CN107012378A - A kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal and its preparation technology - Google Patents
A kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal and its preparation technology Download PDFInfo
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- CN107012378A CN107012378A CN201710273551.9A CN201710273551A CN107012378A CN 107012378 A CN107012378 A CN 107012378A CN 201710273551 A CN201710273551 A CN 201710273551A CN 107012378 A CN107012378 A CN 107012378A
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- amorphous metal
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/065—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on SiC
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal and its preparation technology.The composite is by Cu70Zr20Ti10After non-crystaline amorphous metal flakelike powder is uniformly mixed with spherical SiC powder, formed by hot-forming.Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder is the Cu to spherical crystalline state70Zr20Ti10Atomized powder carries out ball milling and obtained.The linear expansion coefficient of the composite is 5.3 × 10‑6 K‑1, thermal conductivity factor is 86.4 W/mK and density is 3.5 g/cm3。
Description
Technical field
The present invention relates to a kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal and its preparation technology.
Background technology
Carborundum is due to stable chemical performance, thermal conductivity factor height, small, corrosion-resistant thermal coefficient of expansion, high temperature resistant, anti-wear performance
It is good, function ceramics, high grade refractory, abrasive material and metallurgical raw material, to the high grade refractory being made, resistance to thermal shock, small volume,
It is lightweight and intensity is high, good energy-conserving effect.But the preparation technology of silicon carbide products is complicated, sintering temperature is high（Generally 2000
More than DEG C）, full consistency is extremely difficult to, its application is limited.Therefore, the forming temperature of carborundum is reduced, simplifies its system
Standby technique, and reach full consistency and have great importance.
The content of the invention
It is an object of the invention to provide a kind of enhanced SiC ceramic matrix composite material of cu-based amorphous alloys and its preparation technology.
The purpose of the present invention is achieved through the following technical solutions：A kind of Cu70Zr20Ti10The enhanced SiC of non-crystaline amorphous metal
Composite, it is characterised in that:The composite by 10wt% Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder and 90wt%'s
SiC spherical powders are uniformly after mixing, then carry out complete fully dense block composite material that is hot-forming and obtaining, wherein described
Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder is by ball milling Cu70Zr20Ti10Spherical crystalline state atomized powder and the flake powder obtained
End, its glass transformation temperature is 325.2 DEG C, and crystallization temperature is 382.5 DEG C.
The linear expansion coefficient of composite of the present invention is 5.3 × 10-6 K-1, thermal conductivity factor be 86.4 W/mK and
Density is 3.5 g/cm3。
The preparation technology of SiC ceramic matrix composite material of the present invention, it is characterised in that comprise the following steps：（1）Will
Cu70Zr20Ti10Spherical crystalline state atomized powder is put into vacuum ball grinder and is 30 in ratio of grinding media to material full of absolute ethyl alcohol:1st, ball milling
Speed is under conditions of 500 revs/min, ball milling can obtain non-crystaline amorphous metal flakelike powder after 10 hours；（2）By 10wt%'s
Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder is uniformly mixed with 90wt% SiC spherical powders, is put into stainless steel mould inner chamber,
Then mould is heated to 350 DEG C with 20 DEG C/min of firing rate, is incubated 10 minutes, pressure and pressurize using 150MPa
Time is to carry out hot-forming, the complete fully dense block composite material of acquisition under conditions of 5 minutes.
The preparation of a kind of sandwich type SiC ceramic matrix composite material and its preparation technology of the present invention and existing SiC ceramic matrix composite material
Technique is compared, with following dramatically different feature,（1）The preparation technology of SiC ceramic matrix composite material is simplified,（2）Using
Cu70Zr20Ti10Sheet amorphous powdered alloy as the filler and bonding agent between the spherical composite powder gaps of SiC,（3）Pass through
Cu70Zr20Ti10Liquid feature of the sheet amorphous powdered alloy in its supercooling liquid phase region realizes the shaping of SiC particulate,（4）Drop significantly
The low forming temperature of SiC ceramic matrix composite material, and realize the full densification of SiC ceramic matrix composite material.
The product that the present invention is made uses vacuum ball grinder ball milling, hydraulic press shaping, SEM observation respectively
Cu70Zr20Ti10The pattern of non-crystaline amorphous metal flakelike powder, XRD detections Cu70Zr20Ti10The amorphous state knot of non-crystaline amorphous metal flakelike powder
Structure, differential scanning calorimeter measurement Cu70Zr20Ti10The glass transformation temperature and crystallization temperature of non-crystaline amorphous metal flakelike powder, heat are swollen
Swollen instrument measures linear expansion coefficient, laser flash instrument heat conducting coefficient measuring, Archimedes method measurement density.
The Cu that a kind of composition of the enhanced SiC ceramic matrix composite material of cu-based amorphous alloys of the present invention is 10wt%70Zr20Ti10Amorphous
The SiC spherical powders of superalloy sheet powder and 90wt%, its linear expansion coefficient is 5.3 × 10-6 K-1, thermal conductivity factor be 86.4 W/
MK and density are 3.5 g/cm3。
Embodiment
Below according to specific embodiment, the invention will be further described：
Embodiment 1
Weigh in the balance and take Cu70Zr20Ti10Spherical 5 grams of crystalline state atomized powder, is put into vacuum ball grinder and is full of absolute ethyl alcohol,
Ratio of grinding media to material is 30:1st, ball milling speed is under conditions of 500 revs/min, ball milling obtains Cu after 10 hours70Zr20Ti10Non-crystaline amorphous metal
Flakelike powder；Then weigh in the balance and take 45 grams of SiC spherical powders, by 5 grams of Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder and 45 grams
SiC spherical powders are uniformly mixed, and are put into stainless steel mould inner chamber, and mould is heated into 350 with 20 DEG C/min of firing rate
DEG C, be incubated 10 minutes, use 150MPa pressure and the dwell time for 5 minutes under conditions of carry out it is hot-forming.The composite wood
The linear expansion coefficient of material is 5.3 × 10-6 K-1, thermal conductivity factor is 86.4 W/mK and density is 3.5 g/cm3。
Embodiment 1
Weigh in the balance and take Cu70Zr20Ti10Spherical 7 grams of crystalline state atomized powder, is put into vacuum ball grinder and is full of absolute ethyl alcohol,
Ratio of grinding media to material is 30:1st, ball milling speed is under conditions of 500 revs/min, ball milling obtains Cu after 10 hours70Zr20Ti10Non-crystaline amorphous metal
Flakelike powder；Then weigh in the balance and take 63 grams of SiC spherical powders, by 7 grams of Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder and 63 grams
SiC spherical powders are uniformly mixed, and are put into stainless steel mould inner chamber, and mould is heated into 350 with 20 DEG C/min of firing rate
DEG C, be incubated 10 minutes, use 150MPa pressure and the dwell time for 5 minutes under conditions of carry out it is hot-forming.The composite wood
The linear expansion coefficient of material is 5.3 × 10-6 K-1, thermal conductivity factor is 86.4 W/mK and density is 3.5 g/cm3。
Embodiment 1
Weigh in the balance and take Cu70Zr20Ti10Spherical 10 grams of crystalline state atomized powder, is put into vacuum ball grinder and full of absolute ethyl alcohol,
It is 30 in ratio of grinding media to material:1st, ball milling speed is under conditions of 500 revs/min, ball milling obtains Cu after 10 hours70Zr20Ti10Amorphous is closed
Gold plaque sprills；Then weigh in the balance and take 90 grams of SiC spherical powders, by 10 grams of Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder and 90
Gram SiC spherical powders are uniformly mixed, and are put into stainless steel mould inner chamber, are heated to mould with 20 DEG C/min of firing rate
350 DEG C, be incubated 10 minutes, use 150MPa pressure and the dwell time for 5 minutes under conditions of carry out it is hot-forming.This is combined
The linear expansion coefficient of material is 5.3 × 10-6 K-1, thermal conductivity factor is 86.4 W/mK and density is 3.5 g/cm3。
Claims (3)
1. a kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal, it is characterised in that:The composite is by 10wt%
Cu70Zr20Ti10After non-crystaline amorphous metal flakelike powder is uniformly mixed with 90wt% SiC spherical powders, then carry out hot-forming and obtain
The complete fully dense block composite material obtained, wherein the Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder is by ball milling
Cu70Zr20Ti10Spherical crystalline state atomized powder and the flakelike powder obtained, its glass transformation temperature are 325.2 DEG C, and crystallization temperature is
382.5℃。
2. a kind of Cu according to claim 170Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal, it is characterised in that:
The linear expansion coefficient of the composite is 5.3 × 10-6 K-1, thermal conductivity factor is 86.4 W/mK and density is 3.5 g/
cm3。
3. a kind of Cu as claimed in claim 170Zr20Ti10The preparation technology of the enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal, it is special
Levy and be to comprise the following steps：（1）By Cu70Zr20Ti10Spherical crystalline state atomized powder is put into vacuum ball grinder and full of anhydrous
Ethanol, is 30 in ratio of grinding media to material:1st, ball milling speed is under conditions of 500 revs/min, ball milling can obtain non-crystaline amorphous metal after 10 hours
Flakelike powder；（2）By 10wt% Cu70Zr20Ti10Non-crystaline amorphous metal flakelike powder is uniformly mixed with 90wt% SiC spherical powders,
It is put into stainless steel mould inner chamber, mould is then heated to 350 DEG C with 20 DEG C/min of firing rate, is incubated 10 minutes, adopts
It is hot-forming to be carried out under conditions of 5 minutes with 150MPa pressure and dwell time, obtain fully dense block composite wood
Material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710273551.9A CN107012378B (en) | 2017-04-25 | 2017-04-25 | Cu70Zr20Ti10Amorphous alloy reinforced SiC composite material and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710273551.9A CN107012378B (en) | 2017-04-25 | 2017-04-25 | Cu70Zr20Ti10Amorphous alloy reinforced SiC composite material and preparation process thereof |
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| CN107012378B CN107012378B (en) | 2019-12-17 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234747A (en) * | 2011-06-23 | 2011-11-09 | 湖南理工学院 | Cu-based blocky amorphous alloy composite material |
| CN104772455A (en) * | 2015-04-17 | 2015-07-15 | 湖南理工学院 | CU70Zr20Ti10/Cu amorphous alloy sheet type composite powder and preparation process thereof |
| US20170101722A1 (en) * | 2014-05-27 | 2017-04-13 | Auckland Uniservices Limited | Plating or Coating Method for Producing Metal-Ceramic Coating on a Substrate |
-
2017
- 2017-04-25 CN CN201710273551.9A patent/CN107012378B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234747A (en) * | 2011-06-23 | 2011-11-09 | 湖南理工学院 | Cu-based blocky amorphous alloy composite material |
| US20170101722A1 (en) * | 2014-05-27 | 2017-04-13 | Auckland Uniservices Limited | Plating or Coating Method for Producing Metal-Ceramic Coating on a Substrate |
| CN104772455A (en) * | 2015-04-17 | 2015-07-15 | 湖南理工学院 | CU70Zr20Ti10/Cu amorphous alloy sheet type composite powder and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘伟华等: "SiC/Zr基非晶复合材料的动态断裂特性研究", 《兵器材料科学与工程》 * |
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