JP7329304B2 - 準安定オーステナイト含有のコーティングされた鋼の上昇温度における圧下 - Google Patents
準安定オーステナイト含有のコーティングされた鋼の上昇温度における圧下 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims description 110
- 239000010959 steel Substances 0.000 title claims description 110
- 229910001566 austenite Inorganic materials 0.000 title claims description 33
- 230000009467 reduction Effects 0.000 title description 17
- 238000005096 rolling process Methods 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 41
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000734 martensite Inorganic materials 0.000 description 31
- 230000008569 process Effects 0.000 description 21
- 238000005097 cold rolling Methods 0.000 description 18
- 239000000203 mixture Substances 0.000 description 11
- 230000009466 transformation Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
-
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
- C21D8/0284—Application of a separating or insulating coating
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0231—Warm rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0431—Warm rolling
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
-
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electrochemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Description
この出願の発明に関連する先行技術文献情報としては、以下のものがある(国際出願日以降国際段階で引用された文献及び他国に国内移行した際に引用された文献を含む)。
(先行技術文献)
(特許文献)
(特許文献1) 米国特許出願公開第2016/122839号明細書
(特許文献2) 国際公開第2017/124081号
(特許文献3) 欧州特許出願公開第2383353号明細書
(特許文献4) 米国特許出願公開第2016/281196号明細書
(特許文献5) 国際公開第2013/124283号
Md30=551-462(%C+%N)-68*%Cb-13.7*Cr-29(%Cu+%Ni)-8.1*%Mn-18.5*%Mo-9.2*%Si 式2
Md30=413-462*(%C+%N)-13.7*%Cr-8.1*%Mn-18.5*%Mo-9.5*%Ni-9.2*%Si 式3
1.高強度材料を処理するコーティングライン設備の能力、及び
2.溶融コーティング処理において鋼帯を高温にさらすと、マルテンサイトの一部またはすべてが低強度のオーステナイトに戻り、降伏強度と抗張強度が低下する。
a.2.9以上の不安定係数(IF)を持つ準安定鋼を選択し、IFは次の式で計算される。
IF=37.193-51.248(%C)-0.4677(%Cr)-1.0174(%Mn)-34.396(%N)-2.5884(%Ni)
b.前記準安定鋼をコーティングする前に、前記準安定鋼を焼鈍する。
c.前記準安定鋼を被覆した後、前記準安定鋼を70°Fより高い加温温度まで温める。そして
d.コーティングされ、温められた準安定鋼を圧延する。
またはそれを超える。
Md30=551-462(%C+%N)-68*%Cb-13.7*Cr-29(%Cu+%Ni)-8.1*%Mn-18.5*%Mo-9.2*%Si
Md30=413-462*(%C+%N)-13.7*%Cr-8.1*%Mn-18.5*%Mo-9.5*%Ni-9.2*%Si
Md30=551-462(%C+%N)-68*%Cb-13.7*Cr-29(%Cu+%Ni)-8.1*%Mn-18.5*%Mo-9.2*%Si
Md30=413-462*(%C+%N)-13.7*%Cr-8.1*%Mn-18.5*%Mo-9.5*%Ni-9.2*%Si
Claims (8)
- 準安定鋼のコーティング方法であって、
a.準安定オーステナイトを含み、2.9以上の不安定係数(IF)を有する準安定鋼を選択する工程であって、前記IFは以下の式:
IF=37.193-51.248(%C)-0.4677(%Cr)-1.0174(%Mn)-34.396(%N)-2.5884(%Ni)
によって計算され、
前記%C、%Cr、%Mn、%N、および%Niは質量パーセントである、前記選択する工程と、
b.前記準安定鋼をコーティングする前に、前記準安定鋼を焼鈍する工程と、
c.前記準安定鋼を金属コーティングでコーティングする工程と、
d.前記準安定鋼をコーティングした後、前記準安定鋼を66℃より高く、499℃より低い加温温度まで温める工程と、および
e.前記準安定鋼を温めた後、前記工程dの前記加温温度で温められた前記準安定鋼を圧延する工程と、
を含む、方法。 - 請求項1記載の方法において、前記加温温度は、前記準安定鋼のMd温度を超える、方法。
- 請求項1記載の方法において、前記加温温度は、930°F以下である、方法。
- 請求項1記載の方法において、前記加温温度は、前記準安定鋼のMd30温度を超えるものであり、前記準安定鋼の前記Md30温度は、以下の式:
Md30=551-462(%C+%N)-68*%Nb-13.7*Cr-29(%Cu+%Ni)-8.1*%Mn-18.5*%Mo-9.2*%Si
に従って、全て質量パーセントで、計算される、方法。 - 請求項1記載の方法において、前記加温温度は、前記準安定鋼のM d30温度を超えるものであり、前記準安定鋼の前記Md30温度は、以下の式:
Md30=413-462*(%C+%N)-13.7*%Cr-8.1*%Mn-18.5*%Mo-9.5*%Ni-9.2*%Si
に従って計算され、
前記%C、%Cr、%Mn、%N、%Mo、%Ni、および%Siは質量パーセントである、方法。 - 請求項1、2、3、4、または5のいずれか1つに記載の方法において、圧延後、前記準安定鋼を室温でさらに圧延する工程をさらに含む、方法。
- 請求項6に記載の方法において、コーテイングされた前記準安定鋼は、室温で圧延される前に焼鈍される工程をさらに含む、方法。
- 請求項1に記載の方法において、前記金属コーティングは、亜鉛、アルミニウム、またはそれらのうちの1つまたはそれ以上の合金を含む、方法。
Applications Claiming Priority (3)
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US201862642208P | 2018-03-13 | 2018-03-13 | |
US62/642,208 | 2018-03-13 | ||
PCT/US2019/021392 WO2019177896A1 (en) | 2018-03-13 | 2019-03-08 | Reduction at elevated temperature of coated steels containing metastable austenite |
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JP2021516292A JP2021516292A (ja) | 2021-07-01 |
JP7329304B2 true JP7329304B2 (ja) | 2023-08-18 |
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Country Status (9)
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US (1) | US10711320B2 (ja) |
EP (1) | EP3765642A1 (ja) |
JP (1) | JP7329304B2 (ja) |
KR (1) | KR102491747B1 (ja) |
CN (1) | CN111727265B (ja) |
CA (1) | CA3089283C (ja) |
MX (1) | MX2020009524A (ja) |
TW (1) | TW201938802A (ja) |
WO (1) | WO2019177896A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11905615B2 (en) | 2010-12-28 | 2024-02-20 | Stamford Devices Limited | Photodefined aperture plate and method for producing the same |
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TW201938802A (zh) | 2019-10-01 |
EP3765642A1 (en) | 2021-01-20 |
KR20200130855A (ko) | 2020-11-20 |
KR102491747B1 (ko) | 2023-01-27 |
US20190284655A1 (en) | 2019-09-19 |
CA3089283C (en) | 2023-02-14 |
CN111727265A (zh) | 2020-09-29 |
JP2021516292A (ja) | 2021-07-01 |
MX2020009524A (es) | 2020-10-28 |
WO2019177896A1 (en) | 2019-09-19 |
CN111727265B (zh) | 2023-03-24 |
CA3089283A1 (en) | 2019-09-19 |
US10711320B2 (en) | 2020-07-14 |
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