CN1986868A - Carbon fiber mixing reinforced magnesium-base high modulus composite material and its preparing process - Google Patents
Carbon fiber mixing reinforced magnesium-base high modulus composite material and its preparing process Download PDFInfo
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Abstract
The present invention relates to one kind of carbon fiber mixture reinforced magnesium-base high modulus composite material and its preparation process. The composite material consists of magnesium-base alloy and added reinforcing mixture phase comprising carbon fiber 30-70 wt% and hollow micro bead grain 1-5 wt%. The preparation process includes the first prefabricated body preparation and the subsequent extrusion casting to prepare final composite material. The addition of the hollow micro bead results in the homogeneous dispersion of the carbon fiber, solves the problem of wetting between magnesium and carbon fiber and avoids the cutting of mixture grain to carbon fiber. The composite material has high modulus performance, simple preparation process and low production cost.
Description
Technical field
The present invention relates to a kind of preparation method of technical field of composite materials, specifically is a kind of carbon fiber mixing reinforced magnesium-base high modulus composite material and preparation method thereof.
Background technology
Metal-base composites be with two or more material by being composited someway, purpose is more effectively to bring into play differing materials characteristic separately, and gives this material of single materials used not available good composite performance.In recent years, along with automobile and development of aviation and aerospace technology, the matrix material that with the light alloy is matrix more and more demonstrates wide application prospect, but present research focuses mostly on aspect aluminum matrix composite, and the preparation of aluminum matrix composite, microtexture, performance etc. have been carried out deep research.Compare the low (1.74g/cm of the density of magnesium with aluminium
3), be about 64% of aluminium, 20% of steel.Therefore, its specific tenacity is apparently higher than aluminium and steel.
Because there is the low deficiency that waits of Young's modulus in magnesium, has than magnesium alloy comprehensive performance with the magnesium base composite material that adds various forms of enhancing systems one-tenth, has become an important research field of metal-base composites.By selecting for use the high-modulus carbon fiber as strengthening the modulus that body can effectively improve material.
Find through literature search prior art, Carolin Koerner etc. are at " AdvancedEngineering Materials " (" advanced engineering materials ") (2000, Volume2, Issue6, P327-337) adopt the counter-pressure casting method to prepare matrix material in " Carbon long fiber reinforced magnesium alloys " (" long-carbon-fiber enhancing magnesium alloy ") literary composition of delivering, preform temperatures need be preheated to 720 ℃ in this method, and gas pressure difference reaches 100 normal atmosphere; W.Hufenbach etc. are at " Journal ofMaterials Processing Technology " (" material processing technique magazine ") (2006, Volume175, Issues1-3, P218-224) deliver " Fabrication technology and materialcharacterization of carbon fiber reinforced magnesium " adopt the pressure die casting method to obtain matrix material in (" manufacturing process of carbon fiber reinforced magnesium and material describe ") literary composition, in this method, preform temperatures need be preheated to 850 ℃, and gas pressure difference reaches 80 normal atmosphere.The deficiency of above-mentioned two methods is that the draught head of its requirement is big, and to the equipment requirements height, complicated process of preparation is difficult to large-scale application.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing preparation carbon fiber reinforced magnesium-base composite material, a kind of carbon fiber mixing reinforced magnesium-base high modulus composite material and preparation method thereof is provided, make its matrix material of preparing have higher modulus, adopt Extrution casting technique to be easy to obtain the required pressure difference of composite material forming, the preparation method is simple to operation, need not complex apparatus, simultaneously by adding cenosphere as mixing phase, effectively disperseed carbon fiber bundle, solved the wetting problem between magnesium and the carbon fiber, and avoided the cutting action of miscellaneous granules carbon fiber.
The present invention is achieved by the following technical solutions, carbon fiber mixing reinforced magnesium-base high modulus composite material of the present invention, the wild phase that mixes by Magnuminium and interpolation is formed, the weight percent that wild phase accounts for matrix material that mixes that adds is: carbon fiber 30-70%, the carbon fiber filament diameter is 6-8 μ m, particle wild phase cenosphere is 1-5%, and diameter is 3-10 μ m, and all the other are Magnuminium.
The weight percent of the composition range of described Magnuminium: 5-10%Al, 0-5%Si, 0-1%Re, impurity≤0.1%, all the other are Mg.
The particle wild phase cenosphere that the present invention is used converges smart Ya Nami novel material company limited for Shanghai and produces, and is the nonmetal multifunctional material of a kind of lightweight, and main component is SiO
2And Al
2O
3, outward appearance is greyish white or grey, and is loose, and sphere, has hard shell at good fluidity, hollow, and wall thickness is the 8-10% of its diameter, is applied to coating, paint field at present.
The present invention also provides the preparation method of above-mentioned carbon fiber mixing reinforced magnesium-base high modulus composite material, at first carries out the precast body preparation, adopts Squeeze Casting to prepare final matrix material then.
Described precast body preparation, step is:
(1) earlier carbon fiber is become prefabricated component as 3 D weaving;
(2) prefabricated component is placed acetone soak and removed photoresist in 5 minutes, take out, place deionized water to soak, the acetone that flush away is residual, and oven drying at low temperature, drying temperature are 100-150 ℃:
(3) get cenosphere and mix with water, the cenosphere mass ratio is 10-20%, stirs, and obtains the cenosphere suspension liquid;
(4) prefabricated carbon fiber spare was soaked 15-30 minute as for obtaining the cenosphere suspension liquid, and the in addition ultrasonic concussion of 40kHz;
(5) take out the prefabricated component oven drying at low temperature, drying temperature is 100-150 ℃, time 20-60 minute.Described employing Squeeze Casting prepares final matrix material, and step is:
(1) to mould and die preheating, mould adopts metal pattern, and preheating temperature is 250-400 ℃;
(2) to prefabricated component preheating in advance, preheating temperature is 450-650 ℃;
(3) magnesium alloy melting in electric furnace of preparation by weight percentage, pouring temperature is 700-750 ℃;
(4) extruding, squeeze pressure is 30-100MPa, the dwell time is 3-10 second.
The matrix material of final preparation is: magnesium alloy+30-70% carbon fiber+1-5% cenosphere, wherein percentage ratio is the weight percent of ingredients constitute matrix material.
Compared with prior art, the present invention mixes by adding spherical cenosphere, has solved the infiltration problem that magnesium and carbon fiber strengthen body with simple process, has avoided the cutting action of miscellaneous granules to carbon fiber simultaneously.Adopt Extrution casting technique then can obtain the required pressure difference of composite material forming comparatively easily.The composite structure densification that the present invention is prepared has outstanding modulus properties, and modulus reaches 59-135GP, and the preparation method is simple, and production cost is low.
Embodiment
Below embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Use carbon fiber to produce as the carbon element factory, Jilin, diameter 6-8 μ m, every bundle carbon fiber has 1000 monofilament, and modulus is 175GPa.Carbon fiber becomes prefabricated component as 3 D weaving, and knitting tightness (volume of fiber volume fraction braiding back prefabricated component before the braiding) is 30%.Place acetone to soak prefabricated component and removed photoresist in 5 minutes, and took out, place deionized water to soak 10 minutes, the acetone that flush away is residual, and oven drying at low temperature, drying temperature are 100 ℃, 1 hour time of drying; Get cenosphere and mix with water, the cenosphere mass ratio is 20%, stirs, and obtains the cenosphere suspension liquid; To place the cenosphere suspension liquid of 20% mass ratio through prefabricated carbon fiber spare, soak and the in addition ultrasonic concussion 15 minutes of 40kHz, take out in 100 ℃ dry 60 minutes down.
Squeeze casting mould is preheated to 250 ℃, and prefabricated component is preheated to 450 ℃.Under the condition of gas shield, treat pure magnesium and 5% fine aluminium 730 ℃ fully the fusing after, stirred 10 minutes, stirring velocity 200r/min, pouring temperature are 700 ℃.During casting, extrusion casting pressure is 30MPa, 10 seconds dwell times.The magnesium base composite material that obtains contains 30% carbon fiber, and 5% cenosphere (weight percent) is 59GPa along the fiber direction modulus.
Embodiment 2
Use carbon fiber with embodiment 1.Carbon fiber becomes prefabricated component as 3 D weaving, and knitting tightness is 45%.Place acetone to soak prefabricated component and removed photoresist in 5 minutes, and took out, place deionized water to soak 10 minutes, the acetone that flush away is residual, and oven drying at low temperature, drying temperature are 125 ℃, 1 hour time of drying; Get cenosphere and mix with water, the cenosphere mass ratio is 15%, stirs, and obtains the cenosphere suspension liquid; To place the cenosphere suspension liquid of 20% mass ratio through prefabricated carbon fiber spare, soak and the in addition ultrasonic concussion 20 minutes of 40kHz, take out in 125 ℃ dry 50 minutes down.
Squeeze casting mould is preheated to 350 ℃, and prefabricated component is preheated to 500 ℃.Under the condition of gas shield, treat pure magnesium and 8% fine aluminium at 740 ℃ fully after the fusing, with the Al-10Re form add 0.5%Re, the Al-50Si form adds 2.5%Si, stirs stirring velocity 200r/min 10 minutes.Pouring temperature is 730 ℃.During casting, squeeze pressure is 70MPa, 5 seconds dwell times.The magnesium base composite material that obtains contains 45% carbon fiber, and 2.5% cenosphere (weight percent) is 90GPa along the fiber direction modulus.
Embodiment 3
Use carbon fiber with embodiment 1.Carbon fiber becomes prefabricated component as 3 D weaving, and knitting tightness is 70%.Place acetone to soak prefabricated component and removed photoresist in 5 minutes, and took out, place deionized water to soak 10 minutes, the acetone that flush away is residual, and oven drying at low temperature, drying temperature are 150 ℃, 1 hour time of drying; Get cenosphere and mix with water, the cenosphere mass ratio is 10%, stirs, and obtains the cenosphere suspension liquid; To place the cenosphere suspension liquid of 20% mass ratio through prefabricated carbon fiber spare, soak and the in addition ultrasonic concussion 30 minutes of 40kHz, take out in 150 ℃ dry 30 minutes down.
Squeeze casting mould is preheated to 400 ℃, and prefabricated component is preheated to 650 ℃.Under the condition of gas shield, treat pure magnesium and 10% fine aluminium at 760 ℃ fully after the fusing, with the Al-10Re form add 1%Re, the Al-50Si form adds 5%Si, stirs stirring velocity 200r/min 10 minutes.Pouring temperature is 750 ℃.During casting, squeeze pressure is 100MPa, 3 seconds dwell times.The magnesium base composite material that obtains contains 70% carbon fiber, and 1% cenosphere (weight percent) is 135GPa along the fiber direction modulus.
Claims (10)
1, a kind of carbon fiber mixing reinforced magnesium-base high modulus composite material is characterized in that, is made up of the wild phase that mixes of Magnuminium and interpolation, and wherein, the weight percent that mixes wild phase of interpolation is: carbon fiber 30-70%, particle wild phase cenosphere 1-5%; Magnuminium is a surplus.
2, carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 1 is characterized in that, described Magnuminium, and its composition weight percent is: 5-10%Al, 0-5%Si, 0-1%Re, impurity≤0.1%, all the other are Mg.
3, carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 1 is characterized in that, described carbon fiber, filament diameter are 6-8 μ m.
4, carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 1 is characterized in that, described particle wild phase cenosphere, diameter are 3-10 μ m.
5, a kind of preparation method of carbon fiber mixing reinforced magnesium-base high modulus composite material as claimed in claim 1 is characterized in that, at first carries out the precast body preparation, adopts Squeeze Casting to prepare final matrix material then,
Described precast body preparation, step is:
(1) earlier carbon fiber is become prefabricated component as 3 D weaving;
(2) prefabricated component is placed acetone soak and remove photoresist, take out, place deionized water to soak, the acetone that flush away is residual, and oven drying at low temperature;
(3) get cenosphere and mix with water, the cenosphere mass ratio is 10-20%, stirs, and obtains the cenosphere suspension liquid;
(4) prefabricated carbon fiber spare is soaked as for obtaining the cenosphere suspension liquid, and in addition ultrasonic concussion;
(5) take out the prefabricated component oven drying at low temperature;
Described Squeeze Casting, step is:
(1) to mould and die preheating, mould adopts metal pattern;
(2) to prefabricated component preheating in advance;
(3) magnesium alloy melting in electric furnace of preparation by weight percentage;
(4) extruding.
6, the preparation method of carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 5 is characterized in that, in the described precast body preparation process (2), prefabricated component places acetone to soak and removed photoresist in 5 minutes, and the temperature of oven drying at low temperature is 100-150 ℃.
7, the preparation method of carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 5 is characterized in that, in the described precast body preparation process (4), soak time is 15-30 minute, and ultrasonic is 40kHz.
8, the preparation method of carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 5 is characterized in that, in the described precast body preparation process (5), the drying temperature of oven drying at low temperature is 100-150 ℃, time 20-60 minute.
9, the preparation method of carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 5 is characterized in that, and is described to mould and die preheating, and preheating temperature is 250-400 ℃; Described to prefabricated component preheating in advance, preheating temperature is 450-650 ℃.
10, the preparation method of carbon fiber mixing reinforced magnesium-base high modulus composite material according to claim 5 is characterized in that, described melting in electric furnace, and pouring temperature is 700-750 ℃; Described extruding, squeeze pressure are 30-100MPa, and the dwell time is 3-10 second.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705456B (en) * | 2009-11-16 | 2011-03-30 | 重庆大学 | Method for preparing short carbon fiber reinforced magnesium-base composite material with good damping characteristic |
| CN102051535A (en) * | 2011-01-14 | 2011-05-11 | 南京信息工程大学 | Damping abrasion resistant magnesium alloy material and preparation method thereof |
| CN102127722A (en) * | 2011-03-22 | 2011-07-20 | 上海交通大学 | Three-dimensional orthotropic carbon fiber reinforced aluminum-based composite material and preparation method thereof |
| CN101391500B (en) * | 2007-09-21 | 2014-08-20 | 清华大学 | Magnesium based composite material and preparation method thereof |
| CN104313517A (en) * | 2014-10-31 | 2015-01-28 | 荣成复合材料有限公司 | Novel engine tappet |
| CN104871256A (en) * | 2012-12-20 | 2015-08-26 | 3M创新有限公司 | Particle loaded, fiber-reinforced composite materials |
| CN105478683A (en) * | 2015-12-08 | 2016-04-13 | 天津航天机电设备研究所 | Carbon fiber reinforced Mg-base composite hollow pipe and preparation method thereof |
| WO2017116590A3 (en) * | 2015-12-08 | 2017-11-09 | 3M Innovative Properties Company | Metal matrix composites including inorganic particles and discontinuous fibers and methods of making same |
| CN108048765A (en) * | 2017-12-22 | 2018-05-18 | 芜湖环瑞汽车内饰件有限公司 | A kind of automotive upholstery production magnesium alloy materials and preparation method thereof |
| CN111155038A (en) * | 2020-02-13 | 2020-05-15 | 上海交通大学 | Preparation method of chopped carbon fiber reinforced magnesium-based composite material |
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| CN100408714C (en) * | 2003-03-04 | 2008-08-06 | 吉林大学 | Mixing-reinforced magnesium-base self-lubricating composite material and preparing method |
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2006
- 2006-12-21 CN CNB2006101476434A patent/CN100410413C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101391500B (en) * | 2007-09-21 | 2014-08-20 | 清华大学 | Magnesium based composite material and preparation method thereof |
| CN101705456B (en) * | 2009-11-16 | 2011-03-30 | 重庆大学 | Method for preparing short carbon fiber reinforced magnesium-base composite material with good damping characteristic |
| CN102051535A (en) * | 2011-01-14 | 2011-05-11 | 南京信息工程大学 | Damping abrasion resistant magnesium alloy material and preparation method thereof |
| CN102127722A (en) * | 2011-03-22 | 2011-07-20 | 上海交通大学 | Three-dimensional orthotropic carbon fiber reinforced aluminum-based composite material and preparation method thereof |
| CN102127722B (en) * | 2011-03-22 | 2012-11-07 | 上海交通大学 | Three-dimensional orthotropic carbon fiber reinforced aluminum-based composite material and preparation method thereof |
| CN104871256A (en) * | 2012-12-20 | 2015-08-26 | 3M创新有限公司 | Particle loaded, fiber-reinforced composite materials |
| US9460830B2 (en) | 2012-12-20 | 2016-10-04 | 3M Innovative Properties Company | Particle loaded, fiber-reinforced composite materials |
| CN104313517A (en) * | 2014-10-31 | 2015-01-28 | 荣成复合材料有限公司 | Novel engine tappet |
| CN105478683A (en) * | 2015-12-08 | 2016-04-13 | 天津航天机电设备研究所 | Carbon fiber reinforced Mg-base composite hollow pipe and preparation method thereof |
| WO2017116590A3 (en) * | 2015-12-08 | 2017-11-09 | 3M Innovative Properties Company | Metal matrix composites including inorganic particles and discontinuous fibers and methods of making same |
| CN105478683B (en) * | 2015-12-08 | 2018-04-20 | 天津航天机电设备研究所 | A kind of carbon fiber reinforced magnesium-base composite material hollow pipe and preparation method thereof |
| CN108699662A (en) * | 2015-12-08 | 2018-10-23 | 3M创新有限公司 | Include the metal-matrix composite and preparation method thereof of inorganic particulate and discontinuous fibre |
| EP3386663A4 (en) * | 2015-12-08 | 2019-06-12 | 3M Innovative Properties Company | Methods of making metal matrix composites including inorganic particles and discontinuous fibers |
| CN108048765A (en) * | 2017-12-22 | 2018-05-18 | 芜湖环瑞汽车内饰件有限公司 | A kind of automotive upholstery production magnesium alloy materials and preparation method thereof |
| CN111155038A (en) * | 2020-02-13 | 2020-05-15 | 上海交通大学 | Preparation method of chopped carbon fiber reinforced magnesium-based composite material |
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