JPS6324053A - Production of low carbon steel sheet and stainless steel sheet provided with ceramic film having superior adhesion - Google Patents
Production of low carbon steel sheet and stainless steel sheet provided with ceramic film having superior adhesionInfo
- Publication number
- JPS6324053A JPS6324053A JP16671786A JP16671786A JPS6324053A JP S6324053 A JPS6324053 A JP S6324053A JP 16671786 A JP16671786 A JP 16671786A JP 16671786 A JP16671786 A JP 16671786A JP S6324053 A JPS6324053 A JP S6324053A
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- low carbon
- stainless steel
- adhesion
- steel plate
- 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
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 14
- 239000010935 stainless steel Substances 0.000 title claims abstract description 14
- 229910001209 Low-carbon steel Inorganic materials 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000919 ceramic Substances 0.000 title abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000007733 ion plating Methods 0.000 claims abstract description 16
- 238000010894 electron beam technology Methods 0.000 claims abstract description 8
- 238000005524 ceramic coating Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000010849 ion bombardment Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910001432 tin ion Inorganic materials 0.000 description 1
Landscapes
- Physical Vapour Deposition (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
この発明は、密着性にすぐれたセラミック被膜をそなえ
る低炭素鋼板およびステンレス鋼板の製造方法に関し、
とくにイオンプレーティングによってセラミック被膜を
被成する場合に、かかる被成処理に先立つ前処理に工夫
を加えることによってセラミック被膜の密着性の有利な
向上を図ろうとするものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for manufacturing low carbon steel sheets and stainless steel sheets having ceramic coatings with excellent adhesion.
In particular, when a ceramic coating is formed by ion plating, it is attempted to advantageously improve the adhesion of the ceramic coating by adding a device to the pretreatment prior to the formation process.
(従来の技術)
近年、プラズマを利用したセラミックコーティング技術
が著しく進歩し、各方面でその利用が急速に広まりつつ
ある。たとえば低炭素鋼板では、耐食性や装飾性の改善
のためにTiNやTiCなとの表面コーティングが、ま
たステンレス鋼板では、装飾性や耐摩耗性の改善のため
にTiN、 TiC,Ti(C,N)ないしCrNなど
の表面コーティングがおこなわれている。(Prior Art) In recent years, ceramic coating technology using plasma has made remarkable progress, and its use is rapidly spreading in various fields. For example, low carbon steel sheets are coated with TiN or TiC to improve their corrosion resistance and decorative properties, and stainless steel sheets are coated with TiN, TiC, or Ti(C,N) to improve their decorative properties and wear resistance. ) or CrN.
しかしながらこれらのセラミック被膜は、被処理材であ
る鋼板に比べると熱膨張係数がはるかに小さいため、鋼
板に対する密着性が問題となる。However, since these ceramic coatings have a much smaller coefficient of thermal expansion than the steel plate that is the material to be treated, their adhesion to the steel plate becomes a problem.
また大面積の鋼板においては板面全体にわたるコーティ
ング被膜の均一性の確保がミさらに建材等の用途におい
ては装飾性や耐摩耗性に優れることも重要である。In addition, in the case of large-area steel plates, it is important to ensure uniformity of the coating film over the entire plate surface, and in applications such as building materials, it is also important to have excellent decorative properties and wear resistance.
このためこれまでも超音波またはフレオンガスなどによ
る@坂の前処理手法の検討や、ボンバードメント処理の
検討あるいはイオンプレーティングの際のガス圧および
バイアス電圧などの検討を行って、セラミンク被膜と基
地鋼板との密着性を改善することにつき、種々の試みが
なされている(たとえば特開昭60 96754号公報
参照)。For this reason, we have been studying pre-treatment methods such as ultrasonic waves or Freon gas, bombardment treatment, gas pressure and bias voltage during ion plating, etc. Various attempts have been made to improve the adhesion with (for example, see Japanese Patent Application Laid-Open No. 60-96754).
(発明が解決しようとする問題点)
しかしながら、現在までのところ、根本的に密着性の向
上を達成したイオンプレーティング法はまだ開発されて
いない。(Problems to be Solved by the Invention) However, to date, no ion plating method has been developed that fundamentally improves adhesion.
