JPH02217184A - Clad spring material having damping effect and manufacture thereof - Google Patents
Clad spring material having damping effect and manufacture thereofInfo
- Publication number
- JPH02217184A JPH02217184A JP3662689A JP3662689A JPH02217184A JP H02217184 A JPH02217184 A JP H02217184A JP 3662689 A JP3662689 A JP 3662689A JP 3662689 A JP3662689 A JP 3662689A JP H02217184 A JPH02217184 A JP H02217184A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- stainless steel
- spring material
- bonded
- damping effect
- 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
- 239000000463 material Substances 0.000 title claims abstract description 36
- 230000000694 effects Effects 0.000 title claims abstract description 12
- 238000013016 damping Methods 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 33
- 239000010949 copper Substances 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 25
- 239000010935 stainless steel Substances 0.000 claims abstract description 25
- 238000005253 cladding Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000005304 joining Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910017813 Cu—Cr Inorganic materials 0.000 description 1
- 229910017888 Cu—P Inorganic materials 0.000 description 1
- 229910017945 Cu—Ti Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- 229910017985 Cu—Zr Inorganic materials 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- -1 cu-AJ 20 3 Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Contacts (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、振動を発生し易いところに使用して優れた制
振効果を有するクラッドはね材およびその製造方法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a cladding spring material that has an excellent vibration damping effect when used in places where vibrations are likely to occur, and a method for manufacturing the same.
［従来の技術］
最近の金属材料に対する特性の要求は、非常に多様化し
複雑化してきており、羊−材料によってこれらの要求に
十分に対応することは困難な場合が多い。[Prior Art] Recently, the requirements for properties of metal materials have become extremely diversified and complicated, and it is often difficult to sufficiently meet these requirements using sheep materials.
ステンレス鋼とくに析出硬化型セミオーステナイト系ス
テンレス鋼く例えば１７−７ＰＨ鋼）の両面に銅をクラ
ッドした銅／ステンレス鋼／銅の３層クラッド材は、ス
テンレス鋼の有する優れたばね限界値や弾性係数と銅の
有する優れた導電性とを効率よく組合せ通常のばね材料
革独では得られない高導電性とばね限界値および弾性係
数を併せ保有させたものであり、電子機器や小型電気部
品などにおける高特性の導電用ばね材やその他の用途に
実用化されている。A three-layer clad material of copper/stainless steel/copper, which is made by cladding copper on both sides of stainless steel, especially precipitation hardening semi-austenitic stainless steel (e.g. 17-7PH steel), has the excellent spring limit value and elastic modulus of stainless steel. By efficiently combining the excellent conductivity of copper, it possesses high conductivity, a spring limit value, and an elastic modulus that cannot be obtained with ordinary spring material leather, making it ideal for use in electronic devices and small electrical parts. It has been put into practical use as a conductive spring material and other uses.
［発明か解決しようとする課題］
上記した銅／ステンレス鋼／銅の３層クラッド材の用途
の一つに、第４図に示した小型モータのブラシ固定用は
ね片としての使用かある。図において２０はスリットロ
ータであり、上記クラッド材よりなるばねハ２２のばね
付勢によってカーボンブラシ２１をロータ２０に押圧接
触させるものであって、クラッドばね片２２はばね材と
しての役目と同時に導電材としての役目をも果している
ものである。[Problems to be Solved by the Invention] One of the uses of the above-mentioned three-layer cladding material of copper/stainless steel/copper is as a spring piece for fixing the brush of a small motor shown in FIG. In the figure, 20 is a slit rotor, which presses the carbon brush 21 into contact with the rotor 20 by the spring bias of the spring 22 made of the clad material, and the clad spring piece 22 serves as a spring material and conducts electricity. It also serves as a material.
しかし、上記小型モータ用として使用されるばね片２２
は、板厚か０．１ｍｍ程度と非常に薄く、ロータの回転
か速くなるにつれ（通常１．８０Ｏｒ０１１１前後とな
る）、ロータ２０とブラシ２１の接触による振動か発生
し、これがばね片２２を振動させて騒音発生の原因とな
ることかある。However, the spring piece 22 used for the small motor is
is very thin, about 0.1mm in thickness, and as the rotor rotates faster (usually around 1.80Or0111), vibrations occur due to contact between the rotor 20 and the brushes 21, which causes the spring pieces 22 to vibrate. This may cause noise generation.
