JPH07195031A - Organic coated aluminum sheet material excellent in formability and scratch resistance - Google Patents
Organic coated aluminum sheet material excellent in formability and scratch resistanceInfo
- Publication number
- JPH07195031A JPH07195031A JP35209693A JP35209693A JPH07195031A JP H07195031 A JPH07195031 A JP H07195031A JP 35209693 A JP35209693 A JP 35209693A JP 35209693 A JP35209693 A JP 35209693A JP H07195031 A JPH07195031 A JP H07195031A
- Authority
- JP
- Japan
- Prior art keywords
- scratch resistance
- formability
- sheet material
- coating
- aluminum sheet
- 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 32
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims abstract description 8
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 4
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims abstract description 3
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 150000002148 esters Chemical class 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000004846 water-soluble epoxy resin Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は表面処理アルミ板材料に
関し、特に、自動車、車両、家電製品等のプレス成形等
の成形加工を施し、或いは更に塗装を施して使用される
分野において優れた成形性及び耐疵付性を発揮する表面
処理アルミ合金板材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface-treated aluminum plate material, and in particular, it is excellent in a field where it is used by molding such as press molding of automobiles, vehicles, home electric appliances or the like, or by applying coating. TECHNICAL FIELD The present invention relates to a surface-treated aluminum alloy sheet material that exhibits high resistance and scratch resistance.
【０００２】[0002]
【従来の技術】Ａl又はＡl合金材は、優れた耐食性と美
観(意匠性)を有しており、且つ軽量であることから、家
庭用電化製品のシャーシ或いは容器類等として幅広く利
用されている。2. Description of the Related Art Al or Al alloy materials have excellent corrosion resistance and aesthetics (design) and are lightweight, so they are widely used as chassis or containers for household electrical appliances. .
【０００３】また、最近では、Ａl合金の上記特性を活
かして自動車、車両等の分野においても利用されるよう
になり、プレス加工したり塗装して利用する機会が増え
ている。Further, recently, the Al alloy has been utilized in the fields of automobiles, vehicles, etc. by taking advantage of the above-mentioned characteristics, and there are increasing opportunities to use it by press working or painting.
【０００４】しかし、Ａl又はＡl合金材は、鉄に比べ、
成形性や耐疵付性等で劣っており、また、表面の酸化物
よりなる不働態皮膜の影響により、良好な塗装密着性も
得られ難い場合がある。However, Al or Al alloy material is
It may be inferior in moldability and scratch resistance, and it may be difficult to obtain good coating adhesion due to the effect of the passivation film made of an oxide on the surface.
【０００５】すなわち、Ａl合金材料は、冷延鋼板や表
面処理鋼板に比べ、成形性が悪く、またプレス成形等に
よって素材表層が剥離したり或いは金型に付着するビル
ドアップ現象を起こしたり、硬さが鋼等に比較して低い
ため鋼と同条件で成形した場合には疵が入り易いという
問題がある。That is, the Al alloy material has poor formability as compared with cold-rolled steel sheets and surface-treated steel sheets, and the surface layer of the material is peeled off by press forming or the like, or a build-up phenomenon occurs such that it adheres to the mold, Since the hardness is lower than that of steel and the like, there is a problem that when it is formed under the same conditions as steel, defects are likely to occur.
【０００６】また、塗装を必要とする場合、剥離若しく
は脱落した部分では、その後の下地処理が不十分とな
り、塗膜密着性が得られなくなるため、塗装後の耐食性
も悪くなるといった問題点があった。[0006] Further, when coating is required, in the peeled or dropped portion, the subsequent base treatment becomes insufficient and the adhesion of the coating film cannot be obtained, so that there is a problem that the corrosion resistance after coating also deteriorates. It was
【０００７】本発明は、上記のような問題点に鑑みて、
表面処理によって、優れた成形性と耐疵付性を具備させ
得る表面処理アルミ板材料を提供することを目的とする
ものである。The present invention has been made in view of the above problems.
It is an object of the present invention to provide a surface-treated aluminum plate material which can be provided with excellent formability and scratch resistance by the surface treatment.
【０００８】[0008]
【課題を解決するための手段】前記課題を解決するため
の手段として、本発明は、アルミ合金板材に、粒径０.
