CN104789810B - A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries - Google Patents

A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries Download PDF

Info

Publication number
CN104789810B
CN104789810B CN201510095774.1A CN201510095774A CN104789810B CN 104789810 B CN104789810 B CN 104789810B CN 201510095774 A CN201510095774 A CN 201510095774A CN 104789810 B CN104789810 B CN 104789810B
Authority
CN
China
Prior art keywords
stirring
semi
situ
particle reinforced
composite
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.)
Active
Application number
CN201510095774.1A
Other languages
Chinese (zh)
Other versions
CN104789810A (en
Inventor
闫洪
熊俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG DRAYSON COMPOSITES Co.,Ltd.
Original Assignee
Nanchang University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanchang University filed Critical Nanchang University
Priority to CN201510095774.1A priority Critical patent/CN104789810B/en
Publication of CN104789810A publication Critical patent/CN104789810A/en
Application granted granted Critical
Publication of CN104789810B publication Critical patent/CN104789810B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries, its technique is:The Al Si Cu alloys of 1 ~ 2Kg are put in the crucible in electromagnetic agitation stove and are superheated to 750 ~ 770 DEG C, be incubated 10 ~ 15min, then refining, slagging-off, then keep this temperature-resistant startup electromagnetic agitation, while stirring by K2TiF6Pulvis is dividedly in some parts melt, and this process is completed in 3 ~ 5min, and the time one arrives, and suspends stirring, applies electromagnetic agitation when temperature is down to 635 ~ 625 DEG C again, stops stirring when temperature is down to 570 ~ 560 DEG C.In the microstructure of semisolid that the present invention is obtained, compared with rounding, disperse is suspended in liquid phase α Al phase morphologies, meets semi-solid-state shaping requirement, and easy to operate, pollution-free, is easy to batch to prepare.

