JP2019518876A - 高強度鋼製品及び該製品を製造するためのアニーリング工程 - Google Patents
高強度鋼製品及び該製品を製造するためのアニーリング工程 Download PDFInfo
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- JP2019518876A JP2019518876A JP2019511825A JP2019511825A JP2019518876A JP 2019518876 A JP2019518876 A JP 2019518876A JP 2019511825 A JP2019511825 A JP 2019511825A JP 2019511825 A JP2019511825 A JP 2019511825A JP 2019518876 A JP2019518876 A JP 2019518876A
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- steel sheet
- sheet product
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- high strength
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 105
- 239000010959 steel Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 83
- 238000000137 annealing Methods 0.000 title claims abstract description 66
- 229910001566 austenite Inorganic materials 0.000 claims description 39
- 229910000859 α-Fe Inorganic materials 0.000 claims description 22
- 230000000717 retained effect Effects 0.000 claims description 21
- 229910000734 martensite Inorganic materials 0.000 claims description 20
- 239000010960 cold rolled steel Substances 0.000 claims description 17
- 238000002791 soaking Methods 0.000 claims description 13
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 238000005246 galvanizing Methods 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 4
- 238000009713 electroplating Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 21
- 239000000047 product Substances 0.000 description 50
- 238000001816 cooling Methods 0.000 description 23
- 238000010438 heat treatment Methods 0.000 description 22
- 238000010791 quenching Methods 0.000 description 17
- 230000000171 quenching effect Effects 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000011572 manganese Substances 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000005496 tempering Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 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
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—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 aluminium or an aluminium alloy
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- C—CHEMISTRY; METALLURGY
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- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
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- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C21D1/20—Isothermal quenching, e.g. bainitic hardening
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- C—CHEMISTRY; METALLURGY
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- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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- C21D1/26—Methods of annealing
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- C21D1/78—Combined heat-treatments not provided for above
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- 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
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- C23C28/023—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 only including layers of metallic material only coatings of metal elements only
- C23C28/025—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 only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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Abstract
Description
アニーリング工程の第1段階の目的は、マルテンサイトのミクロ組織を達成することである。第1段階の第1アニーリング工程では、アニーリング温度は、A3温度を超える温度が通常使用され、例えば、820℃以上のアニーリング温度が使用され得る。特定の実施形態では、第1段階のアニーリング温度は、通常、830〜980℃の範囲であり、例えば830〜940℃、又は840〜930℃、又は860〜925℃である。特定の実施形態では、ピークアニーリング温度は、典型的には、20秒間以上保持され、保持時間は、例えば20〜500秒間、又は30〜200秒間であり得る。加熱は、非酸化式又は酸化式の直接燃焼炉(DFF)、酸素富化DFI、誘導加熱、ガスラジアントチューブ加熱、電気ラジアント加熱等の従来の技術によって行われることができる。本発明の工程での使用に適合した加熱システムの例は、Fives Stein社に譲渡された米国特許第5,798,007号、第7,368,689号、第8,425,225号、第8,845,324号、米国特許出願第2009/0158975号、及び国際公開第WO2015/083047号に記載されている。本発明の工程での使用に適合した加熱システムの他の例として、Drever International社に譲渡された米国特許第7,384,489号、Nippon Steel社及びSumitomo Metal Corporation社に譲渡された米国特許第9,096,918号が挙げられる。これらの他にも、既知の適当な加熱システム及び工程を、段階1及び段階2で使用されることができる。
アニーリング工程の第2段階は、比較的高温で行われる第1工程と、比較的低温で行われる第2工程とを含む。これらの工程は、図4に記載されているように、第2アニーリングの「均熱(soaking)」ゾーン及び「保持(holding)」ゾーンとして構成される。温度は、最終製品における所望のミクロ組織の生成が促進されるように制御される。
表2の試料No.1の組成を有する冷間圧延鋼板に、図1に示される2段階アニーリング工程を行なった。得られた製品のミクロ組織を図5及び図6に示している。図5は、市販のEDAX方位像顕微鏡ソフトウェアを使用したEBSD技術により、暗いフェライト粒子と明るいオーステナイト粒子を示している。
表2の試料No.2の組成を有する冷間圧延鋼板に、図1に示される2段階アニーリング工程を行なった。得られた製品のミクロ組織を図11に示している。試料No.2の機械的特性は表2に記載されている。フェライトの結晶粒度分布は図9に示され、オーステナイトの結晶粒度分布は図10に示されている。オーステナイトの平均結晶粒径は1ミクロン未満であり、フェライトの平均結晶粒径は10ミクロン未満である。
表2の試料No.3の組成を有する冷間圧延鋼板に、図2に示される2段階アニーリング工程を行なった。得られた製品のミクロ組織を図12及び図13に示している。図13において、オーステナイトは色が明るく、フェライトは色が暗い。試料No.3の機械的特性は表2に記載されている。
表2の試料No.4の組成を有する冷間圧延鋼板に、図3に示される2段階アニーリング工程を行なった。得られた製品のミクロ組織を図14に示している。図14において、オーステナイトは色が明るく、フェライトは色が暗い。試料No.4の機械的特性は表2に記載されている。
表2の試料No.5の組成を有する冷間圧延鋼板を、図1に示される2段階アニーリング工程を行なった。得られた製品のミクロ組織を図12及び図13に示している。試料No.5の機械的特性は表2に記載されている。
表2の試料No.6の組成を有する冷間圧延鋼板に、図1に示される2段階アニーリング工程を行なった。試料No.6の機械的特性は表2に記載されている。図7は、表2の試料No.6の組成を有する鋼について、図1に示される2段階アニーリング工程が行なった鋼のミクロ組織を示す光学像である。図7中、写真の暗い領域はフェライト粒であり、明るい領域はオーステナイト粒である。図8は、図7に示すオーステナイト粒のアスペクト比を示すグラフである。図7の光学画像は、市販のソフトウェアによる画像解析を用いてオーステナイト粒のアスペクト比を決定するのに用いられた。図7は、オーステナイト粒の平均アスペクト比が3:1未満であることを示している。
表2の試料No.7の組成を有する冷間圧延鋼板に、図2に示される2段階アニーリング工程を行なった。試料No.7の機械的特性は表2に記載されている。
表2の試料No.8の組成を有する冷間圧延鋼板に、図3に示される2段階アニーリング工程を行なった。試料No.8の機械的特性は表2に記載されている。
表2の試料No.C1〜C4の組成を有する冷間圧延鋼板に、図1に示される2段階アニーリング工程を行なった。試料No.C1〜C4の機械的特性は表2に記載されている。比較例1〜4の鋼のUTS値は700MPa未満であった。
表2の試料No.C5〜C8の組成を有する冷間圧延鋼板に、図1に示される2段階アニーリング工程を行なった。試料No.C5〜C8の機械的特性は表2に記載されている。比較例1〜4の鋼のUTS値は1,100MPaを超えていた。
表2の試料No.C9〜C11の組成を有する冷間圧延鋼板に、図1に示される2段階アニーリング工程を行なった。但し、第2のアニーリングの均熱温度又は保持温度は、本発明の好ましい範囲から外れていた。試料No.C9〜C11の機械的特性は表2に記載されている。
表2の試料No.C12の組成を有する冷間圧延鋼板に、図2に示される2段階アニーリング工程を行なった。但し、第2のアニーリングの保持温度は、本発明の好ましい範囲から外れていた。試料No.C12の機械的特性は表2に記載されている。
CAL+CAL工程又はCAL+CGL工程のどちらかを使用して、以下の表3のM1〜M5で示される試料について、工場実験を行なった。試料M1、M2及びM5については、図1に示すCAL+CALの処理時間と温度を用いた。試料M3及びM4については、図2に示すCAL+CGLの処理時間と温度を使用した。
Claims (34)
- Cを0.12〜0.5重量%、Mnを1〜3重量%、Si及びAlの組合せを0.8〜3重量%含む高強度冷間圧延鋼板製品であって、
前記鋼板製品は2段階のアニーリング工程に付されて、フェライト結晶粒と、平均アスペクト比が3:1未満の実質的に等軸の残留オーステナイト結晶粒とを含み、極限引張強さと全伸び(UTS・TE)との組合せが25,000MPa%より大きい、高強度冷間圧延鋼板製品。 - Siは最大2重量%、Alは最大2重量%を含み、鋼板製品は、最大0.05重量%のTiと、最大0.05重量%のNbとをさらに含む、請求項1の高強度冷間鋼板製品。
- Cは0.15〜0.4重量%含み、Mnは1.3〜2.5重量%含み、Siは0.2〜1.8重量%含み、Alは最大1.5重量%を含み、Tiは最大0.03重量%含み、Nbは最大0.03重量%含む、請求項2の高強度冷間鋼板製品。
- Cは0.17〜0.35重量%含み、Mnは1.5〜2.3重量%含み、Siは0.4〜1.5重量%含み、Alは最大1重量%を含み、Tiは最大0.02重量%含み、Nbは最大0.02重量%含む、請求項2の高強度冷間鋼板製品。
- フェライトは、少なくとも50体積%を含み、残留オーステナイトは、5〜25体積%を含み、残留オーステナイト粒の平均アスペクト比は、2:1未満である、請求項1の高強度冷間鋼板製品。
- 残留オーステナイトは、10ミクロン未満の平均結晶粒径を有する、請求項1の高強度冷間鋼板製品。
- 残留オーステナイトは、1ミクロン未満の平均結晶粒径を有する、請求項6の高強度冷間鋼板製品。
- 鋼板製品は、15体積%未満のフレッシュマルテンサイトを含む、請求項6の高強度冷間鋼板製品。
- 鋼板製品は、720〜1,100MPaの極限引張強さと、少なくとも20%の全伸びを有する、請求項1の高強度冷間鋼板製品。
- 鋼板製品は、20%超の穴広がり比を有する、請求項1の高強度冷間鋼板製品。
- UTS・TEは、少なくとも30,000MPa%である、請求項1の高強度冷間鋼板製品。
- 鋼板製品に亜鉛ベースのめっきをさらに含む、請求項1の高強度冷間鋼板製品。
- Cを0.12〜0.5重量%、Mnを1〜3重量%、Si及びAlの組合せを0.8〜3重量%含む高強度冷間圧延鋼板製品を製造する方法であって、
鋼板製品を第1段階のアニーリング工程に付して、マルテンサイトを主とするミクロ組織を得ることと、
鋼板製品を第2段階の工程に付すことと、を含み、前記第2段階の工程が、鋼板製品を720〜850℃の温度の変態区間で均熱し、次いで、鋼板製品を370〜430℃の温度で保持することを含む、方法。 - 第1段階のアニーリング工程は、820℃を超える温度で行われる、請求項13の方法。
- 第1段階のアニーリング工程は、830〜940℃の温度で行われる、請求項13の方法。
- 第2段階の均熱工程は、720〜850℃の温度で行われ、第2段階の保持工程は360〜440℃の温度で行われる、請求項13の方法。
- 鋼板製品は、第1段階の工程と第2段階の工程との間で、300℃より低い温度に冷却される、請求項13の方法。
- 鋼板製品は、第2段階の均熱工程と第2段階の保持工程との間で、300℃を超える温度に維持される、請求項13の方法。
- 第1段階のアニーリング工程は、連続アニーリングラインで行われ、第2段階の工程は、連続アニーリングラインで行われる、請求項13の方法。
- 同じ連続アニーリングラインが、第1段階のアニーリング工程及び第2段階のアニーリング工程の両方に用いられる、請求項19の方法。
- 異なる連続アニーリングラインが、第1段階のアニーリング工程と第2段階のアニーリング工程に用いられる、請求項19の方法。
- 第1段階のアニーリング工程は、連続アニーリングラインで行われ、第2段階の工程は、連続亜鉛めっきラインで行われる、請求項13の方法。
- 鋼板製品に亜鉛ベースめっきで電解めっきすることをさらに含む、請求項13の方法。
- 鋼板製品は、フェライト結晶粒と、3:1未満の平均アスペクト比を有する実質的に等軸の残留オーステナイト結晶粒とを含み、25,000MPa%超の極限引張強さと全伸びの組合せUTS・TEを有する、請求項13の方法。
- Siは最大2重量%、Alは最大2重量%を含み、鋼板製品は、最大0.05重量%のTiと、最大0.05重量%のNbとをさらに含む、請求項13の方法。
- Cは0.15〜0.4重量%含み、Mnは1.3〜2.5重量%含み、Siは0.2〜1.8重量%含み、Alは最大1.5重量%を含み、Tiは最大0.03重量%含み、Nbは最大0.03重量%含む、請求項25の方法。
- 請求項2の冷間鋼製品の場合、Cは0.17〜0.35重量%含み、Mnは1.5〜2.3重量%含み、Siは0.4〜1.5重量%含み、Alは最大1重量%を含み、Tiは最大0.02重量%含み、Nbは最大0.02重量%含む、請求項25の方法。
- フェライトは、少なくとも50体積%を含み、残留オーステナイトは、5〜25体積%を含み、残留オーステナイト粒の平均アスペクト比は、2:1未満である、請求項13の方法。
- 残留オーステナイトは、10ミクロン未満の平均結晶粒径を有する、請求項13の方法。
- 残留オーステナイトは、1ミクロン未満の平均結晶粒径を有する、請求項29の方法。
- 鋼板製品は、15体積%未満のフレッシュマルテンサイトを含む、請求項13の方法。
- 鋼板製品は、720〜1,100MPaの極限引張強さと、少なくとも20%の全伸びを有する、請求項13の方法。
- 鋼板製品は、20%超の穴広がり比を有する、請求項13の方法。
- 鋼板製品に、亜鉛ベースのめっきを施すことをさらに含む、請求項13の方法。
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EP3455068A1 (en) | 2019-03-20 |
CA3026506A1 (en) | 2017-11-16 |
US11268162B2 (en) | 2022-03-08 |
AU2017263399B2 (en) | 2022-03-24 |
MX2018013869A (es) | 2019-03-21 |
RU2749413C2 (ru) | 2021-06-09 |
AU2017263399A1 (en) | 2019-01-03 |
JP7186694B2 (ja) | 2022-12-09 |
BR112018073175A2 (pt) | 2019-02-19 |
RU2018143682A (ru) | 2020-06-10 |
US10385419B2 (en) | 2019-08-20 |
CN109414904B (zh) | 2022-10-28 |
US20170327924A1 (en) | 2017-11-16 |
KR102557715B1 (ko) | 2023-07-20 |
US20190062864A1 (en) | 2019-02-28 |
UA124536C2 (uk) | 2021-10-05 |
WO2017196965A1 (en) | 2017-11-16 |
CN109414904A (zh) | 2019-03-01 |
BR112018073175B1 (pt) | 2022-08-16 |
US20190390291A1 (en) | 2019-12-26 |
KR20190020296A (ko) | 2019-02-28 |
RU2018143682A3 (ja) | 2020-07-07 |
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