CN1257297C - Hybrid reinforced high-damp aluminium base composite material and preparing process thereof - Google Patents
Hybrid reinforced high-damp aluminium base composite material and preparing process thereof Download PDFInfo
- Publication number
- CN1257297C CN1257297C CN 200310122741 CN200310122741A CN1257297C CN 1257297 C CN1257297 C CN 1257297C CN 200310122741 CN200310122741 CN 200310122741 CN 200310122741 A CN200310122741 A CN 200310122741A CN 1257297 C CN1257297 C CN 1257297C
- Authority
- CN
- China
- Prior art keywords
- composite material
- based composite
- melt
- aluminum based
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The present invention relates to a hybrid reinforced high-damping aluminium-based composite material and a preparation process thereof, which belongs to the field of materials. The composite material of the present invention comprises the components by the weight percentage: 0 to 1.3% of Si, 4.5 to 11% of Mg, 0 to 1.5% of Zn, 0 to 0.4% of Mn, 0 to 0.1% of Be, 0.1 to 20% of TiB2 (1 to 10% of TiB2 and 1 to 10% of TiC) and Al as the rest. The material uses a covering agent for covering an aluminium melt and uses a salt reaction method and remelting dilution for preparation, and the preparation steps comprise: after added aluminium ingots are completely melted, the melt is covered by the covering agent, and dried high-damping composite material prefabricated blocks containing TiC granules are added to the melt; after the temperature of the aluminium melt is maintained, dried K2TiF6 and KBF4 mixed salt is added to the aluminium melt and is agitated for reaction, and then the reaction product of the mixed salt is scooped out; Mg, or Si, Mg and Al-Mn, or Mg, Zn and Al-Be are added to the reaction product for adjusting chemical components, and after being made to stand, the melt is poured in an ingot mould to obtain the hybrid reinforced high-damping aluminium-based composite material. The present invention simultaneously increases the damping performance of the composite material and enhances the strength of the composite material and can be directly used for the formation of complex parts.
Description
Technical field
The present invention relates to a specific admixture and strengthen high-damp aluminum based composite material and preparation technology thereof, particularly a kind of in-situ authigenic (TiC, TiB
2)/Al high damping composite material and preparation technology thereof.Belong to the material field.
Background technology
Metal-base composites is widely used in the fields such as Aeronautics and Astronautics, automobile, electronic industry with its good performance.In vibration and some dynamic structure of noise ubiquity, vibration and noise can make electron device lose efficacy, and instrument is malfunctioning, and the component of machine lost of life is in the time of seriously even cause inefficacy, initiation catastrophic effect.Damping material and technology are the effective meanss of control texture resonance and noise, are the research fields of very paying attention in the world.
Find that by literature search Liu Weigao etc. are at " functional materials " 2001,32 (4): " research of high-damp aluminum based composite material " delivered on 440～442, this article has been introduced: prepared high damping 6061Al/SiC by the jacket extrusion process
P/ graphite mixes metal-base composites, utilizes the SiC particle to increase the strength and stiffness of material, utilizes graphite to increase the damping of material.The matrix material damping capacity of method for preparing is up to 11.6 * 10
-3, do not reach the requirement of high damping material; Next utilizes above-mentioned composite material and preparation method thereof to be difficult to the straight forming complicated shape.
Summary of the invention
Purpose of the present invention provides a specific admixture to strengthen high-damp aluminum based composite material and preparation technology thereof at the above-mentioned deficiency of prior art, makes it obtain a kind of in-situ authigenic and contains TiB
2, TiC particulate high-damp aluminum based composite material, and can directly apply to the moulding of complicated shape.
The present invention is achieved by the following technical solutions, and the present invention mixes enhancing high damping cast aluminum base composite material, and its composition weight percent consists of: Si 0～1.3%, and Mg 4.5～11%, and Zn 0～1.5%, and Mn 0～0.4%, and Be 0.05～0.1%, TiB
21～10%, TiC 1～10%, and all the other are Al.
The present invention covers and utilizes reaction salt method and remelting dilution preparation in-situ authigenic (TiC, TiB by insulating covering agent
2)/Al high damping composite material may further comprise the steps:
(1) add aluminium ingot and all melt the back and cover melt with insulating covering agent, and add drying contain TiC particulate high damping composite material prefabricated section;
(2) molten aluminium insulation back adds the K of drying
2TiF
6, KBF
4Mixed salt also stirs;
(3) reaction is scooped out mixed salt reaction product after finishing, and adding Mg or Si, Mg, Al-Mn or Mg, Zn, Al-Be adjust and pour into ingot mould after chemical ingredients leaves standstill, and promptly obtain in-situ authigenic (TiC, TiB
2) mix the enhancing high-damp aluminum based composite material.
