CN102031429B - High-Fe-V-Si heat-resistant aluminum alloy material and preparation method thereof - Google Patents
High-Fe-V-Si heat-resistant aluminum alloy material and preparation method thereof Download PDFInfo
- Publication number
- CN102031429B CN102031429B CN 201010610720 CN201010610720A CN102031429B CN 102031429 B CN102031429 B CN 102031429B CN 201010610720 CN201010610720 CN 201010610720 CN 201010610720 A CN201010610720 A CN 201010610720A CN 102031429 B CN102031429 B CN 102031429B
- Authority
- CN
- China
- Prior art keywords
- extrusion
- aluminium
- alloy
- parameter
- speed
- 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
Images
Landscapes
- Extrusion Of Metal (AREA)
Abstract
The invention belongs to the fields of a metal alloy and a preparation technology, in particular to a high-Fe-V-Si heat-resistant aluminum alloy material and a preparation method thereof. The material is prepared from the following components in percentage by weight: 13.00-15.00 percent of Fe, 1.35-2.45 percent of V, 2.35-3.45 percent of Si, 0.35-0.65 percent of Mn, 0.1-0.2 percent of Ce, 0.05-0.15 percent of Zr and the balance of Al. The preparation method comprises the following steps of: (1) designing the contents and accurately proportioning; (2) smelting, covering and refining; (3) jetting, depositing and preparing; and (4) extruding and processing. The high-Fe-V-Si heat-resistant aluminum alloy material manufactured by adopting the material of the invention and using the preparation method has the advantages of high iron-based compound volume fraction, high tissue compactness and small tissue and is beneficial to improving the subsequent forming processing property and improving the mechanical performance.
Description
Technical field
The invention belongs to metal alloy and preparing technical field thereof, relate to a kind of high ferrovanadium silicon heat-resistant aluminium alloy material and preparation method thereof.
Background technology
The heat-resisting high ferro-aluminium of rapid solidification, its disperse phase such as Al
12(Fe, V)
3The Si size is tiny to be in nanometer scale and volume(tric)fraction up to 20%～40%, and α-Al crystal grain is in sub-micrometer scale, and organizing of this height refinement also has high thermostability.Thereby; The high iron alloy of rapid solidification has excellent high-temperature behavior; Be instead of titanium alloy, steel, can be used for making at the advanced aluminium alloy of 285 ℃～350 ℃ of steady operations like hot-end component and structural parts such as aircraft blade, helicopter screw propeller, engine impellers.The high ferrovanadium silicon series heat resistant aluminium alloy that has come into operation is at present all produced through rapid solidification/powder metallurgy (RS/PM) technology, and its setting rate reaches 10
3～10
51/s, the Fe-base compound of preparation is mutually tiny, disperse and volume(tric)fraction high, and is very useful to the forming process and the resistance toheat of alloy.But this technology exists complicated process of preparation, manufacturing cycle to grow up to this height; And in formed product, the oxygen level in the material is wayward, high temperature sintering also can lose tiny rapid solidification tissue, the large size blank prepares shortcomings such as difficulty, has limited the range of application of this advanced alloy.
Spray forming technology is the nineties in 20th century of a kind of advanced person's of getting up of large-scale development a rapid solidification base technology in the world, and setting rate reaches 10
3The 1/s magnitude can directly be produced the large size blank with rapid solidification tissue signature from liquid metal, and can effectively shorten the material preparation process flow process, has avoided the deficiency of rapid solidification/powder metallurgy (RS/PM) technology, and development in recent years very rapidly.
At present; The existing both at home and abroad report that adopts reaction-injection moulding method trial-production Al-Fe-V-Si heat-resisting aluminium alloy is studied the spray deposition processing parameter, and the heat pressing process of deposition blank is explored; Tissue to material is analyzed; And the performance of heterogeneity material compared, but these researchs all are confined to the material system of original rapid solidification/powder metallurgy (RS/PM) technology, as 8009,8019,8022, the imitated Journal of Sex Research of CU78, CZ42, FVS0812, FVS1212 etc.; The high iron compound volume(tric)fraction less than 20～35% of preparation, density less than 95%.Obviously, these researchs do not break through the material system of rapid solidification/powder metallurgy (RS/PM) technology, do not have to set up material system and the preparation technology's characteristics based on the spray deposition blank-making technical characterstic.
Chinese patent CN1718804 has announced a kind of in-situ formation of TiC REINFORCED Al-Fe-V-Si series heat resistant aluminium alloy material and preparation method thereof, is based on to increase on the 8009 duraluminum bases to form a kind of jet deposition heat-resisting aluminium alloy of TiC enhanced; Chinese patent CN1614060 has announced the preparation method of heat-resisting aluminium alloy, is based on the 8009 duraluminum bases a kind of heat-resisting aluminium alloy that in the jet deposition atomizing gas, adds less than the powder of the alloying constituent of the same race of 43 μ m.Obviously, these two patented technologies are based on 8009 aluminum-systems, and existing increases technical difficulty and the complicacy that forms the TiC wild phase, adds the alloying constituent powder of the same race of 43 μ m in the mill.Chinese patent CN1718808 has announced that high strength heat resistant alloy is based on weight percent (wt%) and is: Si6.5～17.5, Cu2.5～5.0, Ni1.0～3.0, Mn0.4～1.0, Mg0.4～1.2, Ti0.1～1.0, B0.02～0.2, Zr0.1～1.0, Cd0.1～0.6, P0.005～0.05, all the other are aluminium; Si/Mg is 10～20, and Cu/Mg is 4～13 casting alloy.Obviously; This patented technology adopts the cast form technology; Be different from powder metallurgic method and spray deposition, do not belong to same alloy system, also exist the mechanical property of goods not high, microtexture is thick, heat-resisting phase volume fraction and the not high technical problem of density.
European patent (net) US4867806 (A) has announced that the method for a kind of heat-resistance high-strength degree duraluminum and manufacturing goods is based on the heat-resisting aluminium alloy that Fe, Cu, Si, Co and Al constitute, like 8.0～30.0%Si, and 2.0～33.0%Fe; 0.8～7.5%Cu; 0.3～3.5%Mg; 0.5～5.0%Mn and 0.5～3.0%Co; European patent (net) JP8134575 (A) has announced that the method for a kind of heat-resistance high-strength degree duraluminum and manufacturing goods is based on the heat-resisting aluminium alloy that Fe, Ti, Si and Al constitute; Like 4～6.8%Fe; 0.5～1.2%Ti; 1.5～2.5%Si, 0.1～2.5%Mg and Al, best 5.6≤Fe/Ti≤8.0.Two patented technologies all are to adopt powder hot-pressing, extruding and forging and molding, do not belong to same alloy system.Obviously, all there is the deficiency of powder metallurgy manufacturing technology in this two patented technology.
Summary of the invention
Technical scheme of the present invention is problem or the deficiency that exists in the prior art in order to overcome; And a kind of high ferrovanadium silicon heat-resistant aluminium alloy material and preparation method thereof has been proposed; Simplified manufacturing technique adopts new alloying constituent System Design, directly carries out jet deposition preparation and extrusion forming technology manufacturing.
Technical scheme of the present invention:
A kind of high ferrovanadium silicon heat-resistant aluminium alloy material, each compositions in weight percentage of this material is:
Fe:13.00%～15.00%; V:1.35%～2.45%; Si:2.35%～3.45%; Mn:0.35%～0.65%; Ce:0.1-0.2%; Zr:0.05%～0.15%; Al: surplus.
The concrete steps of this preparation methods are following:
The first step: composition design and accurate dosing:
Each compositions in weight percentage of composition design is Fe:13.00%～15.00%; V:1.35%～2.45%; Si:2.35%～3.45%; Mn:0.35%～0.65%; Ce:0.1-0.2%; Zr:0.05%～0.15%; Surplus is Al; Accurate dosing adopts ferro-aluminum, aluminium vanadium, aluminium silicon, aluminium manganese, aluminium zirconium, aluminium cerium master alloy and fine aluminium furnace charge according to alloy of the present invention, carries out quantitative ingredient;
Second step: melting, covering and refining:
Adopt the melting of intermediate frequency electromagnetic induction furnace, iron, vanadium, silicon, manganese, zirconium, cerium add with the aluminium intermediate alloy form during melting, can together add; After the fusing, aluminium liquid surface should in time be added the insulating covering agent protection and avoid oxidization burning loss; The adjustment temperature of aluminum liquid is 1000 ℃～1100 ℃, carries out refining treatment;
5%KCl+25%NaCl+70%CaCl is adopted in the adding of insulating covering agent
2The insulating covering agent of combination, the insulating covering agent that also can adopt 40-60%MgCl+40-60%KCl to make up, its add-on is the 2%-5% of total furnace charge amount; When shove charge, add respectively, and in melting and casting process, add, exposed to avoid liquid metal;
Refining treatment, adjustment temperature of aluminum liquid to 1000 ℃～1100 ℃ adds 2～6% Sesquichloratum flux, to alloy liquid stir, purifying treatment, to remove foreign material, slag thing and gas in the alloy; After the refining, leave standstill and prepare cast behind 10～15min;
The 3rd step: jet deposition preparation:
After in the frequency smelting stove, carrying out alloy melting, covering, degasification and purifying treatment, the adjustment temperature of aluminum liquid is 950 ℃～1100 ℃ and prepares cast; Aluminium liquid is imported to dominant discharge in funnel and the water conservancy diversion mouth; Get into spray deposition in the jet deposition spraying gun; Produce the high speed semi-solid state sputter stream of high atomisation; High-speed sputtering deposits on the receiving equipment of chassis, through the downward translational speed in chassis, speed of rotation and with the coupling of the pivot angle of spraying gun, be prepared into the circular ingot blank of different diameter size;
Metal diversion pouring parameter:
Teeming temperature: 950 ℃～1200 ℃
Metal flow: 6～8Kg/min (adopting water conservancy diversion mouth diameter phi 5～5.5)
The jet deposition parameter:
Sweep velocity: 20.9～23.3Hz;
Nitrogen gas flow: 21～24Nm
3/ min;
Nitrogen pressure: 8.5～9.5atm;
Jetting height: 670～730mm;
Deposit preform receives parameter:
Receive chassis speed of rotation: 2.78～3.16r/s;
Receive chassis translational speed: 0.57～0.70mm/s;
The 4th step: extrusion processing:
The extrusion billet that cutting stock become to require is heated to extrusion temperature, and the insulation certain hour is sent in the extrusion machine, extruding drift, container and or the mandrel acting in conjunction under, but extrusion molding rod base or pipe material;
The heat tracing parameter: confirm that according to aluminium alloy extruded goods soaking time rule confirms, promptly 1. during extrusion billet diameter phi≤50mm, soaking time τ=1.5 φ (min); 2. during extrusion billet diameter phi>=100mm, soaking time τ=2d (min); 3. the extrusion billet diameter phi is when 50～100mm, soaking time τ=1.5 φ+0.01 (φ-50) φ (min);
Squeezing parameter:
Extrusion ratio: 10～17;
Extrusion speed: 1.2～1.5m/min;
Extrusion temperature: 400～550 ℃;
Preferable alloy diversion pouring parameter in the described jet deposition is:
Teeming temperature: 1050～1150 ℃
Metal flow: 6.5～7Kg/min;
The jet deposition parameter:
Sweep velocity: 22.3～23.3Hz;
Nitrogen gas flow: 23～24Nm
3/ min;
Nitrogen pressure: 9.0～9.5atm;
Jetting height: 700～720mm;
Deposit preform receives parameter:
Receive chassis speed of rotation: 2.78～3.16r/s;
Receive chassis translational speed: 0.60～0.65mm/s.
Preferred squeezing parameter is in the described extrusion processing:
Extrusion ratio: 15～17;
Extrusion speed: 1.3～1.4m/min;
Extrusion temperature: 430～480 ℃.
Beneficial effect of the present invention: adopt the high ferrovanadium silicon heat-resistant aluminium alloy material of material of the present invention and preparing method's manufacturing to have high Fe-base compound volume(tric)fraction, high dense structure's degree and organize tiny characteristics, and will improve follow-up forming process property and improve mechanical property useful.Avoid the preparation cycle of rapid solidification/powder metallurgy (RS/PM) technology long, cost is high and the characteristics that are subject to oxygen contamination; The deficiency that material density is not high, volume(tric)fraction is little that is superior to existing spray deposition technique preparation.
One of high ferrovanadium silicon heat-resistant aluminium alloy material characteristics of the present invention are to adopt new multicomponent alloy composition, provide safeguard for obtaining high Fe-base compound volume(tric)fraction; Two of high ferrovanadium silicon heat-resistant aluminium alloy material technology of preparing characteristics are to adopt the jet deposition ME, and through fabrication process parameters optimization, organizing of preparation is tiny, density is high, the material of manufacturing can follow conventional lines processing units and processing condition processing.
Description of drawings
This specification sheets has 6 width of cloth accompanying drawings.
Fig. 1. be the jet atomization depositing operation setting drawing of material prepn of the present invention;
Fig. 2. be material extrusion-processing technology setting drawing of the present invention;
Fig. 3. be one of obtainable work in-process form of material of the present invention;
Fig. 4. be the jet deposition attitude microtexture (metallographic structure figure) of embodiment 1;
Fig. 5. be extruding attitude microtexture and the size measuring (metallographic structure figure) of embodiment 1;
Fig. 6. be the second phase volume fraction 3 D video displaing micro picture (39.37%) (metallographic structure figure) in the tissue of embodiment 1.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are done and to be further described:
High ferrovanadium silicon heat-resistant aluminium alloy material among the present invention, its metallic element is mainly elements such as aluminium, iron, vanadium, silicon, manganese, zirconium, cerium.
In the present invention, the content of preferred Fe is 13.00%～15.00%; Its mechanism of action is to form compound phase compound tiny, that be evenly distributed, and is useful to improving resistance toheat and improving heat physical properties.But the iron amount increases alloy forming technology performance, viscous deformation processing characteristics are brought difficulty, therefore must in preparation, control its compound phase compound size, distribution and shape.
In the present invention, the content of preferred V is 1.35%～2.45%; Its effect is to form the compound compound mutually of iron-based with iron, silicon, aluminium, and is useful to improving resistance toheat and improving heat physical properties.And part hinders crystal boundary migration during with common refinement alloy structure of zirconium and high temperature, suppresses the microstructure coarsening effect.
In the present invention, the content of preferred Si is 2.35%～3.45%%; Its effect is that to form iron-based mutually heat-resisting with iron, vanadium, aluminium, and is useful to improving thermotolerance and mechanical property.
In the present invention, the content of preferred Mn is 0.35%～0.65%; Its effect is the shape of control Fe-base compound phase, avoids producing pin, bar-shaped; And partly form compounds mutually with iron, silicon, aluminium etc., useful to the improvement of mechanical behavior under high temperature and contour machining procedure performance.
In the present invention, the content of preferred Ce is 0.1-0.2%; Add rare earth element ce, changed the crystal structure of duraluminum, and can form Al
8Fe
4The Al of Ce, oblique square structure
10Fe
2Ce, Al
13Fe
3Ce and Al
3The Fe phase has improved the thermotolerance of duraluminum.
In the present invention, the content of preferred Zr is 0.05%～0.15%; Its effect is the refinement matrix, can form the metastable phase Al of cubic structure
3Zr has the effect that the pinning dislocation suppresses diffusion.
Aluminium is the matrix element in the alloy, and its content is retrained by the alloy element add-on.
The preparation method of high ferrovanadium silicon heat-resistant aluminium alloy material:
The first step: composition design and accurate dosing: the component prescription according to alloy of the present invention carries out accurate dosing.On distribution; To high-meltiing alloy elements such as iron, vanadium, silicon, manganese, zirconium, ceriums; Adopt the method for master alloy, prepare burden, so that can these high-meltiing alloy elements be joined in low-melting aluminium; Promptly prepare burden with the furnace charge form of Al-30%Fe, Al-15%V, Al-40%Si, Al-20%Mn, Al-5%Zr, Al-10%Ce master alloy, other impurity element limits and carries out with reference to the GB/T8735 standard in the master alloy.Aluminium is prepared burden with the mode of pure metal furnace charge.After preparing burden, during the aluminium quantity not sufficient, will supply with the mode of fine aluminium furnace charge with the furnace charge mode of master alloy.
Second step: melting, covering and refining:
Adopt the melting of intermediate frequency electromagnetic induction furnace, iron, vanadium, silicon, manganese, zirconium, cerium add with the aluminium intermediate alloy form during melting, can together add; After the fusing, aluminium liquid surface should in time be added the insulating covering agent protection and avoid oxidization burning loss; The adjustment temperature of aluminum liquid is 1000 ℃～1100 ℃, carries out refining treatment;
5%KCl+25%NaCl+70%CaCl is adopted in the adding of insulating covering agent
2The insulating covering agent of combination, the insulating covering agent that also can adopt 40-60%MgCl+40-60%KCl to make up, its add-on is the 2%-5% of total furnace charge amount; When shove charge, add respectively, and in melting and casting process, add, exposed to avoid liquid metal;
Refining treatment, adjustment temperature of aluminum liquid to 1000 ℃～1100 ℃ adds 2～6% Sesquichloratum flux, to alloy liquid stir, purifying treatment, to remove foreign material, slag thing and gas in the alloy; After the refining, leave standstill and prepare cast behind 10～15min;
The 3rd step: jet deposition preparation:
After in the frequency smelting stove, carrying out alloy melting, covering, degasification and purifying treatment, the adjustment temperature of aluminum liquid is 950 ℃～1200 ℃ and prepares cast; Aluminium liquid is imported to dominant discharge in funnel and the water conservancy diversion mouth; Get into spray deposition in the jet deposition spraying gun; Produce the high speed semi-solid state sputter stream of high atomisation; High-speed sputtering deposits on the receiving equipment of chassis, through the downward translational speed in chassis, speed of rotation and with the coupling of the pivot angle of spraying gun, be prepared into the circular ingot blank of different diameter size;
Metal diversion pouring parameter:
Teeming temperature: 950 ℃～1200 ℃
Metal flow: 6～8Kg/min (adopting water conservancy diversion mouth diameter phi 5～5.5)
The jet deposition parameter:
Sweep velocity: 20.9～23.3Hz;
Nitrogen gas flow: 21～24Nm
3/ min;
Nitrogen pressure: 8.5～9.5atm;
Jetting height: 670～730mm;
Deposit preform receives parameter:
Receive chassis speed of rotation: 2.78～3.16r/s;
Receive chassis translational speed: 0.57～0.70mm/s;
The 4th step: extrusion processing:
The extrusion billet that cutting stock become to require is heated to extrusion temperature, and the insulation certain hour is sent in the extrusion machine, extruding drift, container and or the mandrel acting in conjunction under, but extrusion molding rod base or pipe material;
The heat tracing parameter: confirm that according to aluminium alloy extruded goods soaking time rule confirms, promptly 1. during extrusion billet diameter phi≤50mm, soaking time τ=1.5 φ (min); 2. during extrusion billet diameter phi>=100mm, soaking time τ=2d (min); 3. the extrusion billet diameter phi is when 50～100mm, soaking time τ=1.5 φ+0.01 (φ-50) φ (min);
Squeezing parameter:
Extrusion ratio: 10～17;
Extrusion speed: 1.2～1.5m/min;
Extrusion temperature: 400～550 ℃;
Preferable alloy diversion pouring parameter in the described jet deposition is:
Teeming temperature: 1050～1150 ℃
Metal flow: 6.5～7Kg/min;
The jet deposition parameter:
Sweep velocity: 22.3～23.3Hz;
Nitrogen gas flow: 23～24Nm
3/ min;
Nitrogen pressure: 9.0～9.5atm;
Jetting height: 700～720mm;
Deposit preform receives parameter:
Receive chassis speed of rotation: 2.78～3.16r/s;
Receive chassis translational speed: 0.60～0.65mm/s.
Preferred squeezing parameter is in the described extrusion processing:
Extrusion ratio: 15～17;
Extrusion speed: 1.3～1.4m/min;
Extrusion temperature: 430～480 ℃.
Fig. 1 is a jet atomization depositing operation device of the present invention; Carry out alloy melting, degasification and purifying treatment at frequency smelting stove 1, be poured in funnel 2 and the water conservancy diversion mouth 3 and control water conservancy diversion, get into spray deposition in the jet deposition spraying gun 4; Produce the high speed semi-solid state sputter stream 5 of high atomisation; High-speed sputtering deposits on the chassis receiving equipment 7, through the downward translational speed in chassis, speed of rotation and with the coupling of the pivot angle of spraying gun, be prepared into the circular ingot blank 6 of different diameter size;
Fig. 2 is the extrusion-processing technology device, and the jet deposition extrusion billet 10 that cutting stock becomes to require is heated to extrusion temperature, and the insulation certain hour is sent in the extrusion machine 9, under extruding drift 8 and mandrel 11 actings in conjunction, and extrusion molding thick-wall tube 12;
Fig. 3 can obtain bar, tubing and section bar for one of obtainable work in-process form of material of the present invention.Can be according to the specific product requirement, cutting processing jet deposition extrusion billet is the jet deposition ingot blank through Fig. 1 obtained; Be the extrusion billet among Fig. 2 10; Put into the extrusion machine 9 of Fig. 2 after the heating, under extruding drift 8 and mandrel 11 actings in conjunction, extrusion molding thick-wall tube 12; And the overflow mould that is squeezed into bar or section bar is not shown.
Fig. 4 is the jet deposition attitude microtexture of embodiment 1, is the tissue through the jet deposition ingot blank that Fig. 1 obtained.White is matrix phase α tissue among the figure, and other color-set is woven to and contains iron phase compound tissue, and color is different, and is different, and lumps, bar-shaped and acicular structure are arranged basically;
Fig. 5 is extruding attitude microtexture and the size measuring of embodiment 1, and white is matrix phase α tissue among the figure, and other color-set is woven to and contains iron phase compound tissue.Visible under the effect of extrusion processing among the figure, that color among Fig. 4 is different, different jet deposition attitude contains iron phase compound tissue, obtains great fragmentation, formation fine particle shape tissue like lumps, bar-shaped and needle-like microtexture.The TP and the sign of test iron containing compounds particle size have been indicated among the figure.
Fig. 6 is the second phase volume fraction 3 D video displaing micro picture (39.37%) in the tissue of embodiment 1.Black among the figure is matrix phase α tissue, and white adopts the volume(tric)fraction of sciagraphy test white portion for containing iron phase compound tissue.
Sample is used in test:
1, the density test adopts jet deposition ingot blank, tubing to dissect, and cuts the density measurement sample respectively;
Density=jet deposition attitude sample density ÷ pushes attitude sample density (100%)
2, high ferro phase size, volume(tric)fraction test adopt tubing to dissect, and cut metallographic specimen;
2. the characteristics that adopt the material of the present invention of material of the present invention and above-mentioned preparing method's manufacturing to have are:
Each embodiment chemical analysis (wt%) of table 1
Jet deposition attitude: Fe-base compound phase size≤15 μ m, density>=97%;
Extruding attitude: Fe-base compound phase size≤5 μ m, Fe-base compound phase volume fraction>=39%;
Jet deposition attitude: Fe-base compound phase size≤15 μ m, density>=97%;
Extruding attitude: Fe-base compound phase size≤4 μ m, Fe-base compound phase volume fraction>=37%;
Jet deposition attitude: Fe-base compound phase size≤15 μ m, density>=98%;
Extruding attitude: Fe-base compound phase size≤3H m, Fe-base compound phase volume fraction>=35%;
With embodiment 1 is that example is done charge calculation:
1) chemical ingredients of embodiment 1 is following:
Fe:15.0%; V:2.45%; Si:3.45%; Mn:0.65%; Zr:0.15%; Ce:0.20%; Al: the duraluminum of surplus.
2) by 100 kilograms of furnace charges of shove charge, carry out charge calculation:
Then need each alloying element amount to be:
The Fe:15 kilogram; The V:2.45 kilogram; The Si:3.45 kilogram; The Mn:0.65 kilogram; The Zr:0.15 kilogram; The Ce:0.20 kilogram.
Al: surplus is total algebraic sum (21.9 kilograms) of 100 kilograms-above-mentioned alloying element, is 78.1 kilograms.
3) because of adopting the furnace charge form of aluminium intermediate alloy, iron, vanadium, silicon, manganese, zirconium, cerium add.Therefore, must convert the add-on of master alloy to.Then:
1. to add 15 kilograms of Fe, then need add Al-30%Fe aluminium intermediate alloy furnace charge and do
15 kilograms/30%=50 kilogram; To bring the Al amount into and be the 50-15=35 kilogram.
2. to add 3.45 kilograms of Si, then need add Al-40%Si master alloy furnace charge and do
3.45 kilogram/40%=8.625 kilogram; To bring the Al amount into and be the 8.625-3.45=5.175 kilogram
In like manner can calculate the amount that adds V, Mn, Zr, Ce.
3. needing to add Al-15%V master alloy furnace charge is 16.33 kilograms, and will bring the Al amount into is 13.88 kilograms;
4. needing to add Al-20%Mn master alloy furnace charge is 3.25 kilograms, and will bring the Al amount into is 2.6 kilograms;
5. needing to add Al-5%Zr master alloy furnace charge is 3.00 kilograms, and will bring the Al amount into is 2.85 kilograms;
6. needing to add Al-10%Ce master alloy furnace charge is 2.00 kilograms, and will bring the Al amount into is 1.80 kilograms;
The Al that 4) need add is:
Because of needing pure Al amount in 100 kilograms of alloys is 78.3 kilograms; And the form of above-mentioned employing aluminium intermediate alloy adds aluminium amount that iron, vanadium, silicon, manganese, zirconium, cerium brings into and is (35+13.88+5.175+2.6+2.85+1.80)=61.305 kilogram.
The fine aluminium that then need supply is 78.1 kilograms-61.305 kilograms=16.795 kilograms.
5) all furnace charges so far calculate and finish the furnace charge that then should in stove, add:
Al-30%Fe master alloy furnace charge is 50 kilograms;
Al-15%V master alloy furnace charge is 16.33 kilograms;
Al-40%Si master alloy furnace charge is 8.625 kilograms;
Al-15%Mn master alloy furnace charge is 3.25 kilograms;
Al-10%Zr master alloy furnace charge is 3.00 kilograms;
Al-10%Ce master alloy furnace charge is 2.00 kilograms;
The pure Al that need add is 16.795 kilograms;
Then total add-on checking: 50+16.33+8.625+3.25+3.00+2.00+16.795=100 kilogram (charge calculation is accurate).
With embodiment 1 is that example is done test specification:
Jet deposition attitude Fe-base compound phase size is less than 13.22um;
Density:
Density=jet deposition attitude sample density ÷ pushes attitude sample density (100%)
＝3.06÷3.14＝97.45％
Extruding attitude Fe-base compound phase size is less than 3.22um, and the three-D volumes mark is 39.37%.
Claims (4)
1. one kind high ferrovanadium silicon heat-resistant aluminium alloy material, it is characterized in that: each compositions in weight percentage of this material is:
Fe:13.00%～15.00%; V:1.35%～2.45%; Si:2.35%～3.45%; Mn:0.35%～0.65%; Ce:0.1-0.2%; Zr:0.05%～0.15%; Al: surplus.
2. a kind of high ferrovanadium silicon heat-resistant aluminium alloy material according to claim 1, it is characterized in that: the concrete steps of this preparation methods are following:
The first step: composition design and accurate dosing:
Each compositions in weight percentage of composition design is Fe:13.00%～15.00%; V:1.35%～2.45%; Si:2.35%～3.45%; Mn:0.35%～0.65%; Ce:0.1-0.2%; Zr:0.05%～0.15%; Surplus is Al; Composition according to above-mentioned alloy carries out accurate dosing, adopts ferro-aluminum, aluminium vanadium, aluminium silicon, aluminium manganese, aluminium zirconium, aluminium cerium master alloy and fine aluminium furnace charge, carries out quantitative ingredient;
Second step: melting, covering and refining:
Adopt the melting of intermediate frequency electromagnetic induction furnace, iron, vanadium, silicon, manganese, zirconium, cerium add with the aluminium intermediate alloy form during melting, together add; After the fusing, aluminium liquid surface should in time be added the insulating covering agent protection and avoid oxidization burning loss; The adjustment temperature of aluminum liquid is 1000 ℃～1100 ℃, carries out refining treatment;
5%KCl+25%NaCl+70%CaCl is adopted in the adding of insulating covering agent
2The insulating covering agent of combination, the insulating covering agent that also can adopt 40-60%MgCl+40-60%KCl to make up, its add-on is the 2%-5% of total furnace charge amount; When shove charge, add respectively, and in melting and casting process, add, exposed to avoid liquid metal;
Refining treatment, adjustment temperature of aluminum liquid to 1000 ℃～1100 ℃ adds 2～6% Sesquichloratum flux, to alloy liquid stir, purifying treatment, to remove foreign material, slag thing and gas in the alloy; After the refining, leave standstill and prepare cast behind 10～15min;
The 3rd step: jet deposition preparation:
After in the frequency smelting stove, carrying out alloy melting, covering, degasification and purifying treatment, the adjustment temperature of aluminum liquid is 950 ℃～1200 ℃ and prepares cast; Aluminium liquid is imported to dominant discharge in funnel and the water conservancy diversion mouth; Get into spray deposition in the jet deposition spraying gun; Produce the high speed semi-solid state sputter stream of high atomisation; High-speed sputtering deposits to and receives on the chassis, through the downward translational speed in chassis, speed of rotation and with the coupling of the pivot angle of spraying gun, be prepared into the circular ingot blank of different diameter size;
Metal diversion pouring parameter:
Teeming temperature: 950 ℃～1200 ℃
Metal flow: 6～8Kg/min
The jet deposition parameter:
Sweep velocity: 20.9～23.3Hz;
Nitrogen gas flow: 21～24Nm
3/ min;
Nitrogen pressure: 8.5～9.5atm;
Jetting height: 670～730mm;
Deposit preform receives parameter:
Receive chassis speed of rotation: 2.78～3.16r/s;
Receive chassis translational speed: 0.57～0.70mm/s;
The 4th step: extrusion processing:
The extrusion billet that cutting stock become to require is heated to extrusion temperature, and the insulation certain hour is sent in the extrusion machine, extruding drift, container and or the mandrel acting in conjunction under, extrusion molding rod base or pipe material;
The heat tracing parameter: confirm that according to aluminium alloy extruded goods soaking time rule confirms, promptly 1. during extrusion billet diameter phi≤50mm, soaking time τ=1.5 φ min; 2. during extrusion billet diameter phi>=100mm, soaking time τ=2 φ min; 3. the extrusion billet diameter phi is when 50～100mm, soaking time τ=1.5 φ+0.01 (φ-50) φ min;
Squeezing parameter:
Extrusion ratio: 10～17;
Extrusion speed: 1.2～1.5m/min;
Extrusion temperature: 400～550 ℃.
3. a kind of high ferrovanadium silicon heat-resistant aluminium alloy material according to claim 2 is characterized in that:
Metal diversion pouring parameter in the described jet deposition is:
Teeming temperature: 1050～1150 ℃
Metal flow: 6.5～7Kg/min;
The jet deposition parameter:
Sweep velocity: 22.3～23.3Hz;
Nitrogen gas flow: 23～24Nm
3/ min;
Nitrogen pressure: 9.0～9.5atm;
Jetting height: 700～720mm;
Deposit preform receives parameter:
Receive chassis speed of rotation: 2.78～3.16r/s;
Receive chassis translational speed: 0.60～0.65mm/s.
4. a kind of high ferrovanadium silicon heat-resistant aluminium alloy material according to claim 2 is characterized in that:
Squeezing parameter is in the described extrusion processing:
Extrusion ratio: 15～17;
Extrusion speed: 1.3～1.4m/min;
Extrusion temperature: 430～480 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010610720 CN102031429B (en) | 2010-12-29 | 2010-12-29 | High-Fe-V-Si heat-resistant aluminum alloy material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010610720 CN102031429B (en) | 2010-12-29 | 2010-12-29 | High-Fe-V-Si heat-resistant aluminum alloy material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102031429A CN102031429A (en) | 2011-04-27 |
| CN102031429B true CN102031429B (en) | 2012-11-07 |
Family
ID=43884876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010610720 Expired - Fee Related CN102031429B (en) | 2010-12-29 | 2010-12-29 | High-Fe-V-Si heat-resistant aluminum alloy material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102031429B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626843A (en) * | 2012-02-17 | 2012-08-08 | 汤汉良 | Manufacturing method for automobile parts made of aluminum-based composite material through spray deposition |
| CN104651684B (en) * | 2013-11-25 | 2017-09-26 | 中国兵器工业第五二研究所 | A kind of Aluminium alloy structural material and preparation method thereof |
| CN104073694A (en) * | 2014-07-08 | 2014-10-01 | 安徽艳阳电气集团有限公司 | High-heat conductivity temperature-resistant aluminum-based composite radiating material for LED (Light-Emitting Diode) |
| CN105950926A (en) * | 2015-04-24 | 2016-09-21 | 陈思 | Oil transfer pump for oil refinery |
| CN106929711A (en) * | 2017-03-14 | 2017-07-07 | 郭和谦 | A kind of preparation method of the ferro-aluminum composite of high rigidity highly corrosion resistant |
| CN108500279B (en) * | 2018-05-15 | 2020-04-24 | 南京尚吉增材制造研究院有限公司 | Cold bed smelting type gas atomization powder preparation method and device |
| CN110016592A (en) * | 2019-04-10 | 2019-07-16 | 丹阳宝盈新材料科技有限公司 | A kind of 3D printing heat-resisting aluminium alloy powder |
| CN112779442B (en) * | 2020-12-28 | 2022-07-08 | 有研增材技术有限公司 | High-strength heat-resistant aluminum alloy powder for 3D printing and preparation method thereof |
| CN112845652B (en) * | 2021-01-07 | 2023-02-24 | 宿迁学院 | Preparation method of Cu-Cr-Zr wear-resistant alloy wire |
| CN114101689B (en) * | 2021-11-15 | 2023-11-03 | 河北新立中有色金属集团有限公司 | Method for controlling fluidity and purity of high-silicon aluminum alloy melt for gas atomization powder preparation |
| CN114345970B (en) * | 2021-12-06 | 2023-09-22 | 江苏理工学院 | High-strength corrosion-resistant aluminum alloy drill rod and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715893A (en) * | 1984-04-04 | 1987-12-29 | Allied Corporation | Aluminum-iron-vanadium alloys having high strength at elevated temperatures |
-
2010
- 2010-12-29 CN CN 201010610720 patent/CN102031429B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715893A (en) * | 1984-04-04 | 1987-12-29 | Allied Corporation | Aluminum-iron-vanadium alloys having high strength at elevated temperatures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102031429A (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102031429B (en) | High-Fe-V-Si heat-resistant aluminum alloy material and preparation method thereof | |
| CN105950947B (en) | Rich iron high-entropy alloy powder body material and preparation method thereof for 3D printing | |
| Stoloff | An overview of powder processing of silicides and their composites | |
| CN104325128B (en) | A kind of 3D prints with heat-resisting die Steel material and preparation method thereof | |
| CN100525987C (en) | High strength aluminum alloy welding wire and its preparing method | |
| CN108796314B (en) | Preparation method of aluminum-silicon alloy for electronic packaging | |
| CN101457318A (en) | High-silicon aluminum alloy cylinder sleeve material and preparation method thereof | |
| CN101906548B (en) | Preparation method of TiB2 particle-reinforced TiAl-based composite material | |
| CN101280376A (en) | High-wear-resistant zinc-aluminum alloy and preparation thereof | |
| CN102337423A (en) | Preparation method of ceramic-powder-enhanced zinc-aluminum alloy based composite material | |
| CN109778026A (en) | A kind of preparation method of increasing material manufacturing al-si-based alloy and its powder | |
| CN110423914B (en) | Preparation method of rare earth magnesium alloy composite material | |
| CN104131211A (en) | Preparation method of jet-molded multi-gradient high-speed steel | |
| CN110438379A (en) | A kind of magnesium/aluminum matrix composite preparation method containing lithium | |
| CN104942292B (en) | Manufacturing method of aluminum, titanium and boron alloy rod | |
| CN107365951B (en) | A kind of Fe base noncrystal alloy part and preparation method thereof | |
| CN106736269B (en) | A kind of preparation method of circle aluminum matrix composite silk material | |
| CN101289721B (en) | High manganese-containing magnesium-manganese intermediate alloy and preparation | |
| CN110846545B (en) | Metal ceramic composite material produced from powdered quartz ore and used for 3D printing and preparation method thereof | |
| CN106048335A (en) | Aluminum alloy material used for aerospace large heavy castings, and preparation method of material | |
| CN105710380A (en) | Aluminum-contained metal printing powder and preparation method thereof | |
| CN109252060A (en) | A kind of preparation method of crystal-amorphous aluminum matrix composite | |
| CN108149160A (en) | A kind of high impact toughness foamed aluminium and its production technology based on A356 aluminium alloys | |
| US11685976B2 (en) | Method for preparing amorphous particle-modified magnesium alloy surface-gradient composites | |
| CN101429609B (en) | Novel high-temperature alloy and method for producing 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20161229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |