US20030150527A1 - Method for treating or pre-treating components comprising aluminum surfaces - Google Patents

Method for treating or pre-treating components comprising aluminum surfaces Download PDF

Info

Publication number
US20030150527A1
US20030150527A1 US10/258,893 US25889303A US2003150527A1 US 20030150527 A1 US20030150527 A1 US 20030150527A1 US 25889303 A US25889303 A US 25889303A US 2003150527 A1 US2003150527 A1 US 2003150527A1
Authority
US
United States
Prior art keywords
fluoride
phosphatizing
aluminium
bath
solution
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.)
Abandoned
Application number
US10/258,893
Other languages
English (en)
Inventor
Edgar Busch
J?ouml;rg Hieke
Thomas Kolberg
Peter Schubach
Harald Jaschke
Christoph Klocke
Alfred Rutka
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.)
Bayerische Motoren Werke AG
Chemetall GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to CHEMETALL GMBH, BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT reassignment CHEMETALL GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JASCHKE, HARALD, KLOCKE, CHRISTOPH, RUTKA, ALFRED, BUSCH, EDGAR, HIEKE, JORG, KOLBERG, THOMAS, SCHUBACH, PETER
Publication of US20030150527A1 publication Critical patent/US20030150527A1/en
Priority to US11/483,111 priority Critical patent/US20070119520A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/36—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/36—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
    • C23C22/364—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing also manganese cations
    • C23C22/365—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing also manganese cations containing also zinc and nickel cations

Definitions

  • the invention relates to a method for the treatment or pretreatment of parts with aluminium surfaces.
  • Phosphatizing methods for aluminium and aluminium alloys are known in principle.
  • fluoride-modified phosphatizing methods with at least 150 mg/l free fluoride have proved to be particularly successful. These methods are important in particular in the automotive industry and are chiefly used when a mix of substrates of various metals or alloys is passed through the plants.
  • DE-A1-197 35 314 describes a method for the pretreatment of components with aluminium surfaces—if applicable in the presence of magnesium, steel and/or zinc surfaces—in a phosphatizing plant in which the components are degreased by means of a degreasing solution, are phosphatized by treatment with a phosphatizing solution containing fluoride, and are subsequently passivated by treatment with a passivating solution.
  • the proportion of the aluminium and/or magnesium surface with respect to the entire surface of the components to be treated is at least 10% in this connection.
  • the fluoride should be added to the phosphatizing solution exclusively as complex-bound fluoride, and the free-fluoride ion content formed therefrom in the phosphatizing solution for phosphatizing the steel and/or zinc surfaces without phosphatizing the aluminium and/or magnesium surfaces should be maintained at less than 100 mg/l.
  • the passivating solution should also be composed in such a way that it passivates the phosphatized steel and/or zinc surfaces and forms a conversion layer on the aluminium and/or magnesium surfaces.
  • this method has the disadvantage that it can only be used with comparatively small surface proportions in terms of aluminium surfaces, mostly only up to approximately 20% by surface of all the surfaces to be treated, with respect to the mix of substrates.
  • cryolite and/or related precipitates are still formed in the pretreatment bath, and that with an increased aluminium content of the phosphatizing solution the layer-forming reactions, in particular on iron and steel surfaces, are impaired so that the entire mix of substrates of various metal and alloy surfaces can no longer be coated well in the bath in a uniform manner.
  • the object is achieved by means of a method for the treatment or pretreatment of parts, sections, strips or wires with surfaces of aluminium or alloys containing aluminium—if applicable in the presence of surfaces of further metals or alloys—with an acid aqueous solution containing fluoride and phosphate, which method is characterised in that the fluoride is at least partly present in the solution as free fluoride, and in that, in the bath of the phosphatizing solution
  • the free-fluoride content is maintained at a concentration in the region from 5 to 500 mg/l F free .
  • the aluminium content is maintained at a concentration in the region of ⁇ 100 mg/l Al ions (including complex-bound Al)
  • aluminium is solubilized at the metallic surface, and an aluminium content is absorbed into the phosphatizing solution.
  • a certain aluminium content may, however, also get into the phosphatizing solution from other sources, for example from chemicals introduced into the rinsing solution.
  • the aluminium content can mainly be decreased or completely be decreased by precipitation, but in part also by complex formation.
  • the content of free fluoride in the phosphatizing solution is preferably maintained in a range from 6 to 120 mg/l, in particular preferably in a range from 10 to 80 mg/l, and especially preferably in a range from 20 to 50 mg/l.
  • the aluminium content in the phosphatizing solution is preferably maintained at values ⁇ 80 mg/l, in particular preferably ⁇ 60 mg/l, and especially preferably ⁇ 30 mg/l.
  • the method in accordance with the invention is distinguished by virtue of the fact that in the precipitation tank or in the separate zone of the bath aluminium is precipitated in the phosphatizing solution by adding alkali ions, fluoride complexes and/or fluoride ions, in particular by means of Na or K ions or by means of at least one easily dissociating fluoride such as, for example, NaF, NH 4 F, NaHF 2 or KF.
  • the AlF x complex may be present in an already precomplexed form in this case. It is advantageous to control the method in accordance with the invention in such a way that despite the addition of F the content of free fluoride in the bath is not increased.
  • the alkali ion contents in the phosphatizing bath preferably amount to 1 to 20 g/l and are preferably also maintained in this range, in particular in the range from 3 to 10 g/l.
  • the alkali ion content may also lie far above the concentration of 20 g/l, for example at 30 g/l. In many cases, however, given such a high alkali concentration, instability of the bath may occur. In the case of a mixture of various alkali ions one beside the other, a dominant sodium and/or potassium ion content is preferred.
  • the free-fluoride concentration of the phosphatizing solution in the phosphatizing bath is 8 to 80 mg/l and in particular is 10 to 50 mg/l; and the concentration in the precipitation tank or in the separate zone of the bath container is 5 to 500 mg/l free fluoride, in particular 20 to 200 mg/l, and especially preferably 30 to 120 mg/l. It is therefore also preferable to maintain these contents at these concentrations.
  • a closed phosphate layer is formed on the metallic surfaces from the phosphatizing bath at contents above 120 mg/l free fluoride, if the content with respect to cations co-precipitated with the phosphate, such as Zn, Cu, Ni, Fe, Mn etc., is not very small.
  • the formation of a phosphate layer on the aluminium surfaces for reasons of protection against corrosion is not absolutely necessary. Therefore, a free-fluoride content above 120 mg/l will not usually be chosen, although in accordance with the invention it is also possible to operate above this value, because it causes additionally a higher consumption of chemicals and a larger amount of precipitated sludge of cryolite and/or related precipitates.
  • a difference in the free-fluoride concentration between the phosphatizing bath and the precipitation tank or separate zone in the bath of 30 to 60 mg/l should preferably be adjusted and maintained.
  • the method in accordance with the invention will be utilized in such a way that the dwell time of the phosphatizing solution in the precipitation tank or in the separate precipitation zone is up to 1 h, often up to 0.5 h.
  • the volume flow from the bath to the precipitation tank and back is adjusted in accordance with the chosen volumes or partial volumes as well as the desired aluminium content in the phosphatizing bath.
  • part for the purposes of this application includes all kinds and shapes of sheets, strips and sections, moulded articles, semifinished products, components, assemblies etc.
  • the parts, sections, strips and/or wires to be treated or pretreated are usually cleaned, rinsed and, if appropriate and separately from the rinsing and cleaning stages, brought into contact with an activating solution, for example on the basis of colloidally dispersed titanium phosphate, prior to pickling/phosphatizing.
  • the treated or pretreated parts, sections, strips and/or wires can be rinsed and/or passivated, in particular by means of a passivating solution on the basis of a chromate-containing compound, titanium fluoride, zirconium fluoride, a soluble rare-earth compound—in particular a cerium-containing compound, self-organizing molecules, for example on the basis of phosphonate, on the basis of silane, a polymer soluble and/or dispersible in solvent.
  • a passivating solution on the basis of a chromate-containing compound, titanium fluoride, zirconium fluoride, a soluble rare-earth compound—in particular a cerium-containing compound, self-organizing molecules, for example on the basis of phosphonate, on the basis of silane, a polymer soluble and/or dispersible in solvent.
  • the treated or pretreated and/or passivated parts, sections, strips and/or wires may be dried. In some cases, for example in the case of immediately following electro-dipcoating, drying is not, however, required.
  • the precipitation of the aluminium may be effected under normal pressure and at a temperature in the range from room temperature to 70° C., in particular at a temperature in the range from 40 to 60° C.
  • the formation of the conversion or passivation layer may be effected under normal pressure and at a temperature from room temperature to 70° C., preferably at 35 to 60° C.
  • the pH value usually lies in the range from 2 to 4. In principle, the pH value of phosphatizing baths always lies in the range around pH 3.
  • the bath At values of pH ⁇ 4.0, the bath is usually unstable, whilst at values of pH ⁇ 2.0 the bath is so stable that usually there is no good formation of layers, because the displacement of the pH value at the freshly pickled metallic surface is not sufficient for deposition of the conversion layer.
  • the treated or pretreated and/or passivated parts, sections, strips and/or wires can be coated with a lacquer, with another kind of organic coating, with a film and/or with an adhesive layer, if applicable printed and if applicable reshaped, where the metal parts coated in this way can in addition be bonded, welded and/or otherwise connected together with other parts.
  • the products produced in accordance with the invention can be used in the automotive industry, in the aeronautical industry, in apparatus and machine construction, in the furniture industry, in the building trade, for household appliances, electrical appliances, measuring instruments, control devices, testing devices, construction elements, housings, panellings, shelf systems, racks, frames, dividers, partitions, trim panels, lighting fixtures, crash barriers, radiator or fence elements as well as small parts, in particular for car body parts or car bodies.
  • FIG. 1 shows a flow diagram in which one possible principle out of several principles of the separate aluminium deposition is represented schematically.
  • the phosphatizing method in accordance with the invention has the advantage that the sludge with its cryolite content and/or related precipitates content is largely obtained in a separate precipitation zone or in a separate precipitation tank and can be disposed of from there.
  • the method in accordance with the invention it is also possible to treat or pretreat different metallic substrates in one mix, without the formation of layers, for example on steel, being impaired as a result.
  • the reduced free-fluoride contents in the phosphatizing solution there is also a reduced pickling attack against aluminium-containing surfaces, which also gives rise to a correspondingly reduced formation of sludge.
  • Fluoride measurement Orion Model 960 with ion-selective electrode
  • a standard phosphatizing solution was prepared from p.a. chemicals to have following composition:
  • Test 1 no precipitation of aluminium was observed over the period of 5 days.
  • Tests 4, 8 and 15 revealed a drastic reduction in the aluminium content even within 15 minutes.
  • Increased alkali contents are preferred in conjunction with increased free-fluoride contents.
  • SiF 6 was added because of the stability of the phosphatizing solution and for usability for a mix of various kinds of metallic surfaces, in particular to avoid stippling on zinc-plated or zinc-containing surfaces.
  • This feed corresponds to about 40 car bodies per hour with an aluminium-surface proportion of 50% and a pickling attack of approximately 1 g/m 2 during the contact time.
  • Al(ppm) (((200 m 3 ⁇ partial stream) ⁇ conc. Al in ppm after 1 h+(partial stream ⁇ rest Al in ppm after precipitation))/200)+Al in ppm from feed via pickling attack/h.

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
US10/258,893 2000-05-31 2001-05-19 Method for treating or pre-treating components comprising aluminum surfaces Abandoned US20030150527A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/483,111 US20070119520A1 (en) 2000-05-31 2006-07-07 Method for treating or pre-treating components comprising aluminum surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10026850.1 2000-05-31
DE10026850A DE10026850A1 (de) 2000-05-31 2000-05-31 Verfahren zum Behandeln bzw. Vorbehandeln von Bauteilen mit Aluminium-Oberflächen

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/483,111 Continuation US20070119520A1 (en) 2000-05-31 2006-07-07 Method for treating or pre-treating components comprising aluminum surfaces

Publications (1)

Publication Number Publication Date
US20030150527A1 true US20030150527A1 (en) 2003-08-14

Family

ID=7644139

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/258,893 Abandoned US20030150527A1 (en) 2000-05-31 2001-05-19 Method for treating or pre-treating components comprising aluminum surfaces
US11/483,111 Abandoned US20070119520A1 (en) 2000-05-31 2006-07-07 Method for treating or pre-treating components comprising aluminum surfaces

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/483,111 Abandoned US20070119520A1 (en) 2000-05-31 2006-07-07 Method for treating or pre-treating components comprising aluminum surfaces

Country Status (9)

Country Link
US (2) US20030150527A1 (de)
EP (1) EP1290242B1 (de)
JP (1) JP2003535220A (de)
AT (1) ATE260349T1 (de)
AU (1) AU7633701A (de)
DE (2) DE10026850A1 (de)
ES (1) ES2215920T3 (de)
WO (1) WO2001092597A2 (de)
ZA (1) ZA200209670B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030183247A1 (en) * 2002-03-28 2003-10-02 Kool Lawrence Bernard Method for processing acid treatment solution, solution processed thereby, and method for treating articles therewith
CN102094195A (zh) * 2011-01-14 2011-06-15 中国科学院宁波材料技术与工程研究所 一种金属材料表面的磷化处理方法
CN102959127A (zh) * 2010-06-30 2013-03-06 汉高股份有限及两合公司 选择性磷化处理复合金属结构物的方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002066702A1 (en) 2001-02-16 2002-08-29 Henkel Kommanditgesellschaft Auf Atkien Process for treating multi-metal articles
AU2003250917A1 (en) 2002-07-10 2004-02-02 Chemetall Gmbh Method for coating metallic surfaces
EP2915903B1 (de) * 2014-03-05 2018-02-21 The Boeing Company Chromfreie Umwandlungsbeschichtung
WO2019053023A1 (en) * 2017-09-14 2019-03-21 Chemetall Gmbh PROCESS FOR THE PRETREATMENT OF ALUMINUM MATERIALS, ESPECIALLY ALUMINUM WHEELS
JP7394761B2 (ja) * 2017-12-12 2023-12-08 ケメタル ゲゼルシャフト ミット ベシュレンクテル ハフツング クリオライトを含有する析出物を除去するためのホウ酸を含まない組成物
DE102020116345B3 (de) * 2020-06-22 2021-04-08 Möller Chemie GmbH & Co. KG Verfahren zur Regeneration einer erschöpften, Schwefelsäure enthaltenden Behandlungsflüssigkeit aus der Aluminiumveredelung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5308413A (en) * 1990-04-24 1994-05-03 Nippon Paint Co., Ltd. Process for phosphating metal surface to make thereon a zinc phosphate coating film
US5536336A (en) * 1993-12-21 1996-07-16 Nippon Paint Co., Ltd. Method of phosphating metal surfaces and treatment solution

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200000A (en) * 1989-01-31 1993-04-06 Nihon Parkerizing Co., Ltd. Phosphate treatment solution for composite structures and method for treatment
KR100197145B1 (ko) * 1989-12-19 1999-06-15 후지이 히로시 금속표면의 인산아연 처리방법
JP2794013B2 (ja) * 1990-10-24 1998-09-03 日本パーカライジング株式会社 鉄―アルミニウム系金属板金構成体用リン酸塩化成処理液

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5308413A (en) * 1990-04-24 1994-05-03 Nippon Paint Co., Ltd. Process for phosphating metal surface to make thereon a zinc phosphate coating film
US5536336A (en) * 1993-12-21 1996-07-16 Nippon Paint Co., Ltd. Method of phosphating metal surfaces and treatment solution

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030183247A1 (en) * 2002-03-28 2003-10-02 Kool Lawrence Bernard Method for processing acid treatment solution, solution processed thereby, and method for treating articles therewith
US6793738B2 (en) * 2002-03-28 2004-09-21 General Electric Company Method for processing acid treatment solution, solution processed thereby, and method for treating articles therewith
CN102959127A (zh) * 2010-06-30 2013-03-06 汉高股份有限及两合公司 选择性磷化处理复合金属结构物的方法
CN102094195A (zh) * 2011-01-14 2011-06-15 中国科学院宁波材料技术与工程研究所 一种金属材料表面的磷化处理方法

Also Published As

Publication number Publication date
JP2003535220A (ja) 2003-11-25
DE10026850A1 (de) 2001-12-06
AU7633701A (en) 2001-12-11
WO2001092597B1 (de) 2002-05-23
ZA200209670B (en) 2003-11-28
DE50101560D1 (de) 2004-04-01
EP1290242B1 (de) 2004-02-25
WO2001092597A3 (de) 2002-04-25
ES2215920T3 (es) 2004-10-16
EP1290242A2 (de) 2003-03-12
ATE260349T1 (de) 2004-03-15
US20070119520A1 (en) 2007-05-31
WO2001092597A2 (de) 2001-12-06

Similar Documents

Publication Publication Date Title
US20070119520A1 (en) Method for treating or pre-treating components comprising aluminum surfaces
RU2748349C2 (ru) Улучшенный способ не содержащего никель фосфатирования металлических поверхностей
CA2373996C (en) Process and solution for providing a conversion coating on a metallic surface i
CA2632720C (en) Wet on wet method and chrome-free acidic solution for the corrosion control treatment of steel surfaces
CN100374619C (zh) 用于铝或镁金属表面处理的表面处理溶液以及表面处理方法
RU2510431C2 (ru) Жидкость для химической конверсионной обработки металлического материала и способ обработки
JP3883571B2 (ja) 金属を含有する後濯ぎ工程を有するリン酸塩処理方法
US8349092B2 (en) Process for coating metallic surfaces
US20110024001A1 (en) Zirconium-Vanadium Conversion Coating Compositions For Ferrous Metals And A Method For Providing Conversion Coatings
KR0183023B1 (ko) 금속표면의 인산아연 피막 처리방법
KR20090086405A (ko) 금속 복합재 표면의 부동태화를 위한 ｚｒ-/ｔｉ-함유 인산염처리 용액
CN101487115A (zh) 金属表面处理用处理液和表面处理方法
AU2004202524A1 (en) Method of surface treating metal and metal surface treated thereby
KR20040058038A (ko) 화성 처리제 및 표면 처리 금속
JP2024026135A (ja) 複合金属構造体の選択的リン酸塩処理方法
JPH04341574A (ja) 金属表面のリン酸亜鉛処理方法
JP2000504781A (ja) 低濃度のニッケル及び／又はコバルトを用いるリン酸亜鉛処理方法
CN111094624B (zh) 包括酸洗和转化处理的铝(特别是铸造铝合金)的两级预处理
JPH03240972A (ja) 金属表面のリン酸亜鉛処理方法
US11124880B2 (en) Method for nickel-free phosphating metal surfaces
JP2004043913A (ja) 金属化成処理方法
JPH06220647A (ja) 燐酸亜鉛被膜で被覆された電着塗装用アルミニウム系素材及び該アルミニウム系素材の燐酸亜鉛被膜形成方法
DE19723350A1 (de) Nachspülung von Phosphatschichten mit rutheniumhaltigen Lösungen
BR112018070593B1 (pt) Método para fosfatização de uma superfície metálica, composição de fosfatização livre de níquel, ácida e aquosa, e, concentrado

Legal Events

Date Code Title Description
AS Assignment

Owner name: CHEMETALL GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BUSCH, EDGAR;HIEKE, JORG;KOLBERG, THOMAS;AND OTHERS;REEL/FRAME:013776/0433;SIGNING DATES FROM 20021217 TO 20030108

Owner name: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, GERMA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BUSCH, EDGAR;HIEKE, JORG;KOLBERG, THOMAS;AND OTHERS;REEL/FRAME:013776/0433;SIGNING DATES FROM 20021217 TO 20030108

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION