DE271568C - - Google Patents
Info
- Publication number
- DE271568C DE271568C DENDAT271568D DE271568DA DE271568C DE 271568 C DE271568 C DE 271568C DE NDAT271568 D DENDAT271568 D DE NDAT271568D DE 271568D A DE271568D A DE 271568DA DE 271568 C DE271568 C DE 271568C
- Authority
- DE
- Germany
- Prior art keywords
- iron
- objects
- cast
- rust
- skin
- 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.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- 229910052742 iron Inorganic materials 0.000 claims description 25
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 7
- 229910001337 iron nitride Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005121 nitriding Methods 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 230000003449 preventive effect Effects 0.000 claims description 2
- 239000006104 solid solution Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 150000002484 inorganic compounds Chemical group 0.000 claims 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 4
- 230000000802 nitrating effect Effects 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 241000189705 Dunedin group Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE271568C true DE271568C (OSRAM) |
Family
ID=528210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT271568D Active DE271568C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE271568C (OSRAM) |
-
0
- DE DENDAT271568D patent/DE271568C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69704732T2 (de) | Verfahren zum Beizen von Stahlwerkstücken, insbesondere Blechband aus rostfreiem Stahl | |
| EP2147131B1 (de) | Verfahren zum thermochemischen passivieren von edelstahl | |
| DE602005005462T2 (de) | Verfahren zur herstellung von bändern aus austenitischem rostfreiem stahl mit matter oberfläche | |
| WO1994024333A1 (de) | Verfahren zur erhöhung der korrosionsbeständigkeit von nichtrostendem stahl | |
| DE2503763A1 (de) | Verfahren zur bildung einer korrosionsverhuetenden, oxidischen schutzschicht auf staehlen, insbesondere maragingstaehlen | |
| DE2435413B2 (de) | Verfahren zum herstellen von in einer richtung orientiertem siliziumblech | |
| DE2713932A1 (de) | Produkte aus rostfreiem stahl mit korrosionsbestaendiger deckschicht | |
| DE2915061A1 (de) | Verfahren zum entzundern von edelstahlprodukten | |
| DE1207759B (de) | Verfahren zur Nachbehandlung von mit kristallinen Schutzschichten versehenen Metalloberflaechen | |
| DE4342730A1 (de) | Verfahren zur thermochemischen Diffusionsbehandlung metallischer Werkstoffe in Gasatmosphären | |
| AT69374B (de) | Rostschutz für Eisengegenstände. | |
| DE755756C (de) | Herstellung rostschuetzender UEberzuege | |
| DE1621542C3 (de) | Verfahren zur Entkrustung von Metallgegenständen unter Aufbringung eines Salzüberzuges vor der Erhitzung | |
| DD263308A5 (de) | Verfahren zur herstellung von oberen schichten an den feuerfesten sowie korrosionsfesten insbesondere austenistischen staehlen | |
| DE2315165A1 (de) | Verfahren zum nitrieren eisenhaltiger teile | |
| DE954607C (de) | Verfahren zum Entkohlen der Oberflaechenschichten von Werkstuecken aus Eisen oder Stahl | |
| DE1932382A1 (de) | Waermebehandlungsverfahren fuer martensitische und metastatische austenitische Staehle | |
| DE69015817T2 (de) | Verfahren zum Nitrieren von Stahl. | |
| DE473681C (de) | Verfahren, um einzelne Teile eines durch Nitrieren zu haertenden Gegenstands gegen di | |
| DE661253C (de) | Verfahren zur Herstellung von Schutzschichten auf Gegenstaenden aus Aluminium oder aluminiumhaltigen Legierungen | |
| DE1521859A1 (de) | Verfahren zur Verbesserung des Korrosionswiderstandes von oberflaechengehaerteten eisernen Oberflaechen | |
| DE545177C (de) | Verfahren zur teilweisen Verzinkung von Eisenblechen | |
| DE319855C (de) | Verfahren zur Verhinderung des Rostens von Eisen | |
| AT100333B (de) | Eisen- und Stahllegierungen. | |
| DE574744C (de) | Verschleissfestes und korrosionssicheres Gusseisen |