JPS63100162A - Roll for hot dipping in molten metal having superior metal pickup resistance - Google Patents
Roll for hot dipping in molten metal having superior metal pickup resistanceInfo
- Publication number
- JPS63100162A JPS63100162A JP24407686A JP24407686A JPS63100162A JP S63100162 A JPS63100162 A JP S63100162A JP 24407686 A JP24407686 A JP 24407686A JP 24407686 A JP24407686 A JP 24407686A JP S63100162 A JPS63100162 A JP S63100162A
- Authority
- JP
- Japan
- Prior art keywords
- roll
- silicic anhydride
- metal
- molten metal
- film
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000007598 dipping method Methods 0.000 title abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007747 plating Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 4
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 abstract description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000084 colloidal system Substances 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 150000001412 amines Chemical class 0.000 abstract description 2
- 239000011882 ultra-fine particle Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Coating With Molten Metal (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は耐メタルピックアツプ性に優れた溶融金属メッ
キ用ロールに関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a roll for molten metal plating that has excellent metal pick-up resistance.
（従来の技術及び問題点）
通常、溶融金属メッキ浴直後のロールや浴内ロールは耐
食性、耐摩耗性を向上させるためにその表面に自溶合金
を溶射し、再溶融処理を施した後使用されているが、溶
融金属の付着面に合金化（以下メタルピンクアップと称
する）が起り、通板材に傷を付けやすい欠点がある。こ
れを防止するため、セラミックスなどの溶射ロールが試
みられているが、溶射皮膜内には無数の気孔や微細なり
ランクが存在するため、金属の浸透および物理的吸着を
生じ、メタルピックアップが生ずる。そこで、溶射皮膜
内の無数の気孔や微細なりラックを封孔処理によって充
填しようという試みが種々なされている。しかし、使用
温度が通常、３５０℃以上であるため一般の封孔処理剤
の使用温度限界（２００℃）を越えている。(Conventional technology and problems) Usually, rolls immediately after a molten metal plating bath or rolls in a bath are sprayed with a self-fluxing alloy on their surfaces to improve corrosion resistance and wear resistance, and then remelted before use. However, it has the drawback that alloying (hereinafter referred to as metal pink-up) occurs on the surface to which molten metal is attached, which tends to damage the threaded material. To prevent this, thermal spray rolls made of ceramics or the like have been tried, but because there are countless pores and fine ranks within the thermal spray coating, metal penetration and physical adsorption occur, resulting in metal pickup. Therefore, various attempts have been made to fill the countless pores and microscopic racks in the sprayed coating through pore sealing treatment. However, the operating temperature is usually 350°C or higher, which exceeds the operating temperature limit (200°C) of general sealing agents.
高温での封孔処理剤として考えられているものに珪酸ソ
ーダやリン酸アルミニウムなどがあるが、これらは加熱
時に発泡するため溶射皮膜が割れたりはく離したりして
封孔が不完全になる。これらの点に留意して種々実験を
試みた結果、本発明を完成した。Sodium silicate and aluminum phosphate are considered as pore sealing agents at high temperatures, but since these foam when heated, the sprayed coating may crack or peel off, resulting in incomplete pore sealing. As a result of various experiments with these points in mind, the present invention was completed.
（問題点を解決するための手段）
本発明の要旨とするところは、溶射ロールに純粋な無水
珪酸のコロイド溶液を用いて封孔処理を施したことを特
徴とする耐メタルピックアツプ性に優れた溶融金属メッ
キ用ロールにある。(Means for Solving the Problems) The gist of the present invention is to provide excellent metal pick-up resistance, characterized in that a thermal spray roll is sealed using a colloidal solution of pure silicic anhydride. It is in a roll for molten metal plating.
本発明で使用する無水珪酸のコロイド溶液は無水珪酸を
超微粒子化して水中に分散させたもので、化学反応によ
る発泡がなく、分散質に水を使用しているため溶射皮膜
内に毛細管現象で容易に浸透する。更に浸透性を高める
ためには分散質にアルコールを１〜２０％添加すればよ
い、アルコールを２０％以上添加すると溶媒和している
無水珪酸のコロイドは分散質とのイオン結合がアルコー
ルとの結合に置換されるため無水珪酸が塩析する。The colloidal solution of silicic anhydride used in the present invention is made by dispersing silicic anhydride into ultra-fine particles in water, and there is no foaming due to chemical reactions, and since water is used as the dispersoid, capillary action occurs within the sprayed coating. Penetrates easily. In order to further increase the permeability, it is sufficient to add 1 to 20% alcohol to the dispersoid.If more than 20% alcohol is added, the solvated silicic anhydride colloid will have an ionic bond with the dispersoid and a bond with the alcohol. silicic anhydride salts out.
コロイドを安定化するためにホルムアミド、エチルアミ
ン、エタノールアミンのようなアミン類を１〜１０％添
加することができる。ただし、１０％以上添加すると塩
析を起し易くなる。Amines such as formamide, ethylamine, ethanolamine can be added in an amount of 1-10% to stabilize the colloid. However, if it is added in an amount of 10% or more, salting out tends to occur.
無水珪酸のコロイド溶液により封孔された溶射ロールは
分散質が気化した後、無水珪酸が溶射皮膜内の気孔およ
び微細なりラックに結晶として封孔されたものになる。In a thermal spray roll whose pores have been sealed with a colloidal solution of silicic anhydride, after the dispersoid has vaporized, the silicic anhydride has sealed the pores and fine racks in the thermal sprayed coating as crystals.
無水珪酸は化学的に安定で高温下においても酸化、還元
されることなく、封孔効果を失なわない。従って、加熱
時に発泡して皮膜に割れやはく離を発生することもなく
封孔処理を行うことができる。分散質を気化させるとき
、常温で自然気化させるとコロイド溶液の濃度が徐々に
高くなり、析出時に大きな結晶となるため封孔効果が向
上する。以上述べたように本発明の無水珪酸のコロイド
溶液を用いて封孔処理を行うことにより耐メタルピック
アツプ性に著しく優れた溶融金属メッキ用ロールかえら
れる。Silicic anhydride is chemically stable and does not oxidize or reduce even at high temperatures, and does not lose its sealing effect. Therefore, the sealing process can be performed without causing cracking or peeling of the film due to foaming during heating. When vaporizing the dispersoid, if it is naturally vaporized at room temperature, the concentration of the colloidal solution will gradually increase, and when it is precipitated, it will form large crystals, which will improve the sealing effect. As described above, by carrying out the sealing treatment using the colloidal solution of silicic anhydride of the present invention, it is possible to replace a roll for molten metal plating with extremely excellent metal pick-up resistance.
以下実施例について説明する。Examples will be described below.
（実施例） 封孔処理剤は無水珪酸２０％のコロイド溶液を用いた。(Example) A colloidal solution of 20% silicic anhydride was used as the sealing agent.
次に封孔処理工程は、（イ）常温で溶射皮膜表面に塗布
、（ロ）乾燥するまで３０分自然放置、（ハ）上記（イ
）（ロ）を１０回繰返す、（ニ）表面仕上げ研摩、（ホ
）上記（イ）〜（ハ）を繰返す、（へ）サンドペーパ＃
２４０で溶射皮膜表面に付着した余剰の珪酸の除去、の
各工程からなる。Next, the sealing process consists of (a) applying it to the surface of the sprayed coating at room temperature, (b) leaving it naturally for 30 minutes until dry, (c) repeating the above (a) and (b) 10 times, and (d) finishing the surface. Polishing, (e) Repeat steps (a) to (c) above, (f) Sandpaper #
The process consists of steps 240 and 240, in which excess silicic acid adhering to the surface of the thermal spray coating is removed.
以上の封孔処理を実機に適用した結果を第１表に示した
。本発明の無水珪酸封孔処理したロールは封孔処理のな
いロールと比べて、溶融金属の浸入や物理的吸着がない
ため耐メタルピックアツプ性が著しく向上し、ロールの
連続使用期間を大幅に延長することができた。Table 1 shows the results of applying the above sealing process to an actual machine. Compared to rolls without sealing, the rolls sealed with silicic anhydride of the present invention have significantly improved metal pick-up resistance due to no penetration of molten metal or physical adsorption, significantly extending the continuous use period of the rolls. I was able to extend it.
Claims (1)
用いて封孔処理を施してなることを特徴とする耐メタル
ピックアップ性に優れた溶融金属メッキ用ロール。A roll for molten metal plating with excellent metal pick-up resistance, characterized in that the thermal spray coating layer on the roll surface is sealed using a colloidal solution of silicic anhydride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24407686A JPH0811819B2 (en) | 1986-10-16 | 1986-10-16 | Roll for molten metal plating with excellent metal pick-up resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24407686A JPH0811819B2 (en) | 1986-10-16 | 1986-10-16 | Roll for molten metal plating with excellent metal pick-up resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63100162A true JPS63100162A (en) | 1988-05-02 |
| JPH0811819B2 JPH0811819B2 (en) | 1996-02-07 |
Family
ID=17113376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24407686A Expired - Lifetime JPH0811819B2 (en) | 1986-10-16 | 1986-10-16 | Roll for molten metal plating with excellent metal pick-up resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811819B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0344455A (en) * | 1989-07-12 | 1991-02-26 | Sumitomo Metal Ind Ltd | Highly corrosion resistant roll and its production |
| JPH05171402A (en) * | 1991-11-06 | 1993-07-09 | Asahi Kagaku Kogyo Kk | Roll having corrosion resistance to molten metal |
| JPH06228721A (en) * | 1992-12-02 | 1994-08-16 | Praxair St Technol Inc | Melting resistant metal eroding sealing material and production thereof |
| JP2012007209A (en) * | 2010-06-25 | 2012-01-12 | Kubota Corp | Surface treated ferrous member and method for treating surface of ferrous member |
-
1986
- 1986-10-16 JP JP24407686A patent/JPH0811819B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0344455A (en) * | 1989-07-12 | 1991-02-26 | Sumitomo Metal Ind Ltd | Highly corrosion resistant roll and its production |
| JPH05171402A (en) * | 1991-11-06 | 1993-07-09 | Asahi Kagaku Kogyo Kk | Roll having corrosion resistance to molten metal |
| JPH06228721A (en) * | 1992-12-02 | 1994-08-16 | Praxair St Technol Inc | Melting resistant metal eroding sealing material and production thereof |
| JP2012007209A (en) * | 2010-06-25 | 2012-01-12 | Kubota Corp | Surface treated ferrous member and method for treating surface of ferrous member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811819B2 (en) | 1996-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4762573A (en) | Fluxing agent and soldering process | |
| JPS63100162A (en) | Roll for hot dipping in molten metal having superior metal pickup resistance | |
| JPH0794853A (en) | Solder coating method on metal terminal of printed wiring board | |
| JPH01222198A (en) | Heat transfer member and manufacture thereof | |
| US2671737A (en) | Aluminum coating process and flux | |
| JPH02243749A (en) | Coating process with melting of metal | |
| JPS63100169A (en) | Heat treatment furnace hearth roll having excellent build-up resistance | |
| US1165338A (en) | Process of plating cast iron or steel. | |
| US4177303A (en) | Method of galvanizing a portion only of a ferrous metal article | |
| DE3781416D1 (en) | LIQUID DISPERSION COMPOSITION AND METHOD FOR POLISHING IRONED COMPONENTS. | |
| US2738289A (en) | Hot dip aluminum coating process | |
| US1990009A (en) | Noncorrodible metallic wool | |
| US280466A (en) | Jambs anthony graham | |
| JPS61133382A (en) | Formation of copper film on al or al alloy material | |
| KR100418444B1 (en) | Manufacturing method of embossing-roller | |
| US1157569A (en) | Process of plating or decorating chinaware or glassware. | |
| US2944946A (en) | Catalytic element and method of manufacturing such elements | |
| US2144798A (en) | Tinning compound | |
| JPS6082692A (en) | Pretreatment for reflowing after tinning | |
| JPH0344455A (en) | Highly corrosion resistant roll and its production | |
| JPS59118874A (en) | Method for roughening surface of copper | |
| Daniels | Factors influencing the formation and structure of hot-dipped tin coatings | |
| El-Mallah et al. | Structure of electroless nickel deposits from baths containing sodium hypophosphite and potassium borohydride | |
| US1894169A (en) | Process for soft coating metals to be submitted to cold deformations | |
| US1431395A (en) | Coating of metals with metals of a lower fusing point |