CN102212733A - High-performance multi-principal-element alloy of nano cellular crystal texture structure - Google Patents
High-performance multi-principal-element alloy of nano cellular crystal texture structure Download PDFInfo
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- CN102212733A CN102212733A CN 201010142879 CN201010142879A CN102212733A CN 102212733 A CN102212733 A CN 102212733A CN 201010142879 CN201010142879 CN 201010142879 CN 201010142879 A CN201010142879 A CN 201010142879A CN 102212733 A CN102212733 A CN 102212733A
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- 239000013078 crystal Substances 0.000 title abstract description 6
- 230000001413 cellular effect Effects 0.000 title abstract 4
- 229910001325 element alloy Inorganic materials 0.000 title abstract 3
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 65
- 239000000956 alloy Substances 0.000 claims abstract description 65
- 238000010276 construction Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000005275 alloying Methods 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 2
- 229910018098 Ni-Si Inorganic materials 0.000 abstract 1
- 229910018529 Ni—Si Inorganic materials 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910021484 silicon-nickel alloy Inorganic materials 0.000 description 1
- 238000001330 spinodal decomposition reaction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
The invention relates to a novel multi-component metal material, in particular to a high-performance multi-principal-element alloy of a nano cellular crystal texture structure. The alloy is composed of six elements of Al-Co-Cr-Fe-Ni-Si. The alloy comprises the following components in mole ratio: Al 0.5-1.3, Co 0.75-1.3, Cr 0.5-1.4, Fe 0.9-1.2, Ni 0.8-1.2 and Si 0-1.2. The alloy is prepared by adopting a copper mould casting method. The texture structure of the alloy system is mainly nanoscale cellular crystal which has excellent mechanical property, high strength and a certain plastic strain simultaneously. In the invention, the existence of element Si is used for promoting formation of the nanoscale cellular crystal in the alloy so as to improve the mechanical property of the alloy. The multi-principal-element alloy has a great potential application prospect.
Description
Technical field
The present invention relates to novel multicomponent metallic substance, many pivots alloy of the brilliant weave construction of a kind of high performance nanometer born of the same parents' shape is provided especially.
Background technology
With traditional metal and alloy phase ratio thereof, many pivots alloy has the wear-resisting and corrosion resistance nature of higher hardness, excellence.Owing to form the major components diversification of many pivots alloy, make the composition of alloy have more adjusting space, and then cause different performance to satisfy the requirement of varying environment to material.Thereby the further exploration of many pivots alloy will be enriched the research of material science greatly, and widens the Application Areas of such material.
At present, for the research of many pivots alloy, mainly comprise of the influence of technologies such as alloy element or thermal treatment for alloy microstructure, phase composite, mechanical property, frictional wear and corrosive nature; Many pivots alloy is in the exploration of Application Areas; The formation mechanism of many pivots alloy etc.Be seen in the main element in the traditional material of component of many pivots alloy of report, as main group and transition elements such as Al, Ti, V, Cr, Fe, Co, Ni, Cu and Zr.
Summary of the invention
The object of the present invention is to provide many pivots alloy of the brilliant weave construction of a kind of high performance nanometer born of the same parents' shape.This alloy is because the weave construction of nano level born of the same parents shape crystalline substance makes many pivots alloy have high compressive strength and bigger plastix strain.
Technical scheme of the present invention is:
Many pivots alloy of the brilliant weave construction of a kind of high performance nanometer born of the same parents' shape, this alloy contains (mol ratio): 0.5～1.3Al, 0.75～1.3Co, 0.5～1.4Cr, 0.9～1.2Fe, 0.8～1.2Ni, 0～1.2Si.
Described many pivots alloy, alloy microstructure are mainly born of the same parents' shape crystalline substance of nano-scale, make many pivots alloy have higher intensity by solid solution and precipitation hardened approach, have certain plasticity simultaneously.
Described many pivots alloy, the about 45～75nm of width of nanometer born of the same parents shape crystalline substance in this alloy structure, the about 90～230nm of length.
Described many pivots alloy, the compression yield strength 1110-2396MPa of this alloy, compressed rupture strength 2273-3012MPa, overall strain amount 1.2-20%.
Composition when described many pivots alloy, this alloy have comprehensive excellent properties is (mol ratio): 1 Al, 1Co, 1Cr, 1Fe, 1Ni, 0.4Si.This alloy compression yield strength: 1524MPa, compressed rupture strength: 2826MPa, overall strain amount: 12.35%.
The advantage that the present invention has:
1, many pivots of Al-Co-Cr-Fe-Ni-Si alloy of the present invention has the heterogeneous microstructure of nanoscale, the existence of Si element promotes the formation of nano level born of the same parents shape crystalline substance in the alloy, and then improve the mechanical property of alloy, show excellent comprehensive mechanical properties, have higher intensity and bigger plastix strain, show good prospects for application.
2, many pivots alloy of the brilliant weave construction of nanometer born of the same parents' shape of the present invention can successfully be obtained by the copper mold casting of routine, need not subsequent disposal, thereby preparation technology is simple.
Description of drawings
Fig. 1 is AlCoCrFeNiSi
xThe XRD curve of (x=, 0.2,0.4,0.6,0.8 and 1.0) alloy.
Fig. 2 is AlCoCrFeNiSi
xAlloy: (a) 0, (b) 0.2, (c) 0.4, (d) 0.6, (e) 0.8 and (f) 1.0 back scattering photo.
Fig. 3 is AlCoCrFeNiSi
xThe TEM photo of alloy and selected diffraction style: (a) 0, (b) 0.2, (c) 0.6, (d) 0.6 (crystal boundary pattern, embedded picture is the selected diffraction of δ phase), (e) 0.8 and (f) 0.8 (pattern at C place among Fig. 2 e, embedded picture are the selected diffraction of δ phase).
Fig. 4 is AlCoCrFeNiSi
xThe compressive stress strain curve of (x=0,0.2,0.4,0.6,0.8 and 1.0) alloy.
Embodiment
The present invention is described in detail in detail by the following examples.
Embodiment 1
Many pivots alloy of selecting is AlCoCrFeNiSi
0.2(footmark is a mol ratio).
AlCoCrFeNiSi of the present invention
0.2The smelting process of mother alloy is a routine techniques, the present embodiment mother alloy smelt concrete processing parameter and process as follows:
The used starting material of present embodiment are respectively Al, Co, Cr, Fe, Ni, Si high pure metal (purity is not less than 99wt.%); Master alloy ingot adopts arc melting, at first working chamber is evacuated to 10
-3～10
-4Pa, and then feeding high-purity argon gas (purity is 99.99wt.%) carries out melting; Before the molten alloy, at first, form the dividing potential drop of titanium oxide with oxygen in the further reduction working chamber by oxidizing reaction with the pure Ti ingot metal fusing in the electric arc furnace; Even as far as possible for the composition that guarantees alloy cast ingot, each alloy cast ingot all needs melt back 3～5 times; Alloy cast ingot is crushed to fritter, has aperture bottom the fritter alloy of certain mass is put into and (behind the silica tube of diameter 1～1.5mm), working chamber is evacuated to 10
-3～10
-4Pa carries out induction melting again, adopts the method for copper mold casting to prepare, and the copper mold under with high-purity argon gas the alloy melt in the silica tube being sprayed into carries out the copper mold casting, and obtaining diameter is the bar-shaped sample of 5mm.
By Fig. 1-4 as can be known, the crystalline structure of present embodiment alloy is the single solid solution structure of simple bcc, because spinodal decomposition has been formed uniformly the about 45～75nm of width, born of the same parents' shape crystalline substance of the about 90～230nm of length in crystal grain inside.Compression yield strength reaches 1349MPa, and compressed rupture strength reaches 2527MPa, and overall strain reaches 12.63%.
Embodiment 2
Difference from Example 1 is:
Many pivots alloy of selecting is AlCoCrFeNiSi
0.4(footmark is a mol ratio).Present embodiment alloy compression yield strength reaches 1524MPa, and compressed rupture strength reaches 2826MPa, and overall strain reaches 12.35%.
Embodiment 3
Difference from Example 1 is:
Many pivots alloy of selecting is AlCoCrFeNiSi
0.6(footmark is a mol ratio).Separated out the δ phase of the about 300nm of size in present embodiment alloy organizing structure, compression yield strength reaches 1776MPa, and compressed rupture strength reaches 2273MPa, and overall strain reaches 2.71%.
Embodiment 4
Difference from Example 1 is:
Many pivots alloy of selecting is AlCoCrFeNiSi
0.8(footmark is a mol ratio).Separated out the δ phase of the about 500nm of size in present embodiment alloy organizing structure, compression yield strength reaches 2396MPa, and compressed rupture strength reaches 2744MPa, and overall strain reaches 1.47%.
Claims (5)
1. many pivots alloy of the brilliant weave construction of high performance nanometer born of the same parents' shape is characterized in that, counts in molar ratio, and this alloying constituent is: 0.5～1.3Al, 0.75～1.3Co, 0.5～1.4Cr, 0.9～1.2Fe, 0.8～1.2Ni, 0～1.2Si.
2. according to many pivots alloy of the brilliant weave construction of the described high performance nanometer born of the same parents' shape of claim 1, it is characterized in that, in this alloy organizing, the width 45～75nm of nanometer born of the same parents' shape crystalline substance, length 90～230nm.
3. according to many pivots alloy of the brilliant weave construction of the described high performance nanometer born of the same parents' shape of claim 1, it is characterized in that the compression yield strength 1110-2396MPa of this alloy, compressed rupture strength 2273-3012MPa, overall strain amount 1.2-20%.
4. according to many pivots alloy of the brilliant weave construction of the described high performance nanometer born of the same parents' shape of claim 1, it is characterized in that the composition when meter in molar ratio, this alloy have comprehensive excellent properties is: 1Al, 1Co, 1Cr, 1Fe, 1Ni, 0.4Si.
5. according to many pivots alloy of the brilliant weave construction of the described high performance nanometer born of the same parents' shape of claim 4, it is characterized in that this alloy compression yield strength: 1524MPa, compressed rupture strength: 2826MPa, overall strain amount: 12.35%.
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|---|---|---|---|
| CN 201010142879 CN102212733B (en) | 2010-04-09 | 2010-04-09 | High-performance multi-principal-element alloy of nano cellular crystal texture structure |
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|---|---|---|---|
| CN 201010142879 CN102212733B (en) | 2010-04-09 | 2010-04-09 | High-performance multi-principal-element alloy of nano cellular crystal texture structure |
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| CN102212733A true CN102212733A (en) | 2011-10-12 |
| CN102212733B CN102212733B (en) | 2013-01-30 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766797A (en) * | 2011-05-04 | 2012-11-07 | 中国科学院金属研究所 | Multi-principal-element alloy |
| US20130323116A1 (en) * | 2012-05-31 | 2013-12-05 | Swe-Kai Chen | Alloy material with constant electrical resistivity, applications and method for producing the same |
| CN103757514A (en) * | 2014-01-27 | 2014-04-30 | 沈阳大学 | High-entropy AlCoCrFeNiCuC alloy and preparation method thereof |
| CN103757631A (en) * | 2014-01-27 | 2014-04-30 | 沈阳大学 | Preparation method of high-entropy AlCoNiCrFeMo alloy coating |
| CN104668549A (en) * | 2013-12-02 | 2015-06-03 | 财团法人工业技术研究院 | Alloy powder and laser adding material manufacturing process applying same |
| CN105331869A (en) * | 2015-11-30 | 2016-02-17 | 重庆理工大学 | Multi-principal element alloy and method for surface treatment of titanium alloy |
| CN109355544A (en) * | 2018-11-12 | 2019-02-19 | 沈阳工业大学 | A kind of addition aluminium, high-entropy alloy of element silicon and preparation method thereof |
| US11104981B2 (en) | 2019-11-26 | 2021-08-31 | Industrial Technology Research Institute | Aluminum-cobalt-chromium-iron-nickel-silicon alloy, powder and cladding thereof |
| CN113430406A (en) * | 2021-05-21 | 2021-09-24 | 中国科学院金属研究所 | Precipitation strengthening CoCrNiAlNb multi-principal-element alloy and preparation method thereof |
-
2010
- 2010-04-09 CN CN 201010142879 patent/CN102212733B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 《Journal of Alloys and Compounds》 20100318 C.Li et al "Effect of aluminum contents on microstructure and properties of AlxCoCrFeNi alloys" 第s515-s518页 1-5 第504S卷, * |
| 《Materials Science and Engineering A》 20081231 Y.P.Wang et al "Microstructure and compressive properties of AlCrFeCoNi high entropy alloy" 第154-158页 1-3 第491卷, * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766797A (en) * | 2011-05-04 | 2012-11-07 | 中国科学院金属研究所 | Multi-principal-element alloy |
| CN102766797B (en) * | 2011-05-04 | 2014-01-08 | 中国科学院金属研究所 | Multi-principal-element alloy |
| US20130323116A1 (en) * | 2012-05-31 | 2013-12-05 | Swe-Kai Chen | Alloy material with constant electrical resistivity, applications and method for producing the same |
| US9169538B2 (en) * | 2012-05-31 | 2015-10-27 | National Tsing Hua University | Alloy material with constant electrical resistivity, applications and method for producing the same |
| CN104668549A (en) * | 2013-12-02 | 2015-06-03 | 财团法人工业技术研究院 | Alloy powder and laser adding material manufacturing process applying same |
| CN103757514A (en) * | 2014-01-27 | 2014-04-30 | 沈阳大学 | High-entropy AlCoCrFeNiCuC alloy and preparation method thereof |
| CN103757631A (en) * | 2014-01-27 | 2014-04-30 | 沈阳大学 | Preparation method of high-entropy AlCoNiCrFeMo alloy coating |
| CN105331869A (en) * | 2015-11-30 | 2016-02-17 | 重庆理工大学 | Multi-principal element alloy and method for surface treatment of titanium alloy |
| CN105331869B (en) * | 2015-11-30 | 2017-07-07 | 重庆理工大学 | A kind of multi-principal elements alloy and its method for processing titanium alloy surface |
| CN109355544A (en) * | 2018-11-12 | 2019-02-19 | 沈阳工业大学 | A kind of addition aluminium, high-entropy alloy of element silicon and preparation method thereof |
| US11104981B2 (en) | 2019-11-26 | 2021-08-31 | Industrial Technology Research Institute | Aluminum-cobalt-chromium-iron-nickel-silicon alloy, powder and cladding thereof |
| CN113430406A (en) * | 2021-05-21 | 2021-09-24 | 中国科学院金属研究所 | Precipitation strengthening CoCrNiAlNb multi-principal-element alloy and preparation method thereof |
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