JP2021531408A - 窒素含有保護層を有する鋼製部材の製造方法およびそれに対応して製造された部材 - Google Patents
窒素含有保護層を有する鋼製部材の製造方法およびそれに対応して製造された部材 Download PDFInfo
- Publication number
- JP2021531408A JP2021531408A JP2021502875A JP2021502875A JP2021531408A JP 2021531408 A JP2021531408 A JP 2021531408A JP 2021502875 A JP2021502875 A JP 2021502875A JP 2021502875 A JP2021502875 A JP 2021502875A JP 2021531408 A JP2021531408 A JP 2021531408A
- Authority
- JP
- Japan
- Prior art keywords
- nitrogen
- steel
- quenching
- fuel cell
- temperature
- 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.)
- Granted
Links
Images
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
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/613—Gases; Liquefied or solidified normally gaseous material
-
- 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
- C21D1/62—Quenching devices
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/007—Heat treatment of ferrous alloys containing Co
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/04—Hardening by cooling below 0 degrees Celsius
-
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/36—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Heat Treatment Of Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
炭素 0重量%から 2重量%まで、
窒素 0重量%から 2重量%まで、
ニッケル 0重量%から 2重量%まで、
マンガン 0重量%から 2重量%まで、
モリブデン 0重量%から 2重量%まで、
コバルト 0重量%から 2重量%まで、
銅 0重量%から 2重量%まで、
アルミニウム 0重量%から 2重量%まで、
鉄 64重量%から90重量%まで、
である。
22 保護層
36 圧力ガス貯蔵装置
51 第1の流れ方向
56 第1の供給管
57 第1の排出管
61 第2の流れ方向
66 第2の供給管
67 第2の排出管
70 燃料電池システム
71 負端子
72 正端子
73 アノード
74 カソード
75 燃料電池ユニット
Claims (10)
- 窒素含有保護層(22)を有する鋼製部材(20)を製造する方法であって、
以下の工程:
‐窒素含有雰囲気中900℃を超える温度まで前記部材(20)の焼鈍しをする工程、
‐前記部材(20)の焼入れをする工程、
‐−70℃より低い温度で前記部材(20)の低温冷却をする工程、
‐150℃を超える温度で前記部材(20)の焼戻しをする工程、
を含む方法。 - 前記部材(20)の焼鈍しを50ミリバールから5バールの間の窒素分圧で実施する、請求項1に記載の方法。
- 前記部材(20)の焼入れを1バールから40バールの間の焼入れ圧力で実施する、請求項1および2のいずれか1項に記載の方法。
- 前記部材(20)の焼入れを、窒素、アルゴンおよびヘリウムの群から選ばれた1つの焼入れ媒体によって実施する、請求項1から3までのいずれか1項に記載の方法。
- 前記部材(20)の焼入れを50℃より低い温度まで実施する、請求項1から4までのいずれか1項に記載の方法。
- 前記部材(20)の低温冷却を15分間から30分間にわたって実施する、請求項1から5までのいずれか1項に記載の方法。
- 前記部材(20)の焼戻しを窒素含有雰囲気中で実施する、請求項1から6までのいずれか1項に記載の方法。
- 前記部材(20)の鋼はクロムを10重量%から20重量%の間で含有する、請求項1から7までのいずれか1項に記載の方法。
- 請求項1から8までのいずれか1項に記載の方法で製造された部材(20)。
- 燃料電池システム(70)における請求項9に記載の部材(20)の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018212111.7A DE102018212111A1 (de) | 2018-07-20 | 2018-07-20 | Verfahren zur Herstellung eines Bauteils aus einem Stahl mit einer stickstoffhaltigen Schutzschicht und entsprechend hergestelltes Bauteil |
DE102018212111.7 | 2018-07-20 | ||
PCT/EP2019/068246 WO2020016040A1 (de) | 2018-07-20 | 2019-07-08 | Verfahren zur herstellung eines bauteils aus einem stahl mit einer stickstoffhaltigen schutzschicht und entsprechend hergestelltes bauteil |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021531408A true JP2021531408A (ja) | 2021-11-18 |
JP7297863B2 JP7297863B2 (ja) | 2023-06-26 |
Family
ID=67396916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021502875A Active JP7297863B2 (ja) | 2018-07-20 | 2019-07-08 | 窒素含有保護層を有する鋼製部材の製造方法およびそれに対応して製造された部材 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3824106A1 (ja) |
JP (1) | JP7297863B2 (ja) |
KR (1) | KR20210035835A (ja) |
DE (1) | DE102018212111A1 (ja) |
WO (1) | WO2020016040A1 (ja) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09287058A (ja) * | 1996-02-21 | 1997-11-04 | Nippon Seiko Kk | 転がり軸受 |
WO2001068933A2 (en) * | 2000-03-14 | 2001-09-20 | The Timken Company | High performance carburizing stainless steel for high temperature use |
DE102004039926A1 (de) * | 2004-08-18 | 2006-02-23 | Robert Bosch Gmbh | Verfahren zur Herstellung eines temperatur- und korrosionsbeständigen Kraftstoffinjektorkörpers |
JP2006233282A (ja) * | 2005-02-25 | 2006-09-07 | Jfe Steel Kk | 電気伝導性および耐食性に優れた通電電気部品用ステンレス鋼及びその製造方法 |
JP2007073433A (ja) * | 2005-09-08 | 2007-03-22 | Nissan Motor Co Ltd | 燃料電池用セパレータ、燃料電池スタック、燃料電池車両、及び燃料電池用セパレータの製造方法 |
JP2009103291A (ja) * | 2007-10-25 | 2009-05-14 | Nsk Ltd | 遊星ローラねじ |
JP2010248540A (ja) * | 2009-04-10 | 2010-11-04 | Kobe Steel Ltd | 一体型クランク軸およびその製造方法 |
JP2015094015A (ja) * | 2013-11-13 | 2015-05-18 | 日本精工株式会社 | マルテンサイト系ステンレス鋼を用いた機構部品の製造方法および回転装置 |
WO2015110199A1 (de) * | 2014-01-22 | 2015-07-30 | Robert Bosch Gmbh | Verfahren zur herstellung eines magnetventils |
CN108118260A (zh) * | 2017-12-26 | 2018-06-05 | 钢铁研究总院 | 一种超强超硬高温不锈轴承齿轮钢及制备方法 |
WO2019002044A1 (de) * | 2017-06-26 | 2019-01-03 | Hilti Aktiengesellschaft | Martensitisch härtbarer stahl und dessen anwendung, insbesondere zur herstellung einer schraube |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7208052B2 (en) * | 2003-12-23 | 2007-04-24 | Rolls-Royce Corporation | Method for carburizing steel components |
DE102008050458A1 (de) | 2008-10-08 | 2010-04-15 | Peter Dr. Barth | Schmucksachen aus Edelstahl mit einer martensitischen Randschicht |
SE533991C2 (sv) * | 2008-11-06 | 2011-03-22 | Uddeholms Ab | Förfarande för tillverkning av en kompoundprodukt med ett område med slitstark beläggning, en sådan kompoundprodukt och användningen av ett stålmaterial för åstadkommande av beläggningen |
MY165022A (en) | 2011-04-28 | 2018-02-28 | Expanite As | Method for solution hardening of a cold deformed workpiece of a passive alloy, and a member solution hardened by the method |
DE102012216117A1 (de) | 2012-09-12 | 2014-03-13 | Hilti Aktiengesellschaft | Verfahren zum Herstellen einer selbstschneidenden Schraube |
JP6417841B2 (ja) * | 2014-10-09 | 2018-11-07 | 新日鐵住金株式会社 | 冷延鋼板の製造方法 |
WO2018103080A1 (zh) * | 2016-12-09 | 2018-06-14 | 张康 | 一种高碳铬轴承钢热处理工艺 |
-
2018
- 2018-07-20 DE DE102018212111.7A patent/DE102018212111A1/de active Pending
-
2019
- 2019-07-08 EP EP19742540.8A patent/EP3824106A1/de active Pending
- 2019-07-08 KR KR1020217004647A patent/KR20210035835A/ko not_active Application Discontinuation
- 2019-07-08 WO PCT/EP2019/068246 patent/WO2020016040A1/de unknown
- 2019-07-08 JP JP2021502875A patent/JP7297863B2/ja active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09287058A (ja) * | 1996-02-21 | 1997-11-04 | Nippon Seiko Kk | 転がり軸受 |
WO2001068933A2 (en) * | 2000-03-14 | 2001-09-20 | The Timken Company | High performance carburizing stainless steel for high temperature use |
DE102004039926A1 (de) * | 2004-08-18 | 2006-02-23 | Robert Bosch Gmbh | Verfahren zur Herstellung eines temperatur- und korrosionsbeständigen Kraftstoffinjektorkörpers |
JP2006233282A (ja) * | 2005-02-25 | 2006-09-07 | Jfe Steel Kk | 電気伝導性および耐食性に優れた通電電気部品用ステンレス鋼及びその製造方法 |
JP2007073433A (ja) * | 2005-09-08 | 2007-03-22 | Nissan Motor Co Ltd | 燃料電池用セパレータ、燃料電池スタック、燃料電池車両、及び燃料電池用セパレータの製造方法 |
JP2009103291A (ja) * | 2007-10-25 | 2009-05-14 | Nsk Ltd | 遊星ローラねじ |
JP2010248540A (ja) * | 2009-04-10 | 2010-11-04 | Kobe Steel Ltd | 一体型クランク軸およびその製造方法 |
JP2015094015A (ja) * | 2013-11-13 | 2015-05-18 | 日本精工株式会社 | マルテンサイト系ステンレス鋼を用いた機構部品の製造方法および回転装置 |
WO2015110199A1 (de) * | 2014-01-22 | 2015-07-30 | Robert Bosch Gmbh | Verfahren zur herstellung eines magnetventils |
WO2019002044A1 (de) * | 2017-06-26 | 2019-01-03 | Hilti Aktiengesellschaft | Martensitisch härtbarer stahl und dessen anwendung, insbesondere zur herstellung einer schraube |
CN108118260A (zh) * | 2017-12-26 | 2018-06-05 | 钢铁研究总院 | 一种超强超硬高温不锈轴承齿轮钢及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP7297863B2 (ja) | 2023-06-26 |
KR20210035835A (ko) | 2021-04-01 |
EP3824106A1 (de) | 2021-05-26 |
DE102018212111A1 (de) | 2020-01-23 |
WO2020016040A1 (de) | 2020-01-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8137482B2 (en) | Carburization heat treatment method and method of use | |
US20130004883A1 (en) | High-nitrogen stainless steel pipe with high strength, high ductility, and excellent corrosion and heat resistance and process for producing same | |
JP2007046088A (ja) | 浸窒焼入品及びその製造方法 | |
KR20140143460A (ko) | 기어 및 그 제조 방법 | |
US4913749A (en) | Process for case-hardening rolling bearing elements of low-alloy nickeliferous steel | |
JP2011235318A (ja) | ダイカスト金型の表面処理方法 | |
JP2005531694A (ja) | 表面改質ステンレス鋼 | |
US20150020924A1 (en) | Composite steel part and manufacturing method for the same | |
KR20180054031A (ko) | 내수소취성이 개선된 오스테나이트계 스테인리스강 및 이를 포함하는 고압 수소 가스용 용기 | |
KR101719560B1 (ko) | 표면경화 합금강의 열처리 방법 | |
JP7297863B2 (ja) | 窒素含有保護層を有する鋼製部材の製造方法およびそれに対応して製造された部材 | |
US7722803B2 (en) | High carbon surface densified sintered steel products and method of production therefor | |
KR20150019236A (ko) | 내수소취성이 우수한 Cr-Mo 합금강 조성물 및 이의 열처리 방법 | |
JP2005503488A (ja) | 温度変化に安定な鋼からなるワークピースの熱処理方法 | |
KR102075205B1 (ko) | 극저온용 강재 및 그 제조방법 | |
CN109923219B (zh) | 用于对由高合金钢制成的工件进行热处理的方法 | |
US7695573B2 (en) | Method for processing alloys via plasma (ion) nitriding | |
JP2000204464A (ja) | 表面処理歯車とその製造方法、製造装置 | |
KR102360964B1 (ko) | 기어용 강의 복합 열처리 방법 | |
EP1954848B1 (en) | A process for raising the tempering resistance of a steel work piece | |
KR100864700B1 (ko) | 대형금형의 표면경화방법 | |
EP4282989A2 (en) | High strength fuel piping material for hydrogen mobility | |
US11905602B2 (en) | Method for reinforcing a steel component by carbonitriding | |
KR101054775B1 (ko) | 차량 변속기 기어류용 합금강 및 침탄 열처리 방법 | |
JP2009270155A (ja) | 浸窒焼入れ方法および浸窒焼入れ品 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210118 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220221 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220519 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221004 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20221223 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230227 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230530 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230614 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7297863 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |