JPS57143499A - Surface pretreatment of nickel alloy wire rod for plating - Google Patents
Surface pretreatment of nickel alloy wire rod for platingInfo
- Publication number
- JPS57143499A JPS57143499A JP2852981A JP2852981A JPS57143499A JP S57143499 A JPS57143499 A JP S57143499A JP 2852981 A JP2852981 A JP 2852981A JP 2852981 A JP2852981 A JP 2852981A JP S57143499 A JPS57143499 A JP S57143499A
- Authority
- JP
- Japan
- Prior art keywords
- treatment
- degreasing
- alloy wire
- wire rod
- tank
- 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
Abstract
PURPOSE: To obtain uniform satin surfaces of less etch pits in etching treatment to be accomplished in succession to an electrolytic degreasing treatment by subjecting an Ni alloy wire rod as the anode to said degreasing treatment in an aq. NaOH soln.
CONSTITUTION: A degreasing agent is fed from a storage tank 5 having a heater 7 therein to an electrolytic degreasing tank 3 by a pump 6, and the degreasing agent is reflowed into the tank 5. An Ni alloy wire rod 1 passes between the electrodes 4 in the above-mentioned tank 3. The positive electrode of a DC electric power source 8 is connected to the rod 1 through power feed rolls 2 and the negative pole is connected to the above-mentioned electrodes 4. An aq. soln. of ≥60°C liquid temp. contg. 150W250g/lNaOH is used as the degreasing agent, and the electrolytic treatment is accomplished under the conditions of ≥20A/ dm2 cathode current density and (current density)×(treatment time second) ≥100A/dm2.sec.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2852981A JPS57143499A (en) | 1981-02-27 | 1981-02-27 | Surface pretreatment of nickel alloy wire rod for plating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2852981A JPS57143499A (en) | 1981-02-27 | 1981-02-27 | Surface pretreatment of nickel alloy wire rod for plating |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57143499A true JPS57143499A (en) | 1982-09-04 |
Family
ID=12251185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2852981A Pending JPS57143499A (en) | 1981-02-27 | 1981-02-27 | Surface pretreatment of nickel alloy wire rod for plating |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57143499A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102433582A (en) * | 2011-12-30 | 2012-05-02 | 大连三达奥克化学股份有限公司 | Nickel alloy workpiece electrolysis degreasing cleaning agent and preparation method thereof |
-
1981
- 1981-02-27 JP JP2852981A patent/JPS57143499A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102433582A (en) * | 2011-12-30 | 2012-05-02 | 大连三达奥克化学股份有限公司 | Nickel alloy workpiece electrolysis degreasing cleaning agent and preparation method thereof |
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