JP2018513909A - アルミニウム系被膜および亜鉛被膜で被覆された板からのリン酸塩処理可能な部品の製造方法 - Google Patents
アルミニウム系被膜および亜鉛被膜で被覆された板からのリン酸塩処理可能な部品の製造方法 Download PDFInfo
- Publication number
- JP2018513909A JP2018513909A JP2017543942A JP2017543942A JP2018513909A JP 2018513909 A JP2018513909 A JP 2018513909A JP 2017543942 A JP2017543942 A JP 2017543942A JP 2017543942 A JP2017543942 A JP 2017543942A JP 2018513909 A JP2018513909 A JP 2018513909A
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- JP
- Japan
- Prior art keywords
- coating
- aluminum
- zinc
- thickness
- steel plate
- 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
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- 238000000576 coating method Methods 0.000 title claims abstract description 96
- 239000011248 coating agent Substances 0.000 title claims abstract description 95
- 239000011701 zinc Substances 0.000 title claims abstract description 80
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 79
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 89
- 239000010959 steel Substances 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 229910019142 PO4 Inorganic materials 0.000 claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 24
- 239000010452 phosphate Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 23
- 238000009713 electroplating Methods 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 239000011651 chromium Substances 0.000 claims description 13
- 229910000734 martensite Inorganic materials 0.000 claims description 13
- 239000010936 titanium Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 229910001563 bainite Inorganic materials 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 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 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910001566 austenite Inorganic materials 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000001540 jet deposition Methods 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 56
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 37
- 239000003973 paint Substances 0.000 description 22
- 239000011787 zinc oxide Substances 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000005238 degreasing Methods 0.000 description 12
- 238000000151 deposition Methods 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 230000008021 deposition Effects 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- 229960001763 zinc sulfate Drugs 0.000 description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001652 electrophoretic deposition Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HVTHJRMZXBWFNE-UHFFFAOYSA-J sodium zincate Chemical compound [OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Zn+2] HVTHJRMZXBWFNE-UHFFFAOYSA-J 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- 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
- B32B15/012—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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- 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
- B32B15/017—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of aluminium or an aluminium alloy, another layer being formed of an alloy based on a non ferrous metal other than aluminium
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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
- 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
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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
- 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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- C22C—ALLOYS
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
- C23C10/20—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions only one element being diffused
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Abstract
Description
− 「亜鉛被膜」は、主に亜鉛および場合により不純物を含む被膜を意味する。好ましくは、亜鉛被膜は、亜鉛および場合により不純物を含み、
− 「アルミニウム系被膜」は、50重量%を超える、好ましくは70重量%以上、より好ましくは85重量%以上、有利には88重量%以上の量のアルミニウムを重量組成で含む被膜を意味する。この被膜は、合金化されていてもよいし、合金化されていなくてもよく、
− 「リン酸塩結晶の被覆率」はパーセンテージで定義される。0%は部品の表面がリン酸塩結晶で全く覆われていないことを意味し、100%は部品の表面が完全に覆われていることを意味する。
0.20%≦C≦0.25%
0.15%≦Si≦0.35%
1.10%≦Mn≦1.40%
0%≦Cr≦0.30%
0%≦Mo≦0.35%
0%≦P≦0.025%
0%≦S≦0.005%
0.020%≦Ti≦0.060%
0.020%≦Al≦0.060%
0.002%≦B≦0.004%、
組成の残部は鉄および方法から生じる不可避的不純物である。
0.24%≦C≦0.38%
0.40%≦Mn≦3%
0.10%≦Si≦0.70%
0.015%≦Al≦0.070%
0%≦Cr≦2%
0.25%≦Ni≦2%
0.020%≦Ti≦0.10%
0%≦Nb≦0.060%
0.0005%≦B≦0.0040%
0.003%≦N≦0.010%
0.0001%≦S≦0.005%
0.0001%≦P≦0.025%
チタンおよび窒素の含有率は以下を満足し、
Ti/N>3.42
炭素、マンガン、クロムおよびケイ素の含有率は、以下を満足することが理解され、
0.040%≦C≦0.100%
0.80%≦Mn≦2.00%
0%≦Si≦0.30%
0%≦S≦0.005%
0%≦P≦0.030%
0.010%≦Al≦0.070%
0.015%≦Nb≦0.100%
0.030%≦Ti≦0.080%
0%≦N≦0.009%
0%≦Cu≦0.100%
0%≦Ni≦0.100%
0%≦Cr≦0.100%
0%≦Mo≦0.100%
0%≦Ca≦0.006%
組成の残部は鉄および方法から生じる不可避的不純物である。
− 電気泳動層:8μmから25μmの間、好ましくは20μm未満、
− プライマー塗料層:45μm未満、
− ベース塗料層:20μm未満、およびトップコート層:55μm未満。
特に、部品の表面の被膜率を評価することによって、プレス硬化部品上のリン酸塩結晶の分布を決定するために、リン酸塩処理性試験を使用する。
まず、一連の3つのサンプルを作成し、1、2および3とする。
別の一連のサンプルを作成し、4、5および6とする。
別の一連のサンプルを作成し、7、8および9とする。
プレス硬化された部品に堆積された電気泳動層の接着力を決定するために、この方法を使用する。
カッターを使用して塗装された部品に格子を作る。その後、部品から剥がれた塗料を肉眼で評価する。0は優良であること、即ち、塗料が剥がれなかったことを示し、5は非常に不良であること、即ち、塗料の65%超が剥がれたことを示す。結果を以下の表に示す。
最初に、塗装された部品を、50℃の温度で10日間密閉チャンバー内の脱塩水に浸漬する。次に、実施例2aに記載の格子を作成する。以下の結果が得られた。
腐食に対する耐性、特に塗装された部品の赤錆の存在を決定するために、この方法を使用する。
この方法を使用して、サンドイッチを形成するために結合された2つの鋼を分離するのに必要な力を決定する。これらの鋼を、未被覆または本発明に従って亜鉛が被覆されたUsibor(R) AluSi(R)鋼板から得る。
この方法を使用して、オーステナイト熱処理中に吸収される水素の量を決定する。
[実施例6a:溶接範囲]
この方法を使用して、サンプルに対する有効な溶接強度範囲、即ち、金属被膜からの金属の排出のような不都合もなくスポット溶接を行うことができる強度範囲を決定する。溶接範囲は、一般に、自動車製造業者の仕様書により1kAより大きいものとする。
この方法を使用し、スポット溶接の機械的特性を決定する。この目的のために、スポット溶接部に、それが破損するまで機械的応力を加える。
この方法を使用して、電極の耐用年数、即ち、電極があまりに劣化してスポット溶接の品質がもはや許容できなくなる前に、一対の電極を用いて行うことができるスポット溶接の回数を決定する。
Claims (21)
- 1.1μm以下の厚さを有する第2の亜鉛被膜をさらに含む、アルミニウム系被膜で被覆されたプレス硬化のための鋼板。
- 亜鉛被膜の厚さが、1.0μm以下である請求項1に記載の鋼板。
- 亜鉛被膜の厚さが、0.7μm以下である請求項2に記載の鋼板。
- アルミニウム系被膜は、3%までの鉄および9%から12%のケイ素を含み、残りはアルミニウムである請求項1から3のいずれか一項に記載の鋼板。
- 鋼板が少なくとも片面に、5μmから50μmの間の厚さを有するアルミニウム系被膜で被覆されている請求項1から4のいずれか一項に記載の鋼板。
- アルミニウム系被膜が、亜鉛被膜と直接接触している請求項1から5のいずれか一項に記載の鋼板。
- アルミニウム系被膜の厚さと亜鉛被膜の厚さとの和が、2から25の間である請求項1から6のいずれか一項に記載の鋼板。
- 0.20%≦C≦0.25%
0.15%≦Si≦0.35%
1.10%≦Mn≦1.40%
0%≦Cr≦0.30%
0%≦Mo≦0.35%
0%≦P≦0.025%
0%≦S≦0.005%
0.020%≦Ti≦0.060%
0.020%≦Al≦0.060%
0.002%≦B≦0.004%
の重量組成を有し、
組成の残部は鉄および方法から生じる不可避的不純物である請求項1から7のいずれか一項に記載の鋼板。 - 0.24%≦C≦0.38%
0.40%≦Mn≦3%
0.10%≦Si≦0.70%
0.015%≦Al≦0.070%
0%≦Cr≦2%
0.25%≦Ni≦2%
0.020%≦Ti≦0.10%
0%≦Nb≦0.060%
0.0005%≦B≦0.0040%
0.003%≦N≦0.010%
0.0001%≦S≦0.005%
0.0001%≦P≦0.025%
の重量組成を有し、
チタンおよび窒素の含有率は
Ti/N>3.42
を満足し、炭素、マンガン、クロムおよびケイ素の含有率は
0.05%≦Mo≦0.65%
0.001%≦W≦0.30%
0.0005%≦Ca≦0.005%
の1つ以上を含み、組成の残部は鉄および方法から生じる不可避的不純物である請求項1から7のいずれか一項に記載の鋼板。 - 亜鉛被膜が、セメンテーション、電気メッキ、または真空下での音波ジェット蒸着によって行われる請求項1から9のいずれか一項に記載の鋼板の作製方法。
- 亜鉛被膜が、セメンテーションまたは電気メッキによって堆積される場合、前記被膜はアルミニウム系被膜上に直接堆積される請求項10に記載の方法。
- セメンテーションによって堆積された亜鉛被膜が浸漬または噴霧によって行われる請求項11に記載の方法。
- 被覆が、真空下で音波ジェット蒸気によって堆積される場合、ステンレス鋼の薄層がアルミニウム系被膜と亜鉛被膜との間に堆積される請求項11に記載の方法。
- A) 請求項1から9のいずれか一項に記載のまたは請求項10から13のいずれか一項に記載の方法によって製造されたプレス硬化のための鋼板を準備する工程、
B) 工程A)で得られた鋼板を切断してブランクを得る工程、次いで
C) ブランクを840℃から950℃の範囲の温度T1で加熱して、鋼板中に完全なオーステナイト構造を得る工程、
D) 次いでブランクをプレスに移す工程、
E) ブランクをホットプレスして部品を得る工程、
F) 工程E)で得られた部品を冷却して、少なくとも75%の等軸鉄と、5%以上20%以下の量のマルテンサイトと、10%以下の量のベイナイトを含んでなる鋼板中にマルテンサイトまたはマルテンサイト−ベイナイト組織を得る工程
の逐次工程を含む、リン酸塩化可能な被膜で被覆されたプレス硬化部品の作製方法。 - 工程C)が、不活性雰囲気または空気を含む雰囲気中で3から12分の時間t1の間実施される請求項14に記載の方法。
- 工程E)の間に、600℃から830℃の範囲の温度T2でホットプレスが実施される請求項14または15に記載の方法。
- ZnO層を含み、追加のリン酸塩処理工程G)の後に得られた、ZnO層上のリン酸塩結晶層をさらに含む請求項14から16のいずれか一項に記載の方法によって得ることができる硬化部品。
- 部品の表面のリン酸塩結晶被覆率が、90%以上である請求項17に記載の硬化部品。
- 部品の表面のリン酸塩結晶被覆率が、99%以上である請求項18に記載の硬化部品。
- リン酸塩結晶層の上に電気泳動層をさらに含む請求項17から19のいずれか一項に記載の硬化部品。
- 自動車部品を製造するための、請求項14から16のいずれか一項に記載の方法によって製造された、請求項17から20のいずれか1項に記載のプレス硬化部品の使用。
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JP2022502573A (ja) * | 2018-10-04 | 2022-01-11 | アルセロールミタル | プレス焼入れ法 |
JP7253046B2 (ja) | 2018-10-04 | 2023-04-05 | アルセロールミタル | プレス焼入れ法 |
JP7301233B2 (ja) | 2019-12-05 | 2023-06-30 | ポスコホールディングス インコーポレーティッド | アルミニウム系合金めっき鋼板及びその製造方法 |
JP2023505161A (ja) * | 2019-12-05 | 2023-02-08 | ポスコホールディングス インコーポレーティッド | アルミニウム系合金めっき鋼板及びその製造方法 |
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JP7269526B2 (ja) | 2020-05-13 | 2023-05-09 | 日本製鉄株式会社 | ホットスタンプ用鋼板 |
JP7269524B2 (ja) | 2020-05-13 | 2023-05-09 | 日本製鉄株式会社 | ホットスタンプ部材 |
JP7269525B2 (ja) | 2020-05-13 | 2023-05-09 | 日本製鉄株式会社 | ホットスタンプ用鋼板 |
JPWO2021230306A1 (ja) * | 2020-05-13 | 2021-11-18 | ||
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WO2016132165A1 (fr) | 2016-08-25 |
KR20200027578A (ko) | 2020-03-12 |
JP6511155B2 (ja) | 2019-05-15 |
ZA201704918B (en) | 2019-05-29 |
KR102203043B1 (ko) | 2021-01-14 |
US20180044774A1 (en) | 2018-02-15 |
ES2707368T3 (es) | 2019-04-03 |
EP3259380B1 (fr) | 2018-10-24 |
BR112017016132B1 (pt) | 2021-06-29 |
RU2017132500A3 (ja) | 2019-03-19 |
BR112017016132A2 (pt) | 2018-04-17 |
CN107250414A (zh) | 2017-10-13 |
PL3259380T3 (pl) | 2019-04-30 |
RU2686164C2 (ru) | 2019-04-24 |
WO2016132194A1 (fr) | 2016-08-25 |
MX2017010574A (es) | 2017-11-16 |
KR20170116102A (ko) | 2017-10-18 |
UA117994C2 (uk) | 2018-10-25 |
EP3259380A1 (fr) | 2017-12-27 |
CA2977173A1 (fr) | 2016-08-25 |
HUE041821T2 (hu) | 2019-05-28 |
RU2017132500A (ru) | 2019-03-19 |
CA2977173C (fr) | 2019-07-02 |
CN107250414B (zh) | 2019-04-02 |
TR201900880T4 (tr) | 2019-02-21 |
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