CN1095764A - A kind of preparation method of bulk amorphous material - Google Patents
A kind of preparation method of bulk amorphous material Download PDFInfo
- Publication number
- CN1095764A CN1095764A CN 93111162 CN93111162A CN1095764A CN 1095764 A CN1095764 A CN 1095764A CN 93111162 CN93111162 CN 93111162 CN 93111162 A CN93111162 A CN 93111162A CN 1095764 A CN1095764 A CN 1095764A
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- preparation
- alloy
- bulk
- amorphous material
- amorphous
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- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000000463 material Substances 0.000 title claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 230000009466 transformation Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000000280 densification Methods 0.000 abstract description 2
- 239000002178 crystalline material Substances 0.000 description 4
- 229910000967 As alloy Inorganic materials 0.000 description 3
- 229910017945 Cu—Ti Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Powder Metallurgy (AREA)
- Physical Vapour Deposition (AREA)
Abstract
A kind of preparation method of bulk amorphous material is suitable for the bigger alloy of rate of compression, i.e. dT in T-P phasor
mThe system of/dp＜0, as alloys such as Ti system, As system, Sb system, Si systems, it is characterized in that technological process complies with following step and carry out: with the uniform alloy heating and pressurizing, pressure 5GPa～10GPa is heated to fusing; Under high pressure melt is cooled off fast, cooling rate is at 200ks
-1～1000ks
-1, to glass transformation temperature; Release.Can directly prepare bulk by method provided by the present invention and stablize amorphous, the interface cleanness densification, and stable.
Description
The present invention relates to the technology of preparing of non-crystalline material, particularly pressure and lead to the formation technology of stablizing amorphous bulk.
Non-crystalline material receives the concern in the world day by day owing to its excellent performance, the amorphous technology of preparing of at present the most conventional comparative maturity is the melt sputtering method, product is amorphous ribbon or film, need mechanical compaction if want to form bulk material, often cause the forfeiture or the part forfeiture of superperformance, the amorphous powder that is made by mechanical alloying or CVD (Chemical Vapor Deposition) method also can obtain amorphous bulk by the method for briquetting, but exists interface pollution to reach shortcomings such as not fine and close.Over the past two years, also have to press to cause decrystallized research, and be mainly room temperature and press down and cause decrystallizedly, and do not have variation of temperature, pressure must be greater than 30GPa; Most of decrystallized transformation is a reversible, changes crystal after the release again into.
The object of the present invention is to provide a kind of preparation method of non-crystalline material, can form bulk and stable non-crystalline material.
The preparation method of bulk amorphous material provided by the invention is suitable for the bigger alloy of rate of compression, i.e. dT in the T-P phasor
mThe system of/d p＜0 as alloys such as Ti system, As system, Sb system, Si systems, is characterized in that technological process complies with following step and carry out:
-with the uniform alloy heating and pressurizing, pressure is heated to fusing between 5GPa～10GPa;
-under high pressure melt to be cooled off fast, cooling is at 100ks
-1～1000ks
-1, to glass transformation temperature;
-release.
Can directly prepare bulk by method provided by the present invention and stablize amorphous, the interface cleanness densification, and stable.Be described in detail the present invention below by embodiment.
Melt quenches decrystallized under the embodiment 1:Cu-Ti alloy high pressure
1. be Cu and Ti(purity 99.9%) in vacuum arc fumace, carry out melting, composition is the Cu60Ti40(atomic ratio), melt back repeatedly so that its interior tissue is even;
2. the Cu-Ti alloy is placed in the Belt type container, boost to 5.5GPa, and be warming up to 1573K, than about the high 300K of the temperature of fusion under the normal pressure, under high pressure can melt with assurance;
3. under 5.5GPa, be cooled to room temperature with the speed of cooling of 300K/s from 1573K;
4. release, and take out sample.
Detect through X ray and Electronic Speculum, the Cu-Ti alloy has changed non-crystaline amorphous metal into after above-mentioned processing, and differential thermal analysis shows that crystallization temperature improves 210K than sputtering method.
Melt quenches decrystallized under the embodiment 2:Cd-As alloy high pressure
1. the Cd-As alloy is Cd(99.99%) and element powders As(99.9%) with CdAs
2Composition proportion, in 1023K vitreosil pipe, be smelted into mother alloy, then in the long-time diffusion annealing of 673K so that its homogeneous microstructure;
2. this even Cd-As alloy is put into Belt type container, boost to 5GPa, 1173K, heat-insulation pressure keeping is 1 hour then;
3. under 5GPa, be cooled to room temperature with 300K/S from 1173K;
4. sample is taken out in release.
Detecting through X-ray and Electronic Speculum, has been amorphous, and crystallization temperature improves 203K than sputtering method.
Claims (1)
1, a kind of preparation method of bulk amorphous material is suitable for the bigger alloy of rate of compression, i.e. the system of dTm/dp＜0 in the T-P phasor as alloys such as Ti system, As system, Sb system, Si systems, is characterized in that technological process complies with following step and carry out:
--with the uniform alloy heating and pressurizing, pressure is heated to fusing between 5GPa～10GPa;
--under high pressure melt is cooled off fast, cooling rate is at 100ks
-1～1000ks
-1, to glass transformation temperature;
--release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111162 CN1095764A (en) | 1993-05-25 | 1993-05-25 | A kind of preparation method of bulk amorphous material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111162 CN1095764A (en) | 1993-05-25 | 1993-05-25 | A kind of preparation method of bulk amorphous material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1095764A true CN1095764A (en) | 1994-11-30 |
Family
ID=4988966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93111162 Pending CN1095764A (en) | 1993-05-25 | 1993-05-25 | A kind of preparation method of bulk amorphous material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1095764A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309858C (en) * | 1999-11-18 | 2007-04-11 | Ykk株式会社 | Non-crystal alloy formed workpieces with hardened surface and production thereof |
| CN1312313C (en) * | 2005-03-14 | 2007-04-25 | 浙江大学 | Method for preparing bulk metallic glasses by pressure induction at high temperature and high pressure |
| WO2016082561A1 (en) * | 2014-11-30 | 2016-06-02 | 中国科学院金属研究所 | Method for forming amorphous alloy member |
| CN107217218A (en) * | 2017-06-19 | 2017-09-29 | 南京理工大学 | Calcium and magnesium copper non-crystaline amorphous metal with hot pressing stability and preparation method thereof |
-
1993
- 1993-05-25 CN CN 93111162 patent/CN1095764A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1309858C (en) * | 1999-11-18 | 2007-04-11 | Ykk株式会社 | Non-crystal alloy formed workpieces with hardened surface and production thereof |
| CN1312313C (en) * | 2005-03-14 | 2007-04-25 | 浙江大学 | Method for preparing bulk metallic glasses by pressure induction at high temperature and high pressure |
| WO2016082561A1 (en) * | 2014-11-30 | 2016-06-02 | 中国科学院金属研究所 | Method for forming amorphous alloy member |
| CN107217218A (en) * | 2017-06-19 | 2017-09-29 | 南京理工大学 | Calcium and magnesium copper non-crystaline amorphous metal with hot pressing stability and preparation method thereof |
| CN107217218B (en) * | 2017-06-19 | 2019-01-18 | 南京理工大学 | Calcium and magnesium copper amorphous alloy with hot pressing stability and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |