JP6275821B2 - 鋼部品およびその製造方法 - Google Patents
鋼部品およびその製造方法 Download PDFInfo
- Publication number
- JP6275821B2 JP6275821B2 JP2016507787A JP2016507787A JP6275821B2 JP 6275821 B2 JP6275821 B2 JP 6275821B2 JP 2016507787 A JP2016507787 A JP 2016507787A JP 2016507787 A JP2016507787 A JP 2016507787A JP 6275821 B2 JP6275821 B2 JP 6275821B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- crystal layer
- steel material
- ultrafine crystal
- cracks
- 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 - Fee Related
Links
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
- 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
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- 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
- C21D1/78—Combined heat-treatments not provided for above
- C21D1/785—Thermocycling
-
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/046—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not
-
- 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
- C23C8/28—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 one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-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
- C23C8/80—After-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
Claims (2)
- 浸炭窒化処理された鋼材から製造された鋼部品において、前記鋼材の表面直下に、超微細結晶層が形成され、前記形成された超微細結晶層の下にクラックが1平方マイクロメートル当たり1個から100個形成されたことを特徴とする鋼部品。
- 鋼材から鋼部品を製造する鋼部品の製造方法において、前記鋼材を切削して所望の形状に加工する切削加工工程と、前記切削加工された鋼材を浸炭窒化処理する浸炭窒化処理工程と、前記浸炭窒化処理された鋼材の表面を機械的に摩擦することによって、または、前記表面に粒体または流体を衝突させることによって、刺激して加熱した後、冷却する加熱・冷却処理を所定回繰り返し、よって前記鋼材の表面直下に、超微細結晶層を形成すると共に、前記形成された超微細結晶層の下にクラックを1平方マイクロメートル当たり1個から100個形成するクラック形成工程とからなることを特徴とする鋼部品の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014047388 | 2014-03-11 | ||
JP2014047388 | 2014-03-11 | ||
PCT/JP2015/057131 WO2015137388A1 (ja) | 2014-03-11 | 2015-03-11 | 鋼部品およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015137388A1 JPWO2015137388A1 (ja) | 2017-04-06 |
JP6275821B2 true JP6275821B2 (ja) | 2018-02-07 |
Family
ID=54071830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016507787A Expired - Fee Related JP6275821B2 (ja) | 2014-03-11 | 2015-03-11 | 鋼部品およびその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10053747B2 (ja) |
JP (1) | JP6275821B2 (ja) |
CN (1) | CN106068331B (ja) |
WO (1) | WO2015137388A1 (ja) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3730015B2 (ja) * | 1998-06-02 | 2005-12-21 | 株式会社不二機販 | 金属成品の表面処理方法 |
JP2004339575A (ja) * | 2003-05-16 | 2004-12-02 | Nsk Ltd | 転動装置部品の製造方法 |
WO2005070614A1 (ja) * | 2004-01-21 | 2005-08-04 | Toyohashi University Of Technology | 超微細結晶層生成方法、その超微細結晶層生成方法により生成された超微細結晶層を備えた機械部品、及び、その機械部品を製造する機械部品製造方法、並びに、ナノ結晶層生成方法、そのナノ結晶層生成方法により生成されたナノ結晶層を備えた機械部品、及び、その機械部品を製造する機械部品製造方法 |
JP4154399B2 (ja) * | 2005-03-29 | 2008-09-24 | 日本航空電子工業株式会社 | 接点部材、コネクタ、及び接点部材の表面改質方法 |
JP5185103B2 (ja) | 2006-03-08 | 2013-04-17 | 国立大学法人大阪大学 | 変態を起こす金属の表面硬化処理方法 |
JP2007297651A (ja) * | 2006-04-27 | 2007-11-15 | Fuji Wpc:Kk | 硬質金属表面における結晶粒微細化方法 |
JP2008260994A (ja) | 2007-04-11 | 2008-10-30 | Toyota Motor Corp | 浸炭製品の製造方法 |
JP5173290B2 (ja) | 2007-07-09 | 2013-04-03 | Ntn株式会社 | チェーンテンショナ |
JP2009114480A (ja) | 2007-11-02 | 2009-05-28 | Toyota Motor Corp | 直接浸炭方法 |
JP2011235318A (ja) * | 2010-05-11 | 2011-11-24 | Daido Steel Co Ltd | ダイカスト金型の表面処理方法 |
JP5569588B2 (ja) * | 2010-09-09 | 2014-08-13 | トヨタ自動車株式会社 | 歯車 |
EP2789709A4 (en) * | 2011-12-06 | 2016-01-27 | Nsk Ltd | BEARING BEARING AND METHOD OF MANUFACTURING THE SAME |
-
2015
- 2015-03-11 CN CN201580012489.7A patent/CN106068331B/zh active Active
- 2015-03-11 JP JP2016507787A patent/JP6275821B2/ja not_active Expired - Fee Related
- 2015-03-11 WO PCT/JP2015/057131 patent/WO2015137388A1/ja active Application Filing
- 2015-03-11 US US15/124,453 patent/US10053747B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20170016083A1 (en) | 2017-01-19 |
CN106068331B (zh) | 2018-07-24 |
JPWO2015137388A1 (ja) | 2017-04-06 |
WO2015137388A1 (ja) | 2015-09-17 |
CN106068331A (zh) | 2016-11-02 |
US10053747B2 (en) | 2018-08-21 |
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