TW539767B - Galvanized steel plate for use in vehicle body - Google Patents
Galvanized steel plate for use in vehicle body Download PDFInfo
- Publication number
- TW539767B TW539767B TW089121719A TW89121719A TW539767B TW 539767 B TW539767 B TW 539767B TW 089121719 A TW089121719 A TW 089121719A TW 89121719 A TW89121719 A TW 89121719A TW 539767 B TW539767 B TW 539767B
- Authority
- TW
- Taiwan
- Prior art keywords
- coating
- steel sheet
- patent application
- film
- zinc phosphate
- Prior art date
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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
- C23C22/05—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
- C23C22/22—Orthophosphates containing alkaline earth metal cations
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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
- C23C28/00—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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
- C23C28/3225—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only with at least one zinc-based layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—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
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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
- C23C22/34—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
- C23C22/362—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 also zinc cations
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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
- C23C22/73—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 characterised by the process
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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
- C23C28/00—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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
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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
- C23C28/00—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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/36—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including layers graded in composition or physical properties
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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.]
- Y10T428/12771—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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Treatment Of Metals (AREA)
- Laminated Bodies (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
539767 A7 B7 五、發明說明(1 ) 【發明之技術領域】 本發明主要係用於汽車車體之用途,詳細言之,係用 於汽車外板之兼具有耐蝕性、加工性之鋅系鍍鋼板的發明 (請先閱讀背面之注意事項再填寫本頁) 【先前技術】 經濟部智慧財產局員工消費合作社印製 一般用於汽車車體用途之鋼板,對耐蝕性與加工性之 要求已經逐漸趨向嚴苛。特別是有關耐蝕性方面,在稱爲 門緣部分之鋼板與鋼板之接合部分常會產生孔狀侵蝕等問 題,此部份因一般塗裝並未能附著,故常要求裸鋼板應具 有耐蝕性。爲改善此耐蝕性,一般係廣泛地使用鍍有2 0 至3 0 g/m 2之薄Ζ η - N i系合金,或於其上再加鍍鉻 合金被膜以形成有機被膜之鋼板。此鋼板雖具有充分之耐 蝕性、加工性,但因上層有機被膜具有絕緣層,故於電塗 裝時容易產生塗佈不均,而會產生不易得到具有均勻塗裝 外觀等問題。此外,亦會有使用高價鎳或,含有有害之6 價鉻等問題。又,亦有使用增加鍍量之純鍍鋅鋼板或,鋅 鐵合金鍍鋼板等,但一般而言,增加鍍量時雖可增加耐蝕 性但卻造成加工性惡化,因此欲取得具有高度平衡之兩性 能係極爲困難的。 爲解決上述問題,本發明者們先前提出了於鋅系鍍鋼 板或具有隣酸鋅系化成被膜之鋅系鍍鋼板上塗佈含有鱗酸 二氫鎂之水溶液後使其乾燥以形成被膜之方法。此方法中 ,雖可製得兼具良好耐鈾性、加工性等性能,但在考慮到 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公« ) · 4 - 539767 A7 __ B7 五、發明說明(2) (請先閱讀背面之注意事項再填寫本頁) 汽車外板用途時,並非最佳之被膜構造方式。即,作爲汽 車外板用途時,因外面與內面所要求之特性並不相同,如 前所述般,對於孔狀侵蝕需具有高度耐蝕性要求者主要爲 內側面,而外側面除耐蝕性外,更要求塗裝之適合性或耐 剝落性。本發明者們先前所提案之方法,雖具有充分之耐 孔狀侵蝕性,但依塗裝條件或使用環境之不同,其耐剝落 性並難謂充分。 【發明之目的】 本發明,即是以解決上述缺點,而提供一種具有高度 平衡之耐蝕性與加工性的最適合汽車外板用鋼板之被膜構 造爲目的。 【發明之內容】 經濟部智慧財產局員工消費合作社印製 本發明之主要內容,係提供一種可用於汽車車體之兩 面具有鍍膜的鍍鋅系鋼板,其特徵爲,相當於汽車車體外 部之面上具有磷酸鋅被膜,且相當於內部之面上則具有由 磷酸鋅被膜與含M g之磷酸鹽被膜所得之複合磷酸鹽被膜 。又,前記複合磷酸鹽被膜係含有2w t %以上之Mg, 且以具有〇 · 5 g/m2以上之附著量爲佳。 【發明之實施形態】 本發明所使用之鋅系鍍並未有特別之限定,純鍍鋅、 合金鍍等皆可以使用,其雖可得到良好的耐蝕性、加工改 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -5 - 經濟部智慧財產局員工消費合作社印製 539767 A7 B7 五、發明說明(3) 善等效果,但就製造之成本而言,以電鍍鋅、熔融鍍鋅、 合金化熔融鍍鋅等爲佳。又,單層鍍、多層鍍等皆可使用 ,又亦可於N i 、C u等預鍍層上再形成鍍鋅層亦可。 鍍鋅系鋼板之相當於內側面與相當於外側面上各自設 置有磷酸鋅被膜。鍍鋅系被膜上所形成之磷酸鋅被膜可使 用一般所使用者即可,例如可使用含有Ζ η離子、磷酸離 子等市售處理液以形成之被膜。磷酸鋅被膜之附著量一般 以0 · 3至2 g /m 2左右爲佳,低於下限時,則耐蝕性、 加工性並不充分,超過上限時,其熔接性極易惡化。磷酸 鋅處理一般係使用浸漬法或噴霧法處理,故無法使裏外側 之附著量產生差異性,又,使用相同附著量亦屬可行,例 如若可以對表裏側使用各別噴霧處理之方式控制表裏側之 附著量時,對於汽車外面所使用側面之附著量,以較用於 內面所使用之附著量爲低(例如,0 · 1至1 · 5 g /m 2 )者爲佳。外側面所使用之面,若其附著量爲0時,會造 成熔接性惡化或因表裏面摺動性之差異而使加工性惡化, 故最低應以具有0 . 1 g /m 2左右之附著量爲佳。 就耐蝕性、加工性之觀點而言,磷酸鋅被膜中,以再 含有1種或2種以上Ni 、Mn、Mg、Co、Ca、 C u、A 1爲佳,此時,以將磷酸鋅處理液中使用含有前 記金屬離子水浴處理即可。又,被覆於相當爲外側面之面 上的磷酸鋅被膜與被覆於相當爲內側面之面上的磷酸鋅被 膜,可爲相同之組成內容或不同之組成內容皆可。 相當於內側面之面上,該磷酸鋅被膜上可塗佈含有 丨丨:---7-----·裝--------訂---------^9. (請先閱讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -6 _ 經濟部智慧財產局員工消費合作社印製 539767 A7 ___ B7 五、發明說明() M g之磷酸鹽水溶液,在經乾燥後即可形成含有M g之碟 酸鹽被膜,或可於磷酸鋅被膜上,層合含有Mg之磷酸鹽 被膜以形成複合磷酸鹽被膜,而達到具有極佳之耐孔狀侵 蝕性能。塗佈含M g之磷酸水溶液乾燥被膜,僅限於要求 具有高度耐蝕性之汽車內側面所使用之面上,相當爲外側 之面上則不需要此處理,外側面若形成有上記被膜時,會 造成耐鑿切性惡化情形。形成於相當於內側面上之被膜, 以磷酸鋅被膜與含有M g之磷酸鹽水溶液之塗佈乾燥被膜 所得複合被膜之總量,以附著量爲0 · 5 g /m 2以上, M g爲2 w t %以上爲佳,此種情形下可得到良好的耐蝕 性。就加工性之觀點而言,複合磷酸鹽被膜總附著量之上 限以2 · 5 g /m 2以下爲佳。 含M g之磷酸鹽水溶液,例如以具有 M g ( Η 2 P〇4 ) 2組成之水溶液爲佳,就常用性而言, 以市售之重磷酸M g水溶液(例如米山化學工業公司製) 爲最佳。此些水溶液在使用滾筒塗覆器等塗佈單面(內面 )後,再予乾燥即可製得複合磷酸鹽被膜。 【實施例】 以下爲本發明之實施例,但本發明並不受下記實施例 所限定。 試料之調製(實施例1至5與比較例1至-3 _) 基材係使用電鍍鋅鋼板(板厚0 · ’測定量 30g/m2/單面),在進行表面處理(日本派克萊斯公 J ^-------------訂--------- (請先閱讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -7 - 539767 A7 B7 五、發明說明(5) (請先閱讀背面之注意事項再填寫本頁) 司製P 1 — Ζ η )後,使用日本派克萊斯公司製磷酸鋅處 理浴(Ζη離子〇·7g/l ,Ni離子2·Og/丄, 磷酸離子6·5g/l ,硝酸離子6g/l ,氟化物 0·2g/l)進行噴霧處理。磷酸鋅被膜之附著量係以 處理時間進行調整至表裏兩面皆達1 g /m 2爲止。鱗酸鋅 處理後,將稀釋至8 %的重隣酸M g之水溶液以滚筒塗覆 器分別塗佈於表裏兩側面,以將鋼板溫度升至1 1 〇它之 方式乾燥,隨後放冷。實施例1至5中,僅塗佈相當於內 側之板面上,比較例2、3則兩面皆予以塗佈。比較例1 則未有任何塗佈處理。重磷酸M g之塗佈乾燥被膜重量可 以控制滾筒塗覆器之迴轉數目之方式調整。對於塗佈有重 磷酸Mg之面上,則將複合磷酸鹽被膜之重量調整至表1 所示之數値。塗佈防鏽油(派克興產公司製諾克5 3 0 F 6 0 )並放置1日後,作爲評估之樣品。 試料之調製(實施例6至7 ) 經濟部智慧財產局員工消費合作社印製 於前記磷酸鋅處理浴中加入Mg濃度爲3 0 g/ 1之 硝酸M g溶液,隨後於兩側面上形成1 · 2 g /m 2之M g 量約爲4 w t %之含磷酸鋅被膜。除此以外,其他皆依前 記例示相同之方法進行處理,僅對相當於內側板面塗佈磷 酸Mg水溶液,並形成如表1附著量之複合磷酸鋅被膜。 評估方法 「複合磷酸鋅被膜之附著量」;將於相對面貼附有膠 布之4 0 m m 4樣品浸漬於鉻酸溶液後將被膜去除,將前 後之附著量差以定量方式算出。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -8 · A7
539767 五、發明說明(6 ) 複合磷酸鋅被膜中之M g %」:使用前記鉻酸溶液 作爲溶解液’以I C P分析方式將被膜中之M g量進行定 量’並算出M g。 「耐剝落性」;將7 Ο X 1 5 0 m m之樣品依序經鹼 去脂 '汽車用化成處理、汽車用3層塗裝(陽離子電塗裝 ’中間塗裝35μ,上層塗裝35//)之步驟後, 於冷卻至2 0 °C之狀態下,使用5 m m左右之石頭,以 5〇〇g/分鐘、3kgf/cm2之壓力於90°角度下 身寸& ’將塗膜凸起之部分以刀片去除後,總剝離面積以圖 像解析法算出(X:超過500mm2,△: 200〜 500 mm 2,〇:1〇〇 〜200mm2,©: 1〇〇 m m 2以下)。 「耐侵蝕性」:將樣品以市售之洗淨油洗淨後,進行 U型彎曲加工(樣品寬7 〇 m m,B H F = 1 t ο η,加 工高度=7 0 m m,彎曲部分沖模R = 5 m m,彎曲部分 凹模=3 m m,沖模R = 5 m m,凹模R = 5 m m,加工 速度=2 5 s p m ),將其側面(凹模側)切出,經去脂 後,將端面與內側面以膠布封住,隨後進行C C T試驗+。 經1 0次循環後觀察紅色鏽斑之發生狀態。^ ◎」:0 % ,「〇」:低於1 % ,「△」:1至1 0 % ,「X」: 1 0 %以上。 * C C T試驗條件:鹽水噴霧(5 % N a C 1 ,3 5 )6小時一乾燥(5 0 °C,4 5 % R Η ) 3小時—潤濕( 5 0 t,9 5 % R Η ) 1 4 小時—乾燥(5 0 °C,4 5 % (請先閱讀背面之注意事項再填寫本頁) -裝i_ -丨_丨訂·丨丨!-丨I - - 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -9- 539767 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(') R Η ) 1小時,爲1次循環。 「加工性」:以市售洗淨油洗淨後,使用萬能拉伸試 驗機測定其L D R (臨界拉伸比)。加壓條件爲B H F = 1 t ο η,沖模徑=4 〇 m m 0,又,將相當於內板之面 作爲沖模面。(X : LDR値〜2,△: 2 · 0〜2 · 2 ,〇:2·2 〜2·3,(§):2·3 〜) 表1係顯示測定之結果,於本發明規定以外之部分, 無論任何性能皆顯示出惡化之傾向。 [表1】 相當於外板 相當於內板 加工性 面之重磷酸 性能耐剝落 面之複合磷 Mg塗佈量 (g/m2) 性 酸鹽被膜量 (g/m2) Mg% 性能耐蝕性 實施例 1 0 ◎ 1.5 3.0 ◎ 〇 2 0 ◎ 2.0 4·5 ◎ 〇 3 0 ◎ 2.2 4.9 ◎ 〇 4 0 ◎ 1.2 1.5 〇 〇 5 0 ◎ 1.5 3.0 ◎ 〇 6 0 ◎ 1.4 4.7 ◎ ◎ 7 0 ◎ 1.4 4.7 ◎ ◎ 比較例 1 0 ◎ 1.0 0.0 X Δ 2 0.5 Δ 1.5 3.0 ◎ 〇 3 0.9 X 2.2 4.9 ◎ △ 試料之調製(實施例8至1 〇與[±較例4 ) 依先前實施例1至5相同之方法,施以附著量〇 · 5 g / m 2之磷酸鋅處理。隨後,將重磷酸M g水溶液稀釋至 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱)77(Γ--- ------:-----4^裝--------訂--------- (請先閱讀背面之注意事項再填寫本頁) 539767 A7 ------B7 五、發明說明(8 ) 8 %之液體以條狀塗覆機僅塗佈一側面(內面),使到達 (請先閱讀背面之注意事項再填寫本頁) 板溫度1 1 0 °C之方式使其乾燥後放冷,將塗佈量作各種 變更’以製作實施例8至1 0與比較例4之樣品。塗佈防 鏽油(派克興產公司製諾克5 3 0 F 6 0 )並放置1日後 ’作爲評估之樣品。 誌料之調製(實施例1 1至1 2與比較例5 ) 除將磷酸鋅被膜之附著量設定爲〇 · 2 g /m 2以外, 依前記之相同方法進行調製。 評估之方法亦與前記例示相同。 如表2所示結果,於外側面之耐剝落性上,皆顯示出 「◎」之良好效果,表中僅顯示出內側面之耐蝕效果。於 本發明規定條件以外之範圍,其耐蝕性皆不佳。 【表2】 相當於內板面之 複合磷酸鹽被膜 里 (g/m2) Mg% 性能耐鈾性 加工性 實施例 8 0.7 2.6 ◎ 〇 9 0.9 4.0 ◎ 〇 10 1.2 5.3 ◎ 〇 11 0.6 6.0 ◎ 〇 12 0.9 7.0 ◎ 〇 比較例 4 0.6 1.7 Δ 〇 5 0.4 4.5 X 〇 經濟部智慧財產局員工消費合作社印製 【發明之效果】 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) : 539767 A7 五、發明說明( 依本發明之內容’可製得使汽車外板用途中所尋求特 注具有局度平衡性之鍍鋅系鋼板。本發明之鋼板具有優良 的各種特性’又,不使用6價之鉻等有害物質,此外,製 造方法簡便且費用亦低廉,而極適合作爲汽車車體用鋼板 (請先閱讀背面之注意事項再填寫本頁) • 裝* —丨丨丨_訂---- 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -12-
Claims (1)
- 539767申請專利範 第89121719號專利申請案 中文申請專利範圍修正本 民國φ華1月月 正 1 · 一種汽車之車體用鍍鋅系鋼板,其爲汽車車體用 之兩面具有鍍膜的鍍鋅系.鋼板,其特徵爲,相當於汽車車 體外部之面上具有磷酸鋅被膜,且相當於內部之面上則具 有由磷酸鋅被膜與含M g之磷酸鹽被膜所得之複合磷酸鹽 被膜。 2 ·如申請專利範圍第1項之鋼板,其中,前記複合 磷酸鹽被膜係含有2 w t %以上之M g,且具有0 . 5 g / m 2以上之附著量。 3 .如申請專利範圍第1或2項之鋼板,其中,含 M g之磷酸鹽被膜係爲重磷酸μ g水溶液之塗佈乾燥被膜 (請先閱讀背面之注意事項再填寫本頁) 裝· 訂 經濟部智慧財產局員工消費合作社印製 4 ·如申請專利範圍第1或2項之鋼板,其中,磷酸 鋅被膜係含有1種或2種以上N i 、Μ η、M g、C 〇.、 C a、C u、A 1 者。 5 ·如申請專利範圍第3項之鋼板,其中,磷酸鋅被 膜係含有1種或2種以上N i 、Μ η、M g、C 〇、C a 、C u 、A 1 者。 本紙張尺度適用中國國家標準(CNS ) M規格(21 οχ297公釐)
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EP (1) | EP1234064B1 (zh) |
JP (1) | JP3872621B2 (zh) |
KR (1) | KR100652333B1 (zh) |
AU (1) | AU767115B2 (zh) |
CA (1) | CA2387967C (zh) |
DE (1) | DE60003331T2 (zh) |
ES (1) | ES2199871T3 (zh) |
TW (1) | TW539767B (zh) |
WO (1) | WO2001034874A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001131763A (ja) * | 1999-11-09 | 2001-05-15 | Nippon Steel Corp | 有機複合亜鉛系メッキ鋼板 |
JP4267213B2 (ja) * | 2001-03-27 | 2009-05-27 | 新日本製鐵株式会社 | 耐食性および色調に優れたリン酸亜鉛処理亜鉛系メッキ鋼板 |
US8485544B2 (en) | 2009-04-21 | 2013-07-16 | Great Dane Limited Partnership | Method and apparatus for making galvanized upper coupler assembly |
CA2842800C (en) | 2011-07-29 | 2016-09-06 | Nippon Steel & Sumitomo Metal Corporation | High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof |
ES2755414T3 (es) | 2011-07-29 | 2020-04-22 | Nippon Steel Corp | Lámina de acero de alta resistencia excelente en resistencia al impacto y método de fabricación de la misma, y lámina de acero galvanizado de alta resistencia y método de fabricación de la misma |
WO2013018739A1 (ja) | 2011-07-29 | 2013-02-07 | 新日鐵住金株式会社 | 曲げ性に優れた高強度亜鉛めっき鋼板およびその製造方法 |
TWI468534B (zh) | 2012-02-08 | 2015-01-11 | Nippon Steel & Sumitomo Metal Corp | 高強度冷軋鋼板及其製造方法 |
CA2881657A1 (en) | 2014-02-13 | 2015-08-13 | Wabash National, L.P. | Galvanized upper coupler assembly |
US9834264B2 (en) | 2014-12-29 | 2017-12-05 | Wabash National, L.P. | Upper coupler assembly |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3828676A1 (de) * | 1988-08-24 | 1990-03-01 | Metallgesellschaft Ag | Phosphatierverfahren |
DE69109928T2 (de) * | 1990-04-20 | 1996-02-08 | Sumitomo Metal Ind | Verbessertes, korrosionsbeständiges, oberflächenbeschichtetes Stahlblech. |
DE4440300A1 (de) * | 1994-11-11 | 1996-05-15 | Metallgesellschaft Ag | Verfahren zum Aufbringen von Phosphatüberzügen |
DE19808755A1 (de) | 1998-03-02 | 1999-09-09 | Henkel Kgaa | Schichtgewichtsteuerung bei Bandphosphatierung |
-
1999
- 1999-11-05 JP JP31500999A patent/JP3872621B2/ja not_active Expired - Fee Related
-
2000
- 2000-10-17 TW TW089121719A patent/TW539767B/zh not_active IP Right Cessation
- 2000-10-31 WO PCT/JP2000/007636 patent/WO2001034874A1/en active IP Right Grant
- 2000-10-31 US US10/129,382 patent/US6623868B1/en not_active Expired - Lifetime
- 2000-10-31 KR KR1020027005742A patent/KR100652333B1/ko active IP Right Grant
- 2000-10-31 EP EP00970213A patent/EP1234064B1/en not_active Expired - Lifetime
- 2000-10-31 CA CA002387967A patent/CA2387967C/en not_active Expired - Lifetime
- 2000-10-31 DE DE60003331T patent/DE60003331T2/de not_active Expired - Lifetime
- 2000-10-31 ES ES00970213T patent/ES2199871T3/es not_active Expired - Lifetime
- 2000-10-31 AU AU79638/00A patent/AU767115B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JP2001131762A (ja) | 2001-05-15 |
KR100652333B1 (ko) | 2006-11-29 |
EP1234064B1 (en) | 2003-06-11 |
CA2387967C (en) | 2006-12-12 |
ES2199871T3 (es) | 2004-03-01 |
WO2001034874A1 (en) | 2001-05-17 |
EP1234064A1 (en) | 2002-08-28 |
JP3872621B2 (ja) | 2007-01-24 |
DE60003331T2 (de) | 2004-04-29 |
AU7963800A (en) | 2001-06-06 |
CA2387967A1 (en) | 2001-05-17 |
DE60003331D1 (de) | 2003-07-17 |
AU767115B2 (en) | 2003-10-30 |
KR20020068529A (ko) | 2002-08-27 |
US6623868B1 (en) | 2003-09-23 |
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