JPH01294892A - Conductor roll for electroplating - Google Patents
Conductor roll for electroplatingInfo
- Publication number
- JPH01294892A JPH01294892A JP12680688A JP12680688A JPH01294892A JP H01294892 A JPH01294892 A JP H01294892A JP 12680688 A JP12680688 A JP 12680688A JP 12680688 A JP12680688 A JP 12680688A JP H01294892 A JPH01294892 A JP H01294892A
- Authority
- JP
- Japan
- Prior art keywords
- roll
- electroplating
- sintered body
- conductor
- lining layer
- 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
- 239000004020 conductor Substances 0.000 title claims abstract description 16
- 238000009713 electroplating Methods 0.000 title claims abstract description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 9
- 229910001182 Mo alloy Inorganic materials 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 13
- 239000002245 particle Substances 0.000 abstract description 8
- 239000000919 ceramic Substances 0.000 abstract description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- -1 <=2% Si Chemical class 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 238000005245 sintering Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241001268311 Icta Species 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、耐食性、耐摩耗性にすぐれた電気めっき用コ
ンダククロールに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to conductor crawl for electroplating which has excellent corrosion resistance and wear resistance.
連続電気めっきに使用されるコンダククロール（通電ロ
ール）の胴部表面は、通電状態のもとで接触するめっき
液（強酸性腐食液）に対する良好な腐食抵抗性（通電腐
食抵抗性）を有していることが必要であり、また被めっ
き原板（通板材）との接触に耐える十分な摩耗抵抗性を
も兼ね備えていることが要求される。The body surface of conductor rolls (current-carrying rolls) used for continuous electroplating has good corrosion resistance (current-carrying corrosion resistance) against plating solutions (strongly acidic corrosive liquids) that come into contact with them under energized conditions. It is also required to have sufficient abrasion resistance to withstand contact with the original plate to be plated (passing material).
従来、このコンダククロールの胴部材料として、１６Ｃ
ｒ −１６Ｍ ｏ −４Ｗ−Ｎ ｉ系ニッケル基合金で
ある「ハステロイＣ」相当合金の鋳造品が賞月されてき
た。Conventionally, 16C was used as the material for the body of this conductor crawl.
Cast products of an alloy equivalent to "Hastelloy C", which is a nickel-based alloy of the r-16Mo-4W-Ni system, have been prized.
近時、自動車用めっき鋼板の要求品質の高度化、あるい
はめっきラインの生産性向上等の要請から、めっき操業
条件は大きく変化しつつあり、例えばめっき液組成の低
ｐＨ化や、めっき原板として高張力鋼板の採用等が進み
、また高通電量化、通板速度の高速度化が行われる等、
コンダククロールの使用条件は一層多様化・苛酷化の傾
向にある。In recent years, plating operating conditions have been changing significantly due to demands for higher quality requirements for plated steel sheets for automobiles and for improved productivity of plating lines. The adoption of tensile steel plates, etc. is progressing, as well as higher current flow rates and faster plate threading speeds.
The conditions under which conductac crawls are used are becoming more diverse and severe.
従来のコンダククロールでは、このようなつき条件の変
化に十分に対処し得ず、胴部表面の通電腐食抵抗性や耐
摩耗性の不足による耐用寿命の低下を余儀なくされ、こ
れに伴うロール取替えや胴部表面の再研磨加工等に要す
るメンテナンスは、連続電気めっきの生産性や製造コス
トに多大の影響を及ぼしている。Conventional conductor crawlers cannot adequately cope with such changes in bonding conditions, and are forced to shorten their useful life due to lack of galvanic corrosion resistance and abrasion resistance on the surface of the body, resulting in roll replacement and body replacement. The maintenance required for repolishing the surface of a part has a great impact on the productivity and manufacturing cost of continuous electroplating.
本発明は上記課題を解決するための改良されたコンダク
タロールを提供するものである。The present invention provides an improved conductor roll to solve the above problems.
〔課題を解決するための手段および作用〕本発明の電気
めっき用コンダクタロールは、モリブデンまたはモリブ
デン合金粉末の焼結体からなるライニング層がロール胴
部表面に形成されていることを特徴としている。[Means and effects for solving the problems] The conductor roll for electroplating of the present invention is characterized in that a lining layer made of a sintered body of molybdenum or molybdenum alloy powder is formed on the surface of the roll body.
モリブデン（Ｍｏ）は、強酸性腐食液に対し、極めて強
力かつ安定な腐食抵抗性を示す。しかも、その硬度は、
Ｈｖ （１０ｋｇ）約１０００以上、と極めて硬質であ
り、卓抜した摩耗抵抗性を有している。Molybdenum (Mo) exhibits extremely strong and stable corrosion resistance against strongly acidic corrosive liquids. Moreover, its hardness is
It is extremely hard, with a Hv (10 kg) of approximately 1000 or more, and has outstanding abrasion resistance.
また、モリブデン合金、例えば、２％以下のＳｉ、６０
％以下のＴｉ、６０％以下のＶ等の１種または２種以上
を含有するモリブデン合金粉末からなる焼結体ライニン
グ層も上記モリブデンの焼結体ライニング層と同等ない
しそれをこえる腐食抵抗性と高硬度を示す。Also, molybdenum alloys, such as 2% or less Si, 60
A sintered body lining layer made of a molybdenum alloy powder containing one or more of Ti, 60% or less, and V, etc., also has corrosion resistance equivalent to or exceeding that of the molybdenum sintered body lining layer. Shows high hardness.
上記のようにモリブデンまたはモリブデン合金（以下、
単に「モリブデン」）粒子の焼結体は、その高い硬度に
よるすぐれた摩耗抵抗性を有しているが、所望により、
分散相粒子として、例えば炭化物（Ｔ ｔ Ｃ，Ｎ ｂ
ｃ、 ｃ ｒ：ｌｃ２等）、窒化物（ＴｉＮ、ＢＮ
等）、酸化物（Ｔ ｉ Ｏｚ、 Ｚ ｒ ０２等）、
硼化物（Ｔ ｉ Ｂｔ、 Ｚ ｒ Ｂｚ等）、珪化物
（ＭｏＳｉｚ。As mentioned above, molybdenum or molybdenum alloy (hereinafter referred to as
Sintered bodies of particles (simply "molybdenum") have excellent wear resistance due to their high hardness, but if desired,
Examples of dispersed phase particles include carbides (T t C, N b
c, cr: lc2, etc.), nitrides (TiN, BN
etc.), oxides (T i Oz, Z r 02, etc.),
Borides (T i Bt, Z r Bz, etc.), silicides (MoSiz.
ＣｒｚＳｉ、Ｔｉ５ｉｚ等）のセラミック粒子（粒径：
１０〜１００μｍ）を少量（例えば、５〜３０容■％）
混在させた複合焼結体とすることにより、その硬度は更
に高められる。CrzSi, Ti5iz, etc.) ceramic particles (particle size:
10-100 μm) in small amounts (for example, 5-30 volume ■%)
By forming a composite sintered body in which these materials are mixed, the hardness of the composite sintered body can be further increased.
ロール胴部を被覆する上記焼結体であるライニング層の
層厚は任意であるが、約１０ｍｍを越える必要はなく、
通常約３〜５胴の層厚で十分な耐久性を得ることができ
る。The thickness of the lining layer, which is the sintered body covering the roll body, is arbitrary, but it does not need to exceed about 10 mm.
Usually a layer thickness of about 3 to 5 layers can provide sufficient durability.
第１図は本発明のコンダクタロールの胴部（スリーブ）
の断面構造を示している。その胴部（１０）は、胴部基
材（１１）とその外周面に形成された焼結体であるライ
ニング層（１２）とからなる二層構造を有している。な
お、（２０，２０）は胴部（１０）の両側に取付けられ
たロールエンドである。Figure 1 shows the body (sleeve) of the conductor roll of the present invention.
The cross-sectional structure is shown. The body (10) has a two-layer structure consisting of a body base material (11) and a lining layer (12) which is a sintered body formed on the outer peripheral surface of the body base material (11). Note that (20, 20) are roll ends attached to both sides of the body (10).
ロール胴部（１０）の基材（１１）はライニング層（１
２）で被覆保護されているので、その材質は、従来の胴
部材料であるハステロイＣ合金等である必要はなく、例
えばオーステナイト系ステンレス鋼等の合金鋼、あるい
は構造用炭素鋼などであってよい。The base material (11) of the roll body (10) has a lining layer (1
2), the material does not have to be Hastelloy C alloy, which is the conventional material for the body, but can be made of alloy steel such as austenitic stainless steel, or structural carbon steel. good.
胴部基材（１１）の外周面を被覆するライニング層（１
２）は、モリブデン粉末、または所望により添加される
セラミック粒子との混合粉末を焼結原料とし、ホットプ
レス法、または熱間静水圧加圧焼結法等の公知の焼結法
を適用して形成することができる。例えば、熱間静水圧
加圧焼結法による場合、焼結温度１１００〜１３００°
Ｃ１加圧力８００〜１２００ｋｇ ｒ ／ｄとし、適当
時間（例えば２〜８時間）保持することにより好適な焼
結処理が達成される。A lining layer (1) that covers the outer peripheral surface of the trunk base material (11).
2) uses molybdenum powder or a mixed powder with ceramic particles added as desired as a sintering raw material, and applies a known sintering method such as a hot press method or a hot isostatic pressure sintering method. can be formed. For example, when using the hot isostatic pressure sintering method, the sintering temperature is 1100 to 1300°.
A suitable sintering process is achieved by setting C1 pressure to 800 to 1200 kg r /d and maintaining it for an appropriate time (for example, 2 to 8 hours).
モリブデン粉末（粒径ｌＯ〜５０μｍ）を焼結原料とし
、加圧力１２００ｋｇ／ｄ、温度１１５０°Ｃ１保持時
間２時間の熱間静水圧加圧焼結法により炭素鋼板表面に
焼結層（Ｎ厚：５胴）を形成して供試材（発明例）を得
た。また、比較例として従来の代表的な胴部材料である
「ハステロイＣ」相当のニッケル基合金（１６Ｃｒ −
１６Ｍ ｏ −４Ｗ−Ｎ ｉ）の遠心力鋳造材を準備し
た。各供試材より試験片を切り出し、各々について表面
硬度を測定すると共に、通電腐食試験を行って下記の結
果を得た。A sintered layer (N thickness :5 cylinder) was formed to obtain a test material (invention example). In addition, as a comparative example, we used a nickel-based alloy (16Cr-
A centrifugally cast material of 16M o -4W-N i) was prepared. A test piece was cut out from each sample material, and the surface hardness of each piece was measured, and a galvanic corrosion test was conducted to obtain the following results.
１１微文成駿
試験液として、２３ｇ／１ＨｚＳＯ４５０ｇ／ＩＦｅｚ
（ＳＯ４）３の組成を有する加温した強酸性腐食液（ｐ
Ｈ：約０．８、液？！：６０°Ｃ）を使用し、その液中
に、試験片〔被試験面積：ＩＣＴＡ〕を浸漬してこれを
陰極とし、陽極（Ｐｔ）との間に、電流密度ＩＡ／ｃｎ
ｉのパルス電流（０，２秒間通電−０．６秒間通電停止
の繰り返し）を流し、２４時間経過後の試験片の腐食減
量を測定し、腐食速度（ｍ／ｙｅａｒ）を求めた。11 Weibun Cheng Shun test liquid: 23g/1HzSO450g/IFez
A warmed strongly acidic corrosive liquid (p
H: about 0.8, liquid? ! : 60°C), immerse a test piece [test area: ICTA] in the solution, use it as a cathode, and apply a current density IA/cn between it and the anode (Pt).
A pulse current of i (repetition of energization for 0.2 seconds and energization stop for 0.6 seconds) was applied, and the corrosion loss of the test piece after 24 hours was measured to determine the corrosion rate (m/year).
上記のように、本発明コンダクタロールの胴部表面のラ
イニング層をなすモリブデン粒子の焼結体は、従来のコ
ンダクタロールの代表的胴部材料である「ハステロイＣ
Ｊ相当合金に比し、通電腐食量が著しく少なく、また耐
摩耗性の指標となる表面硬度も極めて高いレベルを示し
ている。As mentioned above, the sintered body of molybdenum particles forming the lining layer on the body surface of the conductor roll of the present invention is made of "Hastelloy C", which is a typical body material of conventional conductor rolls.
Compared to J-equivalent alloys, the amount of galvanic corrosion is significantly lower, and the surface hardness, which is an indicator of wear resistance, is also at an extremely high level.
〔発明の効果］
本発明の電気めっき用コンダククロールは、その胴部表
面のライニング層によるすぐれて安定した耐通電腐食性
と摩耗抵抗性とを備えており、近時の多様化・苛酷化す
るめっき操業条件に十分に対処することができ、長期に
亘って、平滑美麗な表面状態を保持し、従来のコンダク
クロールを凌ぐ安定した耐用寿命を保証する。これによ
り、連続電気めっき操業における生産性の向上・安定化
、ロール取替え・再研磨加工等のメンテナンスの大幅軽
減によるコスト低減効果が得られる。[Effects of the Invention] The conductor crawl for electroplating of the present invention has excellent and stable galvanic corrosion resistance and abrasion resistance due to the lining layer on the surface of its body, and is suitable for use in the recent diversification and harshness. It can fully handle plating operating conditions, maintains a smooth and beautiful surface over a long period of time, and guarantees a stable service life that exceeds conventional conductor crawling. This improves and stabilizes productivity in continuous electroplating operations, and reduces costs by significantly reducing maintenance such as roll replacement and repolishing.
第１図は本発明のコンダククロールの胴部断面構造を模
式的に示す図である。
１０：ロール胴部、１１：胴部基材、１２ニライニング
層、２０：ロールエンド。FIG. 1 is a diagram schematically showing the cross-sectional structure of the trunk of the conductor crawl of the present invention. 10: roll body, 11: body base material, 12 lining layer, 20: roll end.
Claims (1)
合金粉末の焼結体からなるライニング層が形成されてい
ることを特徴とする電気めっき用コンダクタロール。1. A conductor roll for electroplating, characterized in that a lining layer made of a sintered body of molybdenum or molybdenum alloy powder is formed on the surface of the roll body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12680688A JPH01294892A (en) | 1988-05-23 | 1988-05-23 | Conductor roll for electroplating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12680688A JPH01294892A (en) | 1988-05-23 | 1988-05-23 | Conductor roll for electroplating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01294892A true JPH01294892A (en) | 1989-11-28 |
Family
ID=14944422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12680688A Pending JPH01294892A (en) | 1988-05-23 | 1988-05-23 | Conductor roll for electroplating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01294892A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436930A (en) * | 2013-08-12 | 2013-12-11 | 上海应用技术学院 | Electroplating liquid used for forming nickel molybdenum rare earth-molybdenum disilicide composite plating, and preparation method and application thereof |
| CN103436924A (en) * | 2013-08-12 | 2013-12-11 | 上海应用技术学院 | Electroplating liquid used for forming nickel molybdenum-molybdenum disilicide composite plating, and preparation method and application of electroplating liquid |
-
1988
- 1988-05-23 JP JP12680688A patent/JPH01294892A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436930A (en) * | 2013-08-12 | 2013-12-11 | 上海应用技术学院 | Electroplating liquid used for forming nickel molybdenum rare earth-molybdenum disilicide composite plating, and preparation method and application thereof |
| CN103436924A (en) * | 2013-08-12 | 2013-12-11 | 上海应用技术学院 | Electroplating liquid used for forming nickel molybdenum-molybdenum disilicide composite plating, and preparation method and application of electroplating liquid |
| CN103436930B (en) * | 2013-08-12 | 2016-04-27 | 上海应用技术学院 | A kind of electroplate liquid for the formation of nickel molybdenum rare earth-molybdenum disilicide composite deposite and its preparation method and application |
| CN103436924B (en) * | 2013-08-12 | 2016-04-27 | 上海应用技术学院 | A kind of electroplate liquid for the formation of nickel molybdenum-molybdenum disilicide composite deposite and its preparation method and application |
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