CN109680226A - A kind of preparation method of silicon-carbide metal composite material - Google Patents
A kind of preparation method of silicon-carbide metal composite material Download PDFInfo
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- CN109680226A CN109680226A CN201811610992.4A CN201811610992A CN109680226A CN 109680226 A CN109680226 A CN 109680226A CN 201811610992 A CN201811610992 A CN 201811610992A CN 109680226 A CN109680226 A CN 109680226A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/04—Pretreatment of the fibres or filaments by coating, e.g. with a protective or activated covering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
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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
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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
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
Abstract
The present invention provides a kind of preparation methods of silicon-carbide metal composite material, which comprises the following steps: selecting multifilament radical is that three generations's continuous carbofrax fibre of 1K is woven into open-work silicon carbide fibre cloth；To improve interface performance, in the surface plating coating of open-work silicon carbide fibre cloth；Open-work silicon carbide fibre cloth is cut into cavity wall shape size and is fixed in mold cavity, molten hot metal is poured in mold cavity, molten iron infiltration cladding open-work silicon carbide fibre cloth, to the available silicon-carbide metal composite material of molten iron natural cooling.The present invention is bigger in the silicon-carbide metal composite material strength compared with the prior art, being prepared, and wearability, corrosion resistance are more preferable, and the technological process of production is simple and safe, environmentally protective；Original molten iron pouring molding technique can be also continued to use, equipment cost is low, without changing manufacturer's technological process of production, production easy to spread.
Description
Technical field
The present invention relates to a kind of preparation methods of silicon-carbide metal composite material, belong to metallic composite technical field.
Background technique
With the rapid development of China's modernization of industry, cities and towns economy, China's basic industries building material cement, metallurgical mine,
The industry such as dredging work and thermal power generation is also developed rapidly.Since operating condition is very severe in the industrial production,
All a large amount of wear problem can occur in the digging of material, broken, grinding and transmission process and cause the damage of machine parts and components
It is bad, it normally produces and operates to maintain, it is necessary to there are enough wear-resisting spare parts persistently to supply.Abrasion is material and energy in industry
One of the main contributor of source consumption, wherein it is again the most serious with abrasive wear, account for about the 50% of various wear types.China is wear-resisting
Material approximately consumes more than 200 ten thousand tons every year, also, is also being increased with annual 15% speed.
Due to industrial fast development, the problem of abrasion of traditional wear-resistant material causes, is also more and more, so it is right
The research and development of wear-resistant composite material are also more and more.With iron, red lead, osmium, phosphorus piece in Chinese patent CN108265219 A
Graphite, nickel, feldspar, titanium, ceramics, chlorination nitrile rubber, dimethyl siloxane, lead stearate, modified montmorillonoid, talcum powder, height
Ridge soil, calcium carbonate are that raw material produces a kind of metallic composite, and the method raw material type is various, and process is complicated and time-consuming, and
Introduce the pollution sources such as heavy metal ion and rubber.With metal powder and boron carbide powder in Chinese patent CN108060315 A
End mixing compacting, high-pressure injection boron carbide powder after heating, then sinter a kind of antifriction metal (AFM) composite material, the method after being molded into
It is operated using powder compacting, high-pressure injection powder etc., complicated for operation and have some potential safety problems, hardness and wear-resisting property are low
In silicon-carbide metal composite material.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation methods of silicon-carbide metal composite material.
To achieve the above object, the present invention is achieved through the following technical solutions: a kind of silicon-carbide metal composite wood
The preparation method of material, which comprises the following steps:
(1) choose silicon carbide fibre: selecting multifilament radical is three generations's continuous carbofrax fibre of 1K；
(2) it weaves open-work silicon carbide fibre cloth: three generations's continuous carbofrax fibre is woven into open-work carbonization using plain weave method
Silica fibre cloth；
(3) it is surface-treated: using magnetron sputtering method in the surface plating coating of open-work silicon carbide fibre cloth, improving interface performance；
(4) composite molding: open-work silicon carbide fibre cloth is cut into cavity wall shape size and is fixed in mold cavity, will be melted
Melt molten iron to pour in mold cavity, molten iron infiltration cladding open-work silicon carbide fibre cloth, to the available carbon of molten iron natural cooling
SiClx metallic composite.
As a preferred option, the diameter of three generations's continuous carbofrax fibre used is 8 ~ 14 μm in the step (1), intensity
For 2.2 ~ 2.5GPa, density is 2.2 ~ 2.8g/cm3.
Using above-mentioned preferred embodiment, above-mentioned intensity reaches three generations's continuous carbon SiClx long fibre of 2.2 ~ 2.5GPa, convenient for compiling
It knits, high temperature resistant, the later period does not react or is destroyed with the molten iron of high temperature.
As a preferred option, 3 × 3/cm of plain weave method used, 6 × 6/cm or 8 × 4 in the step (2)
Root/cm is woven into open-work silicon carbide fibre cloth, and grammes per square metre is 60 ~ 400g/ ㎡, and with a thickness of 0.2 ~ 0.5mm, hole size is side
The square of a length of 2-5 mm.
Using above-mentioned preferred embodiment, in metallic matrix, the two is tightly combined open-work silicon carbide fibre cloth seed dormancy.
As a preferred option, step (3) floating coat is spelter coating or nickel coating.
Using above-mentioned preferred embodiment, in order to improve the interface performance of fiber and Metal Substrate.
As a preferred option, in the step (4) type cavity mould be clay sand, water-glass sand, resin sand, close rouge sand,
Any one in cement binding sand.
Using above-mentioned preferred embodiment, in preparation process, can high temperature resistant, guarantee the integrality of mold, be not produced raw material
Damage.
As a preferred option, the fixed position of open-work silicon carbide fibre cloth is that casting wear surface is corresponding in the step (4)
Type intracavitary locations, fixing means are to fix open-work silicon carbide fibre with nail stake to be distributed in type cavity mould center.
Using above-mentioned preferred embodiment, when pouring molten hot metal, prevent open-work silicon carbide fibre cloth position from changing, shadow
Ring quality of materials.
As a preferred option, nail stake is to be cast as in advance with the molten hot metal in step (4).
The service performance in later period is guaranteed for the identity for guaranteeing nail stake and metallic matrix using above-mentioned preferred embodiment.
Beneficial effects of the present invention are simply described below:
The beneficial effect for the silicon-carbide metal composite material that the present invention is prepared is:
(1) as a raw material for production using high-intensitive, three generations's continuous carbofrax fibre woven cloth of high temperature tolerance and molten iron, compound
Material is more uniform, and performance is more stable, and intensity, wearability, corrosion resistance etc. are greatly improved.
(2) as a raw material for production using continuous carbofrax fibre and molten iron, it is not necessarily to other additives and adjuvant, is avoided
The intervention of other pollution sources, it is securely and reliably, environmentally protective.
(3) present invention continues to use base iron pouring molding technique, and the technological process of production is simple and safe, and equipment cost is low, nothing
Manufacturer's technological process of production, production easy to spread need to be changed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is implementation process diagram of the invention.
Specific embodiment
Below in conjunction with attached drawing 1, the specific embodiment that the present invention will be described in detail:
Embodiment 1:
A kind of preparation method of silicon-carbide metal composite wear-resistant part, choosing length is 500m/ volumes, and fibre diameter is 10 ~ 12 μm, fine
Dimension intensity is 2.3GPa, and fibre density is three generations's continuous carbofrax fibre of 2.3g/cm3；By plain weave method by 1K fiber
It is woven to the woven cloth of 3 × 3/cm, woven cloth grammes per square metre is 80 ~ 90g/ ㎡, and thickness is about 0.3mm or so, and hole size is side
The square of a length of 2 mm；Knitted woven cloth is cut to the rectangle of 50 × 70mm, is fixed in type chamber with irony nail stake
On wall, woven cloth and cavity wall gap about 1cm or so, woven cloth both ends are poured molten embedded in clay sand mold center into type chamber
Melt molten iron, compacting covers type cavity mould, and lifting phenomenon occurs when pouring to prevent molten iron, arrives carbon after molten iron natural cooling
SiClx metal composite wearing piece.
Embodiment 2:
Choosing length is 500m/ volumes, and fibre diameter is 10 ~ 12 μm, fibre strength 2.4GPa, and fibre density is 2.4g/cm3's
Continuous carbofrax fibre；By plain weave method by 1K fibrage be 6 × 6/cm woven cloth, woven cloth grammes per square metre be 300 ~
320g/ ㎡, thickness are about 0.35mm or so, and hole size is the square that side length is 3 mm；Knitted woven cloth is cut to 50
The rectangle of × 140mm, and be fixed on cavity wall, woven cloth and cavity wall gap about 0.5cm or so, stake is followed closely with irony
It is fixed on cavity wall, molten hot metal is poured into type chamber, compacting covers type cavity mould, lifts when pouring to prevent molten iron
Phenomenon is risen, arrives silicon-carbide metal composite wear-resistant part after molten iron natural cooling.
Embodiment 3:
Choosing length is 500m/ volumes, and fibre diameter is 10 ~ 12 μm, fibre strength 2.5GPa, and fibre density is 2.5g/cm3's
Continuous carbofrax fibre；By plain weave method by 1K fibrage be 8 × 4/cm woven cloth, woven cloth grammes per square metre be 360 ~
380g/ ㎡, thickness are about 0.4mm or so, and hole size is the square that side length is 5 mm；Knitted woven cloth is cut to 50 ×
The rectangle of 140mm, and be fixed on cavity wall, woven cloth is tightly attached to cavity wall, is fixed in type with irony nail stake
In cavity wall, molten hot metal is poured into type chamber, compacting covers type cavity mould, lifting phenomenon occurs when pouring to prevent molten iron, to iron
After water natural cooling to get arrive silicon-carbide metal composite wear-resistant part.
Above-mentioned multiple embodiments are relatively intended to be easy to understand preparation method of the present invention properties of product on technical arrangement plan
Trend.So that those skilled in the art can understand the innovation essence for grasping technical solution of the present invention, not only in function or production
Moral character can go up the embodiment for proposing to limit.So in addition to the implementation, the present invention can also have other polynary embodiments.
All technical solutions formed using equivalent substitution or equivalent transformation, are fallen within the scope of protection required by the present invention.
Claims (8)
1. a kind of preparation method of silicon-carbide metal composite material, which comprises the following steps:
(1) choose silicon carbide fibre: selecting multifilament radical is three generations's continuous carbofrax fibre of 1K；
(2) it weaves open-work silicon carbide fibre cloth: three generations's continuous carbofrax fibre is woven into open-work carbonization using plain weave method
Silica fibre cloth；
(3) it is surface-treated: using magnetron sputtering method in the surface plating coating of open-work silicon carbide fibre cloth, improving interface performance；
(4) composite molding: open-work silicon carbide fibre cloth is cut into cavity wall shape size and is fixed in mold cavity, will be melted
Melt molten iron to pour in mold cavity, molten iron infiltration cladding open-work silicon carbide fibre cloth, to the available carbon of molten iron natural cooling
SiClx metallic composite.
2. a kind of preparation method of silicon-carbide metal composite material as described in claim 1, which is characterized in that the step
(1) diameter of three generations's continuous carbofrax fibre used is 8 ~ 14 μm in, and intensity is 2.0 ~ 2.5GPa, and density is 2.2 ~ 2.8g/cm
³。
3. a kind of preparation method of silicon-carbide metal composite material as claimed in claim 2, it is characterised in that: the step
(2) 3 × 3/cm of plain weave method used, 6 × 6/cm or 8 × 4/cm are woven into open-work silicon carbide fibre cloth in, gram
Weight is 60 ~ 400g/ ㎡, with a thickness of 0.2 ~ 0.5mm.
4. a kind of preparation method of silicon-carbide metal composite material as claimed in claim 3, it is characterised in that: the step
(2) hole size of open-work silicon carbide fibre cloth is the square that side length is 2-5 mm in.
5. a kind of preparation method of silicon-carbide metal composite material as claimed in claim 4, which is characterized in that the step
(3) floating coat is spelter coating or nickel coating.
6. a kind of preparation method of silicon-carbide metal composite material as claimed in claim 5, which is characterized in that the step
(4) type cavity mould is clay sand, water-glass sand, resin sand, closes rouge sand, any one in cement binding sand in.
7. a kind of preparation method of silicon-carbide metal composite material as claimed in claim 6, which is characterized in that the step
(4) the fixed position of open-work silicon carbide fibre cloth is that casting wear surface corresponds to type intracavitary locations in, and fixing means is fixed with nail stake
Open-work silicon carbide fibre is distributed in type cavity mould center.
8. a kind of preparation method of silicon-carbide metal composite material as claimed in claim 7, which is characterized in that guarantee matrix
Identity, nail stake be to be cast as in advance with the molten hot metal in step (4).
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| CN201811610992.4A CN109680226A (en) | 2018-12-27 | 2018-12-27 | A kind of preparation method of silicon-carbide metal composite material |
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| CN201811610992.4A CN109680226A (en) | 2018-12-27 | 2018-12-27 | A kind of preparation method of silicon-carbide metal composite material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618740A (en) * | 2011-12-27 | 2012-08-01 | 中国科学院苏州纳米技术与纳米仿生研究所 | Silicon carbide reinforced aluminum-based composite material and its preparation method |
| CN103643067A (en) * | 2013-12-23 | 2014-03-19 | 苏州赛菲集团有限公司 | Nanoscale silicon carbide reinforcing metal group composite material and preparation method thereof |
| CN105908107A (en) * | 2016-06-15 | 2016-08-31 | 西北工业大学 | SiC fiber-reinforced TiAl-based composite with Mo coating and preparation method of SiC fiber-reinforced TiAl-based composite |
| CN107815625A (en) * | 2017-11-02 | 2018-03-20 | 中南大学 | The preparation method and product of SiC continuous fiber reinforcing titanium matrix composites |
-
2018
- 2018-12-27 CN CN201811610992.4A patent/CN109680226A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618740A (en) * | 2011-12-27 | 2012-08-01 | 中国科学院苏州纳米技术与纳米仿生研究所 | Silicon carbide reinforced aluminum-based composite material and its preparation method |
| CN103643067A (en) * | 2013-12-23 | 2014-03-19 | 苏州赛菲集团有限公司 | Nanoscale silicon carbide reinforcing metal group composite material and preparation method thereof |
| CN105908107A (en) * | 2016-06-15 | 2016-08-31 | 西北工业大学 | SiC fiber-reinforced TiAl-based composite with Mo coating and preparation method of SiC fiber-reinforced TiAl-based composite |
| CN107815625A (en) * | 2017-11-02 | 2018-03-20 | 中南大学 | The preparation method and product of SiC continuous fiber reinforcing titanium matrix composites |
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Effective date of registration: 20200115 Address after: 100000 2 bungalows 204, baishuiwa Village East, Shangzhuang Township, Haidian District, Beijing Applicant after: Saixing (Beijing) Technology Co., Ltd. Address before: Science and Technology City kolding road high tech Zone of Suzhou City, Jiangsu Province, No. 158 215163 Applicant before: Suzhou Cerafil Co., Ltd. |
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Application publication date: 20190426 |
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