DE703000C - Process for applying coatings made of non-ferrous metals to cast iron, in particular to cast-iron bearing shells - Google Patents
Process for applying coatings made of non-ferrous metals to cast iron, in particular to cast-iron bearing shellsInfo
- Publication number
- DE703000C DE703000C DE1938G0100438 DEG0100438D DE703000C DE 703000 C DE703000 C DE 703000C DE 1938G0100438 DE1938G0100438 DE 1938G0100438 DE G0100438 D DEG0100438 D DE G0100438D DE 703000 C DE703000 C DE 703000C
- Authority
- DE
- Germany
- Prior art keywords
- iron
- cast
- ferrous metals
- applying coatings
- bearing shells
- 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
- 229910001018 Cast iron Inorganic materials 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 7
- 238000000576 coating method Methods 0.000 title claims description 4
- 239000002184 metal Substances 0.000 title claims description 4
- 229910052751 metal Inorganic materials 0.000 title claims description 4
- -1 ferrous metals Chemical class 0.000 title claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 239000003792 electrolyte Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000005496 tempering Methods 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000007787 solid Substances 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Description
Verfahren zum Aufbringen von Überzügen aus Nichteisenmetallen auf Gußeisen, insbesondere auf guieiserne Lagerschalen Vorliegende Erfindung betrifft eine weitere Ausbildung des Verfahrens nach Patent 69¢ 126. Das Hauptverfahren betrifft das Aufbringen von Überzügen aus Nichteisenmetallen auf Gußeisen unter Verwendung einer Zwischenschicht von Elektrolyteisenund besteht darin, daß man die Elektrolyteisenschicht nach ihrer Aufbringung durch Anlassen bei etwa 8oo° C im Laufe von einigen Minuten' fest mit dem Gußeisen durch Erzeugung einer Aufkohlungszone verbindet und _ die Elektrolyteisenschicht alsdann verzinnt, verzinkt, veraluminiert usw. Es kommt bei diesem Verfahren hauptsächlich darauf an, die Elektrolyteisenschicht- so fest wie möglich mit dem Gußeisen zu verbinden. Der Grad der Ha#stfestigkeit ist bei diesem Vera fahren bereits sehr hoch. Er wird aber noch erhöht, wenn man das Verfahren gemäß vorliegender Erfindung zur Anwendung bringt.Process for applying coatings made of non-ferrous metals Cast iron, particularly on cast iron bearing shells, the present invention relates to a further development of the process according to patent 69 [126]. The main process relates to the application of non-ferrous metal coatings to cast iron using an intermediate layer of electrolyte iron and consists in that one has the electrolyte iron layer after applying it by tempering at about 8oo ° C for a few minutes' firmly connects to the cast iron by creating a carburization zone and _ the Electrolyte iron layer then tinned, galvanized, aluminized, etc. It comes with This procedure mainly relies on making the electrolyte iron layer as solid as possible to connect with the cast iron. The degree of skin strength is at this one Vera are already going very high. But it is increased when you look at the procedure according to the present invention applies.
Es hat sich nämlich überraschenderweise herausgestellt, daß man das Elektrolyteisen vollkommen durchkohlen muß, um die beste Haftfestigkeit zu erzielen. Zu diesem Zweck muß es so dünn wie möglich aufgetragen werden, weil sonst eine zu lange Glühdauer erforderlich ist, die die Festigkeitseigenschaften des Gußeisens stark herabsetzen würde. Wählt man aber die Elektrolyteisenschicht möglichst dünn, dann entsteht eine Schicht der vollkommenen Durchkohlung, die ein perlitisches Gefüge aufweist und eine noch viel bessere Verzinnung gestattet als das weiche Elektrolyteisen.Surprisingly, it turned out that you can do that Electrolyte iron must completely carbonize in order to achieve the best adhesive strength. For this purpose it has to be applied as thinly as possible, otherwise one will become too long annealing time is required, which increases the strength properties of the cast iron would greatly reduce. But if you choose the electrolyte iron layer as thin as possible, then a layer of complete carbonization arises, which is a pearlitic structure and allows a much better tin plating than the soft electrolyte iron.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1938G0100438 DE703000C (en) | 1938-12-24 | 1938-12-24 | Process for applying coatings made of non-ferrous metals to cast iron, in particular to cast-iron bearing shells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1938G0100438 DE703000C (en) | 1938-12-24 | 1938-12-24 | Process for applying coatings made of non-ferrous metals to cast iron, in particular to cast-iron bearing shells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE703000C true DE703000C (en) | 1941-02-28 |
Family
ID=7141244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1938G0100438 Expired DE703000C (en) | 1938-12-24 | 1938-12-24 | Process for applying coatings made of non-ferrous metals to cast iron, in particular to cast-iron bearing shells |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE703000C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE968703C (en) * | 1952-01-13 | 1958-04-17 | Wagner Fa Ferd | Method of making a composite metal |
-
1938
- 1938-12-24 DE DE1938G0100438 patent/DE703000C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE968703C (en) * | 1952-01-13 | 1958-04-17 | Wagner Fa Ferd | Method of making a composite metal |
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