CN105289417B - A kind of production technology of synthetic composite material - Google Patents
A kind of production technology of synthetic composite material Download PDFInfo
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- CN105289417B CN105289417B CN201510705025.6A CN201510705025A CN105289417B CN 105289417 B CN105289417 B CN 105289417B CN 201510705025 A CN201510705025 A CN 201510705025A CN 105289417 B CN105289417 B CN 105289417B
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Abstract
The present invention relates to a kind of production technology of synthetic composite material, material is placed in roast kiln roasting, after the completion of roasting, roasting material is placed in mould to be put on cubic hinge press is synthesized；The temperature of the roasting is 800 1400 DEG C, and roasting is carried out under an inert atmosphere, when kiln roasting is calcined, material is placed in C N composites, it is isolated with roaster furnace wall.By production technology of the invention, using electricity wisely more than 50% is produced, efficiency improves more than 80%, and press generated time is short, obtained product quality stabilization.
Description
Technical field
The present invention relates to a kind of production technology of synthetic composite material.
Background technology
In the synthetic composite material industry of China, as diamond and hard alloy, cubic boron nitride and alloy, silicon are in gold
The production technology of the advanced composite material (ACM) of hard rock composition, in actual production process, successful Application already.Although each enterprise's production
Product standard and type it is different, but in production technology substantially all almost, intact composite Synthetic block will be assembled,
The mode of production by synthesizing is directly placed on cubic hinge press, two kinds of complete materials of different nature are allowed, composition is a kind of entirely
New composite product, this product no matter volume size, be all directly synthesized on cubic hinge press, each
The deadline of the synthesis technique round trip of completion is long up to a hour single machine production efficiency and work at least more than ten minutes
Make efficiency low, and power consumption is high, and energy consumption is big, and production cost is high.
For such case, in patent document 201110238764.0, inventors herein propose and first roast it at low temperature
Burn, the method for then synthesizing on cubic hinge press again, the method has obtained more effective improvement to above mentioned problem.But it is still
So there is a problem of that process time is long, treatment effeciency is low, power consumption is big, the unstable product quality of high cost and acquisition.
The content of the invention
The purpose of the present invention aims to provide a kind of saving electricity more than 50%, and efficiency improves more than 80%, and process time is short, system
The production technology of the synthetic composite material of the standby product quality stabilization for obtaining.
Technical scheme is as follows：
A kind of production technology of synthetic composite material, roast kiln roasting is placed in by material, after the completion of roasting, will be roasting
Material be placed in mould to be put on cubic hinge press and synthesized；The temperature of the roasting is 800-1400 DEG C, is calcined lazy
Carried out under property atmosphere；When kiln roasting is calcined, material is placed in C-N composites, it is isolated with roaster furnace wall.
The present invention is mainly the improvement to the synthesis technique of existing composite, and the material category to specifically being used does not have
There is special requirement.
The material is preferably selected from diamond and hard alloy, cubic boron nitride and hard alloy, silicon and diamond
It is a kind of.
When kiln roasting is calcined, preferably material is enclosed within the container that C-N composites are made, makes itself and roaster
Furnace wall isolation.
Be calcined kiln roasting when, it is further preferably that materials'use C-N composites is box-packed, it is box-packed after, by many parts of boxes
Composite block after dress is placed in roasting kiln roasting simultaneously.
Every piece of composite synthesis block roasting time is 20-30min.
0.8 degree of monolithic composite synthesis block power consumption.
The inert atmosphere is preferably argon gas atmosphere.
Composite masterbatch molding assembly Synthetic block after roasting is put into the temperature synthesized on cubic hinge press and is
1300-1500℃。
It is 40-50s that composite synthesis block after roasting is put into time for being synthesized on cubic hinge press.
In the C-N composites, C content is 60%-90%, and N content is 10%-40%.
For example, the C-N composites for being used can use metal and stone new material Co., Ltd of Yanling County and Changsha south rich
Product type prepared by cloud new material Co., Ltd is product of CN20/18, CN60/50 etc..
The pressure synthesized on cubic hinge press preferably 80-100MPa.
The mould for being used is pyrophillite mould.
There is no special requirement to described C-N composites, it is possible to use the various C-N composite woods of in the market purchase
Material.
