JP4088069B2 - 加工性に優れたリン酸塩処理亜鉛系めっき鋼板およびその製造方法 - Google Patents
加工性に優れたリン酸塩処理亜鉛系めっき鋼板およびその製造方法 Download PDFInfo
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- JP4088069B2 JP4088069B2 JP2001515354A JP2001515354A JP4088069B2 JP 4088069 B2 JP4088069 B2 JP 4088069B2 JP 2001515354 A JP2001515354 A JP 2001515354A JP 2001515354 A JP2001515354 A JP 2001515354A JP 4088069 B2 JP4088069 B2 JP 4088069B2
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims description 65
- 229910019142 PO4 Inorganic materials 0.000 title claims description 54
- 239000010452 phosphate Substances 0.000 title claims description 54
- 229910001335 Galvanized steel Inorganic materials 0.000 title claims description 21
- 239000008397 galvanized steel Substances 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title description 6
- 239000013078 crystal Substances 0.000 claims description 52
- 239000011701 zinc Substances 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 229910052725 zinc Inorganic materials 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 claims description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 13
- 238000007746 phosphate conversion coating Methods 0.000 claims description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 11
- 238000002441 X-ray diffraction Methods 0.000 claims description 6
- 238000011282 treatment Methods 0.000 description 82
- 229910001425 magnesium ion Inorganic materials 0.000 description 25
- 150000002500 ions Chemical class 0.000 description 24
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 24
- 229910000165 zinc phosphate Inorganic materials 0.000 description 24
- 239000011248 coating agent Substances 0.000 description 22
- 238000000576 coating method Methods 0.000 description 22
- 239000011777 magnesium Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 21
- 239000011324 bead Substances 0.000 description 18
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 13
- 238000005259 measurement Methods 0.000 description 13
- -1 nitrate ions Chemical class 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 9
- 229910002651 NO3 Inorganic materials 0.000 description 9
- 229910052731 fluorine Inorganic materials 0.000 description 9
- 239000011737 fluorine Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 8
- 229910021645 metal ion Inorganic materials 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 229940085991 phosphate ion Drugs 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 4
- 230000012447 hatching Effects 0.000 description 4
- 238000009616 inductively coupled plasma Methods 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 3
- 239000004137 magnesium phosphate Substances 0.000 description 3
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 3
- 229960002261 magnesium phosphate Drugs 0.000 description 3
- 235000010994 magnesium phosphates Nutrition 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229910017813 Cu—Cr Inorganic materials 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 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
- 229910007567 Zn-Ni Inorganic materials 0.000 description 2
- 229910007614 Zn—Ni Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- XZTWHWHGBBCSMX-UHFFFAOYSA-J dimagnesium;phosphonato phosphate Chemical compound [Mg+2].[Mg+2].[O-]P([O-])(=O)OP([O-])([O-])=O XZTWHWHGBBCSMX-UHFFFAOYSA-J 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- QQFLQYOOQVLGTQ-UHFFFAOYSA-L magnesium;dihydrogen phosphate Chemical compound [Mg+2].OP(O)([O-])=O.OP(O)([O-])=O QQFLQYOOQVLGTQ-UHFFFAOYSA-L 0.000 description 1
- 229910000401 monomagnesium phosphate Inorganic materials 0.000 description 1
- 235000019785 monomagnesium phosphate Nutrition 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- 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
- 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
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
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- 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
- 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
- C23C22/07—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 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/10—Orthophosphates containing oxidants
-
- 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
- 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
- C23C22/07—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 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
-
- 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
- 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
- C23C22/34—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 containing fluorides or complex fluorides
- C23C22/36—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 containing fluorides or complex fluorides containing also phosphates
- C23C22/368—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 containing fluorides or complex fluorides containing also phosphates containing magnesium cations
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12556—Organic component
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12583—Component contains compound of adjacent metal
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12993—Surface feature [e.g., rough, mirror]
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Coating With Molten Metal (AREA)
Description
(1) 亜鉛系めっき鋼板の表面上にMnを含有せずMgを含有するリン酸塩処理皮膜を有し、該Mnを含有せずMgを含有するリン酸塩処理皮膜の結晶の長径/短径の平均比率が1.00以上2.90以下であることを特徴とする加工性に優れたリン酸塩処理亜鉛系めっき鋼板。
ここで、平均比率=SEM写真(×5000倍)で撮影した場合に見られる結晶中で、最も長径と短径の長さ比率が1.00に近いものと最も長径と短径の長さ比率が大きいものとの平均値。
(2) Mnを含有せずMgを含有するリン酸塩処理皮膜中にMgを10mg/m2以上含有することを特徴とする耐食性にも優れた(1)に記載のリン酸塩処理亜鉛系めっき鋼板。
(3) Mnを含有せずMgを含有するリン酸塩処理皮膜の付着量が、0.5g/m2〜3.0g/m2であることを特徴とする溶接性にも優れた(1)または(2)に記載のリン酸塩処理亜鉛系めっき鋼板。
(4) Mnを含有せずMgを含有するリン酸塩処理皮膜上に防錆油層を有することを特徴とする中間防錆性にも優れた(1)〜(3)のいずれか1項に記載のリン酸塩処理亜鉛めっき鋼板。
(5) 亜鉛系メッキ鋼板の表面上にMnを含有せずMgを含有するリン酸塩処理皮膜を有し、該リン酸塩処理皮膜が、CuKα線特性X線を用いたX線回折パターン測定において2θ=9.540°以上9.800°以下の最大ヒ゜ークの最高強度値(Ia)と2θ=19.200°以上19.660°以下の最大ヒ゜ークの最高強度値(Ib)の強度比(Ia/Ib)が3.0以上であることを特徴とする加工性に優れたリン酸塩処理亜鉛系メッキ鋼板。
(実施例)
以下に本発明の実施例を示すが、本発明は下記実施例に限定されるものではない。
素材;供試材としては、板厚0.7mm、r(ランクフォート゛値)=1.9の電気亜鉛めっき鋼板(目付量30g/m2(片面あたり))を用いた。
本素材(亜鉛めっき鋼板)を脱脂した後、市販のチタンコロイド系処理剤(日本パーカライジング(株)製PL−Zn)を使用して前処理を行った後、種々のリン酸亜鉛処理を行い、水洗して乾燥させた。
・処理液Aベース(実施例1〜6及び比較例1〜2)
ベース処理液としてリン酸塩処理浴A(リン酸イオン5g/l,Znイオン1g/l,Niイオン2g/l,Mgイオン0.5g/l,フッ素0.15g/l、硝酸イオン1g/l)を用い、処理浴温度を60℃としスプレー処理してリン酸塩処理し、水洗して乾燥させた(比較例1)。
ベース処理液としてリン酸塩処理浴B(リン酸イオン2.5g/l,Znイオン0.5g/l,Niイオン1g/l,Mgイオン0.25g/l,フッ素0.1g/l、硝酸イオン1g/l )を用い、処理浴温度を60℃としスプレー処理してリン酸塩処理し、水洗して乾燥させた(比較例3)。
処理液としてMgイオンを含まないリン酸塩処理浴C(リン酸イオン10g/l,Znイオン2.0g/l,Niイオン5g/l,フッ素0.2g/l、硝酸イオン1g/l )を用い、硝酸マグネシウムを金属イオン量で30g/l添加し、処理浴温度を60℃としスプレー処理してリン酸塩処理し、水洗して乾燥させた(実施例9)。本範囲においても良好な加工性を有する。
処理液としてMgイオンを含まないリン酸塩処理浴D(リン酸イオン20g/l,Znイオン4.0g/l,Niイオン1g/l,フッ素0.2g/l、硝酸イオン1g/l )を用い、硝酸マグネシウムを金属イオン量で60g/l添加し処理浴温度を60℃としスプレー処理してリン酸塩処理し、水洗して乾燥させた(実施例10)。本範囲においても良好な加工性を有する。
ベース処理液としてNi,Mgイオンを含まないリン酸塩処理浴E(リン酸イオン10g/l,Znイオン2.0g/l,フッ素0.2g/l、硝酸イオン1g/l )を用い、処理浴温度を60℃としスプレー処理してリン酸塩処理し、水洗して乾燥させた(比較例4、5)。
前述したAベース処理液にCoを添加し、リン酸塩処理浴F(リン酸イオン5g/l,Znイオン1g/l,Niイオン2g/l,Mgイオン0.5g/l,Coイオン2g/l,フッ素0.15g/l、硝酸イオン1g/l )を作製し、処理浴温度を60℃としスプレー処理してリン酸塩処理し、水洗して乾燥させた(比較例6)。
・処理液Gベース(実施例13,14及び比較例7,8)
ベース処理液としてZn,Mgを含まないリン酸塩処理浴G(リン酸イオン10g/l、フッ素0.2g/l、硝酸イオン1g/l )を作製した(G浴)。
(実施例15−18、比較材9−11)
本素材(亜鉛めっき鋼板)を脱脂した後、市販のチタンコロイド系処理剤(日本パーカライジング(株)製PL−Zn)を使用して前処理を行った後、実施例4、6と同様の方法を用いて、予めリン酸亜鉛皮膜を生成させた基材a(皮膜量0.6g/m2),基材b(皮膜量1.6g/m2)を作製した。
(1)長径と短径の平均比率測定;
・各素材を溶剤(n−ヘキサン)脱脂した後、SEM(日本電子製JSM−6400)により、任意の場所を鋼板表面から撮影(加速電圧15KV、倍率5000倍)し、平均比率測定を行った。
・各素材を溶剤(n−ヘキサン)脱脂した後、40mm丸形に打ち抜きXRD(X線回折装置)(理学電気製RINT−1500)により以下の条件で測定した。
ターゲット:Cu(Kα) 管電圧:40KV 管電流:200mA
測定面積:5mm×12mm 測定走査角度範囲:5〜40°
発散スリット:1° 受光スリット:0.6mm
Scan Step:0.02° ScanSpeed:4°/min
カウンター:シンチレーションカウンター
面法線:板面に対して垂直。
サンプルを30mm×300mmにせん断した後、洗浄油(RL55出光興産製)に浸漬、ロール絞りした後、連続でのUビード曲げ加工を行った。加工は、60トンクランクプレス機を用い、加工条件は、BHF=1ton、加工高さ=40mm、ビード部ポンチR=5mm、ビード部ダイスR=1mm、ポンチR=5mm、加工速度=25spm、である。評価は、連続成形可能回数で評価し、10回以上割れなく加工できるもののみ合格である。
サンプルを150mm×70mmにせん断した後、切断端面をシールし、腐食サイクル試験*を用いて裸耐食性調査を行った。評価は5サイクル後の赤錆発生面積率を画像解析により測定し行った。5サイクル後の赤錆発生面積率が1%以下のものを合格とした。
*腐食サイクル試験条件
塩水噴霧(6時間)→乾燥(3時間)→湿潤(14時間)→乾燥(1時間)
5%NaCl
35℃ 50℃-45%RH 50℃-95%RH 50℃-45%RH
を1サイクルとし、繰り返し。
サンプルを100mm×300mmにせん断した後、防錆油(Noxrust530F60ハ゜ーカー興産製)を塗油し、電元社製(ND70-24)を用いて、以下の条件*に設定し、予め、チリ発生電流値を測定し、チリ発生電流値から0.3KA下の電流値で、混合連続打点性を調査し、500打点後、ナゲット径3.6mm以上であれば合格とした。
*スポット溶接条件
電極:電極CF型(Cu-Cr)先端径5mm、水量:3L/min、加圧力:200kgf
シーケンス:Sq.Time 60cyc、UpSlope 1cyc、WeldTime 13cyc、Ho.Time 2cyc
混合連続打点方法:
試験材(25打点)→10秒休止→冷延鋼板(25打点)→10秒休止の繰り返しで500打点
1)リン酸亜鉛処理皮膜の皮膜量は、下記に示す方法で測定した。
Claims (5)
- 亜鉛系めっき鋼板の表面上にMnを含有せずMgを含有するリン酸塩処理皮膜を有し、該Mnを含有せずMgを含有するリン酸塩処理皮膜の結晶の長径/短径の平均比率が1.00以上2.90以下であることを特徴とする加工性に優れたリン酸塩処理亜鉛系めっき鋼板。
ここで、平均比率=SEM写真(×5000倍)で撮影した場合に見られる結晶中で、最も長径と短径の長さ比率が1.00に近いものと最も長径と短径の長さ比率が大きいものとの平均値。 - Mnを含有せずMgを含有するリン酸塩処理皮膜中にMgを10mg/m2以上含有することを特徴とする耐食性にも優れた請求項1に記載のリン酸塩処理亜鉛系めっき鋼板。
- Mnを含有せずMgを含有するリン酸塩処理皮膜の付着量が、0.5g/m2〜3.0g/m2であることを特徴とする溶接性にも優れた請求項1または2に記載のリン酸塩処理亜鉛系めっき鋼板。
- Mnを含有せずMgを含有するリン酸塩処理皮膜上に防錆油層を有することを特徴とする中間防錆性にも優れた請求項1〜3のいずれか1項に記載のリン酸塩処理亜鉛めっき鋼板。
- 亜鉛系メッキ鋼板の表面上にMnを含有せずMgを含有するリン酸塩処理皮膜を有し、該リン酸塩処理皮膜が、CuKα線特性X線を用いたX線回折パターン測定において2θ=9.540°以上9.800°以下の最大ヒ゜ークの最高強度値(Ia)と2θ=19.200°以上19.660°以下の最大ヒ゜ークの最高強度値(Ib)の強度比(Ia/Ib)が3.0以上であることを特徴とする加工性に優れたリン酸塩処理亜鉛系メッキ鋼板。
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JP2002212702A (ja) * | 2001-01-19 | 2002-07-31 | Oriental Engineering Co Ltd | 浸炭方法及び浸炭装置 |
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EP1067212A1 (en) * | 1999-07-08 | 2001-01-10 | Kawasaki Steel Corporation | Perforative corrosion resistant galvanized steel sheet |
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JPH01152281A (ja) * | 1987-10-21 | 1989-06-14 | Metallges Ag | リン酸塩皮膜の形成方法 |
JPH07138764A (ja) * | 1993-11-11 | 1995-05-30 | Nippon Parkerizing Co Ltd | 高速プレス成形性に優れた亜鉛含有金属めっき鋼板複合体 |
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WO2001011110A1 (fr) | 2001-02-15 |
BRPI0013046B1 (pt) | 2016-11-16 |
EP1223233B1 (en) | 2007-03-14 |
DE60033950T2 (de) | 2007-12-06 |
KR20020040769A (ko) | 2002-05-30 |
EP1223233A1 (en) | 2002-07-17 |
DE60033950D1 (de) | 2007-04-26 |
KR100665467B1 (ko) | 2007-01-04 |
AU768532B2 (en) | 2003-12-18 |
US6753095B1 (en) | 2004-06-22 |
CA2381561A1 (en) | 2001-02-15 |
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