JPS63175676A - Metal component - Google Patents
Metal componentInfo
- Publication number
- JPS63175676A JPS63175676A JP528987A JP528987A JPS63175676A JP S63175676 A JPS63175676 A JP S63175676A JP 528987 A JP528987 A JP 528987A JP 528987 A JP528987 A JP 528987A JP S63175676 A JPS63175676 A JP S63175676A
- Authority
- JP
- Japan
- Prior art keywords
- coating film
- coating layer
- film layer
- inorganic
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 12
- 239000011247 coating layer Substances 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 5
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- -1 acryl Chemical group 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229960004029 silicic acid Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、金属の表面に塗膜層を形成した金属部材に
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a metal member having a coating layer formed on the surface of the metal.
（従来の技術）
従来、金属の耐蝕性を向上させるための一手段として、
金属の表面に、有機質を主成分とした有機質系塗膜層（
以下有機塗膜層という）を形成させた金属部材や、無機
質を主成分とした無機質系塗膜層（以下無機塗膜層とい
う）を形成させた金属部材が知られている。(Prior art) Conventionally, as a means to improve the corrosion resistance of metals,
An organic coating layer (mainly composed of organic substances) is applied to the surface of the metal.
Metal members on which an organic coating layer (hereinafter referred to as an organic coating layer) is formed and metal members on which an inorganic coating layer containing an inorganic material as a main component (hereinafter referred to as an inorganic coating layer) are formed are known.
例えば、アルミニウム合金製の車両用ホイールは、意匠
向上のために、その表面を切削加工によって切削仕上げ
をして、アルミニウムの金属光沢面を出している。しか
も、これらの効果を長期間にわたって維持し、かつ防錆
力を向上させるために、その切削加工面に有機塗膜層や
無機塗膜層を形成させている。For example, in order to improve the design of an aluminum alloy vehicle wheel, its surface is finished by cutting to give it the metallic luster of aluminum. Furthermore, in order to maintain these effects over a long period of time and to improve the rust prevention ability, an organic coating layer or an inorganic coating layer is formed on the cut surface.
（発明が解決しようとする問題点）
しかし、このような金属部材、例えば上記アルミニウム
合金製の車両用ホイールの場合、その切削加工面と塗膜
層との間に、使用中の傷や塗料のピンホール等の塗膜欠
陥から浸入する水分により、糸状の腐食（一般に糸さび
と呼ばれるもの）が発生するものである。その切削加工
面に有機塗膜層を形成したものは、この耐糸さび性に対
して侶い欠点があった。(Problems to be Solved by the Invention) However, in the case of such metal members, such as the above-mentioned aluminum alloy vehicle wheels, there may be scratches or paint buildup between the cut surface and the coating layer during use. Moisture that enters through paint film defects such as pinholes causes thread-like corrosion (generally called thread rust). Those in which an organic coating layer was formed on the cut surface had a serious drawback in terms of yarn rust resistance.
また、その切削加工面に無機塗膜層を形成したものは、
有機塗膜層を形成したものに比べ、耐糸さび性に優れて
はいるものの、塗膜の塗膜厚を厚（形成できにくいばか
りか、耐衝撃性も低いことが欠点であった。In addition, those with an inorganic coating layer formed on the cut surface,
Although it has superior yarn rust resistance compared to those with an organic coating layer, it has the drawbacks of not only being difficult to form a thick coating film, but also having low impact resistance.
この発明は、このような問題点を解決しようとしたもの
である。This invention is an attempt to solve such problems.
（問題点を解決するための手段）
この発明の構成は、金属の表面に塗膜層を形成した金属
部材において、その塗膜層は、その金属の表面に無機塗
膜層を形成するとともに、その無機塗膜層の表面に有機
塗膜層を形成したことを特徴とする金属部材である。(Means for Solving the Problems) The structure of the present invention is that in a metal member having a coating layer formed on the surface of the metal, the coating layer forms an inorganic coating layer on the surface of the metal, and This metal member is characterized in that an organic coating layer is formed on the surface of the inorganic coating layer.
（発明の作用）
この発明の金属部材の作用は、金属の表面に塗１１Ｑ層
を形成した金属部材において、その塗膜層は、その金属
の表面に無機塗膜層を形成するとともに、その無機塗膜
層の表面に有機塗膜層を形成したので、耐糸さび性に優
れ、塗膜厚を厚く形成できるとともに、耐衝撃性を向上
させることができるものであり、無機質を主成分とした
無機質系塗料は、アルミニウム合金との結合力が強いの
で、塗膜のそのアルミニウム合金への密着度が強くなる
ものである。(Function of the invention) The function of the metal member of the present invention is that in a metal member in which a coating 11Q layer is formed on the surface of the metal, the coating layer forms an inorganic coating layer on the surface of the metal, and also forms an inorganic coating layer on the surface of the metal. Since an organic coating layer is formed on the surface of the coating layer, it has excellent thread rust resistance, allows a thick coating film to be formed, and improves impact resistance. Since inorganic paints have a strong bond with aluminum alloys, the adhesion of the paint film to the aluminum alloys is strong.
（実施例の説明）
この発明の実施例を第１．２図に基づいて、アルミニウ
ム合金製の車両用ホイールついて説明する。(Description of Embodiments) An embodiment of the present invention will be described with reference to FIG. 1.2 regarding a vehicle wheel made of an aluminum alloy.
まず、低圧鋳造法によって成形されたアルミニウム合金
製の鋳造素材は、押湯等の不要物が除去され、溶体化処
理及び時効処理が施され、ショツトブラストがかけられ
た後、旋盤による切削加工によって、アル名ニウムの金
属光沢面をしたアルミニウム合金製の車両用ホイール１
が形成される（第１図参照）。 次ぎに、その車両用ホ
イール１は、前処理工程として、アルカリ溶液中に１〜
２分浸漬され、水温が５０〜６０°Ｃの噴霧水によって
水洗、脱脂が施され、下地処理工程でクロム酸塩皮膜が
約１μｍの厚さに形成され、そのクロム酸塩皮膜上に室
温でエアースプレーにより、含水シリカコロイドを主成
分とした無機質系塗料を塗布した後、温度約６０〜７０
℃で予備乾燥を行い、塗膜厚約５μｍの無機塗膜層（ベ
タベタの状態）を形成し、その無機塗膜層の表面に室温
でエアースプレーにより、アクリル樹脂を主成分とした
有機質系塗料を塗布し、塗膜厚約１５μｍの有機塗膜層
（ベタベタの状態）を形成し、温度約１３０〜１８０℃
で焼成する。このようにして、第２図に示すように、そ
のアルミニウム合金製の車両用ホイール１の表面に、無
機塗膜層２が形成されるとともに、その無機塗膜層２の
表面に有機塗膜層３が形成されるものである。First, the aluminum alloy casting material formed by the low-pressure casting method is stripped of unnecessary materials such as feeders, subjected to solution treatment and aging treatment, shot blasted, and then cut using a lathe. , Aluminum alloy vehicle wheel 1 with aluminum metallic gloss surface
is formed (see Figure 1). Next, as a pretreatment process, the vehicle wheel 1 is placed in an alkaline solution containing 1 to
After being immersed for 2 minutes, it is washed and degreased with spray water at a water temperature of 50 to 60°C, and a chromate film with a thickness of about 1 μm is formed in the surface treatment process. After applying an inorganic paint mainly composed of hydrated silica colloid by air spray, the temperature is about 60~70℃.
Pre-dry at ℃ to form an inorganic coating layer (sticky state) with a coating thickness of approximately 5 μm, and apply an organic paint mainly composed of acrylic resin to the surface of the inorganic coating layer by air spraying at room temperature. to form an organic coating layer (sticky state) with a coating thickness of approximately 15 μm, and at a temperature of approximately 130 to 180°C.
Fire it with In this way, as shown in FIG. 2, an inorganic coating layer 2 is formed on the surface of the aluminum alloy vehicle wheel 1, and an organic coating layer is formed on the surface of the inorganic coating layer 2. 3 is formed.
また、アルミニウム合金製の鋳造板材の試験片（１５０
Ｘ７０Ｘ５龍）に、上記塗装方法と同様の方法で塗装し
たものと、従来の有機塗膜層を約２０μｍの塗膜厚に形
成したものとを、下記のような耐糸さび性の比較試験を
行なった。この耐糸さび性の試験は、その試験片の塗膜
の上からカッターナイフの刃先で、その試験片の生地に
達するように交差する２本の対角線を引き、この試験片
を、塩水噴霧試験装置の試験室
（室温 ３５℃、室内の相対湿度
９５％、
塩水の濃度 ５匈／Ｖ％、噴霧用空気の
圧力 １．ＯＫｇｆ ’／ ｃｒＡ。In addition, a test piece of aluminum alloy cast plate material (150
The following comparative test for thread rust resistance was carried out on a material coated with a method similar to the above-mentioned method and a material coated with a conventional organic coating layer to a thickness of approximately 20 μm. I did it. This thread rust resistance test involves drawing two diagonal lines that intersect on top of the coating film of the test piece with the cutting edge of a cutter knife so as to reach the fabric of the test piece, and then subjecting this test piece to the salt spray test. Equipment test room (room temperature 35°C, indoor relative humidity 95%, salt water concentration 5 匈/V%, atomizing air pressure 1.OKgf'/crA.
霧を集めて得た溶液のｐＨ７，１、
霧を集めて得た溶液の比重 １．０２ ’）の内部に
入れ、霧の流れの主方向に平行に、水平に対して約６０
度になるように、塗面を上にして配置し、その試験室の
中で塩水の霧を連続して１２０時間発生させた後、その
試験片を洗い、その後大気中（相対湿度４０〜６０％）
に２５０時間まで放置したものである。その結果、従来
の有機塗膜層を形成したものは、約７２時間経過した時
点で糸さびが発生し、２５０時間経過した時点では・１
２１１１１にも成長した。一方、この発明のものは２５
０時間経過しても、糸さびは全く発生しなかった。The pH of the solution obtained by collecting the mist is 7.1, and the specific gravity of the solution obtained by collecting the mist is 1.02'.
After 120 hours of continuous salt water mist generation in the test chamber, the specimens were placed with the coated side up so that the temperature was 40°C, and then washed in the atmosphere (relative humidity 40-60°C). %)
It was left for up to 250 hours. As a result, thread rust occurred after about 72 hours with conventional organic paint layers, and after 250 hours, thread rust appeared.
It has also grown to 21,111. On the other hand, the one of this invention is 25
Even after 0 hours, no thread rust occurred.
（発明の効果）
この発明の金属部材は、以上のような構成であるので、
耐糸さび性に優れ、塗膜厚を厚く形成できるとともに、
耐衝撃性を向上させることができるものであ。また、金
属をアルミニウム合金とする場合は、無機質を主成分と
した無機質系塗料との結合力が強いので、塗膜との密着
度を強くすることができる等の効果を奏するものである
。(Effects of the Invention) Since the metal member of the present invention has the above configuration,
It has excellent thread rust resistance and can form a thick coating film.
It can improve impact resistance. In addition, when the metal is an aluminum alloy, it has a strong bonding force with an inorganic paint mainly composed of inorganic materials, so it has the effect of increasing the adhesion with the paint film.
第１図はこの発明の平面図、第２図は第１図の断面Ａ−
Ａの要部拡大図である。
１ −−−−−−−一車両用ホイール
２ ・・−・−・・−・無機塗膜層
３ ・−・・−・−・有機塗膜層
以上
？・
出願代理人、弁理上 野末祐司 ５．］゛１、ζ八、
。
第１因
手続補正書岨発）Fig. 1 is a plan view of the present invention, and Fig. 2 is a cross section A--
It is an enlarged view of the main part of A. 1 ----------- Vehicle wheel 2 ・・・・−・・・・Inorganic coating layer 3 ・−・・−・−・Organic coating layer or higher?・ Application agent, patent attorney Yuji Nozue 5. ]゛1, ζ8,
. 1st cause procedural amendment (issued by Qian)
Claims (2)
て、その塗膜層は、その金属の表面に無機質を主成分と
した無機質系塗膜を形成するとともに、その無機質系塗
膜の表面に有機質を主成分とした有機質系塗膜を形成し
たことを特徴とする金属部材。(1) In a metal member with a coating layer formed on the surface of the metal, the coating layer forms an inorganic coating film mainly composed of inorganic substances on the surface of the metal, and A metal member characterized by having an organic coating film containing an organic substance as a main component formed on the surface.
