IT8148424A0 - PROCEDURE FOR THE TRANSIENT DEACTIVATION OF FORCED PASSAGE CHARCOAL PLANTS - Google Patents
PROCEDURE FOR THE TRANSIENT DEACTIVATION OF FORCED PASSAGE CHARCOAL PLANTSInfo
- Publication number
- IT8148424A0 IT8148424A0 IT8148424A IT4842481A IT8148424A0 IT 8148424 A0 IT8148424 A0 IT 8148424A0 IT 8148424 A IT8148424 A IT 8148424A IT 4842481 A IT4842481 A IT 4842481A IT 8148424 A0 IT8148424 A0 IT 8148424A0
- Authority
- IT
- Italy
- Prior art keywords
- charcoal
- plants
- procedure
- forced passage
- transient deactivation
- Prior art date
Links
- 239000003610 charcoal Substances 0.000 title 1
- 230000009849 deactivation Effects 0.000 title 1
- 230000001052 transient effect Effects 0.000 title 1
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
-
- 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)
- Tunnel Furnaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3017978A DE3017978C2 (en) | 1980-05-10 | 1980-05-10 | Procedure for the temporary shutdown of push-through carburizing plants |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8148424A0 true IT8148424A0 (en) | 1981-05-08 |
IT1142435B IT1142435B (en) | 1986-10-08 |
Family
ID=6102092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48424/81A IT1142435B (en) | 1980-05-10 | 1981-05-08 | PROCEDURE FOR THE TRANSITIONAL DEACTIVATION OF FORCED-PASSING CARBOCO MENTATION PLANTS |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3017978C2 (en) |
FR (1) | FR2482277A1 (en) |
GB (1) | GB2075557B (en) |
IT (1) | IT1142435B (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1489589A (en) * | 1966-08-17 | 1967-07-21 | Electric Furnace Co | Annealing furnace with emergency purge atmosphere |
US3720546A (en) * | 1969-04-21 | 1973-03-13 | Nippon Steel Corp | Method for preventing destruction of strip metal in annealing furnace connected with direct heating furnace |
US3827854A (en) * | 1973-10-26 | 1974-08-06 | W Gildersleeve | Automatic metal protecting apparatus and method |
LU71534A1 (en) * | 1973-12-21 | 1975-06-17 | ||
US4049473A (en) * | 1976-03-11 | 1977-09-20 | Airco, Inc. | Methods for carburizing steel parts |
US4148946A (en) * | 1977-02-14 | 1979-04-10 | Armco Steel Corporation | Method for maintaining a non-oxidizing atmosphere at positive pressure within the metallic strip preparation furnace of a metallic coating line during line stops |
US4175986A (en) * | 1978-10-19 | 1979-11-27 | Trw Inc. | Inert carrier gas heat treating control process |
-
1980
- 1980-05-10 DE DE3017978A patent/DE3017978C2/en not_active Expired
-
1981
- 1981-05-08 FR FR8109191A patent/FR2482277A1/en active Granted
- 1981-05-08 IT IT48424/81A patent/IT1142435B/en active
- 1981-05-11 GB GB8114268A patent/GB2075557B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2482277B1 (en) | 1983-01-14 |
GB2075557B (en) | 1983-09-21 |
GB2075557A (en) | 1981-11-18 |
IT1142435B (en) | 1986-10-08 |
DE3017978A1 (en) | 1981-11-19 |
FR2482277A1 (en) | 1981-11-13 |
DE3017978C2 (en) | 1986-03-13 |
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