ばね片２２になんらかの制振効果をもたせることでかか
る騒音の発生を抑止することかできるが、現用のクラッ
ド材にかかる効果を求めることはできない。Although it is possible to suppress the generation of such noise by giving the spring piece 22 some kind of damping effect, it is not possible to obtain such an effect from the currently used cladding material.
本発明の目的は、上記したような従来技術の問題点を解
消し、材料自身が制振効果を発揮することのできる新規
なりラッドはね材およびその製造方法を堤供しようとす
るものである。The purpose of the present invention is to solve the problems of the prior art as described above, and to provide a new rad spring material in which the material itself can exhibit a vibration damping effect, and a method for manufacturing the same. .
［課題を解決するための手段」
本発明は、銅／ステンレス鋼／銅の３層！！４造よりな
るクラッドばね材において、銅とステンレス鋼との界面
に両者か冶金学的に強固に接合している接合部とかかる
接合をしていない非接合部とを形成したものであり、さ
らに、銅とステンレス鋼を圧延圧接させてクラッド材を
製造するに当り、圧接する両金属の非接合部を形成した
い表面に接合妨害のための皮膜模様を形成し、両金属を
重ね合せ圧接したのち、必要な拡散熱処理を施して前記
皮膜模様のない界面を冶金学的に接合させ、皮膜模様の
ある界面か非接合状態となるようにクラッドはね材を製
造するものである。[Means for Solving the Problems] The present invention uses three layers of copper/stainless steel/copper! ! In a clad spring material made of four parts, a joint part where the copper and stainless steel are strongly joined metallurgically and a non-joint part where such a joint is not formed are formed at the interface between copper and stainless steel, and further: When manufacturing a cladding material by rolling and pressure welding copper and stainless steel, a film pattern is formed on the surfaces of the two metals to be pressure-welded where a non-bonded part is to be formed to prevent the bonding, and after the two metals are overlapped and pressure-welded. The cladding material is produced by subjecting the necessary diffusion heat treatment to metallurgically bonding the interface without the film pattern, and leaving the interface with the film pattern in a non-bonded state.
［作用］
銅とステンレスの界面に完全に接合していない部分を故
意に形成ずれは、この非接合部か振動を吸収する効果を
発揮することになり、騒音の発生か大巾に低減される。[Function] If a part that is not completely joined to the interface between copper and stainless steel is intentionally misaligned, this non-joint part will have the effect of absorbing vibrations, and the noise generation will be greatly reduced. .
そのような非接合部は、印刷や転写法などを用い接合す
る表面に求める非接合部に相当する接合妨害皮膜の極薄
層模様を形成しておくことで容易に形成できる。Such a non-bonded part can be easily formed by forming an ultra-thin layer pattern of a bonding-obstructing film corresponding to the desired non-bonded part on the surfaces to be bonded using a printing or transfer method.
［実施例］ 以下に、本発明について実施例を参照し説明する。[Example] The present invention will be described below with reference to Examples.
第１図は、本発明に係る３層クラッド材の断面図である
８１はステンレス鋼であり、ばね材を構成する場合であ
れば例えば１５−７ＰＨ鋼（代表組成０．０４４％Ｃ３
１，５３％Ｓｉ 、０．３０％Ｍｎ 、０．０２５％Ｐ
、０．００４％Ｓ、７．２１％Ｎｉ １４．７０％Ｃ
ｒ、０．７０％Ｃｕ、０．４３％′Ｉ″ｉ 、０．０２
５％ＡＩ、０．００９％Ｎｉ）か適当である。２は銅層
であり、導電率の確保の上からすれは純銀を用いること
か好ましい。しかし、ばね性をより向上させかつＡＱろ
う付けや半田付けにおける耐熱特性を向上させる上から
ずれは、合金元素の添加が２重量％未満のｃｕ −８ｎ
、Ｃｕ −Ｚｒ 、Ｃｕ −Ｐ、ｃｕ −ＡＪ ２０
３ 、ｃｕ Ｚｎ 、Ｃｕ−ｃｒ、Ｃｕ−Ｔｉ合金な
どを用いるのかよい。FIG. 1 is a cross-sectional view of a three-layer cladding material according to the present invention. Reference numeral 81 is stainless steel, for example, 15-7PH steel (typical composition 0.044% C3) when forming a spring material.
1,53%Si, 0.30%Mn, 0.025%P
, 0.004%S, 7.21%Ni 14.70%C
r, 0.70%Cu, 0.43%′I″i, 0.02
5% AI, 0.009% Ni) or appropriate. 2 is a copper layer, and it is preferable to use pure silver for the top layer to ensure conductivity. However, the difference in improving the spring properties and the heat resistance properties in AQ brazing and soldering is that the addition of alloying elements is less than 2% by weight of Cu-8n.
, Cu-Zr, Cu-P, cu-AJ 20
3, Cu-Zn, Cu-Cr, Cu-Ti alloy, etc. may be used.
本発明においては、ステンレス鋼１と１％Ｉ２との接合
界面には、両金属か冶金学的に強固に接合されでいる接
合部３とかかる完全な接合のなされていない非接合部４
が形成される。この非接合部４を設けることにより重ね
板効果か生じ、その部分での振動吸収作用が行なわれて
、振動に起因する騒音の発生を抑制するのである。In the present invention, at the bonding interface between stainless steel 1 and 1% I2, there is a bonded portion 3 where the two metals are firmly bonded metallurgically, and a non-bonded portion 4 where such complete bonding is not made.
is formed. Providing this non-jointed portion 4 creates a stacked plate effect, which absorbs vibrations and suppresses the generation of noise caused by vibrations.
このような非接合部４を形成するには、接合する金属素
材例えばステンレス鋼１の表面に、第２図に示すような
矩形状あるいは第３図に示すような縦縞状など所望の模
様をロール転写法やインクスクリーン印刷法など適宜な
方法で形成して接合妨害皮膜１０を形成しておき、この
ような表面に相手側金属素材である銅２を重ね合せて圧
延、圧接し、前記ステンレス鋼１の表面の露出されてい
る露出面１１と銅２とを接合させ、その後熱処理により
界面の拡散を行なわせれば、露出面１１での接合界面は
冶金学的に強固に接合されて前記接合部３を形成し、皮
Ｍ１０の設Ｃ′ｌられた面では接台が行なわれず、非接
合部４を形成することかできる。To form such a non-joint part 4, a desired pattern such as a rectangular shape as shown in FIG. 2 or a vertical striped shape as shown in FIG. 3 is rolled on the surface of the metal material to be joined, such as stainless steel 1. A bonding prevention film 10 is formed by an appropriate method such as a transfer method or an ink screen printing method, and copper 2, which is a mating metal material, is superimposed on such a surface and rolled and pressure bonded to the stainless steel. If the exposed surface 11 of the copper 2 is bonded to the copper 2, and then the interface is diffused by heat treatment, the bonded interface at the exposed surface 11 will be metallurgically firmly bonded, and the bonded portion will be 3 is formed, and no attachment is performed on the surface of the skin M10 where C'l is provided, and a non-joining portion 4 can be formed.
実施例１
板厚２．０ｍｍ、巾１．２０ ｍｍの１５−７ＰＨステ
ンレス鋼の表面に、第２図に示すような模様の接合妨害
皮膜をインクスクリーン印刷法により形成し、その両面
に厚さ０．２ｒｎｍ、中１２０ｍｍの純銀を重ね合せ、
冷間で圧延圧接して板厚０．５６＋ｎｍのクラッド材と
したうこれを１０００℃で拡散加熱して印刷インクの存
在しない部分を完全に冶金学的に接合させ、その後０．
１ｒｎｍ厚に仕上げ圧延した。Example 1 On the surface of 15-7PH stainless steel with a thickness of 2.0 mm and a width of 1.20 mm, a bonding prevention film with a pattern as shown in Fig. 2 was formed by an ink screen printing method, and the thickness was Overlapping 0.2rnm, 120mm pure silver,
The clad material is cold rolled and welded to a plate thickness of 0.56+nm, and then diffusion heated at 1000°C to completely metallurgically bond the areas where no printing ink is present, and then 0.56+nm thick.
Finish rolling was performed to a thickness of 1 nm.
これを打抜いてモータ用クラッドばね片とし、第４図の
ようにロータ部分に組込んで実際にモータを回転させ振
動音を測定した。その結果、界面すべてが接合されてい
る従来例のクラッドばね片を使用したものと比較して、
振動音が１０ｄＢ低下することが確認された。This was punched out to make a clad spring piece for a motor, which was assembled into the rotor part as shown in Figure 4, and the motor was actually rotated to measure the vibration noise. As a result, compared to the conventional example using clad spring pieces in which all interfaces are bonded,
It was confirmed that the vibration sound was reduced by 10 dB.
実施例２
実施例１と同じ材料および寸法の組合せで第３図のよう
に縦縞に接合妨害皮膜を１１−ル転写した１５−７ＰＨ
ステンレス鋼の両面にＣｕ−０，１％Ｚｒ合金条を圧延
圧接し、１０００℃で拡散加熱後、０．１１０ｌｌ１に
仕上止針し、打抜いて実施例１と同じモータ用カーボン
ブラシ固定ばね片とした。実際にモータを回転させ、従
来例のクラッドはね片を用いた場合と比較した結果、上
記はね片を用いたものは振動音を１５（ＩＢ低下できる
ことか確認された。Example 2 15-7PH with the same combination of materials and dimensions as Example 1, with a bonding interference film transferred in vertical stripes as shown in Figure 3.
Cu-0.1% Zr alloy strips were rolled and welded to both sides of stainless steel, and after diffusion heating at 1000°C, finish fixing was performed to 0.110ll1, and punched out to obtain the same motor carbon brush fixing spring piece as in Example 1. And so. As a result of actually rotating the motor and comparing it with a case using a conventional clad spring piece, it was confirmed that the motor using the above-mentioned spring piece could reduce vibration noise by 15 (IB).
なお、本発明は、第１図に示すように両面の銅の板厚比
か同じクラッド材に限らず、板厚比の異なる銅をクラッ
ドする場合も適用可能である。Note that the present invention is not limited to cladding materials having the same plate thickness ratio of copper on both sides as shown in FIG. 1, but is also applicable to cases where copper cladding materials having different plate thickness ratios are used.
また、表面の銅あるいは銅合金を上下面とも同一材料に
よらず、例えば上面を純銀とし下面を他の銅合金とした
ような異なる材料よりなる３層栴造のクラッドはね材に
も応用可能である。It can also be applied to 3-layer cladding materials made of different materials, such as pure silver on the top and another copper alloy on the bottom, instead of using the same material for both the top and bottom copper or copper alloy surfaces. It is.
そしてまた、特性面からすれは、導電性を望む場合は銅
層の構成比を大きくし、はね性をとくに望む場合はステ
ンレス鋼の構成比を大きくするなと、単に構成比を変え
るたけでさまざまな要求特性に対応することか可能とな
る６
［発明の効果］
以上の通り、本発明によれば、優れたばね性と導電性を
有するばね材を安価な材料の組合せにより工業的に量産
できる上、その板厚構成比を自由に変えることでさまざ
まな特性に対応できるというクラッド材特有の効果を発
揮できるものであり、併せて非接合部の面積を選択する
ことにより優れな制振効果を選び得るなど、ばね材とし
ての性能向上に加え振動発生源に適確に対応し得る意義
は大きい６Furthermore, in terms of characteristics, if you want conductivity, you should increase the composition ratio of the copper layer, and if you especially want resilience, you should not increase the composition ratio of stainless steel, just by changing the composition ratio. [Effects of the Invention] As described above, according to the present invention, spring materials with excellent spring properties and conductivity can be industrially mass-produced by combining inexpensive materials. Moreover, by freely changing the plate thickness composition ratio, the cladding material can exhibit the unique effect of being able to respond to various characteristics, and by selecting the area of the non-bonded part, it can also achieve an excellent vibration damping effect. In addition to improving its performance as a spring material, it has great significance in being able to respond appropriately to vibration sources6.
第１図は本発明に係る実施例の断面図、第２および３図
はクラッドする一方の素材の表面に接合妨害皮膜を形成
した様子を示す説明図、第４図は本発明に係るクラッド
材を小型モータのブラシ支持用ばね片として使用してい
る例を示す説明図であるへ
１ ：
２ ：
３ ：
４ ：
１０ ：
１１ ニ
ステンレス鋼、
銅、
接合部、
非接合部、
接合妨害皮膜、
露出面。Fig. 1 is a cross-sectional view of an embodiment of the present invention, Figs. 2 and 3 are explanatory diagrams showing how a bonding prevention film is formed on the surface of one of the cladding materials, and Fig. 4 is a cladding material according to the present invention. 1:2:3:4:10:11 stainless steel, copper, bonded area, non-bonded area, bonding obstruction film, exposed surface.
Claims (2)
ステンレス鋼との界面には両者が冶金学的に強固に接合
している接合部とかかる接合をしていない非接合部とが
形成されてなる制振効果を有するクラッドばね材。(1) It has a three-layer structure of copper/stainless steel/copper, and the interface between copper and stainless steel has a joint part where the two are strongly joined metallurgically, and a non-joint part where such a joint is not made. A clad spring material that has a vibration damping effect.
