FR2775985B1 - Procede pour controler l'absorption d'hydrogene et faciliter l'elimination d'hydrogene d'un alliage d'aluminium - Google Patents

Procede pour controler l'absorption d'hydrogene et faciliter l'elimination d'hydrogene d'un alliage d'aluminium

Info

Publication number
FR2775985B1
FR2775985B1 FR9802969A FR9802969A FR2775985B1 FR 2775985 B1 FR2775985 B1 FR 2775985B1 FR 9802969 A FR9802969 A FR 9802969A FR 9802969 A FR9802969 A FR 9802969A FR 2775985 B1 FR2775985 B1 FR 2775985B1
Authority
FR
France
Prior art keywords
hydrogen
elimination
facilitating
absorption
controlling
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 - Fee Related
Application number
FR9802969A
Other languages
English (en)
Other versions
FR2775985A1 (fr
Inventor
Susanne M Opalka
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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
Priority to US08/756,289 priority Critical patent/US5753056A/en
Priority to DE19810139A priority patent/DE19810139C1/de
Priority claimed from DE19810139A external-priority patent/DE19810139C1/de
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Priority to FR9802969A priority patent/FR2775985B1/fr
Priority to GB9805469A priority patent/GB2335204A/en
Publication of FR2775985A1 publication Critical patent/FR2775985A1/fr
Application granted granted Critical
Publication of FR2775985B1 publication Critical patent/FR2775985B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/06—Extraction of hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Chemical Treatment Of Metals (AREA)
FR9802969A 1996-03-15 1998-03-11 Procede pour controler l'absorption d'hydrogene et faciliter l'elimination d'hydrogene d'un alliage d'aluminium Expired - Fee Related FR2775985B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US08/756,289 US5753056A (en) 1996-11-25 1996-11-25 Transition metal salt compositions that eliminate hydrogen absorption and enhance hydrogen degassing of aluminum
DE19810139A DE19810139C1 (de) 1996-03-15 1998-03-09 Verfahren zum Begrenzen der Absorption und zum Verbessern des Ausgasens von Wasserstoff bei einem Werkstück aus einer Aluminiumlegierung
FR9802969A FR2775985B1 (fr) 1996-11-25 1998-03-11 Procede pour controler l'absorption d'hydrogene et faciliter l'elimination d'hydrogene d'un alliage d'aluminium
GB9805469A GB2335204A (en) 1996-11-25 1998-03-13 Coating aluminium alloys prior to heat treatment.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/756,289 US5753056A (en) 1996-11-25 1996-11-25 Transition metal salt compositions that eliminate hydrogen absorption and enhance hydrogen degassing of aluminum
DE19810139A DE19810139C1 (de) 1996-03-15 1998-03-09 Verfahren zum Begrenzen der Absorption und zum Verbessern des Ausgasens von Wasserstoff bei einem Werkstück aus einer Aluminiumlegierung
FR9802969A FR2775985B1 (fr) 1996-11-25 1998-03-11 Procede pour controler l'absorption d'hydrogene et faciliter l'elimination d'hydrogene d'un alliage d'aluminium
GB9805469A GB2335204A (en) 1996-11-25 1998-03-13 Coating aluminium alloys prior to heat treatment.

Publications (2)

Publication Number Publication Date
FR2775985A1 FR2775985A1 (fr) 1999-09-17
FR2775985B1 true FR2775985B1 (fr) 2000-06-02

Family

ID=27438769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802969A Expired - Fee Related FR2775985B1 (fr) 1996-03-15 1998-03-11 Procede pour controler l'absorption d'hydrogene et faciliter l'elimination d'hydrogene d'un alliage d'aluminium

Country Status (3)

Country Link
US (1) US5753056A (fr)
FR (1) FR2775985B1 (fr)
GB (1) GB2335204A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5753056A (en) * 1996-11-25 1998-05-19 Aluminum Company Of America Transition metal salt compositions that eliminate hydrogen absorption and enhance hydrogen degassing of aluminum
US6355121B1 (en) * 1996-11-25 2002-03-12 Alcoa Inc. Modified etching bath for the deposition of a protective surface chemistry that eliminates hydrogen absorption at elevated temperatures
US5985059A (en) * 1996-11-25 1999-11-16 Aluminum Company Of America Transition metal salt compositions that eliminate hydrogen absorption and enhance hydrogen degassing of metal and metal alloys
US6013142A (en) * 1997-05-19 2000-01-11 Henkel Corporation Composition and process for preventing blistering during heat treating of aluminum alloys
US6120618A (en) * 1997-07-18 2000-09-19 Alcoa Inc. Hydrocarbon phosphonic acid surface treatment that eliminates hydrogen absorption and enhances hydrogen degassing of aluminum at elevated temperatures
FR2824315B1 (fr) * 2001-05-07 2003-09-05 Flexilab Dispositif doseur de poudres
US6881491B2 (en) * 2003-05-16 2005-04-19 Alcoa Inc. Protective fluoride coatings for aluminum alloy articles
US8292206B2 (en) * 2010-02-26 2012-10-23 GM Global Technology Operations LLC Hydrogen-induced ductility in aluminum and magnesium alloys
US8512872B2 (en) 2010-05-19 2013-08-20 Dupalectpa-CHN, LLC Sealed anodic coatings
US8609254B2 (en) 2010-05-19 2013-12-17 Sanford Process Corporation Microcrystalline anodic coatings and related methods therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995479A (en) * 1961-08-08 Degassing aluminum articles
US2885313A (en) * 1958-03-26 1959-05-05 Aluminum Co Of America Process of treating magnesium-bearing aluminum base alloys with fluoroborate
US2885315A (en) * 1958-03-26 1959-05-05 Aluminum Co Of America Process of treating magnesium-bearing aluminum base alloys with boron trifluoride
US2885316A (en) * 1958-07-21 1959-05-05 Aluminum Co Of America Method for degassing aluminum articles by means of a vaporous fluoride
FR2385809A1 (fr) * 1977-03-31 1978-10-27 Forgeal Forgeage Estampage All Procede de traitement thermique et de trempe des pieces forgees
US4391655A (en) * 1981-09-28 1983-07-05 Reynolds Metals Company Treatment for the alleviation of high temperature oxidation of aluminum
US5052421A (en) * 1988-07-19 1991-10-01 Henkel Corporation Treatment of aluminum with non-chrome cleaner/deoxidizer system followed by conversion coating
JP2762773B2 (ja) * 1991-06-19 1998-06-04 住友金属工業株式会社 ＡｌまたはＡｌ合金板およびその製造法
US5753056A (en) * 1996-11-25 1998-05-19 Aluminum Company Of America Transition metal salt compositions that eliminate hydrogen absorption and enhance hydrogen degassing of aluminum

Also Published As

Publication number Publication date
US5753056A (en) 1998-05-19
GB2335204A (en) 1999-09-15
FR2775985A1 (fr) 1999-09-17
GB9805469D0 (en) 1998-05-13

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Legal Events

Date Code Title Description
ST Notification of lapse