JPS6126703A - Production of amorphous metallic compact - Google Patents
Production of amorphous metallic compactInfo
- Publication number
- JPS6126703A JPS6126703A JP14442684A JP14442684A JPS6126703A JP S6126703 A JPS6126703 A JP S6126703A JP 14442684 A JP14442684 A JP 14442684A JP 14442684 A JP14442684 A JP 14442684A JP S6126703 A JPS6126703 A JP S6126703A
- Authority
- JP
- Japan
- Prior art keywords
- amorphous metal
- powder
- pressurizing
- metal powder
- amorphous
- 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
Landscapes
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）発明の技術分野
この発明は、非晶質金属粉末を加圧成形して非晶質金属
成形体を得る非晶質金属成形体の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Technical Field of the Invention The present invention relates to a method for producing an amorphous metal molded body by press-molding an amorphous metal powder to obtain an amorphous metal molded body.
（ロ）従来技術と問題点
非晶質金属はその磁気的特性、機械的特性あるいは化学
的特性が結晶質金属に比べて特異であシ、近時、エンソ
ニフリング材料としてその有用性に興味がもたれてきて
いる。(b) Prior art and problems Amorphous metals have unique magnetic, mechanical, or chemical properties compared to crystalline metals, and recently there has been interest in their usefulness as ensonifring materials. is leaning.
この糧の非晶質金属は一般には金属溶湯を高温の状態か
ら急冷凝固させる方法で製造されている関係で、その形
態はフィラメント状、極薄のストリップ状あるいはりモ
ノ状として提供され、これらを接着して積層することで
、例えば磁気コアー等として実用に供されている。This amorphous metal is generally produced by rapidly cooling and solidifying molten metal from a high temperature state, and it comes in the form of filaments, ultra-thin strips, or glue. By adhering and laminating them, they are put to practical use, for example, as magnetic cores.
非晶質金属を粉末の形態で製造し、これを固着して目的
の形状に成形して利用することも提案されている。従来
、この非晶質金属粉末の成形加工法として爆薬法や衝撃
銃法あるいは温間プレス法等の方法が提案されているが
、爆薬法や温間プレス法は、量産性については優れては
いるものの得られる成形体に多量の空洞が存在し高密度
の成形体が得られ難く、また、衝撃銃法は、量産性に難
があるとともに成形体にクラックを生じ易く、いずれも
実用的な技術とはなっていない。It has also been proposed that amorphous metal be produced in the form of powder, then fixed and molded into a desired shape for use. Conventionally, methods such as the explosive method, impact gun method, and warm press method have been proposed as methods for forming this amorphous metal powder, but the explosive method and warm press method are not superior in terms of mass production. However, the molded product obtained by the impact gun method has many cavities, making it difficult to obtain a high-density molded product, and the impact gun method has difficulty in mass production and tends to cause cracks in the molded product, making it impractical. It has not become a technology.
（ハ）発明の目的
そこで本発明の目的は上記従来の問題点を除去する高密
度で且つ健全な非晶質金属成形体の製造方法を提供する
ことを目的としてなされたものである。(c) Object of the Invention Therefore, an object of the present invention is to provide a method for manufacturing a high-density and sound amorphous metal molded body that eliminates the above-mentioned conventional problems.
に）発明の構成及び効果
本発明では、アンビル内空間と加圧チップとの間に収容
された非晶質金属粉末に超音波振動を伝達させながら該
加圧チップにより該非晶質金属粉末を加圧圧縮して固結
成形することにより非晶質金属成形体とする方法を採用
する。B) Structure and effect of the invention In the present invention, the amorphous metal powder is applied by the pressurizing tip while transmitting ultrasonic vibration to the amorphous metal powder housed between the anvil inner space and the pressurizing tip. A method is adopted in which an amorphous metal molded body is formed by compression and solidification.
非晶質金属粉末は一般に金属溶湯を高温の状態で微細な
融滴に分散させて高速冷却させることによって得られる
もので、その粉末粒の表面は平滑でなく複雑な凹凸をも
った形状を呈している。Amorphous metal powder is generally obtained by dispersing molten metal into fine molten droplets at high temperatures and cooling them at high speed, and the surface of the powder particles is not smooth but has a complex uneven shape. ing.
それ故、この種の非晶質金属粉末を単に加圧圧縮、する
のみでは成形体に多量の空孔の存在は避は得す、また、
十分な結合強度を得ることは不可能である。Therefore, if this type of amorphous metal powder is simply compressed under pressure, the presence of a large number of pores in the compact cannot be avoided.
It is not possible to obtain sufficient bond strength.
本発明では、非晶質金属粉末を加圧圧縮する過程で、該
非晶質金属粉末に超音波振動を伝達し、非晶質金属粉末
粒に振動エネルギーを付与している。したがって、粉末
粒子の充填密度が向上し、また、加圧圧縮の過程におい
ては圧縮力の作用に加えて振動エネルギーが加重される
ために、粉末粒子の圧縮変形と粒子間の滑シ移動現象が
同時に且つ効果的に生起され、非晶質金属粉末表面の酸
化皮膜が破壊除去されて清浄で且つ活性に富んだ非晶質
金属の基質同士が圧接され、粉末間の固着結合がなされ
、クラック等の欠陥を含まない高密度で健全な成形体を
得ることができる。In the present invention, in the process of compressing the amorphous metal powder under pressure, ultrasonic vibrations are transmitted to the amorphous metal powder to impart vibrational energy to the amorphous metal powder particles. Therefore, the packing density of the powder particles is improved, and in the process of pressurization, vibration energy is added in addition to the action of the compression force, so that the compressive deformation of the powder particles and the sliding movement phenomenon between particles are reduced. Simultaneously and effectively, the oxide film on the surface of the amorphous metal powder is destroyed and removed, the clean and highly active amorphous metal substrates are pressed together, and a fixed bond is formed between the powders, causing cracks, etc. It is possible to obtain a high-density, healthy molded product that does not contain any defects.
（実施例１）
Ｃｏ６８．Ｐ４２Ｂｌｌの組成を有する粒径７４〜１４
９μｍの非晶質金属粉末を準備し、これを開口を有する
アンビル１内の空間２に充填する。粉末を加圧する加圧
チップ３は加圧ロッド４の先端に設けられ、該加圧ロッ
ド４には超音波振動発生装置５が連結されていて超音波
振動エネルギーを前記加圧チップ２を介してアンビル内
の粉末に伝達するようにしである。（第１図参照）上記
の装置を用いて、超音波振動発生装置に振動数１５ ｋ
Ｈｚ テ出力１７００〜３５０００超音波振動を発生さ
せこれを加圧口、ラド４および加圧チップ３を介してア
ンビル内の非晶質金属粉末に伝達しながら圧縮荷重７０
〜ｉ ２０ ｐｓｘで１〜３秒間加圧した。なお、望ま
しくは３００ ｐｓ１以上の高荷重で予備加工を行う。(Example 1) Co68. Particle size 74-14 with composition P42Bll
An amorphous metal powder of 9 μm is prepared and filled into a space 2 in an anvil 1 having an opening. A pressure tip 3 for pressurizing powder is provided at the tip of a pressure rod 4, and an ultrasonic vibration generator 5 is connected to the pressure rod 4 to transmit ultrasonic vibration energy through the pressure tip 2. This is to ensure that the powder is transferred to the anvil. (See Figure 1) Using the above device, a vibration frequency of 15 k was applied to the ultrasonic vibration generator.
A compressive load of 70 Hz is generated while transmitting ultrasonic vibrations to the amorphous metal powder in the anvil through the pressurizing port, RAD 4 and pressurizing tip 3.
Pressure was applied at ~i 20 psx for 1-3 seconds. Note that the preliminary processing is preferably performed under a high load of 300 ps1 or more.
第２図に、得られた成形体の顕微鏡組織写真（ｘ１５０
）を示す。Figure 2 shows a microscopic structure photograph (x150
) is shown.
得られた成形体のビッカース硬度はＨマフ５０〜８５０
であシ、同一組成の非晶賞金ｔｖｇン材の硬度（Ｈマフ
００〜８５０）と同程度の硬度を示した。The Vickers hardness of the obtained molded product is H Muff 50-850.
The hardness was comparable to that of the amorphous tvgn material with the same composition (H muff 00-850).
比較のために、前記実施例におけると同一組成および粒
度構成の非晶質金属粉末を用い、同一装置および条件で
、但し、超音波振動を作用させないで、非晶質金属粉末
を成形した。For comparison, an amorphous metal powder having the same composition and particle size structure as in the above example was used, and the amorphous metal powder was molded using the same equipment and conditions, but without applying ultrasonic vibration.
第３図に、得られた成形体の顕微鏡組織写真（Ｘ１５０
）を示す。Fig. 3 shows a microscopic structure photograph (X150
) is shown.
得られた成形体のビッカース硬度はＨマ１５０〜３００
であシ、同一組成の°非晶質金属すがン材の示す硬度（
Ｈマフ００〜８５０）に比べて格段に低い値を示してい
る。The Vickers hardness of the obtained molded product is Hma 150 to 300.
The hardness of amorphous metal sash materials with the same composition (
H muff 00-850) shows a much lower value.
また、第２−３図よル明らかな如く、前記実施例により
得られた成形体（第２図）には空洞は殆んど認められな
かったが、比較例により得られた成形体（第３図）には
多量の空洞が存在している。Furthermore, as is clear from Figures 2-3, almost no cavities were observed in the molded body obtained in the example (Figure 2), but the molded body obtained in the comparative example (Fig. Figure 3) has a large number of cavities.
（実施例２）
実施例１で使用したと同じ装置を使い、組成ＦＡ７ｏ
Ｐ □ｓ Ｃｔ Ｃｒｌｏ ％ Ｎ ｌｔ ｓ ｓｔｔ
Ｂ １５ Ｎ ＦＩＬｔ ｓ Ｃｒ Ａ ｏ Ｂ ｔ
２ ＮＦｎＨＣｏｔｓＳＬａ Ｂｔｇ 、Ｎ１ａｓＺ
ｒｓｔ （原子チ）粒径７４〜１４９μｍの非晶質粉末
についても同様の実験を行なった結果、殆んど欠陥の無
い非晶質金属粉末成形体を得ることができた。(Example 2) Using the same equipment as used in Example 1, composition FA7o
P □s Ct Crlo % N lt s stt
B 15 N FILt s Cr A o B t
2 NFnHCotsSLa Btg, N1asZ
Similar experiments were conducted using amorphous powder having a grain size of 74 to 149 μm, and as a result, an amorphous metal powder compact with almost no defects could be obtained.
（実施例３）
実施例１で使用したと同じ装置のアンビル部に加熱装置
を取り付けた装置を使い、組成ＦＡ ４．＊ ＣＯｓ
ｓ、５ｓｔｘ ｓ Ｂ １１ （原子チ）、粒径７４〜
１４９４ｍの非晶質金属粉末について、結晶化温度（Ｔ
ｘ℃）（結晶化温度：ＴＸ＝５１８℃）以下の温度で予
備加熱後同様の加圧振動を付与することにより更に健全
な成形体を得ることができた。予熱温度は望ましくは（
Ｔｘ−５０）℃以下で、さらに望ましくはＣＴｘ−１０
０）〜（Ｔｘ−２００）’Ｃである。(Example 3) Using the same device as used in Example 1 with a heating device attached to the anvil part, composition FA 4. *COs
s, 5stx s B 11 (atomic chi), particle size 74~
For the amorphous metal powder of 1494m, the crystallization temperature (T
By preheating at a temperature lower than x°C (crystallization temperature: TX = 518°C) and applying the same pressurized vibration, a more sound molded body could be obtained. The preheating temperature is preferably (
Tx-50)℃ or less, more preferably CTx-10
0) to (Tx-200)'C.
なお、前記の実施例においては、粒径７４〜１４−９μ
ｍの非晶質金属粉末を成形する例を示したが、本発明で
は非晶質金属粉末に結合促進剤として粒径０．１μｍ以
下の超微金属粉末を適当量（１〜５重量％）混合して成
形することにより成形体の結合強度を更に向上させるこ
ともでき、また、適当量の水ガクスやエポキシ樹脂等の
［ｆｉ絶縁性材料あるいは高電気抵抗材料、高硬度材料
等の第２相を配合して成形することにより成形体の電磁
気特性あるいは機械的特性を改善する手段とすることも
できる。In addition, in the above examples, the particle size was 74 to 14-9μ.
In the present invention, an appropriate amount (1 to 5% by weight) of ultrafine metal powder with a particle size of 0.1 μm or less is added to the amorphous metal powder as a bonding promoter. By mixing and molding, it is possible to further improve the bonding strength of the molded body, and it is also possible to further improve the bonding strength of the molded body. By blending phases and molding, it is also possible to improve the electromagnetic properties or mechanical properties of the molded product.
以上の通シで、本発明は非晶質金属粉末を原材料として
使用し、欠陥の無い非晶質金属粉末成形体を得ることを
可能とする工業的方法を提供するものであシ、非晶質金
属の用途拡大を可能にするものであシその工業的価値は
大である。In summary, the present invention provides an industrial method that uses amorphous metal powder as a raw material and makes it possible to obtain a defect-free amorphous metal powder compact. It makes it possible to expand the uses of quality metals and has great industrial value.
第１図は、本発明の実施例を示すための成形装置の説明
図。
第２図は、本発明方法にょシ得られた非晶質金属成形体
の組織を示す。
第３図は、比較の方法にょシ得られた非晶質金属成形体
の組織を示す。
図中：１・・・アンビル
２・・・アンビル内空間
３・・・加圧チップ
４・・・加圧ロット“
５・・・超音波振動発生装置FIG. 1 is an explanatory diagram of a molding apparatus for showing an embodiment of the present invention. FIG. 2 shows the structure of an amorphous metal compact obtained by the method of the present invention. FIG. 3 shows the structure of an amorphous metal compact obtained by the comparative method. In the diagram: 1...Anvil 2...Anvil interior space 3...Pressure tip 4...Pressure lot" 5...Ultrasonic vibration generator
Claims (1)
ップとの間に収容された非晶質金属粉末に超音波振動を
伝達させながら該加圧チップにより加圧圧縮して該非晶
質金属粉末を固結成形することを特徴とする非晶質金属
成形体の製造方法。 ２）非晶質金属粉末への超音波振動の伝達が加圧チップ
を介してなされることを特徴とする特許請求の範囲第１
項記載の非晶質金属成形体の製造方法。[Scope of Claims] 1) Pressurization and compression by the pressure tip while transmitting ultrasonic vibrations to the amorphous metal powder housed between the anvil interior space having an opening and the pressure tip that closes the opening. A method for producing an amorphous metal molded body, which comprises solidifying and molding the amorphous metal powder. 2) Claim 1, characterized in that the ultrasonic vibration is transmitted to the amorphous metal powder via a pressurizing tip.
A method for producing an amorphous metal molded body as described in 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14442684A JPS6126703A (en) | 1984-07-13 | 1984-07-13 | Production of amorphous metallic compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14442684A JPS6126703A (en) | 1984-07-13 | 1984-07-13 | Production of amorphous metallic compact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6126703A true JPS6126703A (en) | 1986-02-06 |
| JPH055881B2 JPH055881B2 (en) | 1993-01-25 |
Family
ID=15361911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14442684A Granted JPS6126703A (en) | 1984-07-13 | 1984-07-13 | Production of amorphous metallic compact |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6126703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380887A (en) * | 2018-03-20 | 2018-08-10 | 深圳大学 | A kind of ultrasonic vibration sintering method and device |
| WO2018187900A1 (en) * | 2017-04-10 | 2018-10-18 | Shenzhen University | System and method for fabrication of bulk nanocrystal alloy |
| CN111531175A (en) * | 2020-05-09 | 2020-08-14 | 苏州大学 | Powder slurry ultrasonic field assisted embossing forming microstructure device |
-
1984
- 1984-07-13 JP JP14442684A patent/JPS6126703A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018187900A1 (en) * | 2017-04-10 | 2018-10-18 | Shenzhen University | System and method for fabrication of bulk nanocrystal alloy |
| CN108698125A (en) * | 2017-04-10 | 2018-10-23 | 深圳大学 | The system and method for manufacturing bulk nanocrystalline alloy |
| CN108380887A (en) * | 2018-03-20 | 2018-08-10 | 深圳大学 | A kind of ultrasonic vibration sintering method and device |
| CN111531175A (en) * | 2020-05-09 | 2020-08-14 | 苏州大学 | Powder slurry ultrasonic field assisted embossing forming microstructure device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055881B2 (en) | 1993-01-25 |
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