１μm以下のＳiＯ2を５〜４０％及び潤滑剤を５〜６０
％含む塗料が０.５〜１０μmの厚さで塗装されており、
摩擦係数が０.１５以下に制御されていることを特徴と
する成形性と耐疵付性に優れた表面処理アルミ板材料を
要旨としている。[Means for Solving the Problems] As a means for solving the above problems, the present invention provides an aluminum alloy sheet material with a grain size of 0.1.
5-40% of SiO 2 of 1 μm or less and 5-60% of lubricant
% Coating material is applied with a thickness of 0.5-10 μm,
The gist is a surface-treated aluminum plate material excellent in formability and scratch resistance, which is characterized in that the friction coefficient is controlled to be 0.15 or less.
【０００９】[0009]
【作用】以下に本発明について更に詳細に説明する。The present invention will be described in more detail below.
【００１０】本発明では、Ａl合金板材の表面に表面処
理として有機被覆する。樹脂としては適当なものを使用
できるが、Ａl合金板材との密着性或いは耐食性を確保
するためには、エポキシ樹脂、ウレタン樹脂及びアクリ
ル樹脂の単独或いはその混合物から構成されていること
が好ましい。In the present invention, the surface of the Al alloy plate material is organically coated as a surface treatment. Although any suitable resin can be used, it is preferable that the resin is composed of an epoxy resin, a urethane resin, and an acrylic resin, or a mixture thereof, in order to secure the adhesion to the Al alloy plate material or the corrosion resistance.
【００１１】しかし、このような有機被覆を施されたＡ
l合金材料の成形性を高めるためには、樹脂ベースのみ
では困難であり、有機皮膜自体の潤滑性を高める必要が
ある。そこで、Ａl基材の表面に、エステル系、ワック
ス系等々の潤滑剤を含む有機皮膜を形成してやれば、プ
レス加工時の潤滑性が得られ、有機皮膜により優れた成
形性が得られ、プレス油の塗布が必要でなくなる。勿
論、プレス油を使用しても差し支えないが、プレス油の
使用が不可欠の条件ではなくなる。However, A coated with such an organic coating
In order to improve the formability of alloy materials, it is difficult to improve the lubricity of the organic film itself, because it is difficult to use only a resin base. Therefore, if an organic film containing a lubricant such as an ester type or a wax type is formed on the surface of the Al base material, lubricity at the time of press working can be obtained, and excellent moldability can be obtained by the organic film. No need to apply. Of course, pressing oil may be used, but the use of pressing oil is not an essential condition.
【００１２】更に、潤滑剤を含む有機皮膜にＳiＯ2を添
加することにより、皮膜硬さも確保でき、優れた耐疵付
性も付与できる。Further, by adding SiO 2 to the organic coating containing the lubricant, the hardness of the coating can be ensured and excellent scratch resistance can be imparted.
【００１３】但し、有機皮膜量は、成形性、耐疵付性、
塗装性、更に経済性等を考慮に入れて決めるべきであ
る。すなわち、成形性を確保するためには、皮膜量は
０.５μm以上が必要である。０.５μm未満では、有機皮
膜は均一にアルミ表面を被覆できない。また、１０μm
を超えるとその成形性向上効果は飽和すると共に、成形
時に、金型への皮膜のビルドアップが発生し好ましくな
い。また、成形後の塗装性も損なうため、１０μm以下
に抑える必要がある。However, the amount of the organic film depends on the moldability, the scratch resistance,
It should be decided in consideration of paintability and economical efficiency. That is, in order to secure the moldability, the coating amount needs to be 0.5 μm or more. If it is less than 0.5 μm, the organic film cannot uniformly coat the aluminum surface. Also, 10 μm
If it exceeds, the effect of improving the moldability is saturated, and the buildup of the film on the mold occurs during molding, which is not preferable. In addition, the paintability after molding is impaired, so it is necessary to keep it to 10 μm or less.
【００１４】また、有機皮膜中に添加されるＳiＯ2は、
Ａl基材の疵付を防止するために５％以上必要である
が、プレス金型の摩耗を防止するために４０％未満に抑
える必要がある。更に、このＳiＯ2の粒径が０.１μmを
超えると、かえって疵発生の要因となるので、０.１μm
以下に抑える必要がある。The SiO 2 added to the organic film is
It is necessary to be 5% or more in order to prevent the Al base material from being scratched, but it is necessary to suppress it to less than 40% in order to prevent the wear of the press die. Furthermore, if the particle size of this SiO 2 exceeds 0.1 μm, it may rather cause defects, so 0.1 μm
It is necessary to keep below.
