CN109402681A - A kind of highly conductive multilayer materials of tight type - Google Patents
A kind of highly conductive multilayer materials of tight type Download PDFInfo
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- CN109402681A CN109402681A CN201811167602.0A CN201811167602A CN109402681A CN 109402681 A CN109402681 A CN 109402681A CN 201811167602 A CN201811167602 A CN 201811167602A CN 109402681 A CN109402681 A CN 109402681A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
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Abstract
The invention discloses a kind of highly conductive multilayer materials of tight type, plain steel including cylindrical shape, copper product is electroplate on the surface of the plain steel, it is covered again in copper and is compounded with stainless steel material in plain steel outer surface, the preparation method of the composite material is the following steps are included: first prepare copper electroplating liquid, plain steel is pre-processed, in carbon steel basic surface electro-coppering, the plain steel of copper coating is prepared, then cold-reduced sheet is prepared, the side of cold-reduced sheet is welded on the plain steel of copper coating, then cold rolled strip coil is wound on the plain steel of copper coating, tube seam is covered using the cold rolling after welder winding again, mold is crossed by several times carries out extrusion forming, multilayer materials are prepared.The present invention solves the problems, such as that stainless steel material in use, existing electric conductivity is poor, while solving the problems, such as that electrochemical corrosion occurs for steel copper facing rear surface as earthing material.
Description
Technical field
The present invention relates to technical field of composite materials, specially a kind of highly conductive multilayer materials of tight type.
Background technique
The corrosion resistance that stainless steel composite material has its excellent is the developing direction for being grounded new material.But stainless steel double
For condensation material because of alloying reason, electric conductivity is too many relative to copper material difference, only suitable with galvanized steel earthing material.
The present invention provides a kind of highly conductive multilayer materials of tight type, and copper is made in steel surface progress electro-coppering and covers steel
Material, then Steel material appearance composite stainless steel material is covered in copper, form multilayer materials, multilayer materials tool of the invention
The standby technological merit for significantly improving electric conductivity, significantly improving mechanical performance and significantly reducing rate of corrosion, while also solving not
Rust Steel material is as earthing material in use, the technical problem of existing electric conductivity difference.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of highly conductive multilayer materials of tight type, have significant
The advantages that improving electric conductivity, significantly improving mechanical performance and significantly reduce rate of corrosion, solves stainless steel material as ground connection
When materials'use, the problem of existing electric conductivity difference, while solving steel copper facing rear surface and asking for electrochemical corrosion occurs
Topic.
(2) technical solution
To realize the above-mentioned purpose for significantly improving electric conductivity, significantly improving mechanical performance and significantly reducing rate of corrosion, this
Invention provides the following technical solutions:
A kind of highly conductive multilayer materials of tight type, the multilayer materials include the carbon steel base of cylindrical shape
Body is electroplate with copper product on the surface of the plain steel, then covers in copper and be compounded with stainless steel in plain steel outer surface
Material.
Preferably, the composite material preparation method the following steps are included:
1) preparation of electroplate liquid
(1) acetic acid that the mass fraction of 20-50 mass parts is 36%-38% is dissolved in the deionized water of 80-120 mass parts
In, it is uniformly mixed, acetum is prepared;
(2) sodium phosphite of 5-10 mass parts is added in the acetum of step (1) preparation, is uniformly mixed,
Plating intermediate fluid I is prepared;
(3) tartaric acid of the tetramethyl thiourea of 50-80 mass parts and 10-30 mass parts is added to step (1) preparation
It is electroplated in intermediate fluid I, is heated to 75-77 DEG C, stirring is then slowly added to the sodium acetate of 10-30 mass parts, in 75- to dissolving
Plating intermediate fluid II is prepared to dissolving in constant temperature 30-40min at 77 DEG C, stirring;
(4) cuprous oxide of 5-10 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to
100-115 DEG C, stirring then filters solution to dissolving at 75-77 DEG C, after taking filtrate to be cooled to room temperature, using quality point
The acetic acid that number is 36%-38% adjusts pH value to 2.5-6.0, and plating intermediate fluid III is prepared;
(5) polyethylene glycol of 0.08-0.15 mass parts and the sodium polydithio-dipropyl sulfonate of 0.05-0.08 mass parts are added
Enter into the plating intermediate fluid III of step (4) preparation, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper
Electroplate liquid;
2) pretreatment of plain steel
(1) tertiary sodium phosphate of the sodium hydroxide of 10-12 mass parts, the sodium metasilicate of 5-10 mass parts, 25-50 mass parts is added
Enter into 1L deionized water, be uniformly mixed, electrolytic degreasing liquid is made;
(2) it is anode in electrolytic degreasing liquid prepared by step (1) by cathode, titanium net of plain steel, is 40- in temperature
60 DEG C, current density 2-6A/dm2Under, catholyte oil removing 5-20min is carried out, the plain steel Jing Guo oil removing is passed through two
After the cleaning of road tap water, immerses temperature and is 25-50 DEG C, is impregnated 5-15 minutes in the hydrochloric acid solution that mass fraction is 5%-15%,
After the cleaning of twice tap water, pretreated plain steel is made;
3) in carbon steel basic surface electro-coppering
The copper electroplating liquid that step 1) is prepared constitutes electrolysis with copper anode and by the pretreated plain steel of step 2)
Pond, temperature be 40-60 DEG C, stirring rate 60-80r/min, current density 2-4A/dm2Under conditions of, in plain steel
Surface carries out negative electrode electro-deposition, and copper coating is prepared in sedimentation time 1.5-3.5h, thickness of coated copper layer 0.2-0.4mm
Plain steel;
4) preparation of stainless steel plate
(1) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.01-0.02 is added in smelting process
The carbon of mass parts, the silicon of 5-8 mass parts, the chromium of 15-20 mass parts, the nickel of 20-28 mass parts, the aluminium of 1-2 mass parts, 1-2 matter
The molybdenum of part, the copper of 1.8-2.5 mass parts are measured, alloy molten steel is then subjected to vacuum-oxygen decarbonizing external refining, after smelting
Ingot casting is made in molten steel, and hot rolling slab is made after repeatedly forging using continuous-type furnace, hot rolling slab process is machined,
Polishing and finishing, are prepared hot rolled plate;
(2) by the mass fraction of equal quality part be 60% sodium hydroxide solution, mass fraction be 30% sodium nitrate
The sodium chloride solution that solution and mass fraction are 10% mixes, and is uniformly mixed, alkali wash water is prepared;
(3) by the mass fraction of equal quality part be 15% nitric acid solution and mass fraction be 3% hydrofluoric acid solution
It mixes, is uniformly mixed, pickling solution is prepared;
(4) nitric acid solution that the mass fraction of 10-20 mass parts is 68% is added to the deionized water of 30-40 mass parts
In, it is uniformly mixed, passivating solution is prepared;
(5) hot rolled plate prepared by step (1) is immersed in alkali cleaning 30-60min in the alkali wash water of step (2) preparation, then
In the pickling solution of step (3) preparation, the pickling 50-80min at 40-55 DEG C, then in the passivating solution of step (4) preparation, in
Cold continuous rolling is carried out after being passivated 20-40min at 40-60 DEG C, cold-reduced sheet is prepared;
5) side of the cold-reduced sheet of step 4) preparation is welded on the plain steel of copper coating of step 3) preparation, is connect
By step 4) preparation cold rolled strip coil be wound on step 3) preparation copper coating plain steel on, then using welder roll up
Cold rolling after covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Preferably, in the step 3) temperature of electrolytic cell be 50 DEG C, stirring rate 50r/min, current density 3A/
dm2。
Preferably, the carbon of 0.015 mass parts, the silicon of 6 mass parts, 18 mass are added in the step 4) in smelting process
Part chromium, the nickel of 24 mass parts, the aluminium of 1.5 mass parts, the molybdenum of 1.5 mass parts, 2.2 mass parts copper.
Preferably, the pickling temperature of the step (5) in the step 4) be 50 DEG C, pickling time 60min.
Preferably, the passivation temperature of the step (5) in the step 4) be 50 DEG C, passivation time 30min.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of highly conductive multilayer materials of tight type, have following beneficial
Effect:
1, the multilayer materials cover Steel material by the way that copper is made in steel surface progress electro-coppering, then cover steel in copper
Expect appearance composite stainless steel material, multilayer materials are prepared, the resistivity of the multilayer materials is 6.03-6.28u
It is 1.724u that Ω cm, which is 20.1u Ω cm significantly less than the resistivity of hot-galvanized steel, and has the resistivity close to fine copper
The trend of Ω cm, the present invention prepared by multilayer materials pull-off force be 50.5-64.5kN, be noticeably greater than
IEEE837 requires copper to cover Steel material pull-off force minimum value 4.45kN, and multilayer materials prepared by the present invention are in sour corrosion
Corrosion rate in medium is 0.008-0.017mm/a, respectively less than corrosion rate of the red copper in acidic corrosive media
0.022mm/a, corrosion rate of the multilayer materials in deep-etching alkaline corrosion medium prepared by the present invention is 0.013-
0.031mm/a all has the trend of the corrosion rate 0.007mm/a close to red copper in deep-etching alkaline corrosion medium, this hair
Corrosion rate of the bright prepared multilayer materials in weak corrosion alkaline corrosion medium is 0.005-0.012mm/a, is connect
Corrosion rate 0.005mm/a of the nearly red copper in weak corrosion alkaline corrosion medium, multilayer materials prepared by the present invention exist
Corrosion rate in strand deep-etching alkaline corrosion medium is 0.029-0.046mm/a, and respectively less than red copper is in strand deep-etching alkali
Corrosion rate 0.039mm/a in property corrosive medium makes because the transitional function of copper material makes stainless steel composite material even closer
The electric conductivity of multilayer materials that must be of the invention significantly improves, mechanical performance significantly improves, rate of corrosion significantly reduces, and realizes
The technical effect for significantly improving electric conductivity, significantly improving mechanical performance and significantly reducing rate of corrosion, solves stainless steel
Material is as earthing material in use, the technical problem of existing electric conductivity difference.
