CN104046857A - High-damping aluminium alloy with wide frequency band and preparation method thereof - Google Patents
High-damping aluminium alloy with wide frequency band and preparation method thereof Download PDFInfo
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- CN104046857A CN104046857A CN201410313531.6A CN201410313531A CN104046857A CN 104046857 A CN104046857 A CN 104046857A CN 201410313531 A CN201410313531 A CN 201410313531A CN 104046857 A CN104046857 A CN 104046857A
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- 238000013016 damping Methods 0.000 title claims abstract description 30
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 5
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 37
- 239000000956 alloy Substances 0.000 claims description 37
- 238000005266 casting Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000011777 magnesium Substances 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 9
- 238000010791 quenching Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
本发明涉及一种宽频段高阻尼铝合金，以重量百分比含量由以下组分构成：Mg：13.2~15.1%，Ca：0.26~0.58%，Sr：0.11~0.28%，Ba：0.021~0.108%，Ti：1.01~1.59%，Zr：0.52~0.88%，Sc：0.28~0.76%，V：1.02~1.58%，Nb：0.24~0.81%，Cr：0.11~0.46%，Mo：0.23~0.66%，RE：1.12~1.49%，Fe：小于0.02%，Ni：小于0.01%，Cu：小于0.02%，Si：小于0.005%，余量为Al和不可避免的杂质。通过具体组分的搭配以及具体制备方法的设置，使得产品具有高阻尼和高强度等性能。The invention relates to a wide-band high-damping aluminum alloy, which is composed of the following components in weight percentage: Mg: 13.2-15.1%, Ca: 0.26-0.58%, Sr: 0.11-0.28%, Ba: 0.021-0.108%, Ti: 1.01~1.59%, Zr: 0.52~0.88%, Sc: 0.28~0.76%, V: 1.02~1.58%, Nb: 0.24~0.81%, Cr: 0.11~0.46%, Mo: 0.23~0.66%, RE : 1.12~1.49%, Fe: less than 0.02%, Ni: less than 0.01%, Cu: less than 0.02%, Si: less than 0.005%, and the balance is Al and unavoidable impurities. Through the collocation of specific components and the setting of specific preparation methods, the product has properties such as high damping and high strength.
Description
Technical field
The invention belongs to alloy field, particularly relate to a kind of wide-band high damping aluminium alloy and preparation method thereof.
Background technology
The aluminium alloy (aluminum magnesium alloy) obtaining by specific preparation method has good intensity, in wide-band and wide temperature range, have better damping and amortization, thermal treatment after damping capacity reduce aluminium alloy very little or that raise and have the good market requirement.For example.Damping means on scounting aeroplane support platform framework and naval vessel, these parts need material have lightweight, preferably damping and amortization, anticorrosive, intensity is high and be easy to the performances such as thermal treatment, urgently develop a kind of damping capacity good, and the good alloy of tensile strength, yield strength and elongation.
Summary of the invention
The object of the invention is to propose a kind of wide-band high damping aluminium alloy;
Two of object of the present invention is to propose a kind of preparation method of wide-band high damping aluminium alloy;
A kind of wide-band high damping aluminium alloy, described aluminium alloy is made up of following component with weight percent content: Mg:13.2 ~ 15.1%, Ca:0.26 ~ 0.58%, Sr:0.11 ~ 0.28%, Ba:0.021 ~ 0.108%, Ti:1.01 ~ 1.59%, Zr:0.52 ~ 0.88%, Sc:0.28 ~ 0.76%, V:1.02 ~ 1.58%, Nb:0.24 ~ 0.81%, Cr:0.11 ~ 0.46%, Mo:0.23 ~ 0.66%, RE:1.12 ~ 1.49%, Fe: be less than 0.02%, Ni: be less than 0.01%, Cu: be less than 0.02%, Si: be less than 0.005%, surplus is Al and inevitable impurity.
As preferably, described RE is mishmetal, wherein Y:11 ~ 18%, and Pr:6 ~ 9%, Nd:4 ~ 8%, La:21 ~ 26%, surplus is Ce and inevitable impurity.
As preferably, described wide-band is 20 ~ 110Hz.
A preparation method for aforementioned wide-band high damping aluminium alloy, comprises the steps:
(1) prepare raw material according to aforementioned aluminium alloy component, wherein Al and Mg all prepare with Al ingot and the Mg ingot forms of purity 99.99%, and other component is all prepared with master alloy form;
(2) first 22 ~ 26% aluminium ingot is joined in resistance furnace as bed material, resistance furnace is warmed up to 350 ~ 410 DEG C of preheatings, insulation 5 ~ 15min, is then warmed up to resistance furnace 750 ~ 780 DEG C rapidly, after aluminium ingot all melts, add magnesium ingot and other master alloy, add again remaining aluminium ingot, after treating that furnace charge all melts, induction stirring 25 ~ 41s, furnace temperature is dropped to 710 ~ 735 DEG C, insulation 25 ~ 61min;
(3) method that adopts fast vacuum to inhale casting obtains the alloy casting rod of as cast condition, and it is 2 ~ 5s that the casting time is inhaled in described fast vacuum suction casting, and alloy casting rod length is 1 ~ 1.25m;
(4) alloy casting rod step (3) being obtained is put into ruhmkorff coil, induction heating 3 ~ 6min, and the power of ruhmkorff coil is 1.3 ~ 1.6 kilowatts, the hardening liquid of then putting into 10 ~ 15 DEG C carries out quench treatment;
(5), by alloy casting rod induction heating to 160 ~ 210 DEG C in ruhmkorff coil after quenching, after insulation 15 ~ 20min, air cooling is to room temperature;
(6) the alloy casting rod after tempering is annealed, described in be annealed in ruhmkorff coil with 0.8 ~ 1.1 kilowatt of heating 1.1 ~ 2.0min, after then taking out, naturally cool to room temperature from ruhmkorff coil;
(7) step (6) is processed to alloy casting rod afterwards and again put into ruhmkorff coil, induction heating 2 ~ 5min, the power of ruhmkorff coil is 1.4 ~ 1.7 kilowatts, then puts into the hot quenching-in water of 80 ~ 85 DEG C;
(8) the alloy casting rod after quenching is heated to 160 ~ 210 DEG C in ruhmkorff coil, after insulation 16 ~ 28min, air cooling is to room temperature;
(9) the alloy casting rod after step (8) tempering is annealed again, described in be annealed in ruhmkorff coil with 0.7 ~ 1.0 kilowatt of heating 1 ~ 2.5min, after then taking out, naturally cool to room temperature from ruhmkorff coil; Obtain wide-band high damping aluminium alloy.
effect of the present invention is:
1, by the collocation of specific components and specific heat treatment mode, make this high damping aluminium alloy there is good ratio of damping;
2, by the collocation of heat treated design parameter, the performance such as intensity, toughness of aluminium alloy is largely increased;
3, by the reasonable control of the each component of alloy, make the density of damping alloy lower, cost is relatively low.
Embodiment
embodiment 1
A kind of wide-band high damping aluminium alloy, is characterized in that, described aluminium alloy is made up of following component with weight percent content: Mg:14.1%, Ca:0.38%, Sr:0.18%, Ba:0.098%, Ti:1.39%, Zr:0.68%, Sc:0.56%, V:1.38%, Nb:0.61%, Cr:0.36%, Mo:0.46%, RE:1.39%, Fe: be less than 0.01%, Ni: be less than 0.01%, Cu: be less than 0.01%, Si: be less than 0.005%, surplus is Al and inevitable impurity; Described RE is mishmetal, wherein Y:16%, and Pr:8%, Nd:6%, La:24%, surplus is Ce and inevitable impurity.
Gained alloy ratio of damping under 20Hz is under 0.0622,40Hz, to be under 0.0487,60Hz, to be under 0.0401,80Hz, to be under 0.0322,100Hz, to be 0.0312, and wherein the unit of ratio of damping is tan δ; Under room temperature, tensile strength is 269MPa, and yield strength is 218MPa, and elongation is 7.1%.
