TWI249590B - Corrosion-resistant Al-based structural member and method for producing the same - Google Patents
Corrosion-resistant Al-based structural member and method for producing the same Download PDFInfo
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- TWI249590B TWI249590B TW093104083A TW93104083A TWI249590B TW I249590 B TWI249590 B TW I249590B TW 093104083 A TW093104083 A TW 093104083A TW 93104083 A TW93104083 A TW 93104083A TW I249590 B TWI249590 B TW I249590B
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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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
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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
- 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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- 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
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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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
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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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Description
1249590 玖、發明說明: 【發明所屬之技術領域】 發明領域 本發明係有關一種耐钱性A1系構造構件及其製造方 5法。在此,於A1系構造構件中,包含由純A1形成之構造構 件及由A1合金形成之構造構件兩者。 I:先前技術3 背景技術 迄今,此種A1系構造構件具有由鉻酸鹽皮膜形成之防 1〇蝕皮膜(例如,參照日本公開公報60-35432號)是已知的。 然而,由於習知鉻酸鹽皮膜使用含有Cr〇3為處理液之 主成分,因而形成物中含有6價&。眾所皆知,由於6價〇 是對人體有害之元素,因此在公害防止上,以不含有6價& 之防蝕皮膜為佳。 15 【發明内容】 發明概要 本七明之目@,係提供一種具有不含6價鉻酸鹽之無公 σ防餘皮膜之前述财餘性A1系構造構件。 2〇 為了達成所述目的,本發明提供-種耐钱性Α1系構造 構件4耐餘性八!系構造構件係具有密接於…系構造構件 由Ζ底層與㊉接於該底層之防*皮膜,又,前述底層係 V成又,岫述防蝕皮膜係由含有3價Cr鉻酸鹽皮膜形 成者。 、’述防蝕皮膜由於具有優異耐蝕性且不含有對人體有 1249590 害之6價Cr,因而在防止公害上是有益的。又,含有3^cr 之Zn用鉻酸鹽皮膜並不會直接密接於A1系構造構件表面, 而是對由Zn形成之底層,即,對Ζιυ£層表面發揮充分的密 接性。此外,使用習知鋅酸鹽處理等,可輕易地在Μ系構 5 造構件表面密接形成Ζη底層。 又,本發明之目的健供可輕_量“述構造之对 蝕性Α1系構造構件之前述製造方法。 為了達成前述目的,本發明提供一種耐蝕性Μ系構造 構件之製造方法,該方法係利用在⑽構造構件表面,藉 10由鋅酸鹽處理,形成由Ζη所形成之底層,即,形成zn底層 之程序,與在該Ζη底層表面,藉由使用有3價鉻酸鹽之絡酸 鹽處理,形成由含有3價Cr之Ζη鉻酸鹽皮膜所形成之防蝕皮 膜之程序。 利用前述製造方法’可輕易且確實地獲得前述構造之 15 A1系構造構件。又,鋅酸鹽處理及鉻酸鹽處理,由於可同 時以浸潰法來進行,故兩處理可進行線上生產程序以提高 生產性。 鋅酸鹽處理所需時間“係設定為增加在A1系構造構件 表面Ζη析出量,可得到Ζη底層所需厚度之值,例如,ti$ 20 3〇s。另一方面,鉻酸鹽處理所需時間。係設定為儘管因鉻 酸鹽處理溶解Ζη底層,亦在確保該zn底層厚度後,在該Zn 底層表面可確實地形成含有3價Cr之Ζη用鉻酸鹽皮膜之 值,例如,t2‘ 15s。但在鋅酸鹽處理的處理時間為“,且“ < 30s,Ζη底層厚度對鉻酸鹽處理是不充分的,另一方面, !24959〇 當路酸鹽處理的處理時間t2, t2>15s則會進行zn底層溶 解,故有A1系構造構件表面露出之虞。 圖式簡單說明 第1圖係耐蝕性A1合金製氣化器主體正面圖,第2圖係 5耐餘性A1合金製氣化器主體之要部擴大截面圖。 【實施方式】 較佳實施例之詳細說明 、第1圖顯示作為耐蝕性A1系構造構件且由八丨合金所形 成之耐钱性氣化為、主體i。該耐餘性氣化器主體1係如第2圖 10所*,在使用JIS ADC12it藉由壓鑄所得之氣化器主· 未防歸面,設置與其密接之底層2與密接於該底層2表面 之防钱皮膜3。底層2係由Zn形成,另一方面,防餘皮膜3 係由含有3價Cr之Zn用鉻酸鹽皮膜所形成者。 該防蝕皮膜3,具有優異耐蝕性並不含對人體有害之6 u價cr,因而在防止公害上是有益的。又,含有3般之仏 用鉻酸鹽皮膜,並非直接密接於由A1合金所形成之氣化器 主體1〇表面,而是對由Zn所形成之底層,即,對Zn底層2 表面充分發揮密接性。更,使用習知鋅酸鹽處理,可輕易 地在由A1合金所形成氣化器主體丨❶表面密接形成211底層2。 2〇 耐蝕性氣化器主體丨❹的製造係首先對壓鑄後氣化器主 體1〇依序進行習知的前處理,即,漂白、脫脂、水洗、活 性化、水洗及漂白。接著,在前處理後的氣化器主體1〇表 面依序進行藉由鋅酸鹽處理而形成Zn底層2程序、水洗程 序、在前述Zn底層2表面,藉由使用有3價鉻酸鹽之鉻酸鹽 1249590 處理形成由3價Cr之Zn用鉻酸鹽皮膜所形成之防蝕皮膜程 序、水洗程序、乾燥程序等。 利用前述製造方法,可輕易且確實地得到前述構造之 耐蝕性氣化器主體。又,由於鋅酸鹽處理及鉻酸鹽處理可 5同時使用浸潰法進行,故兩處理可進行線上生產程序以提 高生產性。 鋅酸鹽處理所需時間U係設定為增加在氣化器主體、 表面Zn析出量,可得到Zn底層2所需厚度之值,例如,ti-30s。另一方面,鉻酸鹽處理所需時間。係設定為儘管因鉻 10酸鹽處理溶解Zn底層,在可確保Zn底層厚度後,在該211底 層表面確實地形成含有3價Cr之Zn用鉻酸鹽皮膜之值,例 如,15s 〇 [實施例] 以Zn取代液(商品名:κ-102,日本Kanigen社製)作為 15鋅酸鹽處理液主成分。該辞取代液含有18.6wt%NaOH、 3.1wt%ZnO、7.8wt%有機酸及微量添加劑。將該溶液濃度 調製成220mL/L,以作為辞酸鹽處理液。 又,以3價鉻酸鹽溶劑(商品名:dips〇1_ZT_444A,液狀, D1PS01社製)作為鉻酸鹽處理液主成分。該3價〇鉻酸鹽溶劑 20 係由 14〜16wt%(Cr3+ : 4)硝酸鉻[Cr(N〇3)3 . 9H2〇]、2〜4加% 確酸钻[Co(N03)2]及殘留部普通物形成,且該等為既有之化 學物質。將該溶液濃度調製成6〇mL/L,以作為絡酸鹽處理 液。
預備複數個與前述同樣之A1合金製氣化器主體(JIS 1249590 ADC12聯機品)ι〇,並進行與前述相同的前處理。接著,依 序進行使用30°C前述鋅酸鹽處理液並改變處理時間。形成
Zn底層2水洗、使用3〇。〇鉻酸鹽處理液並改變處理時間h 升y成防蝕皮膜、水洗及乾燥,以得到各種耐蝕性氣化器主 5 體1。 對6亥等耐蝕性氣化器主體進行鹽水喷霧試驗,以求出 從試驗開始經過48小時後之白色生成物(A1合金腐钱而成 的生成物)面積率A,gp,A=(白色生成物面積緣化器主體 〜表面積)xl〇〇A。弟1表係顯示有關耐钱性氣化器主體1第 10 1 6例之鋅酸鹽處理時間h、鉻酸鹽處理的處理時間t2及白 色生成物的面積率A。 【第1表】 器主體 酸鹽里時3 ti(s) i酸鹽處間 t2(S) 白色生成物 面積率A(%)
由第1表可清楚地知道,如例i、2中均分別將鋅酸鹽處 15 =的處理時間tl設定在ti^3〇s,並將鋅酸鹽處理的時間^設 疋在t2S 15s,即可得到具有優異耐餘性之^合金製氣化器 与。在第3〜5例的情形下可判斷儘管鋅酸鹽處理的處理時 ^係^15S,,底層2厚度會較薄,但由於鋅酸鹽處理 的處理時間 t2*t2= 15s<t2 = 3〇< h曰 2〜50,因此氣化器主體 又面路出量仍會依例3、例4、例5之 順序惡化。 川之順序增加,並且依此 20 1249590 A1系構造構件不限於A1合金製氣化器主體,且可包含 由A1合金所形成之節氣閥、電磁閥主體、壓縮器機座等, 也可含有由純A1所形成之構造構件。 【圖式簡單說明3 5 第1圖係耐蝕性A1合金製氣化器主體正面圖,第2圖係 耐蝕性A1合金製氣化器主體之要部擴大截面圖。 【圖式之主要元件代表符號表】 1、10…氣化器主體 2…底層 3…防蝕皮膜
10
Claims (1)
1249590 拾、申請專利範圍: 1. 一種耐蝕性A1系構造構件,係具有密接於A1系構造構 件表面之底層與密接於該底層表面之防蝕皮膜,又,前 述底層係由Zn形成’前述防餘皮膜係由含有3價Cr 5 之Zn用鉻酸鹽皮膜所形成者。 2. —種耐蝕性A1系構造構件之製造方法,係使用於A1 系構造構件表面,藉由鋅酸鹽處理形成由Zn所形成之 底層之程序,與於該底層表面,藉由使用3價鉻酸鹽形 成由含有3價Cr之Zn用鉻酸鹽皮膜所形成之防蝕皮膜 10 之程序。 3. 如申請專利範圍第2項之耐蝕性A1系構造構件之製造 方法,其中前述辞酸鹽處理所需時間“係設定為增加前 述A1系構造構件表面之Zn析出量,可得到由Zn形成 前述底層所需厚度之值,又,前述鉻酸鹽處理所需時間 15 t2係設定為儘管因該鉻酸鹽處理溶解前述底層,亦可確 保底層厚度後於該底層表面確實地形成含有3價之前 述Zn用鉻酸鹽皮膜之值。 4. 如申請專利範圍第3項之耐蝕性A1系構造構件之製造 方法,其中前述鋅酸鹽處理所需時間為U,且30s, 20 又,前述鉻酸鹽處理所需時間為t2,且t2S 15s。 11
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JP2002234965A JP2004076041A (ja) | 2002-08-12 | 2002-08-12 | 耐食性Al系構造部材およびその製造方法 |
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TWI249590B true TWI249590B (en) | 2006-02-21 |
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US (1) | US20060110619A1 (zh) |
EP (1) | EP1544322A1 (zh) |
JP (1) | JP2004076041A (zh) |
CN (1) | CN1675410A (zh) |
AU (1) | AU2003254940A1 (zh) |
TW (1) | TWI249590B (zh) |
WO (1) | WO2004024988A1 (zh) |
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JP4633477B2 (ja) | 2005-01-07 | 2011-02-16 | 株式会社ケーヒン | アルミニウム系有膜鋳造成形品及びその製造方法 |
DE102006032124B3 (de) * | 2006-07-04 | 2007-10-31 | ITT Manufacturing Enterprises, Inc., Wilmington | Elektrisch leitendes Gehäuseteil für elektrische Steckverbinder |
WO2014167655A1 (ja) * | 2013-04-09 | 2014-10-16 | Ykk株式会社 | スライドファスナー部材用合金およびスライドファスナー部材 |
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JPS6035432B2 (ja) * | 1977-06-27 | 1985-08-14 | デイツプソ−ル株式会社 | アルミニウムまたはアルミニウム合金表面にクロメ−ト化成皮膜を形成せしめる方法 |
JP3333611B2 (ja) * | 1993-11-09 | 2002-10-15 | 日本パーカライジング株式会社 | アルミニウム及びアルミニウム合金用6価クロムフリーの化成表面処理剤 |
US6500565B2 (en) * | 1994-08-30 | 2002-12-31 | Usui Kokusai Sangyo Kaisha Limited | Corrosion resistant resin coating structure in a metal tube |
JP3332373B1 (ja) * | 2001-11-30 | 2002-10-07 | ディップソール株式会社 | 亜鉛及び亜鉛合金めっき上に六価クロムフリー防錆皮膜を形成するための処理溶液、六価クロムフリー防錆皮膜及びその形成方法。 |
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2002
- 2002-08-12 JP JP2002234965A patent/JP2004076041A/ja active Pending
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2003
- 2003-08-11 WO PCT/JP2003/010225 patent/WO2004024988A1/ja not_active Application Discontinuation
- 2003-08-11 CN CNA038194139A patent/CN1675410A/zh active Pending
- 2003-08-11 EP EP03795217A patent/EP1544322A1/en not_active Withdrawn
- 2003-08-11 US US10/524,101 patent/US20060110619A1/en not_active Abandoned
- 2003-08-11 AU AU2003254940A patent/AU2003254940A1/en not_active Abandoned
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2004
- 2004-02-19 TW TW093104083A patent/TWI249590B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2004024988A1 (ja) | 2004-03-25 |
JP2004076041A (ja) | 2004-03-11 |
TW200528579A (en) | 2005-09-01 |
EP1544322A1 (en) | 2005-06-22 |
AU2003254940A1 (en) | 2004-04-30 |
CN1675410A (zh) | 2005-09-28 |
US20060110619A1 (en) | 2006-05-25 |
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