2, the multilayer materials cover Steel material by the way that copper is made in steel surface progress electro-coppering, then cover steel in copper
Expect appearance composite stainless steel material, efficiently solves copper and carbon steel and easily generation electrochemical corrosion coexists in soil environment
Problem.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one:
(1) acetic acid that the mass fraction of 20 mass parts is 36% is dissolved in the deionized water of 80 mass parts, is stirred
Uniformly, acetum is prepared;
(2) sodium phosphite of 5 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, prepared
Obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 50 mass parts and 10 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 75 DEG C, stirring is then slowly added to the sodium acetate of 10 mass parts to dissolving, the constant temperature 30min at 75 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 5 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 100
DEG C, solution is then filtered at 75 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 36% by stirring
Acetic acid adjusts pH value to 2.5, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.08 mass parts and 0.05 mass parts is added to step
(4) in the plating intermediate fluid III prepared, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 10 mass parts, the sodium metasilicate of 5 mass parts, 25 mass parts is added to 1L
It in ionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(7) it is anode in electrolytic degreasing liquid prepared by step (6) by cathode, titanium net of plain steel, is 40 in temperature
DEG C, current density 2A/dm2Under, catholyte oil removing 5min is carried out, the plain steel Jing Guo oil removing is passed through into twice tap water
After cleaning, immerses temperature and be 25 DEG C, impregnated 5 minutes in the hydrochloric acid solution that mass fraction is 5%, cleaned using twice tap water
Afterwards, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 40 DEG C, stirring rate 60r/min, current density 2A/dm2Under conditions of, on plain steel surface
Negative electrode electro-deposition is carried out, the plain steel of copper coating is prepared in sedimentation time 1.5h, thickness of coated copper layer 0.2mm;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.01 mass parts are added in smelting process
Carbon, the silicon of 5 mass parts, the chromium of 15 mass parts, the nickel of 20 mass parts, the aluminium of 1 mass parts, the molybdenum of 1 mass parts, 1.8 mass parts
Copper, then by alloy molten steel carry out vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting, uses continous way
Hot rolling slab is made in heating furnace after repeatedly forging, and by hot rolling slab by machining, polishing and finishing, hot rolling is prepared
Plate;
(10) by the mass fraction of 20 mass parts be 60% sodium hydroxide solution, 30% sodium nitrate of 20 mass parts it is molten
The sodium chloride solution that liquid and the mass fraction of 20 mass parts are 10% mixes, and is uniformly mixed, alkali cleaning is prepared
Liquid;
(11) hydrogen that the mass fraction for the nitric acid solution and 20 mass parts for being 15% by the mass fraction of 20 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 10 mass parts is 68% is added in the deionized water of 30 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 30min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 50min at 40 DEG C, then in the passivating solution of step (12) preparation, at 40 DEG C
Cold continuous rolling is carried out after passivation 20min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Embodiment two:
(1) acetic acid that the mass fraction of 30 mass parts is 38% is dissolved in the deionized water of 90 mass parts, is stirred
Uniformly, acetum is prepared;
(2) sodium phosphite of 6 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, prepared
Obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 60 mass parts and 15 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 76 DEG C, stirring is then slowly added to the sodium acetate of 15 mass parts to dissolving, the constant temperature 35min at 76 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 6 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 105
DEG C, solution is then filtered at 76 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 38% by stirring
Acetic acid adjusts pH value to 3, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.1 mass parts and 0.06 mass parts is added to step (4)
In the plating intermediate fluid III of preparation, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 10.5 mass parts, the sodium metasilicate of 6 mass parts, 30 mass parts is added to 1L
It in deionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(7) it is anode in electrolytic degreasing liquid prepared by step (6) by cathode, titanium net of plain steel, is 45 in temperature
DEG C, current density 3A/dm2Under, catholyte oil removing 8min is carried out, the plain steel Jing Guo oil removing is passed through into twice tap water
After cleaning, immerses temperature and be 30 DEG C, impregnated 8 minutes in the hydrochloric acid solution that mass fraction is 8%, cleaned using twice tap water
Afterwards, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 45 DEG C, stirring rate 65r/min, current density 2.5A/dm2Under conditions of, in plain steel table
Face carries out negative electrode electro-deposition, and the plain steel of copper coating is prepared in sedimentation time 2h, thickness of coated copper layer 0.25mm;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.015 mass is added in smelting process
Carbon, the silicon of 6 mass parts, the chromium of 16 mass parts, the nickel of 22 mass parts, the aluminium of 1.2 mass parts, the molybdenum of 1.2 mass parts, 2 matter of part
The copper of part is measured, alloy molten steel is then subjected to vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting, using even
Hot rolling slab is made in continuous formula heating furnace after repeatedly forging, and by hot rolling slab by machining, polishing and finishing, is prepared
Hot rolled plate;
(10) by the mass fraction of 30 mass parts be 60% sodium hydroxide solution, 30 mass parts mass fraction be 30%
Sodium nitrate solution and 30 mass parts mass fraction be 10% sodium chloride solution mix, be uniformly mixed, make
It is standby to obtain alkali wash water;
(11) hydrogen that the mass fraction for the nitric acid solution and 30 mass parts for being 15% by the mass fraction of 30 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 12 mass parts is 68% is added in the deionized water of 32 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 35min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 55min at 45 DEG C, then in the passivating solution of step (12) preparation, at 45 DEG C
Cold continuous rolling is carried out after passivation 25min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Embodiment three:
(1) acetic acid that the mass fraction of 35 mass parts is 36% is dissolved in the deionized water of 100 mass parts, is stirred
Uniformly, acetum is prepared;
(2) sodium phosphite of 7.5 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, made
It is standby to obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 65 mass parts and 18 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 77 DEG C, stirring is then slowly added to the sodium acetate of 18 mass parts to dissolving, the constant temperature 40min at 77 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 7 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 108
DEG C, solution is then filtered at 77 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 36% by stirring
Acetic acid adjusts pH value to 4, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.11 mass parts and 0.07 mass parts is added to step
(4) in the plating intermediate fluid III prepared, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 11 mass parts, the sodium metasilicate of 7 mass parts, 35 mass parts is added to 1L
It in ionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(7) it is anode in electrolytic degreasing liquid prepared by step (6) by cathode, titanium net of plain steel, is 50 in temperature
DEG C, current density 4A/dm2Under, catholyte oil removing 10min is carried out, originally by twice by the plain steel Jing Guo oil removing
After water cleaning, immerses temperature and be 35 DEG C, impregnated 10 minutes in the hydrochloric acid solution that mass fraction is 10%, using twice tap water
After cleaning, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 50 DEG C, stirring rate 70r/min, current density 3A/dm2Under conditions of, on plain steel surface
Negative electrode electro-deposition is carried out, the plain steel of copper coating is prepared in sedimentation time 2.5h, thickness of coated copper layer 0.3mm;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.02 mass parts are added in smelting process
Carbon, the silicon of 7 mass parts, the chromium of 18 mass parts, the nickel of 25 mass parts, the aluminium of 1.5 mass parts, the molybdenum of 1.5 mass parts, 2.2 matter
The copper of part is measured, alloy molten steel is then subjected to vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting, using even
Hot rolling slab is made in continuous formula heating furnace after repeatedly forging, and by hot rolling slab by machining, polishing and finishing, is prepared
Hot rolled plate;
(10) by the mass fraction of 40 mass parts be 60% sodium hydroxide solution, 40 mass parts mass fraction be 30%
Sodium nitrate solution and 40 mass parts mass fraction be 10% sodium chloride solution mix, be uniformly mixed, make
It is standby to obtain alkali wash water;
(11) hydrogen that the mass fraction for the nitric acid solution and 40 mass parts for being 15% by the mass fraction of 40 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 15 mass parts is 68% is added in the deionized water of 35 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 40min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 60min at 50 DEG C, then in the passivating solution of step (12) preparation, at 50 DEG C
Cold continuous rolling is carried out after passivation 30min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Example IV:
(1) acetic acid that the mass fraction of 40 mass parts is 38% is dissolved in the deionized water of 105 mass parts, is stirred
Uniformly, acetum is prepared;
(2) sodium phosphite of 8 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, prepared
Obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 70 mass parts and 20 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 75 DEG C, stirring is then slowly added to the sodium acetate of 20 mass parts to dissolving, the constant temperature 35min at 75 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 8 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 110
DEG C, solution is then filtered at 75 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 38% by stirring
Acetic acid adjusts pH value to 5, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.13 mass parts and 0.05 mass parts is added to step
(4) in the plating intermediate fluid III prepared, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 11.5 mass parts, the sodium metasilicate of 8 mass parts, 40 mass parts is added to 1L
It in deionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(7) it is anode in electrolytic degreasing liquid prepared by step (6) by cathode, titanium net of plain steel, is 55 in temperature
DEG C, current density 4.5A/dm2Under, catholyte oil removing 15min is carried out, certainly by twice by the plain steel Jing Guo oil removing
After water cleaning, immerses temperature and be 40 DEG C, impregnate 12 minutes in the hydrochloric acid solution that mass fraction is 15%, originally using twice
After water cleaning, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 55 DEG C, stirring rate 75r/min, current density 3.5A/dm2Under conditions of, in plain steel table
Face carries out negative electrode electro-deposition, and the plain steel of copper coating is prepared in sedimentation time 3h, thickness of coated copper layer 0.35mm;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.015 mass is added in smelting process
Carbon, the silicon of 6 mass parts, the chromium of 16 mass parts, the nickel of 23 mass parts, the aluminium of 1.8 mass parts, the molybdenum of 1.8 mass parts, 2.4 of part
Alloy molten steel is then carried out vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting by the copper of mass parts, is used
Hot rolling slab is made in continuous-type furnace after repeatedly forging, and by hot rolling slab by machining, polishing and finishing, is prepared into
To hot rolled plate;
(10) by the mass fraction of 40 mass parts be 60% sodium hydroxide solution, 40 mass parts mass fraction be 30%
Sodium nitrate solution and 40 mass parts mass fraction be 10% sodium chloride solution mix, be uniformly mixed, make
It is standby to obtain alkali wash water;
(11) hydrogen that the mass fraction for the nitric acid solution and 40 mass parts for being 15% by the mass fraction of 40 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 18 mass parts is 68% is added in the deionized water of 40 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 50min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 70min at 55 DEG C, then in the passivating solution of step (12) preparation, at 55 DEG C
Cold continuous rolling is carried out after passivation 35min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Embodiment five:
(1) acetic acid that the mass fraction of 50 mass parts is 38% is dissolved in the deionized water of 120 mass parts, is stirred
Uniformly, acetum is prepared;
(2) sodium phosphite of 10 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, made
It is standby to obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 80 mass parts and 30 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 77 DEG C, stirring is then slowly added to the sodium acetate of 30 mass parts to dissolving, the constant temperature 40min at 77 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 10 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 115
DEG C, solution is then filtered at 77 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 38% by stirring
Acetic acid adjusts pH value to 6.0, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.15 mass parts and 0.08 mass parts is added to step
(4) in the plating intermediate fluid III prepared, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 12 mass parts, the sodium metasilicate of 10 mass parts, 50 mass parts is added to 1L
It in ionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(7) it is anode in electrolytic degreasing liquid prepared by step (6) by cathode, titanium net of plain steel, is 60 in temperature
DEG C, current density 6A/dm2Under, catholyte oil removing 20min is carried out, originally by twice by the plain steel Jing Guo oil removing
After water cleaning, immerses temperature and be 50 DEG C, impregnated 15 minutes in the hydrochloric acid solution that mass fraction is 15%, using twice tap water
After cleaning, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 60 DEG C, stirring rate 80r/min, current density 4A/dm2Under conditions of, on plain steel surface
Negative electrode electro-deposition is carried out, the plain steel of copper coating is prepared in sedimentation time 3.5h, thickness of coated copper layer 0.4mm;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.02 mass parts are added in smelting process
Carbon, the silicon of 8 mass parts, the chromium of 20 mass parts, the nickel of 28 mass parts, the aluminium of 2 mass parts, the molybdenum of 2 mass parts, 2.5 mass parts
Copper, then by alloy molten steel carry out vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting, uses continous way
Hot rolling slab is made in heating furnace after repeatedly forging, and by hot rolling slab by machining, polishing and finishing, hot rolling is prepared
Plate;
(10) by the mass fraction of 30 mass parts be 60% sodium hydroxide solution, 30 mass parts mass fraction be 30%
Sodium nitrate solution and 30 mass parts mass fraction be 10% sodium chloride solution mix, be uniformly mixed, make
It is standby to obtain alkali wash water;
(11) hydrogen that the mass fraction for the nitric acid solution and 30 mass parts for being 15% by the mass fraction of 30 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 20 mass parts is 68% is added in the deionized water of 40 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 60min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 80min at 55 DEG C, then in the passivating solution of step (12) preparation, at 60 DEG C
Cold continuous rolling is carried out after passivation 40min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Embodiment six:
(1) acetic acid that the mass fraction of 50 mass parts is 36% is dissolved in the deionized water of 100 mass parts, is stirred
Uniformly, acetum is prepared;
(2) sodium phosphite of 10 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, made
It is standby to obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 75 mass parts and 25 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 76 DEG C, stirring is then slowly added to the sodium acetate of 28 mass parts to dissolving, the constant temperature 38min at 76 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 9 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 113
DEG C, solution is then filtered at 76 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 36%- by stirring
38% acetic acid adjusts pH value to 5.5, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.14 mass parts and 0.07 mass parts is added to step
(4) in the plating intermediate fluid III prepared, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 11.5 mass parts, the sodium metasilicate of 9.5 mass parts, 45 mass parts is added to
It in 1L deionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(7) it is anode in electrolytic degreasing liquid prepared by step (6) by cathode, titanium net of plain steel, is 55 in temperature
DEG C, current density 5.5A/dm2Under, catholyte oil removing 18min is carried out, certainly by twice by the plain steel Jing Guo oil removing
After water cleaning, immerses temperature and be 45 DEG C, impregnate 10 minutes in the hydrochloric acid solution that mass fraction is 10%, originally using twice
After water cleaning, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 55 DEG C, stirring rate 75r/min, current density 3.8A/dm2Under conditions of, in plain steel table
Face carries out negative electrode electro-deposition, and the carbon steel base of copper coating is prepared in sedimentation time 3.5h, thickness of coated copper layer 0.35mm
Body;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.015 mass is added in smelting process
Part carbon, the silicon of 7.5 mass parts, the chromium of 18 mass parts, the nickel of 27 mass parts, the aluminium of 1.5 mass parts, 1.8 mass parts molybdenum,
Alloy molten steel is then carried out vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting by the copper of 2.1 mass parts,
Hot rolling slab is made after repeatedly forging using continuous-type furnace, by hot rolling slab by machining, polishing and finishing, system
It is standby to obtain hot rolled plate;
(10) by the mass fraction of 40 mass parts be 60% sodium hydroxide solution, 40 mass parts mass fraction be 30%
Sodium nitrate solution and 40 mass parts mass fraction be 10% sodium chloride solution mix, be uniformly mixed, make
It is standby to obtain alkali wash water;
(11) hydrogen that the mass fraction for the nitric acid solution and 40 mass parts for being 15% by the mass fraction of 40 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 18 mass parts is 68% is added in the deionized water of 35 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 55min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 75min at 50 DEG C, then in the passivating solution of step (12) preparation, at 55 DEG C
Cold continuous rolling is carried out after passivation 35min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials are prepared.
Experimental example:
One, the test of multilayer materials electric conductivity
According to GB/T3048.2-2007 " wire and cable electrical performance test method part 2: metal material resistivity test "
The resistivity of multilayer materials prepared by above-described embodiment is tested, and " AC Substation connects according to IEEEstd80-2000
Ground safety guide " correlation formula calculates the thermal stability factor C of multilayer materials prepared by above-described embodiment, and test result is shown in
Table 1;
Three, the test of multilayer materials mechanical performance
According to multi-layer composite materials prepared by GB228-2002 " metal material room temperature tensile method " test above-described embodiment
The pull-off force of material, according to multi-layer composite materials prepared by ANSIUL467-2007 " ground connection and connection equipment " test above-described embodiment
The bending performance of material, test result are shown in Table 2;
Three, the test of multilayer materials corrosion rate
Take four kinds of typical soil: characteristic of acid red soil is using Yingtan soil as representative soil, and alkaline soda-saline soil is with grand celebration
Soil is as representative soil, and coast saline soil is using Tanggu soil as representative soil, and the township alkaline loess Yi Liang is as generation
Table soil, the testing result of four kinds of soil properties and is commented according to the corrosivity that DIN50929-1985 makes four kinds of soil
Valence is shown in Table 3;
Using electrochemistry accelerated corrosion test method, by four kinds of typical soils and deionized water according to etc. mass parts mix
It closes, the mud of lower layer is as corrosive medium after precipitating, using saturated calomel electrode as reference electrode, using Pt electrode as auxiliary electricity
The corrosion rate V of multilayer materials prepared by above-described embodiment is tested in polecorr, the results are shown in Table 4.
Table 1
Embodiment | 20 DEG C of resistivity (u Ω cm) | Conductivity (%) | Thermal stability factor (C value) |
Embodiment one | 6.68 | 28.31 | 153 |
Embodiment two | 6.03 | 25.56 | 138 |
Embodiment three | 6.42 | 27.21 | 147 |
Example IV | 6.33 | 26.83 | 145 |
Embodiment five | 6.37 | 27.00 | 146 |
Embodiment six | 6.23 | 26.41 | 143 |
Table 2
Embodiment | Size of sample (mm) | Pull-off force (kN) | Whether there are cracks when bending |
Embodiment one | Φ14×600 | 64.5 | Nothing |
Embodiment two | Φ14×600 | 60.1 | Nothing |
Embodiment three | Φ14×600 | 50.5 | Nothing |
Example IV | Φ14×600 | 58.2 | Nothing |
Embodiment five | Φ14×600 | 51.2 | Nothing |
Embodiment six | Φ14×600 | 55.3 | Nothing |
Table 3
Table 4
Judgment criteria: at 20 DEG C, the resistivity of fine copper is 1.724u Ω cm, conductivity 100%, thermal stability factor
C value is 245, and the resistivity of hot-galvanized steel is 20.1u Ω cm, conductivity 9%, thermal stability factor C value are 70;
The pull-off force that IEEE837 requires copper to cover Steel material should be greater than 4.45kN, and layers of copper does not crack after bending;
Rate of corrosion of the red copper in the corrosive medium of four kinds of typical soils is as shown in table 5.
Table 5
The beneficial effects of the present invention are: at 20 DEG C, the electricity of multilayer materials prepared by the above embodiment of the present invention
Resistance rate is 6.03-6.28u Ω cm, is 20.1u Ω cm significantly less than the resistivity of hot-galvanized steel and has close to fine copper
Resistivity be 1.724u Ω cm trend;
The conductivity of multilayer materials prepared by the above embodiment of the present invention is 25.56-28.31%, significantly high
It is 9% in the conductivity of hot-galvanized steel and there is the trend close to the conductivity 100% of fine copper;
The thermal stability factor C value of multilayer materials prepared by the above embodiment of the present invention is 138-153, significantly high
In hot-galvanized steel thermal stability factor C value 70 and have close to fine copper thermal stability factor C value 245 trend;
The pull-off force of multilayer materials prepared by the above embodiment of the present invention is 50.5-64.5kN, is noticeably greater than
4.45kN, be all satisfied IEEE837 require copper cover Steel material pull-off force should be greater than 4.45kN standard;
Layers of copper does not crack after the bending of multilayer materials prepared by the above embodiment of the present invention, is all satisfied
Layers of copper does not occur the standard to crack after IEEE837 requires copper to cover Steel material bending;
Corrosion rate of the multilayer materials prepared by the above embodiment of the present invention in acidic corrosive media be
The corrosion rate 0.022mm/a of 0.008-0.017mm/a, respectively less than red copper in acidic corrosive media;
Corrosion rate of the multilayer materials prepared by the above embodiment of the present invention in deep-etching alkaline corrosion medium
For 0.013-0.031mm/a, becoming for the corrosion rate 0.007mm/a close to red copper in deep-etching alkaline corrosion medium is all had
Gesture;
Corrosion rate of the multilayer materials prepared by the above embodiment of the present invention in weak corrosion alkaline corrosion medium
For 0.005-0.012mm/a, the corrosion rate 0.005mm/a close to red copper in weak corrosion alkaline corrosion medium;
Corrosion of the multilayer materials prepared by the above embodiment of the present invention in strand deep-etching alkaline corrosion medium
Rate is 0.029-0.046mm/a, the corrosion rate 0.039mm/ close to red copper in strand deep-etching alkaline corrosion medium
a。
Typical case: the acetic acid that the mass fraction of 40 mass parts is 38% (1) is dissolved in the deionized water of 105 mass parts
In, it is uniformly mixed, acetum is prepared;
(2) sodium phosphite of 8 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, prepared
Obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 70 mass parts and 20 mass parts is added in the plating of step (1) preparation
Between in liquid I, be heated to 75 DEG C, stirring is then slowly added to the sodium acetate of 20 mass parts to dissolving, the constant temperature 35min at 75 DEG C,
Plating intermediate fluid II is prepared to dissolving in stirring;
(4) cuprous oxide of 8 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 110
DEG C, solution is then filtered at 75 DEG C to dissolving, after taking filtrate to be cooled to room temperature, uses mass fraction for 38% by stirring
Acetic acid adjusts pH value to 5, and plating intermediate fluid III is prepared;
(5) sodium polydithio-dipropyl sulfonate of the polyethylene glycol of 0.13 mass parts and 0.05 mass parts is added to step
(4) in the plating intermediate fluid III prepared, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper electroplating liquid;
(6) tertiary sodium phosphate of the sodium hydroxide of 11.5 mass parts, the sodium metasilicate of 8 mass parts, 40 mass parts is added to 1L
It in deionized water, is uniformly mixed, electrolytic degreasing liquid is made;
It (7) is anode in electrolytic degreasing liquid prepared by step (6) by cathode, ruthenized titanium net of plain steel, in temperature
For 55 DEG C, current density 4.5A/dm2Under, catholyte oil removing 15min is carried out, the plain steel Jing Guo oil removing is passed through two
After the cleaning of road tap water, immerses temperature and be 40 DEG C, impregnated 12 minutes in the hydrochloric acid solution that mass fraction is 15%, using twice
After tap water cleaning, pretreated plain steel is made;
(8) copper electroplating liquid for preparing step (5) is constituted with copper anode and by step (7) pretreated plain steel
Electrolytic cell, temperature be 55 DEG C, stirring rate 75r/min, current density 3.5A/dm2Under conditions of, in plain steel table
Face carries out negative electrode electro-deposition, and the plain steel of copper coating is prepared in sedimentation time 3h, thickness of coated copper layer 0.35mm;
(9) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.015 mass is added in smelting process
Carbon, the silicon of 6 mass parts, the chromium of 16 mass parts, the nickel of 23 mass parts, the aluminium of 1.8 mass parts, the molybdenum of 1.8 mass parts, 2.4 of part
Alloy molten steel is then carried out vacuum-oxygen decarbonizing external refining, ingot casting is made in the molten steel after smelting by the copper of mass parts, is used
Hot rolling slab is made in continuous-type furnace after repeatedly forging, and by hot rolling slab by machining, polishing and finishing, is prepared into
To hot rolled plate;
(10) by the mass fraction of 40 mass parts be 60% sodium hydroxide solution, 40 mass parts mass fraction be 30%
Sodium nitrate solution and 40 mass parts mass fraction be 10% sodium chloride solution mix, be uniformly mixed, make
It is standby to obtain alkali wash water;
(11) hydrogen that the mass fraction for the nitric acid solution and 40 mass parts for being 15% by the mass fraction of 40 mass parts is 3%
Fluorspar acid solution mixes, and is uniformly mixed, and pickling solution is prepared;
(12) nitric acid solution that the mass fraction of 18 mass parts is 68% is added in the deionized water of 40 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(13) hot rolled plate prepared by step (9) is immersed in alkali cleaning 50min in the alkali wash water of step (10) preparation, is then existed
In the pickling solution of step (11) preparation, the pickling 70min at 55 DEG C, then in the passivating solution of step (12) preparation, at 55 DEG C
Cold continuous rolling is carried out after passivation 35min, cold-reduced sheet is prepared;
(14) side of the cold-reduced sheet of step (13) preparation is welded on to the plain steel of the copper coating of step (8) preparation
On, then cold rolled strip coil prepared by step (13) is wound on the plain steel of the copper coating of step (8) preparation, then using weldering
Cold rolling after machine welding winding covers tube seam, crosses mold by several times and carries out extrusion forming, multilayer materials is prepared, the multilayer
The resistivity of composite material is 6.33u Ω cm, conductivity 26.83%, thermal stability factor C value are 145, pull-off force is
58.2kN, the corrosion rate in acidic corrosive media are 0.009mm/a, the corrosion rate in deep-etching alkaline corrosion medium
It is 0.006mm/a, in strand deep-etching alkaline corrosion for 0.031mm/a, the corrosion rate in weak corrosion alkaline corrosion medium
Corrosion rate in medium is 0.041mm/a.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of highly conductive multilayer materials of tight type, which is characterized in that the multilayer materials include cylindrical shape
Plain steel, be electroplate with copper product on the surface of the plain steel, then cover in copper and be compounded in plain steel outer surface
Stainless steel material.
2. a kind of highly conductive multilayer materials of tight type, which is characterized in that the preparation method of the composite material includes following
Step:
1) preparation of electroplate liquid
(1) acetic acid that the mass fraction of 20-50 mass parts is 36%-38% is dissolved in the deionized water of 80-120 mass parts, is stirred
It mixes uniformly mixed, acetum is prepared;
(2) sodium phosphite of 5-10 mass parts is added in the acetum of step (1) preparation, is uniformly mixed, prepared
Obtain plating intermediate fluid I;
(3) tartaric acid of the tetramethyl thiourea of 50-80 mass parts and 10-30 mass parts is added to the plating of step (1) preparation
In intermediate fluid I, it is heated to 75-77 DEG C, stirring is then slowly added to the sodium acetate of 10-30 mass parts, in 75-77 DEG C to dissolving
Plating intermediate fluid II is prepared to dissolving in lower constant temperature 30-40min, stirring;
(4) cuprous oxide of 5-10 mass parts is slowly added in the plating intermediate fluid II of step (3) preparation, is heated to 100-
115 DEG C, stirring to dissolve, then solution is filtered at 75-77 DEG C, after taking filtrate to be cooled to room temperature, use mass fraction for
The acetic acid of 36%-38% adjusts pH value to 2.5-6.0, and plating intermediate fluid III is prepared;
(5) polyethylene glycol of 0.08-0.15 mass parts and the sodium polydithio-dipropyl sulfonate of 0.05-0.08 mass parts are added to
In the plating intermediate fluid III of step (4) preparation, after being uniformly mixed, distilled water constant volume is added to 1L, preparation obtains copper plating
Liquid;
2) pretreatment of plain steel
(1) tertiary sodium phosphate of the sodium hydroxide of 10-12 mass parts, the sodium metasilicate of 5-10 mass parts, 25-50 mass parts is added to
It in 1L deionized water, is uniformly mixed, electrolytic degreasing liquid is made;
(2) it is anode in electrolytic degreasing liquid prepared by step (1) by cathode, titanium net of plain steel, is 40-60 in temperature
DEG C, current density 2-6A/dm2Under, catholyte oil removing 5-20min is carried out, the plain steel Jing Guo oil removing is passed through into twice
After tap water cleaning, immerses temperature and be 25-50 DEG C, impregnated 5-15 minutes in the hydrochloric acid solution that mass fraction is 5%-15%, then pass through
After crossing the cleaning of twice tap water, pretreated plain steel is made;
3) in carbon steel basic surface electro-coppering
The copper electroplating liquid that step 1) is prepared constitutes electrolytic cell with copper anode and by the pretreated plain steel of step 2,
Temperature is 40-60 DEG C, stirring rate 60-80r/min, current density 2-4A/dm2Under conditions of, on plain steel surface
Negative electrode electro-deposition is carried out, the carbon of copper coating is prepared in sedimentation time 1.5-3.5h, thickness of coated copper layer 0.2-0.4mm
Steel matrix;
4) preparation of stainless steel plate
(1) presmelting obtains molten steel, and molten steel is transferred in electric arc furnaces and is smelted, and 0.01-0.02 mass is added in smelting process
Carbon, the silicon of 5-8 mass parts, the chromium of 15-20 mass parts, the nickel of 20-28 mass parts, the aluminium of 1-2 mass parts, 1-2 mass parts of part
Molybdenum, 1.8-2.5 mass parts copper, then by alloy molten steel carry out vacuum-oxygen decarbonizing external refining, by the molten steel after smelting
Ingot casting is made, hot rolling slab is made after repeatedly forging using continuous-type furnace, by hot rolling slab by machining, polishing
And finishing, hot rolled plate is prepared;
(2) by the mass fraction of equal quality part be 60% sodium hydroxide solution, mass fraction be 30% sodium nitrate solution and
The sodium chloride solution that mass fraction is 10% mixes, and is uniformly mixed, alkali wash water is prepared;
(3) by the mass fraction of equal quality part be 15% nitric acid solution and mass fraction be 3% hydrofluoric acid solution be blended in
Together, it is uniformly mixed, pickling solution is prepared;
(4) nitric acid solution that the mass fraction of 10-20 mass parts is 68% is added in the deionized water of 30-40 mass parts, is stirred
It mixes uniformly mixed, passivating solution is prepared;
(5) hot rolled plate prepared by step (1) is immersed in alkali cleaning 30-60min in the alkali wash water of step (2) preparation, then in step
Suddenly in the pickling solution of (3) preparation, the pickling 50-80min at 40-55 DEG C, then in the passivating solution of step (4) preparation, in 40-60
Cold continuous rolling is carried out after being passivated 20-40min at DEG C, cold-reduced sheet is prepared;
5) side of the cold-reduced sheet of step 4) preparation is welded on the plain steel of copper coating of step 3) preparation, then will
Step 4) preparation cold rolled strip coil be wound on step 3) preparation copper coating plain steel on, then using welder winding after
Cold rolling cover tube seam, by several times cross mold carry out extrusion forming, multilayer materials are prepared.
3. the highly conductive multilayer materials of a kind of tight type according to claim 2, which is characterized in that in the step 3)
The temperature of electrolytic cell is 50 DEG C, stirring rate 50r/min, current density 3A/dm2。
4. the highly conductive multilayer materials of a kind of tight type according to claim 1, which is characterized in that in the step 4)
The carbon of 0.015 mass parts, the silicon of 6 mass parts, the chromium of 18 mass parts, the nickel of 24 mass parts, 1.5 mass are added in smelting process
Part aluminium, the molybdenums of 1.5 mass parts, 2.2 mass parts copper.
5. the highly conductive multilayer materials of a kind of tight type according to claim 1, which is characterized in that in the step 4)
The step of (5) pickling temperature be 50 DEG C, pickling time 60min.
6. the highly conductive multilayer materials of a kind of tight type according to claim 1, which is characterized in that in the step 4)
The step of (5) passivation temperature be 50 DEG C, passivation time 30min.
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102108536A (en) * | 2010-11-30 | 2011-06-29 | 浙江省浦江县百川产业有限公司 | Linear traction and electrodeposition production process of thick copper clad steel wires for grounding wires |
CN102108535A (en) * | 2010-11-30 | 2011-06-29 | 浙江省浦江县百川产业有限公司 | Electrodeposition production technology for copper clad steel flat strip |
CN201956470U (en) * | 2010-12-15 | 2011-08-31 | 浙江华甸防雷科技有限公司 | Conducting grounding rod |
CN202940341U (en) * | 2012-12-07 | 2013-05-15 | 陕西电力科学研究院 | Corrosion resistance type grounding device having three-tier structure |
CN103276305A (en) * | 2013-05-29 | 2013-09-04 | 中宏兴石油设备(北京)有限公司 | Preparation process of austenitic stainless steel pipe of high-sulfur-resisting petroleum casing |
CN203883147U (en) * | 2014-06-16 | 2014-10-15 | 国家电网公司 | Copper plating vertical embedding grounding device |
CN104120463A (en) * | 2014-06-25 | 2014-10-29 | 济南大学 | Cyanide-free cuprous copper-plating surface modification method for steel matrix |
CN105322311A (en) * | 2015-11-06 | 2016-02-10 | 国网智能电网研究院 | Corrosion-resistant material-coated iron-based composite ground rod and preparation method thereof |
-
2018
- 2018-10-08 CN CN201811167602.0A patent/CN109402681A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102108536A (en) * | 2010-11-30 | 2011-06-29 | 浙江省浦江县百川产业有限公司 | Linear traction and electrodeposition production process of thick copper clad steel wires for grounding wires |
CN102108535A (en) * | 2010-11-30 | 2011-06-29 | 浙江省浦江县百川产业有限公司 | Electrodeposition production technology for copper clad steel flat strip |
CN201956470U (en) * | 2010-12-15 | 2011-08-31 | 浙江华甸防雷科技有限公司 | Conducting grounding rod |
CN202940341U (en) * | 2012-12-07 | 2013-05-15 | 陕西电力科学研究院 | Corrosion resistance type grounding device having three-tier structure |
CN103276305A (en) * | 2013-05-29 | 2013-09-04 | 中宏兴石油设备(北京)有限公司 | Preparation process of austenitic stainless steel pipe of high-sulfur-resisting petroleum casing |
CN203883147U (en) * | 2014-06-16 | 2014-10-15 | 国家电网公司 | Copper plating vertical embedding grounding device |
CN104120463A (en) * | 2014-06-25 | 2014-10-29 | 济南大学 | Cyanide-free cuprous copper-plating surface modification method for steel matrix |
CN105322311A (en) * | 2015-11-06 | 2016-02-10 | 国网智能电网研究院 | Corrosion-resistant material-coated iron-based composite ground rod and preparation method thereof |
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