DE69515588T2 - Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en oeuvre dudit procede - Google Patents
Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en oeuvre dudit procedeInfo
- Publication number
- DE69515588T2 DE69515588T2 DE69515588T DE69515588T DE69515588T2 DE 69515588 T2 DE69515588 T2 DE 69515588T2 DE 69515588 T DE69515588 T DE 69515588T DE 69515588 T DE69515588 T DE 69515588T DE 69515588 T2 DE69515588 T2 DE 69515588T2
- Authority
- DE
- Germany
- Prior art keywords
- treatment
- parts
- gas
- phase
- depassivation
- 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 - Lifetime
Links
- 238000011282 treatment Methods 0.000 claims description 67
- 239000007789 gas Substances 0.000 claims description 53
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 42
- 238000005121 nitriding Methods 0.000 claims description 35
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 31
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 229910021529 ammonia Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000010494 dissociation reaction Methods 0.000 claims description 9
- 230000005593 dissociations Effects 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000006798 recombination Effects 0.000 claims description 7
- 238000005215 recombination Methods 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 238000010849 ion bombardment Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 239000010410 layer Substances 0.000 description 10
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 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
- 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
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- 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
- C23C8/36—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 using ionised gases, e.g. ionitriding
- C23C8/38—Treatment 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)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9405062A FR2719057B1 (fr) | 1994-04-22 | 1994-04-22 | Procédé pour la nitruration à bsase pression d'une pièce métallique et four pour la mise en Óoeuvre dudit procédé. |
FR9411483A FR2725015B1 (fr) | 1994-09-23 | 1994-09-23 | Four utilisable pour la nitruration a basse pression d'une piece metallique |
PCT/FR1995/000522 WO1995029269A1 (fr) | 1994-04-22 | 1995-04-21 | Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en ×uvre dudit procede |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69515588D1 DE69515588D1 (de) | 2000-04-20 |
DE69515588T2 true DE69515588T2 (de) | 2000-09-07 |
Family
ID=26231123
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69515588T Expired - Lifetime DE69515588T2 (de) | 1994-04-22 | 1995-04-21 | Procede pour la nitruration a basse pression d'une piece metallique et four pour la mise en oeuvre dudit procede |
DE0707661T Pending DE707661T1 (de) | 1994-04-22 | 1995-04-21 | Verfahren und ofen zum nitrieren von metallischen formteilen bei niedrigen druck |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE0707661T Pending DE707661T1 (de) | 1994-04-22 | 1995-04-21 | Verfahren und ofen zum nitrieren von metallischen formteilen bei niedrigen druck |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0707661B1 (fr) |
DE (2) | DE69515588T2 (fr) |
TW (1) | TW279902B (fr) |
WO (1) | WO1995029269A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10118494A1 (de) * | 2001-04-04 | 2002-10-24 | Aichelin Gesmbh Moedling | Verfahren und Vorrichtung zur Niederdruck-Carbonitrierung von Stahlteilen |
DE102014213510A1 (de) * | 2014-07-11 | 2016-02-18 | Robert Bosch Gmbh | Verfahren zum Nitrieren eines Bauteils eines Kraftstoffeinspritzsystems |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19947381B4 (de) * | 1999-10-01 | 2011-06-22 | METAPLAS IONON Oberflächenveredelungstechnik GmbH, 51427 | Vorrichtung zur Wärmebehandlung von Werkstücken, insbesondere zum Gasnitrieren, Nitrocarburieren und Oxidieren |
DE102009002985A1 (de) * | 2009-05-11 | 2010-11-18 | Robert Bosch Gmbh | Verfahren zur Carbonitrierung |
GB2497354B (en) * | 2011-12-07 | 2014-09-24 | Solaris Holdings Ltd | Method of improvement of mechanical properties of products made of metals and alloys |
CN110747430B (zh) * | 2019-10-25 | 2020-12-15 | 西南交通大学 | 一种低压气体快速渗氮方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB564841A (en) * | 1943-02-13 | 1944-10-16 | John Fallon | Improvements in furnaces heated by gaseous or liquid fuels |
DE1933439A1 (de) * | 1968-07-01 | 1970-01-15 | Gen Electric | Nitrierverfahren |
FR2264891B1 (fr) * | 1974-03-19 | 1977-10-07 | Michel Henri | |
SE7700229L (sv) * | 1976-01-22 | 1977-07-23 | Western Electric Co | Forfarande for beleggning av substrat genom utfellning fran ett plasma |
FI63783C (fi) * | 1981-09-30 | 1983-08-10 | Kymin Oy Kymmene Ab | Foerfarande foer nitrering vid laogt tryck med hjaelp av glimurladdning |
FR2524006B1 (fr) * | 1982-03-23 | 1985-10-11 | Air Liquide | Procede de durcissement superficiel de pieces metalliques |
JPS60211061A (ja) * | 1984-04-05 | 1985-10-23 | Toyota Central Res & Dev Lab Inc | アルミニウム材のイオン窒化方法 |
DE3705710A1 (de) * | 1986-02-24 | 1987-08-27 | Ohara Co | Verfahren zum nitrieren der oberflaeche von formteilen aus titan und vorrichtung zur nitrierbehandlung |
GB8608717D0 (en) * | 1986-04-10 | 1986-05-14 | Lucas Ind Plc | Metal components |
US4926793A (en) * | 1986-12-15 | 1990-05-22 | Shin-Etsu Handotai Co., Ltd. | Method of forming thin film and apparatus therefor |
US5039357A (en) * | 1990-06-15 | 1991-08-13 | Dynamic Metal Treating, Inc. | Method for nitriding and nitrocarburizing rifle barrels in a fluidized bed furnace |
FR2674618B1 (fr) * | 1991-03-27 | 1998-03-13 | Etudes Const Mecaniques | Procede et four de nitruration. |
DE4208848C2 (de) * | 1991-12-04 | 2001-08-30 | Ald Vacuum Techn Ag | Verfahren zur thermochemischen Nachbehandlung von Stählen und Metallen |
-
1995
- 1995-04-21 DE DE69515588T patent/DE69515588T2/de not_active Expired - Lifetime
- 1995-04-21 WO PCT/FR1995/000522 patent/WO1995029269A1/fr active IP Right Grant
- 1995-04-21 EP EP95918040A patent/EP0707661B1/fr not_active Expired - Lifetime
- 1995-04-21 DE DE0707661T patent/DE707661T1/de active Pending
- 1995-05-23 TW TW84105155A patent/TW279902B/zh not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10118494A1 (de) * | 2001-04-04 | 2002-10-24 | Aichelin Gesmbh Moedling | Verfahren und Vorrichtung zur Niederdruck-Carbonitrierung von Stahlteilen |
DE10118494C2 (de) * | 2001-04-04 | 2003-12-11 | Aichelin Gesmbh Moedling | Verfahren zur Niederdruck-Carbonitrierung von Stahlteilen |
DE102014213510A1 (de) * | 2014-07-11 | 2016-02-18 | Robert Bosch Gmbh | Verfahren zum Nitrieren eines Bauteils eines Kraftstoffeinspritzsystems |
US10125734B2 (en) | 2014-07-11 | 2018-11-13 | Robert Bosch Gmbh | Method for nitriding a component of a fuel injection system |
Also Published As
Publication number | Publication date |
---|---|
EP0707661B1 (fr) | 2000-03-15 |
WO1995029269A1 (fr) | 1995-11-02 |
DE707661T1 (de) | 1996-10-10 |
DE69515588D1 (de) | 2000-04-20 |
TW279902B (fr) | 1996-07-01 |
EP0707661A1 (fr) | 1996-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: BODYCOTE HIT S.A., CHASSIEU, FR |