CN1256455C - TiC/AI high-damp composite material and preparing method thereof - Google Patents
TiC/AI high-damp composite material and preparing method thereof Download PDFInfo
- Publication number
- CN1256455C CN1256455C CN 200310122740 CN200310122740A CN1256455C CN 1256455 C CN1256455 C CN 1256455C CN 200310122740 CN200310122740 CN 200310122740 CN 200310122740 A CN200310122740 A CN 200310122740A CN 1256455 C CN1256455 C CN 1256455C
- Authority
- CN
- China
- Prior art keywords
- composite material
- tic
- high damping
- damping composite
- melt
- 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 high-damping TiC/Al composite material and a preparation technology thereof, which belongs to the field of materials. The composite material of the present invention comprises the components by the weight percentage: 4 to 5.3% of Cu, 0.15 to 0.35% of Ti, 0.3 to 1% of Mn, 0 to 0.25% of Cd, 0 to 0.3% of V, 0 to 0.2% of Zr, 0 to 0.06% of B, 0.1 to 20% of TiC and Al as the rest. The technology of the present invention comprises the following procedures: prefabricated blocks of the high-damping composite material containing TiC particles are synthesized by a high-temperature vacuum reaction sintering method; after aluminium ingots are added to the prefabricated blocks for complete melt, a melt is covered by a covering agent, and the dried prefabricated blocks of the high-damping composite material are added to the melt; after the prefabricated blocks are completely melted, the melt is agitated, and Cu, Ti and Mn, or Cu, Ti, Mn and Cd, or Cu, Ti, Mn, Cd, V, Zr and B are added to the melt for adjusting chemical compositions; after being made to stand, the melt is poured in an ingot mould to obtain the in-situ synthesis high-damping TiC/Al composite material. The room-temperature damping of the present invention can reach the range of a high-damping material, the room-temperature tensile strength is obviously enhanced, and the present invention lies a favorable foundation for developing structural-functional materials.
Description
Technical field
The present invention relates to a kind of high damping composite material and preparation technology thereof, particularly a kind of TiC/Al high damping composite material and preparation technology thereof.Belong to the material field.
Background technology
Metal-base composites is compared with traditional metal materials, has high specific strength, specific rigidity, good wear resistance, premium propertiess such as low-expansion coefficient, so metal-base composites is considered to have application potential preferably.Need strict its vibration of control and noise for some dynamic structure in the fields such as Aeronautics and Astronautics, automobile, electronic industry, this just has higher requirement to the damping capacity of material, rocket and satellite failure analysis statistics shows, has 2/3rds fault relevant with vibration and noise approximately.Damping material and technology are the effective meanss of control texture resonance and noise, and damping material is the basis and the core of damping, is the research field of very paying attention in the world.
The damping capacity of metallic substance and intensity are a pair of paradox, promptly can reduce the intensity of material when improving damping.Find by literature search: journey and method etc. are at " mining metallurgical engineering " 2002,22 (2): " damping capacity of Gr/Al matrix material " delivered on 103～106, this article has been introduced and has been adopted the pressurization infiltration process to prepare the Gr/Al matrix material, matrix material by this method preparation, its damping capacity has been issued to the requirement of high damping material in certain test condition, but the adding of graphite granule is very little to improving strength of materials contribution, well effective combination of implementation structure-functional materials.
Summary of the invention
Purpose of the present invention is at the above-mentioned deficiency of prior art, a kind of TiC/Al high damping composite material and preparation technology thereof are provided, make it obtain a kind of in-situ authigenic and contain TiC particulate high strength, high-damp aluminum based composite material, for further development structure-functional materials lays the foundation.
The present invention is achieved by the following technical solutions, in-situ authigenic TiC/Al high damping composite material of the present invention, its composition weight percent consists of, Cu4～5.3%, Ti0.15～0.35%, Mn0.3～1%, Cd0～0.25%, V0～0.3%, Zr0～0.2%, B0～0.06%, TiC0.1～20% wherein, all the other are Al.
The present invention is by insulating covering agent aluminium coating melt and utilize stirring casting and remelting dilution preparation in-situ authigenic TiC/Al high damping composite material, may further comprise the steps:
(1) utilizes the synthetic TiC particulate high damping composite material prefabricated section that contains of high-temperature vacuum reaction sintering;
(2) add aluminium ingot and all melt back insulating covering agent covering melt, and add the high damping composite material prefabricated section of drying;
(3) prefabricated section all stirs after the fusing;
(4) adding Cu, Ti, Mn or Cu, Ti, Mn, Cd or Cu, Ti, Mn, Cd, V, Zr, B adjust chemical ingredients, pour into ingot mould after leaving standstill, and promptly obtain in-situ authigenic TiC/Al high damping composite material.
In the inventive method, described insulating covering agent comprises: KCl, NaCl, MgCl
2, MgCl
2KCl, Na
2SiF
6, Na
3AlF
6, NaF, KF.
In the step (2), the aluminium ingot temperature of fusion is between 680 ℃～750 ℃, and prefabricated section adds temperature between 680 ℃～900 ℃, and prefabricated section was 150 ℃～250 ℃ insulation oven dry 2～5 hours.
In the step (3), stirring velocity is 200～400rpm, and churning time is 10～30min, 680 ℃～900 ℃ of whipping temps.
In the step (4), the melt dwell temperature is 680 ℃～780 ℃, and time of repose is 10～30min.
The high damping composite material of technology utilization stirring casting of the present invention and remelting dilution preparation, in-situ authigenic TiC particle and Al have good coherence effect, and effective crystal grain thinning; Its room temperature damping value has reached the high damping material category, and its normal temperature tensile strength is significantly improved, for further development structure-functional materials is had laid 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 Cu5.3%, Ti0.15%, and Mn0.3%, Cd0.25%, V0.3%, Zr0.2%, B0.06%, TiC0.1% wherein, all the other are the high damping composite material of Al, process is as follows:
Aluminium ingot fusing back adds KCl, NaCl, Na
3AlF
6Insulating covering agent covers, and melt temperature reaches 900 ℃, adds through 2 hours high damping composite material prefabricated section of 250 ℃ of insulation oven dry, and prefabricated section all melts the back and stirs 10min with whipping appts with the commentaries on classics of the 400rpm speed of stirring, and whipping temp is 900 ℃.Add Cu, Al-Ti, Al-Mn, Cd, V, Zr after B adjusts chemical ingredients, pours ingot mould through 780 ℃ into after leaving standstill 10min and promptly gets the TiC/Al high damping composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record prepared in-situ authigenic TiC/Al high damping composite material damping value Q by DMTA
-1=9 * 10
3～50 * 10
-3The normal temperature tensile strength is 440～500MPa.
Embodiment 2
Prepared composition is Cu4.8%, Ti0.35%, and Mn1%, TiC10% wherein, all the other are the high damping composite material of Al, process is as follows:
Aluminium ingot fusing back adds KF, MgCl
2The KCl insulating covering agent covers, and melt temperature reaches 790 ℃, adds through 3.5 hours high damping composite material prefabricated section of 200 ℃ of insulation oven dry, and prefabricated section all melts the back and stirs 20min with whipping appts with the commentaries on classics of the 300rpm speed of stirring, and whipping temp is 790 ℃.Add Cu, Al-Ti 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/Al high damping 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=9 * 10
-3～48 * 10
-3The normal temperature tensile strength is 460～550MPa.
Embodiment 3
Prepared composition is Cu4%, Ti0.2%, and Mn0.6%, TiC20% wherein, all the other are the high damping composite material of Al, process is as follows:
Aluminium ingot fusing back adds MgCl
2, Na
2SiF
6, the NaF insulating covering agent covers, melt temperature reaches 680 ℃, adds through 5 hours high damping composite material prefabricated section of 150 ℃ of insulation oven dry, prefabricated section all melts the back and stirs speed stirring 30min with whipping appts with the commentaries on classics of 200rpm, whipping temp is 680 ℃.Add Cu, Al-Ti after the Al-Mn alloy is adjusted chemical ingredients, pours ingot mould through 680 ℃ into after leaving standstill 30min and promptly gets the TiC/Al high damping 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 * 10
-3～49 * 10
-3The normal temperature tensile strength is 480～550MPa.
Embodiment 4
Prepared composition is Cu5%, Ti0.2%, and Mn0.4%, Cd0.15%, V0.15%, Zr0..1%, B0.03%, TiC15% wherein, all the other are the high damping composite material of Al, process is as follows:
Aluminium ingot fusing back adds KCl, NaCl, MgCl
2Insulating covering agent covers, and melt temperature reaches 800 ℃, adds through 2 hours high damping composite material prefabricated section of 250 ℃ of insulation oven dry, and prefabricated section all melts the back and stirs 10min with whipping appts with the commentaries on classics of the 400rpm speed of stirring, and whipping temp is 800 ℃.Add Cu, Al-Ti, Al-Mn, Cd, V, Zr after B adjusts chemical ingredients, pours ingot mould through 730 ℃ into after leaving standstill 15min and promptly gets the TiC/Al high damping composite material.The gained matrix material is cut into the damping sample of 50mm * 5mm * 1mm, record prepared in-situ authigenic TiC/Al high damping composite material damping value Q by DMTA
-1=8 * 10
-3～53 * 10
-3The normal temperature tensile strength is 440～530MPa.
Claims (6)
1, a kind of TiC/Al high damping composite material is characterized in that, its composition weight percent consists of: Cu 4～5.3%, and Ti 0.15～0.35%, Mn 0.3～1%, and Cd 0～0.25%, and V 0～0.3%, and Zr 0～0.2%, B 0～0.06%, and wherein TiC 0.1～20%, and all the other are Al.
2, a kind of preparation technology of TiC/Al high damping composite material according to claim 1 is characterized in that, by insulating covering agent aluminium coating melt and utilize stirring casting and remelting dilution preparation in-situ authigenic TiC/Al high damping composite material, may further comprise the steps:
(1) utilizes the synthetic TiC particulate high damping composite material prefabricated section that contains of high-temperature vacuum reaction sintering;
(2) cover melt with insulating covering agent after the adding aluminium ingot all melts, and add the high damping composite material prefabricated section of drying;
(3) prefabricated section all stirs after the fusing;
(4) adding Cu, Ti, Mn or Cu, Ti, Mn, Cd or Cu, Ti, Mn, Cd, V, Zr, B adjust chemical ingredients, pour into ingot mould after leaving standstill, and promptly obtain in-situ authigenic TiC/Al high damping composite material.
3, the preparation technology of TiC/Al high damping composite material according to claim 2 is characterized in that, described insulating covering agent comprises: KCl, NaCl, MgCl
2, MgCl
2KCl, Na
2SiF
6, Na
3AlF
6, NaF, KF.
4, the preparation technology of TiC/Al high damping composite material according to claim 2, it is characterized in that in the step (2), the aluminium ingot temperature of fusion is between 680 ℃～750 ℃, prefabricated section adds temperature between 680 ℃～900 ℃, and prefabricated section was 150 ℃～250 ℃ insulation oven dry 2～5 hours.
5, in-situ authigenic TiC/Al high damping composite material preparation technology according to claim 2 is characterized in that, in the step (3), stirring velocity is 200～400rpm, and churning time is 10～30min, 680 ℃～900 ℃ of whipping temps.
