JP6006200B2 - 封孔された陽極酸化皮膜 - Google Patents
封孔された陽極酸化皮膜 Download PDFInfo
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- JP6006200B2 JP6006200B2 JP2013511263A JP2013511263A JP6006200B2 JP 6006200 B2 JP6006200 B2 JP 6006200B2 JP 2013511263 A JP2013511263 A JP 2013511263A JP 2013511263 A JP2013511263 A JP 2013511263A JP 6006200 B2 JP6006200 B2 JP 6006200B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
本発明は、金属上の皮膜およびその関連の方法、具体的には、金属および金属合金上の陽極酸化した皮膜などの皮膜であって、過熱蒸気を含む蒸気に対する耐性、ならびにアルカリおよび酸性の変性に対して耐性を示す皮膜に関する。
アルミニウムおよびアルミニウム合金のための陽極皮膜は例えば、典型的には、タイプおよびクラスによって分類される。I型皮膜は、クロム酸電解質から得られ、IB型皮膜は、クロム酸電解質中で低電圧プロセスから得られる。IC型の皮膜は典型的には、非クロム酸陽極酸化によって生じる。II型皮膜は、硫酸電解液中で生成され得る。III型皮膜はまた、硬質陽極皮膜(hard anodic coating)とも呼ばれ、また硫酸電解液中で生成される。クラス1の皮膜は、色素なしのコーティングであり、クラス2の皮膜は、染色した皮膜である。
Al2O3(陽極皮膜)+H2O→2AlO(OH) (1)
Ni2++2OH−→Ni(OH)2↓ (2)
Al2O3+2HCrO4 −+H2O→2AlOHCrO4−↓+2OH−(pH<6.0) (3)
Al2O3+HCrO4 −→(AlO)2CrO4 −+OH−(pH>6.0) (4)
Al2O3+SiO3 2−+H2O→Al2OSiO4 −↓+2OH− (5)
Ni2++2OH−→Ni(OH)2 − (2)
Al2O3+6F−+3H2O→2AlF3 −+6OH− (6)
Al2O3+3H2O→2Al(OH)3 ↓ (7)
本発明の一局面は、金属基板上に封孔した陽極皮膜を生成する方法に関し得、この封孔した陽極皮膜は、細孔および壁を有するセルを有し、これは、少なくとも1つの部分的に結晶性の金属酸化物および部分的に結晶性の金属水酸化物を含む。
本発明の1つ以上の局面は、望ましい物理的特性および化学的特性を有する金属基板上の陽極皮膜を提供する処置に関し得る。本発明の1つ以上の局面は、少なくとも部分的に結晶性の陽極皮膜をその上に有する物品に関し得る。本発明のさらなる局面は、部分的に結晶性の金属酸化物および部分的に結晶性の金属水酸化物のうちの少なくとも1つを含む構造を有する金属基板を生成する技術に関し得る。本発明のなおさらなる局面は、部分的に結晶性の金属酸化物および少なくとも部分的に結晶性の金属水酸化物のうちの少なくとも1つを含む構造を有する金属基板を生成する技術に関し得る。本発明のいくつかの局面は、非晶質性の酸化アルミニウムおよび水酸化アルミニウムのうちのいずれかの細孔および壁によって規定されるセルを有する陽極酸化した皮膜を有するアルミニウムの物品から、結晶性の酸化アルミニウムおよび部分的に結晶性の水酸化アルミニウムのうちの少なくとも1つを含む構造を有する陽極酸化したアルミニウム物品を製造することに関し得る。本発明の手順は、細孔の少なくとも一部に少なくとも1つの金属カチオン種を導入することと、金属カチオン種の少なくとも一部を金属水酸化物に変換することと、金属水酸化物の少なくとも一部を金属酸化物に変換することと、非晶質性の酸化アルミニウムおよび非晶質性の水酸化アルミニウムのうちのいずれかのセルの少なくとも一部を変換して、部分的に結晶性の酸化アルミニウムおよび部分的に結晶性の水酸化アルミニウムのうちの少なくとも1つの少なくとも部分的に結晶性の構造を有する陽極酸化アルミニウム物品を製造することとを包含し得る。本発明の1つ以上の局面は、結晶性の酸化アルミニウムおよび結晶性の水酸化アルミニウムのうちの少なくとも1つ、より好ましくは、部分的に結晶性の酸化アルミニウムおよび部分的に結晶性の水酸化アルミニウムのうちの少なくとも1つから好ましくは構成される構造を有する陽極酸化したアルミニウム基板を生成する技術に関連し得る。本発明の1つ以上のさらなる局面は、基板上の陽極層の結晶化度を高めることを包含し得る。
本実施例は、高いpH条件に対してSANFORD QUANTUM(登録商標)プロセスに従って準備した、従来どおり陽極酸化したアルミニウム基板パネルの耐性を示す。
本実施例は、高pHのアルカリ条件に曝した後、従来の陽極酸化皮膜の性能と、本発明による封孔した、部分的に結晶性の陽極酸化皮膜の性能とを比較する。
本実施例は、医療的な滅菌条件に曝した後、従来の陽極酸化皮膜の性能と、本発明による封孔した陽極酸化皮膜の性能とを比較する。
本実施例は、食器洗いの条件に曝した後、従来の陽極酸化皮膜の性能と、本発明による封孔した陽極酸化皮膜の性能とを比較する。
本実施例は、約0.04%の水酸化ナトリウムの溶液中への浸漬後、従来の陽極酸化皮膜の性能と、本発明による結晶性の封孔した陽極酸化皮膜の性能とを比較する。
本実施例は、低pH条件、硫酸浸漬への暴露後、従来の陽極酸化皮膜および本発明の結晶性の封孔した陽極酸化皮膜を評価する。
本実施例は、従来の封孔した陽極酸化アルミニウム皮膜と、本発明の封孔した陽極酸化したアルミニウム皮膜の摩耗耐性を比較する。
本実施例は、本発明の封孔した陽極酸化した基板の調製の間の熱処理を介した、金属水酸化物生成物の金属酸化物固体への相変態を評価する。
Claims (12)
- 封孔した陽極酸化した金属であって:
アルミニウムまたはアルミニウム合金である第一の金属を含む金属基板と;
前記金属基板の少なくとも一部と連続した陽極領域であって、非晶質性の第一の金属酸化物を含む複数のセルを有し、前記複数のセルの各々は、その少なくとも一部に細孔充填材を有する細孔を有し、前記細孔充填材は、少なくとも1つの結晶性の遷移金属酸化物を含む陽極領域と;
前記陽極領域の少なくとも一部に隣接する封孔領域であって、結晶性の第一の金属酸化物および結晶性の第一の金属水酸化物のうちの少なくとも1つを含む封孔領域と;
を含む、封孔した陽極酸化した金属。 - 前記細孔充填材が、結晶性の酸化ニッケルおよび酸化コバルトのうちの1つを含む、請求項1に記載の前記封孔した陽極酸化した金属。
- 前記陽極領域が、酸化アルミニウムの円柱状セルと結晶性の水酸化ニッケルの細孔充填材とを含み、ここで前記封孔領域が、結晶性の水酸化アルミニウムを含む、請求項1に記載の前記封孔した陽極酸化した金属。
- 前記封孔領域が、前記封孔領域の深さにつれて増大する結晶化度のレベルを有する水酸化アルミニウムを含む、請求項1に記載の封孔した陽極酸化した金属。
- 前記陽極領域と前記封孔領域との間に位置する界面領域をさらに備え、前記界面領域が、結晶性の遷移金属水酸化物を含む、請求項1に記載の封孔した陽極酸化した金属。
- 金属器具であって:
アルミニウムまたはアルミニウム合金である第一の金属を含むバルク金属部分と;
前記バルク金属部分の少なくとも一部の上の封孔した陽極酸化した皮膜と、を含み、前記封孔した陽極皮膜は、
前記バルク金属部分に隣接する第一の領域と、
第二の領域と、
前記第一の領域および第二の領域の間およびそれと連続する界面領域と、を備え、
前記第一の領域は、第一の金属酸化物を含む複数のセル構造を備え、前記セル構造の各々は、少なくとも1つの結晶性の遷移金属酸化物を含む充填材を少なくとも部分的に含む細孔を有し、
前記第二の領域は、結晶性の第一の金属酸化物および結晶性の第一の金属水酸化物のうちの少なくとも1つを含み、
前記界面領域は、少なくとも1つの結晶性の遷移金属水酸化物を含む、
金属器具。 - 前記第一の金属酸化物が、非晶質性の酸化アルミニウムまたは非晶質性のアルミニウム合金酸化物である、請求項6に記載の金属器具。
- 前記充填材が、結晶性の水酸化ニッケルを含む、請求項7に記載の金属器具。
- 前記界面領域が、結晶性の水酸化アルミニウムおよび結晶性の水酸化ニッケルのうちの少なくとも1つを含む、請求項8に記載の金属器具。
