EP0943695B1 - Draht auf Basis von Zink und Aluminium und seine Verwendung beim thermischen Spritzen als Korrosionsschutz - Google Patents

Draht auf Basis von Zink und Aluminium und seine Verwendung beim thermischen Spritzen als Korrosionsschutz Download PDF

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Publication number
EP0943695B1
EP0943695B1 EP99104369A EP99104369A EP0943695B1 EP 0943695 B1 EP0943695 B1 EP 0943695B1 EP 99104369 A EP99104369 A EP 99104369A EP 99104369 A EP99104369 A EP 99104369A EP 0943695 B1 EP0943695 B1 EP 0943695B1
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EP
European Patent Office
Prior art keywords
zinc
aluminum
weight
wire
indium
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
EP99104369A
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German (de)
English (en)
French (fr)
Other versions
EP0943695A1 (de
Inventor
Jochen Dr. Spriestersbach
Peter Staubwasser
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.)
Grillo Werke AG
Original Assignee
Grillo Werke AG
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Filing date
Publication date
Application filed by Grillo Werke AG filed Critical Grillo Werke AG
Publication of EP0943695A1 publication Critical patent/EP0943695A1/de
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Publication of EP0943695B1 publication Critical patent/EP0943695B1/de
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C22C18/04—Alloys based on zinc with aluminium as the next major constituent
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/131—Wire arc spraying

Definitions

  • the present invention relates to wire based on zinc and Aluminum, which can be used in thermal spraying as Corrosion protection, especially as corrosion protection against high Air humidity and high chloride ion concentrations e.g. in marine environment, Road salt etc.
  • DE 30 07 850 C2 describes the use of a zinc alloy as a powder for mechanical plating using an alloy made of zinc and one or more alloy additives, such as 0.1 to 60% Aluminum, up to 5% nickel, up to 3% magnesium, up to 3% copper, up to 2% silicon, up to 1.5% titanium, up to 1% antimony, up to 1% silver, up to 0.5% chromium, 0.5% Beryllium, up to 0.1% calcium, up to 0.1% cobalt, up to 0.1% sodium, up to 0.1% Potassium, 0.1% indium, up to 0.05% lithium, 0.05% strontium, each based on the total weight of the alloy, excluding the weight of the Pollution.
  • alloy additives such as 0.1 to 60% Aluminum, up to 5% nickel, up to 3% magnesium, up to 3% copper, up to 2% silicon, up to 1.5% titanium, up to 1% antimony, up to 1% silver, up to 0.5% chromium, 0.5% Beryllium, up to 0.1% calcium, up to 0.1% co
  • the method according to DE 30 07 850 C2 also mechanically plating parts after degreasing a surface cleaning and Conditioning and an arc coating for Manufactured subject to a coating.
  • the coatings thus produced are additionally subjected to a chromate treatment.
  • This method differs fundamentally from thermal spraying with the help of Wires that are used by wire flame spraying or wire arc spraying Application come. Wire flame spraying and wire arc spraying can also be retrofitted with finished components or on site with bridges, Scaffolding, cranes etc. are used. However, roll cladding is subsequently no longer possible.
  • WO 97/44502 describes the coating of hot rolled Iron metal sheets with approx. 30 ⁇ m of a zinc / aluminum alloy, around which Protect the surface of the sheet from oxidation.
  • JP 77-80657 (DATABASE WPI Section Ch, Week 7745 Derwent Publication) describes sacrificial electrodes made of zinc, 5 to 19% aluminum and 0.03 to 0.4 % By weight indium with increased service life.
  • the DD-PS 4 822 describes that it is possible to use zinc-aluminum alloys in the Area of eutectoid decay by annealing and subsequent Deterred from objects with high reshaping ability to process.
  • a wire can be extruded from this material an alloy with 80% zinc and 20% aluminum.
  • wires for thermal spraying have either been made of fine zinc a pure zinc / aluminum alloy with 15% by weight aluminum or Aluminum with 5% by weight magnesium.
  • thermally sprayed surfaces made of fine zinc or zinc with 15 wt .-% aluminum is that these are among the above Conditions corrode quickly and more than aluminum and 5% magnesium. Therefore, for zinc and zinc-aluminum coatings, under moisture and Chloride pollution, further protective measures such as paint coatings necessary.
  • the invention has therefore set itself the task of zinc wire based on zinc and aluminum, which is both in the condensation test good corrosion resistance in the salt spray test according to DIN 50021 and, if possible, the corrosion resistance of aluminum with 5% magnesium also against high air humidity and high Chloride ion content, i.e. the salt spray test according to DIN 50021 or is even more corrosion resistant.
  • This task has now been solved with zinc and wire Aluminum, which in addition to zinc and the usual impurities 8 to 33 % By weight of aluminum and 10 up to 500 ppm indium and less than 0.1 % By weight copper, less than 0.1% by weight iron and less than 1% by weight lead contains.
  • This wire preferably contains 10 to 24% by weight of aluminum and 10 up to 300 ppm indium.
  • Wire with a content of 15 to 22% by weight is very particularly preferred.
  • the wire according to the invention can be produced by conventional methods be, namely by casting the liquid alloy as Cast strand with subsequent rolling and drawing. For this Processes are again alloys with only 10 to 24% by weight Aluminum preferred as alloys with a higher aluminum content are more difficult to process.
  • the wire according to the invention can be used in the usual way thermal spraying can be used, for example by Wire flame spraying or wire arc spraying. This procedure differ mainly by different process temperatures and therefore also through different order efficiencies.
  • Figure 1 shows that the condensation test the worst according to DIN 50018-KFW 0.2 s pure zinc Has values, but also aluminum with 5% by weight magnesium corroded.
  • the previously common zinc wire with 15% by weight Aluminum has good values here.
  • Zinc wires with 22, 33 and 55 wt .-% aluminum already have worse values.
  • Zinc alloys with more than 25% by weight Aluminum is becoming increasingly difficult to process into wire.
  • Example 2 The same wires as in Example 1 were subjected to the salt spray test subject to DIN 50021 - SS. The results are in the Figure 2 reproduced. It follows that again Feinzink gives the worst results and on top of that in shows considerable red rust formation. In contrast shows that previously chosen aluminum for such conditions with 5% Magnesium significantly better values and no red rust formation.
  • Zinc and aluminum wires containing 22% by weight Aluminum and increasing amounts of indium were subjected to the salt spray test exposed to DIN 50021 - ss. The results are in the Figure 3 compiled, again for comparison Fine zinc and zinc with 15% aluminum are also shown. From this it follows that already 20 ppm indium to a considerable Perform and improve the corrosion behavior increasing amounts of indium further corrosion behavior can be improved. Amounts of over 500 ppm are indium neither responsible for price, nor lead to one further improvement of properties. On top of that is too note that by adding large amounts of indium the Processability of the alloy to wire deteriorates.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coating By Spraying Or Casting (AREA)
EP99104369A 1998-03-17 1999-03-04 Draht auf Basis von Zink und Aluminium und seine Verwendung beim thermischen Spritzen als Korrosionsschutz Expired - Lifetime EP0943695B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19811447 1998-03-17
DE19811447A DE19811447C2 (de) 1998-03-17 1998-03-17 Draht auf Basis von Zink und Aluminium und seine Verwendung beim thermischen Spritzen als Korrosionsschutz

