EP1706518B1 - Schutzschicht fur eine aluminiumhaltige legierung fur den einsatz bei hohen temperaturen, sowie verfahren zur herstellung einer solchen schutzschicht - Google Patents

Schutzschicht fur eine aluminiumhaltige legierung fur den einsatz bei hohen temperaturen, sowie verfahren zur herstellung einer solchen schutzschicht Download PDF

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Publication number
EP1706518B1
EP1706518B1 EP04802781A EP04802781A EP1706518B1 EP 1706518 B1 EP1706518 B1 EP 1706518B1 EP 04802781 A EP04802781 A EP 04802781A EP 04802781 A EP04802781 A EP 04802781A EP 1706518 B1 EP1706518 B1 EP 1706518B1
Authority
EP
European Patent Office
Prior art keywords
aluminium
oxide
alloy
layer
al2o3
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.)
Expired - Lifetime
Application number
EP04802781A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1706518A1 (de
Inventor
Willem J. Quadakkers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forschungszentrum Juelich GmbH
Original Assignee
Forschungszentrum Juelich GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Forschungszentrum Juelich GmbH filed Critical Forschungszentrum Juelich GmbH
Publication of EP1706518A1 publication Critical patent/EP1706518A1/de
Application granted granted Critical
Publication of EP1706518B1 publication Critical patent/EP1706518B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/10—Oxidising

Definitions

  • the invention relates to a protective layer for an aluminum-containing alloy for use at high temperatures, in particular at temperatures up to 1400 ° C.
  • the invention further relates to processes for producing such protective layers on aluminum-containing alloys.
  • Alloys based on Fe-Al, Ni-Al, Ni-Cr-Al or Fe-Cr-Al are distinguished by excellent oxidation resistance up to very high temperatures ( ⁇ 1400 ° C).
  • the resistance is based on the formation of a dense and slowly growing aluminum oxide layer that forms on the material surfaces (alloys) during high-temperature use.
  • This protective overcoat which relies on selective oxidation of the alloying element aluminum, only occurs when the aluminum content in the alloy is sufficiently high, e.g. At least about 8% by weight in Fe-Al or Ni-Al alloys and at least about 3% by weight in Fe-Cr-Al or Ni-Cr-Al alloys.
  • the formation of the alumina-based topcoat regularly consumes the alloying element aluminum present in the alloy.
  • the consumption per unit time is usually proportional to the oxide growth rate and therefore increases with increasing temperature, since the oxide growth rate (k in cm 2 per second) increases with increasing temperature.
  • the total aluminum reservoir present in an aluminum-containing alloy increases proportionally to the wall thickness of a corresponding component. At one shift or film as a component typically corresponds to the thickness of the layer thickness, with a wire as a component, for example, the diameter.
  • the growth rate (k) of the oxide layer disadvantageously shows a significant deviation from the above-mentioned temperature dependence. This deviation occurs especially in the initial stage (eg up to approximately 100 h) of the oxidation stress.
  • the reason for this deviation lies in the fact that at temperatures around 800 ° C does not occur at high temperatures (at and above 1000 ° C) formed ⁇ -Al 2 O 3 (hexagonal structure, corundum lattice), but rather metastable Al 2 O 3 modifications, in particular ⁇ - or ⁇ -Al 2 O 3 .
  • These last-mentioned oxide modifications are characterized by significantly higher growth rates than the ⁇ -Al 2 O 3 . They generally occur only in the early stages of oxidation. After long periods, a transition to stable ⁇ -Al 2 O 3 occurs with the corresponding low growth rate.
  • the object of the invention is to provide a method in which aluminum-containing alloys form at a temperature of more than 800 ° C, especially in the initial stage of the oxidation, a predominantly formed from ⁇ -Al 2 O 3 oxide cover layer, and so on have significantly improved long-term behavior.
  • the object of the invention is achieved by a method for the treatment of aluminum-containing alloys for high-temperature use according to the main claim.
  • Advantageous embodiments of the method can be found in the dependent claims again.
  • the treatment according to the invention is based on the fact that the presence of other, ie non-aluminous, oxides on the surface of an aluminum-containing alloy or a corresponding component promotes the formation of the advantageous ⁇ -Al 2 O 3 at operating temperatures above 800 ° C. In this way, the adverse formation of metastable Al 2 O 3 modifications, such as the ⁇ - or ⁇ -Al 2 O 3 suppressed.
  • the non-aluminum-containing oxides on the surface of the alloy act as nucleating agents, which at temperatures above 800 ° C. in particular promote the formation of the ⁇ -Al 2 O 3 modification. This effect occurs advantageously already at the beginning of the oxidation of the alloy at operating temperatures, so that the harmful formation of metastable aluminum oxides is regularly prevented from the beginning.
  • Suitable examples of such oxides which advantageously act on the surface are, in particular, Ni oxides, Fe oxides, Cr oxides and Ti oxides.
  • the oxides can be applied to the surfaces of the components of said metallic, aluminum-containing alloys by various methods or also be produced.
  • the surface layer of the alloy is to be understood as a near-surface region of up to 1000 nm thickness. It has been found in the context of the invention that the mode of action of the non-aluminum-containing oxides on the surface of the alloy even at layer thicknesses of only a few nm occurs.
  • the dashed lines show the layer thickness of an oxide layer formed on the surface of a corresponding alloy in the exclusive formation of ⁇ -Al 2 O 3 at the corresponding temperatures versus time (both in arbitrary units). After an initially somewhat steeper initial course of the growth rate, the growth rate thereafter remains almost constant, which leads to an almost linear increase in the layer thickness for longer times. Overall, the higher the corresponding operating temperature, the higher the formed layer thickness.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Physical Vapour Deposition (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
EP04802781A 2004-01-21 2004-11-20 Schutzschicht fur eine aluminiumhaltige legierung fur den einsatz bei hohen temperaturen, sowie verfahren zur herstellung einer solchen schutzschicht Expired - Lifetime EP1706518B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004002946A DE102004002946A1 (de) 2004-01-21 2004-01-21 Schutzschicht für eine aluminiumhaltige Legierung für den Einsatz bei hohen Temperaturen, sowie Verfahren zur Herstellung einer solchen Schutzschicht
PCT/DE2004/002570 WO2005071132A1 (de) 2004-01-21 2004-11-20 Schutzschicht für eine aluminiumhaltige legierung für den einsatz bei hohen temperaturen, sowie verfahren zur herstellung einer solchen schutzschicht

Publications (2)

Publication Number Publication Date
EP1706518A1 EP1706518A1 (de) 2006-10-04
EP1706518B1 true EP1706518B1 (de) 2012-04-18

Family

ID=34744926

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04802781A Expired - Lifetime EP1706518B1 (de) 2004-01-21 2004-11-20 Schutzschicht fur eine aluminiumhaltige legierung fur den einsatz bei hohen temperaturen, sowie verfahren zur herstellung einer solchen schutzschicht

Country Status (7)

Country Link
US (1) US7850791B2 (https=)
EP (1) EP1706518B1 (https=)
JP (1) JP4636389B2 (https=)
CN (1) CN100569990C (https=)
AT (1) ATE554195T1 (https=)
DE (1) DE102004002946A1 (https=)
WO (1) WO2005071132A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8906170B2 (en) * 2008-06-24 2014-12-09 General Electric Company Alloy castings having protective layers and methods of making the same
US9480511B2 (en) 2009-12-17 2016-11-01 Engage Medical Holdings, Llc Blade fixation for ankle fusion and arthroplasty
EP2651341B1 (en) 2010-12-16 2017-01-04 Engage Medical Holdings, LLC Arthroplasty systems and methods
US9254130B2 (en) 2011-11-01 2016-02-09 Hyun Bae Blade anchor systems for bone fusion
US10238382B2 (en) * 2012-03-26 2019-03-26 Engage Medical Holdings, Llc Blade anchor for foot and ankle
CN107541293A (zh) * 2016-06-23 2018-01-05 通用电气公司 形成有铬涂层的气化元件及用铬涂层保护气化元件的方法
US10390955B2 (en) 2016-09-22 2019-08-27 Engage Medical Holdings, Llc Bone implants
US11540928B2 (en) 2017-03-03 2023-01-03 Engage Uni Llc Unicompartmental knee arthroplasty
US10456272B2 (en) 2017-03-03 2019-10-29 Engage Uni Llc Unicompartmental knee arthroplasty
DE102018212110B4 (de) * 2018-07-20 2024-10-31 Alantum Europe Gmbh Verfahren zur Herstellung eines offenporigen Metallkörpers mit einer Oxidschicht und ein mit dem Verfahren hergestellter Metallkörper
US11697879B2 (en) * 2019-06-14 2023-07-11 Applied Materials, Inc. Methods for depositing sacrificial coatings on aerospace components
CN110172671A (zh) * 2019-06-18 2019-08-27 南通大学 一种铝或铝合金铸造模具抗开裂保护膜及制备方法
JP7598888B2 (ja) 2019-06-26 2024-12-12 アプライド マテリアルズ インコーポレイテッド 折り畳み式ディスプレイ用の可撓性多層カバーレンズ積層体

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JPS5379784A (en) * 1976-12-25 1978-07-14 Toyota Motor Corp Catalyst carrier for exhaust gas purification and production thereof
JPH0261053A (ja) * 1988-08-29 1990-03-01 Matsushita Electric Ind Co Ltd 燃焼筒用鋼板及びその製造方法
RU1824234C (ru) * 1991-06-07 1993-06-30 Дзержинский Филиал Государственного Научно-Исследовательского Института По Промышленной И Санитарной Очистке Газов Способ приготовлени катализатора дл очистки отход щих газов от органических веществ
JPH07144972A (ja) * 1993-11-18 1995-06-06 Chichibu Onoda Cement Corp 溶射材料
US5741372A (en) * 1996-11-07 1998-04-21 Gugel; Saveliy M. Method of producing oxide surface layers on metals and alloys
JPH11253815A (ja) * 1998-03-16 1999-09-21 Showa Aircraft Ind Co Ltd 電気加熱式触媒装置用メタル担体
JP4883512B2 (ja) * 2000-07-14 2012-02-22 独立行政法人日本原子力研究開発機構 可視光応答型酸化チタン薄膜の作製方法
US6599636B1 (en) * 2000-10-31 2003-07-29 Donald L. Alger α-Al2O3 and Ti2O3 protective coatings on aluminide substrates
JP2003213458A (ja) * 2002-01-24 2003-07-30 Nisshin Steel Co Ltd Ｃｒフリー化成処理されたアルミニウム系めっき鋼板
JP2003226985A (ja) * 2002-02-05 2003-08-15 Nisshin Steel Co Ltd 高耐食性めっきステンレス鋼板及び製造方法
EP1380672A1 (en) * 2002-07-09 2004-01-14 Siemens Aktiengesellschaft Highly oxidation resistant component

Also Published As

Publication number Publication date
US20080245446A1 (en) 2008-10-09
US7850791B2 (en) 2010-12-14
CN100569990C (zh) 2009-12-16
WO2005071132A1 (de) 2005-08-04
ATE554195T1 (de) 2012-05-15
CN1906323A (zh) 2007-01-31
WO2005071132A8 (de) 2005-09-15
EP1706518A1 (de) 2006-10-04
DE102004002946A1 (de) 2005-08-11
JP4636389B2 (ja) 2011-02-23
JP2007518881A (ja) 2007-07-12

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