CN104313412A - Manufacturing method of corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot - Google Patents

Manufacturing method of corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot Download PDF

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Publication number
CN104313412A
CN104313412A CN201410562876.5A CN201410562876A CN104313412A CN 104313412 A CN104313412 A CN 104313412A CN 201410562876 A CN201410562876 A CN 201410562876A CN 104313412 A CN104313412 A CN 104313412A
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casting
wear
alloy
aluminum alloy
resistant
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李欣斌
吕新宇
郑力
刘超
殷云霞
贾宁
姜德俊
武子原
陈雷
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Northeast Light Alloy Co Ltd
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Northeast Light Alloy Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/02Alloys based on aluminium with silicon as the next major constituent
    • C22C21/04Modified aluminium-silicon alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B22D11/003Aluminium alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/026Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/03Making non-ferrous alloys by melting using master alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/06Making non-ferrous alloys with the use of special agents for refining or deoxidising

Abstract

The invention discloses a manufacturing method of a corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot, relates to a manufacturing method of a solid round high-Si aluminum alloy ingot and aims to solve the problem that the corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot cannot be manufactured by using the existing manufacturing method. The manufacturing method comprises the steps of 1, weighing; 2, preparing molten aluminum alloy; 3, adding Al-Be intermediate alloy; 4, casting; and 5, semi-continuously casting to obtain the corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot with the diameter of 482mm. The corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot with the diameter of 482mm has the tensile strength of larger than or equal to 360N/mm<2>, the yield strength of larger than or equal to 290N/mm<2> and the elongation at break of larger than or equal to 2.5%. By using the manufacturing method, the corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot can be obtained.

Description

The manufacture method of a kind of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting
Technical field
The present invention relates to a kind of manufacture method of high Si aluminum alloy solid circle ingot casting.
Background technology
Aluminium alloy has that density is little, specific tenacity advantages of higher, has important using value in a lot of field.Aluminium silicon line aluminium alloy has the good advantage such as anti-corrosion, heat-resisting, wear-resisting, is the alloy material manufacturing engine piston and other heat-resisting part.High Si circle ingot casting is mainly used in processing engine piston, and the raising required product performance along with user, needs ingot casting blank performance also to improve thereupon, is also increasing the pressure of founding factory.The high Si circle ingot casting ingot casting ectonexine temperature difference is large, and casting speed is slow, and melt residence time is long, and the shaping and metallurgical quality of ingot casting is all difficult to guarantee.Therefore, the founding of research large-size aluminum alloy circle ingot casting, meets the need of market, extremely urgent.
Summary of the invention
The object of the invention is to solve existing manufacture method and there is the problem that can not produce corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, and the manufacture method of a kind of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting is provided.
A manufacture method for corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, specifically completes according to the following steps:
One, weighing: by massfraction be 11% ~ 13.5%Si, 0.5% ~ 1.3%Cu, 0.8% ~ 1.3%Mg, 0.5% ~ 1.3%Ni and surplus aluminium takes fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot;
Two, molten aluminium alloy is prepared: fine aluminium ingot step one taken successively, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot are added in gas stove, under temperature is 750 DEG C ~ 800 DEG C and stirring velocity is the condition of 10r/min ~ 20r/min, stirs melt 10min ~ 20min, obtains molten aluminium alloy A;
Three, Al-Be master alloy is added: molten aluminium alloy A step 2 obtained imports in resistance reverberatory furnace, be add Al-Be master alloy under the condition of 750 DEG C ~ 800 DEG C in temperature, low whipping speed is stir melt 10min ~ 20min under the condition of 10r/min ~ 15r/min again, obtains molten aluminium alloy B;
The mass ratio of the Al-Be master alloy described in step 3 and molten aluminium alloy A is (1 ~ 3): 9000;
Four, cast: molten aluminium alloy B step 3 obtained imports in standing furnace, argon gas is passed into again in standing furnace, be refining 10min ~ 20min under the condition of 750 DEG C ~ 800 DEG C in argon gas atmosphere and temperature, leave standstill 10min ~ 30min again, add alterant again, under temperature is 760 DEG C ~ 790 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, carries out stirring 5min ~ 10min, obtains casting melt;
Alterant described in step 4 is NaF, KCl, NaCl and Na 3alF 6mixture; The quality of wherein said NaF is 40% of alterant total mass; The quality of described KCl is 30% of alterant total mass; The quality of described NaCl is 20% of alterant total mass; Described Na 3alF 6quality be 10% of alterant total mass;
The mass ratio of the alterant described in step 4 and molten aluminium alloy B is (4 ~ 8): 1000;
Five, semicontinuous casting: the casting melt that step 4 is obtained temperature be 750 DEG C ~ 790 DEG C, casting speed carries out semicontinuous casting under be 15mm/min ~ 30mm/min and cooling water pressure being the condition of 0.03MPa ~ 0.10MPa, obtains the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting that diameter dimension is 482mm.
Advantage of the present invention:
One, the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid that prepared by the present invention justifies the Fe < 0.3% in ingot casting, all the other single impurity≤0.05%, the scope of all dirt is≤0.15%, and the impurity within the scope of this does not affect the casting of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting prepared by the present invention and metallurgical quality;
Two, the present invention fills up the blank of aluminium silicon system aluminium alloy large gauge circle ingot casting founding; The present invention selects rational founding flow process, by the not same-action of gas furnace, resistance reverberatory furnace, standing furnace three stoves, makes aluminium alloy melt composition more even, melts and cast more efficient; By adding Be element, forming fine and close oxide film at bath surface, reducing the scaling loss of Mg element; By using the outer online degasification of stove, reducing the gas in melt and inclusion, avoiding the generation of inside ingot tissue defects; Use fine aluminium shop fixtures when being started by casting, reduce the tendency of bottom crack of ingot; By the conservative control to the large parameter of castingprocesses medium velocity, temperature and hydraulic pressure three, produce anti-corrosion, heat-resisting, the wear-resisting large gauge height Si aluminum alloy solid circle ingot casting that flawless, internal soundness are qualified, can be applicable to the fields such as national defence, automobile making and boats and ships;
