JP4288374B2 - 自己修復性に優れたアルミニウム合金の防食塗膜およびそれを有するアルミニウム合金 - Google Patents
自己修復性に優れたアルミニウム合金の防食塗膜およびそれを有するアルミニウム合金 Download PDFInfo
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- JP4288374B2 JP4288374B2 JP2004360946A JP2004360946A JP4288374B2 JP 4288374 B2 JP4288374 B2 JP 4288374B2 JP 2004360946 A JP2004360946 A JP 2004360946A JP 2004360946 A JP2004360946 A JP 2004360946A JP 4288374 B2 JP4288374 B2 JP 4288374B2
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- aluminum alloy
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(1)塗膜試験片の塗膜面にカッターナイフにより塗膜を貫通し基板に到達する傷を刻む。
(2)塩酸によりpH:1に調整された3mass%の食塩水からなる腐食試験液を準備し、これに前記(1)により傷を刻んだ試験片を浸漬して温度70℃で所定時間保持する。
(3)所定時間経過後塗膜試験片を試験液から取り出し、外観を観察するとともに図2にその概略構成を示す電気化学インピーダンス測定装置を用いて、試験片に±10mVの交流を0.01Hz〜20kHzの範囲で変化させてそのインピーダンスおよび位相差を測定する。
(4)低周波域(0.1〜0.01Hz)で測定されるインピーダンス(R)を腐食抵抗とし、その浸漬12h値(R12)を基準値として規格化した値(R/R12)を腐食抵抗比とした。
Claims (4)
- アルミニウム合金の金属表面を露出させる下地処理を行った基地上に形成され、亜鉛、チタン、マンガン、アルミニウム及びニオブから選ばれた1種又は2種以上の金属粉体を0.1〜10vol%含有する三フッ化樹脂からなることを特徴とする自己修復性に優れたアルミニウム合金の防食塗膜。
- 熱交換器に適用されていることを特徴とする請求項1記載の自己修復性に優れたアルミニウム合金の防食塗膜。
- アルミニウム合金の金属表面を露出させる下地処理を行った基地上に形成される防食塗膜であって、亜鉛、チタン、マンガン、アルミニウム及びニオブから選ばれた1種又は2種以上の金属粉体を0.1〜10vol%含有する三フッ化樹脂からなる防食塗膜を有することを特徴とする塗膜の自己修復性に優れたアルミニウム合金。
- アルミニウム合金の金属表面を露出させる下地処理を行った基地上に形成される防食塗膜であって、亜鉛、チタン、マンガン、アルミニウム及びニオブから選ばれた1種又は2種以上の金属粉体を0.1〜10vol%含有する三フッ化樹脂からなる防食塗膜を有することを特徴とする塗膜の自己修復性に優れたアルミニウム合金製熱交換器。
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JP2004360946A JP4288374B2 (ja) | 2004-12-14 | 2004-12-14 | 自己修復性に優れたアルミニウム合金の防食塗膜およびそれを有するアルミニウム合金 |
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JP2004360946A JP4288374B2 (ja) | 2004-12-14 | 2004-12-14 | 自己修復性に優れたアルミニウム合金の防食塗膜およびそれを有するアルミニウム合金 |
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JP2006169561A JP2006169561A (ja) | 2006-06-29 |
JP4288374B2 true JP4288374B2 (ja) | 2009-07-01 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US9365931B2 (en) | 2006-12-01 | 2016-06-14 | Kobe Steel, Ltd. | Aluminum alloy with high seawater corrosion resistance and plate-fin heat exchanger |
JP5189823B2 (ja) * | 2007-03-27 | 2013-04-24 | 株式会社神戸製鋼所 | 耐食性に優れたアルミニウム合金材およびプレートフィン式熱交換器、プレート式熱交換器 |
EP2047981B1 (en) | 2007-09-20 | 2010-11-03 | Kabushiki Kaisha Kobe Seiko Sho | Aluminum alloy material having an excellent sea water corrosion resistance and plate heat exchanger |
DE102008030189A1 (de) * | 2008-06-25 | 2009-12-31 | Siemens Aktiengesellschaft | Bauteil mit einer selbstheilenden Oberflächenschicht, selbstheilender Lack bzw. Beschichtungspulver mit selbstheilenden Eigenschaften |
JP5160981B2 (ja) * | 2008-07-10 | 2013-03-13 | 株式会社神戸製鋼所 | 耐食性に優れたアルミニウム合金材およびプレート式熱交換器 |
DE102008033222A1 (de) * | 2008-07-15 | 2010-01-21 | Behr Gmbh & Co. Kg | Verfahren zur Herstellung eines Wärmeübertragers und Wärmeübertrager, herstellbar nach dem Verfahren |
JP5164008B2 (ja) * | 2009-03-11 | 2013-03-13 | 株式会社神戸製鋼所 | 耐食性アルミニウム合金部材ならびに伝熱管またはヘッダー管 |
CN104987793B (zh) * | 2015-07-14 | 2017-07-28 | 哈尔滨工业大学 | 一种光修复油性热塑性树脂涂层划痕的方法 |
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