CN105734463A - Carbon fiber enhanced copper-based composite material and preparation method thereof - Google Patents

Carbon fiber enhanced copper-based composite material and preparation method thereof Download PDF

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Publication number
CN105734463A
CN105734463A CN201610111228.7A CN201610111228A CN105734463A CN 105734463 A CN105734463 A CN 105734463A CN 201610111228 A CN201610111228 A CN 201610111228A CN 105734463 A CN105734463 A CN 105734463A
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China
Prior art keywords
carbon fiber
copper
composite
powder
properties
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CN201610111228.7A
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Chinese (zh)
Inventor
刘莉
王爽
邱晶
刘晓东
黄明明
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Suzhou Netshape Composite Materials Co Ltd
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Suzhou Netshape Composite Materials Co Ltd
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Priority to CN201610111228.7A priority Critical patent/CN105734463A/en
Publication of CN105734463A publication Critical patent/CN105734463A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C49/00Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/14Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C47/00Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/14Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments

Abstract

The invention provides a carbon fiber enhanced copper-based composite material and a preparation method thereof. The carbon fiber enhanced copper-based composite material comprises carbon fibers, stannic oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, carbon black, polycarbonate and the balance copper powder. The preparation method comprises the steps that 1, all the raw materials are weighed according to the weight parts; (2) all the raw materials are placed in a mixing device, the powder is blown by means of high-pressure nitrogen, and all the powder is deposited jointly and mixed evenly; (3) the mixture is placed in a die and then placed in an infiltration furnace, and sinter forming is conducted through a pressureless impregnation sintering method after nitrogen is introduced; and (4) the mixture is taken out of the infiltration furnace and placed in an ice-water mixture to be cooled, and then the carbon fiber enhanced copper-based composite material is obtained. According to the composite material, the tensile strength reaches 1180 MPa or over, the elongation reaches 3.4%-3.7%, and the surface hardness reaches 650 HV or over; and the carbon fiber enhanced copper-based composite material has good abrasion resistance and hardness, meanwhile has certain ductility and can be well applied to various fields.

Description

Properties of carbon fiber reinforced copper composite and preparation method thereof
Technical field
The invention belongs to metallurgical field of compound material, be specifically related to a kind of properties of carbon fiber reinforced copper composite and preparation method thereof.
Background technology
Copper is one of mankind's metal of finding the earliest, and one of also most practical simple metal has good ductility, and its electric conductivity is only second to silver, and heat conductivity is only second to Jin Heyin.High conductivity, heat conductivity and good ductility are the characteristics of copper most worthy.But the hardness of copper and yield strength are relatively low, creep-resistant property is also poor, constrains its application in industry and military field.Just having researcher to carry out as far back as the sixties in 20th century and add reinforcement in Copper substrate thus preparing the research of Cu-base composites, the material of gained had both maintained the advantage of copper, compensate for again the deficiency of copper.
But generally, the stretch-proof performance of Cu-base composites of the prior art is not high, case hardness also has greatly improved space, it is therefore desirable to the research and development better Cu-base composites of combination property meets market demand.
Summary of the invention
Goal of the invention: it is an object of the invention to provide a kind of properties of carbon fiber reinforced copper composite and preparation method thereof, the composite prepared has stretch-proof performance and the case hardness of excellence, is suitable to manufacture multiple original paper.
Technical scheme:
Properties of carbon fiber reinforced copper composite, component containing following weight/mass percentage composition: carbon fiber 5.2~6.3%, stannum oxide 0.7~1.8%, cobalt oxide 2.0~3.6%, copper chloride 1.2~1.8%, calcium fluoride 1.4~2.2%, zinc stearate 2.4~2.7%, silicon dioxide 2.0~2.6%, white carbon black 3.5~4.7%, Merlon 2.1~2.7%, surplus is copper powder.
Preferably, component containing following weight/mass percentage composition: carbon fiber 5.6~5.8%, stannum oxide 0.9~1.2%, cobalt oxide 2.8~3.4%, copper chloride 1.4~1.6%, calcium fluoride 1.8~2.0%, zinc stearate 2.5~2.6%, silicon dioxide 2.3~2.5%, white carbon black 3.8~4.2%, Merlon 2.4~2.5%, surplus is copper powder.
It is highly preferred that the component containing following weight/mass percentage composition: carbon fiber 5.7%, stannum oxide 1.1%, cobalt oxide 3.2%, copper chloride 1.5%, calcium fluoride 1.9%, zinc stearate 2.5%, silicon dioxide 2.4%, white carbon black 3.9%, Merlon 2.4%, surplus is copper powder.
The preparation method of properties of carbon fiber reinforced copper composite, comprises the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, above-mentioned powder is blown afloat by the high pressure nitrogen utilizing pressure to be 0.6~0.9MPa, stop after 10~15 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1180~1280 DEG C, is incubated 30~60 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
In step (3), pressureless impregnation sintering temperature is 1240 DEG C, is incubated 50 minutes.
Beneficial effect:
The composite hot strength of the present invention has reached more than 1180MPa, and percentage elongation has reached 3.4~3.7%, and case hardness has reached more than 650HV, has good wearability and hardness, has certain ductility, it is possible to be advantageously applied to every field simultaneously.
Detailed description of the invention
Hereinafter the specific embodiment of the present invention is described in detail.
Embodiment 1
Properties of carbon fiber reinforced copper composite, containing the component of following weight/mass percentage composition: carbon fiber 5.2%, stannum oxide 0.7%, cobalt oxide 2.0%, copper chloride 1.2%, calcium fluoride 1.4%, zinc stearate 2.4%, silicon dioxide 2.0%, white carbon black 3.5%, Merlon 2.1%, surplus is copper powder.
Preparation method, comprises the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, the high pressure nitrogen that pressure is 0.6MPa is utilized to be blown afloat by above-mentioned powder, stop after 10 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1180 DEG C, is incubated 30 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
Embodiment 2
Properties of carbon fiber reinforced copper composite, containing the component of following weight/mass percentage composition: carbon fiber 5.6%, stannum oxide 0.9%, cobalt oxide 2.8%, copper chloride 1.4%, calcium fluoride 1.8%, zinc stearate 2.5%, silicon dioxide 2.3%, white carbon black 3.8%, Merlon 2.4%, surplus is copper powder.
Preparation method, comprises the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, the high pressure nitrogen that pressure is 0.7MPa is utilized to be blown afloat by above-mentioned powder, stop after 11 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1200 DEG C, is incubated 40 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
Embodiment 3
Properties of carbon fiber reinforced copper composite, containing the component of following weight/mass percentage composition: carbon fiber 5.7%, stannum oxide 1.1%, cobalt oxide 3.2%, copper chloride 1.5%, calcium fluoride 1.9%, zinc stearate 2.5%, silicon dioxide 2.4%, white carbon black 3.9%, Merlon 2.4%, surplus is copper powder.
Preparation method, comprises the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, the high pressure nitrogen that pressure is 0.8MPa is utilized to be blown afloat by above-mentioned powder, stop after 12 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1240 DEG C, is incubated 50 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
Embodiment 4
Properties of carbon fiber reinforced copper composite, containing the component of following weight/mass percentage composition: carbon fiber 5.8%, stannum oxide 1.2%, cobalt oxide 3.4%, copper chloride 1.6%, calcium fluoride 2.0%, zinc stearate 2.6%, silicon dioxide 2.5%, white carbon black 4.2%, Merlon 2.5%, surplus is copper powder.
Preparation method, comprises the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, the high pressure nitrogen that pressure is 0.8MPa is utilized to be blown afloat by above-mentioned powder, stop after 13 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1250 DEG C, is incubated 50 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
Embodiment 5
Properties of carbon fiber reinforced copper composite, containing the component of following weight/mass percentage composition: carbon fiber 6.3%, stannum oxide 1.8%, cobalt oxide 3.6%, copper chloride 1.8%, calcium fluoride 2.2%, zinc stearate 2.7%, silicon dioxide 2.6%, white carbon black 4.7%, Merlon 2.7%, surplus is copper powder.
Preparation method, comprises the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, the high pressure nitrogen that pressure is 0.9MPa is utilized to be blown afloat by above-mentioned powder, stop after 15 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1280 DEG C, is incubated 60 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
Performance test
The composite that embodiment 1~5 prepares carries out hardness, stretch-proof test, and result is in Table 1.
Table 1
As it can be seen from table 1 the composite hot strength of the present invention has reached more than 1180MPa, percentage elongation has reached 3.4~3.7%, case hardness has reached more than 650HV, there is good wearability and hardness, there is certain ductility, it is possible to be advantageously applied to every field simultaneously.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details.

Claims (5)

1. properties of carbon fiber reinforced copper composite, it is characterized in that, containing the component of following weight/mass percentage composition: carbon fiber 5.2 ~ 6.3%, stannum oxide 0.7 ~ 1.8%, cobalt oxide 2.0 ~ 3.6%, copper chloride 1.2 ~ 1.8%, calcium fluoride 1.4 ~ 2.2%, zinc stearate 2.4 ~ 2.7%, silicon dioxide 2.0 ~ 2.6%, white carbon black 3.5 ~ 4.7%, Merlon 2.1 ~ 2.7%, surplus is copper powder.
2. properties of carbon fiber reinforced copper composite according to claim 1, it is characterized in that, containing the component of following weight/mass percentage composition: carbon fiber 5.6 ~ 5.8%, stannum oxide 0.9 ~ 1.2%, cobalt oxide 2.8 ~ 3.4%, copper chloride 1.4 ~ 1.6%, calcium fluoride 1.8 ~ 2.0%, zinc stearate 2.5 ~ 2.6%, silicon dioxide 2.3 ~ 2.5%, white carbon black 3.8 ~ 4.2%, Merlon 2.4 ~ 2.5%, surplus is copper powder.
3. properties of carbon fiber reinforced copper composite according to claim 1, it is characterized in that, containing the component of following weight/mass percentage composition: carbon fiber 5.7%, stannum oxide 1.1%, cobalt oxide 3.2%, copper chloride 1.5%, calcium fluoride 1.9%, zinc stearate 2.5%, silicon dioxide 2.4%, white carbon black 3.9%, Merlon 2.4%, surplus is copper powder.
4. the preparation method of properties of carbon fiber reinforced copper composite described in a claim 1, it is characterised in that comprise the steps:
Step 1, weighs each raw material by weight;
Step 2, the mixing of carbon fiber, stannum oxide, cobalt oxide, copper chloride, calcium fluoride, zinc stearate, silicon dioxide, white carbon black, Merlon and copper powder is placed in mixing device, above-mentioned powder is blown afloat by the high pressure nitrogen utilizing pressure to be 0.6 ~ 0.9MPa, stop after 10 ~ 15 minutes passing into nitrogen, the co-deposited also Homogeneous phase mixing of each powder;
Step 3, fills this blend in mould, puts in infiltration stove, after passing into nitrogen, adopts pressureless impregnation sintering process to form by a firing, and pressureless impregnation sintering temperature is 1180 ~ 1280 DEG C, is incubated 30 ~ 60 minutes;
Step 4, takes out infiltration stove, is placed in mixture of ice and water and cools down, obtains properties of carbon fiber reinforced copper composite.
5. the preparation method of properties of carbon fiber reinforced copper composite according to claim 4, it is characterised in that in step (3), pressureless impregnation sintering temperature is 1240 DEG C, is incubated 50 minutes.
CN201610111228.7A 2016-02-29 2016-02-29 Carbon fiber enhanced copper-based composite material and preparation method thereof Pending CN105734463A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1183622A (en) * 1996-01-29 1998-06-03 董元源 Electric copper-based silverless contact composite material with high flow welding resistance
CN101898245A (en) * 2010-07-09 2010-12-01 陕西华夏粉末冶金有限责任公司 Production process of carbon fiber copper matrix composite powder metallurgy bearing
CN102628115A (en) * 2012-04-01 2012-08-08 昆明理工大学 Preparation method of carbon nano tube enhanced copper-based composite material
CN104328303A (en) * 2014-10-22 2015-02-04 苏州莱特复合材料有限公司 Copper-based powder metallurgy material and preparation method thereof
CN104384500A (en) * 2014-10-29 2015-03-04 苏州莱特复合材料有限公司 Corrosion resistant copper-matrix composite material and powder metallurgy preparation method thereof
CN105177367A (en) * 2015-08-31 2015-12-23 苏州莱特复合材料有限公司 Antibacterial and anti-corrosion copper-based composite material and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1183622A (en) * 1996-01-29 1998-06-03 董元源 Electric copper-based silverless contact composite material with high flow welding resistance
CN101898245A (en) * 2010-07-09 2010-12-01 陕西华夏粉末冶金有限责任公司 Production process of carbon fiber copper matrix composite powder metallurgy bearing
CN102628115A (en) * 2012-04-01 2012-08-08 昆明理工大学 Preparation method of carbon nano tube enhanced copper-based composite material
CN104328303A (en) * 2014-10-22 2015-02-04 苏州莱特复合材料有限公司 Copper-based powder metallurgy material and preparation method thereof
CN104384500A (en) * 2014-10-29 2015-03-04 苏州莱特复合材料有限公司 Corrosion resistant copper-matrix composite material and powder metallurgy preparation method thereof
CN105177367A (en) * 2015-08-31 2015-12-23 苏州莱特复合材料有限公司 Antibacterial and anti-corrosion copper-based composite material and preparation method thereof

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Application publication date: 20160706