そこで発明者らは、上記の問題を解決すべく鋭意研究を
重ねたところ、金属ストリップに対してイオンプレーテ
ィングによりセラミック被膜を被成するに際し、かかる
イオンプレーティング処理に先立ち鋼板表面をエレクト
ロンビームによって加熱することにより、極めて効果的
に被膜密着性の改善を図り得ることの知見を得た。Therefore, the inventors conducted intensive research to solve the above problem and found that when applying a ceramic coating to a metal strip by ion plating, the surface of the steel plate was coated with an electron beam prior to the ion plating process. It has been found that coating adhesion can be very effectively improved by heating.
(問題点を解決するための手段)
すなわちこの発明は、表面清浄化処理を経た低炭素鋼板
またはステンレス鋼板の表面に、イオンプレーティング
によってセラミンク被膜を被成するに際し、上記イオン
プレーティング処理に先立ち、該鋼板表面に100〜6
00℃の温度範囲におけるエレクトロンビーム加熱を施
すことを特徴とする、密着性に優れたセラミック被膜を
そなえる低炭素鋼板およびステンレス鋼板の製造方法で
ある。(Means for Solving the Problems) That is, the present invention provides a method for forming a ceramic coating by ion plating on the surface of a low carbon steel plate or stainless steel plate that has undergone surface cleaning treatment, prior to the ion plating treatment. , 100 to 6 on the surface of the steel plate
This is a method for producing low carbon steel sheets and stainless steel sheets having ceramic coatings with excellent adhesion, which is characterized by applying electron beam heating in a temperature range of 00°C.
以下この発明を由来するに至った実験結果Gこついて説
明する。The experimental results that led to this invention will be explained below.
(al C: 0.04wt%(以下単に%で示す)
、Mn:0.35%、S : 0.009%およびP
: 0.009%を含有する組成になる低炭素冷延鋼板
、
(b) C: 0.015%、l’ln:0.6%、
Cr : 14.34%およびMo: 1.6%を
含有する組成になるステンレス鋼、
の熱延板(厚み:2.2〜2.41m)をそれぞれ、冷
延しくいずれも厚み:0.7 am) 、ついで再結晶
処理を施したのち、鋼板表面と電解研磨により中心線平
均粗さRaro、1μm以下の鏡面状態に仕上げてから
、500 m璽X 500 +uの大きさに切出した。(al C: 0.04wt% (hereinafter simply expressed as %)
, Mn: 0.35%, S: 0.009% and P
: Low carbon cold rolled steel sheet having a composition containing 0.009%, (b) C: 0.015%, l'ln: 0.6%,
Hot-rolled sheets (thickness: 2.2 to 2.41 m) of stainless steel having a composition containing Cr: 14.34% and Mo: 1.6% were each cold-rolled to a thickness of 0.7. am) Then, after recrystallization treatment was performed, the steel plate surface was electrolytically polished to a mirror-like state with a center line average roughness Raro of 1 μm or less, and then cut into a size of 500 m × 500 + u.
しかるのち下記■、■に示す2つの方法で前処理を施し
たのち、イオンプレーティング装置()ICD法)を用
いて、コーティング温度=300℃1加速電圧:50V
、電流: 500Aの条件の下に、20.czm厚の
T i Nのコーティングを行った。After that, pretreatment was performed using the two methods shown below (■) and (■), and then using an ion plating device (ICD method), coating temperature = 300°C 1 acceleration voltage: 50V
, current: 20. under the condition of 500A. A coating of T i N with a thickness of czm was performed.
■ 超音波洗浄、フレオンガス洗浄ついでイオンボンバ
ードメントを施す通常の処理。■ Regular treatment including ultrasonic cleaning, Freon gas cleaning, and ion bombardment.
■ 鏡面状態のままエレクトロンビーム加熱によって約
350″Cまで加熱。■ Heated to approximately 350″C using electron beam heating while maintaining its mirror surface.
かくして得られた各鋼板の、表面状態および被膜密着性
について調べた結果を表1に示す。Table 1 shows the results of examining the surface condition and film adhesion of each steel plate thus obtained.
表1
*180°曲げを行なってもはく離が全く起こらない直
径同表から明らかなように、イオンプレーティング処理
に先立ってエレクトロンビーム走査による加熱を行った
場合は、低炭素鋼板およびステンレス鋼板のいずれにお
いても、板面全面にわたって均一でかつ黄金色に輝く美
麗な表面が得られ、しかも密着性も、曲げ試験後走査型
電顕観察を行っても全くはく離が観察されないほど、極
めて良好であった。Table 1 * Diameters at which no delamination occurs even after 180° bending A beautiful, uniform, golden-colored surface was obtained over the entire board surface, and the adhesion was so good that no peeling was observed even when observed with a scanning electron microscope after the bending test. .
一方、超音波洗浄、フレオンガス洗浄ついでイオンボン
バードメントを施す通常の処理を行った後にTiNコー
ティングを行った場合には鋼板の一部のところどころに
若干のコーティングむらがみられると共に、密着性もエ
レクトロンビーム7JOPiを施した場合と比較すると
極めて悪かった(この曲げ後走査型電顕観察を行ったと
ころ若干のはく離が観察された)。On the other hand, when TiN coating is applied after the usual treatment of ultrasonic cleaning, Freon gas cleaning, and ion bombardment, some coating unevenness is observed in some parts of the steel plate, and the adhesion is also poor due to electron beam radiation. Compared to the case where 7JOPi was applied, the result was extremely poor (slight peeling was observed when observed with a scanning electron microscope after this bending).
次にC: 0.013%、Mn : 0.33%、Cr
: 16.3%およびMo:2.1%を含有する組成
になるステンレス鋼の熱延板(2,21mW)を冷延・
再結晶を施したのち0.51重X 500mm X 5
00mmの大きさに切出し、ついでこの試料表面を電解
研摩により中心線平均粗さRaで0.05μmの鏡片状
態に仕上げた後、イオンプレーティング装置(EB +
RF法)を用いてTiNのイオンプレーティング(コー
ティング条件:加速電圧: 10kV、電流: 700
mA、 コーティング温度:400℃)を行った。な
おコーティング前の前処理として、エレクトロンビーム
加熱により鋼板表面を50℃から800 ’Cまでの種
々の温度に加熱した。Next, C: 0.013%, Mn: 0.33%, Cr
: A hot-rolled stainless steel plate (2.21 mW) having a composition containing 16.3% and 2.1% Mo was cold-rolled.
After recrystallization, 0.51 weight x 500mm x 5
The sample surface was electrolytically polished to a mirror piece with a center line average roughness Ra of 0.05 μm, and then processed using an ion plating device (EB +
TiN ion plating (coating conditions: acceleration voltage: 10 kV, current: 700 kV) using RF method)
mA, coating temperature: 400°C). As a pretreatment before coating, the surface of the steel plate was heated to various temperatures from 50°C to 800'C by electron beam heating.
かくして得られたTiN被膜付きステンレス鋼板の表面
外観および被膜密着性について調べた結果を表2に示す
。Table 2 shows the results of examining the surface appearance and coating adhesion of the thus obtained TiN coated stainless steel plate.
○ 良好
Δ やや不良
X 不良
同表から明らかなように、イオンプレーティン処理に先
立ち鋼板表面をエレクトロンビーム走査によって100
〜600 ’C好ましくは300〜500℃の範囲に加
熱することによって、表面外観および密着性が著しく向
上している。○ Good Δ Slightly poor
By heating to 600'C, preferably 300 to 500C, the surface appearance and adhesion are significantly improved.
(作 用)
この発明に従いイオンプレーティング処理に先立ってエ
レクトロンビーム加熱を行うことによって表面外観およ
び密着性の優れた鋼板が得られるが、この理由は、
■ 鋼板の表面上のビーム走査によって鋼板の汚れを除
去して鋼板表面を極めて清浄にする効果がある、
■ 鋼板の温度を上昇させることで密着性を上げること
ができる、
■ 鋼板表面上の凸部を溶解しくマイクロメルト)鋼板
全面を均一にする作用がある、
ためと考えられる。(Function) By performing electron beam heating prior to ion plating according to the present invention, a steel plate with excellent surface appearance and adhesion can be obtained. It has the effect of removing dirt and making the surface of the steel plate extremely clean. ■ It can increase the adhesion by increasing the temperature of the steel plate. ■ It melts the convex parts on the surface of the steel plate and evenly distributes the entire surface of the steel plate. This is thought to be because it has the effect of increasing
なおこの発明に従う手法は通常のセラミック被覆鋼板一
般の手法に広く適用できるが、通常Cが0.1%以下の
低炭素冷延鋼およびステンレス鋼を熱延して熱延板とし
たのち、酸洗し、ついで冷延・再結晶処理を施したもの
が有利に使用できる。The method according to the present invention can be widely applied to general methods for ordinary ceramic-coated steel sheets, but after hot-rolling low-carbon cold-rolled steel and stainless steel, which usually have a C content of 0.1% or less, the method is applied to acid-coated steel sheets. Those that have been washed, then cold-rolled and recrystallized can be advantageously used.
(実施例)
C: 0.048%、Mn : 0.35%、P :
0.009%およびS : 0.008%を含有す
る組成になる低炭素冷延鋼板の熱延板(2、2ma厚)
を、冷間圧延により0.8朋厚の最終冷延板として、そ
の後800℃で1分間の再結晶焼鈍を施した後、電解研
摩により中心線平均粗さRaで0.5μmの鏡面仕上げ
を行った。その後400℃のEB加熱を施した後、連続
イオンプレーティング装置を用いてTi(C,N)のコ
ーティング(2,5μm厚)を行った。(Example) C: 0.048%, Mn: 0.35%, P:
Hot-rolled low carbon cold rolled steel sheet (2.2ma thick) with a composition containing 0.009% and S: 0.008%
was cold-rolled into a final cold-rolled plate with a thickness of 0.8 mm, then recrystallized at 800°C for 1 minute, and then electrolytically polished to a mirror finish with a centerline average roughness Ra of 0.5 μm. went. After that, EB heating at 400° C. was performed, and then Ti(C,N) coating (2.5 μm thick) was performed using a continuous ion plating device.
かくして得られた製品板の表面外観および密着性は共に
きわめて良好であった。The surface appearance and adhesion of the thus obtained product plate were both extremely good.
(発明の効果)
かくしてこの発明によれば、密着性および表面性状にイ
■れたセラミック被膜付き低炭素鋼板およびステンレス
鋼板を容易に得ることができる。(Effects of the Invention) Thus, according to the present invention, it is possible to easily obtain a ceramic coated low carbon steel plate and stainless steel plate with improved adhesion and surface properties.
Claims (1)
鋼板の表面に、イオンプレーティングによってセラミッ
ク被膜を被成するに際し、上記イオンプレーティング処
理に先立ち、 該鋼板表面に100〜600℃の温度範囲におけるエレ
クトロンビーム加熱を施すことを特徴とする、密着性に
優れたセラミック被膜をそなえる低炭素鋼板およびステ
ンレス鋼板の製造方法。[Claims] 1. When forming a ceramic coating by ion plating on the surface of a low carbon steel plate or stainless steel plate that has undergone surface cleaning treatment, prior to the ion plating treatment, the surface of the steel plate is coated with A method for producing a low carbon steel sheet and a stainless steel sheet having a ceramic coating with excellent adhesion, the method comprising applying electron beam heating in a temperature range of 600°C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16671786A JPS6324053A (en) | 1986-07-17 | 1986-07-17 | Production of low carbon steel sheet and stainless steel sheet provided with ceramic film having superior adhesion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16671786A JPS6324053A (en) | 1986-07-17 | 1986-07-17 | Production of low carbon steel sheet and stainless steel sheet provided with ceramic film having superior adhesion |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6324053A true JPS6324053A (en) | 1988-02-01 |
Family
ID=15836451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16671786A Pending JPS6324053A (en) | 1986-07-17 | 1986-07-17 | Production of low carbon steel sheet and stainless steel sheet provided with ceramic film having superior adhesion |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6324053A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0572673A1 (en) * | 1991-11-21 | 1993-12-08 | Nisshin Steel Co., Ltd. | Method of forming layer of evaporation coating |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4974638A (en) * | 1972-10-24 | 1974-07-18 | ||
JPS6077970A (en) * | 1983-10-05 | 1985-05-02 | Sumitomo Electric Ind Ltd | Physical vapor deposition pretreatment to clean surface of material for vapor deposition |
JPS6089562A (en) * | 1983-10-19 | 1985-05-20 | Sumitomo Electric Ind Ltd | Pretreatment before physical vapor deposition |
-
1986
- 1986-07-17 JP JP16671786A patent/JPS6324053A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4974638A (en) * | 1972-10-24 | 1974-07-18 | ||
JPS6077970A (en) * | 1983-10-05 | 1985-05-02 | Sumitomo Electric Ind Ltd | Physical vapor deposition pretreatment to clean surface of material for vapor deposition |
JPS6089562A (en) * | 1983-10-19 | 1985-05-20 | Sumitomo Electric Ind Ltd | Pretreatment before physical vapor deposition |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0572673A1 (en) * | 1991-11-21 | 1993-12-08 | Nisshin Steel Co., Ltd. | Method of forming layer of evaporation coating |
EP0572673A4 (en) * | 1991-11-21 | 1995-03-01 | Nisshin Steel Co Ltd | Method of forming layer of evaporation coating. |
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