CN101831675B - Nickel plating process for superconducting materials - Google Patents

Nickel plating process for superconducting materials Download PDF

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Publication number
CN101831675B
CN101831675B CN2010101785805A CN201010178580A CN101831675B CN 101831675 B CN101831675 B CN 101831675B CN 2010101785805 A CN2010101785805 A CN 2010101785805A CN 201010178580 A CN201010178580 A CN 201010178580A CN 101831675 B CN101831675 B CN 101831675B
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superconducting line
nickel
superconducting
nickel plating
neutral
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CN101831675A (en
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樊健
陶云峰
仇士学
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Nantong Shen Hai Industrial Technology Co., Ltd.
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SHENHAI SPECIAL PLATING CO Ltd NANTONG CITY
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Abstract

The invention relates to a nickel plating process for superconducting materials, which comprises three steps of surface treatment before nickel plating, nickel plating and post treatment. In the nickel plating step, superconducting lines which are washed with water to be neutral in the surface treatment before nickel plating are placed into a pre-plating groove filled with 200 to 240g/L NiCl2 and60 to 100mL/L HCl, pre-plated with nickel under 30 to 40 EDG C for 30 to 60 seconds, and then washed with water; the washed superconducting lines are placed in a nickel groove filled with 8 to 12g/L NiCl2, 45 to 55g/L boric acid, 500 to 600mL/L bodying agents, 1.0 to 2.0mL/L wetting agents and 1.5 to 2.5mL/L additives and then plated with nickel in the nickel groove under 55 to 65 DEG C for 30 to60 seconds; and then the post treatment is carried out. The superconducting lines plated by the process has the advantages that the thickness and evenness of the surface of plating layers can meet all index requirements, the conductivity of materials is stable, and the assembling performance is stable.