embodiment 2:
A preparation method for wide-band high damping aluminium alloy, is characterized in that, comprises the steps:
(1) prepare raw material according to aluminium alloy component, wherein Al and Mg all prepare with Al ingot and the Mg ingot forms of purity 99.99%, and other component is all prepared with master alloy form;
(2) first 24% aluminium ingot is joined in resistance furnace as bed material, resistance furnace is warmed up to 392 DEG C of preheatings, insulation 11min, is then warmed up to resistance furnace 762 DEG C rapidly, after aluminium ingot all melts, add magnesium ingot and other master alloy, add again remaining aluminium ingot, after treating that furnace charge all melts, induction stirring 32s, furnace temperature is dropped to 723 DEG C, insulation 42min;
(3) method that adopts fast vacuum to inhale casting obtains the alloy casting rod of as cast condition, and it is 4s that the casting time is inhaled in described fast vacuum suction casting, and alloy casting rod length is 1.13m;
Wherein described in alloy casting rod, aluminium alloy is made up of following component with weight percent content: Mg:13.9%, Ca:0.36%, Sr:0.19%, Ba:0.088%, Ti:1.12%, Zr:0.69%, Sc:0.49%, V:1.21%, Nb:0.61%, Cr:0.32%, Mo:0.51%, RE:1.32%, Fe:0.008%, Ni:0.003%, Cu:0.0009%, Si:0.0009%, surplus is Al and inevitable impurity; Described RE is mishmetal, wherein Y:14%, and Pr:7.2%, Nd:5%, La:25%, surplus is Ce and inevitable impurity;
(4) alloy casting rod step (3) being obtained is put into ruhmkorff coil, induction heating 4min, and the power of ruhmkorff coil is 1.4 kilowatts, the hardening liquid of then putting into 13 DEG C carries out quench treatment;
(5), by the alloy casting rod induction heating to 186 DEG C in ruhmkorff coil after quenching, after insulation 17min, air cooling is to room temperature;
(6) the alloy casting rod after tempering is annealed, described in be annealed in ruhmkorff coil with 0.92 kilowatt of heating 1.6min, after then taking out, naturally cool to room temperature from ruhmkorff coil;
(7) step (6) is processed to alloy casting rod afterwards and again put into ruhmkorff coil, induction heating 4min, the power of ruhmkorff coil is 1.67 kilowatts, then puts into the hot quenching-in water of 83 DEG C;
(8) the alloy casting rod after quenching is heated to 178 DEG C in ruhmkorff coil, after insulation 21min, air cooling is to room temperature;
(9) the alloy casting rod after step (8) tempering is annealed again, described in be annealed in ruhmkorff coil with 0.92 kilowatt of heating 2.1min, after then taking out, naturally cool to room temperature from ruhmkorff coil; Obtain wide-band high damping aluminium alloy.
Gained alloy ratio of damping under 20Hz is under 0.0582,40Hz, to be under 0.0462,60Hz, to be under 0.0400,80Hz, to be under 0.0342,100Hz, to be 0.0308, and wherein the unit of ratio of damping is tan δ; Under room temperature, tensile strength is 278MPa, and yield strength is 216MPa, and elongation is 7.2%.
Claims (4)
1. a wide-band high damping aluminium alloy, it is characterized in that, described aluminium alloy is made up of following component with weight percent content: Mg:13.2 ~ 15.1%, Ca:0.26 ~ 0.58%, Sr:0.11 ~ 0.28%, Ba:0.021 ~ 0.108%, Ti:1.01 ~ 1.59%, Zr:0.52 ~ 0.88%, Sc:0.28 ~ 0.76%, V:1.02 ~ 1.58%, Nb:0.24 ~ 0.81%, Cr:0.11 ~ 0.46%, Mo:0.23 ~ 0.66%, RE:1.12 ~ 1.49%, Fe: be less than 0.02%, Ni: be less than 0.01%, Cu: be less than 0.02%, Si: be less than 0.005%, surplus is Al and inevitable impurity.
2. wide-band high damping aluminium alloy according to claim 1, is characterized in that, described RE is mishmetal, wherein Y:11 ~ 18%, and Pr:6 ~ 9%, Nd:4 ~ 8%, La:21 ~ 26%, surplus is Ce and inevitable impurity.
3. wide-band high damping aluminium alloy according to claim 1, is characterized in that, described wide-band is 20 ~ 110Hz.
