CN108330308A - A kind of Al-Ti-C-La composite crystal grain fining agents, alloy and preparation method thereof - Google Patents
A kind of Al-Ti-C-La composite crystal grain fining agents, alloy and preparation method thereof Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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Abstract
The invention discloses a kind of Al Ti C La composite crystal grain fining agents, alloy and preparation method thereof.Fining agent of the present invention by expecting and La substantially2O3Powder melting is prepared；Wherein, the basic material is including being 5 in mass ratio：（1.5~2.5）：（0.8~1.2）Aluminium powder, titanium valve, carbon dust；The La2O3The quality of powder is the 0.5 ~ 6% of major ingredient.The present invention is by by La2O3Mechanical ball mill 1.5 hours, cylindrical prefabricated section is pressed by powder after powder and major ingredient mixing；Melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, and by prefabricated section melt, the quality of prefabricated section is the 0.1 ~ 0.4% of raw material aluminum melt；5 ~ 20min is stirred and kept the temperature, C is used2Cl6It is poured into the mold of 200 DEG C of preheating after refining degasification, obtains Al Ti C La alloys.The preparation of the Al Ti C La fining agents of the present invention is simple, low energy consumption, generation environment does not pollute；Refinement and reinforcing to hypoeutectic Al Si is with obvious effects.
Description
Technical field
The invention belongs to metallurgical technology field more particularly to a kind of Al-Ti-C-La composite crystal grain fining agents, alloy and its
Preparation method.
Background technology
For A1-Ti-C composite crystal grain fining agents 3 because containing TiC particles, there are less related with Al-Ti-B refiner scarce
It falls into and deficiency, it is considered to be most promising aluminium grain refiner.But Al-Ti-C alloys are present in preparation process
Critical issue is that the wetability of carbon source and molten aluminum is poor, and TiC generates difficult.
Addition grain refiner can not only refine as-cast grain, refine arborescent structure, additionally it is possible to reduce loose, reduction heat
Tendency is split, casting flaw is reduced, improves subsequent processing performance.Recently as the research to aluminium alloy fining agent, develop
Go out Al-Ti-C grain refiner.TiC particles in Al-Ti-C grain refiner are not easy to assemble, be evenly distributed because size is small, and
And have many advantages, such as good coherency with Al, and receive significant attention.But since wetabilitys of the C in Al is poor, ten are prepared
Point difficulty, by stir strongly or pyroreaction prepare Al-Ti-C grain refiner, manufacturing cost is higher, limits Al-
The extensive use of Ti-C grain refiners.
Hypoeutectic Al-Si alloy has many advantages, such as the casting character that density is small, excellent, is widely used in aerospace, vapour
On vehicle, motorcycle and other delivery vehicles.Mainly there are Primary α-Al Phase and eutectic Si in hypoeutectic Al-Si alloy tissue,
Middle α-Al are in mutually coarse dendritic crystalline, and common reciever is precipitated with coarse needle-shaped or lath-shaped, exists and isolate work to matrix
With the serious mechanical property for affecting alloy causes the mechanical property especially elongation percentage of Al-Si systems alloy not high, toughness
It is not good enough.
Invention content
The purpose of the present invention is to provide a kind of Al-Ti-C-La composite crystal grain fining agents, it is intended to which solution is intended for industry
Fine aluminium, hypoeutectic Al -7Si refining effects, solve the problems such as existing fining agent thinning effect is poor, alloy mechanical property is bad.
It is prepared by above-mentioned Al-Ti-C-La composite crystal grain fining agents it is still another object of the present invention to provide a kind of
Alloy.
Another object of the present invention is to provide the preparation methods of above-mentioned alloy.
The invention is realized in this way a kind of Al-Ti-C-La composite crystal grain fining agents, the fining agent by expecting substantially and
La2O3Powder melting is prepared；Wherein, the basic material is including being 5 in mass ratio：(1.5~2.5)：The aluminium of (0.8~1.2)
Powder, titanium valve, carbon dust；The La2O3The quality of powder is the 0.5~6% of major ingredient.
Preferably, the mass ratio of the aluminium powder, titanium valve and graphite powder is 5：2：1.
Preferably, the La2O3The quality of powder is the 2% of major ingredient.
The present invention further discloses a kind of Al-Ti-C-La alloys, the alloy is compound by raw material aluminium and Al-Ti-C-La
Grain refiner melting is prepared；Wherein, the quality of the fining agent is the 0.1~0.4% of raw material aluminium；Wherein, the refinement
Agent by expecting and La substantially2O3Powder melting is prepared；Wherein, the basic material is including being 5 in mass ratio：(1.5~2.5)：(0.8
~1.2) aluminium powder, titanium valve, carbon dust；The La2O3The quality of powder is the 0.5~6% of major ingredient.
Preferably, the mass ratio of the aluminium powder, titanium valve and graphite powder is 5：2：1；The La2O3The quality of powder is major ingredient
2%
Preferably, the quality of the fining agent is the 0.3% of raw material aluminium.
The present invention further discloses a kind of preparation methods of Al-Ti-C-La alloys, and this approach includes the following steps：
(1) by La2O3Mechanical ball mill 1.5 hours, cylindrical prefabricated section is pressed by powder after powder and major ingredient mixing；Its
In, the major ingredient is including being 5 in mass ratio：(1.5~2.5)：Aluminium powder, titanium valve and the graphite powder of (0.8~1.2), the Y2O3
The quality of powder is the 0.5~6% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.1~0.4% of raw material aluminum melt；5~20min is stirred and kept the temperature, C is used2Cl6It is poured after refining degasification
In the mold for noting 200 DEG C of preheating, Al-Ti-C-La alloys are obtained.
Preferably, in step (1), the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and graphite powder；
The Y2O3The quality of powder is the 2% of major ingredient；
In step (2), the quality of the prefabricated section is the 0.3% of raw material aluminum melt.
Compared with the prior art the shortcomings that and deficiency, the invention has the advantages that：
(1) preparation of Al-Ti-C-La fining agents of the invention is simple, low energy consumption, generation environment does not pollute；
(2) present invention is by adding La2O3Powder has prepared the Al-Ti-C-La fining agents that performance is better than Al-Ti-C, should
Al-Ti-C-La fining agents not only have refining effect to Primary α-Al Phase, but also also have good rotten effect to eutectic Si
Fruit.Compared with pure simple substance rare earth La and Al-Ti-C composite crystal grain fining agents 3, the refinement and reinforcing effect to hypoeutectic Al-Si are bright
It is aobvious and easy to operate, it is at low cost.
Description of the drawings
Fig. 1 is the XRD spectrum of Al-Ti-C-La composite crystal grain fining agents 3；
Fig. 2 is the back-scattered SEM image of Al-Ti-C-La composite crystal grain fining agents 3；
Fig. 3 is the EDS collection of illustrative plates of grey block A points in Fig. 2；
Fig. 4 is the EDS collection of illustrative plates of grey block B points in Fig. 2；
Fig. 5 is by different La2O3The fine aluminium that is refined of Al-Ti-C-La composite crystal grain fining agents prepared by additive amount it is macro
See organization chart；
Fig. 6 is the macroscopic organization chart after different 3 additive amounts of Al-Ti-C-Y composite crystal grain fining agents refine fine aluminium；
Fig. 7 is macroscopical group after Al-Ti-C-La composite crystal grain fining agents 3 refine fine aluminium when different soaking times
Knit figure.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 1；Wherein, the major ingredient is including being 5 in mass ratio：1.5：0.8 aluminium powder, titanium valve
And graphite powder, the Y2O3The quality of powder is the 0.5% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.1% of raw material aluminum melt；5min is stirred and kept the temperature, C is used2Cl6It is poured into preheating after refining degasification
In 200 DEG C of mold, Al-Ti-C-La alloys 1 are obtained.
Embodiment 2
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 2；Wherein, the major ingredient is including being 5 in mass ratio：2.5：1.2 aluminium powder, titanium valve
And graphite powder, the Y2O3The quality of powder is the 6% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.4% of raw material aluminum melt；20min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 2 are obtained.
Embodiment 3
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 3；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 2% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.3% of raw material aluminum melt；10min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 3 are obtained.
Embodiment 4
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 4；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 1% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.3% of raw material aluminum melt；10min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 4 are obtained.
Embodiment 5
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 5；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 4% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.3% of raw material aluminum melt；10min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 5 are obtained.
Embodiment 6
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 6；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 2% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.2% of raw material aluminum melt；10min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 6 are obtained.
Embodiment 7
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 7；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 2% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.4% of raw material aluminum melt；10min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 7 are obtained.
Embodiment 8
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 8；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 2% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.3% of raw material aluminum melt；5min is stirred and kept the temperature, C is used2Cl6It is poured into preheating after refining degasification
In 200 DEG C of mold, Al-Ti-C-La alloys 8 are obtained.
Embodiment 9
(1) by La2O3Mechanical ball mill 1.5 hours, is pressed into cylindrical prefabricated section by powder, obtains after powder and major ingredient mixing
To Al-Ti-C-La composite crystal grain fining agents 9；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and
Graphite powder, the Y2O3The quality of powder is the 2% of major ingredient；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.3% of raw material aluminum melt；30min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys 9 are obtained.
Comparative example 1
(1) powder is pressed into cylindrical prefabricated section, obtains Al-Ti-C by mechanical ball mill 1.5 hours after mixing major ingredient
Composite crystal grain fining agent；Wherein, the major ingredient is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and graphite powder；
(2) melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, the prefabricated section melt that step (1) is obtained
In, the quality of prefabricated section is the 0.3% of raw material aluminum melt；5min is stirred and kept the temperature, C is used2Cl6It is poured into preheating after refining degasification
In 200 DEG C of mold, Al-Ti-C alloys 1 are obtained.
Effect example 1
By the Al-Ti-C-La composite crystal grain fining agents 3 obtained in above-described embodiment 3 by corase grinding, fine grinding, electrobrightening
Its phase composition is analyzed using X-ray diffractometer (XRD) later, and is seen using the scanning electron microscope (SEM) with energy disperse spectroscopy (EDS)
Microscopic structure is examined, as a result as shown in figures 1-4.
Fig. 1 is the XRD spectrum of Al-Ti-C-La composite crystal grain fining agents 3.From figure 1 it appears that Al-Ti-C-La is multiple
It closes in grain refiner 3 other than α-Al, also TiAl3, the objects phase such as TiC.
Fig. 2 is the back-scattered SEM image of Al-Ti-C-La composite crystal grain fining agents 3.From figure 2 it can be seen that Al-Ti-
The block that a large amount of average-sizes are about 8 × 12 μm is distributed on the Al matrixes of C-La composite crystal grain fining agents 3, wherein big absolutely
Most blocks are grey, and the larger block of portion size is brilliant white, in addition also has and takes measurements greatly mostly at 0.5~2 μm
Granular substance.
Fig. 3 is the EDS collection of illustrative plates of grey block A points in Fig. 2, and Fig. 4 is the EDS collection of illustrative plates of grey block B points in Fig. 2.From
As can be seen that A points are mainly made of Ti, A1 element in Fig. 3, Fig. 4, B points are mainly made of Ti, Al, C element.In conjunction with Al-Ti-
The XRD spectrum analysis result of C-La composite crystal grain fining agents 3 is it is found that grey block is TiAl in Fig. 23, granular substance TiC,
TiC particle sizes are smaller.
Effect example 2
To the Al-Ti-C alloys 1 obtained in above-mentioned comparative example 1, the Al-Ti-C-La alloys obtained in embodiment 3
3, the Al-Ti-C-La alloys 5 obtained in the Al-Ti-C-La alloys 4 that are obtained in embodiment 4, embodiment 5 through corase grinding, fine grinding,
Microscopic structure is observed using large-scale light microscope (OM) after electrobrightening, the results are shown in Figure 5.Fig. 5 is that addition difference contains
The La of amount2O3The micro-organization chart of Al-Ti-C-La fining agents refinement fine aluminium prepared by powder, wherein Fig. 5 (a) is the macroscopic view of alloy 1
Organization chart, Fig. 5 (b) are the macroscopic organization chart of Al-Ti-C-La alloys 4, and Fig. 5 (c) is macroscopical group of Al-Ti-C-La alloys 3
Figure is knitted, Fig. 5 (d) is the macroscopic organization chart of Al-Ti-C-La alloys 5.
Aluminium grain is the column crystal of vertical shape it can be seen from Fig. 5 (a), and thinning effect is very poor；From Fig. 5 (b)~5 (d)
As can be seen that with the increase of additive amount, aluminium grain becomes tiny shape from vertical shape, and thinning effect obviously improves, when increasing to
When 2%, aluminium grain is most thin, is more evenly distributed, and thinning effect is best.
Effect example 3
In the alloy 3 that is obtained to the Al-Ti-C alloys 1 that are obtained in above-mentioned comparative example 1, embodiment 3, embodiment 6
To alloy 6, the alloy 7 that obtains in embodiment 7 carry out macrograph observation, the results are shown in Figure 6, wherein Fig. 6 (a)
For the macroscopic organization chart of Al-Ti-C alloys 1, Fig. 6 (b) is the macroscopic organization chart of alloy 6, and Fig. 6 (c) is the macrostructure of alloy 3
Figure, Fig. 6 (d) are the macroscopic organization chart of alloy 7.
From Fig. 6 (a) as can be seen that the commercial-purity aluminium macrograin for being not added with intermediate alloy is coarse, macrostructure is by erecting
The column crystal composition of straight shape.
The increase with intermediate alloy additive amount is can be seen that from Fig. 6 (b)~(d), crystal grain becomes thinner.Work as additive amount
When increasing to 0.3%, crystallite dimension is most tiny, as shown in Fig. 6 (c).Intermediate alloy additive amount is continued growing, although size continues
Reduce, but the trend reduced is slowed down, as shown in Fig. 6 (d).Intermediate alloy additive amount increases to some degree, thinning effect
Reach saturation state, crystallite dimension no longer reduces.0.3% additive amount is critical point, and crystal sizes can be on this aspect
Preferable refinement is obtained to meet industrial production, while being also unlikely to cause the waste of fining agent.Considering cost and benefit
Factor, Al-Ti-C-La intermediate alloys refine commercial-purity aluminium optimum addition be 0.3%.
Effect example 4
To the alloy 3 obtained in embodiment 3, the alloy 8 obtained in embodiment 8 and the alloy 9 obtained in embodiment 9 into
Row macrostructure, as shown in Figure 7, wherein Fig. 7 (a) is the macroscopic organization chart of alloy 8, and Fig. 7 (b) is the macrostructure of alloy 3
Figure, Fig. 7 (c) are the macroscopic organization chart of alloy 9.
From Fig. 7 (b) as can be seen that when refinement keeps the temperature 10min, tissue has turned to fine columnar crystalline substance.When with heat preservation
Between extend, gradual increased trend after crystallite dimension presentation is first gradually reduced, but compared to fine aluminium when being not added with intermediate alloy
Sample crystallite dimension wants small.As it can be seen that Al-Ti-C-La intermediate alloys have good anti-crystal grain refinement decline performance, work is refined
The best soaking time of industry fine aluminium is 10min.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of Al-Ti-C-La composite crystal grain fining agents, which is characterized in that the fining agent by expecting and La substantially2O3Powder melting system
It is standby to form；Wherein, the basic material is including being 5 in mass ratio：（1.5~2.5）：（0.8~1.2）Aluminium powder, titanium valve, carbon dust；Institute
State La2O3The quality of powder is the 0.5 ~ 6% of major ingredient.
2. Al-Ti-C-La composite crystal grain fining agents as described in claim 1, which is characterized in that the aluminium powder, titanium valve and
The mass ratio of graphite powder is 5：2：1.
3. Al-Ti-C-La composite crystal grain fining agents as claimed in claim 2, which is characterized in that the La2O3The quality of powder is
The 2% of major ingredient.
4. a kind of Al-Ti-C-La alloys, which is characterized in that the alloy is described in 1 ~ 3 any one of raw material aluminium and the claims
The melting of Al-Ti-C-La composite crystal grain fining agents is prepared；Wherein, the quality of the fining agent is the 0.1 ~ 0.4% of raw material aluminium.
5. Al-Ti-C-La alloys as claimed in claim 4, which is characterized in that the quality of the fining agent is raw material aluminium
0.3%。
6. a kind of preparation method of Al-Ti-C-La alloys, which is characterized in that this approach includes the following steps：
（1）By La2O3Mechanical ball mill 1.5 hours, cylindrical prefabricated section is pressed by powder after powder and major ingredient mixing；Wherein, institute
It is 5 in mass ratio to state major ingredient to include：（1.5~2.5）：（0.8~1.2）Aluminium powder, titanium valve and graphite powder, the Y2O3The matter of powder
Amount is the 0.5 ~ 6% of major ingredient；
（2）Melt raw material aluminium obtains melt in resistance furnace, is superheated to 730 DEG C, by step（1）In obtained prefabricated section melt,
The quality of prefabricated section is the 0.1 ~ 0.4% of raw material aluminum melt；5 ~ 20min is stirred and kept the temperature, C is used2Cl6It is poured into after refining degasification pre-
In the mold of 200 DEG C of heat, Al-Ti-C-La alloys are obtained.
7. the preparation method of Al-Ti-C-La alloys as claimed in claim 6, which is characterized in that in step（1）In, the master
Material is including being 5 in mass ratio：2：1 aluminium powder, titanium valve and graphite powder；The Y2O3The quality of powder is the 2% of major ingredient；
In step（2）In, the quality of the prefabricated section is the 0.3% of raw material aluminum melt.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363936A (en) * | 2020-03-19 | 2020-07-03 | 兰州理工大学 | Al-Ti-C-La intermediate alloy reinforced A356 composite material and preparation method thereof |
| CN114561562A (en) * | 2022-03-23 | 2022-05-31 | 兰州理工大学 | Al-Ti-La intermediate alloy and method for refining and modifying Al-7Si alloy |
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| CN111363936A (en) * | 2020-03-19 | 2020-07-03 | 兰州理工大学 | Al-Ti-C-La intermediate alloy reinforced A356 composite material and preparation method thereof |
| CN114561562A (en) * | 2022-03-23 | 2022-05-31 | 兰州理工大学 | Al-Ti-La intermediate alloy and method for refining and modifying Al-7Si alloy |
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Application publication date: 20180727 |