Description

Nickel plating process for superconducting materials
Technical field
The present invention relates to a kind of nickel plating process for superconducting materials, belong to chemical field.
Background technology
Superconducting material electronickelling technology is the difficulty that present international electroplating industry is just being captured; Mostly diameter is superfine because of superconducting material; In material continuous electroplating process, can't bear the tension force (minimum tension force just possibly cause distortion of materials or fracture) of equipment traction; In addition, superconducting material is electroplated very high to the thickness and the uniformity requirement of coating surface, and existing plating technology can not satisfy the plating needs of superconducting material.
Summary of the invention
The purpose of this invention is to provide insufficient nickel plating process for superconducting materials more than a kind of solution.
The technical scheme that the present invention adopts is:
Nickel plating process for superconducting materials; Comprise plating front surface treatment process, nickel plating process and three steps of postprocessing working procedures; It is characterized in that said nickel plating process is: will plate to wash in the front surface treatment process and put into the preplating groove, and be filled with the NiCL of 200-240g/L in the preplating groove to being the neutral superconducting line 2With the HCL of 60-100mL/L, under 30-40 ℃ environment, carry out nickel preplating 30-60 second, water cleans superconducting line;
Superconducting line after will cleaning is then put into the nickel groove, is filled with the NiCL of 8-12g/L in the said nickel groove 2, the boric acid of 45-55g/L, the bodying agent of 500-600mL/L, the wetting agent of 1.0-2.0mL/L and the additive of 1.5-2.5mL/L, in the nickel groove, superconducting line being carried out Nickel Plating Treatment 30-60 second under 55-65 ℃ the environment, get into postprocessing working procedures then.
Said bodying agent is the aqueous solution of 450-550g/L nickel sulfamic acid, and said wetting agent is the aqueous solution of 150-250g/L sodium lauryl sulphate, said additive be 95-105g/L para toluene sulfonamide and 95-105g/L 1,4-butynediol mixed aqueous solution.
Plating front surface treatment process is: superconducting line is put into pretreatment tank; Amount adding electrochemical deoiling powder by every liter of tank liquor 50-100g under 48-55 ℃ environment carries out electrochemical deoiling 30-60 second to the superconducting line plate surface; Take out the superconducting line of handling well then, wash until being neutral with tap water; The superconducting line of washing is put into pretreatment tank again, superconducting line is carried out pickling 30-60 second, take out the superconducting line of handling well then with the hydrochloric acid of 80-120mL/L, again with the tap water washing until being neutral;
Again superconducting line is put into pretreatment tank; Amount adding electrochemical deoiling powder by every liter of tank liquor 50-100g under 48-55 ℃ environment carries out electrolytic degreasing 30-60 second to the superconducting line plate surface; Take out the superconducting line of handling well then, wash until being neutral with tap water; Again superconducting line is put into pretreatment tank; The sulfuric acid that under 25-35 ℃ environment, adds 40-60mL/L carries out activation treatment to superconducting line, soak time 30-60 second, takes out the superconducting line of handling well then; Until being neutral, get into nickel plating process with the deionized water washing then.
Said postprocessing working procedures is: the superconducting line that nickel plating process is handled well is washed to being neutral with deionized water, under 110-130 ℃ of temperature, dried, taking-up gets product.
The invention has the beneficial effects as follows: adopt the present invention's galvanized superconducting line material coating surface thickness and even performance to satisfy each item index request, the electroconductibility of material, assembling waits the quality requirements stable performance.
Embodiment
Below in conjunction with one embodiment of the present of invention the present invention is described further, present embodiment is merely the effect of the present invention of explaining, not as limiting effect of the present invention:
Embodiment 1
Nickel plating process for superconducting materials; Comprise plating front surface treatment process, nickel plating process and three steps of postprocessing working procedures, the superconducting material overall diameter that need carry out nickel plating in the present embodiment is 0.82mm, and the copper pipe part thickness of pipe of wrapping up on Buddhist nun's silk superconductive compound materials is 0.05mm only; The tension force ability to bear is minimum; Be very easy to fracture, it is 1.5 μ m ± 0.5 μ m that this material surface electroplating thickness requires, and uniformity requirement is high.
Plating front surface treatment process is:
Superconducting line is put into pretreatment tank, and the electrochemical deoiling powder that under 48 ℃ environment, adds label U-151 by the amount of every liter of tank liquor 50g carried out electrochemical deoiling 30 seconds to the superconducting line plate surface, took out the superconducting line of handling well then, with the tap water washing until being neutral; The superconducting line of washing is put into pretreatment tank again, superconducting line was carried out pickling 30 seconds, take out the superconducting line of handling well then with the hydrochloric acid of 80mL/L, again with the tap water washing until being neutral;
Again superconducting line is put into pretreatment tank, under 48 ℃ environment, adopt the electrochemical deoiling powder of label U-152 that the superconducting line plate surface was carried out electrolytic degreasing 30 seconds, take out the superconducting line of handling well then, wash until being neutral with tap water; Again superconducting line is put into pretreatment tank, under 25 ℃ environment, add 40mL/L sulfuric acid superconducting line is carried out activation treatment, soak time 30 seconds takes out the superconducting line of handling well then, until being neutral, gets into nickel plating process with the deionized water washing then.
Nickel plating process is: will plate to wash in the front surface treatment process and put into the preplating groove to being the neutral superconducting line, and be filled with the NiCL of 200g/L in the preplating groove 2With the HCL of 60mL/L, under 30 ℃ environment, carried out nickel preplating 30 seconds, water cleans superconducting line;
Superconducting line after will cleaning is then put into the nickel groove, is filled with the NiCL of 8g/L in the said nickel groove 2, the boric acid of 45g/L, the bodying agent of 500mL/L, the wetting agent of 1.0mL/L and the additive of 1.5mL/L, in the nickel groove, superconducting line being carried out Nickel Plating Treatment 30 seconds under 55 ℃ the environment, get into postprocessing working procedures then.
In this step, bodying agent is the aqueous solution of 450g/L nickel sulfamic acid, and wetting agent is the aqueous solution of 150g/L sodium lauryl sulphate, additive be 95g/L para toluene sulfonamide and 95g/L 1,4-butynediol mixed aqueous solution.
Postprocessing working procedures is: the superconducting line that nickel plating process is handled well is washed to being neutral with deionized water, under 110 ℃ of temperature, dried, taking-up gets product.
Embodiment 2
Nickel plating process for superconducting materials; Comprise plating front surface treatment process, nickel plating process and three steps of postprocessing working procedures, the superconducting material overall diameter that need carry out nickel plating in the present embodiment is 0.82mm, and the copper pipe part thickness of pipe of wrapping up on Buddhist nun's silk superconductive compound materials is 0.05mm only; The tension force ability to bear is minimum; Be very easy to fracture, it is 1.5 μ m ± 0.5 μ m that this material surface electroplating thickness requires, and uniformity requirement is high.
Plating front surface treatment process is:
Superconducting line is put into pretreatment tank, and the electrochemical deoiling powder that under 52 ℃ environment, adds label U-151 by the amount of every liter of tank liquor 80g carried out electrochemical deoiling 45 seconds to the superconducting line plate surface, took out the superconducting line of handling well then, with the tap water washing until being neutral; The superconducting line of washing is put into pretreatment tank again, superconducting line was carried out pickling 45 seconds, take out the superconducting line of handling well then with the hydrochloric acid of 100mL/L, again with the tap water washing until being neutral;
Again superconducting line is put into pretreatment tank, under 52 ℃ environment, adopt the electrochemical deoiling powder of label U-152 that the superconducting line plate surface was carried out electrolytic degreasing 45 seconds, take out the superconducting line of handling well then, wash until being neutral with tap water; Again superconducting line is put into pretreatment tank, under 30 ℃ environment, add 50mL/L sulfuric acid superconducting line is carried out activation treatment, soak time 45 seconds takes out the superconducting line of handling well then, until being neutral, gets into nickel plating process with the deionized water washing then.
Nickel plating process is: will plate to wash in the front surface treatment process and put into the preplating groove to being the neutral superconducting line, and be filled with the NiCL of 220g/L in the preplating groove 2With the HCL of 80mL/L, under 35 ℃ environment, carried out nickel preplating 45 seconds, water cleans superconducting line;
Superconducting line after will cleaning is then put into the nickel groove, is filled with the NiCL of 10g/L in the said nickel groove 2, the boric acid of 50g/L, the bodying agent of 550mL/L, the wetting agent of 1.5mL/L and the additive of 2.0mL/L, in the nickel groove, superconducting line being carried out Nickel Plating Treatment 45 seconds under 60 ℃ the environment, get into postprocessing working procedures then.
In this step, bodying agent is the aqueous solution of 500g/L nickel sulfamic acid, and wetting agent is the aqueous solution of 200g/L sodium lauryl sulphate, additive be 100g/L para toluene sulfonamide and 100g/L 1,4-butynediol mixed aqueous solution.
Postprocessing working procedures is: the superconducting line that nickel plating process is handled well is washed to being neutral with deionized water, under 120 ℃ of temperature, dried, taking-up gets product.
Embodiment 3
Nickel plating process for superconducting materials; Comprise plating front surface treatment process, nickel plating process and three steps of postprocessing working procedures, the superconducting material overall diameter that need carry out nickel plating in the present embodiment is 0.82mm, and the copper pipe part thickness of pipe of wrapping up on Buddhist nun's silk superconductive compound materials is 0.05mm only; The tension force ability to bear is minimum; Be very easy to fracture, it is 1.5 μ m ± 0.5 μ m that this material surface electroplating thickness requires, and uniformity requirement is high.
Plating front surface treatment process is:
Superconducting line is put into pretreatment tank; The electrochemical deoiling powder that under 55 ℃ environment, adds label U-151 by the amount of every liter of tank liquor 100g carried out electrochemical deoiling 60 seconds to the superconducting line plate surface; Take out the superconducting line of handling well then, wash until being neutral with tap water; The superconducting line of washing is put into pretreatment tank again, superconducting line was carried out pickling 60 seconds, take out the superconducting line of handling well then with the hydrochloric acid of 120mL/L, again with the tap water washing until being neutral;
Again superconducting line is put into pretreatment tank, under 55 ℃ environment, adopt the electrochemical deoiling powder of label U-152 that the superconducting line plate surface was carried out electrolytic degreasing 60 seconds, take out the superconducting line of handling well then, wash until being neutral with tap water; Again superconducting line is put into pretreatment tank, under 35 ℃ environment, add 60mL/L sulfuric acid superconducting line is carried out activation treatment, soak time 60 seconds takes out the superconducting line of handling well then, until being neutral, gets into nickel plating process with the deionized water washing then.
Nickel plating process is: will plate to wash in the front surface treatment process and put into the preplating groove to being the neutral superconducting line, and be filled with the NiCL of 240g/L in the preplating groove 2With the HCL of 100mL/L, under 40 ℃ environment, carried out nickel preplating 60 seconds, water cleans superconducting line;
Superconducting line after will cleaning is then put into the nickel groove, is filled with the NiCL of 12g/L in the said nickel groove 2, the boric acid of 55g/L, the bodying agent of 600mL/L, the wetting agent of 2.0mL/L and the additive of 2.5mL/L, in the nickel groove, superconducting line being carried out Nickel Plating Treatment 60 seconds under 65 ℃ the environment, get into postprocessing working procedures then.
In this step, bodying agent is the aqueous solution of 550g/L nickel sulfamic acid, and wetting agent is the aqueous solution of 250g/L sodium lauryl sulphate, additive be 105g/L para toluene sulfonamide and 105g/L 1,4-butynediol mixed aqueous solution.
Postprocessing working procedures is: the superconducting line that nickel plating process is handled well is washed to being neutral with deionized water, under 130 ℃ of temperature, dried, taking-up gets product.
The invention has the beneficial effects as follows: adopt the present invention's galvanized superconducting line material coating surface thickness and even performance to satisfy each item index request, the electroconductibility of material, assembling waits the quality requirements stable performance.

Claims (3)

1. nickel plating process for superconducting materials; Comprise plating front surface treatment process, nickel plating process and three steps of postprocessing working procedures; It is characterized in that said nickel plating process is: will plate to wash in the front surface treatment process and put into the preplating groove, and be filled with the NiCl of 200-240g/L in the preplating groove to being the neutral superconducting line 2With the HCl of 60-100mL/L, under 30-40 ℃ environment, carry out nickel preplating 30-60 second, water cleans superconducting line;
Superconducting line after will cleaning is then put into the nickel groove, is filled with the NiCl of 8-12g/L in the said nickel groove 2, the boric acid of 45-55g/L, the bodying agent of 500-600mL/L, the wetting agent of 1.0-2.0mL/L and the additive of 1.5-2.5mL/L, in the nickel groove, superconducting line being carried out Nickel Plating Treatment 30-60 second under 55-65 ℃ the environment, get into postprocessing working procedures then;
Said bodying agent is the aqueous solution of 450-550g/L nickel sulfamic acid, and said wetting agent is the aqueous solution of 150-250g/L sodium lauryl sulphate, said additive be 95-105g/L para toluene sulfonamide and 95-105g/L 1,4-butynediol mixed aqueous solution.
2. nickel plating process for superconducting materials according to claim 1; It is characterized in that; Plating front surface treatment process is: superconducting line is put into pretreatment tank; Amount adding electrochemical deoiling powder by every liter of tank liquor 50-100g under 48-55 ℃ environment carries out electrochemical deoiling 30-60 second to the superconducting line plate surface, takes out the superconducting line of handling well then, washes until being neutral with tap water; The superconducting line of washing is put into pretreatment tank again, superconducting line is carried out pickling 30-60 second, take out the superconducting line of handling well then with the hydrochloric acid of 80-120mL/L, again with the tap water washing until being neutral;
Again superconducting line is put into pretreatment tank; Amount adding electrochemical deoiling powder by every liter of tank liquor 50-100g under 48-55 ℃ environment carries out electrolytic degreasing 30-60 second to the superconducting line plate surface; Take out the superconducting line of handling well then, wash until being neutral with tap water; Again superconducting line is put into pretreatment tank; The sulfuric acid that under 25-35 ℃ environment, adds 40-60mL/L carries out activation treatment to superconducting line, soak time 30-60 second, takes out the superconducting line of handling well then; Until being neutral, get into nickel plating process with the deionized water washing then.
3. nickel plating process for superconducting materials according to claim 1 is characterized in that, said postprocessing working procedures is: the superconducting line that nickel plating process is handled well is washed to being neutral with deionized water, under 110-130 ℃ of temperature, dried, taking-up gets product.
CN2010101785805A 2010-05-21 2010-05-21 Nickel plating process for superconducting materials Active CN101831675B (en)

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CN102400195B (en) * 2011-11-23 2014-04-09 安徽华东光电技术研究所 Nickel-plating method of aluminum oxide ceramic after metallization
CN102965702B (en) * 2012-12-06 2017-02-08 中国电子科技集团公司第四十一研究所 Method for improving uniformity of thickness of nickel electroplating layer
CN103320826A (en) * 2013-06-13 2013-09-25 南通市申海工业技术科技有限公司 Automatic conductor strand chromium plating process
CN103290442B (en) * 2013-06-13 2016-05-18 南通市申海工业技术科技有限公司 Zn-ni Alloy Plating
CN104916772A (en) * 2015-05-15 2015-09-16 富通集团(天津)超导技术应用有限公司 Preparation method of superconducting wire rod
CN112609214A (en) * 2020-12-15 2021-04-06 孙明远 Electroplating liquid for ice maker evaporator, acid-resistant alloy coating and electroplating method thereof

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CA2236933A1 (en) * 1997-06-18 1998-12-18 Atotech Deutschland Gmbh Electroplating of low-stress nickel
CN1230575C (en) * 2003-09-23 2005-12-07 贵研铂业股份有限公司 Continuous nickel plating process for stainless steel wire
CN1920104B (en) * 2006-08-08 2011-10-12 吴宗驹 Low slag discharging environmental protection nickel plating liquid
CN101392396B (en) * 2008-10-16 2010-09-15 上海工程技术大学 Process for forming peak-like convex nickel coating on surface of metal substrate
CN101498013A (en) * 2009-01-07 2009-08-05 嘉兴中科亚美合金技术有限责任公司 Sulfamic acid nickel plating solution and method

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Address after: 226100, 27, Daqing Road, three factory, Haimen, Jiangsu, Nantong

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Address before: 226100 Haimen port, Haimen, Nantong, Jiangsu

Patentee before: Shenhai Special Plating Co., Ltd. Nantong City

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Address after: 226100, 27, Daqing Road, three factory, Haimen, Jiangsu, Nantong

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Address before: 226100, 27, Daqing Road, three factory, Haimen, Jiangsu, Nantong

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