JPH0254748A - Ceramics-coated steel sheet - Google Patents
Ceramics-coated steel sheetInfo
- Publication number
- JPH0254748A JPH0254748A JP63203927A JP20392788A JPH0254748A JP H0254748 A JPH0254748 A JP H0254748A JP 63203927 A JP63203927 A JP 63203927A JP 20392788 A JP20392788 A JP 20392788A JP H0254748 A JPH0254748 A JP H0254748A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- ceramics
- ceramic
- thickness
- steel sheet
- 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
- 239000000919 ceramic Substances 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000005260 corrosion Methods 0.000 claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000007751 thermal spraying Methods 0.000 claims abstract description 6
- 150000002739 metals Chemical class 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 10
- 239000004566 building material Substances 0.000 abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 5
- 238000007750 plasma spraying Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000007592 spray painting technique Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は耐食性、耐損傷性並びに耐候性・耐汚染性に
優れたセラミックス被覆鋼板、特にビルの外壁材用パネ
ル等の建材として用いるのに最適なものに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a ceramic-coated steel sheet with excellent corrosion resistance, damage resistance, weather resistance, and stain resistance, particularly for use as a building material such as exterior wall panels for buildings. Regarding what is best.
［従来の技術］
第２図は従来の被覆鋼板を示す断面図であり、１は鋼板
である基板、２は亜鉛或いはアルミニウムを溶射して形
成した防食用金属溶射層、３はアクリル樹脂或いはエポ
キシ樹脂をスプレー塗装して形成した樹脂封孔層である
。[Prior Art] Fig. 2 is a cross-sectional view showing a conventional coated steel plate, in which 1 is a substrate which is a steel plate, 2 is an anti-corrosion metal sprayed layer formed by spraying zinc or aluminum, and 3 is an acrylic resin or epoxy coating. This is a resin sealing layer formed by spray painting a resin.
従来の被覆鋼板は上記のように構成され、鋼板１の表面
が防食性を有する防食用金属溶射層２て被覆され、しか
も防食用金属溶射層２の表面が樹脂封孔層３によって樹
脂封孔処理されているから、優れた耐食性を有し、−膜
内な暴露条件下では２０年以上は耐えるものである。A conventional coated steel sheet is constructed as described above, in which the surface of the steel sheet 1 is coated with an anti-corrosion metal sprayed layer 2 having anti-corrosion properties, and the surface of the anti-corrosion metal spray layer 2 is sealed with a resin sealing layer 3. Because it has been treated, it has excellent corrosion resistance and can withstand more than 20 years under normal exposure conditions.
［発明が解決しようとする課題〕
上記のような従来の被覆鋼板では鋼板１の表面を被覆し
ている防食用金属溶射層、２は鋼板１よりも軟らかい即
ち硬度の小さい亜鉛或いはアルミニウムが溶射材料であ
るため、被覆鋼板を例えば外壁材用パネルとして現場で
施工の際に傷が付くと、その傷は鋼板１に達することが
あり、施工後にその箇所を起点として発錆し、剥離や亀
裂が生じ易くなって外観を損ない製品寿命を縮めるとい
う問題点があった。[Problems to be Solved by the Invention] In the conventional coated steel sheet as described above, the anti-corrosion metal sprayed layer 2 covers the surface of the steel plate 1, and the sprayed material 2 is zinc or aluminum, which is softer than the steel plate 1, that is, has a lower hardness. Therefore, if a coated steel plate gets scratched during construction, for example, as an exterior wall panel, the scratch may reach the steel plate 1, and after construction, rust will start from that point, causing peeling and cracking. There is a problem in that this tends to occur, impairing the appearance and shortening the product life.
本発明はかかる問題点を解決するためになされたもので
耐食性、耐損傷性並びに耐候性・耐汚染性に優れたセラ
ミックス被覆鋼板を得ることを目的とする。The present invention was made in order to solve such problems, and an object of the present invention is to obtain a ceramic-coated steel sheet having excellent corrosion resistance, damage resistance, weather resistance, and stain resistance.
［課題を解決するための手段］
この発明に係るセラミックス被覆鋼板は鋼板の基板と、
基板表面に亜鉛あるいはアルミニウムのように鋼に対し
て犠牲防食作用を持つ金属ないしはこれらの金属とセラ
ミックスの混合物をメ・ツキあるいは溶射することによ
り形成した防食層と、防食層上にセラミックスを溶射し
て形成したセラミックス溶射層と、セラミックス溶射層
の表面に合成樹脂を塗装或いは溶射して形成した樹脂封
孔層とからなるように構成したものである。[Means for Solving the Problems] A ceramic-coated steel plate according to the present invention includes a steel plate substrate,
An anti-corrosion layer is formed by coating or spraying a metal such as zinc or aluminum that has a sacrificial anti-corrosion effect on steel, or a mixture of these metals and ceramics, on the substrate surface, and a ceramic is sprayed onto the anti-corrosion layer. The ceramic sprayed layer is formed using a ceramic sprayed layer, and a resin sealing layer is formed by coating or spraying a synthetic resin on the surface of the ceramic sprayed layer.
［作 用］
この発明においては鋼板の基板表面に亜鉛あるいはアル
ミニウムのように鋼に対して犠牲防食作用を持つ金属な
いしはこれらの金属とセラミックスの混合物をメッキあ
るいは溶射することにより形成した防食層を形成してい
るから、基板に対して耐食性を有する。その防食層上に
はセラミックスを溶射してセラミックス溶射層を形成し
ているから、基板に対して耐損傷性を有する。そのセラ
ミックス溶射層の表面に透明な合成樹脂を塗装或いは溶
射して樹脂封孔層を形成したから、表面は耐候性・耐汚
染性を有し、しかもセラミックス溶射層自身の持ってい
る色が外観に表われ、無機質な外観となる。[Function] In this invention, an anti-corrosion layer is formed on the surface of a steel plate substrate by plating or spraying a metal that has a sacrificial anti-corrosion effect on steel, such as zinc or aluminum, or a mixture of these metals and ceramics. Because of this, it has corrosion resistance to the substrate. Since a ceramic sprayed layer is formed by spraying ceramics on the anti-corrosion layer, it has damage resistance to the substrate. Since a transparent synthetic resin is painted or sprayed on the surface of the ceramic sprayed layer to form a resin sealing layer, the surface is weather resistant and stain resistant, and the color of the ceramic sprayed layer itself changes the appearance. , giving it an inorganic appearance.
［実施例］
第１図はこの発明の一実施例を示す断面図であり、１０
は厚さが１．６ｍｍ程度の軟鋼板である基板、１１は基
板１０の表面に形成された防食層で、厚さが５０−程度
の亜鉛メッキによって、或いはアルミニウム単体又はア
ルミニウムとセラミックスの混合物を溶射材料とし、ア
ークあるいはプラズマ溶射によって厚さか５０−以下に
構成されている。１２は防食層１１上にアルミナ（Ａｇ
２Ｏ３）等のセラミックスをプラズマ溶射して形成され
た厚さ１５０〜２００−のセラミックス溶射層である。[Example] FIG. 1 is a cross-sectional view showing an example of the present invention.
is a substrate made of a mild steel plate with a thickness of about 1.6 mm, and 11 is an anti-corrosion layer formed on the surface of the substrate 10, which is formed by zinc plating with a thickness of about 50 mm, or by aluminum alone or a mixture of aluminum and ceramics. The material is thermally sprayed and is formed to a thickness of 50 mm or less by arc or plasma spraying. 12 is alumina (Ag
This is a ceramic sprayed layer with a thickness of 150 to 200 mm formed by plasma spraying ceramics such as 2O3).
