CN101538666A - Al-Sb-Y-Mg modifier for hypoeutectic Al-Si alloy and preparation process thereof - Google Patents
Al-Sb-Y-Mg modifier for hypoeutectic Al-Si alloy and preparation process thereof Download PDFInfo
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Abstract
The invention discloses an Al-Sb-Y-Mg modifier for a hypoeutectic Al-Si alloy, which consists of the following elements according to weight percent: 82 percent to 92 percent of aluminum, 5 percent to 15 percent of antimony, 1 percent to 2 percent of yttrium, 1 percent to 2 percent of magnesium, and 1 percent to 2 percent of aluminum covering agent. The aluminum covering agent comprises 50 percent by weight of NaCl powder and 50 percent by weight of KCl powder. The invention also discloses a method for preparing the modifier, which comprises the steps of placing aluminum ingot accounting for 82 percent to 92 percent of the modifier in weight percentage into a graphite crucible with temperature of 450 to 550 DEG C and adding the aluminum covering agent accounting for 1 percent to 2 percent of the modifier in weight percentage; increasing the temperature to 760 to 800 DEG C; later adding antimony ingot accounting for 5 percent to 15 percent of the modifier in weight percentage, yttrium ingot accounting for 1 percent to 2 percent of the modifier in weight percentage, and magnesium ingot accounting for 1 percent to 2 percent of the modifier in weight percentage into molten aluminum liquid in sequence and keeping the temperature for 20-30min; then introducing argon gas at a place of 8-15mm away from a melt bottom at flow of 8-20ml/s and implementing refining for 2-5min on the melt; and finally removing the slag and pouring the melt into a metal type die, and cooling to room temperature.
Description
Technical field
The present invention relates to a kind of Al-Sb-Y-Mg alterant and preparation technology thereof who is used for hypoeutectic al-si alloy, belong to technical field of aluminum alloy application.
Background technology
Aluminium alloy is the light metal material of widespread use in the present industrial production, it is low to have density, reflectivity height to light, heat, electric wave, surface treatment properties is good, therefore advantage such as shock-absorbing, anti-acoustic capability are superior, is widely used in every field such as space flight, aviation, navigation, automobile, building materials and daily style, wherein, use particularly extensive with the superior Al-Si alloy of castability.By weight percentage, silicon content is a hypoeutectic Al-Si alloy less than 12.6% Al-Si alloy, and it separates out primary-Al phase earlier when solidifying, and eutectic reaction takes place then generate that (eutectic of α-Al+Si), the Si in this eutectic is called as eutectic Si phase.Easily generate thick faller gill shape Eutectic Silicon in Al-Si Cast Alloys in the hypoeutectic al-si alloy process of setting, the Eutectic Silicon in Al-Si Cast Alloys fragility of this form has seriously been isolated matrix mutually, has reduced the intensity and the plasticity of alloy, thereby need make it to change over favourable form by rotten the processing.
To hypoeutectic Al-Si alloy, the alterant that has been widely used at present is Al-Sr (strontium) alterant.Though strontium has good modification effect, because strontium belongs to rare precious metal, china natural resources is less, output in domestic is little, cost an arm and a leg, and the aluminium alloy melt hydrogen of handling through strontium is big, makes aluminum alloy casting produce defectives such as pore easily, and the finished product rate is low.Therefore, expecting to develop the hypoeutectic al-si alloy alterant that a kind of refinement modification effect is good and production cost is low always.
Antimony (Sb) and rare earth yttrium (Y) have good modification effect to hypoeutectic Al-Si alloy.After adding a small amount of antimony or rare earth in the aluminum silicon alloy, can effectively make Eutectic Silicon in Al-Si Cast Alloys become tiny sheet or particulate state mutually, simultaneously primary-Al also be had certain refining effect mutually, thereby the mechanical property of Al-Si alloy is improved.In addition, China's antimony and rare earth yttrium resource contain abundant, the source wide, cheap.The Al-Sb-Y-Mg alterant preferably the primary in the refinement hypoeutectic al-si alloy-Al mutually and eutectic Si mutually and improve the performance of hypoeutectic al-si alloy, the practical application of promotion aluminium alloy is had crucial meaning.
Summary of the invention
The purpose of this invention is to provide the hypoeutectic al-si alloy alterant that a kind of with low cost, preparation technology is simple, the refinement modification effect is good.
The present invention is used for the alterant of hypoeutectic Al-Si alloy, is made up of by weight percentage following element: aluminium: 82～92%, and antimony: 5～15%, yttrium: 1～2%, magnesium: 1～2%.Testing used aluminium insulating covering agent weight percent consists of: NaCl powder 50%, KCl powder 50%.
The present invention solves this technical problem the technical scheme that is adopted: a kind of Al-Sb-Y-Mg alterant and preparation technology thereof who is used for hypoeutectic al-si alloy, and its step is as follows:
The first step, preparation Al-Sb-Y-Mg alterant
Alterant composition by design in advance is ready to raw materials such as aluminium ingot, antimony slab, yttrium ingot, magnesium ingot; The aluminium ingot that will account for alterant weight percent 82～92% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 450～550 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 1～2% thereon; Resistance furnace is warming up to 760～800 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot, magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 5～15%, 1～2%, 1～2% of alterant weight percent respectively, insulation 20～30min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 8～20ml/s leads to argon gas from distance melt bottom 8～15mm, and melt is carried out refining 2～5min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
Second step, the rotten hypoeutectic al-si alloy of handling of Al-Sb-Y-Mg alterant
Plumbago crucible is placed resistance furnace and with the resistance furnace intensification, during to 450～550 ℃ A356 hypoeutectic al-si alloy ingot is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for this alloy pig weight percent 1～2% thereon; Resistance furnace is warming up to 760～800 ℃ then, makes the A356 alloy pig all after the fusing, adds step 1 Al-Sb-Y-Mg alterant preparation, that account for this alloy pig weight percent 1～3%, insulation 20～40min; In insulating process with high purity graphite rod gentle agitation melt so that the Al-Sb-Y-Mg alterant fully fuses and make bath composition even; Then, lead to argon gas from distance melt bottom 8～15mm, melt is carried out refining 2～5min with the flow of 5～10ml/s; Then, melt is poured in the metal type dies that is preheated to 200～300 ℃.Break the type pickup behind casting complete 1～2min and make foundry goods be cooled to room temperature in air, carry out T6 thermal treatment, its concrete technological specification is: 520～540 ℃ of solution treatment, and insulation 4～6h, quenchant is a normal-temperature water; 140～160 ℃ of ageing treatment, soaking time 3～4h.Can make dendrite interval and the tiny hypoeutectic al-si alloy of Eutectic Silicon in Al-Si Cast Alloys size, wherein, aluminium dendrite average headway between 18.4～35.1 μ m, the Eutectic Silicon in Al-Si Cast Alloys mean sizes is at 5～10 μ m.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
The electron scanning micrograph of the A356 hypoeutectic aluminium alloy that Fig. 1 makes for the embodiment of the invention 2.
The electron scanning micrograph of the A356 hypoeutectic aluminium alloy that Fig. 2 makes for the embodiment of the invention 2.
The electron scanning micrograph of the A356 hypoeutectic aluminium alloy that Fig. 3 makes for the embodiment of the invention 3.
The electron scanning micrograph of the A356 hypoeutectic aluminium alloy that Fig. 4 makes for the embodiment of the invention 3.
Embodiment
Describe the present invention in detail below in conjunction with embodiment, these embodiment only are used to illustrate the present invention, do not limit the present invention.
Use raw material: A356 aluminum alloy ingot, silicone content 6.5～7.5Wt.%, magnesium 0.25～0.35Wt.%; Aluminium ingot, purity 99.9Wt.%; Antimony slab, purity 99.8Wt.%; The yttrium ingot, purity 99.9Wt.%; Magnesium ingot, purity 99.9Wt.%.
Embodiment 1:
The first step, preparation Al-Sb-Y-Mg alterant
Designing the elementary composition of alterant by weight percentage is Al:82%, Sb:15%, Y:1%, Mg:2%.
Alterant composition by design in advance is ready to raw materials such as aluminium ingot, antimony slab, yttrium ingot, magnesium ingot; The aluminium ingot that will account for alterant weight percent 82% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 550 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 1% thereon; Resistance furnace is warming up to 760 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot and magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 15%, 1%, 2% of alterant weight percent respectively, insulation 30min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 8ml/s leads to argon gas from distance melt bottom 8mm, and melt is carried out refining 2min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
Second step, the rotten hypoeutectic al-si alloy of handling of Al-Sb-Y-Mg alterant
Plumbago crucible is placed resistance furnace and with the resistance furnace intensification, during to 450 ℃ A356 hypoeutectic al-si alloy ingot is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for this alloy pig weight percent 1% thereon; Resistance furnace is warming up to 760 ℃ then, makes the A356 alloy pig all after the fusing, adds step 1 Al-Sb-Y-Mg alterant preparation, that account for this alloy pig weight percent 1%, insulation 20min; In insulating process with high purity graphite rod gentle agitation melt so that the Al-Sb-Y-Mg alterant fully fuses and make bath composition even; Then, lead to argon gas from distance melt bottom 8mm, melt is carried out refining 2min with the flow of 5ml/s; Then, melt is poured in the metal type dies that is preheated to 200 ℃.Break the type pickup behind the casting complete 2min and make foundry goods be cooled to room temperature in air, carry out T6 thermal treatment, its concrete technological specification is: 520 ℃ of solution treatment, and insulation 4h, quenchant is a normal-temperature water; 140 ℃ of ageing treatment, soaking time 3h.Can make dendrite interval and the tiny hypoeutectic al-si alloy of Eutectic Silicon in Al-Si Cast Alloys size, wherein, aluminium dendrite average headway is that 35.1 μ m, Eutectic Silicon in Al-Si Cast Alloys mean sizes are 10 μ m.
Embodiment 2:
The first step, preparation Al-Sb-Y-Mg alterant
Designing the elementary composition of alterant by weight percentage is Al:87%, Sb:10%, Y:2%, Mg:1%.
Alterant composition by design in advance is ready to raw materials such as aluminium ingot, antimony slab, yttrium ingot, magnesium ingot; The aluminium ingot that will account for alterant weight percent 87% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 500 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 1.5% thereon; Resistance furnace is warming up to 780 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot, magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 10%, 2%, 1% of alterant weight percent respectively, insulation 20min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 20ml/s leads to argon gas from distance melt bottom 10mm, and melt is carried out refining 5min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
Second step, the rotten hypoeutectic al-si alloy of handling of Al-Sb-Y-Mg alterant
Plumbago crucible is placed resistance furnace and with the resistance furnace intensification, during to 500 ℃ A356 hypoeutectic al-si alloy ingot is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for this alloy pig weight percent 1.5% thereon; Resistance furnace is warming up to 780 ℃ then, makes the A356 alloy pig all after the fusing, adds step 1 Al-Sb-Y-Mg alterant preparation, that account for this alloy pig weight percent 2%, insulation 30min; In insulating process with high purity graphite rod gentle agitation melt so that the Al-Sb-Y-Mg alterant fully fuses and make bath composition even; Then, lead to argon gas from distance melt bottom 10mm, melt is carried out refining 3min with the flow of 8ml/s; Then, melt is poured in the metal type dies that is preheated to 250 ℃.Break the type pickup behind the casting complete 1min and make foundry goods be cooled to room temperature in air, carry out T6 thermal treatment, its concrete technological specification is: 530 ℃ of solution treatment, and insulation 5h, quenchant is a normal-temperature water; 150 ℃ of ageing treatment, soaking time 3.5h.Can make dendrite interval and the tiny hypoeutectic al-si alloy of Eutectic Silicon in Al-Si Cast Alloys size, wherein, aluminium dendrite average headway is that 18.4 μ m, Eutectic Silicon in Al-Si Cast Alloys mean sizes are 5 μ m.
The electron scanning micrograph of the A356 hypoeutectic al-si alloy that Fig. 1 makes for present embodiment.Gray area is primary phase α-Al matrix among the figure, and black region is the eutectic aluminum phase, and wherein equally distributed white reticular substance is the Eutectic Silicon in Al-Si Cast Alloys phase, and primary phase aluminium dendrite average headway is 18.4 μ m.The electron scanning micrograph of the A356 hypoeutectic al-si alloy that Fig. 2 makes for present embodiment, black region is the eutectic aluminum phase among the figure, and white portion is the Eutectic Silicon in Al-Si Cast Alloys phase, and its mean sizes is 5 μ m.
Embodiment 3:
The first step, preparation Al-Sb-Y-Mg alterant
Designing the elementary composition of alterant by weight percentage is Al:92%, Sb:5%, Y:2%, Mg:1%.
Alterant composition by design in advance is ready to raw materials such as aluminium ingot, antimony slab, yttrium ingot, magnesium ingot; The aluminium ingot that will account for alterant weight percent 92% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 450 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 2% thereon; Resistance furnace is warming up to 800 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot, magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 5%, 2%, 1% of alterant weight percent respectively, insulation 25min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 15ml/s leads to argon gas from distance melt bottom 15mm, and melt is carried out refining 3min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
Second step, the rotten hypoeutectic al-si alloy of handling of Al-Sb-Y-Mg alterant
Plumbago crucible is placed resistance furnace and with the resistance furnace intensification, during to 550 ℃ A356 hypoeutectic al-si alloy ingot is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for this alloy pig weight percent 2% thereon; Resistance furnace is warming up to 800 ℃ then, makes the A356 alloy pig all after the fusing, adds step 1 Al-Sb-Y-Mg alterant preparation, that account for this alloy pig weight percent 3%, insulation 40min; In insulating process with high purity graphite rod gentle agitation melt so that the Al-Sb-Y-Mg alterant fully fuses and make bath composition even; Then, lead to argon gas from distance melt bottom 15mm, melt is carried out refining 5min with the flow of 10ml/s; Then, melt is poured in the metal type dies that is preheated to 300 ℃.Break the type pickup behind the casting complete 2min and make foundry goods be cooled to room temperature in air, carry out T6 thermal treatment, its concrete technological specification is: 540 ℃ of solution treatment, and insulation 6h, quenchant is a normal-temperature water; 160 ℃ of ageing treatment, soaking time 4h.Can make dendrite interval and the tiny hypoeutectic al-si alloy of Eutectic Silicon in Al-Si Cast Alloys size, wherein, aluminium dendrite average headway is that 32.8 μ m, Eutectic Silicon in Al-Si Cast Alloys mean sizes are 9 μ m.
The electron scanning micrograph of the A356 hypoeutectic al-si alloy that Fig. 3 makes for present embodiment.Black region is the eutectic aluminum phase among the figure, and wherein equally distributed white reticular substance is the Eutectic Silicon in Al-Si Cast Alloys phase, and primary phase aluminium dendrite average headway is 32.8 μ m.The electron scanning micrograph of the A356 hypoeutectic al-si alloy that Fig. 4 makes for present embodiment, black region is the eutectic aluminum phase among the figure, and white portion is the Eutectic Silicon in Al-Si Cast Alloys phase, and its mean sizes is 9 μ m.
Claims (6)
1, a kind of Al-Sb-Y-Mg alterant that is used for hypoeutectic Al-Si alloy, form by weight percentage by following material: aluminium: 82～92%, antimony: 5～15%, yttrium: 1～2%, magnesium: 1～2%, aluminium insulating covering agent: 1～2%.
2, according to the described a kind of Al-Sb-Y-Mg alterant that is used for hypoeutectic Al-Si alloy of claim 1, it is characterized in that: described aluminium insulating covering agent is made of by mass percentage following material: NaCl powder 50%, KCl powder 50%.
3, a kind of manufacture method that is used for the Al-Sb-Y-Mg alterant of hypoeutectic Al-Si alloy is characterized in that:
Alterant composition by design in advance is ready to raw materials such as aluminium ingot, antimony slab, yttrium ingot, magnesium ingot; The aluminium ingot that will account for alterant weight percent 82～92% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 450～550 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 1～2% thereon; Resistance furnace is warming up to 760～800 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot, magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 5～15%, 1～2%, 1～2% of alterant weight percent respectively, insulation 20～30min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 8～20ml/s leads to argon gas from distance melt bottom 8～15mm, and melt is carried out refining 2～5min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
4, according to the described a kind of manufacture method that is used for the Al-Sb-Y-Mg alterant of hypoeutectic Al-Si alloy of claim 3, it is characterized in that: the aluminium ingot that will account for alterant weight percent 82% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 550 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 1% thereon; Resistance furnace is warming up to 760 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot and magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 15%, 1%, 2% of alterant weight percent respectively, insulation 30min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 8ml/s leads to argon gas from distance melt bottom 8mm, and melt is carried out refining 2min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
5, according to the described a kind of manufacture method that is used for the Al-Sb-Y-Mg alterant of hypoeutectic Al-Si alloy of claim 3, it is characterized in that: the aluminium ingot that will account for alterant weight percent 87% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 500 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 1.5% thereon; Resistance furnace is warming up to 780 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot, magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 10%, 2%, 1% of alterant weight percent respectively, insulation 20min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 20ml/s leads to argon gas from distance melt bottom 10mm, and melt is carried out refining 5min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
6, according to the described a kind of manufacture method that is used for the Al-Sb-Y-Mg alterant of hypoeutectic Al-Si alloy of claim 3, it is characterized in that: the aluminium ingot that will account for alterant weight percent 92% when plumbago crucible being placed resistance furnace and resistance furnace being warming up to 450 ℃ is put into plumbago crucible, and dispersive spreads the aluminium insulating covering agent that one deck exsiccant accounts for alterant weight percent 2% thereon; Resistance furnace is warming up to 800 ℃ then, after aluminium ingot all melts, successively join antimony slab, yttrium ingot, magnesium ingot in the molten aluminum liquid, wherein antimony slab, yttrium ingot, magnesium ingot add-on account for 5%, 2%, 1% of alterant weight percent respectively, insulation 25min, in insulating process with high purity graphite rod gentle agitation melt, so that antimony slab, yttrium ingot, magnesium ingot fully fuses and make bath composition even; Then the flow with 15ml/s leads to argon gas from distance melt bottom 15mm, and melt is carried out refining 3min; At last, slagging-off is also poured melt into the metal type dies casting ingot-forming from plumbago crucible, opens mould after being cooled to room temperature, makes the Al-Sb-Y-Mg alterant.
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| CN101871064A (en) * | 2010-07-14 | 2010-10-27 | 哈尔滨工业大学 | Method for rare earth Y modified AlSi7Mg alloy |
| RU2475334C2 (en) * | 2011-06-02 | 2013-02-20 | Учреждение Российской академии наук Институт вычислительного моделирования Сибирского отделения Российской академии наук (ИВМ СО РАН) | Method of making conditioning agent for hypoeutectic aluminium-silicon alloys |
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| RU2757879C1 (en) * | 2021-03-16 | 2021-10-22 | Государственное Научное Учреждение Институт Порошковой Металлургии Имени Академика О.В. Романа | Method for modifying aluminum-silicon alloys |
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| CN101871064A (en) * | 2010-07-14 | 2010-10-27 | 哈尔滨工业大学 | Method for rare earth Y modified AlSi7Mg alloy |
| CN101871064B (en) * | 2010-07-14 | 2011-08-17 | 哈尔滨工业大学 | Method for modifying rare earth Y to AlSi7Mg alloy |
| RU2475334C2 (en) * | 2011-06-02 | 2013-02-20 | Учреждение Российской академии наук Институт вычислительного моделирования Сибирского отделения Российской академии наук (ИВМ СО РАН) | Method of making conditioning agent for hypoeutectic aluminium-silicon alloys |
| RU2528598C1 (en) * | 2013-06-25 | 2014-09-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Самарский государственный технический университет | Production of modifier for aluminium alloys |
| RU2533245C1 (en) * | 2013-06-25 | 2014-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Самарский государственный технический университет | Method of base metal production for aluminium alloys |
| RU2624272C2 (en) * | 2015-11-10 | 2017-07-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Рыбинский государственный авиационный технический университет имени П.А. Соловьева" | Method of manufacturing a modificator for foundry aluminium alloys in the type of a roll with a pressure filled modificator based on nanouglerod |
| CN106498198A (en) * | 2016-10-25 | 2017-03-15 | 河北工业大学 | A kind of composite refining alterant for improving aluminum alloy heat stability and its preparation method and application |
| CN106498198B (en) * | 2016-10-25 | 2017-11-17 | 河北工业大学 | A kind of composite refining alterant for improving aluminum alloy heat stability and its preparation method and application |
| CN107190162A (en) * | 2017-05-18 | 2017-09-22 | 大连理工大学 | Alusil alloy fine degenerate integrated treatment intermediate alloy and preparation method thereof |
| CN108315576A (en) * | 2018-01-12 | 2018-07-24 | 秦皇岛兴龙轮毂有限公司 | A kind of efficient alterant of A356 aluminium alloys and preparation method |
| RU2757879C1 (en) * | 2021-03-16 | 2021-10-22 | Государственное Научное Учреждение Институт Порошковой Металлургии Имени Академика О.В. Романа | Method for modifying aluminum-silicon alloys |
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