IT1271268B - PROCESS FOR HOT TREATMENT OF PIECES WITH TREATMENT GAS - Google Patents
PROCESS FOR HOT TREATMENT OF PIECES WITH TREATMENT GASInfo
- Publication number
- IT1271268B IT1271268B ITMI942516A ITMI942516A IT1271268B IT 1271268 B IT1271268 B IT 1271268B IT MI942516 A ITMI942516 A IT MI942516A IT MI942516 A ITMI942516 A IT MI942516A IT 1271268 B IT1271268 B IT 1271268B
- Authority
- IT
- Italy
- Prior art keywords
- treatment
- pieces
- hot
- gas
- treatment gas
- Prior art date
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
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)
- Furnace Details (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4343927A DE4343927C1 (en) | 1993-12-22 | 1993-12-22 | Method for thermal treatment of workpieces under treatment gas |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI942516A0 ITMI942516A0 (en) | 1994-12-15 |
ITMI942516A1 ITMI942516A1 (en) | 1996-06-15 |
IT1271268B true IT1271268B (en) | 1997-05-27 |
Family
ID=6505833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI942516A IT1271268B (en) | 1993-12-22 | 1994-12-15 | PROCESS FOR HOT TREATMENT OF PIECES WITH TREATMENT GAS |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT404139B (en) |
CZ (1) | CZ326294A3 (en) |
DE (1) | DE4343927C1 (en) |
FR (1) | FR2714075A1 (en) |
IT (1) | IT1271268B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3460075B2 (en) * | 1995-12-28 | 2003-10-27 | 同和鉱業株式会社 | Metal carburizing method |
DE19815233A1 (en) * | 1998-04-04 | 1999-10-07 | Ald Vacuum Techn Gmbh | Process for vacuum carburizing under treatment gas |
US6287393B1 (en) | 1999-09-03 | 2001-09-11 | Air Products And Chemicals, Inc. | Process for producing carburizing atmospheres |
DE19951519A1 (en) * | 1999-10-26 | 2001-05-03 | Linde Gas Ag | Process for the production of CO and H2-containing treatment gas for the heat treatment of metallic goods |
DE10023409A1 (en) * | 2000-05-12 | 2001-11-15 | Linde Gas Ag | Gas generator used for producing carbon monoxide- and hydrogen-containing treatment gas for heat treating metallic material comprises catalyst retort and device for heating partial regions of retort |
DE102004009288B4 (en) * | 2004-02-26 | 2005-12-15 | Universität Karlsruhe | Exhaust gas aftertreatment during vacuum carburizing of steel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2000060A1 (en) * | 1970-01-02 | 1971-07-08 | Maag Zahnraeder & Maschinen Ag | Accelerating carburization of steel workpie - ces with generator carrier gas |
DE3630833A1 (en) * | 1986-09-10 | 1988-03-17 | Linde Ag | METHOD AND DEVICE FOR HEAT TREATING METAL WORKPIECES |
US5133813A (en) * | 1990-07-03 | 1992-07-28 | Tokyo Heat Treating Company Ltd. | Gas-carburizing process and apparatus |
DE4110361C2 (en) * | 1991-03-28 | 1998-04-30 | Linde Ag | Process for gas carburizing iron workpieces and plants for their implementation |
-
1993
- 1993-12-22 DE DE4343927A patent/DE4343927C1/en not_active Revoked
-
1994
- 1994-12-14 AT AT0233394A patent/AT404139B/en not_active IP Right Cessation
- 1994-12-15 IT ITMI942516A patent/IT1271268B/en active IP Right Grant
- 1994-12-21 FR FR9415397A patent/FR2714075A1/en active Pending
- 1994-12-21 CZ CZ943262A patent/CZ326294A3/en unknown
Also Published As
Publication number | Publication date |
---|---|
CZ326294A3 (en) | 1996-07-17 |
AT404139B (en) | 1998-08-25 |
ITMI942516A0 (en) | 1994-12-15 |
FR2714075A1 (en) | 1995-06-23 |
DE4343927C1 (en) | 1995-01-05 |
ITMI942516A1 (en) | 1996-06-15 |
ATA233394A (en) | 1998-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |