CN103834827B - A kind of controlled through hole stannum and ashbury metal porous material preparation method - Google Patents
A kind of controlled through hole stannum and ashbury metal porous material preparation method Download PDFInfo
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- CN103834827B CN103834827B CN201210489622.6A CN201210489622A CN103834827B CN 103834827 B CN103834827 B CN 103834827B CN 201210489622 A CN201210489622 A CN 201210489622A CN 103834827 B CN103834827 B CN 103834827B
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Abstract
The invention belongs to material preparation and manufacture field, particularly relate to a kind of controlled through hole stannum and ashbury metal porous material preparation method.Through hole stannum that this method is mentioned and ashbury metal porous material preparation method include selection and the smelting and pouring of the preparation of precast body, stannum and tin alloy material of fiber.The present invention is advantageous in that and solves via material aperture, is distributed uncontrollable problem, can prepare the most controlled through hole stannum and the ashbury metal porous materials such as position, porosity, aperture as required.The through-hole diameter prepared: 0.01mm 10mm, aspect ratio: 1 500.The controlled through hole stannum that the present invention relates to and the preparation process of ashbury metal porous material are simple, low cost, it is easy to accomplish industrialization.
Description
Technical field
The invention belongs to material preparation and manufacture field, particularly relate to a kind of controlled through hole stannum and ashbury metal porous material
Preparation method.
Background technology
Metal polyporous material be develop rapidly in the world in the later stage eighties a kind of have excellence physical characteristic and
The new engineering material of good mechanical performance, it possesses multiple superior physical properties, as little in proportion, rigidity is big, specific surface is big,
Damping performance is good, soundproof effect is good, capability of electromagnetic shielding is high so that it is be applied widely in some high-tech sectors.Right
In via metal material, also there is thermal conductivity height, gas permeability height, heat exchange heat-sinking capability advantages of higher.Metal foaming material
Can not only be used for the functional material of many occasions, it is possible to as the structural material of some occasion, be many recruitments of a kind 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 methoies such as directional solidification method, investment casting, infiltration casting, spray deposition and powder pressurization fusion method, wherein
The hydrogen gas bubbles that utilizes metal/gas eutectic directional solidification method in eutectic reaction 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 the degree of depth of manufacturing hole is had certain limitations by both technology, application
Prospect is by a definite limitation.
Summary of the invention
Goal of the invention: the defect existed for above-mentioned technology or deficiency, it is desirable to provide a kind of controlled through hole stannum and
Ashbury metal porous material preparation method, the controlled through hole stannum that the present invention relates to and the preparation process of ashbury metal porous material are simple,
The most controlled through hole stannum and the ashbury metal porous materials such as position, porosity, aperture can be prepared as required.
Technical scheme: the present invention is achieved through the following technical solutions:
A kind of controlled through hole stannum and ashbury metal porous material preparation method, it is characterised in that: the method is entered according to the following steps
OK:
(1), the stannum needing to process and ashbury metal matrix material are chosen；
(2), choose the fibrous material poor with this stannum and ashbury metal matrix material wellability, this fibrous material and gold will be met
Belong to the requirement that the infiltration angle of matrix material is more than 90 °；
(3) prepare the size in aperture, on demand, fibrous material tow is compiled into precast body；
(4), stannum and tin alloy material are melted；
(5), according to the aperture location that need to prepare, how many and length parameter, by the precast body of establishment and the stannum of fusing and stannum
Alloy base material solidifies in die cavity；
(6), after coagulation forming, remove the precast body in stannum and ashbury metal matrix material, prepare the stannum of controlled through hole
And ashbury metal porous material.
The fibrous material chosen be the fibrous material chosen be carbon fiber.
The carbon fiber chosen is 1k, 3k, 24K, 64K of standard specifications, it is possible to for combination or the fractionation of above-mentioned tow, choose
Carbon fiber process without plating, chemical plating, meet its performance more than 90 ° of infiltration angle with metal matrix material.
The precast body of establishment is solidified with the stannum of fusing and ashbury metal matrix material in die cavity, may is that first by prefabricated
Body is put in die cavity, and stannum and the ashbury metal matrix material of fusing are poured in die cavity and solidified；Or use first by stannum and ashbury metal
Matrix material injection type intracavity, then precast body is solidified as in the die cavity of the stannum and ashbury metal matrix material that inject fusing.
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, it is possible between vertical, water
Any angle between Ping.
The establishment of prefabricated carbon fiber body can use 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.
Remove the prefabricated carbon fiber body in stannum and ashbury metal matrix material, can directly extract out, it is possible to use and be heated
Oxidation, makes carbon fiber become carbon dioxide with gasification symphysis, removes carbon fiber.
Remove the precast body in stannum and ashbury metal matrix material, use and its one end is passed through gases at high pressure or highly pressurised liquid,
Utilize pressure effect to make precast body remove from metal matrix material, prepare the material of controlled through hole.
Advantage and effect: the one controlled through hole stannum in the present invention and ashbury metal porous material preparation method, prepare
Through hole stannum and the bore dia of ashbury metal porous material: 0.01mm 10mm, aspect ratio: 1 500.By carbon fiber and stannum and stannum
The feature of the wellability poor (infiltration angle ＞ 90 °) of alloy, so matrix material used is extensive, former material supply channel is wide, for this
Invention Product industrialization produces, wide popularization and application provides advantage.According to the controllability of prefabricated carbon fiber body establishment, can
Work out with the position according to hole, porosity, the different requirement in aperture, thus obtained through hole stannum and ashbury metal porous material
The trend in material shape, size and the aperture of interior bone and hole all can control, and the scope of application is the widest.Visible the method technique ten
Point simple, the most pollution-free, without the three wastes, do not cause the harm to environment.
Detailed description of the invention:
The general technical thinking of the present invention is: wellability based on fiber Yu metal poor (infiltration angle ＞ 90 °), thus chooses
Carbon fiber without plating, chemical plating process, carbon fiber just can reach requirement nonwettable with parent metal.According to hole dimension
Difference require the carbon fiber of 1k, 3k, 24k, 64k of selection standard specification, it is possible to the combination for above-mentioned tow be combined or
Split.Develop prefabricated carbon fiber body.Precast body uses hand weaving or machine to be compiled into.In the prefabricated carbon fiber body of establishment
The distribution of carbon fiber can uniformly, also can be non-homogeneous；The size of carbon fibre tow can identical, also can be different；The establishment side of carbon fiber
To can vertically, level, it is possible to any angle between vertical, level.By the precast body of establishment with molten metal bath in type
Solidifying in chamber, the die cavity mentioned can make sand mold, it is also possible to is metal mold；The method used can be gravitational casting, pressure casting
Make, the various casting methods such as low pressure casting, lost foam casting.The precast body of establishment is solidified in die cavity can use with molten metal
First by molten metal injection type intracavity, then precast body is solidified as in the die cavity of injection molten metal.Can be by after molding to be solidified
Carbon fiber in precast body is directly extracted out；Oxidation can also be heated, make carbon fiber become carbon dioxide gas with gasification symphysis
Body, is being removed；Its one end can also be passed through gases at high pressure or highly pressurised liquid, utilize pressure effect to make carbon fiber from metal
Middle removal, prepares via metal porous material.
It is illustrated below by specific embodiment: (technical scheme is not limited only to embodiment).
Embodiment 1: a kind of controlled through hole stannum or the preparation method of ashbury metal porous material, is carried out as follows:
(1), stannum or ashbury metal matrix material are selected；
(2), select carbon fiber: according to hole dimension difference require the carbon of 1k, 3k, 24k, 64k of selection standard specification
Fiber, it is possible to the combination for above-mentioned tow is combined or splits；
(3), the preparation of prefabricated carbon fiber body: use hand weaving or machine to be compiled into prefabricated on the carbon fiber chosen
Body, in the prefabricated carbon fiber body of establishment, the distribution of carbon fiber can uniformly, also can be non-homogeneous；The size of carbon fibre tow can identical,
Also can be different；The establishment direction of carbon fiber can vertically, level, it is possible to any angle between vertical, level；
(4), moulding: carry out moulding according to required goods, sand casting can be taked, it is also possible to choose metal mold；
(5), melting: become liquid with electro-smelting stannum or ashbury metal matrix material, according to the optional weight of selected materials difference
The different casting techniques such as power casting, compression casting, low pressure casting, lost foam casting；
(6), die-filling: to choose prefabricated carbon fiber body according to the specific requirement of the via material manufactured, precast body is fitted into
In the type made, it is also possible to after in stannum or ashbury metal liquid are as die cavity again by precast body as wherein；
(7), cast: the stannum after melting or ashbury metal liquid are injected in moulding；
(8), portal: when, after material solidification, carbon fiber directly being extracted out；Carbon fiber heating can also be aoxidized, make
Carbon fiber becomes carbon dioxide with gasification symphysis, removes carbon fiber；Its one end can also be passed through gases at high pressure or high pressure
Liquid, utilizes pressure effect to make it remove from stannum or ashbury metal, prepares porous material.
The present invention is advantageous in that and solves through hole stannum and ashbury metal aperture of porous material, is distributed uncontrollable problem,
The most controlled through-hole porous metal materials such as position, porosity, aperture can be prepared as required.The via metal prepared
Porous porous material diameter: 0.01mm 10mm, aspect ratio: 1 500.The controlled via metal porous material that the present invention relates to
Preparation process simple, low cost, it is easy to accomplish industrialization.
Claims (9)
1. a controlled through hole stannum and ashbury metal porous material preparation method, it is characterised in that: the method sequentially includes the following steps:
(1), the stannum needing to process and ashbury metal matrix material are chosen；
(2), choose the fibrous material poor with this stannum and ashbury metal matrix material wellability, this fibrous material and Metal Substrate will be met
The requirement more than 90 ° of the infiltration angle of body material；
(3) prepare the size in aperture, on demand, fibrous material tow is compiled into precast body；
(4), stannum and tin alloy material are melted；
(5), according to the aperture location that need to prepare, how many and length parameter, by the precast body of establishment and the stannum of fusing and ashbury metal
Matrix material solidifies in die cavity；
(6), after coagulation forming, remove the precast body in stannum and ashbury metal matrix material, prepare controlled through hole stannum and stannum closes
Gold porous material.
Controlled through hole stannum the most according to claim 1 and ashbury metal porous material preparation method, it is characterised in that: choose
Fibrous material is carbon fiber.
Controlled through hole stannum the most according to claim 2 and ashbury metal porous material preparation method, it is characterised in that: choose
Carbon fiber is 1k, 3k, 24K, 64K of standard specifications, or the combination of above-mentioned tow, and the carbon fiber chosen is without plating, chemical plating
Process, meet its performance more than 90 ° of infiltration angle with metal matrix material.
Controlled through hole stannum the most according to claim 1 and ashbury metal porous material preparation method, it is characterised in that: cast
Die cavity is sand mold or metal mold.
Controlled through hole stannum the most according to claim 1 and ashbury metal porous material preparation method, it is characterised in that: employing
Method is gravitational casting, or compression casting, or lost foam casting.
Controlled through hole stannum the most according to claim 1 and ashbury metal porous material preparation method, it is characterised in that: will establishment
The stannum of precast body and fusing and ashbury metal matrix material solidify in die cavity, first precast body is put in die cavity, by melt
Stannum and ashbury metal matrix material pour in die cavity and solidify；Or use first by stannum and ashbury metal matrix material injection type intracavity, then
Precast body is solidified as in the die cavity of the stannum and ashbury metal matrix material that inject fusing.
Controlled through hole stannum the most according to claim 1 and ashbury metal porous material preparation method, it is characterised in that: establishment
In precast body, the establishment direction of fibrous material is vertical, horizontal direction.
Controlled through hole stannum the most according to claim 2 and ashbury metal porous material preparation method, it is characterised in that: remove stannum
And the prefabricated carbon fiber body in ashbury metal matrix material, directly extract out, or employing is heated oxidation, makes carbon fiber with gasification
Symphysis becomes carbon dioxide, removes carbon fiber.
Controlled through hole stannum the most according to claim 2 and ashbury metal porous material preparation method, it is characterised in that: remove stannum
And the precast body in ashbury metal matrix material, use and its one end is passed through gases at high pressure or highly pressurised liquid, utilize pressure effect to make
Precast body is removed from metal matrix material, prepares the material of controlled through hole.
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| CN201210489622.6A CN103834827B (en) | 2012-11-27 | 2012-11-27 | A kind of controlled through hole stannum and ashbury metal porous material preparation method |
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| CN103834827A CN103834827A (en) | 2014-06-04 |
| CN103834827B true CN103834827B (en) | 2016-12-21 |
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| CN108070732A (en) * | 2016-11-14 | 2018-05-25 | 中国科学院上海硅酸盐研究所 | A kind of multi-stage porous lead and preparation method thereof |
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| GB2019756A (en) * | 1978-04-19 | 1979-11-07 | Rolls Royce | Casting Cores |
| JP3808258B2 (en) * | 1999-11-04 | 2006-08-09 | Ｙｋｋ株式会社 | Method and apparatus for manufacturing cast molded article having fine hole |
| US7261141B2 (en) * | 2002-02-22 | 2007-08-28 | Hideo Nakajima | Metal porous body manufacturing method |
| PL1888807T3 (en) * | 2005-05-30 | 2020-11-16 | Grillo-Werke Ag | Porous metal foam body |
| CN201558944U (en) * | 2009-11-27 | 2010-08-25 | 广西玉柴机器股份有限公司 | Device for forming small holes on casting |
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Effective date of registration: 20181119 Address after: 226300 Andong Village Group 2, Sian Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Nantong Shuangyao Stamping Co., Ltd. Address before: 110870 Shenyang 111 economic and Technological Development Zone, Liaoning Patentee before: Shenyang University of Technology |