JP2016503128A - ZnAlコーティングおよび最適化された拭きつけを用いて金属シートを製造するための方法、対応する金属シート、部品および車両 - Google Patents
ZnAlコーティングおよび最適化された拭きつけを用いて金属シートを製造するための方法、対応する金属シート、部品および車両 Download PDFInfo
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- JP2016503128A JP2016503128A JP2015552195A JP2015552195A JP2016503128A JP 2016503128 A JP2016503128 A JP 2016503128A JP 2015552195 A JP2015552195 A JP 2015552195A JP 2015552195 A JP2015552195 A JP 2015552195A JP 2016503128 A JP2016503128 A JP 2016503128A
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- coating
- metal sheet
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 96
- 239000002184 metal Substances 0.000 title claims abstract description 96
- 239000011248 coating agent Substances 0.000 title claims description 78
- 238000000576 coating method Methods 0.000 title claims description 78
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 28
- 239000003973 paint Substances 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 238000005097 cold rolling Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 230000001143 conditioned effect Effects 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 19
- 239000011701 zinc Substances 0.000 description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 11
- 229910052725 zinc Inorganic materials 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 239000002987 primer (paints) Substances 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 239000002966 varnish Substances 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000003618 dip coating Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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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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- 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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- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Metal Rolling (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Paper (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Heat Treatment Of Steel (AREA)
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Abstract
Description
−基材を提供するための工程、
−金属シートを得るために、浴に基材を浸すことによって、少なくとも1つの面の上に金属コーティングを堆積させるための工程、
−少なくとも1つの出口を介して突出する少なくとも1つのノズルを用い、金属コーティングに拭きつけるためのガスを、金属シートをノズルの前側に走行させ、拭きつけガスは、主要な放出方向に沿ってノズルから放出される、金属コーティングに拭きつけるための工程、
−金属コーティングを固化させるための工程を含む、方法に関する。
電気泳動層:15μmから25μm、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
ワニス層:55μm未満。
体積分率fO 2 の影響
この実施例で行われる試験は、観察する式(A)および/または(B)、またはさらに(C)および/または(D)の良い影響を示すことを目的とする。
平滑な作業ロールを用いた冷間圧延の影響
この実施例で行われる試験は、作業表面がより粗いEDT作業ロールを用いて行われる圧延と比較したとき、平滑な作業ロールを用いて行われる冷間圧延の良い影響を示すことを目的とする。
スキンパスの影響
この実施例で行われる試験は、作業表面が特定の粗さRa2.5を有する作業ロールを用いることによって行われるスキンパスの良い影響を確保することを目的とする。
Claims (18)
- 鋼鉄基材(3)を含む金属シート(1)を製造するための方法であって、この少なくとも1つの面(5)が、Alを含む金属コーティング(7)でコーティングされており、金属コーティング(7)の残りは、Zn、避けられない不純物および場合によりSi、Sb、Pb、Ti、Ca、Mn、Sn、La、Ce、Cr、ZrまたはBiから選択される1つ以上のさらなる元素であり、金属コーティング(7)中のそれぞれのさらなる元素の重量含有量は、0.3%未満であり、金属コーティング(7)は、アルミニウムの重量含有量が、0.2%から0.7%であり、この方法は、少なくとも以下の工程:
−基材(3)を提供するための工程、
−金属シート(1)を得るために、浴に基材(3)を浸すことによって、少なくとも1つの面(5)の上に金属コーティング(7)を堆積させるための工程、
−少なくとも1つの出口(25)を介して突出する少なくとも1つのノズル(17)を用い、金属コーティング(7)の上に拭きつけガスを拭きつけ、金属シート(1)をノズルの前側に走行させ、拭きつけガスは、主要な放出方向(E)に沿ってノズル(17)から放出される、金属コーティング(7)に拭きつけるための工程、
−金属コーティング(7)を固化させるための工程、を含み、
−固化させた後、および任意のスキンパス操作の前に、金属コーティング(7)の外側表面(21)は、うねりWa0.8が0.55μm以下であり、
以下の少なくとも1つが実証される方法:
Zは、主要な放出方向(E)に沿った金属シート(1)とノズル(17)との間の距離であり、Zは、mmで表現され、
dは、ノズル(17)の前側での金属シート(1)の走行方向(S)に沿ったノズル(17)の出口(25)の平均高さであり、dは、mmで表現され、
Vは、ノズル(17)の前側での金属シート(1)の走行速度であり、Vは、m・s−1で表現され、
Pは、ノズル(17)内の拭きつけガスの圧力であり、Pは、N・m−2で表現され、
fO2は、拭きつけガス中の酸素の体積分率である、方法。 - 固化させた後、および任意のスキンパス操作の前に、金属コーティング(7)の外側表面のうねりWa0.8は、0.35μm以下である、請求項1に記載の方法。
- 方法は、堆積工程の前に、金属シート(1)を冷間圧延するための工程を含み、少なくとも最後の通過が、作業表面が0.5μm以下の粗さRa2.5を有するために、調整されているが、エッチングされていない作業ロールを用いて達成される、請求項1または2に記載の方法。
- EDT作業ロールを用いた金属シート(1)のスキンパスのための工程を含み、この作業表面は、2.05μmから2.95μmの粗さRa2.5を有する、請求項1から3のいずれか一項に記載の方法。
- EBT作業ロールを用いた金属シート(1)のスキンパスのための工程を含み、この作業表面は、2.90μmから4.10μmの粗さRa2.5を有する、請求項1から3のいずれか一項に記載の方法。
- 金属コーティング(7)は、アルミニウムの重量含有量が0.6%以下である、請求項1から6のいずれか一項に記載の方法。
- 金属コーティング(7)は、アルミニウムの重量含有量が0.5%以下である、請求項7に記載の方法。
- 請求項1から8のいずれか一項に記載の方法に従って得られてもよい、金属シート(1)であって、金属シート(1)は、鋼鉄基材(3)を含み、この少なくとも1つの面(5)が、Alを含む金属コーティング(7)でコーティングされており、金属コーティング(7)の残りは、Zn、避けられない不純物および場合によりSi、Sb、Pb、Ti、Ca、Mn、Sn、La、Ce、Cr、ZrまたはBiから選択される1つ以上のさらなる元素であり、金属コーティング(7)中のそれぞれのさらなる元素の重量含有量は、0.3%未満であり、金属コーティング(7)は、アルミニウムの重量含有量が、0.2%から0.7%であり、金属コーティング(7)の外側表面は、任意のスキンパス操作の前に、うねりWa0.8が0.35μm以下である、金属シート(1)。
- 金属コーティング(7)は、アルミニウムの重量含有量が、0.6%以下である、請求項9に記載の金属シート。
- 金属コーティング(7)は、アルミニウムの重量含有量が、0.5%以下である、請求項10に記載の金属シート。
- 金属コーティングの外側表面は、0.43μm以下のうねりWa0.8を有する、請求項9から11のいずれか一項に記載の金属シートの変形によって得られる部品。
- 金属コーティングの外側表面は、うねりWa0.8が0.41μm以下である、請求項12に記載の部品。
- 金属コーティングの外側表面は、うねりWa0.8が0.37μm以下である、請求項13に記載の部品。
- 部品は、金属コーティング(7)の上に塗料の膜をさらに含む、請求項12から14のいずれか一項に記載の部品。
- 塗料の膜の厚みは、120μm以下である、請求項15に記載の部品。
- 塗料の膜の厚みは、100μm以下である、請求項16に記載の部品。
- 本体を備え、本体が、請求項12から17のいずれか一項に記載の部品を含む、陸上車両。
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FRPCT/FR2013/050479 | 2013-03-06 | ||
PCT/IB2014/058879 WO2014135999A1 (fr) | 2013-03-06 | 2014-02-10 | PROCÉDÉ DE RÉALISATION D'UNE TÔLE À REVÊTEMENT ZnAl AVEC UN ESSORAGE OPTIMISÉ, TÔLE, PIÈCE ET VÉHICULE CORRESPONDANTS |
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