とする特許請求の範囲第１項記載の金属部材。(2) The metal member according to claim 1, wherein the metal is an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP528987A JPS63175676A (en) | 1987-01-12 | 1987-01-12 | Metal component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP528987A JPS63175676A (en) | 1987-01-12 | 1987-01-12 | Metal component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63175676A true JPS63175676A (en) | 1988-07-20 |
Family
ID=11607081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP528987A Pending JPS63175676A (en) | 1987-01-12 | 1987-01-12 | Metal component |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63175676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241939A (en) * | 2011-05-17 | 2011-11-16 | 华南理工大学 | Organic-inorganic hybrid super-hydrophilic coating as well as preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078535A (en) * | 1973-11-15 | 1975-06-26 | ||
| JPS50141630A (en) * | 1974-05-02 | 1975-11-14 | ||
| JPS60204320A (en) * | 1984-03-29 | 1985-10-15 | 日本ペイント株式会社 | Corrosion-resistant coated laminate |
-
1987
- 1987-01-12 JP JP528987A patent/JPS63175676A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078535A (en) * | 1973-11-15 | 1975-06-26 | ||
| JPS50141630A (en) * | 1974-05-02 | 1975-11-14 | ||
| JPS60204320A (en) * | 1984-03-29 | 1985-10-15 | 日本ペイント株式会社 | Corrosion-resistant coated laminate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241939A (en) * | 2011-05-17 | 2011-11-16 | 华南理工大学 | Organic-inorganic hybrid super-hydrophilic coating as well as preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0455419B1 (en) | Coating steel articles | |
| JPS60159175A (en) | Passivation treatment of phosphated metal surface | |
| CA2109629A1 (en) | Process of protecting surfaces using silicate compounds | |
| JPS63175676A (en) | Metal component | |
| KR20210069457A (en) | Bonded steel sheet having excellent corrosion resistance and method for manufacturing thereof | |
| JPH0533312B2 (en) | ||
| JPS63219587A (en) | Manufacture of galvanized steel sheet excellent in adhesive strength of paint | |
| JPS60121275A (en) | Blackened steel sheet and its production | |
| US3201212A (en) | Trim member | |
| US5575865A (en) | Process for coating a workpiece of steel with an anti-corrosive agent | |
| JP2626850B2 (en) | Continuous zinc coating method for aluminum strip | |
| JPH01279788A (en) | Treatment of al alloy sheet for coating | |
| JPS63175673A (en) | Coating method | |
| JPH10204654A (en) | Treatment of surface of metal | |
| KR20040016456A (en) | Method for manufacturing green chrome-free steel plate with a fingerprint-resistance | |
| JPH0250947A (en) | Sealing treatment for sprayed deposit | |
| JP2897042B2 (en) | Method for producing rubber composite | |
| JPS61104089A (en) | Chemical conversion treatment of aluminum material and iron material | |
| JPH03207847A (en) | Highly corrosion resistant combinedly coated steel and its production | |
| JPH1015487A (en) | Production of zinc of zinc-aluminum alloy plated steel excellent in powder coating suitability | |
| JPS596383A (en) | Production of corrosion protecting layer on aluminum parts without using electric current | |
| CN112647069A (en) | Environment-friendly titanium lanthanum film forming agent, aluminum material and surface film forming treatment method thereof | |
| JPH0297653A (en) | Alloying hot dip galvanized steel sheet excellent in workability and its production | |
| KR960005024B1 (en) | Method for manufacturing a molten zinc coating steel plate with an excellent corrosion resistant minispangle | |
| JPH03166386A (en) | Surface modification method for surface treated steel sheet |