In the inventive method, described insulating covering agent is: KCl, NaCl, MgCl
2, MgCl
2KCl, Na
2SiF
6, Na
3AlF
6, NaF, KF.
In the step (1), the aluminium ingot temperature of fusion is between 680 ℃～750C, and prefabricated section adds temperature between 680 ℃～750 ℃, and prefabricated section was 150 ℃～250 ℃ insulation oven dry 2～5 hours.
Mixed salt adds temperature between 680 ℃～900 ℃ in the step (2), and mixed salt was 150 ℃～250 ℃ insulation oven dry 2～5 hours.Stirring velocity is 200～400rpm, and churning time is 10～30min, 680 ℃～900 ℃ of whipping temps.
In the step (3), the melt dwell temperature is 680 ℃～780 ℃, and time of repose is 10～30min.
Technology utilization reaction salt method of the present invention and mixing of remelting dilution preparation strengthen high damping cast aluminum base composite material, in-situ authigenic TiC, TiB
2The particle surface cleaning combines well with the aluminium interface.The TiC particulate adds and to play the non-spontaneous crystallization core, refinement crystal grain, increased the interface damping of material; TiB
2Particulate adds the modulus that has improved matrix material, has increased the hot mispairing strain of particle and matrix, has improved the dislocation damping of material.The present invention mixes the development that strengthens high damping composite material to lay a good foundation.
Embodiment
Provide following examples in conjunction with content of the present invention, the present invention done further understanding:
Embodiment 1
Prepared composition is Mg 11%, TiB
210%, TiC 1%, and all the other are the high damping composite material of Al, and process is as follows:
Aluminium ingot fusing back adds KCl, NaCl, Na
3AlF
6Insulating covering agent covers, thermometric after the fusion, and temperature reaches 750 ℃, and adding is through 2 hours prefabricated section of 250 ℃ of insulation oven dry, and 2 hours K is dried in insulation through 250 ℃ of insulations to 900 ℃ of addings
2TiF
6, KBF
4Mixed salt stirs 10min with whipping appts with the commentaries on classics of the 400rpm speed of stirring, and whipping temp is 900 ℃.Scoop out mixed salt reaction product and add after Mg adjusts chemical ingredients, pour ingot mould through 780 ℃ into after leaving standstill 10min and promptly get in-situ authigenic (TiC, TiB
2) mix the enhancing high-damp aluminum based composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record the damping value Q of prepared high damping composite material by DMTA
-1=8～48 * 10
-3
Embodiment 2
Prepared composition is Si 1.3%, and Mg 4.5%, and Mn 0.4%, TiB
21%, TiC 10%, and all the other are the high damping composite material of Al, and process is as follows:
Aluminium ingot fusing back adds KF, MgCl
2The KCl insulating covering agent covers, thermometric after the fusion, and temperature reaches 725 ℃, and adding is through 3.5 hours prefabricated section of 200 ℃ of insulation oven dry, and 3.5 hours K is dried in insulation through 200 ℃ of insulations to 790 ℃ of addings
2TiF
6, KBF
4Mixed salt stirs 20min with whipping appts with the commentaries on classics of the 300rpm speed of stirring, and whipping temp is 790 ℃.Scoop out mixed salt reaction product and add Si, Mg after the Al-Mn alloy is adjusted chemical ingredients, pours ingot mould through 730 ℃ into after leaving standstill 20min and promptly gets in-situ authigenic (TiC, TiB
2) mix the enhancing high-damp aluminum based composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record the damping value Q of prepared high damping composite material by DMTA
-1=7～46 * 10
-3
Embodiment 3
Prepared composition is Mg 8%, and Zn 1.2%, and Be 0.1%, and TiC 5%, TiB
25%, all the other are the high damping composite material of Al, and process is as follows:
Aluminium ingot fusing back adds MgCl
2, Na
2SiF
6, the NaF insulating covering agent covers, thermometric after the fusion, temperature reaches 680 ℃, add through 5 hours prefabricated section of 150 ℃ of insulation oven dry, insulation to 680 ℃ of addings through 5 hours K of 150 ℃ of insulation oven dry
2TiF
6, KBF
4Mixed salt stirs 30min with whipping appts with the commentaries on classics of the 200rpm speed of stirring, and whipping temp is 680 ℃.Scoop out mixed salt reaction product and add Mg, after Al-Be adjusts chemical ingredients, pour ingot mould through 680 ℃ into after leaving standstill 30min and promptly get in-situ authigenic (TiC, TiB