Three, the diameter dimension that prepared by the present invention is the tensile strength>=360N/mm of the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting of 482mm 2, yield strength>=290N/mm 2, elongation at break>=2.5%.
Embodiment one: present embodiment is that the manufacture method of a kind of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting specifically completes according to the following steps:
One, weighing: by massfraction be 11% ~ 13.5%Si, 0.5% ~ 1.3%Cu, 0.8% ~ 1.3%Mg, 0.5% ~ 1.3%Ni and surplus aluminium takes fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot;
Two, molten aluminium alloy is prepared: fine aluminium ingot step one taken successively, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot are added in gas stove, under temperature is 750 DEG C ~ 800 DEG C and stirring velocity is the condition of 10r/min ~ 20r/min, stirs melt 10min ~ 20min, obtains molten aluminium alloy A;
Three, Al-Be master alloy is added: molten aluminium alloy A step 2 obtained imports in resistance reverberatory furnace, be add Al-Be master alloy under the condition of 750 DEG C ~ 800 DEG C in temperature, low whipping speed is stir melt 10min ~ 20min under the condition of 10r/min ~ 15r/min again, obtains molten aluminium alloy B;
The mass ratio of the Al-Be master alloy described in step 3 and molten aluminium alloy A is (1 ~ 3): 9000;
Four, cast: molten aluminium alloy B step 3 obtained imports in standing furnace, argon gas is passed into again in standing furnace, be refining 10min ~ 20min under the condition of 750 DEG C ~ 800 DEG C in argon gas atmosphere and temperature, leave standstill 10min ~ 30min again, add alterant again, under temperature is 760 DEG C ~ 790 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, carries out stirring 5min ~ 10min, obtains casting melt;
Alterant described in step 4 is NaF, KCl, NaCl and Na 3alF 6mixture; The quality of wherein said NaF is 40% of alterant total mass; The quality of described KCl is 30% of alterant total mass; The quality of described NaCl is 20% of alterant total mass; Described Na 3alF 6quality be 10% of alterant total mass;
The mass ratio of the alterant described in step 4 and molten aluminium alloy B is (4 ~ 8): 1000;
Five, semicontinuous casting: the casting melt that step 4 is obtained temperature be 750 DEG C ~ 790 DEG C, casting speed carries out semicontinuous casting under be 15mm/min ~ 30mm/min and cooling water pressure being the condition of 0.03MPa ~ 0.10MPa, obtains the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting that diameter dimension is 482mm.
Adopt fine aluminium shop fixtures before semicontinuous casting in present embodiment step 5, before the casting melt injection crystallizer that step 4 obtains, in crystallizer base and crystallizer, inject liquid fine aluminium, before fine aluminium does not solidify completely, pour into the casting melt that step 4 obtains; Present embodiment adopts the object of fine aluminium shop fixtures to be to prevent bottom crack, this is because fine aluminium plasticity is good, linear contractive quotiety is large, can resist the tensile stress of bottom with effective deformation; The temperature of present embodiment fine aluminium shop fixtures is 700 DEG C ~ 740 DEG C, and the fine aluminium thickness of shop fixtures is not less than 50mm; Shop fixtures aluminium pours in crystallizer, gets oxide inclusion, pours into the casting melt that step 4 obtains when shop fixtures aluminium periphery solidifies 20mm.
Refine equipment on line is used to carry out degasification in the process of semicontinuous casting in present embodiment step 5.
The advantage of present embodiment:
One, the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid that prepared by present embodiment justifies the Fe < 0.3% in ingot casting, all the other single impurity≤0.05%, the scope of all dirt is≤0.15%, and the impurity within the scope of this does not affect the casting of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting prepared by present embodiment and metallurgical quality;
Two, present embodiment fills up the blank of aluminium silicon system aluminium alloy large gauge circle ingot casting founding; Present embodiment selects rational founding flow process, by the not same-action of gas furnace, resistance reverberatory furnace, standing furnace three stoves, makes aluminium alloy melt composition more even, melts and cast more efficient; By adding Be element, forming fine and close oxide film at bath surface, reducing the scaling loss of Mg element; By using the outer online degasification of stove, reducing the gas in melt and inclusion, avoiding the generation of inside ingot tissue defects; Use fine aluminium shop fixtures when being started by casting, reduce the tendency of bottom crack of ingot; By the conservative control to the large parameter of castingprocesses medium velocity, temperature and hydraulic pressure three, produce anti-corrosion, heat-resisting, the wear-resisting large gauge height Si aluminum alloy solid circle ingot casting that flawless, internal soundness are qualified, can be applicable to the fields such as national defence, automobile making and boats and ships;
Three, the diameter dimension that prepared by present embodiment is the tensile strength>=360N/mm of the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting of 482mm 2, yield strength>=290N/mm 2, elongation at break>=2.5%.
Embodiment two: present embodiment and embodiment one difference are: in step one by massfraction be 11.5% ~ 12.5%Si, 0.6% ~ 1.1%Cu, 0.9% ~ 1.2%Mg, 0.6% ~ 1.2%Ni and surplus aluminium takes fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot.Other steps are identical with embodiment one.
Embodiment three: one of present embodiment and embodiment one or two difference is: fine aluminium ingot step one taken successively in step 2, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot are added in gas stove, under temperature is 760 DEG C ~ 800 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, stirs melt 15min ~ 20min, obtains molten aluminium alloy A.Other steps are identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three difference is: molten aluminium alloy A step 2 obtained in step 3 imports in resistance reverberatory furnace, be add Al-Be master alloy under the condition of 760 DEG C ~ 800 DEG C in temperature, low whipping speed is stir melt 15min ~ 20min under the condition of 10r/min ~ 15r/min again, obtains molten aluminium alloy B.Other steps are identical with embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four difference is: molten aluminium alloy B step 3 obtained in step 4 imports in standing furnace, argon gas is passed into again in standing furnace, refining 15min ~ 20min under argon gas atmosphere and temperature are 760 DEG C ~ 800 DEG C conditions, then leave standstill 10min ~ 15min.Other steps are identical with embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five difference is: add alterant again in step 4, under temperature is 760 DEG C ~ 770 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, carries out stirring 5min ~ 10min, obtains casting melt.Other steps are identical with embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six difference is: the temperature of casting melt in step 5 is 760 DEG C ~ 780 DEG C.Other steps are identical with embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven difference is: in step 5, casting speed is 25mm/min ~ 30mm/min.Other steps are identical with embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight difference is: in step 5, cooling water pressure is 0.05MPa ~ 0.10MPa.Other steps are identical with embodiment one to eight.
Embodiment ten: one of present embodiment and embodiment one to nine difference is: adopt automatic temperature control system to control the temperature of semicontinuous casting in step 5, the temperature control precision of automatic temperature control system is ± 5 DEG C.Other steps are identical with embodiment one to nine.
Adopt following verification experimental verification beneficial effect of the present invention:
The manufacture method testing one: a kind of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting specifically completes according to the following steps:
One, weighing: be that 12%Si, 0.95%Cu, 1.0%Mg, 1.0%Ni and surplus aluminium take fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot by massfraction;
Two, molten aluminium alloy is prepared: fine aluminium ingot step one taken successively, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot are added in gas stove, under temperature is 770 DEG C and stirring velocity is the condition of 15r/min, stirs melt 15min, obtains molten aluminium alloy A;
Three, Al-Be master alloy is added: molten aluminium alloy A step 2 obtained imports in resistance reverberatory furnace, be add Al-Be master alloy under the condition of 770 DEG C in temperature, low whipping speed is stir melt 15min under the condition of 15r/min again, obtains molten aluminium alloy B;
The mass ratio of the Al-Be master alloy described in step 3 and molten aluminium alloy A is 2:9000;
Four, cast: molten aluminium alloy B step 3 obtained imports in standing furnace, argon gas is passed into again in standing furnace, refining 15min under argon gas atmosphere and temperature are the condition of 775 DEG C, leave standstill 20min again, add alterant again, under temperature is 780 DEG C and stirring velocity is the condition of 15r/min, carries out stirring 8min, obtains casting melt;
Alterant described in step 4 is NaF, KCl, NaCl and Na 3alF 6mixture; The quality of wherein said NaF is 40% of alterant total mass; The quality of described KCl is 30% of alterant total mass; The quality of described NaCl is 20% of alterant total mass; Described Na 3alF 6quality be 10% of alterant total mass;
The mass ratio of the alterant described in step 4 and molten aluminium alloy B is 6:1000;
Five, semicontinuous casting: the casting melt that step 4 is obtained temperature be 780 DEG C, casting speed carries out semicontinuous casting under be 20mm/min and cooling water pressure being the condition of 0.5MPa, obtains the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting that diameter dimension is 482mm.
Diameter dimension prepared by this test is the tensile strength of the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting of 482mm is 415N/mm 2, yield strength is 396N/mm 2, elongation at break is 2.9%.

Claims (10)

1. a manufacture method for corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, is characterized in that what the manufacture method of a kind of corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting specifically completed according to the following steps:
One, weighing: by massfraction be 11% ~ 13.5%Si, 0.5% ~ 1.3%Cu, 0.8% ~ 1.3%Mg, 0.5% ~ 1.3%Ni and surplus aluminium takes fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot;
Two, molten aluminium alloy is prepared: fine aluminium ingot step one taken successively, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot are added in gas stove, under temperature is 750 DEG C ~ 800 DEG C and stirring velocity is the condition of 10r/min ~ 20r/min, stirs melt 10min ~ 20min, obtains molten aluminium alloy A;
Three, Al-Be master alloy is added: molten aluminium alloy A step 2 obtained imports in resistance reverberatory furnace, be add Al-Be master alloy under the condition of 750 DEG C ~ 800 DEG C in temperature, low whipping speed is stir melt 10min ~ 20min under the condition of 10r/min ~ 15r/min again, obtains molten aluminium alloy B;
The mass ratio of the Al-Be master alloy described in step 3 and molten aluminium alloy A is (1 ~ 3): 9000;
Four, cast: molten aluminium alloy B step 3 obtained imports in standing furnace, argon gas is passed into again in standing furnace, be refining 10min ~ 20min under the condition of 750 DEG C ~ 800 DEG C in argon gas atmosphere and temperature, leave standstill 10min ~ 30min again, add alterant again, under temperature is 760 DEG C ~ 790 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, carries out stirring 5min ~ 10min, obtains casting melt;
Alterant described in step 4 is NaF, KCl, NaCl and Na 3alF 6mixture; The quality of wherein said NaF is 40% of alterant total mass; The quality of described KCl is 30% of alterant total mass; The quality of described NaCl is 20% of alterant total mass; Described Na 3alF 6quality be 10% of alterant total mass;
The mass ratio of the alterant described in step 4 and molten aluminium alloy B is (4 ~ 8): 1000;
Five, semicontinuous casting: the casting melt that step 4 is obtained temperature be 750 DEG C ~ 790 DEG C, casting speed carries out semicontinuous casting under be 15mm/min ~ 30mm/min and cooling water pressure being the condition of 0.03MPa ~ 0.10MPa, obtains the corrosionproof heatproof wear-resisting large gauge height Si aluminum alloy solid circle ingot casting that diameter dimension is 482mm.
2. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, it is characterized in that in step one by massfraction be 11.5% ~ 12.5%Si, 0.6% ~ 1.1%Cu, 0.9% ~ 1.2%Mg, 0.6% ~ 1.2%Ni and surplus aluminium takes fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot.
3. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, it is characterized in that fine aluminium ingot, Al-Si master alloy, Al-Cu master alloy, Al-Ni master alloy and Mg ingot step one taken successively in step 2 is added in gas stove, under temperature is 760 DEG C ~ 800 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, stirs melt 15min ~ 20min, obtains molten aluminium alloy A.
4. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, it is characterized in that molten aluminium alloy A step 2 obtained in step 3 imports in resistance reverberatory furnace, be add Al-Be master alloy under the condition of 760 DEG C ~ 800 DEG C in temperature, low whipping speed is stir melt 15min ~ 20min under the condition of 10r/min ~ 15r/min again, obtains molten aluminium alloy B.
5. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, it is characterized in that molten aluminium alloy B step 3 obtained in step 4 imports in standing furnace, argon gas is passed into again in standing furnace, refining 15min ~ 20min under argon gas atmosphere and temperature are 760 DEG C ~ 800 DEG C conditions, then leave standstill 10min ~ 15min.
6. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, it is characterized in that adding alterant again in step 4, under temperature is 760 DEG C ~ 770 DEG C and stirring velocity is the condition of 10r/min ~ 15r/min, carries out stirring 5min ~ 10min, obtains casting melt.
7. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, the temperature that it is characterized in that casting in step 5 melt is 760 DEG C ~ 780 DEG C.
8. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, is characterized in that in step 5, casting speed is 25mm/min ~ 30mm/min.
9. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, is characterized in that in step 5, cooling water pressure is 0.05MPa ~ 0.10MPa.
10. the manufacture method of a kind of corrosionproof heatproof according to claim 1 wear-resisting large gauge height Si aluminum alloy solid circle ingot casting, it is characterized in that adopting automatic temperature control system to control the temperature of semicontinuous casting in step 5, the temperature control precision of automatic temperature control system is ± 5 DEG C.
CN201410562876.5A 2014-10-21 2014-10-21 Manufacturing method of corrosion-resistant, heat-resistant and wear-resistant large-sized solid round high-Si aluminum alloy ingot Pending CN104313412A (en)

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CN107739917A (en) * 2017-08-30 2018-02-27 宁波华源精特金属制品有限公司 A kind of high intensity sway bar
CN109465410A (en) * 2018-12-21 2019-03-15 西南铝业(集团)有限责任公司 A kind of production technology of high zinc wrought aluminium alloy great circle ingot casting
CN112662919A (en) * 2020-12-18 2021-04-16 广东省科学院智能制造研究所 Al-Si-Cu-Mg-Ni alloy material and preparation method thereof
CN112760533A (en) * 2020-12-23 2021-05-07 西南铝业(集团)有限责任公司 Al-Cu-Mn-Si-Mg alloy oversized ingot and preparation method thereof
CN114231798A (en) * 2021-11-04 2022-03-25 北京航空航天大学宁波创新研究院 High-temperature-resistant wear-resistant aluminum alloy material and preparation method and application thereof
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CN104988369A (en) * 2015-08-13 2015-10-21 东北轻合金有限责任公司 Manufacturing method of high-strength high-tenacity small-size circular high-Zn-content aluminum alloy cast ingots
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Application publication date: 20150128