JPH08225866A - Metallic porous body having three-dimensional network structure and its production - Google Patents
Metallic porous body having three-dimensional network structure and its productionInfo
- Publication number
- JPH08225866A JPH08225866A JP7033835A JP3383595A JPH08225866A JP H08225866 A JPH08225866 A JP H08225866A JP 7033835 A JP7033835 A JP 7033835A JP 3383595 A JP3383595 A JP 3383595A JP H08225866 A JPH08225866 A JP H08225866A
- Authority
- JP
- Japan
- Prior art keywords
- iron
- porous body
- skeleton
- dimensional network
- nickel
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 238000007747 plating Methods 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 238000009792 diffusion process Methods 0.000 claims abstract description 5
- 239000011230 binding agent Substances 0.000 claims abstract description 3
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000004925 Acrylic resin Substances 0.000 abstract description 2
- 229920000178 Acrylic resin Polymers 0.000 abstract description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 239000011496 polyurethane foam Substances 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract 2
- -1 carboxylmethyl Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000011162 core material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/114—Making porous workpieces or articles the porous products being formed by impregnation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は電池用電極、各種フィル
ター、触媒の担持体等として用いるのに適した連通孔を
有する三次元網状構造の金属多孔体の製造方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a porous metal body having a three-dimensional network structure having communicating holes suitable for use as an electrode for batteries, various filters, a carrier for a catalyst and the like.
【０００２】[0002]
【従来の技術】連通孔を有した三次元網状構造の金属多
孔体の製造方法には、特開昭５７−１７４４８４などの
メッキ法によるものと、特公昭３８−１７５５４などの
焼結法によるものがある。メッキ法ではウレタンフォー
ムなどの発泡樹脂の骨格表面にカーボン粉末等を塗着す
ることにより導電化処理を行い、その上に電気メッキ法
により金属を電析させ、その後発泡樹脂及びカーボンを
焼失させ金属多孔体を得るという方法である。この方法
では金属多孔体に要求される強度等の特性は満足しうる
ものの、その製造工程が繁雑であるためコスト高とな
る。2. Description of the Related Art A method for producing a porous metal body having a three-dimensional network structure having communicating holes includes a plating method such as JP-A-57-174484 and a sintering method such as JP-B-38-17554. There is. In the plating method, carbon powder is applied to the skeleton surface of foamed resin such as urethane foam to conduct conductivity, and the metal is electrodeposited by electroplating, and then the foamed resin and carbon are burned off. It is a method of obtaining a porous body. With this method, the properties such as strength required for the porous metal body can be satisfied, but the manufacturing process is complicated, resulting in high cost.
【０００３】一方、特公昭３８−１７５５４に記載の焼
結方式による金属多孔体の製造方法では、スラリー化し
た金属粉末をウレタンフォームなどの発泡樹脂の骨格表
面に含浸塗布し、その後乾燥加熱することにより、金属
粉末を焼結する方法が記載されている。しかし本発明者
等の知見によると、格別の工夫をすることなく製造した
この方法では、金属多孔体としての強度が弱いため、実
際に電極板や各種フィルター等に使用する際に必要とな
る曲げ加工等の加工に耐えないという問題があった。On the other hand, in the method for producing a metal porous body by the sintering method described in Japanese Examined Patent Publication No. 38-17554, slurry metal powder is impregnated and applied on the skeleton surface of a foamed resin such as urethane foam, and then dried and heated. Describes a method of sintering metal powder. However, according to the knowledge of the present inventors, in this method manufactured without any special device, since the strength as a metal porous body is weak, it is necessary to bend the electrode plate or various filters when actually used. There was a problem that it could not withstand processing such as processing.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上記従来例の
如く繁雑な製造工程を必要とすることや、電池用電極、
各種フィルター、触媒の担持体等として用いるのに必要
な強度さらには耐食性の付与といった課題を解決すべ
く、新たな知見に基づいて金属多孔体の製造方法を提供
する。DISCLOSURE OF THE INVENTION The present invention requires complicated manufacturing steps as in the above-mentioned conventional example, and battery electrodes,
In order to solve the problems of imparting strength and corrosion resistance necessary for use as a support for various filters and catalysts, etc., a method for producing a porous metal body is provided based on new findings.
【０００５】[0005]
【課題を解決するための手段】本発明は、三次元網状骨
格中心部が鉄もしくは鉄合金からなり、骨格外周部がニ
ッケルからなることを特徴とする三次元網状構造金属多
孔体並びに多孔性樹脂芯体の骨格表面を、鉄を主成分と
する金属粉末と有機結着剤とを主成分とするペーストで
被覆し、ついで前記金属粉末が焼結する温度以上に非酸
化性雰囲気中で加熱して三次元網状金属多孔体を製造
し、さらに電解ニッケルメッキを施すことを特徴とする
三次元網状構造金属多孔体の製造方法である。又、鉄も
しくは鉄合金とニッケルメッキ層との間に拡散層があっ
てもよく、その場合には、電解ニッケルメッキを施した
後さらに焼結する。DISCLOSURE OF THE INVENTION The present invention is a three-dimensional reticulated metal porous body and a porous resin in which the center of the three-dimensional reticulated skeleton is made of iron or an iron alloy and the outer periphery of the skeleton is made of nickel. The skeleton surface of the core is coated with a paste containing a metal powder containing iron as a main component and an organic binder as a main component, and then heated in a non-oxidizing atmosphere at a temperature at which the metal powder is sintered or higher. The method for producing a three-dimensional reticulated metal porous body is characterized in that a three-dimensional reticulated metal porous body is produced by electrolytically nickel plating. A diffusion layer may be provided between the iron or iron alloy and the nickel plating layer. In that case, electrolytic nickel plating is performed and then sintering is performed.
【０００６】三次元網状骨格の中心が鉄もしくは鉄合金
であることにより骨格強度が大となる。又、骨格表面が
ニッケルメッキであることにより耐食性が増す。又、両
者の間に拡散層を設けることにより、より一層骨格強度
が向上する。骨格内部の鉄系層の形成はメッキによらな
いので、製造が容易となる。骨格内部の鉄系層の焼結が
進んでいなくとも、表面付近の焼結がすすんでいれば、
機械的強度が保持できるので、製造が容易となる。又、
本発明に用いる多孔性樹脂芯体は発泡樹脂、樹脂繊維か
らなるフェルト、不織布および織布などが用いられる。Since the center of the three-dimensional reticulated skeleton is iron or an iron alloy, the skeleton strength is high. Further, the skeleton surface is nickel-plated, so that the corrosion resistance is increased. Further, the skeleton strength is further improved by providing the diffusion layer between the both. Since the iron-based layer inside the skeleton is not formed by plating, it is easy to manufacture. Even if sintering of the iron-based layer inside the skeleton has not progressed, if the sintering near the surface is proceeding,
Since the mechanical strength can be maintained, manufacturing becomes easy. or,
As the porous resin core body used in the present invention, foamed resin, felt made of resin fiber, non-woven fabric, woven fabric and the like are used.
【０００７】[0007]
実施例１ 重量％で−３５０メッシュの球状カーボニル鉄粉末５０
％、アクリル樹脂１０％、カルボキシルメチルセルロー
ス２％、水３８％を配合し、１２時間混合してスラリー
液を作製した。Example 1 50% spherical carbonyl iron powder by weight of -350 mesh
%, Acrylic resin 10%, carboxymethyl cellulose 2%, and water 38% were mixed and mixed for 12 hours to prepare a slurry liquid.
