CN108914026A - A kind of preparation method of high strength heat resistant mold materials - Google Patents
A kind of preparation method of high strength heat resistant mold materials Download PDFInfo
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- CN108914026A CN108914026A CN201810994666.1A CN201810994666A CN108914026A CN 108914026 A CN108914026 A CN 108914026A CN 201810994666 A CN201810994666 A CN 201810994666A CN 108914026 A CN108914026 A CN 108914026A
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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
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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
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Abstract
The present invention relates to a kind of preparation methods of high strength heat resistant mold materials, belong to mold materials preparation technical field.Steam explosion product is made by raw material of bamboo chip in the present invention, steam explosion product and citric acid are mixed to prepare mixed dispersion liquid, it is mixed to get filter residue with silver nitrate solution again, filter residue is mixed with butyl titanate then and filter cake is obtained by filtration, filter cake is finally mixed into high-temperature fusion with other metals and oxide, it casts and high strength heat resistant mold materials is made, bamboo fibre is handled with citric acid, silver ion is adsorbed in bamboo fibre surface, the thermal stability and mechanical property for making carbon fiber are significantly improved, butyl titanate is mixed with bamboo fibre, bamboo fibre charing, titanium dioxide is filled in carbon fiber pipe and is adsorbed in carbon fiber surface, keep the space structure of carbon fiber finer and close by molecular chain action power and covalent bond absorption, effectively improve the mechanical property and heat resistance of mold, it has broad application prospects.
Description
Technical field
The present invention relates to a kind of preparation methods of high strength heat resistant mold materials, belong to mold materials preparation technical field.
Background technique
Mold is indispensable important equipment in modern industry.Mold is in industrial production to be molded, be blow molded, squeeze
Out, die casting or the methods of forging and forming, smelting, punching press obtain the various moulds and tool of required product.It is widely used in punching, mould
The compression moulding or injection molding of the products such as forging, cold-heading, extruding, metallic sintered products compacting, compression casting and engineering plastics, rubber, ceramics
Forming in, the quality of mold directly influences the quality of later period casting.
Currently, mold materials are mainly various mould steel, followed by hard alloy.Mould steel has excellent intensity, tough
Degree, abrasion-resistance, anti-fatigue ability, resistance to deformation, Resisting fractre ability, but hardness is low, wear-resisting property is poor, thus service life compared with
It is low.Hard alloy is widely used in terms of mold materials with its good mechanical property and wear-resisting property, so that mould
The tool service life greatly improves.But traditional alloy mold universal service life is not high, through damage easy to crack under high temperature and long term wear.It passes
The mold materials of system are mostly prepared with raw metal and inorganic mineral raw material, and the mold that this series mould material is produced is for cold
When stamping is cast, it is not high that there are qualities, and shock resistance is poor, and mold is easy to damage, and service life is short, and production efficiency is low, is produced into
A series of problems, such as this is high.
In recent years, glass mold is widely used.Glass mold surface of internal cavity has good high temperature resistant, wear-resisting
The outer circle of performance, antioxygenic property and corrosion resisting property, glass mold has excellent heat dissipation performance.But existing glass mold material
Material in use, be easy to produce formation of crack, continue to expand with stress, formation of crack will unstable propagation, eventually lead to
The intergranular crack of material.The development of new ceramics mold materials is the important content when front mold research field, ceramic material
Material wear-resistant, high temperature resistant, it is anti-oxidant and in terms of have the advantages that mould steel and hard alloy are incomparable, be make
Make the excellent material of mold, there is development prospect very much.But brittleness of ceramics is big, and conductivity is low, and temperature flowing is poor, and ceramic mold changes
Property during thermal expansion coefficient it is higher, cause in its use process size unstable, the poor problem of mechanical property.
Therefore it provides a kind of mold materials for being able to solve the above problem are of great significance.
Summary of the invention
The technical problems to be solved by the invention, it is bad for current mold materials heat resistance, mechanical property, lead to mould
The defect that embrittlement easily occurs, and is prone to wear when having material at high temperature, provides a kind of preparation side of high strength heat resistant mold materials
Method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that：
A kind of preparation method of high strength heat resistant mold materials, it is characterised in that specifically preparation step is：
（1）Bamboo chip is placed in steam blasting tank, conveys vapor into steam blasting tank, until air pressure liter in steam blasting tank
Height, closed steam blasting tank, constant temperature and pressure are stood, and open steam blasting tank, are poured into grinding pot and are ground obtained steam explosion product；
（2）According to parts by weight, weigh 5~7 parts of steam explosion products, 2~3 parts of citric acids, 1.0~1.3 parts of sodium citrates and 25~
In 28 parts of distilled water investment three-necked flasks, three-necked flask is placed in sonic oscillation in sonic oscillation instrument, mixed dispersion liquid is made；
（3）The silver nitrate solution of mixed dispersion liquid quality 6~10% is added dropwise into above-mentioned three-necked flask, mixed solution is made, to mixed
It closes and sodium hydroxide solution is added dropwise in solution, adjust pH value to 8~9, filter residue is obtained by filtration, wash with distilled water filter residue 3~5 times；
（4）According to parts by weight, 7~9 parts of above-mentioned filter residues, 2.0~2.5 parts of butyl titanates, 6~8 parts of isobutanols, 5~7 are weighed
In part propanedione and 15~18 parts of dehydrated alcohols investment reaction kettles, it is mixed with blender, filter cake is obtained by filtration after stirring；
（5）Above-mentioned filter cake is placed in Muffle furnace, argon gas heating is passed through into Muffle furnace, high-temperature calcination is made calcined product, presses
Parts by weight meter, weigh 4~6 parts of calcined products, 8~9 parts of silica, 1.0~1.3 parts of manganese oxide, 15~18 parts of fes,
In 0.6~0.8 part of simple substance tungsten and 1.0~1.2 parts of zirconium oxide investment smelting furnaces, temperature is increased, is mixed, casting system after melting
Obtain high strength heat resistant mold materials.
Step（1）Described in the vapor conveyed into steam blasting tank temperature be 300~330 DEG C, air pressure increase
To 3~4MPa, constant temperature and pressure time of repose is 40~50min.
Step（2）Described in sonic oscillation instrument in supersonic frequency be 40~42kHz, the sonic oscillation time be 3~4h.
Step（3）Described in the mass fraction of silver nitrate be 10~15%, the mass fraction of sodium hydroxide solution is 5~
10%。
Step（4）Described in reaction kettle in temperature be 80~90 DEG C, air pressure is 2~3MPa, the revolving speed of blender is
1200~1300r/min mixing time is 100~120min.
Step（5）Described in Muffle furnace in be warming up to 500~600 DEG C, the high-temperature calcination time is 2~3h, in smelting furnace
Heating rate be 15~20 DEG C/min, increase temperature to 1100~1200 DEG C, speed of agitator is 300~330r/min, melting
Time is 2~3h.
The method have the benefit that：
（1）Bamboo chip is placed in steam blasting tank carries out the obtained steam explosion product of steam explosion processing first by the present invention, then produces steam explosion
Object and citric acid are mixed to prepare mixed dispersion liquid, then mixed dispersion liquid are mixed with silver nitrate solution, and adjust pH value and carried out
Filter obtains filter residue, and filter residue is then mixed to butyl titanate and is obtained by filtration filter cake, finally by filter cake and other metals and
Oxide mixes high-temperature fusion, casts and high strength heat resistant mold materials are made, and bamboo chip is carried out steam explosion processing, steam explosion by the present invention
The hydrogen bond and molecular chain action power that journey high temperature hydrone destroys in bamboo chip keep bamboo fibre disconnected from each other, then use citric acid
Bamboo fibre surface is handled, makes bamboo fibre surface that there is a large amount of carboxylic group, carboxylic group can chelate subsequent addition
The silver ion come in makes silver ion be adsorbed in bamboo fibre surface, and the bamboo fibre by introducing metal ion can reinforce bamboo fibre
The mechanical property of itself, by bamboo fiber charcoal metaplasia after high-temperature calcination at carbon fiber, silver ion is embedded in carbon fiber, makes carbon fiber
Thermal stability and mechanical property be significantly improved, to improve the heat resistance and mechanical strength of mold, make mold more
It is wear-resisting；
（2）The present invention mixes butyl titanate with bamboo fibre, and butyl titanate is filled with bamboo fibre when passing through sonic oscillation
The bamboo fibre for being mixed with butyl titanate is then carried out high-temperature calcination, carbonizes bamboo fibre by tap touching, while in the bamboo of charing fibre
Nano-titanium dioxide is generated in dimension, titanium dioxide is filled in carbon fiber pipe and is adsorbed in carbon fiber surface, passes through molecular chain action
Power and covalent bond absorption keep the space structure of carbon fiber finer and close, to effectively improve the mechanical property and heat resistance of mold
Can, it has broad application prospects.
