ZA834792B - Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisation - Google Patents
Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisationInfo
- Publication number
- ZA834792B ZA834792B ZA834792A ZA834792A ZA834792B ZA 834792 B ZA834792 B ZA 834792B ZA 834792 A ZA834792 A ZA 834792A ZA 834792 A ZA834792 A ZA 834792A ZA 834792 B ZA834792 B ZA 834792B
- Authority
- ZA
- South Africa
- Prior art keywords
- metallic workpieces
- carburisation
- decarburisation
- produce
- under conditions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Cleaning By Liquid Or Steam (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823224607 DE3224607A1 (de) | 1982-07-01 | 1982-07-01 | Verfahren zum einsatzhaerten und kohlungsneutralen gluehen metallischer werkstuecke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA834792B true ZA834792B (en) | 1984-03-28 |
Family
ID=6167353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA834792A ZA834792B (en) | 1982-07-01 | 1983-06-30 | Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisation |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT381957B (de) |
| BR (1) | BR8300903A (de) |
| DE (1) | DE3224607A1 (de) |
| NO (1) | NO832394L (de) |
| ZA (1) | ZA834792B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19819042A1 (de) * | 1998-04-28 | 1999-11-04 | Linde Ag | Verfahren und Anlage zum Gasaufkohlen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE545645A (de) * | 1954-01-29 | |||
| BE534801A (de) * | 1954-01-29 | |||
| FR1116055A (fr) * | 1954-12-18 | 1956-05-03 | Renault | Procédé de préparation de gaz pour la cémentation de l'acier ou la protection des aciers contre l'oxydation ou la décarburation |
| FR1242992A (fr) * | 1959-08-26 | 1960-10-07 | Renault | Dispositif de sécurité pour pulvérisateur-réchauffeur de préparation d'atmosphère de traitement thermique des métaux |
-
1982
- 1982-07-01 DE DE19823224607 patent/DE3224607A1/de not_active Withdrawn
- 1982-07-29 AT AT0293882A patent/AT381957B/de not_active IP Right Cessation
-
1983
- 1983-02-24 BR BR8300903A patent/BR8300903A/pt unknown
- 1983-06-30 ZA ZA834792A patent/ZA834792B/xx unknown
- 1983-06-30 NO NO832394A patent/NO832394L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT381957B (de) | 1986-12-29 |
| DE3224607A1 (de) | 1984-01-05 |
| BR8300903A (pt) | 1984-04-17 |
| ATA293882A (de) | 1986-05-15 |
| NO832394L (no) | 1984-01-02 |
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