CN110424028A - The preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material - Google Patents
The preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material Download PDFInfo
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- CN110424028A CN110424028A CN201910724092.0A CN201910724092A CN110424028A CN 110424028 A CN110424028 A CN 110424028A CN 201910724092 A CN201910724092 A CN 201910724092A CN 110424028 A CN110424028 A CN 110424028A
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- carbon fiber
- electroforming
- cathode
- composite material
- fiber bundle
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The present invention provides a kind of preparation methods of continuous carbon fibre enhancing Metal Substrate electroforming composite material, utilize the conductive feature of carbon fiber, carbon fiber is fixed on fixture, it is at the state of pumping, carry out the electrochemical deposition of parent metal simultaneously in carbon fiber bundle bilateral, and with hard microballoon in carbon fiber surface rolling extrusion friction, with improve electroforming metal intensity and electroforming metal to the bond strength of fiber, it reduces voidage to lead with hole system, improves consistency.
Description
Technical field
The present invention relates to field of composite material preparation, specifically a kind of continuous carbon fibre enhances Metal Substrate electroforming composite material
Preparation method.
Background technique
Continuous filament reinforced metallic matrix composite is that one kind answers the high-intensitive, reinforcing fiber of high-modulus and metallic matrix
Made of conjunction, the composite material with the excellent comprehensive performances such as intensity height, modulus height, high temperature resistant, antifatigue.If in Metal Substrate
Orderly doping largely has high-intensitive continuous fiber on the loaded direction of body, then when composite material is stretched, these high property
The fiber of energy can bear much higher load than metal, and then improve the intensity of entire composite material.
Currently, the preparation method of continuous filament reinforced metallic matrix composite mainly has: powder metallurgic method, melting infiltration
Method, compound electric casting etc..Wherein, composite electroformed is to arrange fiber in cathode mandrel surface, using parent metal in core in advance
The electrochemical deposition of mould surface, which gradually coats, inlays fiber, ultimately forms the metal-base composites for being mingled with fiber.It is composite electroformed
Method prepares metal-based fibers composite material and is not necessarily to high temperature or hyperbaric environment, not damaged to reinforcing fiber, and equipment is simple, cost
It is low, but also leave following problems:
1, the defects of composite electroformed layer surface obtained and inside are easy to appear cavity, hole under high microsteping volume fraction, leads
It causes fiber and electroforming metal binding performance to be deteriorated, seriously reduces the reinforcing effect of high strength fibre, constrain mentioning for its performance
It rises；
2, carbon fiber has the distinguishing features such as density is small, specific strength is high, specific modulus is big, excellent corrosion-proof performance, is suitable for as increasing
Strong fiber prepares metal-based fibers composite material.But carbon fiber itself is conductive, and electrostatic screening effect makes parent metal
It is directly deposited in the fiber surface backwards to cathode core model side, the fibre bundle surface for being tightly attached to cathode core model side is difficult to happen electricity
Chemical deposition reaction, is difficult to be completely embedded by parent metal so as to cause carbon fiber bundle, as shown in Figure 1, often occurring after demoulding
The fibre bundle of only fraction is really embedded in phenomenon, so that casting coating performance raising is restricted；
3, a branch of carbon fiber is made of thousands of monofilament carbon fibers, and gap is narrow between adjacent monofilament carbon fiber, in electroforming process
In, solution is difficult to enter the gap between fiber, so as to cause there are a large amount of holes in electrotyping forming carbon fibre composite, instead
And the tensile resistance of cast layer is caused to reduce.
4, there is researcher by way of the electroforming in winding to improve the performance of electroforming metal base fibrous composite, subtract
Small porosity, but it is only suitable for single continuous fiber, it is unable to satisfy bundle fiber.Meanwhile fibre number cannot effectively improve cast layer less
Performance.
Summary of the invention
The present invention in order to solve problems in the prior art, provides a kind of continuous carbon fibre enhancing Metal Substrate electroforming composite wood
Carbon fiber is fixed on fixture, is at up and down reciprocatingly using the conductive feature of carbon fiber by the preparation method of material
Motion state carries out the electrochemical deposition of parent metal in carbon fiber bundle bilateral simultaneously, and with hard microballoon in carbon fiber surface
Rolling extrusion friction, intensity and electroforming metal to improve electroforming metal reduce voidage and hole system to the bond strength of fiber
Rate improves consistency.
The present invention the following steps are included:
1) it removes photoresist processing, by the organic matter removal on carbon fiber bundle surface；
2) clamping is handled, and abutting conductive plate is straightened in carbon fiber bundle, is fixed between two clamping plates, forms cathode grip block；
3) oxidation processes improve carbon fiber bundle roughness；
4) electo-forming stages place cathode grip block in electroforming tank center vertical, and cathode two sides are placed in parallel two blocks of electrolytic anode nickel
Plate is full of electroforming solution and hard microballoon between anode and cathode, and nickel is in carbon fiber surface electrochemical deposition process, and cathode is along vertical side
To reciprocating motion, hard microballoon is driven to roll in carbon fiber surface, extrusion friction carbon fiber surface rolls refinement electroforming in microballoon
While metal grain, fibre bundle is squeezed generated local relaxation and electroforming solution is promoted " to be pumped into " among fibre gap, promotees
Into the combination of electroforming metal and carbon fiber；
5) cast layer post-processes.
It is further improved, clamping treatment process described in step 2, using two pieces of clamping plates fixed by threaded hole, wherein
One piece is provided with groove, and conductive plate is fixed in groove, and carbon fiber bundle is straightened abutting conductive plate, is fixed between two clamping plates, In
Occur in electrochemical deposition reaction process, carbon fiber bundle becomes cathode by conducting block conduction.
It is further improved, treatment process of removing photoresist described in step 1) is high temperature sintering and chemolysis mode, by carbon fiber
It is put into the sintering of Muffle furnace high temperature, is taken out after a certain time, cooling be put into acetone soln is impregnated, and is taken out after immersion through excessive
Secondary deionized water cleaning, and dry.
It is further improved, oxidation processes described in step 3) use the chemically composited mode of ball milling-, and carbon fiber will be housed
The cathode clamping plate of dimension beam is put into sulfamic acid solution, and hard particles are added and carry out ball milling, and carbon fiber bundle was both micro- by hard
The ball action of grain, and the corrosiveness by acid solution, so that carbon fiber bundle surface roughness and specific area increase.
It is further improved, cast layer last handling process described in step 5) carries out surface finishing in such a way that ball milling is electrolysed and adds
Work post-processing, obtaining after electo-forming stages has certain thickness cast layer, and there are metallic nickel deposition, and cast layer in carbon fiber two sides
Surface is more smooth, it is only necessary to which surface carries out micro skin processing.
The beneficial effects of the invention are that:
1, the continuous carbon fibre enhancing Metal Substrate electroforming composite material that the present invention is prepared, compared to current carbon fiber composite
For material, carbon fiber and electroforming metal binding performance are improved, the reinforcing effect of high strength fibre has been expanded, has been conducive to its stretch-proof
The promotion of performance；
2, the continuous carbon fibre enhancing Metal Substrate electroforming composite material that the present invention is prepared, by hard microballoon in carbon fiber surface
Face rolling extrusion improves the intensity of deposited metal and the combination effect of deposited metal and fiber, reduces the cavity of composite material
Rate and porosity, while metal casting coating performance is effectively increased again；
3, the continuous carbon fibre enhancing Metal Substrate electroforming composite material that the present invention is prepared is same on carbon fiber bundle double-sided surface
The electrochemical deposition of Shi Jinhang parent metal realizes that bilateral Metal Substrate wraps up effect.
Detailed description of the invention
Fig. 1 is that carbon fiber bundle unilateral side aspheric electric mill casts compound cast layer schematic diagram；
Fig. 2 is first clamping plate schematic diagram；
Fig. 3 is conductive plate schematic diagram；
Fig. 4 is second clamping plate schematic diagram；
Fig. 5 is the cathode grip block schematic diagram equipped with carbon fiber；
Fig. 6 is electroforming system schematic diagram；
Fig. 7 is cathode grip block vertical motion schematic diagram；
Fig. 8 is hard particles rolling friction carbon fiber bundle schematic diagram.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
The present invention the following steps are included:
1) it removes photoresist processing, by the organic matter removal on carbon fiber bundle surface, treatment process of removing photoresist is high temperature sintering and chemolysis side
Carbon fiber is put into the sintering of Muffle furnace high temperature, taken out after a certain time by formula, and cooling be put into acetone soln is impregnated, and is impregnated
It takes out and is cleaned by multiple deionized water afterwards, and dry.
2) clamping is handled, and will be fixed on cathode grip block by the carbon fiber for processing of removing photoresist, cathode grip block is by first
Clamping plate, second clamping plate and conductive plate form.First clamping plate is equipped with a groove, for placing conductive plate, as shown in Fig. 2, conductive
Plate is as shown in Figure 3.Second clamping plate is equipped with threaded hole, fixes for cooperating with first clamping plate, as shown in Figure 4.By carbon fiber bundle
It tenses and is close to conductive plate, fix between the first and second plates, as shown in Figure 5.It was reacted electrochemical deposition occurs
Cheng Zhong, carbon fiber bundle become cathode by conducting block conduction.
3) the cathode clamping plate equipped with carbon fiber bundle is put into amino sulphur using the chemically composited mode of ball milling-by oxidation processes
In acid solution, and hard particles are added and carry out ball milling, carbon fiber bundle is not only by the ball action of hard particles, but also by acid molten
The corrosiveness of liquid, so that carbon fiber bundle surface roughness and specific area increase.
4) electo-forming stages place cathode grip block in electroforming tank center vertical, and cathode two sides are placed in parallel two pieces of electrolysis sun
Pole nickel plate is full of electroforming solution and hard microballoon between anode and cathode, as shown in Figure 6.Nickel is in carbon fiber surface electrochemical deposition process
In, cathode moves back and forth along the vertical direction, drives hard microballoon to roll in carbon fiber surface, extrusion friction carbon fiber surface is micro-
While ball rolls refinement electroforming metal crystal grain, fibre bundle is squeezed generated local relaxation and promotes electroforming solution " being pumped into " fine
It ties up among gap, promotes the combination of electroforming metal and carbon fiber, as shown in Figure 7.
5) cast layer post-processes, and surface finishing post-processing is carried out in such a way that ball milling is electrolysed, after electo-forming stages
Obtaining has certain thickness cast layer, and there are metallic nickel deposition in carbon fiber two sides, and cast layer surface is more smooth, as shown in figure 8,
Surface is only needed to carry out micro skin processing.
A kind of specific embodiment of the present invention is as follows:
Toray carbon fiber T700SC-1200-50C is selected, carbon fiber is subtracted and takes 50mm, is put into 400 DEG C of high temperature in Muffle furnace
It is sintered, is taken out after 2h, cooling be put into acetone soln is impregnated, and multiple deionized water cleaning, drying after 0.5h is impregnated；
The carbon fiber bundle of drying is strained and fixed on cathode grip block, guarantees good electric conductivity；
Cathode grip block equipped with carbon fiber is placed in 2mol/L sulfamic acid solution, the hard of 0.1mm diameter is poured into solution
Matter particle, cathode grip block are in pump, time 10min；
Cathode grip block after oxidation processes is put into electrolytic cell, DC power supply, current density 2A/dm are connected2 , molten
Liquid parameter are as follows: nickel sulfamic acid 300 ~ 500 g/L, Nickel dichloride hexahydrate 15g/L, 0.05 g/L of lauryl sodium sulfate, boric acid
35 g/L, time 12h, cathode grip block pump speed 5mm/s, period 10s, hard abrasive diameter 0.1mm；
The cast layer of electroforming 12h is subjected to ball milling surface finishing, the NaNO of electrolyte level 5%3Solution, decomposition voltage 15V, when
Between can be selected according to actual effect.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention, it is noted that for
For those skilled in the art, without departing from the principle of the present invention, it can also make several improvements, this
A little improve also should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material, it is characterised in that the following steps are included:
1) it removes photoresist processing, by the organic matter removal on carbon fiber bundle surface；
2) clamping is handled, and abutting conductive plate is straightened in carbon fiber bundle, is fixed between two clamping plates, forms cathode grip block；
3) oxidation processes improve carbon fiber bundle roughness；
4) electo-forming stages place cathode grip block in electroforming tank center vertical, and cathode two sides are placed in parallel two blocks of electrolytic anode nickel
Plate is full of electroforming solution and hard microballoon between anode and cathode, and nickel is in carbon fiber surface electrochemical deposition process, and cathode is along vertical side
To reciprocating motion, hard microballoon is driven to roll in carbon fiber surface, extrusion friction carbon fiber surface rolls refinement electroforming in microballoon
While metal grain, fibre bundle is squeezed generated local relaxation and electroforming solution is promoted " to be pumped into " among fibre gap, promotees
Into the combination of electroforming metal and carbon fiber；
5) cast layer post-processes.
2. the preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material according to claim 1, feature exist
It is one of to be provided with groove using two pieces of clamping plates fixed by threaded hole in clamping treatment process described in step 2, it is recessed
Conductive plate is fixed in slot, carbon fiber bundle is straightened abutting conductive plate, is fixed between two clamping plates, and electrochemical deposition is anti-occurring
During answering, carbon fiber bundle becomes cathode by conducting block conduction.
3. the preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material according to claim 1, feature exist
In: treatment process of removing photoresist described in step 1) is high temperature sintering and chemolysis mode, and carbon fiber is put into Muffle furnace high temperature
Sintering, takes out after a certain time, and cooling be put into acetone soln is impregnated, and takes out after immersion and cleans by multiple deionized water,
And it dries.
4. the preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material according to claim 1, feature exist
In: oxidation processes described in step 3) use the chemically composited mode of ball milling-, and the cathode clamping plate equipped with carbon fiber bundle is put
Enter in sulfamic acid solution, and be added hard particles carry out ball milling, carbon fiber bundle not only by the ball action of hard particles, but also by
To the corrosiveness of acid solution, so that carbon fiber bundle surface roughness and specific area increase.
5. the preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material according to claim 1, feature exist
In: cast layer last handling process described in step 5) carries out surface finishing post-processing in such a way that ball milling is electrolysed.
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| CN201910724092.0A CN110424028A (en) | 2019-08-07 | 2019-08-07 | The preparation method of continuous carbon fibre enhancing Metal Substrate electroforming composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110124A (en) * | 2022-05-20 | 2022-09-27 | 南京航空航天大学 | Electroforming method for preparing metal laminated material and application thereof |
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| WO2013102558A2 (en) * | 2012-01-04 | 2013-07-11 | Rolls-Royce Plc | A metallic foam material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110124A (en) * | 2022-05-20 | 2022-09-27 | 南京航空航天大学 | Electroforming method for preparing metal laminated material and application thereof |
| CN115110124B (en) * | 2022-05-20 | 2023-12-22 | 南京航空航天大学 | Electroforming method for preparing metal laminated material |
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Application publication date: 20191108 |