | 1989-04-14 | Agency Of Ind Science & Technol | Dispersed particle-reinforced copper for electric material and its production |
| JPH0341535B2 (en) * | 1987-10-08 | 1991-06-24 | ||
| CN104018019A (en) * | 2014-05-26 | 2014-09-03 | 郑州大学 | ZrB2/Cu composite material preparation method |
| CN104561628A (en) * | 2014-12-30 | 2015-04-29 | 中南大学 | Method for preparing zirconium diboride based ceramic composite material at low temperature |
| CN115947602A (en) * | 2022-10-10 | 2023-04-11 | 中南大学 | ZrB 2 Metal ceramic inert anode and preparation method and application thereof |
| CN115947602B (en) * | 2022-10-10 | 2023-11-07 | 中南大学 | ZrB (ZrB) 2 Metal ceramic-based inert anode and preparation method and application thereof |
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