Publications (2)

Publication Number Publication Date
EP0943695A1 EP0943695A1 (de) 1999-09-22
EP0943695B1 true EP0943695B1 (de) 2003-10-29

Family

ID=7861119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104369A Expired - Lifetime EP0943695B1 (de) 1998-03-17 1999-03-04 Draht auf Basis von Zink und Aluminium und seine Verwendung beim thermischen Spritzen als Korrosionsschutz

Country Status (5)

Country Link
EP (1) EP0943695B1 (no)
DE (2) DE19811447C2 (no)
DK (1) DK0943695T3 (no)
NO (1) NO328823B1 (no)
PT (1) PT943695E (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500948B8 (de) * 2004-12-16 2007-02-15 Brunner Verzinkerei Brueder Ba Korrosionsschutzschicht, verfahren zum erzeugen einer korrosionsschutzschicht, mittel und anlage zum durchführen des verfahrens
EP1762639A1 (en) * 2005-09-13 2007-03-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Heat transfer tube for LNG vaporizer, its production method, and LNG vaporizer using such heat transfer tubes
CN102653831A (zh) * 2012-03-30 2012-09-05 长兴县华峰喷焊材料电炉有限公司 一种热喷涂锌铝合金丝及其制备方法
EP2803751A1 (de) * 2013-05-16 2014-11-19 Linde Aktiengesellschaft Verfahren zum Aufbringen einer Antikorrosionsbeschichtung
DE102016101478A1 (de) 2016-01-28 2017-08-03 Balver Zinn Josef Jost GmbH & Co. KG Verwendung einer Legierungszusammensetzung zur Herstellung thermisch gespritzter Korrosionsschutzschichten
CN111496006B (zh) * 2020-06-03 2022-04-19 铜陵龙峰新材料有限公司 一种金属化薄膜电容器端面喷金用锌合金丝的制备方法
DE102021005998A1 (de) 2021-12-04 2023-06-07 Dr. Rosert RCT GmbH Zusatzwerkstoff zum thermischen Spritzen sowie Herstellungsverfahren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD4822A (no) *
GB2046302A (en) * 1979-03-02 1980-11-12 Mitsui Mining & Smelting Co Zinc alloy powder
GB2313382A (en) * 1996-05-23 1997-11-26 Vidal Henri Brevets Metal coating

Also Published As

Publication number Publication date
NO328823B1 (no) 2010-05-25
DE19811447A1 (de) 1999-09-30
NO991268L (no) 1999-09-20
DE59907492D1 (de) 2003-12-04
DE19811447C2 (de) 2002-08-08
DK0943695T3 (da) 2004-03-15
NO991268D0 (no) 1999-03-16
PT943695E (pt) 2004-03-31
EP0943695A1 (de) 1999-09-22

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