Description

A kind of situ Al3The preparation of Ti particle reinforced Al-Si-Cu composite material semi-solid slurries Method
Technical field
The invention belongs to alloy material preparing technical field, and in particular to one kind uses reaction in-situ under the conditions of electromagnetic agitation Prepare Al3The preparation method of Ti particle reinforced Al-Si-Cu composite material semi-solid slurries.
Background technology
Semi-solid state forming technique is a kind of high near-net-shape technology of production efficiency, and it is 21 century first-generation metal to be described as Forming technology.Compared with traditional liquid cast, the amount of machining of semi-solid casting foundry goods is few, and processing temperature is low, solidification shrinkage Rate is little, and tissue and performance are also significantly improved.And the preparation of semi solid slurry is the key of semi-solid-state shaping, its preparation The predominantly organic tool paddling process of method, Isothermal treatment method, electromagnetic stirring method, near liquidus method and ultrasonic vibration method etc..With other Semi solid slurry technology of preparing is compared, and electromagnetic agitating technology prepares semi solid slurry the advantage of uniqueness, and it can be quickly mixing The mode for closing convection current is conducted heat to melt and mass transfer, and has the advantages that not contact, controllability, nonstaining property, to casting Base surface quality, segregation and central pipe shrinkage porosite also have good improvement result, it is most important that it can be easily easily real Now produce more in large quantity, can be promoted in actual applications.And the enhancing phase surface of in-situ synthesized synthesis is pollution-free, with Matrix wetability is good, and interface cohesion firmly, and will not generate harmful reactant, reinforcement need not be carried out synthesizing, be located in advance The operation such as reason and addition.In summary, electromagnetic agitation semi-solid state forming technique is combined with reaction in-situ and can prepares performance Excellent alloy blank, the development for new material technology of preparing is provided a new guide direction by this.
The content of the invention
It is an object of the invention to provide one kind prepares Al with reaction in-situ3Ti particle REINFORCED Al-Si-Cu composites half are solid The preparation method of state slurry.
Preparation technology of the present invention is:Pure potassium fluotitanate pulvis will first be analyzed, and (molecular formula is K2TiF6, purity >= 99.5%) it is dried with standby, the Al-Si-Cu aluminium alloy ingots of 1 ~ 2Kg is put in EMS-SM05 type aluminium alloy electromagnetism rabble furnaces Crucible in be superheated to 750 DEG C ~ 770 DEG C, be incubated 10min ~ 15min, then with carbon trichloride refining, slagging-off, then keep Start electromagnetic mixing apparatus under conditions of this temperature, stirring voltage is 250V ~ 380V, stirring frequency is 30HZ ~ 40HZ, electromagnetism is stirred A certain amount of standby pulvis for aluminium foil being coated with bell jar while mixing at set intervals(K2TiF6The addition of pulvis accounts for Al- The 4% ~ 8% of Si-Cu aluminium alloy melt quality)Melt is pressed in batches, adds K2TiF63min ~ 5min of the process of pulvis in setting Inside complete, the time one arrives, stop stirring immediately, you can Al is obtained3Ti particle REINFORCED Al-Si-Cu composites.Treat that temperature is down to Electromagnetic agitation is applied to melt again when 635 DEG C ~ 625 DEG C, this time stirring is under cooling conditions(Rate of temperature fall is about 0.02 DEG C/S ~0.05℃/S)Carry out, when temperature is down to 570 DEG C ~ 560 DEG C stop stirring, cooling whipping process in can set stirring voltage as 250V ~ 350V, stirring frequency are 30HZ ~ 35HZ, finally can extract in 595 DEG C ~ 575 DEG C this temperature range section quartz ampoules and close Golden liquation rapid water quenching, you can obtain more satisfactory Al3Ti particle reinforced Al-Si-Cu composite material semi-solid slurries.
In the Al-Si-Cu alloys mass percent of Si for 10.5% ~ 11.5%, Cu mass percent be 3.0% ~ 3.5%, balance of Al.
The situ Al that the present invention is obtained3In Ti particle reinforced Al-Si-Cu composite material semi-solids tissue, Al3Ti particles are in Tiny bulk, distribution are also more uniform, and mainly in nearly spherical, little bulk, disperse is suspended in liquid phase Primary α-Al Phase, completely full Sufficient semi-solid-state shaping is required, easy to operate, safe and reliable and pollution-free, is easy to batch to prepare.
Description of the drawings
Fig. 1 is situ Al of the present invention3The XRD of Ti particle reinforced Al-Si-Cu composite material semi-solids tissue Spectrum.
Fig. 2 is the situ Al prepared under the conditions of an embodiment 1 of the invention3Ti particle REINFORCED Al-Si-Cu composites Microstructure of semisolid pattern.
Fig. 3 is the situ Al prepared under the conditions of embodiment of the present invention 23Ti particle REINFORCED Al-Si-Cu composites half are solid State tissue topography.
Specific embodiment
The present invention will be described further by following embodiment.
Fig. 1 is under function composite by electromagnetic stirring, add the standby powder of potassium fluotitanate to prepare situ Al3Ti particle REINFORCED Als- The XRD spectrum of Si-Cu composite material semi-solid states tissue, it is known that its fabricated in situ Al3Ti strengthens particle.
Situ Al described in this embodiment3The semi solid slurry of Ti particle REINFORCED Al-Si-Cu composites, is logical Cross secondary electromagnetic agitation to combine with reaction in-situ preparation.
Embodiment 1.