6, the preparation technology of TiC/Al high damping composite material according to claim 2 is characterized in that, in the step (4), 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 200310122740 CN1256455C (en) | 2003-12-19 | 2003-12-19 | TiC/AI high-damp composite material and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122740 CN1256455C (en) | 2003-12-19 | 2003-12-19 | TiC/AI high-damp composite material and preparing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1552931A CN1552931A (en) | 2004-12-08 |
| CN1256455C true CN1256455C (en) | 2006-05-17 |
Family
ID=34338730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310122740 Expired - Fee Related CN1256455C (en) | 2003-12-19 | 2003-12-19 | TiC/AI high-damp composite material and preparing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1256455C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956106A (en) * | 2010-10-15 | 2011-01-26 | 镇江忆诺唯记忆合金有限公司 | Method for improving Al-Cu-Mn-Ti alloy thermal fatigue property by adding Ce |
| 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 |
| WO2018142141A1 (en) | 2017-02-01 | 2018-08-09 | Brunel University London | Methods and process to improve the mechanical properties of cast aluminium alloys at ambient temperature and at elevated temperatures |
-
2003
- 2003-12-19 CN CN 200310122740 patent/CN1256455C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1552931A (en) | 2004-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Soltani et al. | Stir casting process for manufacture of Al–SiC composites | |
| CN1317411C (en) | Nano granule reinforced high-tough cast magnesium alloy and its preparing and shaping process | |
| Li et al. | Microstructure of in situ Al3Ti/6351Al composites fabricated with electromagnetic stirring and fluxes | |
| Rashad et al. | Room temperature mechanical properties of Mg–Cu–Al alloys synthesized using powder metallurgy method | |
| CA2500775C (en) | Improved aluminum alloy-boron carbide composite material | |
| CN101054638A (en) | Aluminum-titanium-carbon-yttrium intermediate alloy and preparing method thereof | |
| Qian et al. | Microstructure and properties of 6111Al matrix composites reinforced by the cooperation of in situ ZrB2 particles and Y | |
| Dobrzański et al. | Influence of the crystallization condition on Al-Si-Cu casting alloys structure | |
| Qian et al. | Synergistic reinforcement of in situ (ZrB2+ TiB2) particles and Er on microstructure and properties of 6082Al matrix composites | |
| CN1257296C (en) | TiB2/Ai high--damp composite material and preparing method thereof | |
| CN1256455C (en) | TiC/AI high-damp composite material and preparing method thereof | |
| CN1151295C (en) | Method for adding particles to slurry in preparing particle reinforced Al-base composition by liquid state method | |
| CN1257297C (en) | Hybrid reinforced high-damp aluminium base composite material and preparing process thereof | |
| Himmler et al. | Formation kinetics and phase stability of in-situ Al3Ti particles in aluminium casting alloys with varying Si content | |
| CN1266297C (en) | In-situ synthesized TiC-AI composite ultra-fine grain refining agent and process for preparing same | |
| Liu et al. | The intermetallic formation in the extruded AlSi20/8009 aluminum alloy during annealing treatment | |
| Huang et al. | Thixotropic deformation behavior, rapid spheroidization and solid-liquid homogenization of semi-solid Al0. 8Co0. 5Cr1. 5CuFeNi HEA with multilevel microstructure | |
| Li et al. | Effect of TiC on microstructure and strength of Al-Bi-Cu alloys | |
| Ochuokpa et al. | Production and wear optimization of an MSSA-reinforced Al–Si–Mg composite: A Taguchi approach | |
| Karimi et al. | Synthesis and characterization of Sn–Cu/SiO2 (np) lead-free nanocomposite solder through angular accumulative extrusion | |
| CN110578075A (en) | High-performance homogeneous aluminum-bismuth immiscible alloy and preparation method thereof | |
| CN1289702C (en) | Technique for preparing boron nitride/aluminum base composite material | |
| CN1298879C (en) | Process of preparing composite material with in situ particle inhancing magnesium base | |
| Pujar et al. | Study of mechanical properties and microstructure of aluminium alloy reinforced with TiB 2, by in situ technique | |
| CA2247654A1 (en) | High-strength, high-damping metal material and method of making the same |
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 |