Specific embodiment
Bamboo chip is placed in steam blasting tank, the vapor that delivery temperature is 300~330 DEG C into steam blasting tank, directly
Into steam blasting tank, air pressure is increased to 3~4MPa, closed steam blasting tank, and constant temperature and pressure stands 40~50min, opens steam
Cavity charge containers pour into grinding pot and grind obtained steam explosion product；According to parts by weight, 5~7 parts of steam explosion products, 2~3 parts of lemons are weighed
In lemon acid, 1.0~1.3 parts of sodium citrates and 25~28 parts of distilled water investment three-necked flasks, three-necked flask is placed in sonic oscillation
In instrument, under conditions of supersonic frequency is 40~42kHz, mixed dispersion liquid is made in 3~4h of sonic oscillation；It is burnt to above-mentioned three mouthfuls
The silver nitrate solution that the mass fraction of mixed dispersion liquid quality 6~10% is 10~15% is added dropwise in bottle, mixed solution is made, to mixed
The sodium hydroxide solution for being added dropwise that mass fraction is 5~10% in solution is closed, pH value is adjusted to 8~9, filter residue is obtained by filtration, with distillation
Water cleans filter residue 3~5 times；According to parts by weight, 7~9 parts of above-mentioned filter residues, 2.0~2.5 parts of butyl titanates, 6~8 parts are weighed
In isobutanol, 5~7 parts of propanedione and 15~18 parts of dehydrated alcohols investment reaction kettles, nitrogen environment, temperature be 80~90 DEG C,
Under conditions of air pressure is 2~3MPa, 100~120min, stirring are mixed with the revolving speed of 1200~1300r/min with blender
After filter cake is obtained by filtration；Above-mentioned filter cake is placed in Muffle furnace, argon gas is passed through into Muffle furnace, and is warming up to 500~600 DEG C,
2~3h of high-temperature calcination is made calcined product and weighs 4~6 parts of calcined products, 8~9 parts of silica, 1.0 according to parts by weight
In~1.3 parts of manganese oxide, 15~18 parts of fes, 0.6~0.8 part of simple substance tungsten and 1.0~1.2 parts of zirconium oxide investment smelting furnaces,
1100~1200 DEG C are increased to the heating rate of 15~20 DEG C/min, while being mixed with the revolving speed of 300~330r/min,
High strength heat resistant mold materials are made in casting after 2~3h of melting.
Example 1
Bamboo chip is placed in steam blasting tank, the vapor that delivery temperature is 300 DEG C into steam blasting tank, until steam blasting
Air pressure is increased to 3MPa, closed steam blasting tank in tank, and constant temperature and pressure stands 40min, opens steam blasting tank, pours into grinding pot
Steam explosion product is made in middle grind；According to parts by weight, 5 parts of steam explosion products, 2 parts of citric acids, 1.0 parts of sodium citrates and 25 parts are weighed
Distilled water is put into three-necked flask, and three-necked flask is placed in sonic oscillation instrument, under conditions of supersonic frequency is 40kHz, is surpassed
Mixed dispersion liquid is made in sound oscillation 3h；The mass fraction that mixed dispersion liquid quality 6% is added dropwise into above-mentioned three-necked flask is 10%
Silver nitrate solution, be made mixed solution, to mixed solution and dripping mass fraction be 5% sodium hydroxide solution, adjust pH value to
8, filter residue is obtained by filtration, wash with distilled water filter residue 3 times；According to parts by weight, 7 parts of above-mentioned filter residues, 2.0 parts of four fourths of metatitanic acid are weighed
In ester, 6 parts of isobutanols, 5 parts of propanedione and 15 parts of dehydrated alcohols investment reaction kettles, nitrogen environment, temperature are 80 DEG C, air pressure is
Under conditions of 2MPa, 100min is mixed with the revolving speed of 1200r/min with blender, filter cake is obtained by filtration after stirring；It will be upper
It stating filter cake to be placed in Muffle furnace, argon gas is passed through into Muffle furnace, and be warming up to 500 DEG C, calcined product is made in high-temperature calcination 2h,
According to parts by weight, weigh 4 parts of calcined products, 8 parts of silica, 1.0 parts of manganese oxide, 15 parts of fes, 0.6 part of simple substance tungsten and
In 1.0 parts of zirconium oxide investment smelting furnaces, 1100 DEG C are increased to the heating rate of 15 DEG C/min, while with the revolving speed of 300r/min
It is mixed, high strength heat resistant mold materials are made in casting after melting 2h.
Example 2
Bamboo chip is placed in steam blasting tank, the vapor that delivery temperature is 315 DEG C into steam blasting tank, until steam blasting
Air pressure is increased to 3MPa, closed steam blasting tank in tank, and constant temperature and pressure stands 45min, opens steam blasting tank, pours into grinding pot
Steam explosion product is made in middle grind；According to parts by weight, 6 parts of steam explosion products, 2 parts of citric acids, 1.2 parts of sodium citrates and 26 parts are weighed
Distilled water is put into three-necked flask, and three-necked flask is placed in sonic oscillation instrument, under conditions of supersonic frequency is 41kHz, is surpassed
Mixed dispersion liquid is made in sound oscillation 3h；The mass fraction that mixed dispersion liquid quality 8% is added dropwise into above-mentioned three-necked flask is 13%
Silver nitrate solution, be made mixed solution, to mixed solution and dripping mass fraction be 7% sodium hydroxide solution, adjust pH value to
8, filter residue is obtained by filtration, wash with distilled water filter residue 4 times；According to parts by weight, 8 parts of above-mentioned filter residues, 2.3 parts of four fourths of metatitanic acid are weighed
In ester, 7 parts of isobutanols, 6 parts of propanedione and 17 parts of dehydrated alcohols investment reaction kettles, nitrogen environment, temperature are 85 DEG C, air pressure is
Under conditions of 2MPa, 110min is mixed with the revolving speed of 1250r/min with blender, filter cake is obtained by filtration after stirring；It will be upper
It stating filter cake to be placed in Muffle furnace, argon gas is passed through into Muffle furnace, and be warming up to 550 DEG C, calcined product is made in high-temperature calcination 2h,
According to parts by weight, weigh 5 parts of calcined products, 8 parts of silica, 1.2 parts of manganese oxide, 17 parts of fes, 0.7 part of simple substance tungsten and
In 1.1 parts of zirconium oxide investment smelting furnaces, 1150 DEG C are increased to the heating rate of 17 DEG C/min, while with the revolving speed of 315r/min
It is mixed, high strength heat resistant mold materials are made in casting after 2~3h of melting.
Example 3
Bamboo chip is placed in steam blasting tank, the vapor that delivery temperature is 330 DEG C into steam blasting tank, until steam blasting
Air pressure is increased to 4MPa, closed steam blasting tank in tank, and constant temperature and pressure stands 50min, opens steam blasting tank, pours into grinding pot
Steam explosion product is made in middle grind；According to parts by weight, 7 parts of steam explosion products, 3 parts of citric acids, 1.3 parts of sodium citrates and 28 parts are weighed
Distilled water is put into three-necked flask, and three-necked flask is placed in sonic oscillation instrument, under conditions of supersonic frequency is 42kHz, is surpassed
Mixed dispersion liquid is made in sound oscillation 4h；The mass fraction that mixed dispersion liquid quality 10% is added dropwise into above-mentioned three-necked flask is 15%
Silver nitrate solution, be made mixed solution, to mixed solution and dripping mass fraction be 10% sodium hydroxide solution, adjust pH
To 9 filter residue is obtained by filtration, wash with distilled water filter residue 5 times in value；According to parts by weight, 9 parts of above-mentioned filter residues, 2.5 parts of metatitanic acids are weighed
It is 90 DEG C, gas in nitrogen environment, temperature in four butyl esters, 8 parts of isobutanols, 7 parts of propanedione and 18 parts of dehydrated alcohol investment reaction kettles
Under conditions of pressure is 3MPa, 120min is mixed with the revolving speed of 1300r/min with blender, filter cake is obtained by filtration after stirring；
Above-mentioned filter cake is placed in Muffle furnace, argon gas is passed through into Muffle furnace, and is warming up to 600 DEG C, high-temperature calcination 3h is made calcining and produces
Object weighs 6 parts of calcined products, 9 parts of silica, 1.3 parts of manganese oxide, 18 parts of fes, 0.8 part of simple substance according to parts by weight
In tungsten and 1.2 parts of zirconium oxide investment smelting furnaces, 1200 DEG C are increased to the heating rate of 20 DEG C/min, while with 330r/min's
Revolving speed is mixed, and high strength heat resistant mold materials are made in casting after melting 3h.
Comparative example
With the mold materials of company of Suzhou City production as a comparison case to high strength heat resistant mold materials produced by the present invention and
Mold materials in comparative example are detected, and testing result is as shown in table 1：
Wearability test
Under the dry friction that load is 50N~150N, friction revolving speed is 140r/min, high intensity produced by the present invention is tested respectively
The wear rate of mold materials in heat-resisting die material and comparative example.
1 performance measurement result of table
According to data in table 1 it is found that high strength heat resistant mold materials produced by the present invention, mechanical strength with higher and preferably
Wear-resisting property, and hardness is high, and heat-resisting quantity is good, has broad prospects.
Claims (6)
1. a kind of preparation method of high strength heat resistant mold materials, it is characterised in that specifically preparation step is：
（1）Bamboo chip is placed in steam blasting tank, conveys vapor into steam blasting tank, until air pressure liter in steam blasting tank
Height, closed steam blasting tank, constant temperature and pressure are stood, and open steam blasting tank, are poured into grinding pot and are ground obtained steam explosion product；
（2）According to parts by weight, weigh 5~7 parts of steam explosion products, 2~3 parts of citric acids, 1.0~1.3 parts of sodium citrates and 25~
In 28 parts of distilled water investment three-necked flasks, three-necked flask is placed in sonic oscillation in sonic oscillation instrument, mixed dispersion liquid is made；
（3）The silver nitrate solution of mixed dispersion liquid quality 6~10% is added dropwise into above-mentioned three-necked flask, mixed solution is made, to mixed
It closes and sodium hydroxide solution is added dropwise in solution, adjust pH value to 8~9, filter residue is obtained by filtration, wash with distilled water filter residue 3~5 times；
（4）According to parts by weight, 7~9 parts of above-mentioned filter residues, 2.0~2.5 parts of butyl titanates, 6~8 parts of isobutanols, 5~7 are weighed
In part propanedione and 15~18 parts of dehydrated alcohols investment reaction kettles, it is mixed with blender, filter cake is obtained by filtration after stirring；
（5）Above-mentioned filter cake is placed in Muffle furnace, argon gas heating is passed through into Muffle furnace, high-temperature calcination is made calcined product, presses
Parts by weight meter, weigh 4~6 parts of calcined products, 8~9 parts of silica, 1.0~1.3 parts of manganese oxide, 15~18 parts of fes,
In 0.6~0.8 part of simple substance tungsten and 1.0~1.2 parts of zirconium oxide investment smelting furnaces, temperature is increased, is mixed, casting system after melting
Obtain high strength heat resistant mold materials.
2. a kind of preparation method of high strength heat resistant mold materials according to claim 1, it is characterised in that：Step（1）
Described in the temperature of the vapor conveyed into steam blasting tank be 300~330 DEG C, air pressure is increased to 3~4MPa, and constant temperature is permanent
Pressure time of repose is 40~50min.
3. a kind of preparation method of high strength heat resistant mold materials according to claim 1, it is characterised in that：Step（2）
Described in sonic oscillation instrument in supersonic frequency be 40~42kHz, the sonic oscillation time be 3~4h.
4. a kind of preparation method of high strength heat resistant mold materials according to claim 1, it is characterised in that：Step（3）
Described in the mass fraction of silver nitrate be 10~15%, the mass fraction of sodium hydroxide solution is 5~10%.
5. a kind of preparation method of high strength heat resistant mold materials according to claim 1, it is characterised in that：Step（4）
Described in reaction kettle in temperature be 80~90 DEG C, air pressure is 2~3MPa, the revolving speed of blender is 1200~1300r/min
Mixing time is 100~120min.
6. a kind of preparation method of high strength heat resistant mold materials according to claim 1, it is characterised in that：Step（5）
Described in Muffle furnace in be warming up to 500~600 DEG C, the high-temperature calcination time is 2~3h, the heating rate in smelting furnace is 15~
20 DEG C/min, temperature is increased to 1100~1200 DEG C, speed of agitator is 300~330r/min, and smelting time is 2~3h.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60208449A (en) * | 1984-04-02 | 1985-10-21 | Nissan Motor Co Ltd | Composite metal |
| CN105268400A (en) * | 2015-09-30 | 2016-01-27 | 江苏苏通碳纤维有限公司 | Method for supporting nanometer titanium dioxide on active carbon fibers |
| CN105483420A (en) * | 2015-12-11 | 2016-04-13 | 苏州第一元素纳米技术有限公司 | Nano-carbon-reinforced wear-resistant composite material |
| CN105886971A (en) * | 2016-04-13 | 2016-08-24 | 吴申龙 | Wear and corrosion resisting mold material and preparation method thereof |
| CN107382186A (en) * | 2017-06-30 | 2017-11-24 | 常州瑞坦商贸有限公司 | A kind of high tensile bond strength anticracking grout |
| CN107443529A (en) * | 2017-07-20 | 2017-12-08 | 广德县泉村竹制品有限公司 | A kind of bamboo mat preparation method for cable outer packing |
| CN107541953A (en) * | 2016-06-29 | 2018-01-05 | 北京化工大学 | A kind of composite conducting fiber and preparation method thereof |
| CN107557704A (en) * | 2017-09-07 | 2018-01-09 | 苏州浩焱精密模具有限公司 | A kind of hot forming dies materials and preparation method thereof |
-
2018
- 2018-08-29 CN CN201810994666.1A patent/CN108914026A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60208449A (en) * | 1984-04-02 | 1985-10-21 | Nissan Motor Co Ltd | Composite metal |
| CN105268400A (en) * | 2015-09-30 | 2016-01-27 | 江苏苏通碳纤维有限公司 | Method for supporting nanometer titanium dioxide on active carbon fibers |
| CN105483420A (en) * | 2015-12-11 | 2016-04-13 | 苏州第一元素纳米技术有限公司 | Nano-carbon-reinforced wear-resistant composite material |
| CN105886971A (en) * | 2016-04-13 | 2016-08-24 | 吴申龙 | Wear and corrosion resisting mold material and preparation method thereof |
| CN107541953A (en) * | 2016-06-29 | 2018-01-05 | 北京化工大学 | A kind of composite conducting fiber and preparation method thereof |
| CN107382186A (en) * | 2017-06-30 | 2017-11-24 | 常州瑞坦商贸有限公司 | A kind of high tensile bond strength anticracking grout |
| CN107443529A (en) * | 2017-07-20 | 2017-12-08 | 广德县泉村竹制品有限公司 | A kind of bamboo mat preparation method for cable outer packing |
| CN107557704A (en) * | 2017-09-07 | 2018-01-09 | 苏州浩焱精密模具有限公司 | A kind of hot forming dies materials and preparation method thereof |
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