Pure potassium fluotitanate pulvis will first be analyzed, and (molecular formula is K2TiF6, purity >=99.5%) be dried with standby, by 1Kg's Al-Si-Cu aluminium alloy ingots is put in the crucible in EMS-SM05 type aluminium alloy electromagnetism rabble furnaces and is superheated to 760 DEG C, insulation 10min, mass percent 3.5% of the mass percent of Si for 10.5%, Cu, balance of Al in the Al-Si-Cu alloys.Connect With carbon trichloride refining, slagging-off, then start electromagnetic mixing apparatus under conditions of this temperature is kept, stirring voltage is 250V, stirring frequency are 30HZ, while electromagnetic agitation at set intervals with bell jar by aluminium foil coat it is a certain amount of standby Pulvis(K2TiF6The addition of pulvis accounts for the 6% of Al-Si-Cu aluminium alloy melt quality)Melt is pressed in batches, adds K2TiF6Powder The process of agent is completed in the 3min of setting, and the time one arrives, and stops stirring immediately, you can Al is obtained3Ti particle REINFORCED Al-Si- Cu composites.Electromagnetic agitation is applied to melt again when temperature is down to 625 DEG C, this time stirring is under cooling conditions(Cooling Speed is about 0.04 DEG C/S)Carry out, when temperature is down to 570 DEG C stop stirring, cooling whipping process in set stir voltage as 250V, stirring frequency are 35HZ, extract alloy molten solution rapid water quenching with quartz ampoule, i.e., when last whipping temp is down to 585 DEG C More satisfactory Al is obtained3Ti particle reinforced Al-Si-Cu composite material semi-solid slurries, are shown in accompanying drawing 2.
Embodiment 2.
Pure potassium fluotitanate pulvis will first be analyzed, and (molecular formula is K2TiF6, purity >=99.5%) be dried with standby, by 2Kg's Al-Si-Cu aluminium alloy ingots is put in the crucible in EMS-SM05 type aluminium alloy electromagnetism rabble furnaces and is superheated to 760 DEG C, insulation 10min, in the Al-Si-Cu alloys, the mass percent of Si is 3.5% for the mass percent of 11.0%, Cu, balance of Al. Then with carbon trichloride refining, slagging-off, then electromagnetic mixing apparatus are started under conditions of this temperature is kept, stirring voltage is 250V, stirring frequency are 30HZ, while electromagnetic agitation at set intervals with bell jar by aluminium foil coat it is a certain amount of standby Pulvis(K2TiF6The addition of pulvis accounts for the 6% of Al-Si-Cu aluminium alloy melt quality)Melt is pressed in batches, adds K2TiF6Powder The process of agent is completed in the 3min of setting, and the time one arrives, and stops stirring immediately, you can Al is obtained3Ti particle REINFORCED Al-Si- Cu composites.Electromagnetic agitation is applied to melt again when temperature is down to 625 DEG C, this time stirring is under cooling conditions(Cooling Speed is about 0.04 DEG C/S)Carry out, when temperature is down to 570 DEG C stop stirring, cooling whipping process in set stir voltage as 300V, stirring frequency are 30HZ, extract alloy molten solution rapid water quenching with quartz ampoule, i.e., when last whipping temp is down to 585 DEG C More satisfactory Al is obtained3Ti particle reinforced Al-Si-Cu composite material semi-solid slurries, are shown in accompanying drawing 3.
Embodiment 3
It is overheated in the crucible in EMS-SM05 type aluminium alloy electromagnetism rabble furnaces that the Al-Si-Cu aluminium alloy ingots of 2Kg is put into To 750 DEG C, 15min is incubated, the mass percent of Si for the mass percent of 11.5%, Cu is in the Al-Si-Cu alloys 3.0%, balance of Al.Then with carbon trichloride refining, slagging-off, then start electromagnetic agitation under conditions of this temperature is kept and fill Put, stirring voltage is 380V, and stirring frequency is 40HZ, aluminium foil is coated with bell jar while electromagnetic agitation at set intervals A certain amount of standby pulvis(K2TiF6The addition of pulvis accounts for the 8% of Al-Si-Cu aluminium alloy melt quality)Melt is pressed in batches, Add K2TiF6The process of pulvis is completed in the 5min of setting, and the time one arrives, and stops stirring immediately, you can Al is obtained3Ti particles REINFORCED Al-Si-Cu composites.Apply electromagnetic agitation when temperature is down to 635 DEG C again to melt, this time stirring is in cooling bar Under part(Rate of temperature fall is about 0.05 DEG C/S)Carry out, stop stirring when temperature is down to 560 DEG C, set in cooling whipping process and stir It is 350V to mix voltage, and stirring frequency is 30HZ, extracts alloy molten solution with quartz ampoule simultaneously rapid when last whipping temp is down to 575 DEG C Water quenching, you can obtain more satisfactory Al3Ti particle reinforced Al-Si-Cu composite material semi-solid slurries.
Embodiment 4
It is overheated in the crucible in EMS-SM05 type aluminium alloy electromagnetism rabble furnaces that the Al-Si-Cu aluminium alloy ingots of 2Kg is put into To 770 DEG C, 15min is incubated, then with carbon trichloride refining, slagging-off, then starts electromagnetism under conditions of this temperature is kept and stir Mix device, stirring voltage is 250V, and stirring frequency is 30HZ, at set intervals with bell jar by Aluminium Foil Package while electromagnetic agitation A certain amount of standby pulvis for covering(K2TiF6The addition of pulvis accounts for the 4% of Al-Si-Cu aluminium alloy melt quality)It is pressed in batches molten Body, adds K2TiF6The process of pulvis is completed in the 3min of setting, and the time one arrives, and stops stirring immediately, you can Al is obtained3Ti Particle REINFORCED Al-Si-Cu composites.Electromagnetic agitation is applied to melt again when temperature is down to 625 DEG C, this time stirring is in drop Under the conditions of temperature(Rate of temperature fall is about 0.02 DEG C/S)Carry out, stop stirring when temperature is down to 570 DEG C, set in cooling whipping process Surely it is 300V to stir voltage, and stirring frequency is 30HZ, extracts alloy molten solution simultaneously with quartz ampoule when last whipping temp is down to 595 DEG C Rapid water quenching, you can obtain more satisfactory Al3Ti particle reinforced Al-Si-Cu composite material semi-solid slurries
Al prepared by the present invention is understood from accompanying drawing 1,2,33Ti particle reinforced Al-Si-Cu composite material semi-solids are organized Mainly in nearly spherical, little bulk, disperse is suspended in liquid phase middle Primary α-Al Phase, and average grain size is tiny, fully meets half Solid molding is required, easy to operate, safe and reliable and pollution-free, is easy to batch to prepare.

