FR1059148A - Procédé de préparation de gaz de cémentation - Google Patents
Procédé de préparation de gaz de cémentationInfo
- Publication number
- FR1059148A FR1059148A FR1059148DA FR1059148A FR 1059148 A FR1059148 A FR 1059148A FR 1059148D A FR1059148D A FR 1059148DA FR 1059148 A FR1059148 A FR 1059148A
- Authority
- FR
- France
- Prior art keywords
- preparing
- carburizing gas
- carburizing
- gas
- preparing carburizing
- 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
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
- C23C8/20—Carburising
- C23C8/22—Carburising 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1059148T | 1952-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1059148A true FR1059148A (fr) | 1954-03-23 |
Family
ID=9598907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1059148D Expired FR1059148A (fr) | 1952-06-20 | 1952-06-20 | Procédé de préparation de gaz de cémentation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1059148A (fr) |
-
1952
- 1952-06-20 FR FR1059148D patent/FR1059148A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1213114A (fr) | Procédé de liquéfaction de gaz | |
FR1060633A (fr) | Procédé de distribution de gaz | |
FR1097071A (fr) | Procédé de préparation de cyclopentadiénides métalliques | |
FR1091778A (fr) | Procédé de préparation de pyrrolidines | |
CH321873A (fr) | Procédé de préparation de 3-acétyl-4-hydroxycoumarine | |
FR1059148A (fr) | Procédé de préparation de gaz de cémentation | |
FR1050138A (fr) | Procédé de préparation des hydrures boro-alcalins | |
FR1052772A (fr) | Procédé de combustion pour turbines à gaz de combustion | |
FR1093850A (fr) | Procédé de préparation des polypyrrolidones | |
FR1154037A (fr) | Procédé de préparation du polyisobutylène | |
FR1081691A (fr) | Procédé de préparation de triméthylolpropane | |
FR1086656A (fr) | Procédé de préparation de fer-dicyclopentadiènyle | |
FR1128064A (fr) | Procédé de purification des gaz | |
FR1061265A (fr) | Procédé de gazéification contrôlée de gaz liquéfiés | |
FR1060371A (fr) | Procédé de préparation de brome-hydroquinone | |
FR1080728A (fr) | Procédé de préparation de nouvelles diphénylthiourées substituées | |
FR985710A (fr) | Procédé de préparation de gaz de cémentation | |
FR1072184A (fr) | Procédé de production de gaz | |
FR1092984A (fr) | Procédé de préparation de la dl-11-céto-progestérone | |
FR1095337A (fr) | Procédé de préparation des n-carbamylimides | |
FR1160952A (fr) | Procédé de désulfuration des gaz de cokerie | |
FR1095341A (fr) | Procédé de préparation de lacto-enol-acylates | |
FR1072196A (fr) | Procédé de préparation de 2-acétoxy-alcoyl-nitriles | |
FR1072790A (fr) | Procédé de préparation des chlorhydrines | |
CH313555A (fr) | Procédé de préparation de polyhalogénométhanes |