【０００８】次に厚さ２．５ｍｍで１インチ当りの空孔
数が約５０個のポリウレタンフォームを上記スラリー液
に含浸させた後、絞りロールにて過剰含浸塗着分を除去
し、室温中１時間放置して乾燥させた。この塗着物を水
蒸気流中で３０℃／分の昇温速度で１１００℃まで昇温
し、１１００℃で３０分間焼結して、三次元網目状構造
の鉄多孔体を得た。次にこの鉄多孔体にワット浴を用い
て１０Ａ／ｄｍ2の条件で電解Ｎｉメッキを施し、２０
０ｇ／ｍ2の割合でＮｉメッキを施した。得られた金属
多孔体のＦｅ，Ｎｉ重量および空孔率、強度、電気抵抗
を評価した結果を表１に示す。なお、比較のため同重量
の従来のＮｉ単独の金属多孔体の空孔率、強度、電気抵
抗も併せて表１に示す。強度は１５ｍｍ幅で測定した値
を示し、電気抵抗は１ｃｍ幅、長さ１０ｃｍで測定し
た。Next, after impregnating the above-mentioned slurry liquid with polyurethane foam having a thickness of 2.5 mm and having about 50 pores per inch, the excess impregnated coating was removed with a squeezing roll, and the mixture was kept at room temperature. It was left to dry for 1 hour. This coated material was heated to 1100 ° C. at a temperature rising rate of 30 ° C./min in a steam flow and sintered at 1100 ° C. for 30 minutes to obtain a porous iron body having a three-dimensional network structure. Next, this iron porous body was subjected to electrolytic Ni plating using a Watt bath under the condition of 10 A / dm 2 ,
Ni plating was applied at a rate of 0 g / m 2 . Table 1 shows the results of evaluation of Fe, Ni weight, porosity, strength, and electric resistance of the obtained porous metal body. For comparison, Table 1 also shows the porosity, strength, and electric resistance of a conventional porous metal body of Ni alone having the same weight. The strength is a value measured in a width of 15 mm, and the electric resistance is measured in a width of 1 cm and a length of 10 cm.
【０００９】[0009]
【表１】 [Table 1]
【００１０】実施例２ 実施例１で得られた多孔体を水素雰囲気中でさらに８０
０℃で５分間加熱処理し、ＦｅとＮｉとの間に拡散層を
形成させる。Example 2 The porous body obtained in Example 1 was further subjected to 80% hydrogen atmosphere.
Heat treatment is performed at 0 ° C. for 5 minutes to form a diffusion layer between Fe and Ni.
【００１１】[0011]
【表２】 [Table 2]
【００１２】[0012]
【発明の効果】本発明は鉄あるいは鉄合金を芯材にも
ち、外周部がニッケルである金属多孔体であり、骨格内
部の強度と外部の耐食性の両性質を兼ね備えたもので、
曲げないで使用される特殊な大型電池用の極板に使用し
て有用である。又、製造法としては鉄を芯材に用いるた
め製造が容易となり、コストを低減することができる。INDUSTRIAL APPLICABILITY The present invention is a metal porous body having iron or an iron alloy as a core material and an outer peripheral portion of nickel, which has both the strength inside the skeleton and the external corrosion resistance.
It is useful as an electrode plate for special large batteries that are used without bending. In addition, as a manufacturing method, since iron is used as the core material, the manufacturing is facilitated and the cost can be reduced.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ２５Ｄ 7/00 Ｈ０１Ｍ 4/80 Ｂ Ｂ０１Ｊ 23/74 ３２１Ｘ Ｈ０１Ｍ 4/80 Ｂ２２Ｆ 3/10 Ｃ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C25D 7/00 H01M 4/80 B B01J 23/74 321X H01M 4/80 B22F 3/10 C
Claims (4)
金からなり、骨格外周部がニッケルからなることを特徴
とする三次元網状構造金属多孔体。1. A three-dimensional reticulated metal porous body, wherein the center of the three-dimensional reticulated skeleton is made of iron or an iron alloy, and the outer periphery of the skeleton is made of nickel.
拡散層がある請求項１記載の三次元網状構造金属多孔
体。2. The three-dimensional network structured metal porous body according to claim 1, wherein a diffusion layer of iron or iron alloy and nickel is provided between the two.
分とする金属粉末と有機結着剤とを主成分とするペース
トで被覆し、ついで前記金属粉末が焼結する温度以上に
非酸化性雰囲気中で加熱して三次元網状金属多孔体を製
造し、さらに電解ニッケルメッキを施すことを特徴とす
る三次元網状構造金属多孔体の製造方法。3. The skeleton surface of the porous resin core is coated with a paste containing iron-based metal powder and an organic binder as the main components, and the temperature is raised to a temperature at which the metal powder is sintered or higher. A method for producing a three-dimensional network structure metal porous body, which comprises heating in a non-oxidizing atmosphere to produce a three-dimensional network metal porous body, and further performing electrolytic nickel plating.
結する請求項３記載の三次元網状構造金属多孔体の製造
方法。4. The method for producing a porous metal body having a three-dimensional network structure according to claim 3, further comprising electrolytic nickel plating followed by sintering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7033835A JPH08225866A (en) | 1995-02-22 | 1995-02-22 | Metallic porous body having three-dimensional network structure and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7033835A JPH08225866A (en) | 1995-02-22 | 1995-02-22 | Metallic porous body having three-dimensional network structure and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08225866A true JPH08225866A (en) | 1996-09-03 |
Family
ID=12397554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7033835A Pending JPH08225866A (en) | 1995-02-22 | 1995-02-22 | Metallic porous body having three-dimensional network structure and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08225866A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2773173A1 (en) * | 1997-12-31 | 1999-07-02 | Scps | High porosity three-dimensional structures made fro chromium based refractory alloys |
| JP2000040516A (en) * | 1998-07-23 | 2000-02-08 | Agency Of Ind Science & Technol | Alkaline secondary battery electrode substrate |
| WO2005095029A2 (en) * | 2004-03-19 | 2005-10-13 | Inco Limited | A metal foam body having an open-porous structure as well as a method for the production thereof |
| CN100334257C (en) * | 2004-09-21 | 2007-08-29 | 菏泽天宇科技开发有限责任公司 | Preparation of alloy foaming nickel |
| KR100831827B1 (en) * | 2004-03-19 | 2008-05-28 | 베일 인코 리미티드 | A metal foam body having an open-porous structure as well as a method for the production thereof |
| JP2009082651A (en) * | 2007-10-03 | 2009-04-23 | Kanai Hiroaki | Catheter tube molding core material and production method thereof |
| CN102409237A (en) * | 2010-08-10 | 2012-04-11 | 阿兰图姆公司 | Open-porous metal foam body and a method of fabricating the same |
| JP2012196620A (en) * | 2011-03-22 | 2012-10-18 | Sumitomo Electric Ind Ltd | Gas decomposing element, method for production thereof, and ammonia decomposition method |
| JP2013020847A (en) * | 2011-07-12 | 2013-01-31 | Sumitomo Electric Ind Ltd | Porous heating body, porous heating element, and gas decomposition element |
| CN104691046A (en) * | 2013-12-10 | 2015-06-10 | 艾蓝腾欧洲有限公司 | Metallic foam body with controlled grain size on its surface, process for its production and use thereof |
| CN114054743A (en) * | 2021-12-17 | 2022-02-18 | 武汉苏泊尔炊具有限公司 | Corrosion-resistant material, method for producing same, and corrosion-resistant coating formed therefrom |
-
1995
- 1995-02-22 JP JP7033835A patent/JPH08225866A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2773173A1 (en) * | 1997-12-31 | 1999-07-02 | Scps | High porosity three-dimensional structures made fro chromium based refractory alloys |
| EP1060818A1 (en) * | 1997-12-31 | 2000-12-20 | S.C.P.S. Société de Conseil et de Prospective Scientifique S.A. | Highly porous three-dimensional chromium containing alloy structures |
| US6287446B1 (en) | 1997-12-31 | 2001-09-11 | S.C.P.S. Societe De Coneil Et De Prospective Scientifique S.A. | High porosity three-dimensional structures in chromium based alloys |
| JP2000040516A (en) * | 1998-07-23 | 2000-02-08 | Agency Of Ind Science & Technol | Alkaline secondary battery electrode substrate |
| KR100831827B1 (en) * | 2004-03-19 | 2008-05-28 | 베일 인코 리미티드 | A metal foam body having an open-porous structure as well as a method for the production thereof |
| US8012598B2 (en) | 2004-03-19 | 2011-09-06 | Alantum Corporation | Metal foam body having an open-porous structure as well as a method for the production thereof |
| WO2005095029A3 (en) * | 2004-03-19 | 2006-06-08 | Inco Ltd | A metal foam body having an open-porous structure as well as a method for the production thereof |
| JP2007527954A (en) * | 2004-03-19 | 2007-10-04 | シーブイアールディ、インコ、リミテッド | Metal foam having open pore structure and method for producing the same |
| WO2005095029A2 (en) * | 2004-03-19 | 2005-10-13 | Inco Limited | A metal foam body having an open-porous structure as well as a method for the production thereof |
| JP2010144254A (en) * | 2004-03-19 | 2010-07-01 | Vare Inco Ltd | Metal foam body having open-porous structure and method for producing the same |
| CN100334257C (en) * | 2004-09-21 | 2007-08-29 | 菏泽天宇科技开发有限责任公司 | Preparation of alloy foaming nickel |
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