- 前記第一の領域が、水酸化ニッケルを少なくとも部分的に含む細孔を有する、酸化アルミニウムを含む複数の円柱状セル構造を備える、請求項9に記載の金属器具。
- 前記器具が、医療用デバイスのケースである、請求項10に記載の金属器具。
- 前記器具が、医療用デバイスのハンドルである、請求項6に記載の金属器具。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US12/783,130 | 2010-05-19 | ||
US12/783,130 US8609254B2 (en) | 2010-05-19 | 2010-05-19 | Microcrystalline anodic coatings and related methods therefor |
US12/947,197 | 2010-11-16 | ||
US12/947,197 US8512872B2 (en) | 2010-05-19 | 2010-11-16 | Sealed anodic coatings |
PCT/US2011/036656 WO2011146397A1 (en) | 2010-05-19 | 2011-05-16 | Sealed anodic coatings |
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JP2016093428A Division JP2016188429A (ja) | 2010-05-19 | 2016-05-06 | 封孔された陽極酸化皮膜 |
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JP2013528707A JP2013528707A (ja) | 2013-07-11 |
JP2013528707A5 JP2013528707A5 (ja) | 2016-06-30 |
JP6006200B2 true JP6006200B2 (ja) | 2016-10-12 |
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JP2016093428A Withdrawn JP2016188429A (ja) | 2010-05-19 | 2016-05-06 | 封孔された陽極酸化皮膜 |
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US (1) | US8512872B2 (ja) |
EP (1) | EP2571684B1 (ja) |
JP (2) | JP6006200B2 (ja) |
KR (1) | KR101871702B1 (ja) |
CN (1) | CN102958691B (ja) |
BR (1) | BR112012029385B1 (ja) |
WO (1) | WO2011146397A1 (ja) |
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JP2013528707A (ja) | 2013-07-11 |
EP2571684A1 (en) | 2013-03-27 |
KR101871702B1 (ko) | 2018-06-27 |
US8512872B2 (en) | 2013-08-20 |
CN102958691A (zh) | 2013-03-06 |
BR112012029385A2 (pt) | 2017-07-25 |
EP2571684A4 (en) | 2017-08-23 |
EP2571684B1 (en) | 2020-04-01 |
KR20130114567A (ko) | 2013-10-17 |
JP2016188429A (ja) | 2016-11-04 |
CN102958691B (zh) | 2015-07-01 |
WO2011146397A1 (en) | 2011-11-24 |
US20110284383A1 (en) | 2011-11-24 |
BR112012029385B1 (pt) | 2020-12-08 |
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