4. a preparation method for wide-band high damping aluminium alloy described in claim 1, is characterized in that, comprises the steps:
(1) prepare raw material according to aluminium alloy component described in claim 1, wherein Al and Mg all prepare with Al ingot and the Mg ingot forms of purity 99.99%, and other component is all prepared with master alloy form;
(2) first 22 ~ 26% aluminium ingot is joined in resistance furnace as bed material, 350 ~ 410 DEG C of preheatings of resistance furnace intensification, insulation 5 ~ 15min, is then warmed up to resistance furnace 750 ~ 780 DEG C rapidly, after aluminium ingot all melts, add magnesium ingot and other master alloy, add again remaining aluminium ingot, after treating that furnace charge all melts, induction stirring 25 ~ 41s, furnace temperature is dropped to 710 ~ 735 DEG C, insulation 25 ~ 61min;
(3) method that adopts fast vacuum to inhale casting obtains the alloy casting rod of as cast condition, and it is 2 ~ 5s that the casting time is inhaled in described fast vacuum suction casting, and alloy casting rod length is 1 ~ 1.25m;
(4) alloy casting rod step (3) being obtained is put into ruhmkorff coil, induction heating 3 ~ 6min, and the power of ruhmkorff coil is 1.3 ~ 1.6 kilowatts, the hardening liquid of then putting into 10 ~ 15 DEG C carries out quench treatment;
(5), by alloy casting rod induction heating to 160 ~ 210 DEG C in ruhmkorff coil after quenching, after insulation 15 ~ 20min, air cooling is to room temperature;
(6) the alloy casting rod after tempering is annealed, described in be annealed in ruhmkorff coil with 0.8 ~ 1.1 kilowatt of heating 1.1 ~ 2.0min, after then taking out, naturally cool to room temperature from ruhmkorff coil;
(7) step (6) is processed to alloy casting rod afterwards and again put into ruhmkorff coil, induction heating 2 ~ 5min, the power of ruhmkorff coil is 1.4 ~ 1.7 kilowatts, then puts into the hot quenching-in water of 80 ~ 85 DEG C;
(8) the alloy casting rod after quenching is heated to 160 ~ 210 DEG C in ruhmkorff coil, after insulation 16 ~ 28min, air cooling is to room temperature;
(9) the alloy casting rod after step (8) tempering is annealed again, described in be annealed in ruhmkorff coil with 0.7 ~ 1.0 kilowatt of heating 1 ~ 2.5min, after then taking out, naturally cool to room temperature from ruhmkorff coil; Obtain wide-band high damping aluminium alloy.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734465A (en) * | 2016-04-08 | 2016-07-06 | 太仓市沪太热处理厂 | Heat treatment process for complex aluminum alloy casting |
| CN106521266A (en) * | 2016-11-29 | 2017-03-22 | 宁波瑞铭机械有限公司 | Sewing machine needle rod holder and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277564A (en) * | 1988-09-13 | 1990-03-16 | Furukawa Alum Co Ltd | Aluminum-alloy high-dumping material and its production |
| JPH03223436A (en) * | 1990-01-29 | 1991-10-02 | Furukawa Alum Co Ltd | Aluminum alloy high damping material and its manufacture |
| US20040065173A1 (en) * | 2002-10-02 | 2004-04-08 | The Boeing Company | Method for preparing cryomilled aluminum alloys and components extruded and forged therefrom |
| CN101280378A (en) * | 2008-02-27 | 2008-10-08 | 中国科学院长春应用化学研究所 | A 20-100Hz frequency band high-damping aluminum-magnesium alloy and its preparation method |
| CN102268575A (en) * | 2011-07-20 | 2011-12-07 | 安徽欣意电缆有限公司 | Aluminum alloy material and preparation method thereof |
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2014
- 2014-07-03 CN CN201410313531.6A patent/CN104046857B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277564A (en) * | 1988-09-13 | 1990-03-16 | Furukawa Alum Co Ltd | Aluminum-alloy high-dumping material and its production |
| JPH03223436A (en) * | 1990-01-29 | 1991-10-02 | Furukawa Alum Co Ltd | Aluminum alloy high damping material and its manufacture |
| US20040065173A1 (en) * | 2002-10-02 | 2004-04-08 | The Boeing Company | Method for preparing cryomilled aluminum alloys and components extruded and forged therefrom |
| CN101280378A (en) * | 2008-02-27 | 2008-10-08 | 中国科学院长春应用化学研究所 | A 20-100Hz frequency band high-damping aluminum-magnesium alloy and its preparation method |
| CN102268575A (en) * | 2011-07-20 | 2011-12-07 | 安徽欣意电缆有限公司 | Aluminum alloy material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734465A (en) * | 2016-04-08 | 2016-07-06 | 太仓市沪太热处理厂 | Heat treatment process for complex aluminum alloy casting |
| CN106521266A (en) * | 2016-11-29 | 2017-03-22 | 宁波瑞铭机械有限公司 | Sewing machine needle rod holder and preparation method thereof |
| CN106521266B (en) * | 2016-11-29 | 2019-05-10 | 宁波瑞铭机械有限公司 | A kind of sewing machine needle bar holder and preparation method thereof |
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Effective date of registration: 20170510 Address after: 211400 Jiangsu city of Yangzhou province Yizheng City Lianzhong Auto Industrial Park Road No. 16 Patentee after: Haitian Aluminum Co., Ltd. Address before: 363000 village, Lantian Development Zone, Zhangzhou, Fujian, China 68-4 Patentee before: Zhong Xiaowu |
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