CN102234748A - Galvanizing carbon fiber foamed light metal and preparation method thereof - Google Patents
Galvanizing carbon fiber foamed light metal and preparation method thereof Download PDFInfo
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- CN102234748A CN102234748A CN 201010154773 CN201010154773A CN102234748A CN 102234748 A CN102234748 A CN 102234748A CN 201010154773 CN201010154773 CN 201010154773 CN 201010154773 A CN201010154773 A CN 201010154773A CN 102234748 A CN102234748 A CN 102234748A
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Abstract
The invention provides a galvanizing carbon fiber foamed light metal and a preparation method thereof, and relates to foamed light metal technical field. The foamed light metal is composed by galvanizing carbon fiber and light metal. The preparation method comprises the following steps: (1) electroplating carbon fiber in a solution formed by zinc chloride, ammonium chloride, boric acid and dextrin; (2) adding a certain amount of galvanizing short fiber and carboxy methyl amylum ester into saturated salt water and followed by stirring uniformly, and adding a certain amount of salt particle to mix the mixture uniformly and followed by compaction; (3) heating the above mixture and followed by a heat preservation treatment to form a preform; (4) putting the preform into a mould, and filling salt particle to the full around the preform for compaction; (5) heating the preform to a temperature of 300-350 DEG C and followed by a heat preservation treatment, and pouring an overheated light metal solution into the mould to fill gap of the salt particle; (6) washing the salt particle away with water after cooling and solidification to obtain the galvanizing carbon fiber foamed light metal. The galvanizing carbon fiber foamed light metal has the advantages of high strength, high modulus and the like, and has wide and practical application.
Description
Technical field
The invention belongs to foam light metal technical field, be specifically related to a kind of zinc-plated carbon fiber foam light metal that utilizes zinc-plated carbon fiber enhancing foam light metal performance and preparation method thereof.
Background technology
Foam light metal such as foamed aluminium, foam magnesium, because characteristics such as its porosity height, density is little, specific surface area is big, has good performance at aspects such as conduction, heat conduction, sound-absorbing, damping, energy absorption and electromagnetic shieldings, thereby by the energy, metallurgy, machinery, communication, traffic, building, even field widespread use such as aerospace.But, make its purposes scope be subjected to certain restriction because of its intensity and poor toughness.
Summary of the invention
The object of the invention provides a kind of foam light metal of new texture, can overcome the shortcoming of existing foam light metal effectively.
The present invention is achieved in that the feature of the zinc-plated carbon fiber foam of the present invention light metal is foam light metal, for example zinc-plated carbon fiber foamed aluminium and the zinc-plated carbon fiber foam magnesium that short carbon fiber and light metal with surface galvanizing are composited.Its preparation method is:
1. take by weighing a certain amount of zinc chloride, ammonium chloride, boric acid, dextrin and put it to and be mixed into galvanizing solution in the water, make anode with pure zine plate, carbon fiber is made negative electrode, and cathode current density is 5-6A/dm
2, at room temperature carbon fiber is carried out surface galvanizing and handle, oven dry then, being cut into length is the zinc-plated short carbon fiber of 1-3mm.
2. zinc-plated short carbon fiber and carboxymethyl starch ether dispersion agent are joined in the saturated brine after vibration stirs, again salt particle is joined mix in the above-mentioned mixture after, in the container of packing into then, again with pressure head with its consolidation.
3. with the mixture heating up to 150 in the said vesse ℃-250 ℃, insulation 1-2 hour makes it become the precast body with certain intensity.
4. above-mentioned precast body is taken out from container and put into the metal die that a peripheral size is a bit larger tham the precast body size, around it, fill up salt particle, it is compressed reality through toasting.
5. the salt particle around above-mentioned precast body and its is heated to 300-350 ℃ and be incubated 0.5-1 hour together with mould, pours into light metal solution then, the superheated molten light metals is full of in the slit of salt particle fast by pressurization above fusing point 100-200 ℃.
6. wait to solidify the cooling back and form a skin by salt particle and light metal constitute, inner fuse is made of salt particle and zinc-plated carbon fiber and light metal complex body.
7. above-mentioned complex body is taken out from mould, utilize clear water to wash away, salt particle is cleaned out, and can obtain the blank of zinc-plated carbon fiber foam light metal.
8. after above-mentioned blank being cut outer foam light metal layer by mechanical workout, can obtain zinc-plated carbon fiber foam light metal of the present invention.
Advantage of the present invention and positively effect:
1. the present invention is owing to be to adopt zinc-plated carbon fiber and light metal to be mixed with the foam light metal material, and carbon fibre material has characteristics such as high strength, high-modulus, high temperature resistant and maskable hertzian wave, it is put into play the framework effect in the complex body, make the present invention can obtain practicality more widely.
2. the present invention has adopted zinc-plated carbon fibre material, makes the present invention solve the wettability and the interface problem of carbon fiber and light metal-based body effectively, makes the present invention practical more, reliable.
Description of drawings:
Fig. 1 is the internal structure synoptic diagram of zinc-plated carbon fiber foam light metal:
The 1----skin, 2----fuse, 3---space, the zinc-plated carbon fiber of 4----, 5----aluminum metal
Embodiment
1. take by weighing zinc chloride 180g/L, ammonium chloride 80g/L, boric acid 25g/L, dextrin 20g/L and be blended together and use water as solvent and be made into galvanizing solution, make anode with pure zine plate, carbon fiber is made negative electrode, and cathode current density is 5-6A/dm
2Unsized 1K carbon fiber is imported electrolytic plating pool by 5 equal-sized godet rollers carry out zinc-plated processing, by 5 equal-sized godet rollers zinc-plated carbon fiber is imported washing bath again after 6 minutes and carry out the flowing water cleaning, use infrared baking then, being cut into length is the zinc-plated short carbon fiber of 1-3mm.
2. the zinc-plated short carbon fiber of 3g and 0.5% carboxymethyl starch ether dispersion agent are joined in the 50ml saturated brine after ultrasonic vibration stirs, again with 45 the gram 0.8-1.5mm salt particles join mix in the above-mentioned mixture after, the diameter of packing into then is in the container of φ 30mm height 80mm, is that the pressure head of 0.5Mpa is with its consolidation with pressure again.
3. the mixture in the said vesse is heated to 200 ℃ of insulations 1.5 hours, makes it become precast body with certain intensity.
4. above-mentioned precast body being taken out from container and putting into an internal diameter through preheating is that φ 40mm highly is the 100mm metal die, fills up the salt particle that toasted through 200 ℃ around it, and it is compressed reality, and pressure is 0.5-1Mpa.
5. above-mentioned precast body and salt particle on every side are heated to 300-350 ℃ and be incubated half an hour together with mould, pour into 760 ℃ aluminum metal solution then, give the pressure of 10Mpa, superheated aluminum metal liquid is full of in the slit of granulated salt fast.
6. wait to solidify the cooling back and form a skin by salt particle and aluminum metal constitute, inner fuse is made of salt particle and zinc-plated carbon fiber and aluminum metal complex body.
7. above-mentioned complex body is taken out from mould, utilize clear water to wash away, the salt grain is cleaned out, and can obtain the blank of the zinc-plated carbon fiber foamed aluminium that a kind of zinc-plated carbon fiber and aluminum metal be combined into.
8. above-mentioned blank is cut outer foam aluminium by mechanical workout, can obtain zinc-plated carbon fiber foamed aluminium metal of the present invention.
Also can prepare zinc-plated carbon fiber foam magnesium metal with identical method.
Claims (2)
1. a zinc-plated carbon fiber foam light metal is characterized in that it is the foam light metal that is composited by zinc-plated carbon fiber and light metal.
2. zinc-plated carbon fiber foam light metal as claimed in claim 1 is characterized in that its preparation method is:
(1) take by weighing a certain amount of zinc chloride, ammonium chloride, boric acid and dextrin, placing it in to mix in a certain amount of water becomes galvanizing solution, makes anode with pure zine plate, makes negative electrode with carbon fiber, and anodic current density is 5-6A/dm
2, carbon fiber is put into galvanizing solution, it is carried out zinc-plated processing, cut into the zinc-plated short carbon fiber that length is 1-3mm after the oven dry then;
(2) take by weighing a certain amount of zinc-plated staple fibre and carboxymethyl starch ether and join in the saturated brine, after stirring by vibration, more a certain amount of salt particle is joined in the above-mentioned mixture, contain in the container back that stirs, with pressure head with its consolidation;
(3) with the mixture heating up in the said vesse to 150-250 ℃, be incubated 1-2 hour, make it become the system of giving body with certain intensity;
(4) the above-mentioned system body that gives is taken out from container and puts into a peripheral size and be a bit larger tham the metal die that gives system body size, give the system body around fill up the salt particle of crossing through overbaking, it is compressed reality;
(5) the above-mentioned system of giving body and salt particle on every side thereof are heated 300-350 ℃ together with mould, be incubated 0.5-1 hour, pour into light metal solution then, superheated light metal solution is full of in the slit of salt particle apace by pressurization above fusing point 100-200 ℃;
(6) curing to be cooled back forms a skin and is made of salt particle and light metal, the complex body that inner fuse is made of salt particle and zinc-plated carbon fiber and light metal;
(7) above-mentioned complex body is taken out from mould, utilize clear water to wash, salt particle is removed by cleaning, can obtain the blank of zinc-plated carbon fiber foam light metal;
(8) cut the outer field foam light metal of blank by mechanical workout after, can obtain zinc-plated carbon fiber foam light metal of the present invention.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101547737A CN102234748B (en) | 2010-04-21 | 2010-04-21 | Galvanizing carbon fiber foamed light metal and preparation method thereof |
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| CN2010101547737A CN102234748B (en) | 2010-04-21 | 2010-04-21 | Galvanizing carbon fiber foamed light metal and preparation method thereof |
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| CN102234748A true CN102234748A (en) | 2011-11-09 |
| CN102234748B CN102234748B (en) | 2012-09-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104694989A (en) * | 2015-03-12 | 2015-06-10 | 上海理工大学 | Preparation method of graphene-base metal composite material |
| CN109119604A (en) * | 2018-07-12 | 2019-01-01 | 暨南大学 | A kind of secondary zinc base battery nanometer Zn@C negative electrode material and preparation method thereof |
| CN109913776A (en) * | 2019-03-28 | 2019-06-21 | 中国飞机强度研究所 | A kind of fiber reinforcement Open-cell Aluminum Foam and preparation method thereof |
| CN110512246A (en) * | 2019-09-29 | 2019-11-29 | 太仓陶氏电气有限公司 | A kind of preparation process of the foam metal for cooling electronic component system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940262A (en) * | 1972-03-16 | 1976-02-24 | Ethyl Corporation | Reinforced foamed metal |
| CN101235522A (en) * | 2008-01-03 | 2008-08-06 | 上海交通大学 | Method for preparing carbon fiber surface zinc coat |
-
2010
- 2010-04-21 CN CN2010101547737A patent/CN102234748B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940262A (en) * | 1972-03-16 | 1976-02-24 | Ethyl Corporation | Reinforced foamed metal |
| CN101235522A (en) * | 2008-01-03 | 2008-08-06 | 上海交通大学 | Method for preparing carbon fiber surface zinc coat |
Non-Patent Citations (1)
| Title |
|---|
| 《2006年材料科学与工程新进展》 20061231 曹卓坤等 直接发泡法制备碳纤维增强泡沫铝 第459-463页 1-2 , * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104694989A (en) * | 2015-03-12 | 2015-06-10 | 上海理工大学 | Preparation method of graphene-base metal composite material |
| CN104694989B (en) * | 2015-03-12 | 2017-04-05 | 上海理工大学 | A kind of preparation method of graphene-based metallic composite |
| CN109119604A (en) * | 2018-07-12 | 2019-01-01 | 暨南大学 | A kind of secondary zinc base battery nanometer Zn@C negative electrode material and preparation method thereof |
| CN109913776A (en) * | 2019-03-28 | 2019-06-21 | 中国飞机强度研究所 | A kind of fiber reinforcement Open-cell Aluminum Foam and preparation method thereof |
| CN110512246A (en) * | 2019-09-29 | 2019-11-29 | 太仓陶氏电气有限公司 | A kind of preparation process of the foam metal for cooling electronic component system |
| CN110512246B (en) * | 2019-09-29 | 2020-11-03 | 太仓陶氏电气有限公司 | Preparation process of foam metal for electronic component heat dissipation system |
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| CN102234748B (en) | 2012-09-26 |
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