Claims (4)

1. a kind of situ Al3The preparation method of Ti particle reinforced Al-Si-Cu composite material semi-solid slurries, is characterized in that:By 1 ~ The Al-Si-Cu aluminium alloy ingots of 2Kg is put in the crucible in electromagnetic agitation stove and is superheated to 750 DEG C ~ 770 DEG C, and insulation 10min ~ 15min, then with carbon trichloride refining, slagging-off, then under conditions of this temperature is kept starts electromagnetic mixing apparatus, stirs electricity Press as 250V ~ 380V, stirring frequency is 30Hz ~ 40Hz, is coated aluminium foil with bell jar while electromagnetic agitation at set intervals A certain amount of K2TiF6Pulvis is pressed into melt in batches, adds K2TiF6The process of pulvis is completed in the 3min ~ 5min of setting, Time one arrives, and stops stirring immediately, you can Al is obtained3Ti particle REINFORCED Al-Si-Cu composites;Treat temperature be down to 635 DEG C ~ Apply electromagnetic agitation when 625 DEG C again to melt, this time stirring is carried out under cooling conditions, when temperature is down to 570 DEG C ~ 560 DEG C When stop stirring, cooling whipping process in can set stirring voltage as 250V ~ 350V, stirring frequency be 30Hz ~ 35Hz;It is described In Al-Si-Cu alloys, the mass percent of Si is 3.0% ~ 3.5% for the mass percent of 10.5% ~ 11.5%, Cu, balance of Al.
2. a kind of situ Al according to claim 13The system of Ti particle REINFORCED Al-Si-Cu composite material semi-solid state slurries Preparation Method, is characterized in that K2TiF6The addition of pulvis accounts for the 4% ~ 8% of Al-Si-Cu aluminium alloy melt quality.
3. a kind of situ Al according to claim 13The system of Ti particle REINFORCED Al-Si-Cu composite material semi-solid state slurries Preparation Method, rate of temperature fall when it is characterized in that secondary agitation are 0.02 DEG C/s ~ 0.05 DEG C/s.
4. a kind of situ Al according to claim 13The preparation of Ti particle reinforced Al-Si-Cu composite material semi-solid slurries Method, is characterized in that the K2TiF6Pulvis is dried and is obtained by the pure potassium fluotitanate pulvis of analysis of purity >=99.5%.
CN201510095774.1A 2015-03-04 2015-03-04 A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries Active CN104789810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510095774.1A CN104789810B (en) 2015-03-04 2015-03-04 A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510095774.1A CN104789810B (en) 2015-03-04 2015-03-04 A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries

Publications (2)

Publication Number Publication Date
CN104789810A CN104789810A (en) 2015-07-22
CN104789810B true CN104789810B (en) 2017-04-05

Family

ID=53554999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510095774.1A Active CN104789810B (en) 2015-03-04 2015-03-04 A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries

Country Status (1)

Country Link
CN (1) CN104789810B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107012354B (en) * 2017-04-05 2018-12-14 江苏大学 A kind of preparation method of Al-Si9Cu1 particulate reinforced composite
CN109797318B (en) * 2019-04-01 2021-08-20 重庆大学 Preparation of Al3Method for Ti reinforcing aluminum-based material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO110960B1 (en) * 1995-10-20 1996-05-30 Inst De Metale Neferoase Si Ra Composite materials with metallic matrix preparation process
CN1257296C (en) * 2003-12-19 2006-05-24 上海交通大学 TiB2/Ai high--damp composite material and preparing method thereof
CN102586635B (en) * 2011-12-13 2015-01-28 南昌大学 Preparation method of situ Al2O3-particle reinforced Al-Si-Cu composite material semi-solid slurry
CN104313384B (en) * 2014-09-30 2017-05-24 南昌大学 Preparation method of in-situ Al3Ti intermetallic compound particle reinforced aluminum-based composite material

Also Published As

Publication number Publication date
CN104789810A (en) 2015-07-22

Similar Documents

Publication Publication Date Title
CN103031463B (en) Device and method for preparing nanometer ceramic particle-reinforced aluminum-based composite
CN107460376B (en) A kind of hybrid reinforced aluminum-matrix composite material and preparation method thereof
CN103173663B (en) Preparation method of high-quality Al-Ti-B-Sr master alloy composite refining modifier
CN106086530A (en) The preparation method of a kind of in-situ Al-base composition and device thereof
CN104789810B (en) A kind of situ Al3The preparation method of Ti particle REINFORCED Al Si Cu composite material semi-solid state slurries
CN101514409A (en) A method for preparing in situ MgSi particle reinforced metal matrix composite
CN109385551A (en) A kind of coated with titanium oxide/graphene oxide enhancing preparation method for material of substrate containing magnalium
Yong et al. Rheological behavior of semi-solid Mg2Si/AM60 magnesium matrix composites at steady state
CN101967575B (en) Preparation method of Al5Ti1B intermediate alloy
CN105908020B (en) A kind of preparation method of aluminium composite tungsten material
CN1327013C (en) Fast production of subsphaeroidal crystal tissue semi-solid aluminium alloy
CN105154725B (en) High-end Al-Zr intermediate alloy and industrial preparation method
Cho et al. Al-TiC composites fabricated by a thermally activated reaction process in an Al melt using Al-Ti-C-CuO powder mixtures. Part I: microstructural evolution and reaction mechanism
CN104550888B (en) A kind of method that can produce semi-solid metal slurrg continuously
CN109371276A (en) The method that batch founding prepares graphene enhancing aluminium alloy based nano composite material
CN109182822A (en) A kind of die forging method of 7075 aluminium alloy of high-performance
CN102358922B (en) Light alloy semi-solid slurry preparation device
CN104962772A (en) Method for preparing in-situ Al3Ti particle-reinforced Al-Si-Cu composite material
CN107012354B (en) A kind of preparation method of Al-Si9Cu1 particulate reinforced composite
CN106435232B (en) A kind of preparation method of aluminum-titanium-boron alloy of control TiAl3 particle sizes and distribution of particles
CN107974569A (en) A kind of preparation method of aluminium based composite material enhanced by miscellaneous granules
CN105014044B (en) A kind of refractory metal coating ceramic chip material and preparation method thereof
CN102319890A (en) Method for preparing wrought aluminum alloy semi-solid slurry
CN102294442A (en) Method for preparing fine crystalline grain wrought aluminum alloy semisolid slurry
CN102000808A (en) Magnesium alloy grain refiner and grain refined magnesium alloy and preparation method of thereof

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
EXSB Decision made by sipo to initiate substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201130

Address after: 226002 Jiangsu Province, Nantong city Gangzha District happiness street jiangba village community group 2

Patentee after: NANTONG DRAYSON COMPOSITES Co.,Ltd.

Address before: 999 No. 330000 Jiangxi province Nanchang Honggutan University Avenue

Patentee before: Nanchang University

TR01 Transfer of patent right