【００１５】更に、潤滑剤の添加量は、皮膜の最低限の
潤滑性を確保するためにトータルで５％以上必要であ
る。しかし、耐疵付性に優れた複合有機皮膜を製膜する
ためには６０％を超えて添加することは適正でない。こ
れは、潤滑剤の添加量の増加と共に摺動性は向上し、そ
れに伴い成形性が向上するが、３０％程度で飽和し、６
０％を超えると耐疵付性が低下する傾向にあるためであ
る。Further, the total amount of lubricant added must be 5% or more in order to ensure the minimum lubricity of the coating. However, in order to form a composite organic film having excellent scratch resistance, it is not appropriate to add more than 60%. This is because the slidability improves as the amount of lubricant added increases, and the formability improves accordingly, but it saturates at about 30%, and
This is because if it exceeds 0%, the scratch resistance tends to decrease.
【００１６】上述のように、樹脂ベースにＳiＯ2と潤滑
剤を添加した塗料をＡl合金板材に塗装し、有機皮膜の
摩擦係数を０.１５以下に制御する。摩擦係数が０.１５
より大きいと優れた成形性が得られない。As described above, a paint obtained by adding SiO 2 and a lubricant to a resin base is applied to an Al alloy plate material, and the friction coefficient of the organic film is controlled to 0.15 or less. Friction coefficient is 0.15
If it is larger, excellent moldability cannot be obtained.
【００１７】なお、本発明におけるＡl合金板の材質
は、プレス成形等の成形加工に供し得る成分系及び組成
であれば何ら限定されない。成形性、耐食性、強度の特
性を保有するＪＩＳ３０００、５０００、６０００系合
金が好ましい。The material of the Al alloy plate in the present invention is not limited as long as it is a component system and composition that can be used for forming such as press forming. JIS 3000, 5000, and 6000 series alloys that have characteristics of formability, corrosion resistance, and strength are preferable.
【００１８】次に本発明の実施例を示す。Next, examples of the present invention will be described.
【００１９】[0019]
【実施例】５１８２合金板を使用し、その表面に塗装に
より、表１に示す有機被覆を施した。得られた表面処理
材について成形性、耐疵付性、塗装性について調査し
た。EXAMPLE A 5182 alloy plate was used, and the surface thereof was coated with the organic coating shown in Table 1. The obtained surface-treated material was investigated for moldability, scratch resistance and paintability.
【００２０】供試材は５１８２合金の板厚０.８mmのも
のであり、その表面粗さは０.３〜０.５μm(圧延方向に
直角のＲa中心線平均粗さ表示)である。塗料のベース樹
脂は、表１のＮo.１〜Ｎo.３０、Ｎo.４６〜Ｎo.７３が
水溶性エポキシ樹脂、Ｎo.３１〜Ｎo.３５が水溶性ウレ
タン樹脂、Ｎo.３６〜Ｎo.４５が水溶性アクリル樹脂で
ある。The test material is a 5182 alloy having a plate thickness of 0.8 mm, and its surface roughness is 0.3 to 0.5 μm (Ra center line average roughness perpendicular to the rolling direction). As for the base resin of the paint, No. 1 to No. 30 and No. 46 to No. 73 in Table 1 are water-soluble epoxy resins, No. 31 to No. 35 are water-soluble urethane resins, and No. 36 to No. 45. Is a water-soluble acrylic resin.
【００２１】（１）摩擦係数は、以下の条件のバウデン
すべり試験により圧延方向に直角に測定した。 測定条件…鋼 球：３／１６インチ 荷 重：０.５kg すべり速度：２００mm／min 潤滑条件：無塗油(無処理材のみ粘度３cstの低粘度油塗布)(1) The friction coefficient was measured at right angles to the rolling direction by the Bowden slip test under the following conditions. Measurement conditions: Steel ball: 3/16 inch Load: 0.5 kg Sliding speed: 200 mm / min Lubrication condition: Oilless (only non-treated material has a low viscosity oil of 3 cst)
【００２２】（２）成形性は、以下の条件の円筒深絞試
験により成形限界高さ(塗油した無処理材を基準とした)
で評価した。 試験条件…ブランク：φ９０mm ポンチ ：φ４０mm 成形速度：１２０mm／min しわ押さえ：２.５tons 潤滑条件：無塗油(無処理材のみ粘度３cstの油塗布) 評価基準…◎：塗油した無処理材より１５％以上増す。 ○：塗油した無処理材より１０〜１５％増す。 △：塗油した無処理材より５〜１０％増す。 ×：塗油した無処理材より５％未満。(2) Formability is determined by a cylindrical deep-drawing test under the following conditions, where the forming limit height (based on untreated oiled material)
It was evaluated by. Test conditions: Blank: φ90 mm Punch: φ40 mm Forming speed: 120 mm / min Wrinkle retainer: 2.5 tons Lubrication condition: Oilless (only untreated material has an oil viscosity of 3 cst) Evaluation criteria: ◎: Untreated untreated material Increase by 15% or more. ◯: 10 to 15% higher than the untreated material coated with oil. Δ: 5 to 10% more than the untreated material coated with oil. X: Less than 5% of the untreated material coated with oil.
【００２３】（３）耐疵付性は、以下の条件で平板摺動
試験後、テープ剥離により、目視観察にて判定した。 (3) The scratch resistance was determined by visual observation by peeling the tape after a flat plate sliding test under the following conditions.
【００２４】（４）塗装性(塗膜密着性)は、以下の条件
でスプレー塗装後、ゴバン目(２mm角を２５個)をカッタ
ーで入れ、セロテープによる剥離状況にて評価した。 試験条件…塗 料：自動車用上塗塗料(アルキッド系塗料)をスプレー塗装 塗膜厚さ：３０μm 焼き付け：１４０℃、２０分 評価基準…○：塗料の剥離なし ×：塗料の剥離あり(4) The coatability (coating adhesion) was evaluated by spraying under the following conditions, then inserting a burrs pattern (25 2 mm squares) with a cutter and peeling with a cellophane tape. Test conditions: Coating: Spray coating of automotive top coating (alkyd paint) Coating thickness: 30 μm Baking: 140 ° C, 20 minutes Evaluation criteria: ○: No peeling of paint ×: Peeling of paint
【００２５】試験結果は以下のように考察される。本発
明例Ｎo.１〜Ｎo.４５は本発明の規定条件を満足してい
るため、成形性、耐疵付性及び塗装性のいずれにおいて
も良好な結果が得られている。The test results are considered as follows. Inventive Examples No. 1 to No. 45 satisfy the specified conditions of the present invention, and therefore, good results are obtained in terms of moldability, scratch resistance and paintability.
【００２６】これに対し、比較例のＮo.４６〜Ｎo.７１
は、ＳiＯ2又は潤滑剤のいずれか或いは両方が適正に添
加されていない皮膜構成のため、耐疵付性が劣ってい
る。また、比較例Ｎo.７２は皮膜量不足のため、成形
性、耐疵付性が劣っている。比較例Ｎo.７３は皮膜量が
本発明を超過しており、塗料の密着性が劣っている。な
お、Ｎo.７４及び７５は無処理材である。On the other hand, Comparative Examples No. 46 to No. 71
Inferior in scratch resistance due to the coating composition in which either or both of SiO 2 and lubricant are not properly added. Further, Comparative Example No. 72 is inferior in moldability and scratch resistance due to insufficient film amount. In Comparative Example No. 73, the coating amount exceeds the present invention, and the adhesiveness of the coating is poor. Nos. 74 and 75 are untreated materials.
【００２７】[0027]
【表１】 [Table 1]
【００２８】[0028]
【表２】 [Table 2]
【００２９】[0029]
【表３】 [Table 3]
【００３０】[0030]
【発明の効果】以上詳述したように、本発明によれば、
有機被覆することにより、優れた成形性を示し、更に十
分な潤滑性と硬さを持ち、疵がつきにくく、且つ成形後
も良好な塗膜密着性を有する表面処理アルミ板材料を提
供することができる。As described in detail above, according to the present invention,
To provide a surface-treated aluminum plate material that exhibits excellent formability by organic coating, has sufficient lubricity and hardness, is less likely to be scratched, and has good coating adhesion even after forming. You can
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Claims (2)
ＳiＯ2を５〜４０％及び潤滑剤を５〜６０％含む塗料が
０.５〜１０μmの厚さで塗装されており、摩擦係数が
０.１５以下に制御されていることを特徴とする成形性
と耐疵付性に優れた表面処理アルミ板材料。1. A coating material containing 5 to 40% of SiO 2 having a particle size of 0.1 μm or less and 5 to 60% of a lubricant is applied to an aluminum alloy plate material in a thickness of 0.5 to 10 μm, and friction is applied. A surface-treated aluminum plate material with excellent formability and scratch resistance, characterized by a coefficient controlled to 0.15 or less.
ウレタン樹脂及びアクリル樹脂の単独或いはその混合物
から構成されていることを特徴とする請求項１に記載の
成形性と耐疵付性に優れた表面処理アルミ板材料。2. The base component of the paint is an epoxy resin,
The surface-treated aluminum plate material excellent in moldability and scratch resistance according to claim 1, which is composed of a urethane resin and an acrylic resin alone or a mixture thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35209693A JP3338156B2 (en) | 1993-12-29 | 1993-12-29 | Organic coated aluminum sheet material with excellent moldability and scratch resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35209693A JP3338156B2 (en) | 1993-12-29 | 1993-12-29 | Organic coated aluminum sheet material with excellent moldability and scratch resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07195031A true JPH07195031A (en) | 1995-08-01 |
| JP3338156B2 JP3338156B2 (en) | 2002-10-28 |
Family
ID=18421756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35209693A Expired - Fee Related JP3338156B2 (en) | 1993-12-29 | 1993-12-29 | Organic coated aluminum sheet material with excellent moldability and scratch resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3338156B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6420477B1 (en) | 1999-04-01 | 2002-07-16 | Nihon Parkerizing Co., Ltd. | Aqueous coating composition for metal sheets, surface-treated metal sheets and surface treating method |
| EP2090426A4 (en) * | 2007-01-12 | 2009-11-18 | Furukawa Sky Aluminum Corp | RESIN-COATED ALUMINUM ALLOY SHEET FOR ALUMINUM ELECTROLYTIC CAPACITOR HOUSING, HOUSING FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR |
| WO2010130504A1 (en) * | 2009-05-11 | 2010-11-18 | Robert Bosch Gmbh | Diaphragm cup for an ultrasonic transducer and sensor therewith |
| CN102162097A (en) * | 2010-02-23 | 2011-08-24 | 株式会社神户制钢所 | Precoating aluminum plate for electronic device |
| CN102744931A (en) * | 2011-04-18 | 2012-10-24 | 株式会社神户制钢所 | Pre-coated aluminium plate for electric device |
-
1993
- 1993-12-29 JP JP35209693A patent/JP3338156B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6420477B1 (en) | 1999-04-01 | 2002-07-16 | Nihon Parkerizing Co., Ltd. | Aqueous coating composition for metal sheets, surface-treated metal sheets and surface treating method |
| EP2090426A4 (en) * | 2007-01-12 | 2009-11-18 | Furukawa Sky Aluminum Corp | RESIN-COATED ALUMINUM ALLOY SHEET FOR ALUMINUM ELECTROLYTIC CAPACITOR HOUSING, HOUSING FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR |
| US8045321B2 (en) | 2007-01-12 | 2011-10-25 | Furukawa-Sky Aluminum Corp. | Resin-coated aluminum alloy sheet material for aluminum electrolytic capacitor case, case for aluminum electrolytic capacitor, and aluminum electrolytic capacitor |
| WO2010130504A1 (en) * | 2009-05-11 | 2010-11-18 | Robert Bosch Gmbh | Diaphragm cup for an ultrasonic transducer and sensor therewith |
| CN102162097A (en) * | 2010-02-23 | 2011-08-24 | 株式会社神户制钢所 | Precoating aluminum plate for electronic device |
| JP2011173277A (en) * | 2010-02-23 | 2011-09-08 | Kobe Steel Ltd | Precoated aluminum sheet for electronic device |
| CN102744931A (en) * | 2011-04-18 | 2012-10-24 | 株式会社神户制钢所 | Pre-coated aluminium plate for electric device |
| CN102744931B (en) * | 2011-04-18 | 2015-04-15 | 株式会社神户制钢所 | Pre-coated aluminium plate for electric device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3338156B2 (en) | 2002-10-28 |
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