RU2494168C2 - Деталь двигателя, содержащая коррозионно-защитный слой, и способ ее изготовления - Google Patents
Деталь двигателя, содержащая коррозионно-защитный слой, и способ ее изготовления Download PDFInfo
- Publication number
- RU2494168C2 RU2494168C2 RU2012101273/02A RU2012101273A RU2494168C2 RU 2494168 C2 RU2494168 C2 RU 2494168C2 RU 2012101273/02 A RU2012101273/02 A RU 2012101273/02A RU 2012101273 A RU2012101273 A RU 2012101273A RU 2494168 C2 RU2494168 C2 RU 2494168C2
- Authority
- RU
- Russia
- Prior art keywords
- engine
- iron
- layer
- chromium
- valve
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- QEFDIAQGSDRHQW-UHFFFAOYSA-N [O-2].[Cr+3].[Fe+2] Chemical compound [O-2].[Cr+3].[Fe+2] QEFDIAQGSDRHQW-UHFFFAOYSA-N 0.000 claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 17
- 239000011651 chromium Substances 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 4
- 229910052596 spinel Inorganic materials 0.000 claims description 4
- 239000011029 spinel Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 75
- 238000005260 corrosion Methods 0.000 abstract description 29
- 230000007797 corrosion Effects 0.000 abstract description 29
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract 1
- 230000004580 weight loss Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001845 chromium compounds Chemical class 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Images
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
- C23C8/10—Oxidising
-
- 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
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
- C23C8/14—Oxidising 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
- C23C8/08—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
- C23C8/10—Oxidising
- C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
- C23C8/18—Oxidising of ferrous surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
- F01L3/04—Coated valve members or valve-seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2301/00—Using particular materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Articles (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0950464A SE533842C2 (sv) | 2009-06-16 | 2009-06-16 | Motorkomponent innefattande korrosionsskyddande skikt samt metod för tillverkning av motorkomponent |
| SE0950464-8 | 2009-06-16 | ||
| PCT/SE2010/050661 WO2010147541A1 (en) | 2009-06-16 | 2010-06-14 | Engine component comprising corrosion-protection layer and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2012101273A RU2012101273A (ru) | 2013-07-27 |
| RU2494168C2 true RU2494168C2 (ru) | 2013-09-27 |
Family
ID=43356615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2012101273/02A RU2494168C2 (ru) | 2009-06-16 | 2010-06-14 | Деталь двигателя, содержащая коррозионно-защитный слой, и способ ее изготовления |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20120085310A1 (de) |
| EP (1) | EP2443266B1 (de) |
| CN (1) | CN102459686A (de) |
| BR (1) | BRPI1009662A2 (de) |
| RU (1) | RU2494168C2 (de) |
| SE (1) | SE533842C2 (de) |
| WO (1) | WO2010147541A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6020957B2 (ja) * | 2012-02-02 | 2016-11-02 | 住友電気工業株式会社 | 内燃機関用材料の評価試験方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1717673A1 (ru) * | 1987-11-02 | 1992-03-07 | Институт Физической Химии Ан Ссср | Способ оксидировани хромистых сталей |
| US5271823A (en) * | 1992-06-17 | 1993-12-21 | Eaton Corporation | Method of making a trivalent chromium plated engine valve |
| US5985048A (en) * | 1998-04-07 | 1999-11-16 | Semitool, Inc. | Method for developing an enhanced oxide coating on a component formed from stainless steel or nickel alloy steel |
| RU2242533C2 (ru) * | 2002-12-26 | 2004-12-20 | Калининградский государственный технический университет | Способ химико-термической обработки изделий, преимущественно деталей поршневых пар тракторных и автомобильных двигателей |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB440197A (en) * | 1934-06-18 | 1935-12-18 | Horace Campbell Hall | Improvements relating to the prevention of wear during the running in of ferrous metal parts of engines and machinery |
| US3861907A (en) * | 1973-03-23 | 1975-01-21 | Crucible Inc | Wear resistant low-alloy valve steel |
| US4168184A (en) * | 1977-07-27 | 1979-09-18 | Gunnar Hultquist | Method of making surface layers with improved corrosion properties on articles of iron-chromium alloys, and a surface layer made by the method |
| JPS57207161A (en) * | 1981-06-15 | 1982-12-18 | Toshiba Corp | Heat resistant 12% cr steel |
| US4495907A (en) | 1983-01-18 | 1985-01-29 | Cummins Engine Company, Inc. | Combustion chamber components for internal combustion engines |
| JPS6137974A (ja) * | 1984-07-31 | 1986-02-22 | Nippon Yakin Kogyo Co Ltd | 耐蝕性に優れるステンレス鋼の着色処理方法 |
| SE463878B (sv) * | 1988-06-13 | 1991-02-04 | Abb Stal Ab | Metod att foerbaettra korrosions/erosionsresistensen hos varmhaallfasta legeringar baserade paa fe, co eller ni och som innehaaller cr och/eller al |
| US5520751A (en) * | 1993-09-24 | 1996-05-28 | Exxon Research And Engineering Company | Oxidation of low chromium steels |
| JPH07102916A (ja) * | 1993-10-07 | 1995-04-18 | Aisan Ind Co Ltd | エンジンバルブ |
| JPH07126868A (ja) * | 1993-11-01 | 1995-05-16 | Kobe Steel Ltd | 耐食性に優れた半導体製造装置用表面処理鋼材 |
| JP2001323323A (ja) * | 2000-05-12 | 2001-11-22 | Aichi Steel Works Ltd | 自動車用エンジンバルブの製造方法 |
| DE102009018406A1 (de) * | 2009-04-22 | 2009-10-29 | Daimler Ag | Nockenwelle und Verfahren zu deren Herstellung |
-
2009
- 2009-06-16 SE SE0950464A patent/SE533842C2/sv not_active IP Right Cessation
-
2010
- 2010-06-14 RU RU2012101273/02A patent/RU2494168C2/ru not_active IP Right Cessation
- 2010-06-14 CN CN201080026785XA patent/CN102459686A/zh active Pending
- 2010-06-14 EP EP10789819.9A patent/EP2443266B1/de not_active Not-in-force
- 2010-06-14 BR BRPI1009662A patent/BRPI1009662A2/pt active Search and Examination
- 2010-06-14 WO PCT/SE2010/050661 patent/WO2010147541A1/en active Application Filing
- 2010-06-14 US US13/378,415 patent/US20120085310A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1717673A1 (ru) * | 1987-11-02 | 1992-03-07 | Институт Физической Химии Ан Ссср | Способ оксидировани хромистых сталей |
| US5271823A (en) * | 1992-06-17 | 1993-12-21 | Eaton Corporation | Method of making a trivalent chromium plated engine valve |
| US5985048A (en) * | 1998-04-07 | 1999-11-16 | Semitool, Inc. | Method for developing an enhanced oxide coating on a component formed from stainless steel or nickel alloy steel |
| RU2242533C2 (ru) * | 2002-12-26 | 2004-12-20 | Калининградский государственный технический университет | Способ химико-термической обработки изделий, преимущественно деталей поршневых пар тракторных и автомобильных двигателей |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010147541A1 (en) | 2010-12-23 |
| CN102459686A (zh) | 2012-05-16 |
| SE533842C2 (sv) | 2011-02-01 |
| EP2443266A1 (de) | 2012-04-25 |
| US20120085310A1 (en) | 2012-04-12 |
| SE0950464A1 (sv) | 2010-12-17 |
| RU2012101273A (ru) | 2013-07-27 |
| EP2443266B1 (de) | 2018-04-18 |
| EP2443266A4 (de) | 2012-12-26 |
| BRPI1009662A2 (pt) | 2016-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100591362B1 (ko) | 내 침탄성과 내 코킹성을 갖는 스테인리스 강 및스테인리스 강 관 | |
| RU2532766C1 (ru) | Поверхностно-упрочненная сталь и способ ее изготовления | |
| US9695488B2 (en) | Steel for bolt use, bolt, and method for manufacturing bolt | |
| Leyens et al. | Oxide scale formation on an MCrAlY coating in various H2-H2O atmospheres | |
| CN103014599B (zh) | 一种奥氏体不锈钢复合表面处理工艺 | |
| KR100889909B1 (ko) | 오스테나이트 합금의 부동태화를 위한 고온 기체산화방법 | |
| KR101939510B1 (ko) | 확산 접합하기 어려운 오스테나이트계 스테인리스 강판 | |
| US8414710B2 (en) | Method for surface treatment of metal material | |
| RU2494168C2 (ru) | Деталь двигателя, содержащая коррозионно-защитный слой, и способ ее изготовления | |
| Chandra et al. | Temper embrittlement and corrosion behaviour of martensitic stainless steel 420 | |
| Bouchaud et al. | Cyclic and isothermal oxidation at 1,100 C of a CVD aluminised directionally solidified Ni Superalloy | |
| KR100905271B1 (ko) | 내열강의 가스질화방법 | |
| Grzesik et al. | The behavior of valve materials utilized in Diesel engines under thermal shock conditions | |
| KR101865530B1 (ko) | 공구의 제조 방법 | |
| JP5886537B2 (ja) | 高耐久性エンジンバルブ | |
| Atapour et al. | Cyclic oxidation behavior of plasma nitrided valve steel | |
| JPH05280643A (ja) | ピストンリングおよびその製造方法 | |
| JP7170406B2 (ja) | オーステナイト系ステンレス鋼およびその製造方法、および摺動部品 | |
| KR950008378B1 (ko) | 열간압연을 위한 오스테나이트계 스테인레스강 슬라브의 가열방법 | |
| Ubertalli et al. | Characterization of Highly Hardened Surface Layers on Austenitic Stainless Steels | |
| Susan et al. | Additive Manufacturing as a Hybrid Synthesis-Joining Method to Optimize Magnetic and Mechanical Properties of Dissimilar Alloys. | |
| LIN | Failure Analysis of Coating Adhesion: Peeling of Internal Oxidation Layer over Electrical Steel after Stress Relief Annealing | |
| Kong et al. | A Novel TiN Formation Method on the Ti-added Ferritic Stainless Steel | |
| JPS641955Y2 (de) | ||
| KOCHMAŃSKA et al. | Carbon diffusion protective Al-Si coatings on high temperature creep resistant cast steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20200615 |