JP2012087417A - 亜鉛系めっき鋼板 - Google Patents
亜鉛系めっき鋼板 Download PDFInfo
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- JP2012087417A JP2012087417A JP2012022614A JP2012022614A JP2012087417A JP 2012087417 A JP2012087417 A JP 2012087417A JP 2012022614 A JP2012022614 A JP 2012022614A JP 2012022614 A JP2012022614 A JP 2012022614A JP 2012087417 A JP2012087417 A JP 2012087417A
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- steel sheet
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- oxide layer
- galvanized steel
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- 229910001335 Galvanized steel Inorganic materials 0.000 title abstract description 29
- 239000008397 galvanized steel Substances 0.000 title abstract description 29
- 238000007747 plating Methods 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 64
- 239000010959 steel Substances 0.000 claims description 64
- 239000011701 zinc Substances 0.000 claims description 27
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 17
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 238000000465 moulding Methods 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 37
- 239000010408 film Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 23
- 238000012360 testing method Methods 0.000 description 20
- 238000007254 oxidation reaction Methods 0.000 description 16
- 230000003647 oxidation Effects 0.000 description 15
- 239000011324 bead Substances 0.000 description 14
- 238000005259 measurement Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 238000005275 alloying Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 229910001297 Zn alloy Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- RZLVQBNCHSJZPX-UHFFFAOYSA-L zinc sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O RZLVQBNCHSJZPX-UHFFFAOYSA-L 0.000 description 3
- 101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000002233 thin-film X-ray diffraction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 229910007542 Zn OH Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 238000004876 x-ray fluorescence Methods 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
【解決手段】めっき表面に結晶性の3Zn(OH)2・ZnSO4・xH2Oを有する酸化物層が形成され、該酸化物層の厚さが10nm以上である。結晶性の酸化物層が3Zn(OH)2・ZnSO4・3〜5H2Oである。
【選択図】なし
Description
(1)めっき表面に結晶性の3Zn(OH)2・ZnSO4・xH2Oを有する酸化物層が形成され、該酸化物層の厚さが10nm以上であることを特徴とする亜鉛系めっき鋼板である。
(2) (1)において、結晶性の酸化物層が3Zn(OH)2・ZnSO4・3〜5H2Oであることを特徴とする亜鉛系めっき鋼板である。
プレス成形性を評価するために、各供試材の摩擦係数を以下のようにして測定した。
図1は、摩擦係数測定装置を示す概略正面図である。同図に示すように、供試材から採取した摩擦係数測定用試料1が試料台2に固定され、試料台2は、水平移動可能なスライドテーブル3の上面に固定されている。スライドテーブル3の下面には、これに接したローラ4を有する上下動可能なスライドテーブル支持台5が設けられ、これを押上げることにより、ビード6による摩擦係数測定用試料1への押付荷重Nを測定するための第1ロードセル7が、スライドテーブル支持台5に取付けられている。上記押付力を作用させた状態でスライドテーブル3を水平方向へ移動させるための摺動抵抗力Fを測定するための第2ロードセル8が、スライドテーブル3の一方の端部に取付けられている。なお、潤滑油として、スギムラ化学社製のプレス用洗浄油プレトン(登録商標)R352Lを試料1の表面に塗布して試験を行った。
[条件1]
図2に示すビードを用い、押し付け荷重N:400kgf、試料の引き抜き速度(スライドテーブル3の水平移動速度):100cm/minとした。
[条件2]
図2に示すビードを用い、押し付け荷重N:400kgf、試料の引き抜き速度(スライドテーブル3の水平移動速度):20cm/minとした。
供試材とビードとの間の摩擦係数μは、式:μ=F/Nで算出した。
酸化物層の厚さの測定には蛍光X線分析装置を使用した。測定時の管球の電圧および電流は30kVおよび100mAとし、分光結晶はTAPに設定してO−Kα線を検出した。O−Kα線の測定に際しては、そのピーク位置に加えてバックグラウンド位置での強度も測定し、O−Kα線の正味の強度が算出できるようにした。なお、ピーク位置およびバックグラウンド位置での積分時間は、それぞれ20秒とした。
薄膜X線回折法により結晶性の3Zn(OH)2・ZnSO4・3〜5H2Oの存在を確認した。Cu−Kα線を用い入射角度を0.5°に設定して薄膜法によりX線回折図形を測定した。回折角度(2θ)が約8°から約12°の間に3Zn(OH)2・ZnSO4・3〜5H2Oの各結晶構造に対応する回折ピークが現われる。
圧延方向と90°の方向を長手方向(引張方向)とするJIS Z2201の5号試験片を用い、JIS Z2241に準拠した引張試験を行い評価した。
実施例1に記載した方法で下記条件3で各供試材の摩擦係数を測定した。
[条件3]
図3に示すビードを用い、押し付け荷重N:400kgf、試料の引き抜き速度(スライドテーブル3の水平移動速度):20cm/minとした。供試材とビードとの間の摩擦係数μは、式:μ=F/Nで算出した。
200mm×200mmの供試材に対してφ150mmのパンチ(ダイス径:φ153mm)を使用して球頭張出し試験を行い、供試材に破断が生じた際の最大成形高さを測定した。この時、供試材の流入を抑制する目的で100tonのしわ押え力をかけ、供試材に潤滑油としてスギムラ化学社製のプレス用洗浄油プレトン(登録商標)R352Lを塗布した。
2 試料台
3 スライドテーブル
4 ローラ
5 スライドテーブル支持台
6 ビード
7 第1ロードセル
8 第2ロードセル
9 レール
N 押付荷重
F 摺動抵抗力
P 引張荷重
Claims (2)
- めっき表面に結晶性の3Zn(OH)2・ZnSO4・xH2Oを有する酸化物層が形成され、該酸化物層の厚さが10nm以上であることを特徴とする亜鉛系めっき鋼板。
- 結晶性の酸化物層が3Zn(OH)2・ZnSO4・3〜5H2Oであることを特徴とする請求項1に記載の亜鉛系めっき鋼板。
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TW200925320A (en) | 2009-06-16 |
KR20120034128A (ko) | 2012-04-09 |
TWI398550B (zh) | 2013-06-11 |
KR101266713B1 (ko) | 2013-05-28 |
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CA2784174C (en) | 2013-07-30 |
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CN102321885A (zh) | 2012-01-18 |
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US20100255341A1 (en) | 2010-10-07 |
USRE45821E1 (en) | 2015-12-22 |
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