By C-N composites by the size of technical requirements, by way of machining, a sealable circle is processed into
Conical vessel, roasting and HTHP the synthesis demand for composite of different nature, is equipped with the C-N that resistivity is adapted
Container.
In research process before inventor, although finding that the technique that press is processed after being first calcined can avoid list
There is the appearance of the situation of gap, but its relative low temperature treatment at 600-700 DEG C required time in pure press treatment
It is long, the effect on driving birds is not good for obtaining, it is desired nonetheless to which the treatment that the long period is carried out during follow-up press can just be obtained preferably
Product, and it is in roasting process, is once only capable of processing the product of single batch, handled amount is limited, this series of problem
Although it is long it is to a certain extent solved the round trip time during composite synthesis block carries out building-up process on cubic hinge press,
Power consumption problem high, but its whole structure or undesirable, still have that process time is more long, and high cost, power consumption is big,
The problem of the unstable product quality that efficiency is low and low temperature pressuring machine high-temperature process is obtained.
For above-mentioned situation, inventor also feels at a loss what to do at the beginning, because if merely simply raising roasting
During temperature, diamond high-temperature oxydation can be caused, and bonding occurs, cause that follow-up press cannot be carried out at all processing
Process.Therefore, increasing firing temperature is also infeasible.Therefore, the thinking of the reduction temperature before inventor is seemed also more
It is feasible.
But by constantly research, by changing thinking, in experimentation, the temperature adjustment that will be calcined is extremely for inventor
800-1400 DEG C, and further pass through to control to be calcined to carry out under an inert atmosphere, moreover, when kiln roasting is calcined, will
Composite is isolated by C-N composites with roaster furnace wall, is finally obtained technical scheme, side of the invention
Case is not only pratical and feasible, and can save electricity more than 50%, efficiency improve more than 80%, on cubic apparatus hydraulic press synthesize when
Between short, obtained product quality stabilization.
In specific roasting process, by by composite using C-N composites it is box-packed, it is box-packed after, by many parts of boxes
Composite block after dress is placed in roasting kiln roasting simultaneously.So many parts of composite synthesis blocks can be processed by a roasting process,
Electrical loss, raising treatment effeciency are substantially reduced, and is not in the phenomenon that roaster and composite block are bonded, while diamond will not
Because high temperature is oxidized, the product of steady quality can be obtained.And after such treatment, the composite synthesis after the roasting for obtaining
Block only needs the warm-up time of short 40-50s in press, it becomes possible to obtain preferable product.
Specific embodiment
Following examples are intended to illustrate rather than limitation of the invention further.
Embodiment 1
The diamond and hard alloy (model YG8 alloys) composite synthesis block of assembling will have been completed, baking box has been placed on
In save backup, storage temperature is 80-140 DEG C, compound by what is preserved in baking box when a new synthesis technique round trip is started
Synthetic block takes out, using C-N composites it is box-packed after to add and carry out high-temperature roasting in roaster (2 kilowatts of real wasted work rate), roast
It is 850 DEG C to burn temperature, and roasting is carried out under an argon atmosphere, by after the roasting of 30 minutes, taking out the composite synthesis in roaster
Block, is put into cubic hinge press and is synthesized, and the temperature of synthesis is 1300-1500 DEG C, and generated time is just to obtain after 40-50s
Qualified product.
In existing synthetic composite material production technology, most short 20-30 minutes of the round trip time of a synthesis technique,
Long reachable 60-70 minutes, was calculated with the technique round trip time of most short 20-30 minutes, as follows：One synthesis of 20 minutes
The time for having 50% in technique round trip is heated into cavity with dielectric pairing, its temperature is reached 1300-1500 DEG C, other guarantors
The warm time is 10 minutes, wherein a heating power device for press is 40KVA, power consumption in 10 minutes is 2 degree or so.And use this
The technique of invention, heating power device heating-up time of a press only needs 40-50s, 0.12 degree of power consumption, adds every in roaster
0.08 degree of individual composite synthesis block institute power consumption, each technique round trip economize on electricity more than 50% of the invention.
Additionally, in existing synthetic composite material technique, according to different materials, different technical requirements, each conjunction
Time into technique round trip is not quite similar.In the time that single synthesis technique round trip is consumed, the heating of press electric power device
Time is 10-60 minutes.No matter any warm-up time, the non-cutting time fundamental quantity consumed in its press is constant 8-12 point
Clock.Using technique of the invention, the preparation of single composite synthesis block is time-consuming to only have original 8%, it can be seen that, production efficiency will
Improve more than 80%.
Comparative example 1
Sealing container is made using zirconium oxide, material of the invention is placed in the container and is calcined in 800-1400 DEG C
Afterwards, roasting material is placed in be put on cubic hinge press in pyrophillite mould and is synthesized；The material cannot in press
Heating, it is impossible to carry out follow-up treatment.
Comparative example 2
Sealing container is made using corundum, material of the invention is placed in the container and is calcined in 800-1400 DEG C
Afterwards, roasting material is placed in be put on cubic hinge press in pyrophillite mould and is synthesized；When being processed in press,
Pressure very high is needed to use, substantial amounts of electricity is expended, causes high cost, energy consumption is big.
Claims (8)
1. a kind of production technology of synthetic composite material, it is characterised in that materials'use C-N composites is box-packed, it is box-packed after,
The many parts of composite blocks after box-packed are placed in roasting kiln roasting simultaneously；After the completion of roasting, roasting material is placed in mould
It is put on cubic hinge press and is synthesized；The temperature of the roasting is 800-1400 DEG C, and roasting is carried out under an inert atmosphere；In roasting
When burning kiln roasting, material is placed in C-N composites, it is isolated with roaster furnace wall；The material is selected from diamond
With the one kind in hard alloy, cubic boron nitride and hard alloy, silicon and diamond；The material is composite Synthetic block；
In the C-N composites, C content is 60%-90%, and N content is 10%-40%.
2. production technology according to claim 1, it is characterised in that when kiln roasting is calcined, material is enclosed within C-N
In the container that composite is made, it is set to isolate with the furnace wall of roaster.
3. the production technology according to claim any one of 1-2, it is characterised in that what the composite after roasting was assembled into
It is 1300-1500 DEG C that composite synthesis block is put into the temperature synthesized on cubic hinge press.
4. production technology according to claim 3, it is characterised in that the composite synthesis that the composite after roasting is assembled into
It is 40-50s that block is put into time for being synthesized on cubic hinge press.
5. production technology according to claim 1, it is characterised in that roasting time is 20-30min.
6. production technology according to claim 1, it is characterised in that the inert atmosphere is argon gas atmosphere.
7. production technology according to claim 1, it is characterised in that the pressure synthesized on cubic hinge press is 80-
100MPa。
8. the production technology according to claim 1 or 7, it is characterised in that the mould for being used is pyrophillite mould.
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| CN106622032B (en) * | 2016-12-29 | 2019-01-29 | 湖南泰鼎新材料有限责任公司 | A kind of synthesis technology of composite superhard material |
| CN106837183A (en) * | 2017-03-24 | 2017-06-13 | 湖南泰鼎新材料有限责任公司 | A kind of special-shaped composite superhard material body and its preparation technology and drill bit |
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| CN100419119C (en) * | 2004-08-04 | 2008-09-17 | 鸿富锦精密工业（深圳）有限公司 | Superhard filming mold |
| CN101940894B (en) * | 2010-10-28 | 2012-09-19 | 郑州三和金刚石有限公司 | Method for machining elliptic polycrystalline diamond for drilling |
| CN102423664B (en) * | 2011-08-19 | 2014-03-12 | 蒋孟瑶 | Production process for artificial diamond and cemented carbide composite material |
| JP5927522B2 (en) * | 2012-03-16 | 2016-06-01 | 日本電気株式会社 | Carbon material structural material manufacturing method and carbon material structural material |
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Effective date of registration: 20220310 Address after: 412500 Jiulong economic and Technological Development Zone, Yanling County, Zhuzhou City, Hunan Province Patentee after: HUNAN TAIDING NEW MATERIAL CO.,LTD. Address before: 412500 West Jiulong Avenue, Jiulong Economic Development Zone, Yanling County, Zhuzhou City, Hunan Province Patentee before: Jiang Xiangshang Patentee before: Jiang Mengyao |
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