CN103834880B - A kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method - Google Patents
A kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method Download PDFInfo
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- CN103834880B CN103834880B CN201210489708.9A CN201210489708A CN103834880B CN 103834880 B CN103834880 B CN 103834880B CN 201210489708 A CN201210489708 A CN 201210489708A CN 103834880 B CN103834880 B CN 103834880B
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- iron
- spheroidal graphite
- graphite cast
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- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 55
- 229910000805 Pig iron Inorganic materials 0.000 title claims abstract description 54
- 239000011148 porous material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 20
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 47
- 239000004917 carbon fiber Substances 0.000 claims description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 47
- 239000011159 matrix material Substances 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 238000005266 casting Methods 0.000 claims description 20
- 239000002657 fibrous material Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 7
- 238000001764 infiltration Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 238000002309 gasification Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010114 lost-foam casting Methods 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000835 fiber Substances 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 230000005496 eutectics Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007528 sand casting Methods 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000222640 Polyporus Species 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
Prepared the invention belongs to material and manufacture field, more particularly to a kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method.The through hole pig iron or spheroidal graphite cast-iron porous material preparation method that this method is referred to include the smelting and pouring of the selection of fiber and the preparation of precast body, the pig iron or ductile cast iron material.The present invention, which is advantageous in that, to be solved via material aperture, is distributed uncontrollable problem, can be as needed, prepares the controllable through hole pig iron or spheroidal graphite cast-iron porous material such as out position, porosity, aperture.The through-hole diameter prepared：0.01mm -10mm, aspect ratio：1—500.The preparation process of the controllable through hole pig iron or spheroidal graphite cast-iron porous material of the present invention is simple, low cost, it is easy to accomplish industrialization.
Description
Technical field
Prepared the invention belongs to material and manufacture field, the more particularly to a kind of controllable through hole pig iron or spheroidal graphite cast-iron are porous
Material preparation method.
Background technology
Metal polyporous material be develop rapidly in the world in the later stage eighties it is a kind of have excellent physical characteristic and
The new engineering material of good mechanical performance, it possesses a variety of superior physical properties, such as proportion is small, rigidity big, it is bigger than surface,
Damping performance is good, soundproof effect is good, capability of electromagnetic shielding is high etc., it is applied widely in some high-tech sectors.It is right
In via metal material, also have the advantages that thermal conductivity is high, gas permeability is high, heat exchange heat-sinking capability is high.Metal foaming material
Can not only be used for the functional material of many occasions, also can as some occasions structural material, be a kind of many recruitments of excellent performance
Journey material.
The manufacture method of metal polyporous material is a lot, including gas insufflation, solid blowing agent method and metal/gas eutectic
The preparation methods such as directional solidification method, investment casting, infiltration casting, spray deposition and powder pressurization fusion method, wherein
Metal/gas eutectic directional solidification method utilize eutectic reaction in hydrogen gas bubbles float can through-hole porous material, but its aperture size,
The distribution in hole is uncontrollable, and is simply possible to use in the metal throuth hole porous materials few in number such as manufacture pure Cu, Mg.And it is currently manufactured logical
The technology of mesoporous metal material has electric spark and laser method, but both technologies have certain limitations to the depth of manufacturing hole, application
Prospect is by a definite limitation.
The content of the invention
Goal of the invention：The defect or deficiency existed for above-mentioned technology, the present invention is intended to provide a kind of controllable through hole pig iron
Or spheroidal graphite cast-iron porous material preparation method, the preparation of controllable the through hole pig iron or spheroidal graphite cast-iron porous material of the present invention
Journey is simple, can be as needed, prepares the controllable through hole pig iron or spheroidal graphite cast-iron porous material such as out position, porosity, aperture.
Technical scheme：The present invention is achieved through the following technical solutions：
A kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：This method presses following step
It is rapid to carry out：
（1）, choose need process the pig iron or spheroidal graphite cast-iron matrix material；
（2）, choose with the pig iron or spheroidal graphite cast-iron matrix material wellability difference fibrous material, to meet the fibrous material
It is more than 90 ° of requirement with the infiltration angle of metal matrix material；
（3）, on demand prepare the size in aperture, fibrous material tow is compiled into precast body；
（4）, the pig iron or ductile cast iron material melted；
（5）, according to the aperture location that need to be prepared, how many and length parameter, by the pig iron of the precast body of establishment and fusing or
Spheroidal graphite cast-iron matrix material solidifies in die cavity；
（6）, after coagulation forming, remove the precast body in the pig iron or spheroidal graphite cast-iron matrix material, prepare controllable through hole
The pig iron or spheroidal graphite cast-iron porous material.
The fibrous material of selection is that the fibrous material chosen is carbon fiber.
The carbon fiber of selection be standard specification 1k, 3k, 24K, 64K, or above-mentioned tow combination or fractionation, choose
Carbon fiber without plating, chemical plating, meet its performance for being more than 90 ° with the infiltration angle of metal matrix material.
The precast body of establishment and the pig iron or spheroidal graphite cast-iron matrix material of fusing are solidified in die cavity, Ke Yishi：First will
Precast body is put into die cavity, and the pig iron of fusing or spheroidal graphite cast-iron matrix material are poured into die cavity and solidified；Or using first by life
In iron or spheroidal graphite cast-iron matrix material injection die cavity, then the pig iron or spheroidal graphite cast-iron matrix material that precast body is melted as injection
Die cavity in solidify.
The die cavity of cast is sand mold or metal mold.
In the precast body of establishment, the establishment direction of fibrous material can be vertical, horizontal direction, also can be between vertical, water
Any angle between flat.
The establishment of carbon fiber precast body can be using hand weaving or machinery establishment.
The casting method used can be the various casting sides such as gravitational casting, compression casting, low pressure casting, lost foam casting
Method.
The carbon fiber precast body in the pig iron or spheroidal graphite cast-iron matrix material is removed, can directly be extracted out, can also be used it
Heated oxide, makes carbon fiber, into carbon dioxide, remove carbon fiber with gasification symphysis.
The precast body in the pig iron or spheroidal graphite cast-iron matrix material is removed, gases at high pressure or high pressure liquid are passed through using by its one end
Body, makes precast body be removed from metal matrix material, prepares the material of controllable through hole using pressure effect.
Advantage and effect：A kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method in the present invention, is prepared
The through hole pig iron or the bore dia of spheroidal graphite cast-iron porous material gone out：0.01mm -10mm, aspect ratio：1—500.Pass through carbon fiber
Poor (90 ° of the angle ＞ of infiltration of wellability with the pig iron or spheroidal graphite cast-iron）The characteristics of, so matrix material used is extensively, former material supply
Channel is wide, and advantage is provided for Product industrialization of the present invention production, wide popularization and application.Worked out according to carbon fiber precast body
Controllability, can require to be worked out according to the difference in the position in hole, porosity, aperture, so that the obtained through hole pig iron
Or the trend of spheroidal graphite cast-iron porous material shapes, the aperture of size and interior bone and hole can control, the scope of application is extremely wide.
It can be seen that this method technique very simple, pollution-free in process of production, three wastes, the harm to environment is not caused.
Embodiment：
The present invention general technical thinking be：Poor (90 ° of the angle ＞ of infiltration of wellability based on fiber and metal）, so as to choose
Carbon fiber without plating, chemical plating, carbon fiber, which just can reach, and parent metal is nonwettable requires.According to hole size
Difference require selection standard specification 1k, 3k, 24k, 64k carbon fiber, or above-mentioned tow combination be combined or
Split.Develop carbon fiber precast body.Precast body is compiled into using hand weaving or machine.In the carbon fiber precast body of establishment
The distribution of carbon fiber can uniformly, it is also non-homogeneous；The size of carbon fibre tow can be identical, also different；The establishment side of carbon fiber
To can vertically, level, any angle that also can be between vertical, level.By the precast body of establishment and molten metal bath in type
Solidified in chamber, the die cavity referred to can make sand mold or metal mold；The method used can cast for gravitational casting, pressure
Make, the various casting methods such as low pressure casting, lost foam casting.The precast body of establishment is solidified with molten metal in die cavity to be used
First molten metal is injected in die cavity, then by precast body as solidification in the die cavity of injection molten metal.Can be by after shaping to be solidified
Carbon fiber in precast body is directly extracted out；Oxidation can also be heated, makes carbon fiber and gasification symphysis into carbon dioxide gas
Body, is being removed；Its one end can also be passed through to gases at high pressure or highly pressurised liquid, make carbon fiber from metal using pressure effect
It is middle to remove, prepare via metal porous material.
It is illustrated below by specific embodiment：（Technical scheme is not limited only to embodiment）.
Embodiment 1：A kind of preparation method of controllable pig iron porous material, is carried out as follows：
（1）, from pig iron matrix material；
（2）, from carbon fiber：1k, 3k, 24k, 64k of selection standard specification carbon are required according to the difference of hole size
Fiber, or the combination of above-mentioned tow are combined or split；
(3), the preparation of carbon fiber precast body：The carbon fiber of selection is compiled into using hand weaving or machine prefabricated
In body, the carbon fiber precast body of establishment the distribution of carbon fiber can uniformly, it is also non-homogeneous；The size of carbon fibre tow can it is identical,
Also can be different；The establishment direction of carbon fiber can vertically, level, any angle that also can be between vertical, level；
(4), moulding：Moulding is carried out according to required product, sand casting can be taken, metal mold can also be chosen；
（5）, melting：With electro-smelting pig iron matrix material into liquid, according to the optional gravitational casting of selected materials difference,
The different casting technique such as compression casting, low pressure casting, lost foam casting；
（6）, it is die-filling：Carbon fiber precast body is chosen according to the specific requirement of the via material of manufacture, precast body is fitted into
In the type made, can also iron liquid to be generated as after in die cavity again by precast body as wherein；
（7）, cast：By in the pig iron liquid injection moulding after melting；
（8）, portal：After material solidification, carbon fiber can directly be extracted out；Carbon fiber heating can also be aoxidized, made
Carbon fiber, into carbon dioxide, removes carbon fiber with gasification symphysis；Its one end can also be passed through to gases at high pressure or high pressure
Liquid, makes it be removed from the pig iron, prepares porous material using pressure effect.
Embodiment 2：A kind of preparation method of controllable spheroidal graphite cast-iron porous material, is carried out as follows：
（1）, from spheroidal graphite cast-iron matrix material；
（2）, from carbon fiber：1k, 3k, 24k, 64k of selection standard specification carbon are required according to the difference of hole size
Fiber, or the combination of above-mentioned tow are combined or split；
(3), the preparation of carbon fiber precast body：The carbon fiber of selection is compiled into using hand weaving or machine prefabricated
In body, the carbon fiber precast body of establishment the distribution of carbon fiber can uniformly, it is also non-homogeneous；The size of carbon fibre tow can it is identical,
Also can be different；The establishment direction of carbon fiber can vertically, level, any angle that also can be between vertical, level；
(4), moulding：Moulding is carried out according to required product, sand casting can be taken, metal mold can also be chosen；
（5）, melting：With electric furnace smelting nodular cast iron matrix material into liquid, according to the optional gravity of selected materials difference
The different casting technique such as casting, compression casting, low pressure casting, lost foam casting；
（6）, it is die-filling：Carbon fiber precast body is chosen according to the specific requirement of the via material of manufacture, precast body is fitted into
, can also be after during spheroidal graphite cast-iron liquid be as die cavity again by precast body as wherein in the type made；
（7）, cast：By in the spheroidal graphite cast-iron liquid injection moulding after melting；
（8）, portal：After material solidification, carbon fiber can directly be extracted out；Carbon fiber heating can also be aoxidized, made
Carbon fiber, into carbon dioxide, removes carbon fiber with gasification symphysis；Its one end can also be passed through to gases at high pressure or high pressure
Liquid, makes it be removed from spheroidal graphite cast-iron, prepares porous material using pressure effect.
The present invention, which is advantageous in that, to be solved the through hole pig iron or spheroidal graphite cast-iron aperture of porous material, is distributed uncontrollable ask
Topic, can be as needed, prepares out position, porosity, aperture etc. controllable through-hole porous metal material.The through hole gold prepared
Genus polyporus material diameter：0.01mm -10mm, aspect ratio：1—500.Controllable via metal porous material of the present invention
Preparation process is simple, low cost, it is easy to accomplish industrialization.
Claims (8)
1. a kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：This method is according to the following steps
Carry out：
（1）, choose need process the pig iron or spheroidal graphite cast-iron matrix material；
（2）, choose with the pig iron or spheroidal graphite cast-iron matrix material wellability difference fibrous material, to meet the fibrous material with gold
The infiltration angle for belonging to matrix material is more than 90 ° of requirement；
（3）, on demand prepare the size in aperture, fibrous material tow is compiled into precast body；
（4）, the pig iron or ductile cast iron material melted；
（5）, according to the aperture location that need to be prepared, how many and length parameter, by the precast body of establishment and the pig iron or spheroidal graphite of fusing
Cast iron matrix material solidifies in die cavity；
（6）, after coagulation forming, remove the precast body in the pig iron or spheroidal graphite cast-iron matrix material, prepare the controllable through hole pig iron
Or spheroidal graphite cast-iron porous material；
The fibrous material of selection is carbon fiber；The through hole pig iron or the aspect ratio of spheroidal graphite cast-iron porous material prepared：1—500.
2. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Choosing
The carbon fiber taken is 1K, 3K, 24K, 64K of standard specification, is the combination or fractionation of above-mentioned tow, the carbon fiber of selection is without electricity
Plating, chemical plating, meet its performance for being more than 90 ° with the infiltration angle of metal matrix material.
3. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Pour
The die cavity of note is sand mold or metal mold.
4. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Adopt
Method is gravitational casting, compression casting, low pressure casting or lost foam casting.
5. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Will
The precast body of establishment and the pig iron or spheroidal graphite cast-iron matrix material of fusing solidify in die cavity, i.e.,：Precast body is first put into die cavity
In, the pig iron of fusing or spheroidal graphite cast-iron matrix material are poured into die cavity and solidified；Or using first by the pig iron or nodular cast iron-based
In body material injection die cavity, then by precast body as solidification in the pig iron of injection fusing or the die cavity of spheroidal graphite cast-iron matrix material.
6. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Compile
In the precast body of system, the establishment direction of fibrous material is vertical, horizontal direction, or any angle between vertical, level.
7. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Go
Except the carbon fiber precast body in the pig iron or spheroidal graphite cast-iron matrix material, directly extract out, or using oxidation is heated, make carbon fiber
With gasification symphysis into carbon dioxide, carbon fiber is removed.
8. the controllable through hole pig iron according to claim 1 or spheroidal graphite cast-iron porous material preparation method, it is characterised in that：Go
Except the precast body in the pig iron or spheroidal graphite cast-iron matrix material, gases at high pressure or highly pressurised liquid are passed through using by its one end, pressure is utilized
Power effect makes precast body be removed from metal matrix material, prepares the material of controllable through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210489708.9A CN103834880B (en) | 2012-11-27 | 2012-11-27 | A kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489708.9A CN103834880B (en) | 2012-11-27 | 2012-11-27 | A kind of controllable through hole pig iron or spheroidal graphite cast-iron porous material preparation method |
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| Publication Number | Publication Date |
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| CN103834880A CN103834880A (en) | 2014-06-04 |
| CN103834880B true CN103834880B (en) | 2017-07-14 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294951A (en) * | 1999-11-04 | 2001-05-16 | Ykk株式会社 | Method and apparatus for producing cast product with microholes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2473120C (en) * | 2002-02-22 | 2008-10-14 | Hideo Nakajima | Metal porous body manufacturing method |
| US20090081444A1 (en) * | 2005-05-30 | 2009-03-26 | Markus Kattannek | Porous metal foam body |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294951A (en) * | 1999-11-04 | 2001-05-16 | Ykk株式会社 | Method and apparatus for producing cast product with microholes |
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Inventor after: Chen Yingzhi Inventor before: Qu Yingdong Inventor before: Jiang Ke Inventor before: Zhang Xinning Inventor before: Zhao Zhiqiang Inventor before: Tang Meng Inventor before: Qin Gang Inventor before: Gao Minqiang Inventor before: Li Rongde Inventor before: Jin Meiling Inventor before: Jiang Lipeng Inventor before: Su Ruiming Inventor before: Ma Guanghui Inventor before: You Junhua Inventor before: Wang Ruichun Inventor before: Zhang Guohong |
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Effective date of registration: 20180207 Address after: Luzhai center Liuzhou industrial park the Guangxi Zhuang Autonomous Region 545600 Patentee after: Liuzhou Fucheng Hardware Products Co.,Ltd. Address before: 110870 Shenyang economic and Technological Development Zone, Liaoning, No. 111 Patentee before: Shenyang University of Technology |
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Granted publication date: 20170714 |