Preparation method of aluminum-magnesium-erbium alloy cast ingot

The invention discloses an aluminum-magnesium-erbium alloy cast ingot and a preparation method thereof, and relates to an alloy and a preparation method thereof, which solve the problems of poor corrosion resistance, low intensity, short service life and high cost of the existing LY12 aluminum alloy material. The aluminum-magnesium-erbium alloy cast ingot is prepared from Si, Fe, Cu, Mn, Mg, Zn, Er, Be, Ti and Zr in the following steps: 1, weighing the raw materials; 2, preparing an aluminum alloy melt; and 3, sequentially filtering the aluminum alloy melt with ceramic filter disks of 30 ppi and 50 ppi, then pouring in a crystallizer, and casting into the aluminum-magnesium-erbium alloy cast ingot. The intensity of the aluminum-magnesium-erbium alloy cast ingot is at least 40 MPa higher than that of the LY12 alloy cast ingot, and the corrosion resistance of the aluminum-magnesium-erbium alloy cast ingot is one grade higher than that of the LY12 alloy cast ingot. Besides, compared withthe ...

Preparation method of large-size aluminum alloy ingot

The invention discloses a preparation method of a large-size aluminum alloy ingot, relating to a preparation method of aluminum alloy ingots, and the provided preparation method of a large-size aluminum alloy ingot solves the problem of easy cracking during preparing the large-size aluminum alloy ingots by the traditional aluminum alloy ingot preparation method. The method comprises the following steps of: spreading and scattering a 1# flux at the bottom of a smelting furnace; adding aluminum ingots, electrolytic copper, zinc ingots, aluminum-silicon intermediate alloy, aluminum-iron intermediate alloy, aluminum-manganese intermediate alloy, aluminum-chromium intermediate alloy and aluminum-titanium intermediate alloy into the smelting furnace and spreading and scattering a covering agent; heating to ensure that the materials are smelted, sequentially adding a zirconium composite salt and magnesium ingots as well as smelting and refining to obtain an aluminum alloy melt; filtering the aluminum ...

Preparation method of large-size aluminum alloy ingot

The invention discloses a preparation method of a large-size aluminum alloy ingot, relating to a preparation method of aluminum alloy ingots, and the provided preparation method of a large-size aluminum alloy ingot solves the problem of easy cracking during preparing the large-size aluminum alloy ingots by the traditional aluminum alloy ingot preparation method. The method comprises the following steps of: spreading and scattering a NO. flux at the bottom of a smelting furnace; adding aluminum ingots, electrolytic copper, zinc ingots, aluminum-silicon intermediate alloy, aluminum-iron intermediate alloy, aluminum-manganese intermediate alloy, aluminum-chromium intermediate alloy and aluminum-titanium intermediate alloy into the smelting furnace and spreading and scattering a covering agent; heating to ensure that the materials are smelted, sequentially adding a zirconium composite salt and magnesium ingots as well as smelting and refining to obtain an aluminum alloy melt; filtering the ...

Aluminum-magnesium-erbium alloy cast ingot and preparation method thereof

The invention discloses an aluminum-magnesium-erbium alloy cast ingot and a preparation method thereof, and relates to an alloy and a preparation method thereof, which solve the problems of poor corrosion resistance, low intensity, short service life and high cost of the existing LY12 aluminum alloy material. The aluminum-magnesium-erbium alloy cast ingot is prepared from Si, Fe, Cu, Mn, Mg, Zn, Er, Be, Ti and Zr in the following steps: 1, weighing the raw materials; 2, preparing an aluminum alloy melt; and 3, sequentially filtering the aluminum alloy melt with ceramic filter disks of 30 ppi and 50 ppi, then pouring in a crystallizer, and casting into the aluminum-magnesium-erbium alloy cast ingot. The intensity of the aluminum-magnesium-erbium alloy cast ingot is at least 40 MPa higher than that of the LY12 alloy cast ingot, and the corrosion resistance of the aluminum-magnesium-erbium alloy cast ingot is one grade higher than that of the LY12 alloy cast ingot. Besides, compared with the ...

Manufacturing method of ultrahard aluminium alloy

Superplastic welding experimental device and method by utilizing electric field action

The invention relates to a superplastic welding experimental device which belongs to the technical field of material processing. The superplastic welding experimental device comprises a high-voltage power system, an electric field applying device, a welding heating and temperature control system and a loading and data acquisition system, wherein the high-voltage power system is used for providing stable voltage; the electric field applying device is used for enabling samples or specimens to be welded to be in a uniform and stable electric field with adjustable atmosphere; the welding heating and temperature control system is used for ensuring the samples or the specimens to be at a given welding temperature; and the loading and data acquisition system is used for realizing that the samples or the specimens is loaded in a deformation speed range of 0.02-100mm/min and the full welding process can be automatically detected. By utilizing the invention, real time tracking recording and data ...

High field high-temperature compression test device and method of solid materials

The invention relates to a high field high-temperature compression test device of solid materials, which comprises a stable high-voltage power source system used for providing various types of voltage, an electric field applying device used for making a test sample or test specimen (2) positioned in a uniform stable strong electric field, a heating and temperature control system used for ensuringthe test sample or test specimen at a given temperature, and a loading and data acquiring system which loads the test sample or test specimen within the deformation velocity range of 0.02-100mm/min and can automatically detect the whole process of compression deformation. The invention can test the characteristic of high-temperature compression deformation of the materials in strong electric field environment, and related material shaping and processing technology is developed and seared on the basis, and real-time tracking, recording, data processing and display are carried out to the whole process ...

Multifunctional high-voltage power supply

The invention belongs to the technical field of special power supplies, and discloses a multifunctional high-voltage power supply, which comprises a transformation circuit, a rectifying filter circuit, a safety protection circuit and a detection display circuit, wherein one end of a secondary edge of a set-up transformer (T2) of the transformation circuit is connected with a current meter of the detection display circuit and then is ground, while the other end serves as an alternating current high-voltage output end of the multifunctional high-voltage power supply; and a high-voltage output end of the transformation circuit is connected with a positive electrode of a high-voltage silicon stack (D1) of the rectifying filter circuit and is connected with a negative electrode of a high-voltage silicon stack (D2), the negative electrode of the high-voltage silicon stack (D1) serves as a positive direct current high-voltage output end of the multifunctional high-voltage power supply, and apositive ...

Integrated water tank type crystallizer used for casting 7 series extra super duralumin alloy

The invention provides an integrated water tank type crystallizer used for casting 7 series extra super duralumin alloy, relating to a crystallizer. The invention solves the problem that cast ingot produces cracks caused by stress concentration as the existing crystallizer is not even in water-cooling distribution. The cross section contour of the flat through hole is composed of two arc sections and two straight line sections, each arc section is formed by butt joint of two arcs in different diameters; the lower end face of all the side walls of crystallizer tank body is opened with an annular groove, the lower end face of the annular water feeding hole wall body between the annular groove and the flat through hole is opened with a plurality of osculums in uniform distribution, the lower end of each osculum is inclined toward the central axis of the flat through hole; and four clapboards are respectively arranged at the two ends of the annular groove and divide the annular groove into ...

Multifunctional high-voltage power supply

The invention belongs to the technical field of special power supplies, and discloses a multifunctional high-voltage power supply, which comprises a transformation circuit, a rectifying filter circuit, a safety protection circuit and a detection display circuit, wherein one end of a secondary edge of a set-up transformer (T2) of the transformation circuit is connected with a current meter of the detection display circuit and then is ground, while the other end serves as an alternating current high-voltage output end of the multifunctional high-voltage power supply; and a high-voltage output end of the transformation circuit is connected with a positive electrode of a high-voltage silicon stack (D1) of the rectifying filter circuit and is connected with a negative electrode of a high-voltage silicon stack (D2), the negative electrode of the high-voltage silicon stack (D1) serves as a positive direct current high-voltage output end of the multifunctional high-voltage power supply, and a positive ...

Integrated water tank type crystallizer used for casting 7 series extra super duralumin alloy

The invention provides an integrated water tank type crystallizer used for casting 7 series extra super duralumin alloy, relating to a crystallizer. The invention solves the problem that cast ingot produces cracks caused by stress concentration as the existing crystallizer is not even in water-cooling distribution. The cross section contour of the flat through hole is composed of two arc sectionsand two straight line sections, each arc section is formed by butt joint of two arcs in different diameters; the lower end face of all the side walls of crystallizer tank body is opened with an annular groove, the lower end face of the annular water feeding hole wall body between the annular groove and the flat through hole is opened with a plurality of osculums in uniform distribution, the lowerend of each osculum is inclined toward the central axis of the flat through hole; and four clapboards are respectively arranged at the two ends of the annular groove and divide the annular groove into four ...

Wrinkle preventing control mechanism on inspecting and winding machine

The invention discloses a wrinkle preventing control mechanism on an inspecting and winding machine, comprising an arc tube for tensioning fabric, wherein the cloth bypasses the outer circumferential surface of the arc tube; the arc tube is bent towards one side at which the fabric bypasses. According to the invention, by arranging the arc tube, the fabric cover is straightened at proper tension when the rolled cloth passes through the arc tube, thereby leveling the fabric, removing the wrinkle and allowing the subsequent working procedures to be smoothly carried out.

High field high-temperature compression test device and method of solid materials

The invention relates to a high field high-temperature compression test device of solid materials, which comprises a stable high-voltage power source system used for providing various types of voltage, an electric field applying device used for making a test sample or test specimen (2) positioned in a uniform stable strong electric field, a heating and temperature control system used for ensuring the test sample or test specimen at a given temperature, and a loading and data acquiring system which loads the test sample or test specimen within the deformation velocity range of 0.02-100mm/min and can automatically detect the whole process of compression deformation. The invention can test the characteristic of high-temperature compression deformation of the materials in strong electric field environment, and related material shaping and processing technology is developed and seared on the basis, and real-time tracking, recording, data processing and display are carried out to the whole process ...

Superplastic welding experimental device and method by utilizing electric field action

The invention relates to a superplastic welding experimental device which belongs to the technical field of material processing. The superplastic welding experimental device comprises a high-voltage power system, an electric field applying device, a welding heating and temperature control system and a loading and data acquisition system, wherein the high-voltage power system is used for providingstable voltage; the electric field applying device is used for enabling samples or specimens to be welded to be in a uniform and stable electric field with adjustable atmosphere; the welding heating and temperature control system is used for ensuring the samples or the specimens to be at a given welding temperature; and the loading and data acquisition system is used for realizing that the samples or the specimens is loaded in a deformation speed range of 0.02-100mm/min and the full welding process can be automatically detected. By utilizing the invention, real time tracking recording and data processing ...

Manufacture method of extra super duralumin alloy cast ingots

The invention discloses a manufacture method of extra super duralumin alloy cast ingots, relating to a manufacture method of cast ingots. The invention aims at solving the problem of low yield due to the inner wall crack of the cast ingots manufactured by the existing casting method. The manufacture method of the extra super duralumin alloy cast ingots comprises the following steps: weighting raw materials, feeding the argon to refine after smelting, and manufacturing the extra super duralumin alloy cast ingots through the semi-continuous casting method. By using the casting method disclosed by the invention, the brittlement region of the aluminum alloy cast ingots is reduced, the heating crack resistance of the alloy is enhanced, the casting stress is reduced, and the casting performance of the extra super duralumin alloy is improved. The molding rate of the cast ingot reaches 62.3% and is enhanced by 7.3%, and the yield reaches 74.1% and is enhanced by 11.8% compared with that of the ...