EP4296383A4 - Nitriding method for steel member - Google Patents
Nitriding method for steel member Download PDFInfo
- Publication number
- EP4296383A4 EP4296383A4 EP22756196.6A EP22756196A EP4296383A4 EP 4296383 A4 EP4296383 A4 EP 4296383A4 EP 22756196 A EP22756196 A EP 22756196A EP 4296383 A4 EP4296383 A4 EP 4296383A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel member
- nitriding method
- nitriding
- steel
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000005121 nitriding Methods 0.000 title 1
- 239000010959 steel Substances 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0257—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
-
- 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
- C23C8/02—Pretreatment of the material to be coated
-
- 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
- C21D1/06—Surface hardening
-
- 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
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- 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
- C23C8/80—After-treatment
-
- 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
- C23C8/34—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 more than one element being applied in more than one step
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)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021023129A JP2022125513A (en) | 2021-02-17 | 2021-02-17 | Method for nitriding steel member |
PCT/JP2022/006065 WO2022176878A1 (en) | 2021-02-17 | 2022-02-16 | Nitriding method for steel member |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4296383A4 true EP4296383A4 (en) | 2023-12-27 |
EP4296383A1 EP4296383A1 (en) | 2023-12-27 |
Family
ID=82930571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22756196.6A Pending EP4296383A1 (en) | 2021-02-17 | 2022-02-16 | Nitriding method for steel member |
Country Status (8)
Country | Link |
---|---|
US (1) | US20240229178A9 (en) |
EP (1) | EP4296383A1 (en) |
JP (1) | JP2022125513A (en) |
KR (1) | KR20230145118A (en) |
CN (1) | CN116917529A (en) |
MX (1) | MX2023009143A (en) |
TW (1) | TWI809714B (en) |
WO (1) | WO2022176878A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170138326A1 (en) * | 2014-07-11 | 2017-05-18 | Robert Bosch Gmbh | Method for nitriding a component of a fuel injection system |
JP2017160517A (en) * | 2016-03-11 | 2017-09-14 | パーカー熱処理工業株式会社 | Nitrided steel member and manufacturing method of nitrided steel member |
KR101830221B1 (en) * | 2016-10-17 | 2018-02-21 | 동우에이치에스티 주식회사 | Nitriding heat treatment method of steel for gear |
US20190177829A1 (en) * | 2016-09-30 | 2019-06-13 | Dowa Thermotech Co., Ltd. | Continuous nitriding treatment furnace and continuous nitriding treatment method |
WO2019208534A1 (en) * | 2018-04-26 | 2019-10-31 | パーカー熱処理工業株式会社 | Nitrided steel member, and method and device for producing nitrided steel member |
JP2020164994A (en) * | 2019-03-29 | 2020-10-08 | Dowaサーモテック株式会社 | Steel member nitriding treatment method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6378189U (en) | 1986-11-11 | 1988-05-24 | ||
JP2012095035A (en) | 2010-10-26 | 2012-05-17 | Canon Inc | Image processing device and method of controlling the same |
KR101777870B1 (en) | 2011-02-18 | 2017-09-13 | 엘지디스플레이 주식회사 | Stereoscopic image display device |
JP5656908B2 (en) | 2012-04-18 | 2015-01-21 | Dowaサーモテック株式会社 | Nitride steel member and manufacturing method thereof |
JP6378189B2 (en) | 2013-09-30 | 2018-08-22 | Dowaサーモテック株式会社 | Method of nitriding steel member |
JP6587886B2 (en) * | 2015-09-30 | 2019-10-09 | Dowaサーモテック株式会社 | Manufacturing method of nitrided steel member |
JP2022068375A (en) * | 2019-02-26 | 2022-05-10 | パーカー熱処理工業株式会社 | Nitrided steel member, and method and device for manufacturing nitrided steel member |
-
2021
- 2021-02-17 JP JP2021023129A patent/JP2022125513A/en active Pending
-
2022
- 2022-02-15 TW TW111105406A patent/TWI809714B/en active
- 2022-02-16 WO PCT/JP2022/006065 patent/WO2022176878A1/en active Application Filing
- 2022-02-16 US US18/546,438 patent/US20240229178A9/en active Pending
- 2022-02-16 EP EP22756196.6A patent/EP4296383A1/en active Pending
- 2022-02-16 CN CN202280014939.6A patent/CN116917529A/en active Pending
- 2022-02-16 KR KR1020237030522A patent/KR20230145118A/en unknown
- 2022-02-16 MX MX2023009143A patent/MX2023009143A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170138326A1 (en) * | 2014-07-11 | 2017-05-18 | Robert Bosch Gmbh | Method for nitriding a component of a fuel injection system |
JP2017160517A (en) * | 2016-03-11 | 2017-09-14 | パーカー熱処理工業株式会社 | Nitrided steel member and manufacturing method of nitrided steel member |
US20190177829A1 (en) * | 2016-09-30 | 2019-06-13 | Dowa Thermotech Co., Ltd. | Continuous nitriding treatment furnace and continuous nitriding treatment method |
KR101830221B1 (en) * | 2016-10-17 | 2018-02-21 | 동우에이치에스티 주식회사 | Nitriding heat treatment method of steel for gear |
WO2019208534A1 (en) * | 2018-04-26 | 2019-10-31 | パーカー熱処理工業株式会社 | Nitrided steel member, and method and device for producing nitrided steel member |
JP2020164994A (en) * | 2019-03-29 | 2020-10-08 | Dowaサーモテック株式会社 | Steel member nitriding treatment method |
Non-Patent Citations (1)
Title |
---|
See also references of WO2022176878A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2022125513A (en) | 2022-08-29 |
WO2022176878A1 (en) | 2022-08-25 |
KR20230145118A (en) | 2023-10-17 |
US20240229178A9 (en) | 2024-07-11 |
US20240132985A1 (en) | 2024-04-25 |
CN116917529A (en) | 2023-10-20 |
TWI809714B (en) | 2023-07-21 |
MX2023009143A (en) | 2023-08-17 |
TW202237866A (en) | 2022-10-01 |
EP4296383A1 (en) | 2023-12-27 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20230803 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20231019 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |