CN104046857B - A kind of wide-band high damping aluminium alloy and preparation method thereof - Google Patents
A kind of wide-band high damping aluminium alloy and preparation method thereof Download PDFInfo
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- CN104046857B CN104046857B CN201410313531.6A CN201410313531A CN104046857B CN 104046857 B CN104046857 B CN 104046857B CN 201410313531 A CN201410313531 A CN 201410313531A CN 104046857 B CN104046857 B CN 104046857B
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 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 38
- 239000000956 alloy Substances 0.000 claims description 38
- 238000005266 casting Methods 0.000 claims description 34
- 230000006698 induction Effects 0.000 claims description 30
- 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
- 238000010791 quenching Methods 0.000 claims description 12
- 230000000171 quenching effect Effects 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
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 4
- 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
- -1 wherein Y:16% Inorganic materials 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005496 tempering Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
nullThe present invention relates to a kind of wide-band high damping aluminium alloy，It is made up of following components 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: less than 0.02%，Ni: less than 0.01%，Cu: less than 0.02%，Si: less than 0.005%，Surplus is Al and inevitable impurity.By collocation and the setting of concrete preparation method of concrete component so that product has the performance such as high-damping and high intensity.
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 (almag) obtained by specific preparation method has good intensity, in wide-band and wide temperature range, have preferable damping and amortization, heat treatment after damping capacity reduce aluminium alloy that is the least or that raise and have the good market demand.Such as.Damping means on scounting aeroplane support platform framework and naval vessel, these parts need that material has lightweight, preferable damping and amortization, anticorrosive, intensity is high and is prone to the performances such as heat treatment, urgently develop a kind of damping capacity good, and the preferable alloy of tensile strength, yield strength and percentage elongation.
Summary of the invention
It is an object of the invention to propose a kind of wide-band high damping aluminium alloy；
The two of the purpose of the present invention are to propose the preparation method of a kind of wide-band high damping aluminium alloy；
nullA kind of wide-band high damping aluminium alloy，Described aluminium alloy is made up of following components 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: less than 0.02%，Ni: less than 0.01%，Cu: less than 0.02%，Si: less than 0.005%，Surplus is Al and inevitable impurity.
As preferably, described RE is mischmetal, wherein Y:11 ~ 18%, Pr:6 ~ 9%, Nd:4 ~ 8%, La:21 ~ 26%, and surplus is Ce and inevitable impurity.
As preferably, described wide-band is 20 ~ 110Hz.
The preparation method of a kind of aforementioned wide-band high damping aluminium alloy, comprises the steps:
(1) preparing raw material according to aforementioned aluminium alloy component, wherein Al and Mg is all with Al ingot and the preparation of Mg ingot forms of purity 99.99%, and other component all prepares with intermediate alloy form；
(2) first the aluminium ingot of 22 ~ 26% 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 750 ~ 780 DEG C by resistance furnace, after aluminium ingot all melts rapidly, add magnesium ingot and other intermediate alloy, add remaining aluminium ingot, after treating that furnace charge all melts, electromagnetic agitation 25 ~ 41s, furnace temperature is dropped to 710 ~ 735 DEG C, is incubated 25 ~ 61min；
(3) method of employing fast vacuum suction casting obtains the alloy casting rod of as cast condition, and the described fast vacuum suction casting suction casting time is 2 ~ 5s, a length of 1 ~ 1.25m of alloy casting rod；
(4) putting in induction coil by the alloy casting rod that step (3) obtains, sense heating 3 ~ 6min, the power of induction coil is 1.3 ~ 1.6 kilowatts, is then placed in the quenching liquid of 10 ~ 15 DEG C carrying out Quenching Treatment；
(5) the alloy casting rod after quenching sense in induction coil and be heated to 160 ~ 210 DEG C, after being incubated 15 ~ 20min, air cooling is to room temperature；
(6) will tempering after alloy casting rod anneal, described in be annealed in induction coil with 0.8 ~ 1.1 kilowatt heating 1.1 ~ 2.0min, then from induction coil take out after naturally cool to room temperature；
(7) the alloy casting rod after step (6) being processed is placed again in induction coil, senses heating 2 ~ 5min, and the power of induction coil is 1.4 ~ 1.7 kilowatts, is then placed in the hot quenching-in water of 80 ~ 85 DEG C；
(8) the alloy casting rod after quenching being heated in induction coil 160 ~ 210 DEG C, after insulation 16 ~ 28min, air cooling is to room temperature；
(9) by step (8) be tempered after alloy casting rod again anneal, described in be annealed in induction coil with 0.7 ~ 1.0 kilowatt heating 1 ~ 2.5min, then from induction coil take out after naturally cool to room temperature；Obtain wide-band high damping aluminium alloy.
Effect of the invention is that:
1, by specific components and the collocation of specific heat treatment mode so that this high damping aluminium alloy has good damped coefficient；
2, by the collocation of the design parameter of heat treatment so that the performances such as the intensity of aluminium alloy, toughness are largely increased；
3, by the conservative control of component each to alloy so that the density of damping alloy is relatively low, advantage of lower cost.
Detailed description of the invention
Embodiment
1
A kind of wide-band high damping aluminium alloy, it is characterised in that described aluminium alloy is made up of following components 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: less than 0.01%, Ni: less than 0.01%, Cu: less than 0.01%, Si: less than 0.005%, surplus is Al and inevitable impurity；Described RE is mischmetal, wherein Y:16%, Pr:8%, Nd:6%, La:24%, and surplus is Ce and inevitable impurity.
Gained alloy is to be 0.0401 under 0.0487,60Hz under under 20Hz, damped coefficient is 0.0622,40Hz, is 0.0322, is 0.0312 under 100Hz under 80Hz, and wherein the unit of damped coefficient is tan δ；Under room temperature, tensile strength is 269MPa, and yield strength is 218MPa, and percentage elongation is 7.1%.
Embodiment
2
:
The preparation method of a kind of wide-band high damping aluminium alloy, it is characterised in that comprise the steps:
(1) preparing raw material according to aluminium alloy component, wherein Al and Mg is all with Al ingot and the preparation of Mg ingot forms of purity 99.99%, and other component all prepares with intermediate alloy form；
(2) first the aluminium ingot of 24% 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 762 DEG C by resistance furnace, after aluminium ingot all melts rapidly, add magnesium ingot and other intermediate alloy, add remaining aluminium ingot, after treating that furnace charge all melts, electromagnetic agitation 32s, furnace temperature is dropped to 723 DEG C, is incubated 42min；
(3) method of employing fast vacuum suction casting obtains the alloy casting rod of as cast condition, and the described fast vacuum suction casting suction casting time is 4s, a length of 1.13m of alloy casting rod；
Wherein described in alloy casting rod, aluminium alloy is made up of following components 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 mischmetal, wherein Y:14%, Pr:7.2%, Nd:5%, La:25%, and surplus is Ce and inevitable impurity；
(4) putting in induction coil by the alloy casting rod that step (3) obtains, sensing heating 4min, the power of induction coil is 1.4 kilowatts, is then placed in the quenching liquid of 13 DEG C carrying out Quenching Treatment；
(5) the alloy casting rod after quenching sense in induction coil and be heated to 186 DEG C, after being incubated 17min, air cooling is to room temperature；
(6) will tempering after alloy casting rod anneal, described in be annealed in induction coil with 0.92 kilowatt heating 1.6min, then from induction coil take out after naturally cool to room temperature；
(7) the alloy casting rod after step (6) being processed is placed again in induction coil, and sensing heating 4min, the power of induction coil is 1.67 kilowatts, is then placed in the hot quenching-in water of 83 DEG C；
(8) the alloy casting rod after quenching being heated in induction coil 178 DEG C, after insulation 21min, air cooling is to room temperature；
(9) by step (8) be tempered after alloy casting rod again anneal, described in be annealed in induction coil with 0.92 kilowatt heating 2.1min, then from induction coil take out after naturally cool to room temperature；Obtain wide-band high damping aluminium alloy.
Gained alloy is to be 0.0400 under 0.0462,60Hz under under 20Hz, damped coefficient is 0.0582,40Hz, is 0.0342, is 0.0308 under 100Hz under 80Hz, and wherein the unit of damped coefficient is tan δ；Under room temperature, tensile strength is 278MPa, and yield strength is 216MPa, and percentage elongation is 7.2%.
Claims (2)
1. a wide-band high damping aluminium alloy, it is characterised in that described aluminium alloy is made up of following components 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: less than 0.01%, Ni: less than 0.01%, Cu: less than 0.01%, Si: less than 0.005%, surplus is Al and inevitable impurity；Described RE is mischmetal, wherein Y:16%, Pr:8%, Nd:6%, La:24%, and surplus is Ce and inevitable impurity；Gained alloy is to be 0.0401 under 0.0487,60Hz under under 20Hz, damped coefficient is 0.0622,40Hz, is 0.0322, is 0.0312 under 100Hz under 80Hz, and wherein the unit of damped coefficient is tan δ；Under room temperature, tensile strength is 269MPa, and yield strength is 218MPa, and percentage elongation is 7.1%.
2. the preparation method of wide-band high damping aluminium alloy described in a claim 1, it is characterised in that comprise the steps:
(1) preparing raw material according to aluminium alloy component described in claim 1, wherein Al and Mg is all with Al ingot and the preparation of Mg ingot forms of purity 99.99%, and other component all prepares with intermediate alloy form；
(2) first the aluminium ingot of 22% ~ 26% is joined in resistance furnace as bed material, resistance furnace 350 ~ 410 DEG C of preheatings of intensification, insulation 5 ~ 15min, is then warmed up to 750 ~ 780 DEG C by resistance furnace, after aluminium ingot all melts rapidly, add magnesium ingot and other intermediate alloy, add remaining aluminium ingot, after treating that furnace charge all melts, electromagnetic agitation 25 ~ 41s, furnace temperature is dropped to 710 ~ 735 DEG C, is incubated 25 ~ 61min；
(3) method of employing fast vacuum suction casting obtains the alloy casting rod of as cast condition, and the described fast vacuum suction casting suction casting time is 2 ~ 5s, a length of 1 ~ 1.25m of alloy casting rod；
(4) putting in induction coil by the alloy casting rod that step (3) obtains, sense heating 3 ~ 6min, the power of induction coil is 1.3 ~ 1.6 kilowatts, is then placed in the quenching liquid of 10 ~ 15 DEG C carrying out Quenching Treatment；
(5) the alloy casting rod after quenching sense in induction coil and be heated to 160 ~ 210 DEG C, after being incubated 15 ~ 20min, air cooling is to room temperature；
(6) by step (5) process after alloy casting rod anneal, described in be annealed in induction coil with 0.8 ~ 1.1 kilowatt heating 1.1 ~ 2.0min, then from induction coil take out after naturally cool to room temperature；
(7) the alloy casting rod after step (6) being processed is placed again in induction coil, senses heating 2 ~ 5min, and the power of induction coil is 1.4 ~ 1.7 kilowatts, is then placed in the hot quenching-in water of 80 ~ 85 DEG C；
(8) the alloy casting rod after quenching being heated in induction coil 160 ~ 210 DEG C, after insulation 16 ~ 28min, air cooling is to room temperature；
(9) by step (8) process after alloy casting rod again anneal, described in be annealed in induction coil with 0.7 ~ 1.0 kilowatt heating 1 ~ 2.5min, then from induction coil take out after naturally cool to room temperature；Obtain wide-band high damping aluminium alloy.
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| CN201410313531.6A CN104046857B (en) | 2014-07-03 | 2014-07-03 | A kind of wide-band high damping aluminium alloy and preparation method thereof |
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| CN104046857B true CN104046857B (en) | 2016-08-17 |
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| 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 |
| 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 |
Citations (4)
| 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 |
| CN101280378A (en) * | 2008-02-27 | 2008-10-08 | 中国科学院长春应用化学研究所 | 20-100Hz frequency range high-damping aluminum-magnesium alloy and preparation thereof |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6902699B2 (en) * | 2002-10-02 | 2005-06-07 | The Boeing Company | Method for preparing cryomilled aluminum alloys and components extruded and forged therefrom |
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Patent Citations (4)
| 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 |
| CN101280378A (en) * | 2008-02-27 | 2008-10-08 | 中国科学院长春应用化学研究所 | 20-100Hz frequency range high-damping aluminum-magnesium alloy and preparation thereof |
| 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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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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