DE634135C - Process for the aluminizing of objects made of iron and steel - Google Patents
Process for the aluminizing of objects made of iron and steelInfo
- Publication number
- DE634135C DE634135C DED65384D DED0065384D DE634135C DE 634135 C DE634135 C DE 634135C DE D65384 D DED65384 D DE D65384D DE D0065384 D DED0065384 D DE D0065384D DE 634135 C DE634135 C DE 634135C
- Authority
- DE
- Germany
- Prior art keywords
- aluminizing
- iron
- aluminum
- steel
- objects made
- 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
Links
- 238000000034 method Methods 0.000 title claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 9
- 238000005269 aluminizing Methods 0.000 title description 6
- 229910000831 Steel Inorganic materials 0.000 title description 4
- 229910052742 iron Inorganic materials 0.000 title description 4
- 239000010959 steel Substances 0.000 title description 4
- 238000000576 coating method Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 claims description 4
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- C23C2/12—Aluminium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Description
Verfahren zur Veraluminierung von Gegenständen aus Eisen und Stahl Der Erfolg des Verfahrens des Hauptpatents 632993, betreffend die Veraluminierung von Gegenständen aus Eisen -und Stahl, besteht darin, daß durch Ausschluß der Luft während der gesamten der Veraluminierung dienenden Maßnahmen, d. h. vom Einbringen der zu veraluminierenden Artikel in den Ofen bis zum Austritt der abgekühlten Gegenstände aus demselben, ein völlig dichter, geschxneidiger, d. h. biegsamer, nicht abblätternder und trotzdem dünner Aluminiumüberzug erzielt wird. Derselbe eignet sich infolge seiner Dichte auch zur Erzeugung von isolierenden und korrosionsbeständigen Oxydschichten, was .bei den bisherigen Veraluminierungsverfahren nicht möglich war. -Die Erfindung betrifft eine weitere Ausgestaltung des Verfahrens und ist dadurch gekennzeichnet, daß anstatt des Aluminiumschmelzbades zur Herstellung des Überzuges Alunjiniumlegerungen, insbesondere Aluminium-Zink-Legjerungen, verwendet werden.Process for the aluminizing of objects made of iron and steel The success of the process of the main patent 632993, concerning the aluminizing of objects made of iron and steel, consists in the fact that by excluding the air during the entire process of aluminizing, ie introducing the to be aluminized Articles in the oven until the cooled objects emerge from the same, a completely dense, flexible, ie flexible, non-flaking and nevertheless thin aluminum coating is achieved. Due to its density, it is also suitable for the production of insulating and corrosion-resistant oxide layers, which was not possible with the previous aluminizing processes. The invention relates to a further embodiment of the method and is characterized in that, instead of the molten aluminum bath, aluminum layers, in particular aluminum-zinc layers, are used to produce the coating.
Es hat sich herausgestellt, daß die Verwendung solcher Legierungen nicht nur die Geschmeidigkeit des Aluminiumüberzuges, sondern auch seine Dichte in überraschend günstigem Maße erhöht. Der Zusatz des Zinks zu der anzuwendenden Aluminium-Zink-Legierung bewegt sich in den für Aluminium-Zink-Legierungen normalen und üblichen Grenzen. Ein Optimum ist innerhalb eines Zusatzes von r bis ro % vorhanden.It has been found that the use of such alloys not only the suppleness of the aluminum coating, but also its density increased to a surprisingly favorable extent. The addition of zinc to the one to be applied Aluminum-zinc alloy is in the normal range for aluminum-zinc alloys and usual limits. An optimum is present within an addition of r to ro%.
Es hat sich des weiteren herausgestellt, daß die Verwendung von Aluminiumlegierungen zum Zwecke der Herstellung von Aluminiumüberzügen auf Eisen und Stahl, abgesehen von dem Verfahren des Hauptpatents, auch bei anderen Aluminierungsverfahren eine überraschende Verbesserung des Aluminiumüberzuges bedeutet.It has also been found that the use of aluminum alloys for the purpose of producing aluminum coatings on iron and steel from the process of the main patent, also one in other aluminizing processes means a surprising improvement in the aluminum coating.
Es braucht nicht besonders darauf hingewiesen zu werden, daß bei ,Anwendung von Aluminiumlegierungen für die Durchführung der Verah""inierung auch die besonderen Bedingungen des Schmelzbades, insbesondere der Temperatur, im Hinblick auf die Zusammensetzung der Legierung entsprechender Änderungen bedürfen.Needless to say, when, application of aluminum alloys for the implementation of the processing also the special Conditions of the molten bath, in particular the temperature, with regard to the composition the alloy require corresponding changes.
Es ist bekannt, auf Eisenteile auf schmelzflüssigem Wege Aluminiumlegierungen. aufzubringen. Die Erfindung besteht demgegenüber darin, daß das Verfahren des Hauptpatents zur Aufbringung der Legierung verwendet wird.It is known to use molten aluminum alloys on iron parts. to raise. The invention consists in the fact that the method of the main patent is used to apply the alloy.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED65384D DE634135C (en) | 1933-02-25 | 1933-02-25 | Process for the aluminizing of objects made of iron and steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED65384D DE634135C (en) | 1933-02-25 | 1933-02-25 | Process for the aluminizing of objects made of iron and steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE634135C true DE634135C (en) | 1936-10-27 |
Family
ID=7059195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DED65384D Expired DE634135C (en) | 1933-02-25 | 1933-02-25 | Process for the aluminizing of objects made of iron and steel |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE634135C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4456663A (en) * | 1981-12-02 | 1984-06-26 | United States Steel Corporation | Hot-dip aluminum-zinc coating method and product |
-
1933
- 1933-02-25 DE DED65384D patent/DE634135C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4456663A (en) * | 1981-12-02 | 1984-06-26 | United States Steel Corporation | Hot-dip aluminum-zinc coating method and product |
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