１３はセラミックス溶射層■２の表面にフッ素樹脂をス
プレー塗装或いは溶射して形成された厚さ３０〜５０−
の樹脂封孔層である。更に、樹脂封孔層１３を形成する
ためにスプレー塗装或いは溶射が行われた直後に、約２
００℃で１〜２時間位の焼付けが行われる。この焼付け
は樹脂封孔層１３の素材であるフ・ン素樹脂を早く硬化
させるために行うものである。13 is a ceramic sprayed layer 2 which is formed by spray painting or thermal spraying a fluororesin on the surface of 2 and has a thickness of 30 to 50 mm.
This is a resin sealing layer. Furthermore, immediately after spray painting or thermal spraying is performed to form the resin sealing layer 13, about 2
Baking is performed at 00°C for about 1 to 2 hours. This baking is performed in order to quickly harden the fluorocarbon resin that is the material of the resin sealing layer 13.
上記のように構成されたセラミックス被覆鋼板において
は、鋼板である基板１０の表面に形成された防食層１．
１を構成する素材は亜鉛、アルミニウム、アルミニウム
とセラミックスの混合物であり、いずれも鋼に対して犠
牲防食性を示すから、基板１０の表面が防食層１１で覆
われると、基板１０に対して優れた耐食性を有する。In the ceramic-coated steel sheet configured as described above, an anticorrosion layer 1.
The materials composing the substrate 1 are zinc, aluminum, or a mixture of aluminum and ceramics, all of which exhibit sacrificial corrosion protection against steel. It has excellent corrosion resistance.
また、防食層１１上に形成されたセラミックス溶射層１
２を構成する素材は高硬度のセラミックスであり、基板
１０の表面が防食層１１を介してセラミ・ツクス溶射層
１２で覆われると、基板１０に対して耐損傷性を有する
。従って、外部から傷が付けられてもその傷が基板１０
に達することはない。In addition, the ceramic sprayed layer 1 formed on the anticorrosion layer 11
The material constituting the substrate 2 is a highly hard ceramic, and when the surface of the substrate 10 is covered with the ceramic sprayed layer 12 via the anticorrosion layer 11, it has damage resistance to the substrate 10. Therefore, even if there is a scratch on the board 10 from the outside, the scratch is
will never reach.
更に、セラミックス溶射層１２の表面に形成された樹脂
封孔層１３を構成する素材は合成樹脂である透明なフッ
素樹脂で、樹脂封孔層１３の厚さも３０〜５０μｍとや
や厚いことから、セラミックス溶射層１２の表面が充分
に封孔処理されると共にセラミックス被覆鋼板の表面は
艶がある仕上りで、雨水・紫外線に強い耐候性・耐汚染
性を有し、しかもセラミックス溶射層１３の素材である
セラミックスそれ自身が持っている色が外観に表われ、
タイル状のすべすべした外観となる。また封孔処理に用
いた樹脂はセラミックス溶射層中の空孔にも浸透して被
覆を形成しており、万一表面の樹脂層に傷が付いてもこ
の傷は高硬度のセラミックス溶射層で止まり樹脂が浸透
したセラミックス溶射層が破壊されない限り耐候性は確
保される。従って、この実施例のセラミックス被覆鋼板
は外壁材用パネル等の建材として使用するのに適したも
のである。Furthermore, the material constituting the resin sealing layer 13 formed on the surface of the ceramic sprayed layer 12 is a transparent fluororesin, which is a synthetic resin, and the resin sealing layer 13 has a somewhat thick thickness of 30 to 50 μm. The surface of the thermal sprayed layer 12 is sufficiently sealed, and the surface of the ceramic coated steel sheet has a glossy finish, and has weather resistance and stain resistance that are resistant to rainwater and ultraviolet rays, and is the material of the ceramic thermal sprayed layer 13. The color of the ceramic itself is reflected in its appearance,
It has a smooth tile-like appearance. In addition, the resin used for the sealing process penetrates into the pores in the ceramic sprayed layer and forms a coating, so even if the surface resin layer is scratched, this scratch will be removed by the highly hard ceramic sprayed layer. Weather resistance is ensured as long as the ceramic sprayed layer impregnated with resin is not destroyed. Therefore, the ceramic-coated steel sheet of this example is suitable for use as a building material such as an exterior wall panel.
以下、この発明のセラミックス被覆鋼板を製造した具体
例を説明する。Hereinafter, a specific example of manufacturing the ceramic-coated steel sheet of the present invention will be described.
（具体例）
基板ＩＯとして、厚さ１．６ｍｍの軟鋼板を使用し、ま
ず基板ｌＯの表面に厚さ５０μｍの溶融亜鉛メッキを施
して、防食層１１を形成する。次に、基板１０に形成さ
れた防食層１１上にプラズマ溶射によってアルミナ（Ａ
ｇ２０３）を溶射材料としてセラミックス溶射層１２を
形成する。このときのプラズマ溶射の条件は、入熱が３
７ＫＷ、プラズマガスはアルゴンＡｒと水素Ｈ２の混合
ガスである。このとき、形成されセラミックス溶射層１
２の厚みは１５０．である。(Specific Example) A mild steel plate with a thickness of 1.6 mm is used as the substrate IO, and first, the surface of the substrate IO is hot-dip galvanized to a thickness of 50 μm to form an anticorrosion layer 11. Next, alumina (A
A ceramic sprayed layer 12 is formed using g203) as a sprayed material. The conditions for plasma spraying at this time are that the heat input is 3
7KW, and the plasma gas is a mixed gas of argon Ar and hydrogen H2. At this time, the ceramic sprayed layer 1 is formed.
The thickness of 2 is 150. It is.
更に、そのセラミックス溶射層１２の表面にフッ素樹脂
をスプレー塗装して厚さ５０１Ｊｆｏの樹脂封孔層１３
を形成する。Furthermore, a fluororesin is spray-coated on the surface of the ceramic sprayed layer 12 to form a resin sealing layer 13 with a thickness of 501Jfo.
form.
最後に、防食層１１、セラミックス溶射層１２及び樹脂
封孔層１３が積層状態に形成された基板１０を２００℃
で１時間、適当な加熱手段で焼付けると、セラミックス
被覆鋼板が製造される。Finally, the substrate 10 on which the anticorrosive layer 11, the ceramic sprayed layer 12, and the resin sealing layer 13 are laminated is heated to 200°C.
A ceramic-coated steel sheet is produced by baking with a suitable heating means for one hour.
次に、本発明の具体例と従来例のナイフ傷付塩水噴霧試
験についての結果の比較を示す。Next, a comparison will be made between the results of the knife wound salt spray test between the specific example of the present invention and the conventional example.
従来例は基板１が厚さ１．６１１ｍの鋼板、防食用金属
溶射層２がアルミニウム溶射て厚さが１２０１Ｊｊ１１
、樹脂封孔層３がアクリル樹脂をスプレー塗装して厚さ
が３０口のものである。In the conventional example, the substrate 1 is a steel plate with a thickness of 1.611 m, and the anti-corrosion metal sprayed layer 2 is sprayed with aluminum and has a thickness of 1201 m.
The resin sealing layer 3 was spray-painted with acrylic resin and had a thickness of 30 layers.
ナイフ傷付塩水噴霧試験は刃厚１１１１１の市販カッタ
で５ｋｇＶの力で具体例と従来例の試験表面を５ｃｍ移
動させ、傷を付け、しがる後に塩水噴霧試験（ＪＩＳ
Ｚ２３７１による）をして行ったもので、試験結果は
下記の表の如くである。The salt water spray test for knife scratches was performed by moving the test surfaces of the specific example and the conventional example 5 cm with a force of 5 kgV using a commercially available cutter with a blade thickness of 11111, making scratches, and then applying the salt water spray test (JIS).
Z2371), and the test results are as shown in the table below.
表
試験結果が示すように本発明の具体例のものは従来例゛
に比べて耐食性、耐損傷性に優れ、製品寿命が充分長い
ことがわかる。As shown in the table test results, the specific examples of the present invention have superior corrosion resistance and damage resistance compared to the conventional examples, and have a sufficiently long product life.
