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Device and method for magnetically induced vibration solidification of light alloy melt

A light alloy and melt technology, applied in the field of light alloy melt magneto-vibration solidification devices, can solve the problems of composition segregation, unevenness, coarse grain structure, etc. The effect of refinement

Active Publication Date: 2017-11-03
NORTHEASTERN UNIV LIAONING
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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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  • Device and method for magnetically induced vibration solidification of light alloy melt
  • Device and method for magnetically induced vibration solidification of light alloy melt
  • Device and method for magnetically induced vibration solidification of 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

A device and method for magnetic vibration solidification of light alloy melt, belonging to the technical field of light alloy melt processing. The device for magnetic vibration solidification of light alloy melt includes an induced magnetic field generation system, a vibration system and a cooling system; it may also include a permanent magnetic field system. The method of magnetic vibration solidification of light alloy melt using the above device is as follows: light alloy smelting, preliminary preparation of the device; magnetic vibration treatment; solidification of light alloy melt to obtain light alloy ingots. During the solidification process of light alloy, this method uses a set of magnetic vibration devices with conveniently adjustable vibration intensity and frequency, extends the vibration rod into the alloy melt, and uses the electromagnetic field to cause the vibration rod to vibrate and thereby change the alloy solidification behavior. The device is simple to operate, and the intensity and frequency are convenient and easy to adjust. It can significantly improve the uniformity of the solidification structure of light alloys such as magnesium and aluminum, refine the grains, and greatly improve the metallurgical quality of light alloy ingots.

Description

technical field [0001] The invention belongs to the technical field of light alloy melt processing, in particular to a device and method for magnetically induced vibration solidification of light alloy melt. Background technique [0002] Vibration is a very effective method of altering the solidification behavior of metals. For example, during solidification, the application of mechanical vibration, pneumatic vibration, electromagnetic vibration and ultrasonic vibration, etc., all have an impact on 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. Treating the alloy melt with a reasonable mechanical vibration mechanism has a significant effect on refining grains, suppressing dendrites and suppressing segregat...

Claims

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Application Information

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Patent Type & Authority Patents(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 LIAONING
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