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Magneto-vibration solidification device and method for light alloy melt

A light alloy and melt technology, which is applied in the field of magnetically induced vibration solidification of light alloy melt, can solve the problems of coarse grain structure, unevenness, composition segregation, etc., and achieve grain refinement, small macro segregation, and The effect of increasing the number of nuclei

Active Publication Date: 2017-01-04
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at problems such as composition segregation, coarse and uneven grain structure, which are prone to occur in the solidification process of light alloys such as magnesium and aluminum

Method used

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  • Magneto-vibration solidification device and method for light alloy melt
  • Magneto-vibration solidification device and method for light alloy melt
  • Magneto-vibration solidification device and method for light alloy melt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] A device A for magnetically induced vibratory solidification of a light alloy melt, comprising a vibrating rod, a fixed frame cover 5 and an induced magnetic field generating system 8; the vibrating rod is a stepped rod, and the thin end of the stepped rod passes through the fixed frame cover 5, and the fixed The thin end of the ladder rod on the top of the cover plate 5 is provided with a spring pressing piece 2, and a spring 3 is arranged between the spring pressing piece 2 and the fixed frame cover plate 5; An induction magnetic field generation system 8 is arranged on the outer circumferential side of the upper part of the vibrating rod, and the vibrating rod provides vibration driving force through the induction magnetic field generating system 8 .

[0066] The vibrating rod adopts a split structure, which is divided into an upper vibrating rod 1 and a lower vibrating rod 7 , and the upper vibrating rod 1 and the lower vibrating rod 7 are connected by a threaded str...

Embodiment 2

[0088] A device A for magnetically induced vibratory solidification of a light alloy melt, comprising a vibrating rod, a fixed frame cover 5 and an induced magnetic field generating system 8; the vibrating rod is a stepped rod, and the thin end of the stepped rod passes through the fixed frame cover 5, and the fixed The thin end of the ladder rod on the top of the cover plate 5 is provided with a spring pressing piece 2, and a spring 3 is arranged between the spring pressing piece 2 and the fixed frame cover plate 5; An induction magnetic field generation system 8 is arranged on the outer circumferential side of the upper part of the vibrating rod, and the vibrating rod provides vibration driving force through the induction magnetic field generating system 8 .

[0089] The vibrating rod adopts a split structure, which is divided into an upper vibrating rod 1 and a lower vibrating rod 7, and the upper vibrating rod 1 and the lower vibrating rod 7 are connected by a fixed pin.

...

Embodiment 3

[0108]A device B for magnetically induced vibration solidification of light alloy melts, comprising a vibrating rod, a fixed frame cover plate 5 and an induced magnetic field generating system 8; the vibrating rod is a stepped rod, and the upper end of the vibrating rod is provided with a permanent magnet 14 with a The vibrating bar of 14 is hung on the lower surface of fixed mount cover plate 5.

[0109] The upper end of the vibrating rod with permanent magnet 14 is provided with a flange structure 4, and one end of the permanent magnet 14 of the vibrating rod is fixed on the lower surface of the fixed frame cover plate 5 by bolts, and the vibrating rod of the permanent magnet 14 and the fixed frame cover plate 8 A rubber gasket 13 is arranged between, and the part of the bolt corresponding to the cover plate of the fixed frame is a threaded structure, and the part of the bolt corresponding to the rubber gasket and the vibrating rod is a polished rod.

[0110] An induced magn...

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Abstract

The invention discloses a magneto-vibration solidification device and method for light alloy melt, and belongs to the technical field of treatment of light alloy melt. The magneto-vibration solidification device for light alloy melt comprises an induced magnetic field generation system, a vibration system and a cooling system, and further comprises a permanent magnetic field system. The magneto-vibration solidification method for light alloy melt adopting the device comprises the steps of melting a light alloy, and carrying out early preparation of devices; carrying out magneto-vibration treatment; and solidifying the light alloy melt to obtain light alloy ingots. According to the method and the device, during the solidification process of the light alloy, a magneto-vibration device of which the vibration intensity and frequency are convenient to adjust is adopted, a vibrating rod stretches into the alloy melt, and an electromagnetic field drives the vibrating rod to vibrate to change the solidification action of the alloy; and the device is simple in operation, the intensity and frequency are convenient to adjust, the uniformity of solidification structures of magnesium alloy, aluminium alloy and other light alloys can be remarkably improved, and the metallurgical quality of the light alloy ingots is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of light alloy melt processing, and particularly relates to a device and method for magnetically induced vibration solidification of light alloy melt. Background technique [0002] Vibration is a very effective way to change the solidification behavior of metals. For example, during solidification, the application of mechanical vibration, pneumatic vibration, electromagnetic vibration and ultrasonic vibration will affect the temperature field, flow field, concentration field, nucleation and growth of the alloy during the solidification process. Among them, mechanical vibration has a very significant effect on changing the solidification behavior of metals, and is one of the most commonly used methods in metal vibration solidification. Using a reasonable mechanical vibration mechanism to treat the alloy melt has a significant effect on refining grains, inhibiting dendrites and inhibiting the segregation of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F3/02
CPCC22F3/02
Inventor 乐启炽张志强胡文义柏媛媛宝磊崔建忠
Owner NORTHEASTERN UNIV
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