CH627262A5 - Method of continuous treatment by diffusion of metal articles, and muffle furnace for implementing the method - Google Patents
Method of continuous treatment by diffusion of metal articles, and muffle furnace for implementing the method Download PDFInfo
- Publication number
- CH627262A5 CH627262A5 CH31479A CH31479A CH627262A5 CH 627262 A5 CH627262 A5 CH 627262A5 CH 31479 A CH31479 A CH 31479A CH 31479 A CH31479 A CH 31479A CH 627262 A5 CH627262 A5 CH 627262A5
- Authority
- CH
- Switzerland
- Prior art keywords
- gas
- sole
- muffle
- metal parts
- gases
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 23
- 239000002184 metal Substances 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 12
- 238000009792 diffusion process Methods 0.000 title claims description 10
- 238000011282 treatment Methods 0.000 title claims description 5
- 239000007789 gas Substances 0.000 claims description 50
- 239000012159 carrier gas Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000945 filler Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000001617 migratory effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001275902 Parabramis pekinensis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0043—Muffle furnaces; Retort furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
- F27B9/047—Furnaces with controlled atmosphere the atmosphere consisting of protective gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/08—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated through chamber walls
- F27B9/082—Muffle furnaces
- F27B9/084—Muffle furnaces the muffle being fixed and in a single piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
- F27B9/2476—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor the conveyor being constituted by air cushion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Tunnel Furnaces (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH31479A CH627262A5 (en) | 1979-01-12 | 1979-01-12 | Method of continuous treatment by diffusion of metal articles, and muffle furnace for implementing the method |
| DE19792950967 DE2950967A1 (de) | 1979-01-12 | 1979-12-18 | Verfahren zur kontinuierlichen diffusionsbehandlung von metallteilen und durchlauf-muffelofen zur durchfuehrung des verfahrens |
| FR7931166A FR2446457B1 (fr) | 1979-01-12 | 1979-12-19 | Procede de traitement en continu par diffusion de pieces de metal et four a moufle pour la mise en oeuvre du procede |
| IT19089/80A IT1130207B (it) | 1979-01-12 | 1980-01-08 | Procedimento per il trattamento continuo a diffusione di parti metalliche e forno a muffola a transito per l'esecucione del procedimento |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH31479A CH627262A5 (en) | 1979-01-12 | 1979-01-12 | Method of continuous treatment by diffusion of metal articles, and muffle furnace for implementing the method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH627262A5 true CH627262A5 (en) | 1981-12-31 |
Family
ID=4184178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH31479A CH627262A5 (en) | 1979-01-12 | 1979-01-12 | Method of continuous treatment by diffusion of metal articles, and muffle furnace for implementing the method |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH627262A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2950967A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2446457B1 (enrdf_load_stackoverflow) |
| IT (1) | IT1130207B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3933423C2 (de) * | 1989-10-06 | 1994-12-22 | Nokia Deutschland Gmbh | Vorrichtung zur Wärmebehandlung, insbesondere für LCD-Substratplatten |
| DE4112772A1 (de) * | 1991-04-19 | 1992-10-22 | Loi Ind Ofenanlagen | Verfahren zum durchfuehren von stoffuebergangsvorgaengen sowie durchlaufofen |
| DE10348811A1 (de) * | 2003-10-21 | 2005-06-02 | Degussa Ag | Muffelofen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR442842A (fr) * | 1912-04-23 | 1912-09-10 | Marcel Demongeot | Four à sole mobile chauffante |
| US3615082A (en) * | 1969-09-02 | 1971-10-26 | Btu Eng Corp | Furnace muffle |
| LU65915A1 (enrdf_load_stackoverflow) * | 1972-08-17 | 1974-02-21 |
-
1979
- 1979-01-12 CH CH31479A patent/CH627262A5/fr not_active IP Right Cessation
- 1979-12-18 DE DE19792950967 patent/DE2950967A1/de active Granted
- 1979-12-19 FR FR7931166A patent/FR2446457B1/fr not_active Expired
-
1980
- 1980-01-08 IT IT19089/80A patent/IT1130207B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8019089A0 (it) | 1980-01-08 |
| DE2950967C2 (enrdf_load_stackoverflow) | 1987-06-04 |
| FR2446457A1 (fr) | 1980-08-08 |
| FR2446457B1 (fr) | 1987-08-28 |
| IT1130207B (it) | 1986-06-11 |
| DE2950967A1 (de) | 1980-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |