BE887121A - PROCESS FOR THE FORMATION OF ZINC-ALUMINUM COATING - Google Patents
PROCESS FOR THE FORMATION OF ZINC-ALUMINUM COATING Download PDFInfo
- Publication number
- BE887121A BE887121A BE6/47373A BE887121DA BE887121A BE 887121 A BE887121 A BE 887121A BE 6/47373 A BE6/47373 A BE 6/47373A BE 887121D A BE887121D A BE 887121DA BE 887121 A BE887121 A BE 887121A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- zinc
- aluminum
- metal bath
- weight
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 238000000576 coating method Methods 0.000 title description 9
- 239000011248 coating agent Substances 0.000 title description 7
- 229910000611 Zinc aluminium Inorganic materials 0.000 title description 3
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 title description 3
- 230000015572 biosynthetic process Effects 0.000 title description 3
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 4
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/04—Pretreatment of the material to be coated
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Coating With Molten Metal (AREA)
Description
Procédé pour la formation de revêtement zinc-aluminium.
La présente invention a trait à un procédé pour la formation de revêtement zinc-aluminium sur un substrat constitué par un matériau quelconque, mais de préférence des tôles en acier.
<EMI ID=1.1>
<EMI ID=2.1>
tallique fondu, de composition appropriée. L'exemple qui vient le premier à l'esprit est la galvanisation au trempé, que ce soit à façon ou en continu.
Toutefois, quoique les précédée de la galvanisation traditionnelle assurent toujours une protection efficace contre la corrosion, il est apparu que la mise en oeuvre de revêtements ob-
<EMI ID=3.1>
nait naissance à des couches de revêtements à caractère protecteur encore plus marquée et donc d'autant plus efficaces.
Les recherches développées dans ce sens ont eu pour conséquence l'apparition de nouveaux types de revêtements, tels que
<EMI ID=4.1>
<EMI ID=5.1>
Les études ultérieures ont eu pour idée directrice
<EMI ID=6.1>
<EMI ID=7.1>
corrosion et ce, dans les milieux les plus divers.
<EMI ID=8.1>
<EMI ID=9.1>
que* pour assurer ua revêtement de qualité, certaine des alliages de revêtement développés précédemment exigeaient des traitaoceota de surfaces préliminaires fort coûteux et de ce fait des installations dont la conception et la mise en oeuvre ne l'étaient pas moins.
les considérations ci-dessus expliquent l'intérêt que les chercheurs portent à l'obtention d'un ,bain métallique de revêtement par trempé, de composition telle qu'aucune préparation de surface spéciale et
<EMI ID=10.1>
face ou autres défauts.
La présente intention s'inscrit dans le cadre de ces
<EMI ID=11.1>
<EMI ID=12.1>
l'invention sont le fruit de travaux ayant trait. l'influence de . l'addition de terrée rares aux bains d'alliages bien connus.
<EMI ID=13.1> _Le procédé, objet de la présente invention, est
<EMI ID=14.1>
lique composé pour la majorité de zinc et d'aluminium, mais contenant en outre une certaine proportion d'un alliage de terres rares
<EMI ID=15.1>
Parmi cee métaux particuliers. on peut citer prin-
<EMI ID=16.1>
comte des impuretés, ou sous forme de traces.
Suivant une première variante dans la mise en
<EMI ID=17.1>
port. 3 à 15 % en poids d'aluminium.
Une deuxième modalité d'application du procédé
<EMI ID=18.1>
aluminium* de l'antimoine et du plomb.
Une troisième modalité de mise en oeuvre du procédé de l'invention consiste à utiliser un bain métallique contenant du sise, de l'aluminium, du magnésium, du plomb et éventuellement du cuivre.
Une quatrième modalité de miae en oeuvre du pro-
<EMI ID=19.1>
<EMI ID=20.1>
poids) .
<EMI ID=21.1>
<EMI ID=22.1>
<EMI ID=23.1> <EMI ID=24.1>
ximative suivante (en % en poids)
<EMI ID=25.1>
Dans une autre variante encore du procédé de l'inven-
<EMI ID=26.1>
proximative suivante : (on % en poids)
<EMI ID=27.1>
Une douzième modalité d'application du procédé de
<EMI ID=28.1>
Une treizième modalité de mise en oeuvre du procédé
<EMI ID=29.1>
miachmetall et Ce-mischmetall en quantité telle que la somme de leurs concentrations représente moins de 0,01 % en poids du bain précité.
<EMI ID=30.1>
1. Procédé de formation de revêtement Zn-Al sur un substrat constitué par un matériau quelconque, mais de préférence des tales en acier, caractérisé en ce que l'on utilise un bain métallique composé pour la majorité de zinc et d'aluminium, mais contenant en outre une certaine proportion d'un alliage de terres rares et d'autres métaux, appelé mischmetall, proportion supérieure ou
<EMI ID=31.1>
Process for the formation of zinc-aluminum coating.
The present invention relates to a process for the formation of zinc-aluminum coating on a substrate made of any material, but preferably steel sheets.
<EMI ID = 1.1>
<EMI ID = 2.1>
molten metal, of suitable composition. The example that comes first to mind is dip galvanization, whether custom or continuous.
However, although those preceded by traditional galvanizing still provide effective protection against corrosion, it has become apparent that the use of coatings
<EMI ID = 3.1>
Even more marked and therefore even more effective layers of protective coatings are born.
Research developed in this direction has resulted in the appearance of new types of coatings, such as
<EMI ID = 4.1>
<EMI ID = 5.1>
Subsequent studies had as their guiding idea
<EMI ID = 6.1>
<EMI ID = 7.1>
corrosion in the most diverse environments.
<EMI ID = 8.1>
<EMI ID = 9.1>
that * to ensure a quality coating, some of the coating alloys developed previously required very expensive preliminary surface treatment and therefore installations whose design and implementation were no less.
the above considerations explain the interest which the researchers take in obtaining a metallic coating bath by dipping, of a composition such as no special surface preparation and
<EMI ID = 10.1>
face or other faults.
This intention is part of these
<EMI ID = 11.1>
<EMI ID = 12.1>
the invention are the result of work relating to it. the influence of. the addition of rare earth to well-known alloy baths.
<EMI ID = 13.1> _The process which is the subject of the present invention is
<EMI ID = 14.1>
lique composed mainly of zinc and aluminum, but also containing a certain proportion of a rare earth alloy
<EMI ID = 15.1>
Among these particular metals. we can cite prin-
<EMI ID = 16.1>
count of impurities, or in the form of traces.
According to a first variant in the implementation
<EMI ID = 17.1>
Harbor. 3 to 15% by weight of aluminum.
A second method of applying the process
<EMI ID = 18.1>
aluminum * antimony and lead.
A third method of implementing the process of the invention consists in using a metal bath containing seat, aluminum, magnesium, lead and possibly copper.
A fourth modality of implementation of the pro-
<EMI ID = 19.1>
<EMI ID = 20.1>
weight).
<EMI ID = 21.1>
<EMI ID = 22.1>
<EMI ID = 23.1> <EMI ID = 24.1>
next ximative (in% by weight)
<EMI ID = 25.1>
In yet another variant of the process of the invention
<EMI ID = 26.1>
following approximative: (on% by weight)
<EMI ID = 27.1>
A twelfth method of applying the
<EMI ID = 28.1>
A thirteenth method of implementing the process
<EMI ID = 29.1>
miachmetall and Ce-mischmetall in an amount such that the sum of their concentrations represents less than 0.01% by weight of the abovementioned bath.
<EMI ID = 30.1>
1. A method of forming a Zn-Al coating on a substrate made of any material, but preferably steel plates, characterized in that a metal bath is used, the majority of which is zinc and aluminum, but additionally containing a certain proportion of an alloy of rare earths and other metals, called mischmetall, higher proportion or
<EMI ID = 31.1>
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE887121 | 1981-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE887121A true BE887121A (en) | 1981-05-14 |
Family
ID=3861902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE6/47373A BE887121A (en) | 1981-01-16 | PROCESS FOR THE FORMATION OF ZINC-ALUMINUM COATING |
Country Status (9)
| Country | Link |
|---|---|
| KR (1) | KR880002516B1 (en) |
| AR (1) | AR227220A1 (en) |
| BE (1) | BE887121A (en) |
| CS (1) | CS261856B2 (en) |
| DD (1) | DD220342A5 (en) |
| MX (1) | MX161324A (en) |
| NZ (1) | NZ199491A (en) |
| YU (1) | YU43509B (en) |
| ZA (1) | ZA8291B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101143180B1 (en) * | 2009-05-19 | 2012-05-08 | 주식회사 포스코 | Hot-dip zinc-alloy plating bath, Hot-dip zinc-alloy-plated steel and method for manufacturing the same |
-
0
- BE BE6/47373A patent/BE887121A/en unknown
-
1981
- 1981-12-29 KR KR1019810005198A patent/KR880002516B1/en not_active Expired
-
1982
- 1982-01-04 AR AR288029D patent/AR227220A1/en active
- 1982-01-07 ZA ZA8291A patent/ZA8291B/en unknown
- 1982-01-12 YU YU57/82A patent/YU43509B/en unknown
- 1982-01-14 NZ NZ199491A patent/NZ199491A/en unknown
- 1982-01-15 MX MX7778A patent/MX161324A/en unknown
- 1982-01-15 CS CS82323A patent/CS261856B2/en unknown
- 1982-01-15 DD DD82236795A patent/DD220342A5/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MX161324A (en) | 1990-09-10 |
| CS261856B2 (en) | 1989-02-10 |
| CS32382A2 (en) | 1988-07-15 |
| YU5782A (en) | 1985-04-30 |
| DD220342A5 (en) | 1985-03-27 |
| NZ199491A (en) | 1985-08-30 |
| AR227220A1 (en) | 1982-09-30 |
| ZA8291B (en) | 1982-11-24 |
| KR880002516B1 (en) | 1988-11-26 |
| YU43509B (en) | 1989-08-31 |
| KR830007872A (en) | 1983-11-07 |
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