［発明の効果］
この発明は以上説明したように、鋼板の基板と、基板表
面に亜鉛あるいはアルミニウムのように鋼に対して犠牲
防食作用を持つ金属ないしはこれらの金属とセラミック
スの混合物をメッキあるいは溶射することによって形成
した防食層と、防食層上にセラミックスを溶射して形成
したセラミックス溶射層と、セラミックス溶射層の表面
に合成樹脂を塗装或いは溶射して形成した樹脂封孔層と
で形成されているので、基板に対して防食層が優れた耐
食性をＨし、基板に対してセラミックス溶射層が耐損傷
性を有し、セラミックス溶射層に対して、樹脂封孔層が
表面を艶がある仕上で雨水、紫外線に強い耐候性・耐汚
染性を有し、しかもセラミックス溶射層自身の持ってい
る色を外観に表わしてすべすべしたタイル状の外観とし
ているため、外壁材用パネル等の建材として使用したと
きに充分な製品寿命が得られるという効果ある。[Effects of the Invention] As explained above, the present invention includes a steel plate substrate and a metal plated or thermally sprayed on the surface of the substrate with a metal having a sacrificial anticorrosive effect on steel, such as zinc or aluminum, or a mixture of these metals and ceramics. a ceramic sprayed layer formed by thermally spraying ceramics on the corrosionproofing layer, and a resin sealing layer formed by painting or spraying a synthetic resin on the surface of the ceramics sprayed layer. The anti-corrosion layer provides excellent corrosion resistance to the substrate, the ceramic sprayed layer provides damage resistance to the substrate, and the resin sealing layer provides a glossy surface finish to the ceramic sprayed layer. It has weather resistance and stain resistance that is resistant to rainwater and ultraviolet rays, and it has a smooth tile-like appearance that shows the color of the ceramic sprayed layer, so it is used as a building material such as exterior wall panels. This has the effect of providing a sufficient product life.
第１図はこの発明の一実施例を示す断面図、第２図は従
来の被覆鋼板を示す断面図である。
１０・・・基板、１１・・・防食層、１２・・・セラミ
ックス溶射層、１３・・・樹脂封孔層。FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional coated steel plate. DESCRIPTION OF SYMBOLS 10... Substrate, 11... Corrosion protection layer, 12... Ceramic sprayed layer, 13... Resin sealing layer.
Claims (1)
ように鋼に対して犠牲防食作用を持つ金属ないしはこれ
らの金属とセラミックスの混合物をメッキあるいは溶射
することによって形成した防食層と、防食層上にセラミ
ックスを溶射して形成したセラミックス溶射層と、セラ
ミックス溶射層の表面に合成樹脂を塗装或いは溶射して
形成した樹脂封孔層とからなることを特徴とするセラミ
ックス被覆鋼板。A steel plate substrate, an anti-corrosion layer formed by plating or spraying a metal such as zinc or aluminum that has a sacrificial anti-corrosion effect on steel, or a mixture of these metals and ceramics, on the substrate surface, and a ceramic layer on the anti-corrosion layer. 1. A ceramic coated steel sheet comprising: a ceramic sprayed layer formed by thermal spraying; and a resin sealing layer formed by coating or spraying a synthetic resin on the surface of the ceramic sprayed layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63203927A JPH0254748A (en) | 1988-08-18 | 1988-08-18 | Ceramics-coated steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63203927A JPH0254748A (en) | 1988-08-18 | 1988-08-18 | Ceramics-coated steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0254748A true JPH0254748A (en) | 1990-02-23 |
Family
ID=16482001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63203927A Pending JPH0254748A (en) | 1988-08-18 | 1988-08-18 | Ceramics-coated steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0254748A (en) |
-
1988
- 1988-08-18 JP JP63203927A patent/JPH0254748A/en active Pending
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