製造するに当り、圧接する両金属の非接合部を形成した
い表面に接合妨害のための皮膜模様を形成し、両金属を
重ね合せ圧接したのち、必要な拡散熱処理を施して前記
皮膜模様のない界面を冶金学的に接合させ、皮膜模様の
ある界面を非接合状態とするクラッドばね材の製造方法
。(2) When producing a cladding material by rolling welding copper and stainless steel, a film pattern is formed on the surfaces of the two metals to be welded where a non-bonded part is desired to be formed, and the two metals are overlapped and welded together by pressure. After that, a necessary diffusion heat treatment is performed to metallurgically bond the interface without the film pattern, and the interface with the film pattern is left in a non-bonded state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1036626A JP2513298B2 (en) | 1989-02-16 | 1989-02-16 | Method for manufacturing conductive clad spring material having damping effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1036626A JP2513298B2 (en) | 1989-02-16 | 1989-02-16 | Method for manufacturing conductive clad spring material having damping effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02217184A true JPH02217184A (en) | 1990-08-29 |
| JP2513298B2 JP2513298B2 (en) | 1996-07-03 |
Family
ID=12475034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1036626A Expired - Lifetime JP2513298B2 (en) | 1989-02-16 | 1989-02-16 | Method for manufacturing conductive clad spring material having damping effect |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513298B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008020276A1 (en) * | 2008-04-22 | 2009-10-29 | Thyssenkrupp Steel Ag | Producing a windable composite material with two layers, comprises casting and pre-rolling first and second slabs from a material provided for the layers, where the slabs are laminarly and materially bonded with one another by roll-bonding |
| US8771839B2 (en) | 2012-01-23 | 2014-07-08 | Hitachi Metals, Ltd. | Composite material |
| JP2019019403A (en) * | 2017-07-20 | 2019-02-07 | 株式会社特殊金属エクセル | Manufacturing method of electrode material |
| JP2020031009A (en) * | 2018-08-24 | 2020-02-27 | 日立金属株式会社 | Negative electrode collector foil for secondary battery |
| JP2020042958A (en) * | 2018-09-10 | 2020-03-19 | 日立金属株式会社 | Negative electrode current collector foil of secondary battery and manufacturing method thereof, negative electrode of secondary battery, and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924893A (en) * | 1982-07-30 | 1984-02-08 | 株式会社河合楽器製作所 | Reverberation plate for piano |
| JPS61114414A (en) * | 1984-11-08 | 1986-06-02 | 日立電線株式会社 | Clad spring material for electric conduction |
| JPS63246238A (en) * | 1987-04-01 | 1988-10-13 | 日新製鋼株式会社 | Vibration-damping metallic plate and manufacture thereof |
-
1989
- 1989-02-16 JP JP1036626A patent/JP2513298B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924893A (en) * | 1982-07-30 | 1984-02-08 | 株式会社河合楽器製作所 | Reverberation plate for piano |
| JPS61114414A (en) * | 1984-11-08 | 1986-06-02 | 日立電線株式会社 | Clad spring material for electric conduction |
| JPS63246238A (en) * | 1987-04-01 | 1988-10-13 | 日新製鋼株式会社 | Vibration-damping metallic plate and manufacture thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008020276A1 (en) * | 2008-04-22 | 2009-10-29 | Thyssenkrupp Steel Ag | Producing a windable composite material with two layers, comprises casting and pre-rolling first and second slabs from a material provided for the layers, where the slabs are laminarly and materially bonded with one another by roll-bonding |
| DE102008020276B4 (en) | 2008-04-22 | 2019-07-25 | Thyssenkrupp Steel Europe Ag | Method for producing a coatable composite material and its use |
| US8771839B2 (en) | 2012-01-23 | 2014-07-08 | Hitachi Metals, Ltd. | Composite material |
| JP2019019403A (en) * | 2017-07-20 | 2019-02-07 | 株式会社特殊金属エクセル | Manufacturing method of electrode material |
| JP2020031009A (en) * | 2018-08-24 | 2020-02-27 | 日立金属株式会社 | Negative electrode collector foil for secondary battery |
| JP2020042958A (en) * | 2018-09-10 | 2020-03-19 | 日立金属株式会社 | Negative electrode current collector foil of secondary battery and manufacturing method thereof, negative electrode of secondary battery, and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513298B2 (en) | 1996-07-03 |
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