2) mix the enhancing high-damp aluminum based composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record the damping value Q of prepared high damping composite material by DMTA
-1=8～50 * 10
-3
Embodiment 4
Prepared composition is Mg 5%, and Si 0.8%, and Mn 0.2%, and TiC 4%, TiB
26%, all the other are the high damping composite material of Al, and process is as follows:
Aluminium ingot fusing back adds MgCl
2, Na
2SiF
6, the KF insulating covering agent covers, thermometric after the fusion, temperature reaches 700 ℃, add through 4 hours prefabricated section of 180 ℃ of insulation oven dry, insulation to 750 ℃ of addings through 4 hours K of 180 ℃ of insulation oven dry
2TiF
6, KBF
4Mixed salt stirs 25min with whipping appts with the commentaries on classics of the 280rpm speed of stirring, and whipping temp is 750 ℃.Scoop out mixed salt reaction product and add after Mg, Si, Mn adjust chemical ingredients, pour ingot mould through 720 ℃ into after leaving standstill 25min and promptly get in-situ authigenic (TiC, TiB
2) mix the enhancing high-damp aluminum based composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record the damping value Q of prepared high damping composite material by DMTA
-1=10～52 * 10
-3
Embodiment 5
Prepared composition is Mg 9%, and Zn 1.5%, and Be 0.05%, and TiC 6%, TiB
26%, all the other are the high damping composite material of Al, and process is as follows:
Aluminium ingot fusing back adds NaCl
2, Na
2SiF
6, the NaF insulating covering agent covers, thermometric after the fusion, temperature reaches 710 ℃, add through 5 hours prefabricated section of 150 ℃ of insulation oven dry, insulation to 800 ℃ of addings through 5 hours K of 150 ℃ of insulation oven dry
2TiF
6, KBF
4Mixed salt stirs 30min with whipping appts with the commentaries on classics of the 200rpm speed of stirring, and whipping temp is 800 ℃.Scoop out mixed salt reaction product and add after Mg, Zn, Al-Be adjust chemical ingredients, pour ingot mould through 760 ℃ into after leaving standstill 25min and promptly get in-situ authigenic (TiC, TiB
2) mix the enhancing high-damp aluminum based composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record the damping value Q of prepared high damping composite material by DMTA
-1=8～53 * 10
-3
Claims (6)
1, a specific admixture strengthens high-damp aluminum based composite material, it is characterized in that its composition weight percent consists of, and Si 0～1.3%, and Mg 4.5～11%, and Zn 0～1.5%, and Mn 0～0.4%, and Be 0.05～0.1%, TiB
21～10%, TiC 1～10%, and all the other are Al.
2, a kind of preparation technology who strengthens high-damp aluminum based composite material that mixes according to claim 1 is characterized in that, insulating covering agent covers and utilize reaction salt method and remelting dilution preparation in-situ authigenic TiC, TiB
2Mix the enhancing high-damp aluminum based composite material, may further comprise the steps:
(1) add aluminium ingot and all melt the back and cover melt with insulating covering agent, and add drying contain TiC particulate high damping composite material prefabricated section;
(2) molten aluminium insulation back adds the K of drying
2TiF
6, KBF
4Mixed salt also stirs;
(3) reaction is scooped out mixed salt reaction product after finishing, and adding Mg or Si, Mg, Al-Mn or Mg, Zn, Al-Be adjust chemical ingredients, pour into ingot mould after leaving standstill, and promptly obtain in-situ authigenic TiC, TiB
2Mix the enhancing high-damp aluminum based composite material.
3, the preparation technology who strengthens high-damp aluminum based composite material that mixes according to claim 2 is characterized in that described insulating covering agent is: KCl, NaCl, MgCl
2, MgCl
2KCl, Na
2SiF
6, Na
3AlF
6, NaF, KF.
4, the preparation technology who strengthens high-damp aluminum based composite material that mixes according to claim 2, it is characterized in that, in the step (1), the aluminium ingot temperature of fusion is between 680 ℃～750 ℃, prefabricated section adds temperature between 680 ℃～750 ℃, and prefabricated section was 150 ℃～250 ℃ insulation oven dry 2～5 hours.
5, the preparation technology who strengthens high-damp aluminum based composite material that mixes according to claim 2, it is characterized in that, in the step (2), mixed salt adds temperature between 680 ℃～900 ℃, mixed salt was 150 ℃～250 ℃ insulation oven dry 2～5 hours, stirring velocity is 200～400rpm, and churning time is 10～30min, 680 ℃～900 ℃ of whipping temps.
6, the preparation technology who strengthens high-damp aluminum based composite material that mixes according to claim 2 is characterized in that, in the step (3), the melt dwell temperature is 680 ℃～780 ℃, and time of repose is 10～30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122741 CN1257297C (en) | 2003-12-19 | 2003-12-19 | Hybrid reinforced high-damp aluminium base composite material and preparing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122741 CN1257297C (en) | 2003-12-19 | 2003-12-19 | Hybrid reinforced high-damp aluminium base composite material and preparing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1552932A CN1552932A (en) | 2004-12-08 |
| CN1257297C true CN1257297C (en) | 2006-05-24 |
Family
ID=34338731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310122741 Expired - Fee Related CN1257297C (en) | 2003-12-19 | 2003-12-19 | Hybrid reinforced high-damp aluminium base composite material and preparing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1257297C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327019C (en) * | 2005-07-28 | 2007-07-18 | 上海交通大学 | Method for preparing aluminum based composite material enhanced by granules in situ |
| CN1318623C (en) * | 2005-09-22 | 2007-05-30 | 上海交通大学 | Prepn process of in-situ grain reinforced anticorrosive cast alumium-base composite material |
| CN1312306C (en) * | 2005-09-22 | 2007-04-25 | 上海交通大学 | In-situ grain reinforced anticorrosive cast composite aluminium-base material |
| CN101649408B (en) * | 2009-09-09 | 2011-05-25 | 西北工业大学 | Method for preparing Mg-Si high damping alloy |
| CN104372208B (en) * | 2014-10-28 | 2019-03-29 | 赵遵成 | A kind of endogenetic particle hybrid reinforced aluminum-matrix composite material and preparation method thereof |
| CN104651646B (en) * | 2015-02-09 | 2016-11-30 | 江苏华企铝业科技股份有限公司 | A kind of Al-Ti-B alloy using multifrequency induction furnace to produce and production technology thereof |
| CN105714157A (en) * | 2016-04-01 | 2016-06-29 | 蚌埠市莱特汽车配件有限公司 | Aluminum alloy material for producing shell of air filter of automobile |
| CN111112873A (en) * | 2019-12-31 | 2020-05-08 | 上海交通大学 | Aluminum alloy welding wire containing TiC and AlN hybrid particles and preparation method thereof |
-
2003
- 2003-12-19 CN CN 200310122741 patent/CN1257297C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1552932A (en) | 2004-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100404715C (en) | Hybrid particles reinforced aluminium-based composite material and preparation method thereof | |
| Panwar et al. | Fabrication methods of particulate reinforced Aluminium metal matrix composite-A review | |
| CN1081675C (en) | TiB2 particulate ceramic reinforced Al-alloy metal-matrix composites | |
| CN1317411C (en) | Nano granule reinforced high-tough cast magnesium alloy and its preparing and shaping process | |
| Lin et al. | Effects of Mg content on microstructure and mechanical properties of SiCp/Al-Mg composites fabricated by semi-solid stirring technique | |
| CN100436615C (en) | Aluminum-titanium-carbon-yttrium intermediate alloy and preparing method thereof | |
| CN101748306B (en) | Multiphase ceramic hybrid composite reinforced metal matrix composite material and preparation process thereof | |
| CN1257297C (en) | Hybrid reinforced high-damp aluminium base composite material and preparing process thereof | |
| Li et al. | Microstructure of in situ Al3Ti/6351Al composites fabricated with electromagnetic stirring and fluxes | |
| Subrahmanyam et al. | Effect of rice husk ash and fly ash reinforcements on microstructure and mechanical properties of aluminium alloy (AlSi10Mg) matrix composites | |
| CN105568034A (en) | Granular mixed reinforced aluminum-based composite material and method for preparing same | |
| CN104911416A (en) | In-situ particle mixed reinforced aluminum-based composite material and preparation method thereof | |
| CN1257296C (en) | TiB2/Ai high--damp composite material and preparing method thereof | |
| CN106756264A (en) | A kind of aluminum matrix composite, its preparation method and its application | |
| CN100443605C (en) | Preparation method of granule-mixed reinforced aluminium-based composite material | |
| CN1266297C (en) | In-situ synthesized TiC-AI composite ultra-fine grain refining agent and process for preparing same | |
| CN101967575A (en) | Preparation method of Al5Ti1B intermediate alloy | |
| CN1727506A (en) | Method for preparing aluminium based composite material enhanced by miscellaneous granules in situ | |
| Gobalakrishnan et al. | Mechanical properties of Al 6061/TiB2 in-situ formed metal matrix composites | |
| CN1073636C (en) | Aluminium-bath self-overgrowth reaction process | |
| CN1256455C (en) | TiC/AI high-damp composite material and preparing method thereof | |
| CN1182063A (en) | Preparation of ceramic grain reinforced aluminium-based composite material | |
| CN1097472A (en) | The production technique of aluminium-titanium-boron master alloy | |
| CN1492066A (en) | Composite material for automobile brake disc and its preparing method | |
| CN1077672C (en) | Particle-reinforced aluminum-base wear-resisting pipe and its production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |